diff --git a/.vscode/settings.json b/.vscode/settings.json index b8bdd47..03ef9f9 100644 --- a/.vscode/settings.json +++ b/.vscode/settings.json @@ -15,6 +15,52 @@ "iterator": "cpp", "utility": "cpp", "string": "cpp", - "map": "cpp" + "map": "cpp", + "memory": "cpp", + "iostream": "cpp", + "array": "cpp", + "bitset": "cpp", + "functional": "cpp", + "__bit_reference": "cpp", + "__debug": "cpp", + "__functional_base": "cpp", + "__hash_table": "cpp", + "__locale": "cpp", + "__mutex_base": "cpp", + "__split_buffer": "cpp", + "__string": "cpp", + "__threading_support": "cpp", + "__tree": "cpp", + "__tuple": "cpp", + "atomic": "cpp", + "cctype": "cpp", + "chrono": "cpp", + "cmath": "cpp", + "codecvt": "cpp", + "condition_variable": "cpp", + "csignal": "cpp", + "cstdarg": "cpp", + "cstdint": "cpp", + "cstdio": "cpp", + "cstdlib": "cpp", + "cstring": "cpp", + "ctime": "cpp", + "cwchar": "cpp", + "cwctype": "cpp", + "string_view": "cpp", + "iomanip": "cpp", + "ios": "cpp", + "istream": "cpp", + "limits": "cpp", + "locale": "cpp", + "mutex": "cpp", + "ostream": "cpp", + "ratio": "cpp", + "sstream": "cpp", + "streambuf": "cpp", + "system_error": "cpp", + "thread": "cpp", + "tuple": "cpp", + "unordered_map": "cpp" } } \ No newline at end of file diff --git a/Makefile b/Makefile index 7e6abcd..13c0ca9 100644 --- a/Makefile +++ b/Makefile @@ -26,6 +26,12 @@ SOURCE_FILES=$(wildcard $(SRC)/app/*.cpp) \ $(wildcard $(SRC)/devices/opengl/*.cpp) \ $(wildcard $(SRC)/graphic/api/*.cpp) \ $(wildcard $(SRC)/graphic/*.cpp) \ + $(wildcard $(SRC)/ecs/components/*.cpp) \ + $(wildcard $(SRC)/ecs/systems/*.cpp) \ + $(wildcard $(SRC)/ecs/*.cpp) \ + $(wildcard $(SRC)/utils/*.cpp) \ + $(wildcard $(SRC)/events/*.cpp) \ + $(wildcard $(SRC)/events/types/*.cpp) \ $(wildcard $(SRC)/*.cpp) OBJECT_FILES=$(SOURCE_FILES:%.cpp=$(OBJ)/%.o) diff --git a/src/app/application.cpp b/src/app/application.cpp index 92807bf..ce66319 100644 --- a/src/app/application.cpp +++ b/src/app/application.cpp @@ -1,17 +1,77 @@ #include "application.h" +#include "../utils/logger.h" +#include "../events/dispatcher.h" -Application::Application(std::string title): m_Window(title) {} +Application::Application(std::string title): m_Window(title), m_Scene(nullptr), m_Input(nullptr) { + Eng::Utils::Logger::Init(); +} Application::~Application() { delete m_Renderer; + delete m_Scene; } -void Application::Init() { +void Application::Init(void(*inintScene)(Eng::Scene*)) { Graphic::RenderingAPI api = Graphic::RenderingAPI::OpenGL; m_Window.Init(api); Graphic::CreateContext(api); m_Renderer = Graphic::Renderer::Create(api); + m_Scene = new Eng::Scene(); + m_Input = Eng::Input(m_Window.getGlfwWindow()); + + inintScene(m_Scene); + + m_Scene->SetProjection(m_Window.getWidth(), m_Window.getHeight()); +} + +void Application::Run() { + float time = glfwGetTime(); + float lastUpdatedTime = time; + + float lastTime = 0.0f; + float deltaTime = 0.0f; + int framesCnt = 0; + int updatesCnt = 0; + + while(m_Window.isOpen()) { + float currentTime = glfwGetTime(); + float updateTick = 1.0f / 60.0f; + + deltaTime = currentTime - lastTime; + lastTime = currentTime; + + if (currentTime - lastUpdatedTime > updateTick) { + update(deltaTime); + updatesCnt++; + lastUpdatedTime = glfwGetTime(); + } + + render(); + framesCnt++; + + if (currentTime - time > 1.0f) { + LOG_INFO("frames: {}, updates: {}", framesCnt, updatesCnt); + + framesCnt = 0; + updatesCnt = 0; + time = currentTime; + } + } } -void Application::Run() {} +void Application::render() { + m_Renderer->Clear(); + + m_Scene->Render(m_Renderer); + + m_Window.swapBuffers(); + m_Window.pollEvents(); +} + +void Application::update(float deltaTime) { + m_Input.Process(deltaTime); + m_Scene->Update(&m_Input); + + Eng::Events::Dispatcher::ClearEvents(); +} diff --git a/src/app/application.h b/src/app/application.h index b97cec1..99ed7db 100644 --- a/src/app/application.h +++ b/src/app/application.h @@ -4,18 +4,26 @@ #include #include "../graphic/renderer.h" +#include "../scene.h" +#include "../input.h" class Application { private: Window m_Window; Graphic::Renderer *m_Renderer; + Eng::Scene* m_Scene; + Eng::Input m_Input; public: Application(std::string title); ~Application(); - void Init(); + void Init(void(*inintScene)(Eng::Scene*)); void Run(); inline const Window GetWindow() const { return m_Window; } inline Graphic::Renderer* GetRenderer() const { return m_Renderer; } + + private: + void render(); + void update(float deltaTime); }; diff --git a/src/app/window.h b/src/app/window.h index 220ae44..b5c1f84 100644 --- a/src/app/window.h +++ b/src/app/window.h @@ -32,9 +32,7 @@ class Window { return (float)m_Height; } - inline GLFWwindow* getGlfwWindow() const { - return m_Window; - } + inline GLFWwindow* getGlfwWindow() const { return m_Window; } inline bool isInitialized() const { return m_InitSuccess; } }; diff --git a/src/camera.cpp b/src/camera.cpp index fdaf0f8..865ca8f 100644 --- a/src/camera.cpp +++ b/src/camera.cpp @@ -1,20 +1,54 @@ #include - #include "camera.h" +#include "events/dispatcher.h" + +using namespace Eng; Camera::Camera(): m_Position(0.0f, 0.0f, 3.0f), m_ViewDirection(0.0f, 0.0f, -1.0f), m_Up(0.0f, 1.0f, 0.0f), m_Yaw(-90.0f), - m_Pitch(0.0f), - m_MouseSensitivity(0.05f){} + m_Pitch(0.0f) +{ + m_MovementFnPtrs["forward"] = std::bind(&Camera::forward, this, std::placeholders::_1); + m_MovementFnPtrs["backward"] = std::bind(&Camera::backward, this, std::placeholders::_1); + m_MovementFnPtrs["left"] = std::bind(&Camera::left, this, std::placeholders::_1); + m_MovementFnPtrs["right"] = std::bind(&Camera::right, this, std::placeholders::_1); + + Events::Dispatcher::AddEventListener("moveCameraMouse", std::bind(&Camera::OnCameraMouseMove, this, std::placeholders::_1)); + Events::Dispatcher::AddEventListener("moveCameraKeyboard", std::bind(&Camera::OnCameraKeyboardMove, this, std::placeholders::_1)); +} -Camera::~Camera() {} +Camera::~Camera() { + Events::Dispatcher::RemoveEventListener("moveCameraMouse", std::bind(&Camera::OnCameraMouseMove, this, std::placeholders::_1)); + Events::Dispatcher::RemoveEventListener("moveCameraKeyboard", std::bind(&Camera::OnCameraKeyboardMove, this, std::placeholders::_1)); +} -glm::mat4 Camera::getViewMatrix() const { +glm::mat4 Camera::ViewMatrix() const { return glm::lookAt(m_Position, m_Position + m_ViewDirection, m_Up); } +void Camera::OnCameraMouseMove(SharedEvent e) { + auto event = std::static_pointer_cast(e); + processMouseMovement(event->xOffset, event->yOffset, event->sensetivity); + updateCameraVectors(); +} + +void Camera::OnCameraKeyboardMove(SharedEvent e) { + auto event = std::static_pointer_cast(e); + m_MovementFnPtrs[event->direction](event->deltaTime * event->sensetivity); +} + +void Camera::updateCameraVectors() { + glm::vec3 direction; + + direction.x = cos(glm::radians(m_Yaw)) * cos(glm::radians(m_Pitch)); + direction.y = sin(glm::radians(m_Pitch)); + direction.z = sin(glm::radians(m_Yaw)) * cos(glm::radians(m_Pitch)); + + m_ViewDirection = glm::normalize(direction); +} + void Camera::forward(float offset) { m_Position += offset * m_ViewDirection; } @@ -31,28 +65,18 @@ void Camera::right(float offset) { m_Position += glm::normalize(glm::cross(m_ViewDirection, m_Up)) * offset; } -void Camera::processMouseMovement(float xOffset, float yOffset) { - xOffset *= m_MouseSensitivity; - yOffset *= m_MouseSensitivity; +void Camera::processMouseMovement(float xOffset, float yOffset, float mouseSensitivity) { + xOffset *= mouseSensitivity; + yOffset *= mouseSensitivity; m_Yaw += xOffset; m_Pitch += yOffset; - if (m_Pitch > 89.0f) - m_Pitch = 89.0f; - if (m_Pitch < -89.0f) - m_Pitch = -89.0f; + if (m_Pitch > 89.0f) { + m_Pitch = 89.0f; + } - updateCameraVectors(); + if (m_Pitch < -89.0f) { + m_Pitch = -89.0f; + } } - -void Camera::updateCameraVectors() { - glm::vec3 direction; - - direction.x = cos(glm::radians(m_Yaw)) * cos(glm::radians(m_Pitch)); - direction.y = sin(glm::radians(m_Pitch)); - direction.z = sin(glm::radians(m_Yaw)) * cos(glm::radians(m_Pitch)); - - m_ViewDirection = glm::normalize(direction); -} - diff --git a/src/camera.h b/src/camera.h index f473526..9e44826 100644 --- a/src/camera.h +++ b/src/camera.h @@ -1,32 +1,37 @@ #pragma once #include +#include "events/types/move_camera_event.h" +#include -class Camera { - private: - glm::vec3 m_Position; - glm::vec3 m_ViewDirection; - glm::vec3 m_Up; - float m_Yaw; - float m_Pitch; - float m_MouseSensitivity; - - public: - Camera(); - ~Camera(); - glm::mat4 getViewMatrix() const; - - void forward(float offset); - void backward(float offset); - void left(float offset); - void right(float offset); - - void processMouseMovement(float xOffset, float yOffset); - - inline glm::vec3 GetPosition() const { - return m_Position; - } - - private: - void updateCameraVectors(); -}; +namespace Eng { + class Camera { + private: + glm::vec3 m_Position; + glm::vec3 m_ViewDirection; + glm::vec3 m_Up; + float m_Yaw; + float m_Pitch; + + std::map> m_MovementFnPtrs; + + public: + Camera(); + ~Camera(); + glm::mat4 ViewMatrix() const; + + inline glm::vec3 GetPosition() const { return m_Position; } + + void OnCameraMouseMove(SharedEvent event); + void OnCameraKeyboardMove(SharedEvent event); + + private: + void updateCameraVectors(); + + void forward(float offset); + void backward(float offset); + void left(float offset); + void right(float offset); + void processMouseMovement(float xOffset, float yOffset, float mouseSensitivity); + }; +} diff --git a/src/devices/opengl/context.cpp b/src/devices/opengl/context.cpp index 0bc142a..a17744c 100644 --- a/src/devices/opengl/context.cpp +++ b/src/devices/opengl/context.cpp @@ -1,6 +1,7 @@ -#include +#include #include "common.h" #include "context.h" +#include "../../utils/logger.h" using namespace Devices; @@ -9,10 +10,10 @@ GLContext::GLContext() { throw std::runtime_error("Cannot initialize glew for OpenGL"); } - std::cout << "OpenGL version: " << glGetString(GL_VERSION) << std::endl; - std::cout << "GLSL version: " << glGetString(GL_SHADING_LANGUAGE_VERSION) << std::endl; - std::cout << "Vendor: " << glGetString(GL_VENDOR) << std::endl; - std::cout << "Renderer: " << glGetString(GL_RENDERER) << std::endl; + LOG_DEBUG("OpenGL version: {0}", glGetString(GL_VERSION)); + LOG_DEBUG("GLSL version: {0}", glGetString(GL_SHADING_LANGUAGE_VERSION)); + LOG_DEBUG("Vendor: {0}", glGetString(GL_VENDOR)); + LOG_DEBUG("Renderer: {0}", glGetString(GL_RENDERER)); GLCall(glEnable(GL_CULL_FACE)); GLCall(glCullFace(GL_BACK)); diff --git a/src/devices/opengl/renderer.cpp b/src/devices/opengl/renderer.cpp index e8ecdd4..b5faa43 100644 --- a/src/devices/opengl/renderer.cpp +++ b/src/devices/opengl/renderer.cpp @@ -1,5 +1,6 @@ #include "renderer.h" #include "common.h" +#include "./shader.h" using namespace Devices; using namespace OpenGL; @@ -7,7 +8,18 @@ using namespace OpenGL; Renderer::Renderer(){} Renderer::~Renderer(){} -void Renderer::draw(const Graphic::VertexArray *vao, const Graphic::IndexBuffer *ibo, const Graphic::Shader &sh) { +void Renderer::DrawMesh(const Mesh *mesh, Graphic::Shader *sh) { + bindElements(mesh->GetVao(), mesh->GetIbo(), sh); + setTextures(mesh, sh); + + GLCall(glDrawElements(GL_TRIANGLES, mesh->GetIbo()->getCount(), GL_UNSIGNED_INT, nullptr)); +} + +void Renderer::Clear() const { + GLCall(glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)); +} + +void Renderer::bindElements(const Graphic::VertexArray *vao, const Graphic::IndexBuffer *ibo, Graphic::Shader *sh) { if (vao->GetRendererId() != m_VaoId) { vao->Bind(); m_VaoId = vao->GetRendererId(); @@ -18,14 +30,31 @@ void Renderer::draw(const Graphic::VertexArray *vao, const Graphic::IndexBuffer m_IboId = ibo->getRendererId(); } - if (sh.GetId() != m_ShaderId) { - sh.Bind(); - m_ShaderId = sh.GetId(); + if (sh->GetId() != m_ShaderId) { + sh->Bind(); + m_ShaderId = sh->GetId(); } - - GLCall(glDrawElements(GL_TRIANGLES, ibo->getCount(), GL_UNSIGNED_INT, nullptr)); } -void Renderer::clear() const { - GLCall(glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)); +void Renderer::setTextures(const Mesh *mesh, Graphic::Shader *sh) { + std::map textures = mesh->GetTextures(); + auto shader = static_cast(sh); + + if (textures.count("texture_diffuse") == 1) { + textures["texture_diffuse"]->Bind(0); + shader->SetUniform1i("texture_diffuse", 0); + } + + if (textures.count("texture_specular") == 1) { + textures["texture_specular"]->Bind(1); + shader->SetUniform1i("texture_specular", 1); + } + + if (textures.count("texture_normal") == 1) { + textures["texture_normal"]->Bind(2); + shader->SetUniform1i("texture_normal", 2); + } + + shader->SetUniform1f("material.shininess", mesh->m_Materials.shininess); + shader->SetUniform1f("material.specularStrength", mesh->m_Materials.shininessStrength); } diff --git a/src/devices/opengl/renderer.h b/src/devices/opengl/renderer.h index 9114941..900c8ec 100644 --- a/src/devices/opengl/renderer.h +++ b/src/devices/opengl/renderer.h @@ -9,8 +9,12 @@ namespace Devices { Renderer(); ~Renderer(); - void clear() const override; - void draw(const Graphic::VertexArray *vao, const Graphic::IndexBuffer *ibo, const Graphic::Shader &sh) override; + void Clear() const override; + void DrawMesh(const Mesh *mesh, Graphic::Shader *sh) override; + + private: + void bindElements(const Graphic::VertexArray *vao, const Graphic::IndexBuffer *ibo, Graphic::Shader *sh); + void setTextures(const Mesh *mesh, Graphic::Shader *sh); }; } } diff --git a/src/devices/opengl/shader.cpp b/src/devices/opengl/shader.cpp index 73aa8ee..c99974c 100644 --- a/src/devices/opengl/shader.cpp +++ b/src/devices/opengl/shader.cpp @@ -1,6 +1,6 @@ #include "common.h" #include "shader.h" -#include +#include "../../utils/logger.h" using namespace Devices; using namespace OpenGL; @@ -63,8 +63,9 @@ unsigned int Shader::compile(const std::string &source, unsigned int type) { std::string textType = (type == GL_VERTEX_SHADER) ? "vertex" : "fragment"; GLCall(glGetShaderInfoLog(m_RendererId, logLength, &logLength, message)); - std::cout << "Failed to compile " << textType << std::endl; - std::cout << message << std::endl; + LOG_ERROR("Failed to compile {}", textType); + LOG_ERROR(message); + throw std::runtime_error("Failed to compile shader"); } diff --git a/src/devices/opengl/texture_2d.cpp b/src/devices/opengl/texture_2d.cpp index ae4dab4..f0d56ca 100644 --- a/src/devices/opengl/texture_2d.cpp +++ b/src/devices/opengl/texture_2d.cpp @@ -38,4 +38,4 @@ void Texture2D::Bind(unsigned int slot) const { void Texture2D::Unbind() const { GLCall(glBindTexture(GL_TEXTURE_2D, 0)); -} \ No newline at end of file +} diff --git a/src/devices/opengl/utils.cpp b/src/devices/opengl/utils.cpp index 2d73056..eff92a4 100644 --- a/src/devices/opengl/utils.cpp +++ b/src/devices/opengl/utils.cpp @@ -1,5 +1,5 @@ #include "common.h" -#include +#include "../../utils/logger.h" void GLCleanError() { while(glGetError() != GL_NO_ERROR); @@ -7,8 +7,7 @@ void GLCleanError() { bool GLLogError(const char* func, const char* file, int line) { while(GLenum error = glGetError()) { - std::cout << "[OpenGL ERROR]: CODE " << error << " in " << func << " " << file << ":" << line << std::endl; - + LOG_ERROR("[OpenGL ERROR]: CODE {0} in {1} {2}:{3}", error, func, file, line); return true; } diff --git a/src/ecs/components/component.h b/src/ecs/components/component.h new file mode 100644 index 0000000..63ffa42 --- /dev/null +++ b/src/ecs/components/component.h @@ -0,0 +1,22 @@ +#pragma once + +namespace Eng { + namespace ECS { + template class Component { + private: + T *m_Entity; + int m_TypeId{-1}; + + public: + virtual ~Component() = default; + + virtual void Init() {}; + + inline void SetTypeId(int typeId) { m_TypeId = typeId; } + inline int GetTypeId() const { return m_TypeId; } + + inline void SetEntity(T* entity) { m_Entity = entity; } + inline T* GetEntity() const { return m_Entity; } + }; + } +} \ No newline at end of file diff --git a/src/ecs/components/position_component.cpp b/src/ecs/components/position_component.cpp new file mode 100644 index 0000000..d2f70de --- /dev/null +++ b/src/ecs/components/position_component.cpp @@ -0,0 +1,11 @@ +#include "position_component.h" +#include "../../utils/logger.h" + +using namespace Eng; +using namespace ECS; + +PositionComponent::PositionComponent() {} + +PositionComponent::~PositionComponent() { + LOG_DEBUG("PositionComponent with typeId {} from entity {} was deleted", this->GetTypeId(), this->GetEntity()->GetId()); +} diff --git a/src/ecs/components/position_component.h b/src/ecs/components/position_component.h new file mode 100644 index 0000000..8149611 --- /dev/null +++ b/src/ecs/components/position_component.h @@ -0,0 +1,19 @@ +#pragma once + +#include "component.h" +#include "../entity.h" + +namespace Eng { + namespace ECS { + class PositionComponent : public Component { + public: + float m_X{0}; + float m_Y{0}; + float m_Z{0}; + + public: + PositionComponent(); + ~PositionComponent(); + }; + } +} diff --git a/src/ecs/entity.cpp b/src/ecs/entity.cpp new file mode 100644 index 0000000..75ac5d4 --- /dev/null +++ b/src/ecs/entity.cpp @@ -0,0 +1,26 @@ +#include "entity.h" +#include "components/position_component.h" +#include "../utils/logger.h" +#include "systems/movement_system.h" + +using namespace Eng; +using namespace ECS; + +Entity::Entity() { + m_Id = nextId++; +} + +Entity::~Entity() { + if (hasComponent()) { + delete m_Components[getComponentTypeId()]; + } + + MovementSystem::UnsubscribeEntityToMoveByArrows(m_Id); + + LOG_WARN("Check entity delete, need refactor! {}", m_Id); +} + +int Entity::getUniqComponentId() { + static int lastId = 0; + return lastId++; +} diff --git a/src/ecs/entity.h b/src/ecs/entity.h new file mode 100644 index 0000000..4818e2d --- /dev/null +++ b/src/ecs/entity.h @@ -0,0 +1,53 @@ +#pragma once + +#include +#include "components/component.h" +#include + +namespace Eng { + namespace ECS { + static int nextId = 0; + + class Entity { + public: + static const int MAX_COMPONENTS_LENGTH = 2; + + private: + int m_Id; + std::array*, MAX_COMPONENTS_LENGTH> m_Components; + std::bitset m_ComponentsBitset; + + public: + Entity(); + ~Entity(); + + inline int GetId() { return m_Id; } + inline std::array*, MAX_COMPONENTS_LENGTH>& GetComponents() { return m_Components; } + + private: + static int getUniqComponentId(); + + public: + template void AddComponent() { + T* component = new T(); + + m_ComponentsBitset[getComponentTypeId()] = true; + m_Components[getComponentTypeId()] = component; + + component->SetTypeId(getComponentTypeId()); + component->SetEntity(this); + component->Init(); + } + + template int getComponentTypeId() { + static_assert(std::is_base_of, T>::value, "must be Component subtype"); + + static int typeId = getUniqComponentId(); + return typeId; + } + + private: + template inline bool hasComponent() { return m_ComponentsBitset[getComponentTypeId()]; } + }; + } +} diff --git a/src/ecs/manager.cpp b/src/ecs/manager.cpp new file mode 100644 index 0000000..b76f7bc --- /dev/null +++ b/src/ecs/manager.cpp @@ -0,0 +1,29 @@ +#include "manager.h" +#include "../utils/logger.h" + +using namespace Eng; +using namespace ECS; + +Manager::Manager() { + LOG_DEBUG("Entity manager was created"); +} + +Manager::~Manager() { + for(auto const &item : m_Entities) { + delete item.second; + } + + LOG_DEBUG("Entity manager was deleted"); +} + +Entity* Manager::CreateEntity() { + Entity* entity = new Entity(); + m_Entities[entity->GetId()] = entity; + + return entity; +} + +void Manager::RemoveEntity(Entity* entity) { + m_Entities.erase(entity->GetId()); + delete entity; +} diff --git a/src/ecs/manager.h b/src/ecs/manager.h new file mode 100644 index 0000000..3d14638 --- /dev/null +++ b/src/ecs/manager.h @@ -0,0 +1,20 @@ +#pragma once + +#include +#include "entity.h" + +namespace Eng { + namespace ECS { + class Manager { + private: + std::map m_Entities; + + public: + Manager(); + ~Manager(); + + Entity* CreateEntity(); + void RemoveEntity(Entity* entity); + }; + } +} \ No newline at end of file diff --git a/src/ecs/systems/movement_system.cpp b/src/ecs/systems/movement_system.cpp new file mode 100644 index 0000000..106bab8 --- /dev/null +++ b/src/ecs/systems/movement_system.cpp @@ -0,0 +1,62 @@ +#include "movement_system.h" +#include "../../utils/logger.h" + +using namespace Eng; +using namespace ECS; + +MovementSystem::MovementSystem() { + LOG_DEBUG("Position system was created"); + + Events::Dispatcher::AddEventListener("ArrowKeyPressed", std::bind(&MovementSystem::OnArrowKeyPressed, this, std::placeholders::_1)); +} + +MovementSystem::~MovementSystem() { + LOG_DEBUG("Position system was deleted"); + + Events::Dispatcher::RemoveEventListener("ArrowKeyPressed", std::bind(&MovementSystem::OnArrowKeyPressed, this, std::placeholders::_1)); +} + +void MovementSystem::Update() {} + +void MovementSystem::OnArrowKeyPressed(SharedEvent e) { + for(auto &entity : m_Entities) { + auto it = std::find(MovementSystem::m_MoveableEntitiesIds.begin(), MovementSystem::m_MoveableEntitiesIds.end(), entity->GetId()); + if (it == MovementSystem::m_MoveableEntitiesIds.end()) { + continue; + } + + auto components = entity->GetComponents(); + PositionComponent* component = static_cast(components[entity->getComponentTypeId()]); + + auto event = std::static_pointer_cast(e); + + switch(event->GetArrow()) { + case Events::Arrows::left: + component->m_X++; + break; + case Events::Arrows::right: + component->m_X--; + break; + case Events::Arrows::up: + component->m_Z++; + break; + case Events::Arrows::down: + component->m_Z--; + break; + } + } +} + +std::vector MovementSystem::m_MoveableEntitiesIds; + +void MovementSystem::SubscribeEntityToMoveByArrows(int id) { + m_MoveableEntitiesIds.push_back(id); +} + +void MovementSystem::UnsubscribeEntityToMoveByArrows(int id) { + auto it = std::find(m_MoveableEntitiesIds.begin(), m_MoveableEntitiesIds.end(), id); + + if (it != m_MoveableEntitiesIds.end()) { + m_MoveableEntitiesIds.erase(it); + } +} diff --git a/src/ecs/systems/movement_system.h b/src/ecs/systems/movement_system.h new file mode 100644 index 0000000..f4d2f0a --- /dev/null +++ b/src/ecs/systems/movement_system.h @@ -0,0 +1,25 @@ +#pragma once + +#include "system.h" +#include "../components/position_component.h" +#include "../../events/types/arrow_pressed_event.h" +#include "../../events/dispatcher.h" + +namespace Eng { + namespace ECS { + class MovementSystem : public System { + private: + static std::vector m_MoveableEntitiesIds; + + public: + MovementSystem(); + ~MovementSystem(); + + void OnArrowKeyPressed(SharedEvent event); + void Update() override; + + static void SubscribeEntityToMoveByArrows(int id); + static void UnsubscribeEntityToMoveByArrows(int id); + }; + } +} diff --git a/src/ecs/systems/system.cpp b/src/ecs/systems/system.cpp new file mode 100644 index 0000000..699cf8f --- /dev/null +++ b/src/ecs/systems/system.cpp @@ -0,0 +1,8 @@ +#include "system.h" + +using namespace Eng; +using namespace ECS; + +void System::AddEntity(Entity *entity) { + m_Entities.push_back(entity); +} diff --git a/src/ecs/systems/system.h b/src/ecs/systems/system.h new file mode 100644 index 0000000..b222139 --- /dev/null +++ b/src/ecs/systems/system.h @@ -0,0 +1,21 @@ +#pragma once + +#include +#include "../entity.h" + +namespace Eng { + namespace ECS { + class System { + protected: + std::vector m_Entities; + + public: + System() = default; + virtual ~System() = default; + + virtual void Update() = 0; + + void AddEntity(Entity* entity); + }; + } +} diff --git a/src/events/dispatcher.cpp b/src/events/dispatcher.cpp new file mode 100644 index 0000000..5473be1 --- /dev/null +++ b/src/events/dispatcher.cpp @@ -0,0 +1,39 @@ +#include "dispatcher.h" +#include + +using namespace Eng; +using namespace Events; + +std::map>> Dispatcher::m_Handlers; +std::vector Dispatcher::m_Events; + +void Dispatcher::AddEventListener(std::string eventName, std::function fn) { + m_Handlers[eventName].push_back(fn); +} + +void Dispatcher::RemoveEventListener(std::string eventName, std::function fn) { + auto handlers = m_Handlers[eventName]; + + for(int i = 0; i < handlers.size(); i++) { + if (fn.target() == handlers[i].target()) { + handlers.erase(handlers.begin() + i); + } + } + + m_Handlers[eventName] = handlers; +} + +void Dispatcher::Emit(std::string eventName, SharedEvent event) { + auto handlers = m_Handlers[eventName]; + + for(auto &handler : handlers) { + event->SetName(eventName); + handler(event); + } + + Dispatcher::m_Events.push_back(event); +} + +void Dispatcher::ClearEvents() { + m_Events.clear(); +} diff --git a/src/events/dispatcher.h b/src/events/dispatcher.h new file mode 100644 index 0000000..886265e --- /dev/null +++ b/src/events/dispatcher.h @@ -0,0 +1,21 @@ +#pragma once + +#include +#include +#include "event.h" + +namespace Eng { + namespace Events { + class Dispatcher { + private: + static std::map>> m_Handlers; + static std::vector m_Events; + + public: + static void AddEventListener(std::string eventName, std::function fn); + static void RemoveEventListener(std::string eventName, std::function fn); + static void Emit(std::string eventName, SharedEvent event); + static void ClearEvents(); + }; + } +} diff --git a/src/events/event.cpp b/src/events/event.cpp new file mode 100644 index 0000000..59eb56b --- /dev/null +++ b/src/events/event.cpp @@ -0,0 +1,7 @@ +#include "event.h" + +using namespace Eng; +using namespace Events; + +Event::Event() {} +Event::~Event() {} diff --git a/src/events/event.h b/src/events/event.h new file mode 100644 index 0000000..5d20b3d --- /dev/null +++ b/src/events/event.h @@ -0,0 +1,22 @@ +#pragma once + +#include +#include "../utils/logger.h" + +namespace Eng { + namespace Events { + class Event { + private: + std::string m_Name; + + public: + Event(); + ~Event(); + + inline std::string& GetName() { return m_Name; } + inline void SetName(const std::string &name) { m_Name = name; } + }; + } +} + +typedef std::shared_ptr SharedEvent; diff --git a/src/events/types/arrow_pressed_event.cpp b/src/events/types/arrow_pressed_event.cpp new file mode 100644 index 0000000..036c9ad --- /dev/null +++ b/src/events/types/arrow_pressed_event.cpp @@ -0,0 +1,11 @@ +#include "arrow_pressed_event.h" + +using namespace Eng; +using namespace Events; + +ArrowPressedEvent::ArrowPressedEvent(Arrows arrow): m_Arrow(arrow) {} +ArrowPressedEvent::ArrowPressedEvent() {} + +ArrowPressedEvent::~ArrowPressedEvent() { + LOG_TRACE("EVENT {} was deleted", this->GetName()); +} diff --git a/src/events/types/arrow_pressed_event.h b/src/events/types/arrow_pressed_event.h new file mode 100644 index 0000000..39b5936 --- /dev/null +++ b/src/events/types/arrow_pressed_event.h @@ -0,0 +1,20 @@ +#include "../event.h" + +namespace Eng { + namespace Events { + enum class Arrows { left, right, up, down }; + + class ArrowPressedEvent : public Event { + private: + Arrows m_Arrow; + + public: + ArrowPressedEvent(Arrows arrow); + ArrowPressedEvent(); + ~ArrowPressedEvent(); + + inline Arrows GetArrow() { return m_Arrow; } + }; + } +} + diff --git a/src/events/types/move_camera_event.cpp b/src/events/types/move_camera_event.cpp new file mode 100644 index 0000000..45336e6 --- /dev/null +++ b/src/events/types/move_camera_event.cpp @@ -0,0 +1,8 @@ +#include "move_camera_event.h" + +using namespace Eng; +using namespace Events; + +MoveCameraEvent::MoveCameraEvent(float xOffset, float yOffset, float sensitivity): xOffset(xOffset), + yOffset(yOffset), + sensetivity(sensitivity) {} diff --git a/src/events/types/move_camera_event.h b/src/events/types/move_camera_event.h new file mode 100644 index 0000000..6277e3f --- /dev/null +++ b/src/events/types/move_camera_event.h @@ -0,0 +1,18 @@ +#pragma once + +#include "../event.h" + +namespace Eng { + namespace Events { + class MoveCameraEvent : public Event { + public: + float xOffset; + float yOffset; + float sensetivity; + float deltaTime; + std::string direction; + + MoveCameraEvent(float xOffset, float yOffset, float sensetivity); + }; + } +} diff --git a/src/game_object.cpp b/src/game_object.cpp new file mode 100644 index 0000000..0852c39 --- /dev/null +++ b/src/game_object.cpp @@ -0,0 +1,36 @@ +#include "game_object.h" +#include "utils/logger.h" +#include "ecs/components/position_component.h" +#include +#include + +using namespace Eng; + +GameObject::GameObject(const std::string &pathToFile) { + m_Model = new Model(pathToFile); + m_Shader = Graphic::Shader::CreateFromFile("./shaders/model.glsl"); +} + +GameObject::GameObject(const std::string &pathToFile, const std::string &shaderFilePath) { + m_Model = new Model(pathToFile); + m_Shader = Graphic::Shader::CreateFromFile(shaderFilePath); +} + +GameObject::~GameObject() { + delete m_Model; + delete m_Shader; + + LOG_DEBUG("game object was deleted"); +} + +void GameObject::Init() { + m_Model->Load(); + m_Shader->Init(); +} + +glm::mat4 GameObject::GetModelMatrix() { + auto components = m_Entity->GetComponents(); + auto component = static_cast(components[m_Entity->getComponentTypeId()]); + + return glm::translate(glm::mat4(1.0f), glm::vec3(component->m_X, component->m_Y, component->m_Z)); +} diff --git a/src/game_object.h b/src/game_object.h new file mode 100644 index 0000000..9838845 --- /dev/null +++ b/src/game_object.h @@ -0,0 +1,29 @@ +#pragma once +#include "graphic/shader.h" +#include "model.h" +#include "ecs/entity.h" + +namespace Eng { + class GameObject { + private: + Graphic::Shader *m_Shader; + Model *m_Model; + ECS::Entity* m_Entity; + + public: + GameObject(const std::string &pathToFile); + GameObject(const std::string &pathToFile, const std::string &shaderFilePath); + ~GameObject(); + + void Init(); + + glm::mat4 GetModelMatrix(); + + inline Model* GetModel() const { return m_Model; } + inline Graphic::Shader* GetShader() const { return m_Shader; } + inline void SetEntity(ECS::Entity* entity) { m_Entity = entity; } + inline ECS::Entity* GetEntity() const { return m_Entity; } + }; +} + +typedef std::shared_ptr ShGameObject; diff --git a/src/graphic/renderer.h b/src/graphic/renderer.h index b5641fd..499e211 100644 --- a/src/graphic/renderer.h +++ b/src/graphic/renderer.h @@ -4,6 +4,7 @@ #include "api/index_buffer.h" #include "shader.h" #include "api/rendering_context.h" +#include "../mesh.h" namespace Graphic { class Renderer { @@ -14,9 +15,9 @@ namespace Graphic { public: virtual ~Renderer() = default; + virtual void Clear() const = 0; - virtual void clear() const = 0; - virtual void draw(const VertexArray *vao, const IndexBuffer *ibo, const Shader &sh) = 0; + virtual void DrawMesh(const Mesh *mesh, Shader *sh) = 0; static Renderer* Create(RenderingAPI api); }; diff --git a/src/input.cpp b/src/input.cpp new file mode 100644 index 0000000..ac34bd8 --- /dev/null +++ b/src/input.cpp @@ -0,0 +1,97 @@ +#include "input.h" +#include "events/types/arrow_pressed_event.h" +#include "events/types/move_camera_event.h" +#include "events/dispatcher.h" + +using namespace Eng; + +Input::Input(GLFWwindow *window): m_Window(window), m_IsFirstMouse(true), + m_MouseSensitivity(0.05f), + m_OriginMoveSensitivity(5.0f) +{ + m_MoveSensitivity = m_OriginMoveSensitivity; + + m_MoveDirectionsKeys[GLFW_KEY_A] = "left"; + m_MoveDirectionsKeys[GLFW_KEY_D] = "right"; + m_MoveDirectionsKeys[GLFW_KEY_S] = "backward"; + m_MoveDirectionsKeys[GLFW_KEY_W] = "forward"; +} + +Input::~Input() {} + +void Input::Process(float deltaTime) { + m_DeltaTime = deltaTime; + + processKeyboard(); + processMouse(); + dispatchEvents(); +} + +void Input::processMouse() { + double xpos, ypos; + glfwGetCursorPos(m_Window, &xpos, &ypos); + + if (m_IsFirstMouse) { + m_IsFirstMouse = false; + m_XCoursor = xpos; + m_YCoursor = ypos; + } + + m_XCoursorOffset = xpos - m_XCoursor; + m_YCoursorOffset = ypos - m_YCoursor; + + m_XCoursor = xpos; + m_YCoursor = ypos; +} + +void Input::processKeyboard() { + m_Keys.clear(); + + for(int key = GLFW_KEY_SPACE; key <= GLFW_KEY_Z; key++) { + if (glfwGetKey(m_Window, key) == GLFW_PRESS) { + m_Keys[key] = key; + } + } + + if (glfwGetKey(m_Window, GLFW_KEY_LEFT_SHIFT) == GLFW_PRESS) { + m_MoveSensitivity = m_OriginMoveSensitivity * 5; + } else { + m_MoveSensitivity = m_OriginMoveSensitivity; + } +} + +void Input::dispatchEvents() { + if (m_XCoursorOffset != 0 || m_YCoursorOffset != 0) { + auto moveCameraMouseEvent = std::make_shared(m_XCoursorOffset, m_YCoursorOffset, m_MouseSensitivity); + Eng::Events::Dispatcher::Emit("moveCameraMouse", moveCameraMouseEvent); + } + + for(int key = GLFW_KEY_RIGHT; key <= GLFW_KEY_UP; key++) { + std::string eventName = "ArrowKeyPressed"; + + if (glfwGetKey(m_Window, GLFW_KEY_LEFT) == GLFW_PRESS) + Events::Dispatcher::Emit(eventName, std::make_shared(Events::Arrows::left)); + + if (glfwGetKey(m_Window, GLFW_KEY_RIGHT) == GLFW_PRESS) + Events::Dispatcher::Emit(eventName, std::make_shared(Events::Arrows::right)); + + if (glfwGetKey(m_Window, GLFW_KEY_UP) == GLFW_PRESS) + Events::Dispatcher::Emit(eventName, std::make_shared(Events::Arrows::up)); + + if (glfwGetKey(m_Window, GLFW_KEY_DOWN) == GLFW_PRESS) + Events::Dispatcher::Emit(eventName, std::make_shared(Events::Arrows::down)); + } + + for(auto const &item : m_MoveDirectionsKeys) { + if (glfwGetKey(m_Window, item.first) == GLFW_PRESS) { + auto moveCameraKeyboardEvent = std::make_shared(0, 0, m_MoveSensitivity); + moveCameraKeyboardEvent->direction = item.second; + moveCameraKeyboardEvent->deltaTime = m_DeltaTime; + Events::Dispatcher::Emit("moveCameraKeyboard", moveCameraKeyboardEvent); + } + } + + if (glfwGetKey(m_Window, GLFW_KEY_BACKSPACE) == GLFW_PRESS) { + Events::Dispatcher::Emit("popLastGameObject", std::make_shared()); + } +} diff --git a/src/input.h b/src/input.h new file mode 100644 index 0000000..9166fbb --- /dev/null +++ b/src/input.h @@ -0,0 +1,39 @@ +#pragma once + +#include "app/window.h" +#include + +namespace Eng { + class Input { + private: + GLFWwindow *m_Window; + float m_DeltaTime; + double m_XCoursor; + double m_YCoursor; + double m_XCoursorOffset; + double m_YCoursorOffset; + bool m_IsFirstMouse; + float m_MouseSensitivity; + float m_MoveSensitivity; + float m_OriginMoveSensitivity; + std::map m_Keys; + std::map m_MoveDirectionsKeys; + + public: + Input(GLFWwindow *window); + ~Input(); + + void Process(float deltaTime); + + inline const float DeltaTime() const { return m_DeltaTime; } + inline const double GetXOffset() const { return m_XCoursorOffset; } + inline const double GetYOffset() const { return m_YCoursorOffset; } + inline const float GetMoveSensitivity() const { return m_MoveSensitivity; } + inline const float GetMouseSensitivity() const { return m_MouseSensitivity; } + + private: + void processMouse(); + void processKeyboard(); + void dispatchEvents(); + }; +} diff --git a/src/loaders/assimp_loader.cpp b/src/loaders/assimp_loader.cpp index e028ec9..87dd867 100644 --- a/src/loaders/assimp_loader.cpp +++ b/src/loaders/assimp_loader.cpp @@ -1,5 +1,5 @@ #include "assimp_loader.h" -#include +#include "../utils/logger.h" AssimpLoader::AssimpLoader(std::string pathToFile, std::string directory) { m_PathToFile = pathToFile; @@ -20,7 +20,7 @@ void AssimpLoader::Load() { ); if (!scene || scene->mFlags & AI_SCENE_FLAGS_INCOMPLETE || !scene->mRootNode) { - std::cout << "ERROR::ASSIMP::" << importer.GetErrorString() << std::endl; + LOG_ERROR("ERROR::ASSIMP::{}", importer.GetErrorString()); return; } @@ -100,7 +100,7 @@ void AssimpLoader::processMesh(const aiMesh* mesh, const aiScene *scene) { m_Textures.push_back(textures); m_Materials.push_back(this->processMaterials(material)); - std::cout << "vertices number: " << mesh->mNumVertices << ", indexes: " << indexes.size() << std::endl; + LOG_DEBUG("vertices number: {}, indexes: {}", mesh->mNumVertices, indexes.size()); } bool AssimpLoader::loadTexture(const aiMaterial *material, aiTextureType type, std::string typeName, std::map &textures, unsigned int slot) { diff --git a/src/main.cpp b/src/main.cpp index 6860cc2..4e9f8bf 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -1,238 +1,27 @@ -#include -#include -#include -#include -#include -#include - #include "app/application.h" -#include "graphic/renderer.h" -#include "graphic/shader.h" - -#include "graphic/api/texture.h" -#include "camera.h" -#include "model.h" +#include "game_object.h" +#include "scene.h" +#include "ecs/systems/movement_system.h" -static void processInput(GLFWwindow* window, Camera &camera, float deltaTime); -static void mouseCallback(GLFWwindow* window, double xpos, double ypos); -static glm::vec3 rotateAroundPoint(float angle, float radius, const glm::vec3 &position); +static void initScene(Eng::Scene *scene) { + ShGameObject chel = std::make_shared("chel.Obj", "shaders/simple.glsl"); + ShGameObject muroChel = std::make_shared("Old_Man/muro.obj", "shaders/model.glsl"); + ShGameObject home = std::make_shared("house_2/WoodenCabinObj.obj", "shaders/model.glsl"); -struct MousePositions { - double lastX; - double lastY; - bool isFirstMouse; -}; + scene->AddGameObject(chel); + scene->AddGameObject(muroChel); + scene->AddGameObject(home); -MousePositions mousePositions; -Camera camera; + Eng::ECS::MovementSystem::SubscribeEntityToMoveByArrows(muroChel->GetEntity()->GetId()); +} -int main() { - // TODO: check intitialization errors +int main() +{ Application app("Engine"); - app.Init(); - - Window window = app.GetWindow(); - - glfwSetCursorPosCallback(window.getGlfwWindow(), mouseCallback); - - mousePositions.lastX = window.getWidth() / 2.0f; - mousePositions.lastY = window.getHeight() / 2.0f; - mousePositions.isFirstMouse = true; - - Graphic::Renderer* renderer = app.GetRenderer(); - - // ************************************************************************* - - float lastTime = 0.0f; - float deltaTime = 0.0f; - - Graphic::Shader *modelShader = Graphic::Shader::CreateFromFile("./shaders/model.glsl"); - Graphic::Shader *lightSourceShader = Graphic::Shader::CreateFromFile("./shaders/light_source.glsl"); - - modelShader->Init(); - lightSourceShader->Init(); - - Graphic::Shader *shaders[] = { lightSourceShader, modelShader, modelShader }; - - Model *sphere = new Model("./sphere.obj"); - Model *house = new Model("./house_2/WoodenCabinObj.obj"); - Model *man = new Model("./Old_Man/muro.obj"); - - house->Load(); - sphere->Load(); - man->Load(); - - std::size_t modelsNumber = 3; - Model *models = new Model[modelsNumber]; - - models[0] = *sphere; - models[1] = *house; - models[2] = *man; - - glm::vec3 lightPosition = glm::vec3(0.0f, 7.0f, -15.0f); - glm::vec3 lightColor = glm::vec3(1.0f, 1.0f, 1.0f); - - glm::vec3 positions[] = { - lightPosition, - glm::vec3(0.0f, -13.5f, -15.0f), - glm::vec3(6.0f, -7.5f, -12.0f), - }; - - glm::vec3 scales[] = { - glm::vec3(2.0f), - glm::vec3(1.0f), - glm::vec3(0.1f), - }; - - glm::mat4 projection = glm::perspective(glm::radians(45.0f), window.getWidth() / window.getHeight(), 1.0f, 1000.0f); - - modelShader->Bind(); - modelShader->SetUniformMatrix4fv("u_Projection", glm::value_ptr(projection)); - modelShader->SetUniform3f("u_LightColor", lightColor.x, lightColor.y, lightColor.z); - - lightSourceShader->Bind(); - lightSourceShader->SetUniform3f("u_LightColor", lightColor.x, lightColor.y, lightColor.z); - lightSourceShader->SetUniformMatrix4fv("u_Projection", glm::value_ptr(projection)); - - unsigned int activeShaderId; - - /* Loop until the user closes the window */ - while (window.isOpen()) { - float currentTime = glfwGetTime(); - deltaTime = currentTime - lastTime; - lastTime = currentTime; - unsigned int drawCallsCnt = 0; - - /* Render here */ - renderer->clear(); - - processInput(window.getGlfwWindow(), camera, deltaTime); - - glm::mat4 view = camera.getViewMatrix(); - glm::vec3 cameraPosition = camera.GetPosition(); - - for (unsigned int i = 0; i < 2; i++) { - Graphic::Shader *shader = shaders[i]; - - shader->Bind(); - shader->SetUniform3f("u_CameraPosition", cameraPosition.x, cameraPosition.y, cameraPosition.z); - shader->SetUniform3f("u_LightPosition", lightPosition.x, lightPosition.y, lightPosition.z); - } - - for (unsigned int i = 0; i < modelsNumber; i++) { - Graphic::Shader *shaderPr = shaders[i]; - - glm::mat4 modelMat(1.0f); + app.Init(initScene); - if (i == 0) { - glm::vec3 position = rotateAroundPoint(currentTime, 15, positions[i]); - lightPosition = position; - - modelMat = glm::translate(glm::mat4(1.0f), position); - } else { - modelMat = glm::translate(glm::mat4(1.0f), positions[i]); - modelMat = glm::scale(modelMat, scales[i]); - } - - if (activeShaderId != shaderPr->GetId()) { - shaderPr->Bind(); - activeShaderId = shaderPr->GetId(); - } - - shaderPr->SetUniformMatrix4fv("u_View", glm::value_ptr(view)); - shaderPr->SetUniformMatrix4fv("u_Model", glm::value_ptr(modelMat)); - - for(unsigned int j = 0; j < models[i].getMeshes().size(); j++) { - drawCallsCnt++; - - if (i > 0) { - Mesh *mesh = models[i].getMeshes()[j]; - std::map textures = mesh->GetTextures(); - - if (textures.count("texture_diffuse") == 1) { - textures["texture_diffuse"]->Bind(0); - shaderPr->SetUniform1i("texture_diffuse", 0); - } - - if (textures.count("texture_specular") == 1) { - textures["texture_specular"]->Bind(1); - shaderPr->SetUniform1i("texture_specular", 1); - } - - if (textures.count("texture_normal") == 1) { - textures["texture_normal"]->Bind(2); - shaderPr->SetUniform1i("texture_normal", 2); - } - - shaderPr->SetUniform1f("material.shininess", mesh->m_Materials.shininess); - shaderPr->SetUniform1f("material.specularStrength", mesh->m_Materials.shininessStrength); - } - - renderer->draw(models[i].getMeshes()[j]->GetVao(), models[i].getMeshes()[j]->GetIbo(), *shaderPr); - } - } - - /* Swap front and back buffers */ - window.swapBuffers(); - - /* Poll for and process events */ - window.pollEvents(); - - std::cout << "Time: " << deltaTime * 1000 << " ms, draw calls: " << drawCallsCnt << std::endl; - } - - delete modelShader; - delete lightSourceShader; - - delete sphere; - delete house; - delete man; + app.Run(); + /* code */ return 0; } - -static glm::vec3 rotateAroundPoint(float angle, float radius, const glm::vec3 &position) { - glm::vec3 result(1.0f, 1.0f, 1.0f); - - result.x = position.x + cos(angle) * radius; - result.y = position.y; - result.z = position.z + sin(angle) * radius; - - return result; -} - -static void mouseCallback(GLFWwindow* window, double xpos, double ypos) { - if (mousePositions.isFirstMouse) { - mousePositions.lastX = xpos; - mousePositions.lastY = ypos; - mousePositions.isFirstMouse = false; - } - - float xoffset = xpos - mousePositions.lastX; - float yoffset = ypos - mousePositions.lastY; - - mousePositions.lastX = xpos; - mousePositions.lastY = ypos; - - camera.processMouseMovement(xoffset, yoffset); -} - -static void processInput(GLFWwindow* window, Camera &camera, float deltaTime) { - float offset = 5.0f * deltaTime; - - if (glfwGetKey(window, GLFW_KEY_W) == GLFW_PRESS) { - camera.forward(offset); - } - - if (glfwGetKey(window, GLFW_KEY_S) == GLFW_PRESS) { - camera.backward(offset); - } - - if (glfwGetKey(window, GLFW_KEY_A) == GLFW_PRESS) { - camera.left(offset); - } - - if (glfwGetKey(window, GLFW_KEY_D) == GLFW_PRESS) { - camera.right(offset); - } -} diff --git a/src/mesh.cpp b/src/mesh.cpp index f631746..e8b512d 100644 --- a/src/mesh.cpp +++ b/src/mesh.cpp @@ -1,5 +1,5 @@ #include "mesh.h" -#include +#include "utils/logger.h" Mesh::Mesh(std::vector vertices, std::vector indices, std::map textures): m_Vertices(vertices), @@ -14,7 +14,7 @@ Mesh::Mesh(std::vector vertices, std::vector indices, std: Mesh::~Mesh() { for (std::map::iterator it = m_Textures.begin(); it != m_Textures.end(); it++) { - std::cout << "Delete texture " << it->second->GetRendererId() << std::endl; + LOG_DEBUG("Delete texture {}", it->second->GetRendererId()); delete it->second; } diff --git a/src/model.cpp b/src/model.cpp index 57a68c9..2d1ecf0 100644 --- a/src/model.cpp +++ b/src/model.cpp @@ -1,39 +1,10 @@ #include "model.h" #include "loaders/assimp_loader.h" -#include - -std::ostream& operator<<(std::ostream& os, const Mesh &m) { - os << "Indexes size: " << m.m_Indices.size() << std::endl; - os << "Vertexes size: " << m.m_Vertices.size() << std::endl; - - os << "Indexes array: {" << std::endl; - - for (unsigned int i = 0; i < m.m_Indices.size(); i++) { - os << " " << m.m_Indices[i] << ", "; - } - - os << "\n}" << std::endl; - os << "Vetexes: {" << std::endl; - - for (unsigned int i = 0; i < m.m_Vertices.size(); i++) { - os << " " << m.m_Vertices[i].Position.x << ", " - << m.m_Vertices[i].Position.y << ", " - << m.m_Vertices[i].Position.z << ", " - << m.m_Vertices[i].Normal.x << ", " - << m.m_Vertices[i].Normal.y << ", " - << m.m_Vertices[i].Normal.z; - - os << std::endl; - } - - os << "}" << std::endl; - - return os; -} +#include "utils/logger.h" Model::Model() {} -Model::Model(const std::string pathToFile): m_PathToFile(pathToFile) { +Model::Model(const std::string &pathToFile): m_PathToFile(pathToFile) { m_Directory = pathToFile.substr(0, pathToFile.find_last_of('/')); m_Loader = new AssimpLoader(pathToFile, m_Directory); } @@ -41,7 +12,7 @@ Model::Model(const std::string pathToFile): m_PathToFile(pathToFile) { Model::~Model() { delete m_Loader; - std::cout << "Delete model " << m_PathToFile << std::endl; + LOG_DEBUG("Delete model {}", m_PathToFile); for (unsigned int i = 0; i < m_Meshes.size(); i++) { delete m_Meshes[i]; @@ -64,6 +35,6 @@ void Model::Load() { m_Meshes.push_back(mesh); } - std::cout << "Model has " << m_Meshes.size() << " meshses" << std::endl; + LOG_DEBUG("Model has {} meshses", m_Meshes.size()); } diff --git a/src/model.h b/src/model.h index 3860bda..7fbad05 100644 --- a/src/model.h +++ b/src/model.h @@ -9,7 +9,7 @@ class Model { public: Model(); - Model(const std::string pathToFile); + Model(const std::string &pathToFile); ~Model(); private: diff --git a/src/scene.cpp b/src/scene.cpp new file mode 100644 index 0000000..9e4e4d8 --- /dev/null +++ b/src/scene.cpp @@ -0,0 +1,77 @@ +#include "scene.h" +#include "ecs/components/position_component.h" +#include +#include +#include "ecs/systems/movement_system.h" +#include "events/dispatcher.h" + +using namespace Eng; + +Scene::Scene() { + m_Systems.push_back(new ECS::MovementSystem()); + + Events::Dispatcher::AddEventListener("popLastGameObject", std::bind(&Scene::PopGameObject, this)); +} + +Scene::~Scene() { + for (auto const &system : m_Systems) { + delete system; + } + + Events::Dispatcher::RemoveEventListener("popLastGameObject", std::bind(&Scene::PopGameObject, this)); +} + +void Scene::AddGameObject(ShGameObject gameObject) { + gameObject->Init(); + m_GameObjects.push_back(gameObject); + + ECS::Entity* entity = m_EntitieManager.CreateEntity(); + entity->AddComponent(); + + for (auto const &system : m_Systems) { + system->AddEntity(entity); + } + + gameObject->SetEntity(entity); +} + +void Scene::Render(Graphic::Renderer *renderer) { + for(ShGameObject gameObject : m_GameObjects) { + Model *model = gameObject->GetModel(); + Graphic::Shader *shader = gameObject->GetShader(); + + for(Mesh *mesh : model->getMeshes()) { + renderer->DrawMesh(mesh, shader); + } + } +} + +void Scene::Update(const Input* input) { + std::map> gameObjectsShadersMap; + for(ShGameObject gameObject : m_GameObjects) { + gameObjectsShadersMap[gameObject->GetShader()].push_back(gameObject); + } + + for(auto const &item : gameObjectsShadersMap) { + Graphic::Shader *shader = item.first; + glm::mat4 view = m_Camera.ViewMatrix(); + + shader->Bind(); + shader->SetUniformMatrix4fv("u_Projection", glm::value_ptr(m_Projection)); + shader->SetUniformMatrix4fv("u_View", glm::value_ptr(view)); + + for(ShGameObject gameObject : item.second) { + glm::mat4 modelMatrix = gameObject->GetModelMatrix(); + shader->SetUniformMatrix4fv("u_Model", glm::value_ptr(modelMatrix)); + } + } +} + +void Scene::SetProjection(float width, float height) { + m_Projection = glm::perspective(glm::radians(45.0f), width / height, 1.0f, 1000.0f); +} + +void Scene::PopGameObject() { + m_EntitieManager.RemoveEntity(m_GameObjects[0]->GetEntity()); + m_GameObjects.erase(m_GameObjects.begin()); +} diff --git a/src/scene.h b/src/scene.h new file mode 100644 index 0000000..5831862 --- /dev/null +++ b/src/scene.h @@ -0,0 +1,30 @@ +#pragma once + +#include "game_object.h" +#include "camera.h" +#include "graphic/renderer.h" +#include "input.h" +#include "ecs/manager.h" +#include "ecs/systems/system.h" + +namespace Eng { + class Scene { + private: + Camera m_Camera; + std::vector m_GameObjects; + glm::mat4 m_Projection; + Eng::ECS::Manager m_EntitieManager; + std::vector m_Systems; + + public: + Scene(); + ~Scene(); + + void AddGameObject(ShGameObject gameObject); + void Render(Graphic::Renderer *renderer); + + void Update(const Input* input); + void SetProjection(float width, float height); + void PopGameObject(); + }; +} diff --git a/src/shaders/fragment_light_source.glsl b/src/shaders/fragment_light_source.glsl index aea719f..69859ee 100644 --- a/src/shaders/fragment_light_source.glsl +++ b/src/shaders/fragment_light_source.glsl @@ -5,5 +5,6 @@ out vec4 outColor; uniform vec3 u_LightColor; void main() { - outColor = vec4(u_LightColor, 1.0f); + // outColor = vec4(u_LightColor, 1.0f); + outColor = vec4(1.0f, 1.0f, 1.0f, 1.0f); } diff --git a/src/shaders/fragment_model.glsl b/src/shaders/fragment_model.glsl index fb6b5c0..75da3c1 100644 --- a/src/shaders/fragment_model.glsl +++ b/src/shaders/fragment_model.glsl @@ -22,6 +22,30 @@ uniform sampler2D texture_normal; uniform Material material; +vec3 _colorDetector(float red, float green, float blue); +vec3 diffusedColor(); +vec3 lightColor(); + +vec3 diffusedColor() { + return _colorDetector( + texture(texture_diffuse, v_TexCoords).r, + texture(texture_diffuse, v_TexCoords).g, + texture(texture_diffuse, v_TexCoords).b + ); +} + +vec3 lightColor() { + return _colorDetector(u_LightColor.r, u_LightColor.g, u_LightColor.b); +} + +vec3 _colorDetector(float red, float green, float blue) { + if (red > 0 || green > 0 || blue > 0) { + return vec3(red, green, blue); + } + + return vec3(1.0f, 1.0f, 1.0f); +} + void main() { vec3 unitNormal = texture(texture_normal, v_TexCoords).rgb; @@ -29,14 +53,13 @@ void main() // ambient light float ambientStength = 0.1f; - vec3 ambientLight = u_LightColor * ambientStength * texture(texture_diffuse, v_TexCoords).rgb; + vec3 ambientLight = lightColor() * ambientStength * diffusedColor(); // diffused light vec3 unitLightVector = normalize(ts.toLightVector); float dotProduct = dot(unitNormal, unitLightVector); float brightness = max(dotProduct, 0.0f); - - vec3 diffuseLight = brightness * u_LightColor * texture(texture_diffuse, v_TexCoords).rgb; + vec3 diffuseLight = brightness * lightColor() * diffusedColor(); // specular ligth float damperFactor = 0.0f; diff --git a/src/shaders/fragment_simple.glsl b/src/shaders/fragment_simple.glsl new file mode 100644 index 0000000..257acb6 --- /dev/null +++ b/src/shaders/fragment_simple.glsl @@ -0,0 +1,7 @@ +#version 330 core + +out vec4 outColor; + +void main() { + outColor = vec4(0.5f, 0.2f, 0.8f, 1.0f); +} diff --git a/src/shaders/vertex_simple.glsl b/src/shaders/vertex_simple.glsl new file mode 100644 index 0000000..73a26eb --- /dev/null +++ b/src/shaders/vertex_simple.glsl @@ -0,0 +1,11 @@ +#version 330 core + +layout(location = 0) in vec3 position; + +uniform mat4 u_Projection; +uniform mat4 u_View; +uniform mat4 u_Model; + +void main() { + gl_Position = u_Projection * u_View * u_Model * vec4(position, 1.0); +} diff --git a/src/utils/logger.cpp b/src/utils/logger.cpp new file mode 100644 index 0000000..5177f1f --- /dev/null +++ b/src/utils/logger.cpp @@ -0,0 +1,12 @@ +#include "logger.h" + +using namespace Eng; +using namespace Utils; + +std::shared_ptr Logger::m_SpdLogger; + +void Logger::Init() { + m_SpdLogger = spdlog::stdout_color_mt("CORE"); + m_SpdLogger->set_pattern("[%H:%M:%S %z] [%n] [%^---%L---%$] [thread %t] %v"); + m_SpdLogger->set_level(spdlog::level::trace); +} diff --git a/src/utils/logger.h b/src/utils/logger.h new file mode 100644 index 0000000..000c823 --- /dev/null +++ b/src/utils/logger.h @@ -0,0 +1,24 @@ +#pragma once + +#include "spdlog/spdlog.h" +#include "spdlog/sinks/stdout_color_sinks.h" + +namespace Eng { + namespace Utils { + class Logger { + public: + static std::shared_ptr m_SpdLogger; + + public: + inline static std::shared_ptr GetLogger() { return m_SpdLogger; } + + static void Init(); + }; + } +} + +#define LOG_TRACE(...) Eng::Utils::Logger::GetLogger()->trace(__VA_ARGS__) +#define LOG_DEBUG(...) Eng::Utils::Logger::GetLogger()->debug(__VA_ARGS__) +#define LOG_INFO(...) Eng::Utils::Logger::GetLogger()->info(__VA_ARGS__) +#define LOG_WARN(...) Eng::Utils::Logger::GetLogger()->warn(__VA_ARGS__) +#define LOG_ERROR(...) Eng::Utils::Logger::GetLogger()->error(__VA_ARGS__) diff --git a/vendors/spdlog/async.h b/vendors/spdlog/async.h new file mode 100755 index 0000000..971becd --- /dev/null +++ b/vendors/spdlog/async.h @@ -0,0 +1,87 @@ + +// +// Copyright(c) 2018 Gabi Melman. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) +// + +#pragma once + +// +// Async logging using global thread pool +// All loggers created here share same global thread pool. +// Each log message is pushed to a queue along withe a shared pointer to the +// logger. +// If a logger deleted while having pending messages in the queue, it's actual +// destruction will defer +// until all its messages are processed by the thread pool. +// This is because each message in the queue holds a shared_ptr to the +// originating logger. + +#include "spdlog/async_logger.h" +#include "spdlog/details/registry.h" +#include "spdlog/details/thread_pool.h" + +#include +#include + +namespace spdlog { + +namespace details { +static const size_t default_async_q_size = 8192; +} + +// async logger factory - creates async loggers backed with thread pool. +// if a global thread pool doesn't already exist, create it with default queue +// size of 8192 items and single thread. +template +struct async_factory_impl +{ + template + static std::shared_ptr create(std::string logger_name, SinkArgs &&... args) + { + auto ®istry_inst = details::registry::instance(); + + // create global thread pool if not already exists.. + std::lock_guard tp_lock(registry_inst.tp_mutex()); + auto tp = registry_inst.get_tp(); + if (tp == nullptr) + { + tp = std::make_shared(details::default_async_q_size, 1); + registry_inst.set_tp(tp); + } + + auto sink = std::make_shared(std::forward(args)...); + auto new_logger = std::make_shared(std::move(logger_name), std::move(sink), std::move(tp), OverflowPolicy); + registry_inst.initialize_logger(new_logger); + return new_logger; + } +}; + +using async_factory = async_factory_impl; +using async_factory_nonblock = async_factory_impl; + +template +inline std::shared_ptr create_async(std::string logger_name, SinkArgs &&... sink_args) +{ + return async_factory::create(std::move(logger_name), std::forward(sink_args)...); +} + +template +inline std::shared_ptr create_async_nb(std::string logger_name, SinkArgs &&... sink_args) +{ + return async_factory_nonblock::create(std::move(logger_name), std::forward(sink_args)...); +} + +// set global thread pool. +inline void init_thread_pool(size_t q_size, size_t thread_count) +{ + auto tp = std::make_shared(q_size, thread_count); + details::registry::instance().set_tp(std::move(tp)); +} + +// get the global thread pool. +inline std::shared_ptr thread_pool() +{ + return details::registry::instance().get_tp(); +} +} // namespace spdlog diff --git a/vendors/spdlog/async_logger.h b/vendors/spdlog/async_logger.h new file mode 100755 index 0000000..a7ecb78 --- /dev/null +++ b/vendors/spdlog/async_logger.h @@ -0,0 +1,73 @@ +// +// Copyright(c) 2015 Gabi Melman. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) +// + +#pragma once + +// Very fast asynchronous logger (millions of logs per second on an average +// desktop) +// Uses pre allocated lockfree queue for maximum throughput even under large +// number of threads. +// Creates a single back thread to pop messages from the queue and log them. +// +// Upon each log write the logger: +// 1. Checks if its log level is enough to log the message +// 2. Push a new copy of the message to a queue (or block the caller until +// space is available in the queue) +// 3. will throw spdlog_ex upon log exceptions +// Upon destruction, logs all remaining messages in the queue before +// destructing.. + +#include "spdlog/common.h" +#include "spdlog/logger.h" + +#include +#include +#include + +namespace spdlog { + +// Async overflow policy - block by default. +enum class async_overflow_policy +{ + block, // Block until message can be enqueued + overrun_oldest // Discard oldest message in the queue if full when trying to + // add new item. +}; + +namespace details { +class thread_pool; +} + +class async_logger final : public std::enable_shared_from_this, public logger +{ + friend class details::thread_pool; + +public: + template + async_logger(std::string logger_name, It begin, It end, std::weak_ptr tp, + async_overflow_policy overflow_policy = async_overflow_policy::block); + + async_logger(std::string logger_name, sinks_init_list sinks_list, std::weak_ptr tp, + async_overflow_policy overflow_policy = async_overflow_policy::block); + + async_logger(std::string logger_name, sink_ptr single_sink, std::weak_ptr tp, + async_overflow_policy overflow_policy = async_overflow_policy::block); + + std::shared_ptr clone(std::string new_name) override; + +protected: + void sink_it_(details::log_msg &msg) override; + void flush_() override; + + void backend_log_(const details::log_msg &incoming_log_msg); + void backend_flush_(); + +private: + std::weak_ptr thread_pool_; + async_overflow_policy overflow_policy_; +}; +} // namespace spdlog + +#include "details/async_logger_impl.h" diff --git a/vendors/spdlog/common.h b/vendors/spdlog/common.h new file mode 100755 index 0000000..d066e90 --- /dev/null +++ b/vendors/spdlog/common.h @@ -0,0 +1,237 @@ +// +// Copyright(c) 2015 Gabi Melman. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) +// + +#pragma once + +#include "spdlog/tweakme.h" + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#if defined(SPDLOG_WCHAR_FILENAMES) || defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) +#include +#include +#endif + +#include "spdlog/details/null_mutex.h" + +#include "spdlog/fmt/fmt.h" + +// visual studio upto 2013 does not support noexcept nor constexpr +#if defined(_MSC_VER) && (_MSC_VER < 1900) +#define SPDLOG_NOEXCEPT throw() +#define SPDLOG_CONSTEXPR +#else +#define SPDLOG_NOEXCEPT noexcept +#define SPDLOG_CONSTEXPR constexpr +#endif + +#if defined(__GNUC__) || defined(__clang__) +#define SPDLOG_DEPRECATED __attribute__((deprecated)) +#elif defined(_MSC_VER) +#define SPDLOG_DEPRECATED __declspec(deprecated) +#else +#define SPDLOG_DEPRECATED +#endif + +// disable thread local on msvc 2013 +#ifndef SPDLOG_NO_TLS +#if (defined(_MSC_VER) && (_MSC_VER < 1900)) +#define SPDLOG_NO_TLS 1 +#endif +#endif + + +// Get the basename of __FILE__ (at compile time if possible) +#if FMT_HAS_FEATURE(__builtin_strrchr) +#define SPDLOG_STRRCHR(str, sep) __builtin_strrchr(str, sep) +#else +#define SPDLOG_STRRCHR(str, sep) strrchr(str, sep) +#endif //__builtin_strrchr not defined + +#ifdef _WIN32 +#define SPDLOG_FILE_BASENAME(file) SPDLOG_STRRCHR("\\" file, '\\') + 1 +#else +#define SPDLOG_FILE_BASENAME(file) SPDLOG_STRRCHR("/" file, '/') + 1 +#endif + +namespace spdlog { + +class formatter; + +namespace sinks { +class sink; +} + +using log_clock = std::chrono::system_clock; +using sink_ptr = std::shared_ptr; +using sinks_init_list = std::initializer_list; +using log_err_handler = std::function; + +// string_view type - either std::string_view or fmt::string_view (pre c++17) +#if defined(FMT_USE_STD_STRING_VIEW) +using string_view_t = std::string_view; +#else +using string_view_t = fmt::string_view; +#endif + +#if defined(SPDLOG_NO_ATOMIC_LEVELS) +using level_t = details::null_atomic_int; +#else +using level_t = std::atomic; +#endif + +#define SPDLOG_LEVEL_TRACE 0 +#define SPDLOG_LEVEL_DEBUG 1 +#define SPDLOG_LEVEL_INFO 2 +#define SPDLOG_LEVEL_WARN 3 +#define SPDLOG_LEVEL_ERROR 4 +#define SPDLOG_LEVEL_CRITICAL 5 +#define SPDLOG_LEVEL_OFF 6 + +#if !defined(SPDLOG_ACTIVE_LEVEL) +#define SPDLOG_ACTIVE_LEVEL SPDLOG_LEVEL_INFO +#endif + +// Log level enum +namespace level { +enum level_enum +{ + trace = SPDLOG_LEVEL_TRACE, + debug = SPDLOG_LEVEL_DEBUG, + info = SPDLOG_LEVEL_INFO, + warn = SPDLOG_LEVEL_WARN, + err = SPDLOG_LEVEL_ERROR, + critical = SPDLOG_LEVEL_CRITICAL, + off = SPDLOG_LEVEL_OFF, +}; + +#if !defined(SPDLOG_LEVEL_NAMES) +#define SPDLOG_LEVEL_NAMES \ + { \ + "trace", "debug", "info", "warning", "error", "critical", "off" \ + } +#endif + +static string_view_t level_string_views[] SPDLOG_LEVEL_NAMES; +static const char *short_level_names[]{"T", "D", "I", "W", "E", "C", "O"}; + +inline string_view_t &to_string_view(spdlog::level::level_enum l) SPDLOG_NOEXCEPT +{ + return level_string_views[l]; +} + +inline const char *to_short_c_str(spdlog::level::level_enum l) SPDLOG_NOEXCEPT +{ + return short_level_names[l]; +} + +inline spdlog::level::level_enum from_str(const std::string &name) SPDLOG_NOEXCEPT +{ + int level = 0; + for (const auto &level_str : level_string_views) + { + if (level_str == name) + { + return static_cast(level); + } + level++; + } + return level::off; +} + +using level_hasher = std::hash; +} // namespace level + +// +// Pattern time - specific time getting to use for pattern_formatter. +// local time by default +// +enum class pattern_time_type +{ + local, // log localtime + utc // log utc +}; + +// +// Log exception +// +class spdlog_ex : public std::exception +{ +public: + explicit spdlog_ex(std::string msg) + : msg_(std::move(msg)) + { + } + + spdlog_ex(const std::string &msg, int last_errno) + { + fmt::memory_buffer outbuf; + fmt::format_system_error(outbuf, last_errno, msg); + msg_ = fmt::to_string(outbuf); + } + + const char *what() const SPDLOG_NOEXCEPT override + { + return msg_.c_str(); + } + +private: + std::string msg_; +}; + +// +// wchar support for windows file names (SPDLOG_WCHAR_FILENAMES must be defined) +// +#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES) +using filename_t = std::wstring; +#else +using filename_t = std::string; +#endif + +struct source_loc +{ + SPDLOG_CONSTEXPR source_loc() + : filename{""} + , line{0} + { + } + SPDLOG_CONSTEXPR source_loc(const char *filename, int line) + : filename{filename} + , line{static_cast(line)} + { + } + + SPDLOG_CONSTEXPR bool empty() const SPDLOG_NOEXCEPT + { + return line == 0; + } + const char *filename; + uint32_t line; +}; + +namespace details { +// make_unique support for pre c++14 + +#if __cplusplus >= 201402L // C++14 and beyond +using std::make_unique; +#else +template +std::unique_ptr make_unique(Args &&... args) +{ + static_assert(!std::is_array::value, "arrays not supported"); + return std::unique_ptr(new T(std::forward(args)...)); +} +#endif +} // namespace details +} // namespace spdlog diff --git a/vendors/spdlog/details/async_logger_impl.h b/vendors/spdlog/details/async_logger_impl.h new file mode 100755 index 0000000..aafcae6 --- /dev/null +++ b/vendors/spdlog/details/async_logger_impl.h @@ -0,0 +1,110 @@ +// +// Copyright(c) 2015 Gabi Melman. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) +// + +#pragma once + +// async logger implementation +// uses a thread pool to perform the actual logging + +#include "spdlog/details/thread_pool.h" + +#include +#include +#include + +template +inline spdlog::async_logger::async_logger( + std::string logger_name, It begin, It end, std::weak_ptr tp, async_overflow_policy overflow_policy) + : logger(std::move(logger_name), begin, end) + , thread_pool_(std::move(tp)) + , overflow_policy_(overflow_policy) +{ +} + +inline spdlog::async_logger::async_logger( + std::string logger_name, sinks_init_list sinks_list, std::weak_ptr tp, async_overflow_policy overflow_policy) + : async_logger(std::move(logger_name), sinks_list.begin(), sinks_list.end(), std::move(tp), overflow_policy) +{ +} + +inline spdlog::async_logger::async_logger( + std::string logger_name, sink_ptr single_sink, std::weak_ptr tp, async_overflow_policy overflow_policy) + : async_logger(std::move(logger_name), {std::move(single_sink)}, std::move(tp), overflow_policy) +{ +} + +// send the log message to the thread pool +inline void spdlog::async_logger::sink_it_(details::log_msg &msg) +{ +#if defined(SPDLOG_ENABLE_MESSAGE_COUNTER) + incr_msg_counter_(msg); +#endif + if (auto pool_ptr = thread_pool_.lock()) + { + pool_ptr->post_log(shared_from_this(), msg, overflow_policy_); + } + else + { + throw spdlog_ex("async log: thread pool doesn't exist anymore"); + } +} + +// send flush request to the thread pool +inline void spdlog::async_logger::flush_() +{ + if (auto pool_ptr = thread_pool_.lock()) + { + pool_ptr->post_flush(shared_from_this(), overflow_policy_); + } + else + { + throw spdlog_ex("async flush: thread pool doesn't exist anymore"); + } +} + +// +// backend functions - called from the thread pool to do the actual job +// +inline void spdlog::async_logger::backend_log_(const details::log_msg &incoming_log_msg) +{ + try + { + for (auto &s : sinks_) + { + if (s->should_log(incoming_log_msg.level)) + { + s->log(incoming_log_msg); + } + } + } + SPDLOG_CATCH_AND_HANDLE + + if (should_flush_(incoming_log_msg)) + { + backend_flush_(); + } +} + +inline void spdlog::async_logger::backend_flush_() +{ + try + { + for (auto &sink : sinks_) + { + sink->flush(); + } + } + SPDLOG_CATCH_AND_HANDLE +} + +inline std::shared_ptr spdlog::async_logger::clone(std::string new_name) +{ + auto cloned = std::make_shared(std::move(new_name), sinks_.begin(), sinks_.end(), thread_pool_, overflow_policy_); + + cloned->set_level(this->level()); + cloned->flush_on(this->flush_level()); + cloned->set_error_handler(this->error_handler()); + return std::move(cloned); +} diff --git a/vendors/spdlog/details/circular_q.h b/vendors/spdlog/details/circular_q.h new file mode 100755 index 0000000..b01325b --- /dev/null +++ b/vendors/spdlog/details/circular_q.h @@ -0,0 +1,72 @@ +// +// Copyright(c) 2018 Gabi Melman. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) +// + +// cirucal q view of std::vector. +#pragma once + +#include + +namespace spdlog { +namespace details { +template +class circular_q +{ +public: + using item_type = T; + + explicit circular_q(size_t max_items) + : max_items_(max_items + 1) // one item is reserved as marker for full q + , v_(max_items_) + { + } + + // push back, overrun (oldest) item if no room left + void push_back(T &&item) + { + v_[tail_] = std::move(item); + tail_ = (tail_ + 1) % max_items_; + + if (tail_ == head_) // overrun last item if full + { + head_ = (head_ + 1) % max_items_; + ++overrun_counter_; + } + } + + // Pop item from front. + // If there are no elements in the container, the behavior is undefined. + void pop_front(T &popped_item) + { + popped_item = std::move(v_[head_]); + head_ = (head_ + 1) % max_items_; + } + + bool empty() + { + return tail_ == head_; + } + + bool full() + { + // head is ahead of the tail by 1 + return ((tail_ + 1) % max_items_) == head_; + } + + size_t overrun_counter() const + { + return overrun_counter_; + } + +private: + size_t max_items_; + typename std::vector::size_type head_ = 0; + typename std::vector::size_type tail_ = 0; + + std::vector v_; + + size_t overrun_counter_ = 0; +}; +} // namespace details +} // namespace spdlog diff --git a/vendors/spdlog/details/console_globals.h b/vendors/spdlog/details/console_globals.h new file mode 100755 index 0000000..e2afb6b --- /dev/null +++ b/vendors/spdlog/details/console_globals.h @@ -0,0 +1,74 @@ +#pragma once +// +// Copyright(c) 2018 Gabi Melman. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) +// + +#include "spdlog/details/null_mutex.h" +#include +#include + +#ifdef _WIN32 + +#ifndef NOMINMAX +#define NOMINMAX // prevent windows redefining min/max +#endif + +#ifndef WIN32_LEAN_AND_MEAN +#define WIN32_LEAN_AND_MEAN +#endif + +#include +#endif + +namespace spdlog { +namespace details { +struct console_stdout +{ + static std::FILE *stream() + { + return stdout; + } +#ifdef _WIN32 + static HANDLE handle() + { + return ::GetStdHandle(STD_OUTPUT_HANDLE); + } +#endif +}; + +struct console_stderr +{ + static std::FILE *stream() + { + return stderr; + } +#ifdef _WIN32 + static HANDLE handle() + { + return ::GetStdHandle(STD_ERROR_HANDLE); + } +#endif +}; + +struct console_mutex +{ + using mutex_t = std::mutex; + static mutex_t &mutex() + { + static mutex_t s_mutex; + return s_mutex; + } +}; + +struct console_nullmutex +{ + using mutex_t = null_mutex; + static mutex_t &mutex() + { + static mutex_t s_mutex; + return s_mutex; + } +}; +} // namespace details +} // namespace spdlog diff --git a/vendors/spdlog/details/file_helper.h b/vendors/spdlog/details/file_helper.h new file mode 100755 index 0000000..f728200 --- /dev/null +++ b/vendors/spdlog/details/file_helper.h @@ -0,0 +1,152 @@ +// +// Copyright(c) 2015 Gabi Melman. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) +// + +#pragma once + +// Helper class for file sinks. +// When failing to open a file, retry several times(5) with a delay interval(10 ms). +// Throw spdlog_ex exception on errors. + +#include "spdlog/details/log_msg.h" +#include "spdlog/details/os.h" + +#include +#include +#include +#include +#include +#include + +namespace spdlog { +namespace details { + +class file_helper +{ + +public: + const int open_tries = 5; + const int open_interval = 10; + + explicit file_helper() = default; + + file_helper(const file_helper &) = delete; + file_helper &operator=(const file_helper &) = delete; + + ~file_helper() + { + close(); + } + + void open(const filename_t &fname, bool truncate = false) + { + close(); + auto *mode = truncate ? SPDLOG_FILENAME_T("wb") : SPDLOG_FILENAME_T("ab"); + _filename = fname; + for (int tries = 0; tries < open_tries; ++tries) + { + if (!os::fopen_s(&fd_, fname, mode)) + { + return; + } + + details::os::sleep_for_millis(open_interval); + } + + throw spdlog_ex("Failed opening file " + os::filename_to_str(_filename) + " for writing", errno); + } + + void reopen(bool truncate) + { + if (_filename.empty()) + { + throw spdlog_ex("Failed re opening file - was not opened before"); + } + open(_filename, truncate); + } + + void flush() + { + std::fflush(fd_); + } + + void close() + { + if (fd_ != nullptr) + { + std::fclose(fd_); + fd_ = nullptr; + } + } + + void write(const fmt::memory_buffer &buf) + { + size_t msg_size = buf.size(); + auto data = buf.data(); + if (std::fwrite(data, 1, msg_size, fd_) != msg_size) + { + throw spdlog_ex("Failed writing to file " + os::filename_to_str(_filename), errno); + } + } + + size_t size() const + { + if (fd_ == nullptr) + { + throw spdlog_ex("Cannot use size() on closed file " + os::filename_to_str(_filename)); + } + return os::filesize(fd_); + } + + const filename_t &filename() const + { + return _filename; + } + + static bool file_exists(const filename_t &fname) + { + return os::file_exists(fname); + } + + // + // return file path and its extension: + // + // "mylog.txt" => ("mylog", ".txt") + // "mylog" => ("mylog", "") + // "mylog." => ("mylog.", "") + // "/dir1/dir2/mylog.txt" => ("/dir1/dir2/mylog", ".txt") + // + // the starting dot in filenames is ignored (hidden files): + // + // ".mylog" => (".mylog". "") + // "my_folder/.mylog" => ("my_folder/.mylog", "") + // "my_folder/.mylog.txt" => ("my_folder/.mylog", ".txt") + static std::tuple split_by_extenstion(const spdlog::filename_t &fname) + { + auto ext_index = fname.rfind('.'); + + // no valid extension found - return whole path and empty string as + // extension + if (ext_index == filename_t::npos || ext_index == 0 || ext_index == fname.size() - 1) + { + return std::make_tuple(fname, spdlog::filename_t()); + } + + // treat casese like "/etc/rc.d/somelogfile or "/abc/.hiddenfile" + auto folder_index = fname.rfind(details::os::folder_sep); + if (folder_index != filename_t::npos && folder_index >= ext_index - 1) + { + return std::make_tuple(fname, spdlog::filename_t()); + } + + // finally - return a valid base and extension tuple + return std::make_tuple(fname.substr(0, ext_index), fname.substr(ext_index)); + } + +private: + std::FILE *fd_{nullptr}; + filename_t _filename; +}; +} // namespace details +} // namespace spdlog diff --git a/vendors/spdlog/details/fmt_helper.h b/vendors/spdlog/details/fmt_helper.h new file mode 100755 index 0000000..6f0f6bc --- /dev/null +++ b/vendors/spdlog/details/fmt_helper.h @@ -0,0 +1,122 @@ +// +// Created by gabi on 6/15/18. +// + +#pragma once + +#include +#include +#include "spdlog/fmt/fmt.h" + +// Some fmt helpers to efficiently format and pad ints and strings +namespace spdlog { +namespace details { +namespace fmt_helper { + +template +inline spdlog::string_view_t to_string_view(const fmt::basic_memory_buffer &buf) SPDLOG_NOEXCEPT +{ + return spdlog::string_view_t(buf.data(), buf.size()); +} + +template +inline void append_buf(const fmt::basic_memory_buffer &buf, fmt::basic_memory_buffer &dest) +{ + auto *buf_ptr = buf.data(); + dest.append(buf_ptr, buf_ptr + buf.size()); +} + +template +inline void append_string_view(spdlog::string_view_t view, fmt::basic_memory_buffer &dest) +{ + auto *buf_ptr = view.data(); + if (buf_ptr != nullptr) + { + dest.append(buf_ptr, buf_ptr + view.size()); + } +} + +template +inline void append_int(T n, fmt::basic_memory_buffer &dest) +{ + fmt::format_int i(n); + dest.append(i.data(), i.data() + i.size()); +} + +template +inline unsigned count_digits(T n) +{ + using count_type = typename std::conditional<(sizeof(T) > sizeof(uint32_t)), uint64_t, uint32_t>::type; + return fmt::internal::count_digits(static_cast(n)); +} + +template +inline void pad2(int n, fmt::basic_memory_buffer &dest) +{ + if (n > 99) + { + append_int(n, dest); + } + else if (n > 9) // 10-99 + { + dest.push_back(static_cast('0' + n / 10)); + dest.push_back(static_cast('0' + n % 10)); + } + else if (n >= 0) // 0-9 + { + dest.push_back('0'); + dest.push_back(static_cast('0' + n)); + } + else // negatives (unlikely, but just in case, let fmt deal with it) + { + fmt::format_to(dest, "{:02}", n); + } +} + +template +inline void pad_uint(T n, unsigned int width, fmt::basic_memory_buffer &dest) +{ + static_assert(std::is_unsigned::value, "pad_uint must get unsigned T"); + auto digits = count_digits(n); + if (width > digits) + { + const char *zeroes = "0000000000000000000"; + dest.append(zeroes, zeroes + width - digits); + } + append_int(n, dest); +} + +template +inline void pad3(T n, fmt::basic_memory_buffer &dest) +{ + pad_uint(n, 3, dest); +} + +template +inline void pad6(T n, fmt::basic_memory_buffer &dest) +{ + pad_uint(n, 6, dest); +} + +template +inline void pad9(T n, fmt::basic_memory_buffer &dest) +{ + pad_uint(n, 9, dest); +} + +// return fraction of a second of the given time_point. +// e.g. +// fraction(tp) -> will return the millis part of the second +template +inline ToDuration time_fraction(const log_clock::time_point &tp) +{ + using std::chrono::duration_cast; + using std::chrono::seconds; + auto duration = tp.time_since_epoch(); + auto secs = duration_cast(duration); + return duration_cast(duration) - duration_cast(secs); +} + +} // namespace fmt_helper +} // namespace details +} // namespace spdlog diff --git a/vendors/spdlog/details/log_msg.h b/vendors/spdlog/details/log_msg.h new file mode 100755 index 0000000..5913c3b --- /dev/null +++ b/vendors/spdlog/details/log_msg.h @@ -0,0 +1,55 @@ +// +// Copyright(c) 2015 Gabi Melman. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) +// + +#pragma once + +#include "spdlog/common.h" +#include "spdlog/details/os.h" + +#include +#include + +namespace spdlog { +namespace details { +struct log_msg +{ + + log_msg(source_loc loc, const std::string *loggers_name, level::level_enum lvl, string_view_t view) + : logger_name(loggers_name) + , level(lvl) +#ifndef SPDLOG_NO_DATETIME + , time(os::now()) +#endif + +#ifndef SPDLOG_NO_THREAD_ID + , thread_id(os::thread_id()) + , source(loc) + , payload(view) +#endif + { + } + + log_msg(const std::string *loggers_name, level::level_enum lvl, string_view_t view) + : log_msg(source_loc{}, loggers_name, lvl, view) + { + } + + log_msg(const log_msg &other) = default; + + const std::string *logger_name{nullptr}; + level::level_enum level{level::off}; + log_clock::time_point time; + size_t thread_id{0}; + size_t msg_id{0}; + + // wrapping the formatted text with color (updated by pattern_formatter). + mutable size_t color_range_start{0}; + mutable size_t color_range_end{0}; + + source_loc source; + const string_view_t payload; +}; +} // namespace details +} // namespace spdlog diff --git a/vendors/spdlog/details/logger_impl.h b/vendors/spdlog/details/logger_impl.h new file mode 100755 index 0000000..0212ede --- /dev/null +++ b/vendors/spdlog/details/logger_impl.h @@ -0,0 +1,441 @@ +// +// Copyright(c) 2015 Gabi Melman. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) +// + +#pragma once + +#include "spdlog/details/fmt_helper.h" + +#include +#include + +#define SPDLOG_CATCH_AND_HANDLE \ + catch (const std::exception &ex) \ + { \ + err_handler_(ex.what()); \ + } \ + catch (...) \ + { \ + err_handler_("Unknown exception in logger"); \ + } + +// create logger with given name, sinks and the default pattern formatter +// all other ctors will call this one +template +inline spdlog::logger::logger(std::string logger_name, It begin, It end) + : name_(std::move(logger_name)) + , sinks_(begin, end) +{ +} + +// ctor with sinks as init list +inline spdlog::logger::logger(std::string logger_name, sinks_init_list sinks_list) + : logger(std::move(logger_name), sinks_list.begin(), sinks_list.end()) +{ +} + +// ctor with single sink +inline spdlog::logger::logger(std::string logger_name, spdlog::sink_ptr single_sink) + : logger(std::move(logger_name), {std::move(single_sink)}) +{ +} + +inline spdlog::logger::~logger() = default; + +inline void spdlog::logger::set_formatter(std::unique_ptr f) +{ + for (auto &sink : sinks_) + { + sink->set_formatter(f->clone()); + } +} + +inline void spdlog::logger::set_pattern(std::string pattern, pattern_time_type time_type) +{ + auto new_formatter = details::make_unique(std::move(pattern), time_type); + set_formatter(std::move(new_formatter)); +} + +template +inline void spdlog::logger::log(source_loc source, level::level_enum lvl, const char *fmt, const Args &... args) +{ + if (!should_log(lvl)) + { + return; + } + + try + { + using details::fmt_helper::to_string_view; + fmt::memory_buffer buf; + fmt::format_to(buf, fmt, args...); + details::log_msg log_msg(source, &name_, lvl, to_string_view(buf)); + sink_it_(log_msg); + } + SPDLOG_CATCH_AND_HANDLE +} + +template +inline void spdlog::logger::log(level::level_enum lvl, const char *fmt, const Args &... args) +{ + log(source_loc{}, lvl, fmt, args...); +} + +inline void spdlog::logger::log(source_loc source, level::level_enum lvl, const char *msg) +{ + if (!should_log(lvl)) + { + return; + } + + try + { + details::log_msg log_msg(source, &name_, lvl, spdlog::string_view_t(msg)); + sink_it_(log_msg); + } + SPDLOG_CATCH_AND_HANDLE +} + +inline void spdlog::logger::log(level::level_enum lvl, const char *msg) +{ + log(source_loc{}, lvl, msg); +} + +template::value, T>::type *> +inline void spdlog::logger::log(source_loc source, level::level_enum lvl, const T &msg) +{ + if (!should_log(lvl)) + { + return; + } + try + { + details::log_msg log_msg(source, &name_, lvl, msg); + sink_it_(log_msg); + } + SPDLOG_CATCH_AND_HANDLE +} + +template::value, T>::type *> +inline void spdlog::logger::log(level::level_enum lvl, const T &msg) +{ + log(source_loc{}, lvl, msg); +} + +template::value, T>::type *> +inline void spdlog::logger::log(source_loc source, level::level_enum lvl, const T &msg) +{ + if (!should_log(lvl)) + { + return; + } + try + { + using details::fmt_helper::to_string_view; + fmt::memory_buffer buf; + fmt::format_to(buf, "{}", msg); + details::log_msg log_msg(source, &name_, lvl, to_string_view(buf)); + sink_it_(log_msg); + } + SPDLOG_CATCH_AND_HANDLE +} + +template::value, T>::type *> +inline void spdlog::logger::log(level::level_enum lvl, const T &msg) +{ + log(source_loc{}, lvl, msg); +} + +template +inline void spdlog::logger::trace(const char *fmt, const Args &... args) +{ + log(level::trace, fmt, args...); +} + +template +inline void spdlog::logger::debug(const char *fmt, const Args &... args) +{ + log(level::debug, fmt, args...); +} + +template +inline void spdlog::logger::info(const char *fmt, const Args &... args) +{ + log(level::info, fmt, args...); +} + +template +inline void spdlog::logger::warn(const char *fmt, const Args &... args) +{ + log(level::warn, fmt, args...); +} + +template +inline void spdlog::logger::error(const char *fmt, const Args &... args) +{ + log(level::err, fmt, args...); +} + +template +inline void spdlog::logger::critical(const char *fmt, const Args &... args) +{ + log(level::critical, fmt, args...); +} + +template +inline void spdlog::logger::trace(const T &msg) +{ + log(level::trace, msg); +} + +template +inline void spdlog::logger::debug(const T &msg) +{ + log(level::debug, msg); +} + +template +inline void spdlog::logger::info(const T &msg) +{ + log(level::info, msg); +} + +template +inline void spdlog::logger::warn(const T &msg) +{ + log(level::warn, msg); +} + +template +inline void spdlog::logger::error(const T &msg) +{ + log(level::err, msg); +} + +template +inline void spdlog::logger::critical(const T &msg) +{ + log(level::critical, msg); +} + +#ifdef SPDLOG_WCHAR_TO_UTF8_SUPPORT + +inline void wbuf_to_utf8buf(const fmt::wmemory_buffer &wbuf, fmt::memory_buffer &target) +{ + int wbuf_size = static_cast(wbuf.size()); + if (wbuf_size == 0) + { + return; + } + + auto result_size = ::WideCharToMultiByte(CP_UTF8, 0, wbuf.data(), wbuf_size, NULL, 0, NULL, NULL); + + if (result_size > 0) + { + target.resize(result_size); + ::WideCharToMultiByte(CP_UTF8, 0, wbuf.data(), wbuf_size, &target.data()[0], result_size, NULL, NULL); + } + else + { + throw spdlog::spdlog_ex(fmt::format("WideCharToMultiByte failed. Last error: {}", ::GetLastError())); + } +} + +template +inline void spdlog::logger::log(source_loc source, level::level_enum lvl, const wchar_t *fmt, const Args &... args) +{ + if (!should_log(lvl)) + { + return; + } + + try + { + // format to wmemory_buffer and convert to utf8 + using details::fmt_helper::to_string_view; + fmt::wmemory_buffer wbuf; + fmt::format_to(wbuf, fmt, args...); + fmt::memory_buffer buf; + wbuf_to_utf8buf(wbuf, buf); + details::log_msg log_msg(source, &name_, lvl, to_string_view(buf)); + sink_it_(log_msg); + } + SPDLOG_CATCH_AND_HANDLE +} + +template +inline void spdlog::logger::log(level::level_enum lvl, const wchar_t *fmt, const Args &... args) +{ + log(source_loc{}, lvl, fmt, args...); +} + +template +inline void spdlog::logger::trace(const wchar_t *fmt, const Args &... args) +{ + log(level::trace, fmt, args...); +} + +template +inline void spdlog::logger::debug(const wchar_t *fmt, const Args &... args) +{ + log(level::debug, fmt, args...); +} + +template +inline void spdlog::logger::info(const wchar_t *fmt, const Args &... args) +{ + log(level::info, fmt, args...); +} + +template +inline void spdlog::logger::warn(const wchar_t *fmt, const Args &... args) +{ + log(level::warn, fmt, args...); +} + +template +inline void spdlog::logger::error(const wchar_t *fmt, const Args &... args) +{ + log(level::err, fmt, args...); +} + +template +inline void spdlog::logger::critical(const wchar_t *fmt, const Args &... args) +{ + log(level::critical, fmt, args...); +} + +#endif // SPDLOG_WCHAR_TO_UTF8_SUPPORT + +// +// name and level +// +inline const std::string &spdlog::logger::name() const +{ + return name_; +} + +inline void spdlog::logger::set_level(spdlog::level::level_enum log_level) +{ + level_.store(log_level); +} + +inline void spdlog::logger::set_error_handler(spdlog::log_err_handler err_handler) +{ + err_handler_ = std::move(err_handler); +} + +inline spdlog::log_err_handler spdlog::logger::error_handler() const +{ + return err_handler_; +} + +inline void spdlog::logger::flush() +{ + try + { + flush_(); + } + SPDLOG_CATCH_AND_HANDLE +} + +inline void spdlog::logger::flush_on(level::level_enum log_level) +{ + flush_level_.store(log_level); +} + +inline spdlog::level::level_enum spdlog::logger::flush_level() const +{ + return static_cast(flush_level_.load(std::memory_order_relaxed)); +} + +inline bool spdlog::logger::should_flush_(const details::log_msg &msg) +{ + auto flush_level = flush_level_.load(std::memory_order_relaxed); + return (msg.level >= flush_level) && (msg.level != level::off); +} + +inline spdlog::level::level_enum spdlog::logger::default_level() +{ + return static_cast(SPDLOG_ACTIVE_LEVEL); +} + +inline spdlog::level::level_enum spdlog::logger::level() const +{ + return static_cast(level_.load(std::memory_order_relaxed)); +} + +inline bool spdlog::logger::should_log(spdlog::level::level_enum msg_level) const +{ + return msg_level >= level_.load(std::memory_order_relaxed); +} + +// +// protected virtual called at end of each user log call (if enabled) by the +// line_logger +// +inline void spdlog::logger::sink_it_(details::log_msg &msg) +{ +#if defined(SPDLOG_ENABLE_MESSAGE_COUNTER) + incr_msg_counter_(msg); +#endif + for (auto &sink : sinks_) + { + if (sink->should_log(msg.level)) + { + sink->log(msg); + } + } + + if (should_flush_(msg)) + { + flush_(); + } +} + +inline void spdlog::logger::flush_() +{ + for (auto &sink : sinks_) + { + sink->flush(); + } +} + +inline void spdlog::logger::default_err_handler_(const std::string &msg) +{ + auto now = time(nullptr); + if (now - last_err_time_ < 60) + { + return; + } + last_err_time_ = now; + auto tm_time = details::os::localtime(now); + char date_buf[100]; + std::strftime(date_buf, sizeof(date_buf), "%Y-%m-%d %H:%M:%S", &tm_time); + fmt::print(stderr, "[*** LOG ERROR ***] [{}] [{}] {}\n", date_buf, name(), msg); +} + +inline void spdlog::logger::incr_msg_counter_(details::log_msg &msg) +{ + msg.msg_id = msg_counter_.fetch_add(1, std::memory_order_relaxed); +} + +inline const std::vector &spdlog::logger::sinks() const +{ + return sinks_; +} + +inline std::vector &spdlog::logger::sinks() +{ + return sinks_; +} + +inline std::shared_ptr spdlog::logger::clone(std::string logger_name) +{ + auto cloned = std::make_shared(std::move(logger_name), sinks_.begin(), sinks_.end()); + cloned->set_level(this->level()); + cloned->flush_on(this->flush_level()); + cloned->set_error_handler(this->error_handler()); + return cloned; +} diff --git a/vendors/spdlog/details/mpmc_blocking_q.h b/vendors/spdlog/details/mpmc_blocking_q.h new file mode 100755 index 0000000..ca789fc --- /dev/null +++ b/vendors/spdlog/details/mpmc_blocking_q.h @@ -0,0 +1,121 @@ +#pragma once + +// +// Copyright(c) 2018 Gabi Melman. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) +// + +// multi producer-multi consumer blocking queue. +// enqueue(..) - will block until room found to put the new message. +// enqueue_nowait(..) - will return immediately with false if no room left in +// the queue. +// dequeue_for(..) - will block until the queue is not empty or timeout have +// passed. + +#include "spdlog/details/circular_q.h" + +#include +#include + +namespace spdlog { +namespace details { + +template +class mpmc_blocking_queue +{ +public: + using item_type = T; + explicit mpmc_blocking_queue(size_t max_items) + : q_(max_items) + { + } + +#ifndef __MINGW32__ + // try to enqueue and block if no room left + void enqueue(T &&item) + { + { + std::unique_lock lock(queue_mutex_); + pop_cv_.wait(lock, [this] { return !this->q_.full(); }); + q_.push_back(std::move(item)); + } + push_cv_.notify_one(); + } + + // enqueue immediately. overrun oldest message in the queue if no room left. + void enqueue_nowait(T &&item) + { + { + std::unique_lock lock(queue_mutex_); + q_.push_back(std::move(item)); + } + push_cv_.notify_one(); + } + + // try to dequeue item. if no item found. wait upto timeout and try again + // Return true, if succeeded dequeue item, false otherwise + bool dequeue_for(T &popped_item, std::chrono::milliseconds wait_duration) + { + { + std::unique_lock lock(queue_mutex_); + if (!push_cv_.wait_for(lock, wait_duration, [this] { return !this->q_.empty(); })) + { + return false; + } + q_.pop_front(popped_item); + } + pop_cv_.notify_one(); + return true; + } + +#else + // apparently mingw deadlocks if the mutex is released before cv.notify_one(), + // so release the mutex at the very end each function. + + // try to enqueue and block if no room left + void enqueue(T &&item) + { + std::unique_lock lock(queue_mutex_); + pop_cv_.wait(lock, [this] { return !this->q_.full(); }); + q_.push_back(std::move(item)); + push_cv_.notify_one(); + } + + // enqueue immediately. overrun oldest message in the queue if no room left. + void enqueue_nowait(T &&item) + { + std::unique_lock lock(queue_mutex_); + q_.push_back(std::move(item)); + push_cv_.notify_one(); + } + + // try to dequeue item. if no item found. wait upto timeout and try again + // Return true, if succeeded dequeue item, false otherwise + bool dequeue_for(T &popped_item, std::chrono::milliseconds wait_duration) + { + std::unique_lock lock(queue_mutex_); + if (!push_cv_.wait_for(lock, wait_duration, [this] { return !this->q_.empty(); })) + { + return false; + } + q_.pop_front(popped_item); + pop_cv_.notify_one(); + return true; + } + +#endif + + size_t overrun_counter() + { + std::unique_lock lock(queue_mutex_); + return q_.overrun_counter(); + } + +private: + std::mutex queue_mutex_; + std::condition_variable push_cv_; + std::condition_variable pop_cv_; + spdlog::details::circular_q q_; +}; +} // namespace details +} // namespace spdlog diff --git a/vendors/spdlog/details/null_mutex.h b/vendors/spdlog/details/null_mutex.h new file mode 100755 index 0000000..3f495bd --- /dev/null +++ b/vendors/spdlog/details/null_mutex.h @@ -0,0 +1,45 @@ +// +// Copyright(c) 2015 Gabi Melman. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) +// + +#pragma once + +#include +// null, no cost dummy "mutex" and dummy "atomic" int + +namespace spdlog { +namespace details { +struct null_mutex +{ + void lock() {} + void unlock() {} + bool try_lock() + { + return true; + } +}; + +struct null_atomic_int +{ + int value; + null_atomic_int() = default; + + explicit null_atomic_int(int val) + : value(val) + { + } + + int load(std::memory_order) const + { + return value; + } + + void store(int val) + { + value = val; + } +}; + +} // namespace details +} // namespace spdlog diff --git a/vendors/spdlog/details/os.h b/vendors/spdlog/details/os.h new file mode 100755 index 0000000..646805e --- /dev/null +++ b/vendors/spdlog/details/os.h @@ -0,0 +1,421 @@ +// +// Copyright(c) 2015 Gabi Melman. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) +// +#pragma once + +#include "../common.h" + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#ifdef _WIN32 + +#ifndef NOMINMAX +#define NOMINMAX // prevent windows redefining min/max +#endif + +#ifndef WIN32_LEAN_AND_MEAN +#define WIN32_LEAN_AND_MEAN +#endif +#include // _get_osfhandle and _isatty support +#include // _get_pid support +#include + +#ifdef __MINGW32__ +#include +#endif + +#else // unix + +#include +#include + +#ifdef __linux__ +#include //Use gettid() syscall under linux to get thread id + +#elif __FreeBSD__ +#include //Use thr_self() syscall under FreeBSD to get thread id +#endif + +#endif // unix + +#ifndef __has_feature // Clang - feature checking macros. +#define __has_feature(x) 0 // Compatibility with non-clang compilers. +#endif + +namespace spdlog { +namespace details { +namespace os { + +inline spdlog::log_clock::time_point now() SPDLOG_NOEXCEPT +{ + +#if defined __linux__ && defined SPDLOG_CLOCK_COARSE + timespec ts; + ::clock_gettime(CLOCK_REALTIME_COARSE, &ts); + return std::chrono::time_point( + std::chrono::duration_cast(std::chrono::seconds(ts.tv_sec) + std::chrono::nanoseconds(ts.tv_nsec))); + +#else + return log_clock::now(); +#endif +} +inline std::tm localtime(const std::time_t &time_tt) SPDLOG_NOEXCEPT +{ + +#ifdef _WIN32 + std::tm tm; + localtime_s(&tm, &time_tt); +#else + std::tm tm; + localtime_r(&time_tt, &tm); +#endif + return tm; +} + +inline std::tm localtime() SPDLOG_NOEXCEPT +{ + std::time_t now_t = time(nullptr); + return localtime(now_t); +} + +inline std::tm gmtime(const std::time_t &time_tt) SPDLOG_NOEXCEPT +{ + +#ifdef _WIN32 + std::tm tm; + gmtime_s(&tm, &time_tt); +#else + std::tm tm; + gmtime_r(&time_tt, &tm); +#endif + return tm; +} + +inline std::tm gmtime() SPDLOG_NOEXCEPT +{ + std::time_t now_t = time(nullptr); + return gmtime(now_t); +} + +// eol definition +#if !defined(SPDLOG_EOL) +#ifdef _WIN32 +#define SPDLOG_EOL "\r\n" +#else +#define SPDLOG_EOL "\n" +#endif +#endif + +SPDLOG_CONSTEXPR static const char *default_eol = SPDLOG_EOL; + +// folder separator +#ifdef _WIN32 +SPDLOG_CONSTEXPR static const char folder_sep = '\\'; +#else +SPDLOG_CONSTEXPR static const char folder_sep = '/'; +#endif + +inline void prevent_child_fd(FILE *f) +{ + +#ifdef _WIN32 +#if !defined(__cplusplus_winrt) + auto file_handle = (HANDLE)_get_osfhandle(_fileno(f)); + if (!::SetHandleInformation(file_handle, HANDLE_FLAG_INHERIT, 0)) + throw spdlog_ex("SetHandleInformation failed", errno); +#endif +#else + auto fd = fileno(f); + if (fcntl(fd, F_SETFD, FD_CLOEXEC) == -1) + { + throw spdlog_ex("fcntl with FD_CLOEXEC failed", errno); + } +#endif +} + +// fopen_s on non windows for writing +inline bool fopen_s(FILE **fp, const filename_t &filename, const filename_t &mode) +{ +#ifdef _WIN32 +#ifdef SPDLOG_WCHAR_FILENAMES + *fp = _wfsopen((filename.c_str()), mode.c_str(), _SH_DENYNO); +#else + *fp = _fsopen((filename.c_str()), mode.c_str(), _SH_DENYNO); +#endif +#else // unix + *fp = fopen((filename.c_str()), mode.c_str()); +#endif + +#ifdef SPDLOG_PREVENT_CHILD_FD + if (*fp != nullptr) + { + prevent_child_fd(*fp); + } +#endif + return *fp == nullptr; +} + +inline int remove(const filename_t &filename) SPDLOG_NOEXCEPT +{ +#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES) + return _wremove(filename.c_str()); +#else + return std::remove(filename.c_str()); +#endif +} + +inline int rename(const filename_t &filename1, const filename_t &filename2) SPDLOG_NOEXCEPT +{ +#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES) + return _wrename(filename1.c_str(), filename2.c_str()); +#else + return std::rename(filename1.c_str(), filename2.c_str()); +#endif +} + +// Return if file exists +inline bool file_exists(const filename_t &filename) SPDLOG_NOEXCEPT +{ +#ifdef _WIN32 +#ifdef SPDLOG_WCHAR_FILENAMES + auto attribs = GetFileAttributesW(filename.c_str()); +#else + auto attribs = GetFileAttributesA(filename.c_str()); +#endif + return (attribs != INVALID_FILE_ATTRIBUTES && !(attribs & FILE_ATTRIBUTE_DIRECTORY)); +#else // common linux/unix all have the stat system call + struct stat buffer; + return (stat(filename.c_str(), &buffer) == 0); +#endif +} + +// Return file size according to open FILE* object +inline size_t filesize(FILE *f) +{ + if (f == nullptr) + { + throw spdlog_ex("Failed getting file size. fd is null"); + } +#if defined(_WIN32) && !defined(__CYGWIN__) + int fd = _fileno(f); +#if _WIN64 // 64 bits + __int64 ret = _filelengthi64(fd); + if (ret >= 0) + { + return static_cast(ret); + } + +#else // windows 32 bits + long ret = _filelength(fd); + if (ret >= 0) + { + return static_cast(ret); + } +#endif + +#else // unix + int fd = fileno(f); +// 64 bits(but not in osx or cygwin, where fstat64 is deprecated) +#if !defined(__FreeBSD__) && !defined(__APPLE__) && (defined(__x86_64__) || defined(__ppc64__)) && !defined(__CYGWIN__) + struct stat64 st; + if (fstat64(fd, &st) == 0) + { + return static_cast(st.st_size); + } +#else // unix 32 bits or cygwin + struct stat st; + + if (fstat(fd, &st) == 0) + { + return static_cast(st.st_size); + } +#endif +#endif + throw spdlog_ex("Failed getting file size from fd", errno); +} + +// Return utc offset in minutes or throw spdlog_ex on failure +inline int utc_minutes_offset(const std::tm &tm = details::os::localtime()) +{ + +#ifdef _WIN32 +#if _WIN32_WINNT < _WIN32_WINNT_WS08 + TIME_ZONE_INFORMATION tzinfo; + auto rv = GetTimeZoneInformation(&tzinfo); +#else + DYNAMIC_TIME_ZONE_INFORMATION tzinfo; + auto rv = GetDynamicTimeZoneInformation(&tzinfo); +#endif + if (rv == TIME_ZONE_ID_INVALID) + throw spdlog::spdlog_ex("Failed getting timezone info. ", errno); + + int offset = -tzinfo.Bias; + if (tm.tm_isdst) + { + offset -= tzinfo.DaylightBias; + } + else + { + offset -= tzinfo.StandardBias; + } + return offset; +#else + +#if defined(sun) || defined(__sun) || defined(_AIX) + // 'tm_gmtoff' field is BSD extension and it's missing on SunOS/Solaris + struct helper + { + static long int calculate_gmt_offset(const std::tm &localtm = details::os::localtime(), const std::tm &gmtm = details::os::gmtime()) + { + int local_year = localtm.tm_year + (1900 - 1); + int gmt_year = gmtm.tm_year + (1900 - 1); + + long int days = ( + // difference in day of year + localtm.tm_yday - + gmtm.tm_yday + + // + intervening leap days + + ((local_year >> 2) - (gmt_year >> 2)) - (local_year / 100 - gmt_year / 100) + + ((local_year / 100 >> 2) - (gmt_year / 100 >> 2)) + + // + difference in years * 365 */ + + (long int)(local_year - gmt_year) * 365); + + long int hours = (24 * days) + (localtm.tm_hour - gmtm.tm_hour); + long int mins = (60 * hours) + (localtm.tm_min - gmtm.tm_min); + long int secs = (60 * mins) + (localtm.tm_sec - gmtm.tm_sec); + + return secs; + } + }; + + auto offset_seconds = helper::calculate_gmt_offset(tm); +#else + auto offset_seconds = tm.tm_gmtoff; +#endif + + return static_cast(offset_seconds / 60); +#endif +} + +// Return current thread id as size_t +// It exists because the std::this_thread::get_id() is much slower(especially +// under VS 2013) +inline size_t _thread_id() SPDLOG_NOEXCEPT +{ +#ifdef _WIN32 + return static_cast(::GetCurrentThreadId()); +#elif __linux__ +#if defined(__ANDROID__) && defined(__ANDROID_API__) && (__ANDROID_API__ < 21) +#define SYS_gettid __NR_gettid +#endif + return static_cast(syscall(SYS_gettid)); +#elif __FreeBSD__ + long tid; + thr_self(&tid); + return static_cast(tid); +#elif __APPLE__ + uint64_t tid; + pthread_threadid_np(nullptr, &tid); + return static_cast(tid); +#else // Default to standard C++11 (other Unix) + return static_cast(std::hash()(std::this_thread::get_id())); +#endif +} + +// Return current thread id as size_t (from thread local storage) +inline size_t thread_id() SPDLOG_NOEXCEPT +{ +#if defined(SPDLOG_NO_TLS) + return _thread_id(); +#else // cache thread id in tls + static thread_local const size_t tid = _thread_id(); + return tid; +#endif +} + +// This is avoid msvc issue in sleep_for that happens if the clock changes. +// See https://github.com/gabime/spdlog/issues/609 +inline void sleep_for_millis(int milliseconds) SPDLOG_NOEXCEPT +{ +#if defined(_WIN32) + ::Sleep(milliseconds); +#else + std::this_thread::sleep_for(std::chrono::milliseconds(milliseconds)); +#endif +} + +// wchar support for windows file names (SPDLOG_WCHAR_FILENAMES must be defined) +#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES) +#define SPDLOG_FILENAME_T(s) L##s +inline std::string filename_to_str(const filename_t &filename) +{ + std::wstring_convert, wchar_t> c; + return c.to_bytes(filename); +} +#else +#define SPDLOG_FILENAME_T(s) s +inline std::string filename_to_str(const filename_t &filename) +{ + return filename; +} +#endif + +inline int pid() +{ + +#ifdef _WIN32 + return static_cast(::GetCurrentProcessId()); +#else + return static_cast(::getpid()); +#endif +} + +// Determine if the terminal supports colors +// Source: https://github.com/agauniyal/rang/ +inline bool is_color_terminal() SPDLOG_NOEXCEPT +{ +#ifdef _WIN32 + return true; +#else + static constexpr const char *Terms[] = { + "ansi", "color", "console", "cygwin", "gnome", "konsole", "kterm", "linux", "msys", "putty", "rxvt", "screen", "vt100", "xterm"}; + + const char *env_p = std::getenv("TERM"); + if (env_p == nullptr) + { + return false; + } + + static const bool result = + std::any_of(std::begin(Terms), std::end(Terms), [&](const char *term) { return std::strstr(env_p, term) != nullptr; }); + return result; +#endif +} + +// Detrmine if the terminal attached +// Source: https://github.com/agauniyal/rang/ +inline bool in_terminal(FILE *file) SPDLOG_NOEXCEPT +{ + +#ifdef _WIN32 + return _isatty(_fileno(file)) != 0; +#else + return isatty(fileno(file)) != 0; +#endif +} +} // namespace os +} // namespace details +} // namespace spdlog diff --git a/vendors/spdlog/details/pattern_formatter.h b/vendors/spdlog/details/pattern_formatter.h new file mode 100755 index 0000000..9bc34a5 --- /dev/null +++ b/vendors/spdlog/details/pattern_formatter.h @@ -0,0 +1,1315 @@ +// +// Copyright(c) 2015 Gabi Melman. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) +// + +#pragma once + +#include "spdlog/details/fmt_helper.h" +#include "spdlog/details/log_msg.h" +#include "spdlog/details/os.h" +#include "spdlog/fmt/fmt.h" +#include "spdlog/formatter.h" + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +namespace spdlog { +namespace details { + +// padding information. +struct padding_info +{ + enum pad_side + { + left, + right, + center + }; + + padding_info() = default; + padding_info(size_t width, padding_info::pad_side side) + : width_(width) + , side_(side) + { + } + + bool enabled() const + { + return width_ != 0; + } + const size_t width_ = 0; + const pad_side side_ = left; +}; + +class scoped_pad +{ +public: + scoped_pad(size_t wrapped_size, padding_info &padinfo, fmt::memory_buffer &dest) + : padinfo_(padinfo) + , dest_(dest) + { + + if (padinfo_.width_ <= wrapped_size) + { + total_pad_ = 0; + return; + } + + total_pad_ = padinfo.width_ - wrapped_size; + if (padinfo_.side_ == padding_info::left) + { + pad_it(total_pad_); + total_pad_ = 0; + } + else if (padinfo_.side_ == padding_info::center) + { + auto half_pad = total_pad_ / 2; + auto reminder = total_pad_ & 1; + pad_it(half_pad); + total_pad_ = half_pad + reminder; // for the right side + } + } + + scoped_pad(spdlog::string_view_t txt, padding_info &padinfo, fmt::memory_buffer &dest) + : scoped_pad(txt.size(), padinfo, dest) + { + } + + ~scoped_pad() + { + if (total_pad_) + { + pad_it(total_pad_); + } + } + +private: + void pad_it(size_t count) + { + // count = std::min(count, spaces_.size()); + assert(count <= spaces_.size()); + fmt_helper::append_string_view(string_view_t(spaces_.data(), count), dest_); + } + + const padding_info &padinfo_; + fmt::memory_buffer &dest_; + size_t total_pad_; + string_view_t spaces_{" " + " ", + 128}; +}; + +class flag_formatter +{ +public: + explicit flag_formatter(padding_info padinfo) + : padinfo_(padinfo) + { + } + flag_formatter() = default; + virtual ~flag_formatter() = default; + virtual void format(const details::log_msg &msg, const std::tm &tm_time, fmt::memory_buffer &dest) = 0; + +protected: + padding_info padinfo_; +}; + +/////////////////////////////////////////////////////////////////////// +// name & level pattern appender +/////////////////////////////////////////////////////////////////////// +class name_formatter : public flag_formatter +{ +public: + explicit name_formatter(padding_info padinfo) + : flag_formatter(padinfo) + { + } + + void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override + { + if (padinfo_.enabled()) + { + scoped_pad p(*msg.logger_name, padinfo_, dest); + fmt_helper::append_string_view(*msg.logger_name, dest); + } + else + { + fmt_helper::append_string_view(*msg.logger_name, dest); + } + } +}; + +// log level appender +class level_formatter : public flag_formatter +{ +public: + explicit level_formatter(padding_info padinfo) + : flag_formatter(padinfo) + { + } + + void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override + { + string_view_t &level_name = level::to_string_view(msg.level); + if (padinfo_.enabled()) + { + scoped_pad p(level_name, padinfo_, dest); + fmt_helper::append_string_view(level_name, dest); + } + else + { + fmt_helper::append_string_view(level_name, dest); + } + } +}; + +// short log level appender +class short_level_formatter : public flag_formatter +{ +public: + explicit short_level_formatter(padding_info padinfo) + : flag_formatter(padinfo) + { + } + + void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override + { + string_view_t level_name{level::to_short_c_str(msg.level)}; + scoped_pad p(level_name, padinfo_, dest); + fmt_helper::append_string_view(level_name, dest); + } +}; + +/////////////////////////////////////////////////////////////////////// +// Date time pattern appenders +/////////////////////////////////////////////////////////////////////// + +static const char *ampm(const tm &t) +{ + return t.tm_hour >= 12 ? "PM" : "AM"; +} + +static int to12h(const tm &t) +{ + return t.tm_hour > 12 ? t.tm_hour - 12 : t.tm_hour; +} + +// Abbreviated weekday name +static const char *days[]{"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"}; +class a_formatter : public flag_formatter +{ +public: + explicit a_formatter(padding_info padinfo) + : flag_formatter(padinfo) + { + } + + void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override + { + string_view_t field_value{days[tm_time.tm_wday]}; + scoped_pad p(field_value, padinfo_, dest); + fmt_helper::append_string_view(field_value, dest); + } +}; + +// Full weekday name +static const char *full_days[]{"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"}; +class A_formatter : public flag_formatter +{ +public: + explicit A_formatter(padding_info padinfo) + : flag_formatter(padinfo) + { + } + + void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override + { + string_view_t field_value{full_days[tm_time.tm_wday]}; + scoped_pad p(field_value, padinfo_, dest); + fmt_helper::append_string_view(field_value, dest); + } +}; + +// Abbreviated month +static const char *months[]{"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sept", "Oct", "Nov", "Dec"}; +class b_formatter : public flag_formatter +{ +public: + explicit b_formatter(padding_info padinfo) + : flag_formatter(padinfo) + { + } + + void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override + { + string_view_t field_value{months[tm_time.tm_mon]}; + scoped_pad p(field_value, padinfo_, dest); + fmt_helper::append_string_view(field_value, dest); + } +}; + +// Full month name +static const char *full_months[]{ + "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"}; +class B_formatter : public flag_formatter +{ +public: + explicit B_formatter(padding_info padinfo) + : flag_formatter(padinfo) + { + } + + void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override + { + string_view_t field_value{full_months[tm_time.tm_mon]}; + scoped_pad p(field_value, padinfo_, dest); + fmt_helper::append_string_view(field_value, dest); + } +}; + +// Date and time representation (Thu Aug 23 15:35:46 2014) +class c_formatter final : public flag_formatter +{ +public: + explicit c_formatter(padding_info padinfo) + : flag_formatter(padinfo) + { + } + + void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override + { + const size_t field_size = 24; + scoped_pad p(field_size, padinfo_, dest); + + fmt_helper::append_string_view(days[tm_time.tm_wday], dest); + dest.push_back(' '); + fmt_helper::append_string_view(months[tm_time.tm_mon], dest); + dest.push_back(' '); + fmt_helper::append_int(tm_time.tm_mday, dest); + dest.push_back(' '); + // time + + fmt_helper::pad2(tm_time.tm_hour, dest); + dest.push_back(':'); + fmt_helper::pad2(tm_time.tm_min, dest); + dest.push_back(':'); + fmt_helper::pad2(tm_time.tm_sec, dest); + dest.push_back(' '); + fmt_helper::append_int(tm_time.tm_year + 1900, dest); + } +}; + +// year - 2 digit +class C_formatter final : public flag_formatter +{ +public: + explicit C_formatter(padding_info padinfo) + : flag_formatter(padinfo) + { + } + + void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override + { + const size_t field_size = 2; + scoped_pad p(field_size, padinfo_, dest); + fmt_helper::pad2(tm_time.tm_year % 100, dest); + } +}; + +// Short MM/DD/YY date, equivalent to %m/%d/%y 08/23/01 +class D_formatter final : public flag_formatter +{ +public: + explicit D_formatter(padding_info padinfo) + : flag_formatter(padinfo) + { + } + + void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override + { + const size_t field_size = 10; + scoped_pad p(field_size, padinfo_, dest); + + fmt_helper::pad2(tm_time.tm_mon + 1, dest); + dest.push_back('/'); + fmt_helper::pad2(tm_time.tm_mday, dest); + dest.push_back('/'); + fmt_helper::pad2(tm_time.tm_year % 100, dest); + } +}; + +// year - 4 digit +class Y_formatter final : public flag_formatter +{ +public: + explicit Y_formatter(padding_info padinfo) + : flag_formatter(padinfo){}; + + void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override + { + const size_t field_size = 4; + scoped_pad p(field_size, padinfo_, dest); + fmt_helper::append_int(tm_time.tm_year + 1900, dest); + } +}; + +// month 1-12 +class m_formatter final : public flag_formatter +{ +public: + explicit m_formatter(padding_info padinfo) + : flag_formatter(padinfo) + { + } + + void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override + { + const size_t field_size = 2; + scoped_pad p(field_size, padinfo_, dest); + fmt_helper::pad2(tm_time.tm_mon + 1, dest); + } +}; + +// day of month 1-31 +class d_formatter final : public flag_formatter +{ +public: + explicit d_formatter(padding_info padinfo) + : flag_formatter(padinfo) + { + } + + void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override + { + const size_t field_size = 2; + scoped_pad p(field_size, padinfo_, dest); + fmt_helper::pad2(tm_time.tm_mday, dest); + } +}; + +// hours in 24 format 0-23 +class H_formatter final : public flag_formatter +{ +public: + explicit H_formatter(padding_info padinfo) + : flag_formatter(padinfo) + { + } + + void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override + { + const size_t field_size = 2; + scoped_pad p(field_size, padinfo_, dest); + fmt_helper::pad2(tm_time.tm_hour, dest); + } +}; + +// hours in 12 format 1-12 +class I_formatter final : public flag_formatter +{ +public: + explicit I_formatter(padding_info padinfo) + : flag_formatter(padinfo){}; + + void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override + { + const size_t field_size = 2; + scoped_pad p(field_size, padinfo_, dest); + fmt_helper::pad2(to12h(tm_time), dest); + } +}; + +// minutes 0-59 +class M_formatter final : public flag_formatter +{ +public: + explicit M_formatter(padding_info padinfo) + : flag_formatter(padinfo){}; + + void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override + { + const size_t field_size = 2; + scoped_pad p(field_size, padinfo_, dest); + fmt_helper::pad2(tm_time.tm_min, dest); + } +}; + +// seconds 0-59 +class S_formatter final : public flag_formatter +{ +public: + explicit S_formatter(padding_info padinfo) + : flag_formatter(padinfo){}; + + void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override + { + const size_t field_size = 2; + scoped_pad p(field_size, padinfo_, dest); + fmt_helper::pad2(tm_time.tm_sec, dest); + } +}; + +// milliseconds +class e_formatter final : public flag_formatter +{ +public: + explicit e_formatter(padding_info padinfo) + : flag_formatter(padinfo){}; + + void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override + { + auto millis = fmt_helper::time_fraction(msg.time); + if (padinfo_.enabled()) + { + const size_t field_size = 3; + scoped_pad p(field_size, padinfo_, dest); + fmt_helper::pad3(static_cast(millis.count()), dest); + } + else + { + fmt_helper::pad3(static_cast(millis.count()), dest); + } + } +}; + +// microseconds +class f_formatter final : public flag_formatter +{ +public: + explicit f_formatter(padding_info padinfo) + : flag_formatter(padinfo){}; + + void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override + { + auto micros = fmt_helper::time_fraction(msg.time); + if (padinfo_.enabled()) + { + const size_t field_size = 6; + scoped_pad p(field_size, padinfo_, dest); + fmt_helper::pad6(static_cast(micros.count()), dest); + } + else + { + fmt_helper::pad6(static_cast(micros.count()), dest); + } + } +}; + +// nanoseconds +class F_formatter final : public flag_formatter +{ +public: + explicit F_formatter(padding_info padinfo) + : flag_formatter(padinfo){}; + + void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override + { + auto ns = fmt_helper::time_fraction(msg.time); + if (padinfo_.enabled()) + { + const size_t field_size = 9; + scoped_pad p(field_size, padinfo_, dest); + fmt_helper::pad9(static_cast(ns.count()), dest); + } + else + { + fmt_helper::pad9(static_cast(ns.count()), dest); + } + } +}; + +// seconds since epoch +class E_formatter final : public flag_formatter +{ +public: + explicit E_formatter(padding_info padinfo) + : flag_formatter(padinfo){}; + + void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override + { + const size_t field_size = 10; + scoped_pad p(field_size, padinfo_, dest); + auto duration = msg.time.time_since_epoch(); + auto seconds = std::chrono::duration_cast(duration).count(); + fmt_helper::append_int(seconds, dest); + } +}; + +// AM/PM +class p_formatter final : public flag_formatter +{ +public: + explicit p_formatter(padding_info padinfo) + : flag_formatter(padinfo){}; + + void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override + { + const size_t field_size = 2; + scoped_pad p(field_size, padinfo_, dest); + fmt_helper::append_string_view(ampm(tm_time), dest); + } +}; + +// 12 hour clock 02:55:02 pm +class r_formatter final : public flag_formatter +{ +public: + explicit r_formatter(padding_info padinfo) + : flag_formatter(padinfo){}; + + void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override + { + const size_t field_size = 11; + scoped_pad p(field_size, padinfo_, dest); + + fmt_helper::pad2(to12h(tm_time), dest); + dest.push_back(':'); + fmt_helper::pad2(tm_time.tm_min, dest); + dest.push_back(':'); + fmt_helper::pad2(tm_time.tm_sec, dest); + dest.push_back(' '); + fmt_helper::append_string_view(ampm(tm_time), dest); + } +}; + +// 24-hour HH:MM time, equivalent to %H:%M +class R_formatter final : public flag_formatter +{ +public: + explicit R_formatter(padding_info padinfo) + : flag_formatter(padinfo){}; + + void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override + { + const size_t field_size = 5; + scoped_pad p(field_size, padinfo_, dest); + + fmt_helper::pad2(tm_time.tm_hour, dest); + dest.push_back(':'); + fmt_helper::pad2(tm_time.tm_min, dest); + } +}; + +// ISO 8601 time format (HH:MM:SS), equivalent to %H:%M:%S +class T_formatter final : public flag_formatter +{ +public: + explicit T_formatter(padding_info padinfo) + : flag_formatter(padinfo){}; + + void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override + { + const size_t field_size = 8; + scoped_pad p(field_size, padinfo_, dest); + + fmt_helper::pad2(tm_time.tm_hour, dest); + dest.push_back(':'); + fmt_helper::pad2(tm_time.tm_min, dest); + dest.push_back(':'); + fmt_helper::pad2(tm_time.tm_sec, dest); + } +}; + +// ISO 8601 offset from UTC in timezone (+-HH:MM) +class z_formatter final : public flag_formatter +{ +public: + explicit z_formatter(padding_info padinfo) + : flag_formatter(padinfo){}; + + const std::chrono::seconds cache_refresh = std::chrono::seconds(5); + + z_formatter() = default; + z_formatter(const z_formatter &) = delete; + z_formatter &operator=(const z_formatter &) = delete; + + void format(const details::log_msg &msg, const std::tm &tm_time, fmt::memory_buffer &dest) override + { + const size_t field_size = 6; + scoped_pad p(field_size, padinfo_, dest); + +#ifdef _WIN32 + int total_minutes = get_cached_offset(msg, tm_time); +#else + // No need to chache under gcc, + // it is very fast (already stored in tm.tm_gmtoff) + (void)(msg); + int total_minutes = os::utc_minutes_offset(tm_time); +#endif + bool is_negative = total_minutes < 0; + if (is_negative) + { + total_minutes = -total_minutes; + dest.push_back('-'); + } + else + { + dest.push_back('+'); + } + + fmt_helper::pad2(total_minutes / 60, dest); // hours + dest.push_back(':'); + fmt_helper::pad2(total_minutes % 60, dest); // minutes + } + +private: + log_clock::time_point last_update_{std::chrono::seconds(0)}; +#ifdef _WIN32 + int offset_minutes_{0}; + + int get_cached_offset(const log_msg &msg, const std::tm &tm_time) + { + if (msg.time - last_update_ >= cache_refresh) + { + offset_minutes_ = os::utc_minutes_offset(tm_time); + last_update_ = msg.time; + } + return offset_minutes_; + } +#endif +}; + +// Thread id +class t_formatter final : public flag_formatter +{ +public: + explicit t_formatter(padding_info padinfo) + : flag_formatter(padinfo){}; + + void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override + { + if (padinfo_.enabled()) + { + const auto field_size = fmt_helper::count_digits(msg.thread_id); + scoped_pad p(field_size, padinfo_, dest); + fmt_helper::append_int(msg.thread_id, dest); + } + else + { + fmt_helper::append_int(msg.thread_id, dest); + } + } +}; + +// Current pid +class pid_formatter final : public flag_formatter +{ +public: + explicit pid_formatter(padding_info padinfo) + : flag_formatter(padinfo){}; + + void format(const details::log_msg &, const std::tm &, fmt::memory_buffer &dest) override + { + const auto pid = static_cast(details::os::pid()); + if (padinfo_.enabled()) + { + const size_t field_size = fmt::internal::count_digits(pid); + scoped_pad p(field_size, padinfo_, dest); + fmt_helper::append_int(pid, dest); + } + else + { + fmt_helper::append_int(pid, dest); + } + } +}; + +// message counter formatter +class i_formatter final : public flag_formatter +{ +public: + explicit i_formatter(padding_info padinfo) + : flag_formatter(padinfo){}; + + void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override + { + const size_t field_size = 6; + scoped_pad p(field_size, padinfo_, dest); + fmt_helper::pad6(msg.msg_id, dest); + } +}; + +class v_formatter final : public flag_formatter +{ +public: + explicit v_formatter(padding_info padinfo) + : flag_formatter(padinfo){}; + + void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override + { + if (padinfo_.enabled()) + { + scoped_pad p(msg.payload, padinfo_, dest); + fmt_helper::append_string_view(msg.payload, dest); + } + else + { + fmt_helper::append_string_view(msg.payload, dest); + } + } +}; + +class ch_formatter final : public flag_formatter +{ +public: + explicit ch_formatter(char ch) + : ch_(ch) + { + } + + void format(const details::log_msg &, const std::tm &, fmt::memory_buffer &dest) override + { + const size_t field_size = 1; + scoped_pad p(field_size, padinfo_, dest); + dest.push_back(ch_); + } + +private: + char ch_; +}; + +// aggregate user chars to display as is +class aggregate_formatter final : public flag_formatter +{ +public: + aggregate_formatter() = default; + + void add_ch(char ch) + { + str_ += ch; + } + void format(const details::log_msg &, const std::tm &, fmt::memory_buffer &dest) override + { + fmt_helper::append_string_view(str_, dest); + } + +private: + std::string str_; +}; + +// mark the color range. expect it to be in the form of "%^colored text%$" +class color_start_formatter final : public flag_formatter +{ +public: + explicit color_start_formatter(padding_info padinfo) + : flag_formatter(padinfo) + { + } + + void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override + { + msg.color_range_start = dest.size(); + } +}; +class color_stop_formatter final : public flag_formatter +{ +public: + explicit color_stop_formatter(padding_info padinfo) + : flag_formatter(padinfo) + { + } + + void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override + { + msg.color_range_end = dest.size(); + } +}; + +// print source location +class source_location_formatter final : public flag_formatter +{ +public: + explicit source_location_formatter(padding_info padinfo) + : flag_formatter(padinfo){}; + + void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override + { + if (msg.source.empty()) + { + return; + } + if (padinfo_.enabled()) + { + const auto text_size = std::char_traits::length(msg.source.filename) + fmt_helper::count_digits(msg.source.line) + 1; + scoped_pad p(text_size, padinfo_, dest); + fmt_helper::append_string_view(msg.source.filename, dest); + dest.push_back(':'); + fmt_helper::append_int(msg.source.line, dest); + } + else + { + fmt_helper::append_string_view(msg.source.filename, dest); + dest.push_back(':'); + fmt_helper::append_int(msg.source.line, dest); + } + } +}; +// print source filename +class source_filename_formatter final : public flag_formatter +{ +public: + explicit source_filename_formatter(padding_info padinfo) + : flag_formatter(padinfo){}; + + void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override + { + if (msg.source.empty()) + { + return; + } + scoped_pad p(msg.source.filename, padinfo_, dest); + fmt_helper::append_string_view(msg.source.filename, dest); + } +}; + +class source_linenum_formatter final : public flag_formatter +{ +public: + explicit source_linenum_formatter(padding_info padinfo) + : flag_formatter(padinfo){}; + + void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override + { + if (msg.source.empty()) + { + return; + } + if (padinfo_.enabled()) + { + const size_t field_size = fmt::internal::count_digits(msg.source.line); + scoped_pad p(field_size, padinfo_, dest); + fmt_helper::append_int(msg.source.line, dest); + } + else + { + fmt_helper::append_int(msg.source.line, dest); + } + } +}; + +// Full info formatter +// pattern: [%Y-%m-%d %H:%M:%S.%e] [%n] [%l] %v +class full_formatter final : public flag_formatter +{ +public: + explicit full_formatter(padding_info padinfo) + : flag_formatter(padinfo) + { + } + + void format(const details::log_msg &msg, const std::tm &tm_time, fmt::memory_buffer &dest) override + { + using std::chrono::duration_cast; + using std::chrono::milliseconds; + using std::chrono::seconds; + +#ifndef SPDLOG_NO_DATETIME + + // cache the date/time part for the next second. + auto duration = msg.time.time_since_epoch(); + auto secs = duration_cast(duration); + + if (cache_timestamp_ != secs || cached_datetime_.size() == 0) + { + cached_datetime_.clear(); + cached_datetime_.push_back('['); + fmt_helper::append_int(tm_time.tm_year + 1900, cached_datetime_); + cached_datetime_.push_back('-'); + + fmt_helper::pad2(tm_time.tm_mon + 1, cached_datetime_); + cached_datetime_.push_back('-'); + + fmt_helper::pad2(tm_time.tm_mday, cached_datetime_); + cached_datetime_.push_back(' '); + + fmt_helper::pad2(tm_time.tm_hour, cached_datetime_); + cached_datetime_.push_back(':'); + + fmt_helper::pad2(tm_time.tm_min, cached_datetime_); + cached_datetime_.push_back(':'); + + fmt_helper::pad2(tm_time.tm_sec, cached_datetime_); + cached_datetime_.push_back('.'); + + cache_timestamp_ = secs; + } + fmt_helper::append_buf(cached_datetime_, dest); + + auto millis = fmt_helper::time_fraction(msg.time); + fmt_helper::pad3(static_cast(millis.count()), dest); + dest.push_back(']'); + dest.push_back(' '); + +#else // no datetime needed + (void)tm_time; +#endif + +#ifndef SPDLOG_NO_NAME + if (!msg.logger_name->empty()) + { + dest.push_back('['); + // fmt_helper::append_str(*msg.logger_name, dest); + fmt_helper::append_string_view(*msg.logger_name, dest); + dest.push_back(']'); + dest.push_back(' '); + } +#endif + + dest.push_back('['); + // wrap the level name with color + msg.color_range_start = dest.size(); + // fmt_helper::append_string_view(level::to_c_str(msg.level), dest); + fmt_helper::append_string_view(level::to_string_view(msg.level), dest); + msg.color_range_end = dest.size(); + dest.push_back(']'); + dest.push_back(' '); + + // add source location if present + if (!msg.source.empty()) + { + dest.push_back('['); + fmt_helper::append_string_view(msg.source.filename, dest); + dest.push_back(':'); + fmt_helper::append_int(msg.source.line, dest); + dest.push_back(']'); + dest.push_back(' '); + } + // fmt_helper::append_string_view(msg.msg(), dest); + fmt_helper::append_string_view(msg.payload, dest); + } + +private: + std::chrono::seconds cache_timestamp_{0}; + fmt::basic_memory_buffer cached_datetime_; +}; + +} // namespace details + +class pattern_formatter final : public formatter +{ +public: + explicit pattern_formatter( + std::string pattern, pattern_time_type time_type = pattern_time_type::local, std::string eol = spdlog::details::os::default_eol) + : pattern_(std::move(pattern)) + , eol_(std::move(eol)) + , pattern_time_type_(time_type) + , last_log_secs_(0) + { + std::memset(&cached_tm_, 0, sizeof(cached_tm_)); + compile_pattern_(pattern_); + } + + // use by default full formatter for if pattern is not given + explicit pattern_formatter(pattern_time_type time_type = pattern_time_type::local, std::string eol = spdlog::details::os::default_eol) + : pattern_("%+") + , eol_(std::move(eol)) + , pattern_time_type_(time_type) + , last_log_secs_(0) + { + std::memset(&cached_tm_, 0, sizeof(cached_tm_)); + formatters_.push_back(details::make_unique(details::padding_info{})); + } + + pattern_formatter(const pattern_formatter &other) = delete; + pattern_formatter &operator=(const pattern_formatter &other) = delete; + + std::unique_ptr clone() const override + { + return details::make_unique(pattern_, pattern_time_type_, eol_); + } + + void format(const details::log_msg &msg, fmt::memory_buffer &dest) override + { +#ifndef SPDLOG_NO_DATETIME + auto secs = std::chrono::duration_cast(msg.time.time_since_epoch()); + if (secs != last_log_secs_) + { + cached_tm_ = get_time_(msg); + last_log_secs_ = secs; + } +#endif + for (auto &f : formatters_) + { + f->format(msg, cached_tm_, dest); + } + // write eol + details::fmt_helper::append_string_view(eol_, dest); + } + +private: + std::string pattern_; + std::string eol_; + pattern_time_type pattern_time_type_; + std::tm cached_tm_; + std::chrono::seconds last_log_secs_; + + std::vector> formatters_; + + std::tm get_time_(const details::log_msg &msg) + { + if (pattern_time_type_ == pattern_time_type::local) + { + return details::os::localtime(log_clock::to_time_t(msg.time)); + } + return details::os::gmtime(log_clock::to_time_t(msg.time)); + } + + void handle_flag_(char flag, details::padding_info padding) + { + switch (flag) + { + + case ('+'): // default formatter + formatters_.push_back(details::make_unique(padding)); + break; + + case 'n': // logger name + formatters_.push_back(details::make_unique(padding)); + break; + + case 'l': // level + formatters_.push_back(details::make_unique(padding)); + break; + + case 'L': // short level + formatters_.push_back(details::make_unique(padding)); + break; + + case ('t'): // thread id + formatters_.push_back(details::make_unique(padding)); + break; + + case ('v'): // the message text + formatters_.push_back(details::make_unique(padding)); + break; + + case ('a'): // weekday + formatters_.push_back(details::make_unique(padding)); + break; + + case ('A'): // short weekday + formatters_.push_back(details::make_unique(padding)); + break; + + case ('b'): + case ('h'): // month + formatters_.push_back(details::make_unique(padding)); + break; + + case ('B'): // short month + formatters_.push_back(details::make_unique(padding)); + break; + + case ('c'): // datetime + formatters_.push_back(details::make_unique(padding)); + break; + + case ('C'): // year 2 digits + formatters_.push_back(details::make_unique(padding)); + break; + + case ('Y'): // year 4 digits + formatters_.push_back(details::make_unique(padding)); + break; + + case ('D'): + case ('x'): // datetime MM/DD/YY + formatters_.push_back(details::make_unique(padding)); + break; + + case ('m'): // month 1-12 + formatters_.push_back(details::make_unique(padding)); + break; + + case ('d'): // day of month 1-31 + formatters_.push_back(details::make_unique(padding)); + break; + + case ('H'): // hours 24 + formatters_.push_back(details::make_unique(padding)); + break; + + case ('I'): // hours 12 + formatters_.push_back(details::make_unique(padding)); + break; + + case ('M'): // minutes + formatters_.push_back(details::make_unique(padding)); + break; + + case ('S'): // seconds + formatters_.push_back(details::make_unique(padding)); + break; + + case ('e'): // milliseconds + formatters_.push_back(details::make_unique(padding)); + break; + + case ('f'): // microseconds + formatters_.push_back(details::make_unique(padding)); + break; + + case ('F'): // nanoseconds + formatters_.push_back(details::make_unique(padding)); + break; + + case ('E'): // seconds since epoch + formatters_.push_back(details::make_unique(padding)); + break; + + case ('p'): // am/pm + formatters_.push_back(details::make_unique(padding)); + break; + + case ('r'): // 12 hour clock 02:55:02 pm + formatters_.push_back(details::make_unique(padding)); + break; + + case ('R'): // 24-hour HH:MM time + formatters_.push_back(details::make_unique(padding)); + break; + + case ('T'): + case ('X'): // ISO 8601 time format (HH:MM:SS) + formatters_.push_back(details::make_unique(padding)); + break; + + case ('z'): // timezone + formatters_.push_back(details::make_unique(padding)); + break; + + case ('P'): // pid + formatters_.push_back(details::make_unique(padding)); + break; + +#ifdef SPDLOG_ENABLE_MESSAGE_COUNTER + case ('i'): + formatters_.push_back(details::make_unique(padding)); + break; +#endif + case ('^'): // color range start + formatters_.push_back(details::make_unique(padding)); + break; + + case ('$'): // color range end + formatters_.push_back(details::make_unique(padding)); + break; + + case ('@'): // source location (filename:filenumber) + formatters_.push_back(details::make_unique(padding)); + break; + + case ('s'): // source filename + formatters_.push_back(details::make_unique(padding)); + break; + + case ('#'): // source line number + formatters_.push_back(details::make_unique(padding)); + break; + + case ('%'): // % char + formatters_.push_back(details::make_unique('%')); + break; + + default: // Unknown flag appears as is + auto unknown_flag = details::make_unique(); + unknown_flag->add_ch('%'); + unknown_flag->add_ch(flag); + formatters_.push_back((std::move(unknown_flag))); + break; + } + } + + // Extract given pad spec (e.g. %8X) + // Advance the given it pass the end of the padding spec found (if any) + // Return padding. + details::padding_info handle_padspec_(std::string::const_iterator &it, std::string::const_iterator end) + { + using details::padding_info; + using details::scoped_pad; + const size_t max_width = 128; + if (it == end) + { + return padding_info{}; + } + + padding_info::pad_side side; + switch (*it) + { + case '-': + side = padding_info::right; + ++it; + break; + case '=': + side = padding_info::center; + ++it; + break; + default: + side = details::padding_info::left; + break; + } + + if (it == end || !std::isdigit(static_cast(*it))) + { + return padding_info{0, side}; + } + + auto width = static_cast(*it - '0'); + for (++it; it != end && std::isdigit(static_cast(*it)); ++it) + { + auto digit = static_cast(*it - '0'); + width = width * 10 + digit; + } + return details::padding_info{std::min(width, max_width), side}; + } + + void compile_pattern_(const std::string &pattern) + { + auto end = pattern.end(); + std::unique_ptr user_chars; + formatters_.clear(); + for (auto it = pattern.begin(); it != end; ++it) + { + if (*it == '%') + { + if (user_chars) // append user chars found so far + { + formatters_.push_back(std::move(user_chars)); + } + + auto padding = handle_padspec_(++it, end); + + if (it != end) + { + handle_flag_(*it, padding); + } + else + { + break; + } + } + else // chars not following the % sign should be displayed as is + { + if (!user_chars) + { + user_chars = details::make_unique(); + } + user_chars->add_ch(*it); + } + } + if (user_chars) // append raw chars found so far + { + formatters_.push_back(std::move(user_chars)); + } + } +}; +} // namespace spdlog diff --git a/vendors/spdlog/details/periodic_worker.h b/vendors/spdlog/details/periodic_worker.h new file mode 100755 index 0000000..fa6488d --- /dev/null +++ b/vendors/spdlog/details/periodic_worker.h @@ -0,0 +1,71 @@ + +// +// Copyright(c) 2018 Gabi Melman. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) +// + +#pragma once + +// periodic worker thread - periodically executes the given callback function. +// +// RAII over the owned thread: +// creates the thread on construction. +// stops and joins the thread on destruction (if the thread is executing a callback, wait for it to finish first). + +#include +#include +#include +#include +#include +namespace spdlog { +namespace details { + +class periodic_worker +{ +public: + periodic_worker(const std::function &callback_fun, std::chrono::seconds interval) + { + active_ = (interval > std::chrono::seconds::zero()); + if (!active_) + { + return; + } + + worker_thread_ = std::thread([this, callback_fun, interval]() { + for (;;) + { + std::unique_lock lock(this->mutex_); + if (this->cv_.wait_for(lock, interval, [this] { return !this->active_; })) + { + return; // active_ == false, so exit this thread + } + callback_fun(); + } + }); + } + + periodic_worker(const periodic_worker &) = delete; + periodic_worker &operator=(const periodic_worker &) = delete; + + // stop the worker thread and join it + ~periodic_worker() + { + if (worker_thread_.joinable()) + { + { + std::lock_guard lock(mutex_); + active_ = false; + } + cv_.notify_one(); + worker_thread_.join(); + } + } + +private: + bool active_; + std::thread worker_thread_; + std::mutex mutex_; + std::condition_variable cv_; +}; +} // namespace details +} // namespace spdlog diff --git a/vendors/spdlog/details/registry.h b/vendors/spdlog/details/registry.h new file mode 100755 index 0000000..ccd5395 --- /dev/null +++ b/vendors/spdlog/details/registry.h @@ -0,0 +1,285 @@ +// +// Copyright(c) 2015 Gabi Melman. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) +// + +#pragma once + +// Loggers registy of unique name->logger pointer +// An attempt to create a logger with an already existing name will be ignored +// If user requests a non existing logger, nullptr will be returned +// This class is thread safe + +#include "spdlog/common.h" +#include "spdlog/details/periodic_worker.h" +#include "spdlog/logger.h" + +#ifndef SPDLOG_DISABLE_DEFAULT_LOGGER +// support for the default stdout color logger +#ifdef _WIN32 +#include "spdlog/sinks/wincolor_sink.h" +#else +#include "spdlog/sinks/ansicolor_sink.h" +#endif +#endif // SPDLOG_DISABLE_DEFAULT_LOGGER + +#include +#include +#include +#include +#include + +namespace spdlog { +namespace details { +class thread_pool; + +class registry +{ +public: + registry(const registry &) = delete; + registry &operator=(const registry &) = delete; + + void register_logger(std::shared_ptr new_logger) + { + std::lock_guard lock(logger_map_mutex_); + register_logger_(std::move(new_logger)); + } + + void initialize_logger(std::shared_ptr new_logger) + { + std::lock_guard lock(logger_map_mutex_); + new_logger->set_formatter(formatter_->clone()); + + if (err_handler_) + { + new_logger->set_error_handler(err_handler_); + } + + new_logger->set_level(level_); + new_logger->flush_on(flush_level_); + + if (automatic_registration_) + { + register_logger_(std::move(new_logger)); + } + } + + std::shared_ptr get(const std::string &logger_name) + { + std::lock_guard lock(logger_map_mutex_); + auto found = loggers_.find(logger_name); + return found == loggers_.end() ? nullptr : found->second; + } + + std::shared_ptr default_logger() + { + std::lock_guard lock(logger_map_mutex_); + return default_logger_; + } + + // Return raw ptr to the default logger. + // To be used directly by the spdlog default api (e.g. spdlog::info) + // This make the default API faster, but cannot be used concurrently with set_default_logger(). + // e.g do not call set_default_logger() from one thread while calling spdlog::info() from another. + logger *get_default_raw() + { + return default_logger_.get(); + } + + // set default logger. + // default logger is stored in default_logger_ (for faster retrieval) and in the loggers_ map. + void set_default_logger(std::shared_ptr new_default_logger) + { + std::lock_guard lock(logger_map_mutex_); + // remove previous default logger from the map + if (default_logger_ != nullptr) + { + loggers_.erase(default_logger_->name()); + } + if (new_default_logger != nullptr) + { + loggers_[new_default_logger->name()] = new_default_logger; + } + default_logger_ = std::move(new_default_logger); + } + + void set_tp(std::shared_ptr tp) + { + std::lock_guard lock(tp_mutex_); + tp_ = std::move(tp); + } + + std::shared_ptr get_tp() + { + std::lock_guard lock(tp_mutex_); + return tp_; + } + + // Set global formatter. Each sink in each logger will get a clone of this object + void set_formatter(std::unique_ptr formatter) + { + std::lock_guard lock(logger_map_mutex_); + formatter_ = std::move(formatter); + for (auto &l : loggers_) + { + l.second->set_formatter(formatter_->clone()); + } + } + + void set_level(level::level_enum log_level) + { + std::lock_guard lock(logger_map_mutex_); + for (auto &l : loggers_) + { + l.second->set_level(log_level); + } + level_ = log_level; + } + + void flush_on(level::level_enum log_level) + { + std::lock_guard lock(logger_map_mutex_); + for (auto &l : loggers_) + { + l.second->flush_on(log_level); + } + flush_level_ = log_level; + } + + void flush_every(std::chrono::seconds interval) + { + std::lock_guard lock(flusher_mutex_); + std::function clbk = std::bind(®istry::flush_all, this); + periodic_flusher_ = details::make_unique(clbk, interval); + } + + void set_error_handler(log_err_handler handler) + { + std::lock_guard lock(logger_map_mutex_); + for (auto &l : loggers_) + { + l.second->set_error_handler(handler); + } + err_handler_ = handler; + } + + void apply_all(const std::function)> &fun) + { + std::lock_guard lock(logger_map_mutex_); + for (auto &l : loggers_) + { + fun(l.second); + } + } + + void flush_all() + { + std::lock_guard lock(logger_map_mutex_); + for (auto &l : loggers_) + { + l.second->flush(); + } + } + + void drop(const std::string &logger_name) + { + std::lock_guard lock(logger_map_mutex_); + loggers_.erase(logger_name); + if (default_logger_ && default_logger_->name() == logger_name) + { + default_logger_.reset(); + } + } + + void drop_all() + { + std::lock_guard lock(logger_map_mutex_); + loggers_.clear(); + default_logger_.reset(); + } + + // clean all resources and threads started by the registry + void shutdown() + { + { + std::lock_guard lock(flusher_mutex_); + periodic_flusher_.reset(); + } + + drop_all(); + + { + std::lock_guard lock(tp_mutex_); + tp_.reset(); + } + } + + std::recursive_mutex &tp_mutex() + { + return tp_mutex_; + } + + void set_automatic_registration(bool automatic_regsistration) + { + std::lock_guard lock(logger_map_mutex_); + automatic_registration_ = automatic_regsistration; + } + + static registry &instance() + { + static registry s_instance; + return s_instance; + } + +private: + registry() + : formatter_(new pattern_formatter()) + { + +#ifndef SPDLOG_DISABLE_DEFAULT_LOGGER + // create default logger (ansicolor_stdout_sink_mt or wincolor_stdout_sink_mt in windows). +#ifdef _WIN32 + auto color_sink = std::make_shared(); +#else + auto color_sink = std::make_shared(); +#endif + + const char *default_logger_name = ""; + default_logger_ = std::make_shared(default_logger_name, std::move(color_sink)); + loggers_[default_logger_name] = default_logger_; + +#endif // SPDLOG_DISABLE_DEFAULT_LOGGER + } + + ~registry() = default; + + void throw_if_exists_(const std::string &logger_name) + { + if (loggers_.find(logger_name) != loggers_.end()) + { + throw spdlog_ex("logger with name '" + logger_name + "' already exists"); + } + } + + void register_logger_(std::shared_ptr new_logger) + { + auto logger_name = new_logger->name(); + throw_if_exists_(logger_name); + loggers_[logger_name] = std::move(new_logger); + } + + std::mutex logger_map_mutex_, flusher_mutex_; + std::recursive_mutex tp_mutex_; + std::unordered_map> loggers_; + std::unique_ptr formatter_; + level::level_enum level_ = spdlog::logger::default_level(); + level::level_enum flush_level_ = level::off; + log_err_handler err_handler_; + std::shared_ptr tp_; + std::unique_ptr periodic_flusher_; + std::shared_ptr default_logger_; + bool automatic_registration_ = true; +}; + +} // namespace details +} // namespace spdlog diff --git a/vendors/spdlog/details/thread_pool.h b/vendors/spdlog/details/thread_pool.h new file mode 100755 index 0000000..3557897 --- /dev/null +++ b/vendors/spdlog/details/thread_pool.h @@ -0,0 +1,238 @@ +#pragma once + +#include "spdlog/details/fmt_helper.h" +#include "spdlog/details/log_msg.h" +#include "spdlog/details/mpmc_blocking_q.h" +#include "spdlog/details/os.h" + +#include +#include +#include +#include + +namespace spdlog { +namespace details { + +using async_logger_ptr = std::shared_ptr; + +enum class async_msg_type +{ + log, + flush, + terminate +}; + +// Async msg to move to/from the queue +// Movable only. should never be copied +struct async_msg +{ + async_msg_type msg_type; + level::level_enum level; + log_clock::time_point time; + size_t thread_id; + fmt::basic_memory_buffer raw; + + size_t msg_id; + source_loc source; + async_logger_ptr worker_ptr; + + async_msg() = default; + ~async_msg() = default; + + // should only be moved in or out of the queue.. + async_msg(const async_msg &) = delete; + +// support for vs2013 move +#if defined(_MSC_VER) && _MSC_VER <= 1800 + async_msg(async_msg &&other) SPDLOG_NOEXCEPT : msg_type(other.msg_type), + level(other.level), + time(other.time), + thread_id(other.thread_id), + raw(move(other.raw)), + msg_id(other.msg_id), + source(other.source), + worker_ptr(std::move(other.worker_ptr)) + { + } + + async_msg &operator=(async_msg &&other) SPDLOG_NOEXCEPT + { + msg_type = other.msg_type; + level = other.level; + time = other.time; + thread_id = other.thread_id; + raw = std::move(other.raw); + msg_id = other.msg_id; + source = other.source; + worker_ptr = std::move(other.worker_ptr); + return *this; + } +#else // (_MSC_VER) && _MSC_VER <= 1800 + async_msg(async_msg &&) = default; + async_msg &operator=(async_msg &&) = default; +#endif + + // construct from log_msg with given type + async_msg(async_logger_ptr &&worker, async_msg_type the_type, details::log_msg &m) + : msg_type(the_type) + , level(m.level) + , time(m.time) + , thread_id(m.thread_id) + , msg_id(m.msg_id) + , source(m.source) + , worker_ptr(std::move(worker)) + { + fmt_helper::append_string_view(m.payload, raw); + } + + async_msg(async_logger_ptr &&worker, async_msg_type the_type) + : msg_type(the_type) + , level(level::off) + , time() + , thread_id(0) + , msg_id(0) + , source() + , worker_ptr(std::move(worker)) + { + } + + explicit async_msg(async_msg_type the_type) + : async_msg(nullptr, the_type) + { + } + + // copy into log_msg + log_msg to_log_msg() + { + log_msg msg(&worker_ptr->name(), level, string_view_t(raw.data(), raw.size())); + msg.time = time; + msg.thread_id = thread_id; + msg.msg_id = msg_id; + msg.source = source; + msg.color_range_start = 0; + msg.color_range_end = 0; + return msg; + } +}; + +class thread_pool +{ +public: + using item_type = async_msg; + using q_type = details::mpmc_blocking_queue; + + thread_pool(size_t q_max_items, size_t threads_n) + : q_(q_max_items) + { + // std::cout << "thread_pool() q_size_bytes: " << q_size_bytes << + // "\tthreads_n: " << threads_n << std::endl; + if (threads_n == 0 || threads_n > 1000) + { + throw spdlog_ex("spdlog::thread_pool(): invalid threads_n param (valid " + "range is 1-1000)"); + } + for (size_t i = 0; i < threads_n; i++) + { + threads_.emplace_back(&thread_pool::worker_loop_, this); + } + } + + // message all threads to terminate gracefully join them + ~thread_pool() + { + try + { + for (size_t i = 0; i < threads_.size(); i++) + { + post_async_msg_(async_msg(async_msg_type::terminate), async_overflow_policy::block); + } + + for (auto &t : threads_) + { + t.join(); + } + } + catch (...) + { + } + } + + thread_pool(const thread_pool &) = delete; + thread_pool &operator=(thread_pool &&) = delete; + + void post_log(async_logger_ptr &&worker_ptr, details::log_msg &msg, async_overflow_policy overflow_policy) + { + async_msg async_m(std::move(worker_ptr), async_msg_type::log, msg); + post_async_msg_(std::move(async_m), overflow_policy); + } + + void post_flush(async_logger_ptr &&worker_ptr, async_overflow_policy overflow_policy) + { + post_async_msg_(async_msg(std::move(worker_ptr), async_msg_type::flush), overflow_policy); + } + + size_t overrun_counter() + { + return q_.overrun_counter(); + } + +private: + q_type q_; + + std::vector threads_; + + void post_async_msg_(async_msg &&new_msg, async_overflow_policy overflow_policy) + { + if (overflow_policy == async_overflow_policy::block) + { + q_.enqueue(std::move(new_msg)); + } + else + { + q_.enqueue_nowait(std::move(new_msg)); + } + } + + void worker_loop_() + { + while (process_next_msg_()) {}; + } + + // process next message in the queue + // return true if this thread should still be active (while no terminate msg + // was received) + bool process_next_msg_() + { + async_msg incoming_async_msg; + bool dequeued = q_.dequeue_for(incoming_async_msg, std::chrono::seconds(10)); + if (!dequeued) + { + return true; + } + + switch (incoming_async_msg.msg_type) + { + case async_msg_type::log: + { + auto msg = incoming_async_msg.to_log_msg(); + incoming_async_msg.worker_ptr->backend_log_(msg); + return true; + } + case async_msg_type::flush: + { + incoming_async_msg.worker_ptr->backend_flush_(); + return true; + } + + case async_msg_type::terminate: + { + return false; + } + } + assert(false && "Unexpected async_msg_type"); + return true; + } +}; + +} // namespace details +} // namespace spdlog diff --git a/vendors/spdlog/fmt/bin_to_hex.h b/vendors/spdlog/fmt/bin_to_hex.h new file mode 100755 index 0000000..3523380 --- /dev/null +++ b/vendors/spdlog/fmt/bin_to_hex.h @@ -0,0 +1,172 @@ +// +// Copyright(c) 2015 Gabi Melman. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) +// + +#pragma once + +// +// Support for logging binary data as hex +// format flags: +// {:X} - print in uppercase. +// {:s} - don't separate each byte with space. +// {:p} - don't print the position on each line start. +// {:n} - don't split the output to lines. + +// +// Examples: +// +// std::vector v(200, 0x0b); +// logger->info("Some buffer {}", spdlog::to_hex(v)); +// char buf[128]; +// logger->info("Some buffer {:X}", spdlog::to_hex(std::begin(buf), std::end(buf))); + +namespace spdlog { +namespace details { + +template +class bytes_range +{ +public: + bytes_range(It range_begin, It range_end) + : begin_(range_begin) + , end_(range_end) + { + } + + It begin() const + { + return begin_; + } + It end() const + { + return end_; + } + +private: + It begin_, end_; +}; +} // namespace details + +// create a bytes_range that wraps the given container +template +inline details::bytes_range to_hex(const Container &container) +{ + static_assert(sizeof(typename Container::value_type) == 1, "sizeof(Container::value_type) != 1"); + using Iter = typename Container::const_iterator; + return details::bytes_range(std::begin(container), std::end(container)); +} + +// create bytes_range from ranges +template +inline details::bytes_range to_hex(const It range_begin, const It range_end) +{ + return details::bytes_range(range_begin, range_end); +} + +} // namespace spdlog + +namespace fmt { + +template +struct formatter> +{ + const std::size_t line_size = 100; + const char delimiter = ' '; + + bool put_newlines = true; + bool put_delimiters = true; + bool use_uppercase = false; + bool put_positions = true; // position on start of each line + + // parse the format string flags + template + auto parse(ParseContext &ctx) -> decltype(ctx.begin()) + { + auto it = ctx.begin(); + while (*it && *it != '}') + { + switch (*it) + { + case 'X': + use_uppercase = true; + break; + case 's': + put_delimiters = false; + break; + case 'p': + put_positions = false; + break; + case 'n': + put_newlines = false; + break; + } + + ++it; + } + return it; + } + + // format the given bytes range as hex + template + auto format(const spdlog::details::bytes_range &the_range, FormatContext &ctx) -> decltype(ctx.out()) + { + SPDLOG_CONSTEXPR const char *hex_upper = "0123456789ABCDEF"; + SPDLOG_CONSTEXPR const char *hex_lower = "0123456789abcdef"; + const char *hex_chars = use_uppercase ? hex_upper : hex_lower; + + std::size_t pos = 0; + std::size_t column = line_size; + auto inserter = ctx.begin(); + + for (auto &item : the_range) + { + auto ch = static_cast(item); + pos++; + + if (put_newlines && column >= line_size) + { + column = put_newline(inserter, pos); + + // put first byte without delimiter in front of it + *inserter++ = hex_chars[(ch >> 4) & 0x0f]; + *inserter++ = hex_chars[ch & 0x0f]; + column += 2; + continue; + } + + if (put_delimiters) + { + *inserter++ = delimiter; + ++column; + } + + *inserter++ = hex_chars[(ch >> 4) & 0x0f]; + *inserter++ = hex_chars[ch & 0x0f]; + column += 2; + } + return inserter; + } + + // put newline(and position header) + // return the next column + template + std::size_t put_newline(It inserter, std::size_t pos) + { +#ifdef _WIN32 + *inserter++ = '\r'; +#endif + *inserter++ = '\n'; + + if (put_positions) + { + fmt::format_to(inserter, "{:<04X}: ", pos - 1); + return 7; + } + else + { + return 1; + } + } +}; +} // namespace fmt diff --git a/vendors/spdlog/fmt/bundled/LICENSE.rst b/vendors/spdlog/fmt/bundled/LICENSE.rst new file mode 100755 index 0000000..eb6be65 --- /dev/null +++ b/vendors/spdlog/fmt/bundled/LICENSE.rst @@ -0,0 +1,23 @@ +Copyright (c) 2012 - 2016, Victor Zverovich + +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + +1. Redistributions of source code must retain the above copyright notice, this + list of conditions and the following disclaimer. +2. Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND +ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR +ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/vendors/spdlog/fmt/bundled/colors.h b/vendors/spdlog/fmt/bundled/colors.h new file mode 100755 index 0000000..003a667 --- /dev/null +++ b/vendors/spdlog/fmt/bundled/colors.h @@ -0,0 +1,257 @@ +// Formatting library for C++ - the core API +// +// Copyright (c) 2012 - present, Victor Zverovich +// All rights reserved. +// +// For the license information refer to format.h. +// +// Copyright (c) 2018 - present, Remotion (Igor Schulz) +// All Rights Reserved +// {fmt} support for rgb color output. + +#ifndef FMT_COLORS_H_ +#define FMT_COLORS_H_ + +#include "format.h" + +FMT_BEGIN_NAMESPACE + +// rgb is a struct for red, green and blue colors. +// We use rgb as name because some editors will show it as color direct in the +// editor. +struct rgb +{ + FMT_CONSTEXPR_DECL rgb() + : r(0) + , g(0) + , b(0) + { + } + FMT_CONSTEXPR_DECL rgb(uint8_t r_, uint8_t g_, uint8_t b_) + : r(r_) + , g(g_) + , b(b_) + { + } + FMT_CONSTEXPR_DECL rgb(uint32_t hex) + : r((hex >> 16) & 0xFF) + , g((hex >> 8) & 0xFF) + , b((hex)&0xFF) + { + } + uint8_t r; + uint8_t g; + uint8_t b; +}; + +namespace internal { + +FMT_CONSTEXPR inline void to_esc(uint8_t c, char out[], int offset) +{ + out[offset + 0] = static_cast('0' + c / 100); + out[offset + 1] = static_cast('0' + c / 10 % 10); + out[offset + 2] = static_cast('0' + c % 10); +} + +} // namespace internal + +FMT_FUNC void vprint_rgb(rgb fd, string_view format, format_args args) +{ + char escape_fd[] = "\x1b[38;2;000;000;000m"; + static FMT_CONSTEXPR_DECL const char RESET_COLOR[] = "\x1b[0m"; + internal::to_esc(fd.r, escape_fd, 7); + internal::to_esc(fd.g, escape_fd, 11); + internal::to_esc(fd.b, escape_fd, 15); + + std::fputs(escape_fd, stdout); + vprint(format, args); + std::fputs(RESET_COLOR, stdout); +} + +FMT_FUNC void vprint_rgb(rgb fd, rgb bg, string_view format, format_args args) +{ + char escape_fd[] = "\x1b[38;2;000;000;000m"; // foreground color + char escape_bg[] = "\x1b[48;2;000;000;000m"; // background color + static FMT_CONSTEXPR_DECL const char RESET_COLOR[] = "\x1b[0m"; + internal::to_esc(fd.r, escape_fd, 7); + internal::to_esc(fd.g, escape_fd, 11); + internal::to_esc(fd.b, escape_fd, 15); + + internal::to_esc(bg.r, escape_bg, 7); + internal::to_esc(bg.g, escape_bg, 11); + internal::to_esc(bg.b, escape_bg, 15); + + std::fputs(escape_fd, stdout); + std::fputs(escape_bg, stdout); + vprint(format, args); + std::fputs(RESET_COLOR, stdout); +} + +template +inline void print_rgb(rgb fd, string_view format_str, const Args &... args) +{ + vprint_rgb(fd, format_str, make_format_args(args...)); +} + +// rgb foreground color +template +inline void print(rgb fd, string_view format_str, const Args &... args) +{ + vprint_rgb(fd, format_str, make_format_args(args...)); +} + +// rgb foreground color and background color +template +inline void print(rgb fd, rgb bg, string_view format_str, const Args &... args) +{ + vprint_rgb(fd, bg, format_str, make_format_args(args...)); +} + +enum class color : uint32_t +{ + alice_blue = 0xF0F8FF, // rgb(240,248,255) + antique_white = 0xFAEBD7, // rgb(250,235,215) + aqua = 0x00FFFF, // rgb(0,255,255) + aquamarine = 0x7FFFD4, // rgb(127,255,212) + azure = 0xF0FFFF, // rgb(240,255,255) + beige = 0xF5F5DC, // rgb(245,245,220) + bisque = 0xFFE4C4, // rgb(255,228,196) + black = 0x000000, // rgb(0,0,0) + blanched_almond = 0xFFEBCD, // rgb(255,235,205) + blue = 0x0000FF, // rgb(0,0,255) + blue_violet = 0x8A2BE2, // rgb(138,43,226) + brown = 0xA52A2A, // rgb(165,42,42) + burly_wood = 0xDEB887, // rgb(222,184,135) + cadet_blue = 0x5F9EA0, // rgb(95,158,160) + chartreuse = 0x7FFF00, // rgb(127,255,0) + chocolate = 0xD2691E, // rgb(210,105,30) + coral = 0xFF7F50, // rgb(255,127,80) + cornflower_blue = 0x6495ED, // rgb(100,149,237) + cornsilk = 0xFFF8DC, // rgb(255,248,220) + crimson = 0xDC143C, // rgb(220,20,60) + cyan = 0x00FFFF, // rgb(0,255,255) + dark_blue = 0x00008B, // rgb(0,0,139) + dark_cyan = 0x008B8B, // rgb(0,139,139) + dark_golden_rod = 0xB8860B, // rgb(184,134,11) + dark_gray = 0xA9A9A9, // rgb(169,169,169) + dark_green = 0x006400, // rgb(0,100,0) + dark_khaki = 0xBDB76B, // rgb(189,183,107) + dark_magenta = 0x8B008B, // rgb(139,0,139) + dark_olive_green = 0x556B2F, // rgb(85,107,47) + dark_orange = 0xFF8C00, // rgb(255,140,0) + dark_orchid = 0x9932CC, // rgb(153,50,204) + dark_red = 0x8B0000, // rgb(139,0,0) + dark_salmon = 0xE9967A, // rgb(233,150,122) + dark_sea_green = 0x8FBC8F, // rgb(143,188,143) + dark_slate_blue = 0x483D8B, // rgb(72,61,139) + dark_slate_gray = 0x2F4F4F, // rgb(47,79,79) + dark_turquoise = 0x00CED1, // rgb(0,206,209) + dark_violet = 0x9400D3, // rgb(148,0,211) + deep_pink = 0xFF1493, // rgb(255,20,147) + deep_sky_blue = 0x00BFFF, // rgb(0,191,255) + dim_gray = 0x696969, // rgb(105,105,105) + dodger_blue = 0x1E90FF, // rgb(30,144,255) + fire_brick = 0xB22222, // rgb(178,34,34) + floral_white = 0xFFFAF0, // rgb(255,250,240) + forest_green = 0x228B22, // rgb(34,139,34) + fuchsia = 0xFF00FF, // rgb(255,0,255) + gainsboro = 0xDCDCDC, // rgb(220,220,220) + ghost_white = 0xF8F8FF, // rgb(248,248,255) + gold = 0xFFD700, // rgb(255,215,0) + golden_rod = 0xDAA520, // rgb(218,165,32) + gray = 0x808080, // rgb(128,128,128) + green = 0x008000, // rgb(0,128,0) + green_yellow = 0xADFF2F, // rgb(173,255,47) + honey_dew = 0xF0FFF0, // rgb(240,255,240) + hot_pink = 0xFF69B4, // rgb(255,105,180) + indian_red = 0xCD5C5C, // rgb(205,92,92) + indigo = 0x4B0082, // rgb(75,0,130) + ivory = 0xFFFFF0, // rgb(255,255,240) + khaki = 0xF0E68C, // rgb(240,230,140) + lavender = 0xE6E6FA, // rgb(230,230,250) + lavender_blush = 0xFFF0F5, // rgb(255,240,245) + lawn_green = 0x7CFC00, // rgb(124,252,0) + lemon_chiffon = 0xFFFACD, // rgb(255,250,205) + light_blue = 0xADD8E6, // rgb(173,216,230) + light_coral = 0xF08080, // rgb(240,128,128) + light_cyan = 0xE0FFFF, // rgb(224,255,255) + light_golden_rod_yellow = 0xFAFAD2, // rgb(250,250,210) + light_gray = 0xD3D3D3, // rgb(211,211,211) + light_green = 0x90EE90, // rgb(144,238,144) + light_pink = 0xFFB6C1, // rgb(255,182,193) + light_salmon = 0xFFA07A, // rgb(255,160,122) + light_sea_green = 0x20B2AA, // rgb(32,178,170) + light_sky_blue = 0x87CEFA, // rgb(135,206,250) + light_slate_gray = 0x778899, // rgb(119,136,153) + light_steel_blue = 0xB0C4DE, // rgb(176,196,222) + light_yellow = 0xFFFFE0, // rgb(255,255,224) + lime = 0x00FF00, // rgb(0,255,0) + lime_green = 0x32CD32, // rgb(50,205,50) + linen = 0xFAF0E6, // rgb(250,240,230) + magenta = 0xFF00FF, // rgb(255,0,255) + maroon = 0x800000, // rgb(128,0,0) + medium_aqua_marine = 0x66CDAA, // rgb(102,205,170) + medium_blue = 0x0000CD, // rgb(0,0,205) + medium_orchid = 0xBA55D3, // rgb(186,85,211) + medium_purple = 0x9370DB, // rgb(147,112,219) + medium_sea_green = 0x3CB371, // rgb(60,179,113) + medium_slate_blue = 0x7B68EE, // rgb(123,104,238) + medium_spring_green = 0x00FA9A, // rgb(0,250,154) + medium_turquoise = 0x48D1CC, // rgb(72,209,204) + medium_violet_red = 0xC71585, // rgb(199,21,133) + midnight_blue = 0x191970, // rgb(25,25,112) + mint_cream = 0xF5FFFA, // rgb(245,255,250) + misty_rose = 0xFFE4E1, // rgb(255,228,225) + moccasin = 0xFFE4B5, // rgb(255,228,181) + navajo_white = 0xFFDEAD, // rgb(255,222,173) + navy = 0x000080, // rgb(0,0,128) + old_lace = 0xFDF5E6, // rgb(253,245,230) + olive = 0x808000, // rgb(128,128,0) + olive_drab = 0x6B8E23, // rgb(107,142,35) + orange = 0xFFA500, // rgb(255,165,0) + orange_red = 0xFF4500, // rgb(255,69,0) + orchid = 0xDA70D6, // rgb(218,112,214) + pale_golden_rod = 0xEEE8AA, // rgb(238,232,170) + pale_green = 0x98FB98, // rgb(152,251,152) + pale_turquoise = 0xAFEEEE, // rgb(175,238,238) + pale_violet_red = 0xDB7093, // rgb(219,112,147) + papaya_whip = 0xFFEFD5, // rgb(255,239,213) + peach_puff = 0xFFDAB9, // rgb(255,218,185) + peru = 0xCD853F, // rgb(205,133,63) + pink = 0xFFC0CB, // rgb(255,192,203) + plum = 0xDDA0DD, // rgb(221,160,221) + powder_blue = 0xB0E0E6, // rgb(176,224,230) + purple = 0x800080, // rgb(128,0,128) + rebecca_purple = 0x663399, // rgb(102,51,153) + red = 0xFF0000, // rgb(255,0,0) + rosy_brown = 0xBC8F8F, // rgb(188,143,143) + royal_blue = 0x4169E1, // rgb(65,105,225) + saddle_brown = 0x8B4513, // rgb(139,69,19) + salmon = 0xFA8072, // rgb(250,128,114) + sandy_brown = 0xF4A460, // rgb(244,164,96) + sea_green = 0x2E8B57, // rgb(46,139,87) + sea_shell = 0xFFF5EE, // rgb(255,245,238) + sienna = 0xA0522D, // rgb(160,82,45) + silver = 0xC0C0C0, // rgb(192,192,192) + sky_blue = 0x87CEEB, // rgb(135,206,235) + slate_blue = 0x6A5ACD, // rgb(106,90,205) + slate_gray = 0x708090, // rgb(112,128,144) + snow = 0xFFFAFA, // rgb(255,250,250) + spring_green = 0x00FF7F, // rgb(0,255,127) + steel_blue = 0x4682B4, // rgb(70,130,180) + tan = 0xD2B48C, // rgb(210,180,140) + teal = 0x008080, // rgb(0,128,128) + thistle = 0xD8BFD8, // rgb(216,191,216) + tomato = 0xFF6347, // rgb(255,99,71) + turquoise = 0x40E0D0, // rgb(64,224,208) + violet = 0xEE82EE, // rgb(238,130,238) + wheat = 0xF5DEB3, // rgb(245,222,179) + white = 0xFFFFFF, // rgb(255,255,255) + white_smoke = 0xF5F5F5, // rgb(245,245,245) + yellow = 0xFFFF00, // rgb(255,255,0) + yellow_green = 0x9ACD32, // rgb(154,205,50) +}; // enum class colors + +FMT_END_NAMESPACE + +#endif // FMT_COLORS_H_ diff --git a/vendors/spdlog/fmt/bundled/core.h b/vendors/spdlog/fmt/bundled/core.h new file mode 100755 index 0000000..5912afe --- /dev/null +++ b/vendors/spdlog/fmt/bundled/core.h @@ -0,0 +1,1502 @@ +// Formatting library for C++ - the core API +// +// Copyright (c) 2012 - present, Victor Zverovich +// All rights reserved. +// +// For the license information refer to format.h. + +#ifndef FMT_CORE_H_ +#define FMT_CORE_H_ + +#include +#include // std::FILE +#include +#include +#include +#include + +// The fmt library version in the form major * 10000 + minor * 100 + patch. +#define FMT_VERSION 50201 + +#ifdef __has_feature +# define FMT_HAS_FEATURE(x) __has_feature(x) +#else +# define FMT_HAS_FEATURE(x) 0 +#endif + +#if defined(__has_include) && !defined(__INTELLISENSE__) && \ + (!defined(__INTEL_COMPILER) || __INTEL_COMPILER >= 1600) +# define FMT_HAS_INCLUDE(x) __has_include(x) +#else +# define FMT_HAS_INCLUDE(x) 0 +#endif + +#ifdef __has_cpp_attribute +# define FMT_HAS_CPP_ATTRIBUTE(x) __has_cpp_attribute(x) +#else +# define FMT_HAS_CPP_ATTRIBUTE(x) 0 +#endif + +#if defined(__GNUC__) && !defined(__clang__) +# define FMT_GCC_VERSION (__GNUC__ * 100 + __GNUC_MINOR__) +#else +# define FMT_GCC_VERSION 0 +#endif + +#if __cplusplus >= 201103L || defined(__GXX_EXPERIMENTAL_CXX0X__) +# define FMT_HAS_GXX_CXX11 FMT_GCC_VERSION +#else +# define FMT_HAS_GXX_CXX11 0 +#endif + +#ifdef _MSC_VER +# define FMT_MSC_VER _MSC_VER +#else +# define FMT_MSC_VER 0 +#endif + +// Check if relaxed C++14 constexpr is supported. +// GCC doesn't allow throw in constexpr until version 6 (bug 67371). +#ifndef FMT_USE_CONSTEXPR +# define FMT_USE_CONSTEXPR \ + (FMT_HAS_FEATURE(cxx_relaxed_constexpr) || FMT_MSC_VER >= 1910 || \ + (FMT_GCC_VERSION >= 600 && __cplusplus >= 201402L)) +#endif +#if FMT_USE_CONSTEXPR +# define FMT_CONSTEXPR constexpr +# define FMT_CONSTEXPR_DECL constexpr +#else +# define FMT_CONSTEXPR inline +# define FMT_CONSTEXPR_DECL +#endif + +#ifndef FMT_USE_CONSTEXPR11 +# define FMT_USE_CONSTEXPR11 \ + (FMT_MSC_VER >= 1900 || FMT_GCC_VERSION >= 406 || FMT_USE_CONSTEXPR) +#endif +#if FMT_USE_CONSTEXPR11 +# define FMT_CONSTEXPR11 constexpr +#else +# define FMT_CONSTEXPR11 +#endif + +#ifndef FMT_OVERRIDE +# if FMT_HAS_FEATURE(cxx_override) || \ + (FMT_GCC_VERSION >= 408 && FMT_HAS_GXX_CXX11) || FMT_MSC_VER >= 1900 +# define FMT_OVERRIDE override +# else +# define FMT_OVERRIDE +# endif +#endif + +#if FMT_HAS_FEATURE(cxx_explicit_conversions) || FMT_MSC_VER >= 1800 +# define FMT_EXPLICIT explicit +#else +# define FMT_EXPLICIT +#endif + +#ifndef FMT_NULL +# if FMT_HAS_FEATURE(cxx_nullptr) || \ + (FMT_GCC_VERSION >= 408 && FMT_HAS_GXX_CXX11) || FMT_MSC_VER >= 1600 +# define FMT_NULL nullptr +# define FMT_USE_NULLPTR 1 +# else +# define FMT_NULL NULL +# endif +#endif + +#ifndef FMT_USE_NULLPTR +# define FMT_USE_NULLPTR 0 +#endif + +#if FMT_HAS_CPP_ATTRIBUTE(noreturn) +# define FMT_NORETURN [[noreturn]] +#else +# define FMT_NORETURN +#endif + +// Check if exceptions are disabled. +#if defined(__GNUC__) && !defined(__EXCEPTIONS) +# define FMT_EXCEPTIONS 0 +#elif FMT_MSC_VER && !_HAS_EXCEPTIONS +# define FMT_EXCEPTIONS 0 +#endif +#ifndef FMT_EXCEPTIONS +# define FMT_EXCEPTIONS 1 +#endif + +// Define FMT_USE_NOEXCEPT to make fmt use noexcept (C++11 feature). +#ifndef FMT_USE_NOEXCEPT +# define FMT_USE_NOEXCEPT 0 +#endif + +#if FMT_USE_NOEXCEPT || FMT_HAS_FEATURE(cxx_noexcept) || \ + (FMT_GCC_VERSION >= 408 && FMT_HAS_GXX_CXX11) || FMT_MSC_VER >= 1900 +# define FMT_DETECTED_NOEXCEPT noexcept +# define FMT_HAS_CXX11_NOEXCEPT 1 +#else +# define FMT_DETECTED_NOEXCEPT throw() +# define FMT_HAS_CXX11_NOEXCEPT 0 +#endif + +#ifndef FMT_NOEXCEPT +# if FMT_EXCEPTIONS || FMT_HAS_CXX11_NOEXCEPT +# define FMT_NOEXCEPT FMT_DETECTED_NOEXCEPT +# else +# define FMT_NOEXCEPT +# endif +#endif + +// This is needed because GCC still uses throw() in its headers when exceptions +// are disabled. +#if FMT_GCC_VERSION +# define FMT_DTOR_NOEXCEPT FMT_DETECTED_NOEXCEPT +#else +# define FMT_DTOR_NOEXCEPT FMT_NOEXCEPT +#endif + +#ifndef FMT_BEGIN_NAMESPACE +# if FMT_HAS_FEATURE(cxx_inline_namespaces) || FMT_GCC_VERSION >= 404 || \ + FMT_MSC_VER >= 1900 +# define FMT_INLINE_NAMESPACE inline namespace +# define FMT_END_NAMESPACE }} +# else +# define FMT_INLINE_NAMESPACE namespace +# define FMT_END_NAMESPACE } using namespace v5; } +# endif +# define FMT_BEGIN_NAMESPACE namespace fmt { FMT_INLINE_NAMESPACE v5 { +#endif + +#if !defined(FMT_HEADER_ONLY) && defined(_WIN32) +# ifdef FMT_EXPORT +# define FMT_API __declspec(dllexport) +# elif defined(FMT_SHARED) +# define FMT_API __declspec(dllimport) +# endif +#endif +#ifndef FMT_API +# define FMT_API +#endif + +#ifndef FMT_ASSERT +# define FMT_ASSERT(condition, message) assert((condition) && message) +#endif + +// libc++ supports string_view in pre-c++17. +#if (FMT_HAS_INCLUDE() && \ + (__cplusplus > 201402L || defined(_LIBCPP_VERSION))) || \ + (defined(_MSVC_LANG) && _MSVC_LANG > 201402L && _MSC_VER >= 1910) +# include +# define FMT_USE_STD_STRING_VIEW +#elif (FMT_HAS_INCLUDE() && \ + __cplusplus >= 201402L) +# include +# define FMT_USE_EXPERIMENTAL_STRING_VIEW +#endif + +// std::result_of is defined in in gcc 4.4. +#if FMT_GCC_VERSION && FMT_GCC_VERSION <= 404 +# include +#endif + +FMT_BEGIN_NAMESPACE +namespace internal { + +// An implementation of declval for pre-C++11 compilers such as gcc 4. +template +typename std::add_rvalue_reference::type declval() FMT_NOEXCEPT; + +template +struct result_of; + +template +struct result_of { + // A workaround for gcc 4.4 that doesn't allow F to be a reference. + typedef typename std::result_of< + typename std::remove_reference::type(Args...)>::type type; +}; + +// Casts nonnegative integer to unsigned. +template +FMT_CONSTEXPR typename std::make_unsigned::type to_unsigned(Int value) { + FMT_ASSERT(value >= 0, "negative value"); + return static_cast::type>(value); +} + +// A constexpr std::char_traits::length replacement for pre-C++17. +template +FMT_CONSTEXPR size_t length(const Char *s) { + const Char *start = s; + while (*s) ++s; + return s - start; +} +#if FMT_GCC_VERSION +FMT_CONSTEXPR size_t length(const char *s) { return std::strlen(s); } +#endif +} // namespace internal + +/** + An implementation of ``std::basic_string_view`` for pre-C++17. It provides a + subset of the API. ``fmt::basic_string_view`` is used for format strings even + if ``std::string_view`` is available to prevent issues when a library is + compiled with a different ``-std`` option than the client code (which is not + recommended). + */ +template +class basic_string_view { + private: + const Char *data_; + size_t size_; + + public: + typedef Char char_type; + typedef const Char *iterator; + + // Standard basic_string_view type. +#if defined(FMT_USE_STD_STRING_VIEW) + typedef std::basic_string_view type; +#elif defined(FMT_USE_EXPERIMENTAL_STRING_VIEW) + typedef std::experimental::basic_string_view type; +#else + struct type { + const char *data() const { return FMT_NULL; } + size_t size() const { return 0; } + }; +#endif + + FMT_CONSTEXPR basic_string_view() FMT_NOEXCEPT : data_(FMT_NULL), size_(0) {} + + /** Constructs a string reference object from a C string and a size. */ + FMT_CONSTEXPR basic_string_view(const Char *s, size_t count) FMT_NOEXCEPT + : data_(s), size_(count) {} + + /** + \rst + Constructs a string reference object from a C string computing + the size with ``std::char_traits::length``. + \endrst + */ + FMT_CONSTEXPR basic_string_view(const Char *s) + : data_(s), size_(internal::length(s)) {} + + /** Constructs a string reference from a ``std::basic_string`` object. */ + template + FMT_CONSTEXPR basic_string_view( + const std::basic_string &s) FMT_NOEXCEPT + : data_(s.data()), size_(s.size()) {} + + FMT_CONSTEXPR basic_string_view(type s) FMT_NOEXCEPT + : data_(s.data()), size_(s.size()) {} + + /** Returns a pointer to the string data. */ + FMT_CONSTEXPR const Char *data() const { return data_; } + + /** Returns the string size. */ + FMT_CONSTEXPR size_t size() const { return size_; } + + FMT_CONSTEXPR iterator begin() const { return data_; } + FMT_CONSTEXPR iterator end() const { return data_ + size_; } + + FMT_CONSTEXPR void remove_prefix(size_t n) { + data_ += n; + size_ -= n; + } + + // Lexicographically compare this string reference to other. + int compare(basic_string_view other) const { + size_t str_size = size_ < other.size_ ? size_ : other.size_; + int result = std::char_traits::compare(data_, other.data_, str_size); + if (result == 0) + result = size_ == other.size_ ? 0 : (size_ < other.size_ ? -1 : 1); + return result; + } + + friend bool operator==(basic_string_view lhs, basic_string_view rhs) { + return lhs.compare(rhs) == 0; + } + friend bool operator!=(basic_string_view lhs, basic_string_view rhs) { + return lhs.compare(rhs) != 0; + } + friend bool operator<(basic_string_view lhs, basic_string_view rhs) { + return lhs.compare(rhs) < 0; + } + friend bool operator<=(basic_string_view lhs, basic_string_view rhs) { + return lhs.compare(rhs) <= 0; + } + friend bool operator>(basic_string_view lhs, basic_string_view rhs) { + return lhs.compare(rhs) > 0; + } + friend bool operator>=(basic_string_view lhs, basic_string_view rhs) { + return lhs.compare(rhs) >= 0; + } +}; + +typedef basic_string_view string_view; +typedef basic_string_view wstring_view; + +template +class basic_format_arg; + +template +class basic_format_args; + +template +struct no_formatter_error : std::false_type {}; + +// A formatter for objects of type T. +template +struct formatter { + static_assert(no_formatter_error::value, + "don't know how to format the type, include fmt/ostream.h if it provides " + "an operator<< that should be used"); + + // The following functions are not defined intentionally. + template + typename ParseContext::iterator parse(ParseContext &); + template + auto format(const T &val, FormatContext &ctx) -> decltype(ctx.out()); +}; + +template +struct convert_to_int { + enum { + value = !std::is_arithmetic::value && std::is_convertible::value + }; +}; + +namespace internal { + +/** A contiguous memory buffer with an optional growing ability. */ +template +class basic_buffer { + private: + basic_buffer(const basic_buffer &) = delete; + void operator=(const basic_buffer &) = delete; + + T *ptr_; + std::size_t size_; + std::size_t capacity_; + + protected: + // Don't initialize ptr_ since it is not accessed to save a few cycles. + basic_buffer(std::size_t sz) FMT_NOEXCEPT: size_(sz), capacity_(sz) {} + + basic_buffer(T *p = FMT_NULL, std::size_t sz = 0, std::size_t cap = 0) + FMT_NOEXCEPT: ptr_(p), size_(sz), capacity_(cap) {} + + /** Sets the buffer data and capacity. */ + void set(T *buf_data, std::size_t buf_capacity) FMT_NOEXCEPT { + ptr_ = buf_data; + capacity_ = buf_capacity; + } + + /** Increases the buffer capacity to hold at least *capacity* elements. */ + virtual void grow(std::size_t capacity) = 0; + + public: + typedef T value_type; + typedef const T &const_reference; + + virtual ~basic_buffer() {} + + T *begin() FMT_NOEXCEPT { return ptr_; } + T *end() FMT_NOEXCEPT { return ptr_ + size_; } + + /** Returns the size of this buffer. */ + std::size_t size() const FMT_NOEXCEPT { return size_; } + + /** Returns the capacity of this buffer. */ + std::size_t capacity() const FMT_NOEXCEPT { return capacity_; } + + /** Returns a pointer to the buffer data. */ + T *data() FMT_NOEXCEPT { return ptr_; } + + /** Returns a pointer to the buffer data. */ + const T *data() const FMT_NOEXCEPT { return ptr_; } + + /** + Resizes the buffer. If T is a POD type new elements may not be initialized. + */ + void resize(std::size_t new_size) { + reserve(new_size); + size_ = new_size; + } + + /** Clears this buffer. */ + void clear() { size_ = 0; } + + /** Reserves space to store at least *capacity* elements. */ + void reserve(std::size_t new_capacity) { + if (new_capacity > capacity_) + grow(new_capacity); + } + + void push_back(const T &value) { + reserve(size_ + 1); + ptr_[size_++] = value; + } + + /** Appends data to the end of the buffer. */ + template + void append(const U *begin, const U *end); + + T &operator[](std::size_t index) { return ptr_[index]; } + const T &operator[](std::size_t index) const { return ptr_[index]; } +}; + +typedef basic_buffer buffer; +typedef basic_buffer wbuffer; + +// A container-backed buffer. +template +class container_buffer : public basic_buffer { + private: + Container &container_; + + protected: + void grow(std::size_t capacity) FMT_OVERRIDE { + container_.resize(capacity); + this->set(&container_[0], capacity); + } + + public: + explicit container_buffer(Container &c) + : basic_buffer(c.size()), container_(c) {} +}; + +struct error_handler { + FMT_CONSTEXPR error_handler() {} + FMT_CONSTEXPR error_handler(const error_handler &) {} + + // This function is intentionally not constexpr to give a compile-time error. + FMT_API void on_error(const char *message); +}; + +// Formatting of wide characters and strings into a narrow output is disallowed: +// fmt::format("{}", L"test"); // error +// To fix this, use a wide format string: +// fmt::format(L"{}", L"test"); +template +inline void require_wchar() { + static_assert( + std::is_same::value, + "formatting of wide characters into a narrow output is disallowed"); +} + +template +struct named_arg_base; + +template +struct named_arg; + +template +struct is_named_arg : std::false_type {}; + +template +struct is_named_arg> : std::true_type {}; + +enum type { + none_type, named_arg_type, + // Integer types should go first, + int_type, uint_type, long_long_type, ulong_long_type, bool_type, char_type, + last_integer_type = char_type, + // followed by floating-point types. + double_type, long_double_type, last_numeric_type = long_double_type, + cstring_type, string_type, pointer_type, custom_type +}; + +FMT_CONSTEXPR bool is_integral(type t) { + FMT_ASSERT(t != internal::named_arg_type, "invalid argument type"); + return t > internal::none_type && t <= internal::last_integer_type; +} + +FMT_CONSTEXPR bool is_arithmetic(type t) { + FMT_ASSERT(t != internal::named_arg_type, "invalid argument type"); + return t > internal::none_type && t <= internal::last_numeric_type; +} + +template +struct string_value { + const Char *value; + std::size_t size; +}; + +template +struct custom_value { + const void *value; + void (*format)(const void *arg, Context &ctx); +}; + +// A formatting argument value. +template +class value { + public: + typedef typename Context::char_type char_type; + + union { + int int_value; + unsigned uint_value; + long long long_long_value; + unsigned long long ulong_long_value; + double double_value; + long double long_double_value; + const void *pointer; + string_value string; + string_value sstring; + string_value ustring; + custom_value custom; + }; + + FMT_CONSTEXPR value(int val = 0) : int_value(val) {} + value(unsigned val) { uint_value = val; } + value(long long val) { long_long_value = val; } + value(unsigned long long val) { ulong_long_value = val; } + value(double val) { double_value = val; } + value(long double val) { long_double_value = val; } + value(const char_type *val) { string.value = val; } + value(const signed char *val) { + static_assert(std::is_same::value, + "incompatible string types"); + sstring.value = val; + } + value(const unsigned char *val) { + static_assert(std::is_same::value, + "incompatible string types"); + ustring.value = val; + } + value(basic_string_view val) { + string.value = val.data(); + string.size = val.size(); + } + value(const void *val) { pointer = val; } + + template + explicit value(const T &val) { + custom.value = &val; + custom.format = &format_custom_arg; + } + + const named_arg_base &as_named_arg() { + return *static_cast*>(pointer); + } + + private: + // Formats an argument of a custom type, such as a user-defined class. + template + static void format_custom_arg(const void *arg, Context &ctx) { + // Get the formatter type through the context to allow different contexts + // have different extension points, e.g. `formatter` for `format` and + // `printf_formatter` for `printf`. + typename Context::template formatter_type::type f; + auto &&parse_ctx = ctx.parse_context(); + parse_ctx.advance_to(f.parse(parse_ctx)); + ctx.advance_to(f.format(*static_cast(arg), ctx)); + } +}; + +// Value initializer used to delay conversion to value and reduce memory churn. +template +struct init { + T val; + static const type type_tag = TYPE; + + FMT_CONSTEXPR init(const T &v) : val(v) {} + FMT_CONSTEXPR operator value() const { return value(val); } +}; + +template +FMT_CONSTEXPR basic_format_arg make_arg(const T &value); + +#define FMT_MAKE_VALUE(TAG, ArgType, ValueType) \ + template \ + FMT_CONSTEXPR init make_value(ArgType val) { \ + return static_cast(val); \ + } + +#define FMT_MAKE_VALUE_SAME(TAG, Type) \ + template \ + FMT_CONSTEXPR init make_value(Type val) { return val; } + +FMT_MAKE_VALUE(bool_type, bool, int) +FMT_MAKE_VALUE(int_type, short, int) +FMT_MAKE_VALUE(uint_type, unsigned short, unsigned) +FMT_MAKE_VALUE_SAME(int_type, int) +FMT_MAKE_VALUE_SAME(uint_type, unsigned) + +// To minimize the number of types we need to deal with, long is translated +// either to int or to long long depending on its size. +typedef std::conditional::type + long_type; +FMT_MAKE_VALUE( + (sizeof(long) == sizeof(int) ? int_type : long_long_type), long, long_type) +typedef std::conditional::type ulong_type; +FMT_MAKE_VALUE( + (sizeof(unsigned long) == sizeof(unsigned) ? uint_type : ulong_long_type), + unsigned long, ulong_type) + +FMT_MAKE_VALUE_SAME(long_long_type, long long) +FMT_MAKE_VALUE_SAME(ulong_long_type, unsigned long long) +FMT_MAKE_VALUE(int_type, signed char, int) +FMT_MAKE_VALUE(uint_type, unsigned char, unsigned) +FMT_MAKE_VALUE(char_type, char, int) + +#if !defined(_MSC_VER) || defined(_NATIVE_WCHAR_T_DEFINED) +template +inline init make_value(wchar_t val) { + require_wchar(); + return static_cast(val); +} +#endif + +FMT_MAKE_VALUE(double_type, float, double) +FMT_MAKE_VALUE_SAME(double_type, double) +FMT_MAKE_VALUE_SAME(long_double_type, long double) + +// Formatting of wide strings into a narrow buffer and multibyte strings +// into a wide buffer is disallowed (https://github.com/fmtlib/fmt/pull/606). +FMT_MAKE_VALUE(cstring_type, typename C::char_type*, + const typename C::char_type*) +FMT_MAKE_VALUE(cstring_type, const typename C::char_type*, + const typename C::char_type*) + +FMT_MAKE_VALUE(cstring_type, signed char*, const signed char*) +FMT_MAKE_VALUE_SAME(cstring_type, const signed char*) +FMT_MAKE_VALUE(cstring_type, unsigned char*, const unsigned char*) +FMT_MAKE_VALUE_SAME(cstring_type, const unsigned char*) +FMT_MAKE_VALUE_SAME(string_type, basic_string_view) +FMT_MAKE_VALUE(string_type, + typename basic_string_view::type, + basic_string_view) +FMT_MAKE_VALUE(string_type, const std::basic_string&, + basic_string_view) +FMT_MAKE_VALUE(pointer_type, void*, const void*) +FMT_MAKE_VALUE_SAME(pointer_type, const void*) + +#if FMT_USE_NULLPTR +FMT_MAKE_VALUE(pointer_type, std::nullptr_t, const void*) +#endif + +// Formatting of arbitrary pointers is disallowed. If you want to output a +// pointer cast it to "void *" or "const void *". In particular, this forbids +// formatting of "[const] volatile char *" which is printed as bool by +// iostreams. +template +typename std::enable_if::value>::type + make_value(const T *) { + static_assert(!sizeof(T), "formatting of non-void pointers is disallowed"); +} + +template +inline typename std::enable_if< + std::is_enum::value && convert_to_int::value, + init>::type + make_value(const T &val) { return static_cast(val); } + +template +inline typename std::enable_if< + std::is_constructible, T>::value, + init, string_type>>::type + make_value(const T &val) { return basic_string_view(val); } + +template +inline typename std::enable_if< + !convert_to_int::value && + !std::is_convertible>::value && + !std::is_constructible, T>::value, + // Implicit conversion to std::string is not handled here because it's + // unsafe: https://github.com/fmtlib/fmt/issues/729 + init>::type + make_value(const T &val) { return val; } + +template +init + make_value(const named_arg &val) { + basic_format_arg arg = make_arg(val.value); + std::memcpy(val.data, &arg, sizeof(arg)); + return static_cast(&val); +} + +// Maximum number of arguments with packed types. +enum { max_packed_args = 15 }; + +template +class arg_map; +} // namespace internal + +// A formatting argument. It is a trivially copyable/constructible type to +// allow storage in basic_memory_buffer. +template +class basic_format_arg { + private: + internal::value value_; + internal::type type_; + + template + friend FMT_CONSTEXPR basic_format_arg + internal::make_arg(const T &value); + + template + friend FMT_CONSTEXPR typename internal::result_of::type + visit(Visitor &&vis, const basic_format_arg &arg); + + friend class basic_format_args; + friend class internal::arg_map; + + typedef typename Context::char_type char_type; + + public: + class handle { + public: + explicit handle(internal::custom_value custom): custom_(custom) {} + + void format(Context &ctx) const { custom_.format(custom_.value, ctx); } + + private: + internal::custom_value custom_; + }; + + FMT_CONSTEXPR basic_format_arg() : type_(internal::none_type) {} + + FMT_EXPLICIT operator bool() const FMT_NOEXCEPT { + return type_ != internal::none_type; + } + + internal::type type() const { return type_; } + + bool is_integral() const { return internal::is_integral(type_); } + bool is_arithmetic() const { return internal::is_arithmetic(type_); } +}; + +struct monostate {}; + +/** + \rst + Visits an argument dispatching to the appropriate visit method based on + the argument type. For example, if the argument type is ``double`` then + ``vis(value)`` will be called with the value of type ``double``. + \endrst + */ +template +FMT_CONSTEXPR typename internal::result_of::type + visit(Visitor &&vis, const basic_format_arg &arg) { + typedef typename Context::char_type char_type; + switch (arg.type_) { + case internal::none_type: + break; + case internal::named_arg_type: + FMT_ASSERT(false, "invalid argument type"); + break; + case internal::int_type: + return vis(arg.value_.int_value); + case internal::uint_type: + return vis(arg.value_.uint_value); + case internal::long_long_type: + return vis(arg.value_.long_long_value); + case internal::ulong_long_type: + return vis(arg.value_.ulong_long_value); + case internal::bool_type: + return vis(arg.value_.int_value != 0); + case internal::char_type: + return vis(static_cast(arg.value_.int_value)); + case internal::double_type: + return vis(arg.value_.double_value); + case internal::long_double_type: + return vis(arg.value_.long_double_value); + case internal::cstring_type: + return vis(arg.value_.string.value); + case internal::string_type: + return vis(basic_string_view( + arg.value_.string.value, arg.value_.string.size)); + case internal::pointer_type: + return vis(arg.value_.pointer); + case internal::custom_type: + return vis(typename basic_format_arg::handle(arg.value_.custom)); + } + return vis(monostate()); +} + +// Parsing context consisting of a format string range being parsed and an +// argument counter for automatic indexing. +template +class basic_parse_context : private ErrorHandler { + private: + basic_string_view format_str_; + int next_arg_id_; + + public: + typedef Char char_type; + typedef typename basic_string_view::iterator iterator; + + explicit FMT_CONSTEXPR basic_parse_context( + basic_string_view format_str, ErrorHandler eh = ErrorHandler()) + : ErrorHandler(eh), format_str_(format_str), next_arg_id_(0) {} + + // Returns an iterator to the beginning of the format string range being + // parsed. + FMT_CONSTEXPR iterator begin() const FMT_NOEXCEPT { + return format_str_.begin(); + } + + // Returns an iterator past the end of the format string range being parsed. + FMT_CONSTEXPR iterator end() const FMT_NOEXCEPT { return format_str_.end(); } + + // Advances the begin iterator to ``it``. + FMT_CONSTEXPR void advance_to(iterator it) { + format_str_.remove_prefix(internal::to_unsigned(it - begin())); + } + + // Returns the next argument index. + FMT_CONSTEXPR unsigned next_arg_id(); + + FMT_CONSTEXPR bool check_arg_id(unsigned) { + if (next_arg_id_ > 0) { + on_error("cannot switch from automatic to manual argument indexing"); + return false; + } + next_arg_id_ = -1; + return true; + } + void check_arg_id(basic_string_view) {} + + FMT_CONSTEXPR void on_error(const char *message) { + ErrorHandler::on_error(message); + } + + FMT_CONSTEXPR ErrorHandler error_handler() const { return *this; } +}; + +typedef basic_parse_context parse_context; +typedef basic_parse_context wparse_context; + +namespace internal { +// A map from argument names to their values for named arguments. +template +class arg_map { + private: + arg_map(const arg_map &) = delete; + void operator=(const arg_map &) = delete; + + typedef typename Context::char_type char_type; + + struct entry { + basic_string_view name; + basic_format_arg arg; + }; + + entry *map_; + unsigned size_; + + void push_back(value val) { + const internal::named_arg_base &named = val.as_named_arg(); + map_[size_] = entry{named.name, named.template deserialize()}; + ++size_; + } + + public: + arg_map() : map_(FMT_NULL), size_(0) {} + void init(const basic_format_args &args); + ~arg_map() { delete [] map_; } + + basic_format_arg find(basic_string_view name) const { + // The list is unsorted, so just return the first matching name. + for (entry *it = map_, *end = map_ + size_; it != end; ++it) { + if (it->name == name) + return it->arg; + } + return basic_format_arg(); + } +}; + +template +class context_base { + public: + typedef OutputIt iterator; + + private: + basic_parse_context parse_context_; + iterator out_; + basic_format_args args_; + + protected: + typedef Char char_type; + typedef basic_format_arg format_arg; + + context_base(OutputIt out, basic_string_view format_str, + basic_format_args ctx_args) + : parse_context_(format_str), out_(out), args_(ctx_args) {} + + // Returns the argument with specified index. + format_arg do_get_arg(unsigned arg_id) { + format_arg arg = args_.get(arg_id); + if (!arg) + parse_context_.on_error("argument index out of range"); + return arg; + } + + // Checks if manual indexing is used and returns the argument with + // specified index. + format_arg get_arg(unsigned arg_id) { + return this->parse_context().check_arg_id(arg_id) ? + this->do_get_arg(arg_id) : format_arg(); + } + + public: + basic_parse_context &parse_context() { + return parse_context_; + } + + internal::error_handler error_handler() { + return parse_context_.error_handler(); + } + + void on_error(const char *message) { parse_context_.on_error(message); } + + // Returns an iterator to the beginning of the output range. + iterator out() { return out_; } + iterator begin() { return out_; } // deprecated + + // Advances the begin iterator to ``it``. + void advance_to(iterator it) { out_ = it; } + + basic_format_args args() const { return args_; } +}; + +// Extracts a reference to the container from back_insert_iterator. +template +inline Container &get_container(std::back_insert_iterator it) { + typedef std::back_insert_iterator bi_iterator; + struct accessor: bi_iterator { + accessor(bi_iterator iter) : bi_iterator(iter) {} + using bi_iterator::container; + }; + return *accessor(it).container; +} +} // namespace internal + +// Formatting context. +template +class basic_format_context : + public internal::context_base< + OutputIt, basic_format_context, Char> { + public: + /** The character type for the output. */ + typedef Char char_type; + + // using formatter_type = formatter; + template + struct formatter_type { typedef formatter type; }; + + private: + internal::arg_map map_; + + basic_format_context(const basic_format_context &) = delete; + void operator=(const basic_format_context &) = delete; + + typedef internal::context_base base; + typedef typename base::format_arg format_arg; + using base::get_arg; + + public: + using typename base::iterator; + + /** + Constructs a ``basic_format_context`` object. References to the arguments are + stored in the object so make sure they have appropriate lifetimes. + */ + basic_format_context(OutputIt out, basic_string_view format_str, + basic_format_args ctx_args) + : base(out, format_str, ctx_args) {} + + format_arg next_arg() { + return this->do_get_arg(this->parse_context().next_arg_id()); + } + format_arg get_arg(unsigned arg_id) { return this->do_get_arg(arg_id); } + + // Checks if manual indexing is used and returns the argument with the + // specified name. + format_arg get_arg(basic_string_view name); +}; + +template +struct buffer_context { + typedef basic_format_context< + std::back_insert_iterator>, Char> type; +}; +typedef buffer_context::type format_context; +typedef buffer_context::type wformat_context; + +namespace internal { +template +struct get_type { + typedef decltype(make_value( + declval::type&>())) value_type; + static const type value = value_type::type_tag; +}; + +template +FMT_CONSTEXPR11 unsigned long long get_types() { return 0; } + +template +FMT_CONSTEXPR11 unsigned long long get_types() { + return get_type::value | (get_types() << 4); +} + +template +FMT_CONSTEXPR basic_format_arg make_arg(const T &value) { + basic_format_arg arg; + arg.type_ = get_type::value; + arg.value_ = make_value(value); + return arg; +} + +template +inline typename std::enable_if>::type + make_arg(const T &value) { + return make_value(value); +} + +template +inline typename std::enable_if>::type + make_arg(const T &value) { + return make_arg(value); +} +} // namespace internal + +/** + \rst + An array of references to arguments. It can be implicitly converted into + `~fmt::basic_format_args` for passing into type-erased formatting functions + such as `~fmt::vformat`. + \endrst + */ +template +class format_arg_store { + private: + static const size_t NUM_ARGS = sizeof...(Args); + + // Packed is a macro on MinGW so use IS_PACKED instead. + static const bool IS_PACKED = NUM_ARGS < internal::max_packed_args; + + typedef typename std::conditional, basic_format_arg>::type value_type; + + // If the arguments are not packed, add one more element to mark the end. + static const size_t DATA_SIZE = + NUM_ARGS + (IS_PACKED && NUM_ARGS != 0 ? 0 : 1); + value_type data_[DATA_SIZE]; + + friend class basic_format_args; + + static FMT_CONSTEXPR11 long long get_types() { + return IS_PACKED ? + static_cast(internal::get_types()) : + -static_cast(NUM_ARGS); + } + + public: +#if FMT_USE_CONSTEXPR11 + static FMT_CONSTEXPR11 long long TYPES = get_types(); +#else + static const long long TYPES; +#endif + +#if (FMT_GCC_VERSION && FMT_GCC_VERSION <= 405) || \ + (FMT_MSC_VER && FMT_MSC_VER <= 1800) + // Workaround array initialization issues in gcc <= 4.5 and MSVC <= 2013. + format_arg_store(const Args &... args) { + value_type init[DATA_SIZE] = + {internal::make_arg(args)...}; + std::memcpy(data_, init, sizeof(init)); + } +#else + format_arg_store(const Args &... args) + : data_{internal::make_arg(args)...} {} +#endif +}; + +#if !FMT_USE_CONSTEXPR11 +template +const long long format_arg_store::TYPES = get_types(); +#endif + +/** + \rst + Constructs an `~fmt::format_arg_store` object that contains references to + arguments and can be implicitly converted to `~fmt::format_args`. `Context` + can be omitted in which case it defaults to `~fmt::context`. + \endrst + */ +template +inline format_arg_store + make_format_args(const Args & ... args) { + return format_arg_store(args...); +} + +template +inline format_arg_store + make_format_args(const Args & ... args) { + return format_arg_store(args...); +} + +/** Formatting arguments. */ +template +class basic_format_args { + public: + typedef unsigned size_type; + typedef basic_format_arg format_arg; + + private: + // To reduce compiled code size per formatting function call, types of first + // max_packed_args arguments are passed in the types_ field. + unsigned long long types_; + union { + // If the number of arguments is less than max_packed_args, the argument + // values are stored in values_, otherwise they are stored in args_. + // This is done to reduce compiled code size as storing larger objects + // may require more code (at least on x86-64) even if the same amount of + // data is actually copied to stack. It saves ~10% on the bloat test. + const internal::value *values_; + const format_arg *args_; + }; + + typename internal::type type(unsigned index) const { + unsigned shift = index * 4; + unsigned long long mask = 0xf; + return static_cast( + (types_ & (mask << shift)) >> shift); + } + + friend class internal::arg_map; + + void set_data(const internal::value *values) { values_ = values; } + void set_data(const format_arg *args) { args_ = args; } + + format_arg do_get(size_type index) const { + format_arg arg; + long long signed_types = static_cast(types_); + if (signed_types < 0) { + unsigned long long num_args = + static_cast(-signed_types); + if (index < num_args) + arg = args_[index]; + return arg; + } + if (index > internal::max_packed_args) + return arg; + arg.type_ = type(index); + if (arg.type_ == internal::none_type) + return arg; + internal::value &val = arg.value_; + val = values_[index]; + return arg; + } + + public: + basic_format_args() : types_(0) {} + + /** + \rst + Constructs a `basic_format_args` object from `~fmt::format_arg_store`. + \endrst + */ + template + basic_format_args(const format_arg_store &store) + : types_(static_cast(store.TYPES)) { + set_data(store.data_); + } + + /** + \rst + Constructs a `basic_format_args` object from a dynamic set of arguments. + \endrst + */ + basic_format_args(const format_arg *args, size_type count) + : types_(-static_cast(count)) { + set_data(args); + } + + /** Returns the argument at specified index. */ + format_arg get(size_type index) const { + format_arg arg = do_get(index); + if (arg.type_ == internal::named_arg_type) + arg = arg.value_.as_named_arg().template deserialize(); + return arg; + } + + unsigned max_size() const { + long long signed_types = static_cast(types_); + return static_cast( + signed_types < 0 ? + -signed_types : static_cast(internal::max_packed_args)); + } +}; + +/** An alias to ``basic_format_args``. */ +// It is a separate type rather than a typedef to make symbols readable. +struct format_args: basic_format_args { + template + format_args(Args && ... arg) + : basic_format_args(std::forward(arg)...) {} +}; +struct wformat_args : basic_format_args { + template + wformat_args(Args && ... arg) + : basic_format_args(std::forward(arg)...) {} +}; + +namespace internal { +template +struct named_arg_base { + basic_string_view name; + + // Serialized value. + mutable char data[sizeof(basic_format_arg)]; + + named_arg_base(basic_string_view nm) : name(nm) {} + + template + basic_format_arg deserialize() const { + basic_format_arg arg; + std::memcpy(&arg, data, sizeof(basic_format_arg)); + return arg; + } +}; + +template +struct named_arg : named_arg_base { + const T &value; + + named_arg(basic_string_view name, const T &val) + : named_arg_base(name), value(val) {} +}; +} + +/** + \rst + Returns a named argument to be used in a formatting function. + + **Example**:: + + fmt::print("Elapsed time: {s:.2f} seconds", fmt::arg("s", 1.23)); + \endrst + */ +template +inline internal::named_arg arg(string_view name, const T &arg) { + return internal::named_arg(name, arg); +} + +template +inline internal::named_arg arg(wstring_view name, const T &arg) { + return internal::named_arg(name, arg); +} + +// This function template is deleted intentionally to disable nested named +// arguments as in ``format("{}", arg("a", arg("b", 42)))``. +template +void arg(S, internal::named_arg) = delete; + +// A base class for compile-time strings. It is defined in the fmt namespace to +// make formatting functions visible via ADL, e.g. format(fmt("{}"), 42). +struct compile_string {}; + +namespace internal { +// If S is a format string type, format_string_traints::char_type gives its +// character type. +template +struct format_string_traits { + private: + // Use constructability as a way to detect if format_string_traits is + // specialized because other methods are broken on MSVC2013. + format_string_traits(); +}; + +template +struct format_string_traits_base { typedef Char char_type; }; + +template +struct format_string_traits : format_string_traits_base {}; + +template +struct format_string_traits : format_string_traits_base {}; + +template +struct format_string_traits : format_string_traits_base {}; + +template +struct format_string_traits : format_string_traits_base {}; + +template +struct format_string_traits> : + format_string_traits_base {}; + +template +struct format_string_traits< + S, typename std::enable_if, S>::value>::type> : + format_string_traits_base {}; + +template +struct is_format_string : + std::integral_constant< + bool, std::is_constructible>::value> {}; + +template +struct is_compile_string : + std::integral_constant::value> {}; + +template +inline typename std::enable_if::value>::type + check_format_string(const S &) {} +template +typename std::enable_if::value>::type + check_format_string(S); + +template +std::basic_string vformat( + basic_string_view format_str, + basic_format_args::type> args); +} // namespace internal + +format_context::iterator vformat_to( + internal::buffer &buf, string_view format_str, format_args args); +wformat_context::iterator vformat_to( + internal::wbuffer &buf, wstring_view format_str, wformat_args args); + +template +struct is_contiguous : std::false_type {}; + +template +struct is_contiguous> : std::true_type {}; + +template +struct is_contiguous> : std::true_type {}; + +/** Formats a string and writes the output to ``out``. */ +template +typename std::enable_if< + is_contiguous::value, std::back_insert_iterator>::type + vformat_to(std::back_insert_iterator out, + string_view format_str, format_args args) { + internal::container_buffer buf(internal::get_container(out)); + vformat_to(buf, format_str, args); + return out; +} + +template +typename std::enable_if< + is_contiguous::value, std::back_insert_iterator>::type + vformat_to(std::back_insert_iterator out, + wstring_view format_str, wformat_args args) { + internal::container_buffer buf(internal::get_container(out)); + vformat_to(buf, format_str, args); + return out; +} + +template +inline typename std::enable_if< + is_contiguous::value, std::back_insert_iterator>::type + format_to(std::back_insert_iterator out, + string_view format_str, const Args & ... args) { + format_arg_store as{args...}; + return vformat_to(out, format_str, as); +} + +template +inline typename std::enable_if< + is_contiguous::value, std::back_insert_iterator>::type + format_to(std::back_insert_iterator out, + wstring_view format_str, const Args & ... args) { + return vformat_to(out, format_str, + make_format_args(args...)); +} + +template < + typename String, + typename Char = typename internal::format_string_traits::char_type> +inline std::basic_string vformat( + const String &format_str, + basic_format_args::type> args) { + // Convert format string to string_view to reduce the number of overloads. + return internal::vformat(basic_string_view(format_str), args); +} + +/** + \rst + Formats arguments and returns the result as a string. + + **Example**:: + + #include + std::string message = fmt::format("The answer is {}", 42); + \endrst +*/ +template +inline std::basic_string< + typename internal::format_string_traits::char_type> + format(const String &format_str, const Args & ... args) { + internal::check_format_string(format_str); + // This should be just + // return vformat(format_str, make_format_args(args...)); + // but gcc has trouble optimizing the latter, so break it down. + typedef typename internal::format_string_traits::char_type char_t; + typedef typename buffer_context::type context_t; + format_arg_store as{args...}; + return internal::vformat( + basic_string_view(format_str), basic_format_args(as)); +} + +FMT_API void vprint(std::FILE *f, string_view format_str, format_args args); +FMT_API void vprint(std::FILE *f, wstring_view format_str, wformat_args args); + +/** + \rst + Prints formatted data to the file *f*. + + **Example**:: + + fmt::print(stderr, "Don't {}!", "panic"); + \endrst + */ +template +inline void print(std::FILE *f, string_view format_str, const Args & ... args) { + format_arg_store as(args...); + vprint(f, format_str, as); +} +/** + Prints formatted data to the file *f* which should be in wide-oriented mode + set via ``fwide(f, 1)`` or ``_setmode(_fileno(f), _O_U8TEXT)`` on Windows. + */ +template +inline void print(std::FILE *f, wstring_view format_str, + const Args & ... args) { + format_arg_store as(args...); + vprint(f, format_str, as); +} + +FMT_API void vprint(string_view format_str, format_args args); +FMT_API void vprint(wstring_view format_str, wformat_args args); + +/** + \rst + Prints formatted data to ``stdout``. + + **Example**:: + + fmt::print("Elapsed time: {0:.2f} seconds", 1.23); + \endrst + */ +template +inline void print(string_view format_str, const Args & ... args) { + format_arg_store as{args...}; + vprint(format_str, as); +} + +template +inline void print(wstring_view format_str, const Args & ... args) { + format_arg_store as(args...); + vprint(format_str, as); +} +FMT_END_NAMESPACE + +#endif // FMT_CORE_H_ diff --git a/vendors/spdlog/fmt/bundled/format-inl.h b/vendors/spdlog/fmt/bundled/format-inl.h new file mode 100755 index 0000000..56c4d58 --- /dev/null +++ b/vendors/spdlog/fmt/bundled/format-inl.h @@ -0,0 +1,866 @@ +// Formatting library for C++ +// +// Copyright (c) 2012 - 2016, Victor Zverovich +// All rights reserved. +// +// For the license information refer to format.h. + +#ifndef FMT_FORMAT_INL_H_ +#define FMT_FORMAT_INL_H_ + +#include "format.h" + +#include + +#include +#include +#include +#include +#include +#include // for std::ptrdiff_t +#include // for std::memmove +#if !defined(FMT_STATIC_THOUSANDS_SEPARATOR) +# include +#endif + +#if FMT_USE_WINDOWS_H +# if !defined(FMT_HEADER_ONLY) && !defined(WIN32_LEAN_AND_MEAN) +# define WIN32_LEAN_AND_MEAN +# endif +# if defined(NOMINMAX) || defined(FMT_WIN_MINMAX) +# include +# else +# define NOMINMAX +# include +# undef NOMINMAX +# endif +#endif + +#if FMT_EXCEPTIONS +# define FMT_TRY try +# define FMT_CATCH(x) catch (x) +#else +# define FMT_TRY if (true) +# define FMT_CATCH(x) if (false) +#endif + +#ifdef _MSC_VER +# pragma warning(push) +# pragma warning(disable: 4127) // conditional expression is constant +# pragma warning(disable: 4702) // unreachable code +// Disable deprecation warning for strerror. The latter is not called but +// MSVC fails to detect it. +# pragma warning(disable: 4996) +#endif + +// Dummy implementations of strerror_r and strerror_s called if corresponding +// system functions are not available. +inline fmt::internal::null<> strerror_r(int, char *, ...) { + return fmt::internal::null<>(); +} +inline fmt::internal::null<> strerror_s(char *, std::size_t, ...) { + return fmt::internal::null<>(); +} + +FMT_BEGIN_NAMESPACE + +namespace { + +#ifndef _MSC_VER +# define FMT_SNPRINTF snprintf +#else // _MSC_VER +inline int fmt_snprintf(char *buffer, size_t size, const char *format, ...) { + va_list args; + va_start(args, format); + int result = vsnprintf_s(buffer, size, _TRUNCATE, format, args); + va_end(args); + return result; +} +# define FMT_SNPRINTF fmt_snprintf +#endif // _MSC_VER + +#if defined(_WIN32) && defined(__MINGW32__) && !defined(__NO_ISOCEXT) +# define FMT_SWPRINTF snwprintf +#else +# define FMT_SWPRINTF swprintf +#endif // defined(_WIN32) && defined(__MINGW32__) && !defined(__NO_ISOCEXT) + +typedef void (*FormatFunc)(internal::buffer &, int, string_view); + +// Portable thread-safe version of strerror. +// Sets buffer to point to a string describing the error code. +// This can be either a pointer to a string stored in buffer, +// or a pointer to some static immutable string. +// Returns one of the following values: +// 0 - success +// ERANGE - buffer is not large enough to store the error message +// other - failure +// Buffer should be at least of size 1. +int safe_strerror( + int error_code, char *&buffer, std::size_t buffer_size) FMT_NOEXCEPT { + FMT_ASSERT(buffer != FMT_NULL && buffer_size != 0, "invalid buffer"); + + class dispatcher { + private: + int error_code_; + char *&buffer_; + std::size_t buffer_size_; + + // A noop assignment operator to avoid bogus warnings. + void operator=(const dispatcher &) {} + + // Handle the result of XSI-compliant version of strerror_r. + int handle(int result) { + // glibc versions before 2.13 return result in errno. + return result == -1 ? errno : result; + } + + // Handle the result of GNU-specific version of strerror_r. + int handle(char *message) { + // If the buffer is full then the message is probably truncated. + if (message == buffer_ && strlen(buffer_) == buffer_size_ - 1) + return ERANGE; + buffer_ = message; + return 0; + } + + // Handle the case when strerror_r is not available. + int handle(internal::null<>) { + return fallback(strerror_s(buffer_, buffer_size_, error_code_)); + } + + // Fallback to strerror_s when strerror_r is not available. + int fallback(int result) { + // If the buffer is full then the message is probably truncated. + return result == 0 && strlen(buffer_) == buffer_size_ - 1 ? + ERANGE : result; + } + + // Fallback to strerror if strerror_r and strerror_s are not available. + int fallback(internal::null<>) { + errno = 0; + buffer_ = strerror(error_code_); + return errno; + } + + public: + dispatcher(int err_code, char *&buf, std::size_t buf_size) + : error_code_(err_code), buffer_(buf), buffer_size_(buf_size) {} + + int run() { + return handle(strerror_r(error_code_, buffer_, buffer_size_)); + } + }; + return dispatcher(error_code, buffer, buffer_size).run(); +} + +void format_error_code(internal::buffer &out, int error_code, + string_view message) FMT_NOEXCEPT { + // Report error code making sure that the output fits into + // inline_buffer_size to avoid dynamic memory allocation and potential + // bad_alloc. + out.resize(0); + static const char SEP[] = ": "; + static const char ERROR_STR[] = "error "; + // Subtract 2 to account for terminating null characters in SEP and ERROR_STR. + std::size_t error_code_size = sizeof(SEP) + sizeof(ERROR_STR) - 2; + typedef internal::int_traits::main_type main_type; + main_type abs_value = static_cast(error_code); + if (internal::is_negative(error_code)) { + abs_value = 0 - abs_value; + ++error_code_size; + } + error_code_size += internal::count_digits(abs_value); + writer w(out); + if (message.size() <= inline_buffer_size - error_code_size) { + w.write(message); + w.write(SEP); + } + w.write(ERROR_STR); + w.write(error_code); + assert(out.size() <= inline_buffer_size); +} + +void report_error(FormatFunc func, int error_code, + string_view message) FMT_NOEXCEPT { + memory_buffer full_message; + func(full_message, error_code, message); + // Use Writer::data instead of Writer::c_str to avoid potential memory + // allocation. + std::fwrite(full_message.data(), full_message.size(), 1, stderr); + std::fputc('\n', stderr); +} +} // namespace + +#if !defined(FMT_STATIC_THOUSANDS_SEPARATOR) +class locale { + private: + std::locale locale_; + + public: + explicit locale(std::locale loc = std::locale()) : locale_(loc) {} + std::locale get() { return locale_; } +}; + +FMT_FUNC size_t internal::count_code_points(u8string_view s) { + const char8_t *data = s.data(); + int num_code_points = 0; + for (size_t i = 0, size = s.size(); i != size; ++i) { + if ((data[i].value & 0xc0) != 0x80) + ++num_code_points; + } + return num_code_points; +} + +template +FMT_FUNC Char internal::thousands_sep(locale_provider *lp) { + std::locale loc = lp ? lp->locale().get() : std::locale(); + return std::use_facet>(loc).thousands_sep(); +} +#else +template +FMT_FUNC Char internal::thousands_sep(locale_provider *lp) { + return FMT_STATIC_THOUSANDS_SEPARATOR; +} +#endif + +FMT_FUNC void system_error::init( + int err_code, string_view format_str, format_args args) { + error_code_ = err_code; + memory_buffer buffer; + format_system_error(buffer, err_code, vformat(format_str, args)); + std::runtime_error &base = *this; + base = std::runtime_error(to_string(buffer)); +} + +namespace internal { +template +int char_traits::format_float( + char *buffer, std::size_t size, const char *format, int precision, T value) { + return precision < 0 ? + FMT_SNPRINTF(buffer, size, format, value) : + FMT_SNPRINTF(buffer, size, format, precision, value); +} + +template +int char_traits::format_float( + wchar_t *buffer, std::size_t size, const wchar_t *format, int precision, + T value) { + return precision < 0 ? + FMT_SWPRINTF(buffer, size, format, value) : + FMT_SWPRINTF(buffer, size, format, precision, value); +} + +template +const char basic_data::DIGITS[] = + "0001020304050607080910111213141516171819" + "2021222324252627282930313233343536373839" + "4041424344454647484950515253545556575859" + "6061626364656667686970717273747576777879" + "8081828384858687888990919293949596979899"; + +#define FMT_POWERS_OF_10(factor) \ + factor * 10, \ + factor * 100, \ + factor * 1000, \ + factor * 10000, \ + factor * 100000, \ + factor * 1000000, \ + factor * 10000000, \ + factor * 100000000, \ + factor * 1000000000 + +template +const uint32_t basic_data::POWERS_OF_10_32[] = { + 1, FMT_POWERS_OF_10(1) +}; + +template +const uint32_t basic_data::ZERO_OR_POWERS_OF_10_32[] = { + 0, FMT_POWERS_OF_10(1) +}; + +template +const uint64_t basic_data::ZERO_OR_POWERS_OF_10_64[] = { + 0, + FMT_POWERS_OF_10(1), + FMT_POWERS_OF_10(1000000000ull), + 10000000000000000000ull +}; + +// Normalized 64-bit significands of pow(10, k), for k = -348, -340, ..., 340. +// These are generated by support/compute-powers.py. +template +const uint64_t basic_data::POW10_SIGNIFICANDS[] = { + 0xfa8fd5a0081c0288, 0xbaaee17fa23ebf76, 0x8b16fb203055ac76, + 0xcf42894a5dce35ea, 0x9a6bb0aa55653b2d, 0xe61acf033d1a45df, + 0xab70fe17c79ac6ca, 0xff77b1fcbebcdc4f, 0xbe5691ef416bd60c, + 0x8dd01fad907ffc3c, 0xd3515c2831559a83, 0x9d71ac8fada6c9b5, + 0xea9c227723ee8bcb, 0xaecc49914078536d, 0x823c12795db6ce57, + 0xc21094364dfb5637, 0x9096ea6f3848984f, 0xd77485cb25823ac7, + 0xa086cfcd97bf97f4, 0xef340a98172aace5, 0xb23867fb2a35b28e, + 0x84c8d4dfd2c63f3b, 0xc5dd44271ad3cdba, 0x936b9fcebb25c996, + 0xdbac6c247d62a584, 0xa3ab66580d5fdaf6, 0xf3e2f893dec3f126, + 0xb5b5ada8aaff80b8, 0x87625f056c7c4a8b, 0xc9bcff6034c13053, + 0x964e858c91ba2655, 0xdff9772470297ebd, 0xa6dfbd9fb8e5b88f, + 0xf8a95fcf88747d94, 0xb94470938fa89bcf, 0x8a08f0f8bf0f156b, + 0xcdb02555653131b6, 0x993fe2c6d07b7fac, 0xe45c10c42a2b3b06, + 0xaa242499697392d3, 0xfd87b5f28300ca0e, 0xbce5086492111aeb, + 0x8cbccc096f5088cc, 0xd1b71758e219652c, 0x9c40000000000000, + 0xe8d4a51000000000, 0xad78ebc5ac620000, 0x813f3978f8940984, + 0xc097ce7bc90715b3, 0x8f7e32ce7bea5c70, 0xd5d238a4abe98068, + 0x9f4f2726179a2245, 0xed63a231d4c4fb27, 0xb0de65388cc8ada8, + 0x83c7088e1aab65db, 0xc45d1df942711d9a, 0x924d692ca61be758, + 0xda01ee641a708dea, 0xa26da3999aef774a, 0xf209787bb47d6b85, + 0xb454e4a179dd1877, 0x865b86925b9bc5c2, 0xc83553c5c8965d3d, + 0x952ab45cfa97a0b3, 0xde469fbd99a05fe3, 0xa59bc234db398c25, + 0xf6c69a72a3989f5c, 0xb7dcbf5354e9bece, 0x88fcf317f22241e2, + 0xcc20ce9bd35c78a5, 0x98165af37b2153df, 0xe2a0b5dc971f303a, + 0xa8d9d1535ce3b396, 0xfb9b7cd9a4a7443c, 0xbb764c4ca7a44410, + 0x8bab8eefb6409c1a, 0xd01fef10a657842c, 0x9b10a4e5e9913129, + 0xe7109bfba19c0c9d, 0xac2820d9623bf429, 0x80444b5e7aa7cf85, + 0xbf21e44003acdd2d, 0x8e679c2f5e44ff8f, 0xd433179d9c8cb841, + 0x9e19db92b4e31ba9, 0xeb96bf6ebadf77d9, 0xaf87023b9bf0ee6b, +}; + +// Binary exponents of pow(10, k), for k = -348, -340, ..., 340, corresponding +// to significands above. +template +const int16_t basic_data::POW10_EXPONENTS[] = { + -1220, -1193, -1166, -1140, -1113, -1087, -1060, -1034, -1007, -980, -954, + -927, -901, -874, -847, -821, -794, -768, -741, -715, -688, -661, + -635, -608, -582, -555, -529, -502, -475, -449, -422, -396, -369, + -343, -316, -289, -263, -236, -210, -183, -157, -130, -103, -77, + -50, -24, 3, 30, 56, 83, 109, 136, 162, 189, 216, + 242, 269, 295, 322, 348, 375, 402, 428, 455, 481, 508, + 534, 561, 588, 614, 641, 667, 694, 720, 747, 774, 800, + 827, 853, 880, 907, 933, 960, 986, 1013, 1039, 1066 +}; + +template const char basic_data::RESET_COLOR[] = "\x1b[0m"; +template const wchar_t basic_data::WRESET_COLOR[] = L"\x1b[0m"; + +// A handmade floating-point number f * pow(2, e). +class fp { + private: + typedef uint64_t significand_type; + + // All sizes are in bits. + static FMT_CONSTEXPR_DECL const int char_size = + std::numeric_limits::digits; + // Subtract 1 to account for an implicit most significant bit in the + // normalized form. + static FMT_CONSTEXPR_DECL const int double_significand_size = + std::numeric_limits::digits - 1; + static FMT_CONSTEXPR_DECL const uint64_t implicit_bit = + 1ull << double_significand_size; + + public: + significand_type f; + int e; + + static FMT_CONSTEXPR_DECL const int significand_size = + sizeof(significand_type) * char_size; + + fp(): f(0), e(0) {} + fp(uint64_t f, int e): f(f), e(e) {} + + // Constructs fp from an IEEE754 double. It is a template to prevent compile + // errors on platforms where double is not IEEE754. + template + explicit fp(Double d) { + // Assume double is in the format [sign][exponent][significand]. + typedef std::numeric_limits limits; + const int double_size = static_cast(sizeof(Double) * char_size); + const int exponent_size = + double_size - double_significand_size - 1; // -1 for sign + const uint64_t significand_mask = implicit_bit - 1; + const uint64_t exponent_mask = (~0ull >> 1) & ~significand_mask; + const int exponent_bias = (1 << exponent_size) - limits::max_exponent - 1; + auto u = bit_cast(d); + auto biased_e = (u & exponent_mask) >> double_significand_size; + f = u & significand_mask; + if (biased_e != 0) + f += implicit_bit; + else + biased_e = 1; // Subnormals use biased exponent 1 (min exponent). + e = static_cast(biased_e - exponent_bias - double_significand_size); + } + + // Normalizes the value converted from double and multiplied by (1 << SHIFT). + template + void normalize() { + // Handle subnormals. + auto shifted_implicit_bit = implicit_bit << SHIFT; + while ((f & shifted_implicit_bit) == 0) { + f <<= 1; + --e; + } + // Subtract 1 to account for hidden bit. + auto offset = significand_size - double_significand_size - SHIFT - 1; + f <<= offset; + e -= offset; + } + + // Compute lower and upper boundaries (m^- and m^+ in the Grisu paper), where + // a boundary is a value half way between the number and its predecessor + // (lower) or successor (upper). The upper boundary is normalized and lower + // has the same exponent but may be not normalized. + void compute_boundaries(fp &lower, fp &upper) const { + lower = f == implicit_bit ? + fp((f << 2) - 1, e - 2) : fp((f << 1) - 1, e - 1); + upper = fp((f << 1) + 1, e - 1); + upper.normalize<1>(); // 1 is to account for the exponent shift above. + lower.f <<= lower.e - upper.e; + lower.e = upper.e; + } +}; + +// Returns an fp number representing x - y. Result may not be normalized. +inline fp operator-(fp x, fp y) { + FMT_ASSERT(x.f >= y.f && x.e == y.e, "invalid operands"); + return fp(x.f - y.f, x.e); +} + +// Computes an fp number r with r.f = x.f * y.f / pow(2, 64) rounded to nearest +// with half-up tie breaking, r.e = x.e + y.e + 64. Result may not be normalized. +FMT_API fp operator*(fp x, fp y); + +// Returns cached power (of 10) c_k = c_k.f * pow(2, c_k.e) such that its +// (binary) exponent satisfies min_exponent <= c_k.e <= min_exponent + 3. +FMT_API fp get_cached_power(int min_exponent, int &pow10_exponent); + +FMT_FUNC fp operator*(fp x, fp y) { + // Multiply 32-bit parts of significands. + uint64_t mask = (1ULL << 32) - 1; + uint64_t a = x.f >> 32, b = x.f & mask; + uint64_t c = y.f >> 32, d = y.f & mask; + uint64_t ac = a * c, bc = b * c, ad = a * d, bd = b * d; + // Compute mid 64-bit of result and round. + uint64_t mid = (bd >> 32) + (ad & mask) + (bc & mask) + (1U << 31); + return fp(ac + (ad >> 32) + (bc >> 32) + (mid >> 32), x.e + y.e + 64); +} + +FMT_FUNC fp get_cached_power(int min_exponent, int &pow10_exponent) { + const double one_over_log2_10 = 0.30102999566398114; // 1 / log2(10) + int index = static_cast(std::ceil( + (min_exponent + fp::significand_size - 1) * one_over_log2_10)); + // Decimal exponent of the first (smallest) cached power of 10. + const int first_dec_exp = -348; + // Difference between 2 consecutive decimal exponents in cached powers of 10. + const int dec_exp_step = 8; + index = (index - first_dec_exp - 1) / dec_exp_step + 1; + pow10_exponent = first_dec_exp + index * dec_exp_step; + return fp(data::POW10_SIGNIFICANDS[index], data::POW10_EXPONENTS[index]); +} + +// Generates output using Grisu2 digit-gen algorithm. +FMT_FUNC void grisu2_gen_digits( + const fp &scaled_value, const fp &scaled_upper, uint64_t delta, + char *buffer, size_t &size, int &dec_exp) { + internal::fp one(1ull << -scaled_upper.e, scaled_upper.e); + // hi (p1 in Grisu) contains the most significant digits of scaled_upper. + // hi = floor(scaled_upper / one). + uint32_t hi = static_cast(scaled_upper.f >> -one.e); + // lo (p2 in Grisu) contains the least significants digits of scaled_upper. + // lo = scaled_upper mod 1. + uint64_t lo = scaled_upper.f & (one.f - 1); + size = 0; + auto exp = count_digits(hi); // kappa in Grisu. + while (exp > 0) { + uint32_t digit = 0; + // This optimization by miloyip reduces the number of integer divisions by + // one per iteration. + switch (exp) { + case 10: digit = hi / 1000000000; hi %= 1000000000; break; + case 9: digit = hi / 100000000; hi %= 100000000; break; + case 8: digit = hi / 10000000; hi %= 10000000; break; + case 7: digit = hi / 1000000; hi %= 1000000; break; + case 6: digit = hi / 100000; hi %= 100000; break; + case 5: digit = hi / 10000; hi %= 10000; break; + case 4: digit = hi / 1000; hi %= 1000; break; + case 3: digit = hi / 100; hi %= 100; break; + case 2: digit = hi / 10; hi %= 10; break; + case 1: digit = hi; hi = 0; break; + default: + FMT_ASSERT(false, "invalid number of digits"); + } + if (digit != 0 || size != 0) + buffer[size++] = static_cast('0' + digit); + --exp; + uint64_t remainder = (static_cast(hi) << -one.e) + lo; + if (remainder <= delta) { + dec_exp += exp; + // TODO: use scaled_value + (void)scaled_value; + return; + } + } + for (;;) { + lo *= 10; + delta *= 10; + char digit = static_cast(lo >> -one.e); + if (digit != 0 || size != 0) + buffer[size++] = static_cast('0' + digit); + lo &= one.f - 1; + --exp; + if (lo < delta) { + dec_exp += exp; + return; + } + } +} + +FMT_FUNC void grisu2_format_positive(double value, char *buffer, size_t &size, + int &dec_exp) { + FMT_ASSERT(value > 0, "value is nonpositive"); + fp fp_value(value); + fp lower, upper; // w^- and w^+ in the Grisu paper. + fp_value.compute_boundaries(lower, upper); + // Find a cached power of 10 close to 1 / upper. + const int min_exp = -60; // alpha in Grisu. + auto dec_pow = get_cached_power( // \tilde{c}_{-k} in Grisu. + min_exp - (upper.e + fp::significand_size), dec_exp); + dec_exp = -dec_exp; + fp_value.normalize(); + fp scaled_value = fp_value * dec_pow; + fp scaled_lower = lower * dec_pow; // \tilde{M}^- in Grisu. + fp scaled_upper = upper * dec_pow; // \tilde{M}^+ in Grisu. + ++scaled_lower.f; // \tilde{M}^- + 1 ulp -> M^-_{\uparrow}. + --scaled_upper.f; // \tilde{M}^+ - 1 ulp -> M^+_{\downarrow}. + uint64_t delta = scaled_upper.f - scaled_lower.f; + grisu2_gen_digits(scaled_value, scaled_upper, delta, buffer, size, dec_exp); +} + +FMT_FUNC void round(char *buffer, size_t &size, int &exp, + int digits_to_remove) { + size -= to_unsigned(digits_to_remove); + exp += digits_to_remove; + int digit = buffer[size] - '0'; + // TODO: proper rounding and carry + if (digit > 5 || (digit == 5 && (digits_to_remove > 1 || + (buffer[size - 1] - '0') % 2) != 0)) { + ++buffer[size - 1]; + } +} + +// Writes the exponent exp in the form "[+-]d{1,3}" to buffer. +FMT_FUNC char *write_exponent(char *buffer, int exp) { + FMT_ASSERT(-1000 < exp && exp < 1000, "exponent out of range"); + if (exp < 0) { + *buffer++ = '-'; + exp = -exp; + } else { + *buffer++ = '+'; + } + if (exp >= 100) { + *buffer++ = static_cast('0' + exp / 100); + exp %= 100; + const char *d = data::DIGITS + exp * 2; + *buffer++ = d[0]; + *buffer++ = d[1]; + } else { + const char *d = data::DIGITS + exp * 2; + *buffer++ = d[0]; + *buffer++ = d[1]; + } + return buffer; +} + +FMT_FUNC void format_exp_notation( + char *buffer, size_t &size, int exp, int precision, bool upper) { + // Insert a decimal point after the first digit and add an exponent. + std::memmove(buffer + 2, buffer + 1, size - 1); + buffer[1] = '.'; + exp += static_cast(size) - 1; + int num_digits = precision - static_cast(size) + 1; + if (num_digits > 0) { + std::uninitialized_fill_n(buffer + size + 1, num_digits, '0'); + size += to_unsigned(num_digits); + } else if (num_digits < 0) { + round(buffer, size, exp, -num_digits); + } + char *p = buffer + size + 1; + *p++ = upper ? 'E' : 'e'; + size = to_unsigned(write_exponent(p, exp) - buffer); +} + +// Prettifies the output of the Grisu2 algorithm. +// The number is given as v = buffer * 10^exp. +FMT_FUNC void grisu2_prettify(char *buffer, size_t &size, int exp, + int precision, bool upper) { + // pow(10, full_exp - 1) <= v <= pow(10, full_exp). + int int_size = static_cast(size); + int full_exp = int_size + exp; + const int exp_threshold = 21; + if (int_size <= full_exp && full_exp <= exp_threshold) { + // 1234e7 -> 12340000000[.0+] + std::uninitialized_fill_n(buffer + int_size, full_exp - int_size, '0'); + char *p = buffer + full_exp; + if (precision > 0) { + *p++ = '.'; + std::uninitialized_fill_n(p, precision, '0'); + p += precision; + } + size = to_unsigned(p - buffer); + } else if (0 < full_exp && full_exp <= exp_threshold) { + // 1234e-2 -> 12.34[0+] + int fractional_size = -exp; + std::memmove(buffer + full_exp + 1, buffer + full_exp, + to_unsigned(fractional_size)); + buffer[full_exp] = '.'; + int num_zeros = precision - fractional_size; + if (num_zeros > 0) { + std::uninitialized_fill_n(buffer + size + 1, num_zeros, '0'); + size += to_unsigned(num_zeros); + } + ++size; + } else if (-6 < full_exp && full_exp <= 0) { + // 1234e-6 -> 0.001234 + int offset = 2 - full_exp; + std::memmove(buffer + offset, buffer, size); + buffer[0] = '0'; + buffer[1] = '.'; + std::uninitialized_fill_n(buffer + 2, -full_exp, '0'); + size = to_unsigned(int_size + offset); + } else { + format_exp_notation(buffer, size, exp, precision, upper); + } +} + +#if FMT_CLANG_VERSION +# define FMT_FALLTHROUGH [[clang::fallthrough]]; +#elif FMT_GCC_VERSION >= 700 +# define FMT_FALLTHROUGH [[gnu::fallthrough]]; +#else +# define FMT_FALLTHROUGH +#endif + +// Formats a nonnegative value using Grisu2 algorithm. Grisu2 doesn't give any +// guarantees on the shortness of the result. +FMT_FUNC void grisu2_format(double value, char *buffer, size_t &size, char type, + int precision, bool write_decimal_point) { + FMT_ASSERT(value >= 0, "value is negative"); + int dec_exp = 0; // K in Grisu. + if (value > 0) { + grisu2_format_positive(value, buffer, size, dec_exp); + } else { + *buffer = '0'; + size = 1; + } + const int default_precision = 6; + if (precision < 0) + precision = default_precision; + bool upper = false; + switch (type) { + case 'G': + upper = true; + FMT_FALLTHROUGH + case '\0': case 'g': { + int digits_to_remove = static_cast(size) - precision; + if (digits_to_remove > 0) { + round(buffer, size, dec_exp, digits_to_remove); + // Remove trailing zeros. + while (size > 0 && buffer[size - 1] == '0') { + --size; + ++dec_exp; + } + } + precision = 0; + break; + } + case 'F': + upper = true; + FMT_FALLTHROUGH + case 'f': { + int digits_to_remove = -dec_exp - precision; + if (digits_to_remove > 0) { + if (digits_to_remove >= static_cast(size)) + digits_to_remove = static_cast(size) - 1; + round(buffer, size, dec_exp, digits_to_remove); + } + break; + } + case 'e': case 'E': + format_exp_notation(buffer, size, dec_exp, precision, type == 'E'); + return; + } + if (write_decimal_point && precision < 1) + precision = 1; + grisu2_prettify(buffer, size, dec_exp, precision, upper); +} +} // namespace internal + +#if FMT_USE_WINDOWS_H + +FMT_FUNC internal::utf8_to_utf16::utf8_to_utf16(string_view s) { + static const char ERROR_MSG[] = "cannot convert string from UTF-8 to UTF-16"; + if (s.size() > INT_MAX) + FMT_THROW(windows_error(ERROR_INVALID_PARAMETER, ERROR_MSG)); + int s_size = static_cast(s.size()); + if (s_size == 0) { + // MultiByteToWideChar does not support zero length, handle separately. + buffer_.resize(1); + buffer_[0] = 0; + return; + } + + int length = MultiByteToWideChar( + CP_UTF8, MB_ERR_INVALID_CHARS, s.data(), s_size, FMT_NULL, 0); + if (length == 0) + FMT_THROW(windows_error(GetLastError(), ERROR_MSG)); + buffer_.resize(length + 1); + length = MultiByteToWideChar( + CP_UTF8, MB_ERR_INVALID_CHARS, s.data(), s_size, &buffer_[0], length); + if (length == 0) + FMT_THROW(windows_error(GetLastError(), ERROR_MSG)); + buffer_[length] = 0; +} + +FMT_FUNC internal::utf16_to_utf8::utf16_to_utf8(wstring_view s) { + if (int error_code = convert(s)) { + FMT_THROW(windows_error(error_code, + "cannot convert string from UTF-16 to UTF-8")); + } +} + +FMT_FUNC int internal::utf16_to_utf8::convert(wstring_view s) { + if (s.size() > INT_MAX) + return ERROR_INVALID_PARAMETER; + int s_size = static_cast(s.size()); + if (s_size == 0) { + // WideCharToMultiByte does not support zero length, handle separately. + buffer_.resize(1); + buffer_[0] = 0; + return 0; + } + + int length = WideCharToMultiByte( + CP_UTF8, 0, s.data(), s_size, FMT_NULL, 0, FMT_NULL, FMT_NULL); + if (length == 0) + return GetLastError(); + buffer_.resize(length + 1); + length = WideCharToMultiByte( + CP_UTF8, 0, s.data(), s_size, &buffer_[0], length, FMT_NULL, FMT_NULL); + if (length == 0) + return GetLastError(); + buffer_[length] = 0; + return 0; +} + +FMT_FUNC void windows_error::init( + int err_code, string_view format_str, format_args args) { + error_code_ = err_code; + memory_buffer buffer; + internal::format_windows_error(buffer, err_code, vformat(format_str, args)); + std::runtime_error &base = *this; + base = std::runtime_error(to_string(buffer)); +} + +FMT_FUNC void internal::format_windows_error( + internal::buffer &out, int error_code, string_view message) FMT_NOEXCEPT { + FMT_TRY { + wmemory_buffer buf; + buf.resize(inline_buffer_size); + for (;;) { + wchar_t *system_message = &buf[0]; + int result = FormatMessageW( + FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, + FMT_NULL, error_code, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), + system_message, static_cast(buf.size()), FMT_NULL); + if (result != 0) { + utf16_to_utf8 utf8_message; + if (utf8_message.convert(system_message) == ERROR_SUCCESS) { + writer w(out); + w.write(message); + w.write(": "); + w.write(utf8_message); + return; + } + break; + } + if (GetLastError() != ERROR_INSUFFICIENT_BUFFER) + break; // Can't get error message, report error code instead. + buf.resize(buf.size() * 2); + } + } FMT_CATCH(...) {} + format_error_code(out, error_code, message); +} + +#endif // FMT_USE_WINDOWS_H + +FMT_FUNC void format_system_error( + internal::buffer &out, int error_code, string_view message) FMT_NOEXCEPT { + FMT_TRY { + memory_buffer buf; + buf.resize(inline_buffer_size); + for (;;) { + char *system_message = &buf[0]; + int result = safe_strerror(error_code, system_message, buf.size()); + if (result == 0) { + writer w(out); + w.write(message); + w.write(": "); + w.write(system_message); + return; + } + if (result != ERANGE) + break; // Can't get error message, report error code instead. + buf.resize(buf.size() * 2); + } + } FMT_CATCH(...) {} + format_error_code(out, error_code, message); +} + +template +void basic_fixed_buffer::grow(std::size_t) { + FMT_THROW(std::runtime_error("buffer overflow")); +} + +FMT_FUNC void internal::error_handler::on_error(const char *message) { + FMT_THROW(format_error(message)); +} + +FMT_FUNC void report_system_error( + int error_code, fmt::string_view message) FMT_NOEXCEPT { + report_error(format_system_error, error_code, message); +} + +#if FMT_USE_WINDOWS_H +FMT_FUNC void report_windows_error( + int error_code, fmt::string_view message) FMT_NOEXCEPT { + report_error(internal::format_windows_error, error_code, message); +} +#endif + +FMT_FUNC void vprint(std::FILE *f, string_view format_str, format_args args) { + memory_buffer buffer; + vformat_to(buffer, format_str, args); + std::fwrite(buffer.data(), 1, buffer.size(), f); +} + +FMT_FUNC void vprint(std::FILE *f, wstring_view format_str, wformat_args args) { + wmemory_buffer buffer; + vformat_to(buffer, format_str, args); + std::fwrite(buffer.data(), sizeof(wchar_t), buffer.size(), f); +} + +FMT_FUNC void vprint(string_view format_str, format_args args) { + vprint(stdout, format_str, args); +} + +FMT_FUNC void vprint(wstring_view format_str, wformat_args args) { + vprint(stdout, format_str, args); +} + +#if !defined(FMT_STATIC_THOUSANDS_SEPARATOR) +FMT_FUNC locale locale_provider::locale() { return fmt::locale(); } +#endif + +FMT_END_NAMESPACE + +#ifdef _MSC_VER +# pragma warning(pop) +#endif + +#endif // FMT_FORMAT_INL_H_ diff --git a/vendors/spdlog/fmt/bundled/format.h b/vendors/spdlog/fmt/bundled/format.h new file mode 100755 index 0000000..9f522f3 --- /dev/null +++ b/vendors/spdlog/fmt/bundled/format.h @@ -0,0 +1,3720 @@ +/* + Formatting library for C++ + + Copyright (c) 2012 - present, Victor Zverovich + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1. Redistributions of source code must retain the above copyright notice, this + list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND + ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR + ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef FMT_FORMAT_H_ +#define FMT_FORMAT_H_ + +#include +#include +#include +#include +#include +#include +#include +#include + +#ifdef __clang__ +# define FMT_CLANG_VERSION (__clang_major__ * 100 + __clang_minor__) +#else +# define FMT_CLANG_VERSION 0 +#endif + +#ifdef __INTEL_COMPILER +# define FMT_ICC_VERSION __INTEL_COMPILER +#elif defined(__ICL) +# define FMT_ICC_VERSION __ICL +#else +# define FMT_ICC_VERSION 0 +#endif + +#ifdef __NVCC__ +# define FMT_CUDA_VERSION (__CUDACC_VER_MAJOR__ * 100 + __CUDACC_VER_MINOR__) +#else +# define FMT_CUDA_VERSION 0 +#endif + +#include "core.h" + +#if FMT_GCC_VERSION >= 406 || FMT_CLANG_VERSION +# pragma GCC diagnostic push + +// Disable the warning about declaration shadowing because it affects too +// many valid cases. +# pragma GCC diagnostic ignored "-Wshadow" + +// Disable the warning about implicit conversions that may change the sign of +// an integer; silencing it otherwise would require many explicit casts. +# pragma GCC diagnostic ignored "-Wsign-conversion" +#endif + +# if FMT_CLANG_VERSION +# pragma GCC diagnostic ignored "-Wgnu-string-literal-operator-template" +# endif + +#ifdef _SECURE_SCL +# define FMT_SECURE_SCL _SECURE_SCL +#else +# define FMT_SECURE_SCL 0 +#endif + +#if FMT_SECURE_SCL +# include +#endif + +#ifdef __has_builtin +# define FMT_HAS_BUILTIN(x) __has_builtin(x) +#else +# define FMT_HAS_BUILTIN(x) 0 +#endif + +#ifdef __GNUC_LIBSTD__ +# define FMT_GNUC_LIBSTD_VERSION (__GNUC_LIBSTD__ * 100 + __GNUC_LIBSTD_MINOR__) +#endif + +#ifndef FMT_THROW +# if FMT_EXCEPTIONS +# if FMT_MSC_VER +FMT_BEGIN_NAMESPACE +namespace internal { +template +inline void do_throw(const Exception &x) { + // Silence unreachable code warnings in MSVC because these are nearly + // impossible to fix in a generic code. + volatile bool b = true; + if (b) + throw x; +} +} +FMT_END_NAMESPACE +# define FMT_THROW(x) fmt::internal::do_throw(x) +# else +# define FMT_THROW(x) throw x +# endif +# else +# define FMT_THROW(x) do { static_cast(sizeof(x)); assert(false); } while(false); +# endif +#endif + +#ifndef FMT_USE_USER_DEFINED_LITERALS +// For Intel's compiler and NVIDIA's compiler both it and the system gcc/msc +// must support UDLs. +# if (FMT_HAS_FEATURE(cxx_user_literals) || \ + FMT_GCC_VERSION >= 407 || FMT_MSC_VER >= 1900) && \ + (!(FMT_ICC_VERSION || FMT_CUDA_VERSION) || \ + FMT_ICC_VERSION >= 1500 || FMT_CUDA_VERSION >= 700) +# define FMT_USE_USER_DEFINED_LITERALS 1 +# else +# define FMT_USE_USER_DEFINED_LITERALS 0 +# endif +#endif + +// EDG C++ Front End based compilers (icc, nvcc) do not currently support UDL +// templates. +#if FMT_USE_USER_DEFINED_LITERALS && \ + FMT_ICC_VERSION == 0 && \ + FMT_CUDA_VERSION == 0 && \ + ((FMT_GCC_VERSION >= 600 && __cplusplus >= 201402L) || \ + (defined(FMT_CLANG_VERSION) && FMT_CLANG_VERSION >= 304)) +# define FMT_UDL_TEMPLATE 1 +#else +# define FMT_UDL_TEMPLATE 0 +#endif + +#ifndef FMT_USE_EXTERN_TEMPLATES +# ifndef FMT_HEADER_ONLY +# define FMT_USE_EXTERN_TEMPLATES \ + ((FMT_CLANG_VERSION >= 209 && __cplusplus >= 201103L) || \ + (FMT_GCC_VERSION >= 303 && FMT_HAS_GXX_CXX11)) +# else +# define FMT_USE_EXTERN_TEMPLATES 0 +# endif +#endif + +#if FMT_HAS_GXX_CXX11 || FMT_HAS_FEATURE(cxx_trailing_return) || \ + FMT_MSC_VER >= 1600 +# define FMT_USE_TRAILING_RETURN 1 +#else +# define FMT_USE_TRAILING_RETURN 0 +#endif + +#ifndef FMT_USE_GRISU +# define FMT_USE_GRISU 0 +#endif + +// __builtin_clz is broken in clang with Microsoft CodeGen: +// https://github.com/fmtlib/fmt/issues/519 +#ifndef _MSC_VER +# if FMT_GCC_VERSION >= 400 || FMT_HAS_BUILTIN(__builtin_clz) +# define FMT_BUILTIN_CLZ(n) __builtin_clz(n) +# endif + +# if FMT_GCC_VERSION >= 400 || FMT_HAS_BUILTIN(__builtin_clzll) +# define FMT_BUILTIN_CLZLL(n) __builtin_clzll(n) +# endif +#endif + +// A workaround for gcc 4.4 that doesn't support union members with ctors. +#if (FMT_GCC_VERSION && FMT_GCC_VERSION <= 404) || \ + (FMT_MSC_VER && FMT_MSC_VER <= 1800) +# define FMT_UNION struct +#else +# define FMT_UNION union +#endif + +// Some compilers masquerade as both MSVC and GCC-likes or otherwise support +// __builtin_clz and __builtin_clzll, so only define FMT_BUILTIN_CLZ using the +// MSVC intrinsics if the clz and clzll builtins are not available. +#if FMT_MSC_VER && !defined(FMT_BUILTIN_CLZLL) && !defined(_MANAGED) +# include // _BitScanReverse, _BitScanReverse64 + +FMT_BEGIN_NAMESPACE +namespace internal { +// Avoid Clang with Microsoft CodeGen's -Wunknown-pragmas warning. +# ifndef __clang__ +# pragma intrinsic(_BitScanReverse) +# endif +inline uint32_t clz(uint32_t x) { + unsigned long r = 0; + _BitScanReverse(&r, x); + + assert(x != 0); + // Static analysis complains about using uninitialized data + // "r", but the only way that can happen is if "x" is 0, + // which the callers guarantee to not happen. +# pragma warning(suppress: 6102) + return 31 - r; +} +# define FMT_BUILTIN_CLZ(n) fmt::internal::clz(n) + +# if defined(_WIN64) && !defined(__clang__) +# pragma intrinsic(_BitScanReverse64) +# endif + +inline uint32_t clzll(uint64_t x) { + unsigned long r = 0; +# ifdef _WIN64 + _BitScanReverse64(&r, x); +# else + // Scan the high 32 bits. + if (_BitScanReverse(&r, static_cast(x >> 32))) + return 63 - (r + 32); + + // Scan the low 32 bits. + _BitScanReverse(&r, static_cast(x)); +# endif + + assert(x != 0); + // Static analysis complains about using uninitialized data + // "r", but the only way that can happen is if "x" is 0, + // which the callers guarantee to not happen. +# pragma warning(suppress: 6102) + return 63 - r; +} +# define FMT_BUILTIN_CLZLL(n) fmt::internal::clzll(n) +} +FMT_END_NAMESPACE +#endif + +FMT_BEGIN_NAMESPACE +namespace internal { + +// An equivalent of `*reinterpret_cast(&source)` that doesn't produce +// undefined behavior (e.g. due to type aliasing). +// Example: uint64_t d = bit_cast(2.718); +template +inline Dest bit_cast(const Source& source) { + static_assert(sizeof(Dest) == sizeof(Source), "size mismatch"); + Dest dest; + std::memcpy(&dest, &source, sizeof(dest)); + return dest; +} + +// An implementation of begin and end for pre-C++11 compilers such as gcc 4. +template +FMT_CONSTEXPR auto begin(const C &c) -> decltype(c.begin()) { + return c.begin(); +} +template +FMT_CONSTEXPR T *begin(T (&array)[N]) FMT_NOEXCEPT { return array; } +template +FMT_CONSTEXPR auto end(const C &c) -> decltype(c.end()) { return c.end(); } +template +FMT_CONSTEXPR T *end(T (&array)[N]) FMT_NOEXCEPT { return array + N; } + +// For std::result_of in gcc 4.4. +template +struct function { + template + struct result { typedef Result type; }; +}; + +struct dummy_int { + int data[2]; + operator int() const { return 0; } +}; +typedef std::numeric_limits fputil; + +// Dummy implementations of system functions such as signbit and ecvt called +// if the latter are not available. +inline dummy_int signbit(...) { return dummy_int(); } +inline dummy_int _ecvt_s(...) { return dummy_int(); } +inline dummy_int isinf(...) { return dummy_int(); } +inline dummy_int _finite(...) { return dummy_int(); } +inline dummy_int isnan(...) { return dummy_int(); } +inline dummy_int _isnan(...) { return dummy_int(); } + +inline bool use_grisu() { + return FMT_USE_GRISU && std::numeric_limits::is_iec559; +} + +// Formats value using Grisu2 algorithm: +// https://www.cs.tufts.edu/~nr/cs257/archive/florian-loitsch/printf.pdf +FMT_API void grisu2_format(double value, char *buffer, size_t &size, char type, + int precision, bool write_decimal_point); + +template +typename Allocator::value_type *allocate(Allocator& alloc, std::size_t n) { +#if __cplusplus >= 201103L || FMT_MSC_VER >= 1700 + return std::allocator_traits::allocate(alloc, n); +#else + return alloc.allocate(n); +#endif +} + +// A helper function to suppress bogus "conditional expression is constant" +// warnings. +template +inline T const_check(T value) { return value; } +} // namespace internal +FMT_END_NAMESPACE + +namespace std { +// Standard permits specialization of std::numeric_limits. This specialization +// is used to resolve ambiguity between isinf and std::isinf in glibc: +// https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48891 +// and the same for isnan and signbit. +template <> +class numeric_limits : + public std::numeric_limits { + public: + // Portable version of isinf. + template + static bool isinfinity(T x) { + using namespace fmt::internal; + // The resolution "priority" is: + // isinf macro > std::isinf > ::isinf > fmt::internal::isinf + if (const_check(sizeof(isinf(x)) != sizeof(dummy_int))) + return isinf(x) != 0; + return !_finite(static_cast(x)); + } + + // Portable version of isnan. + template + static bool isnotanumber(T x) { + using namespace fmt::internal; + if (const_check(sizeof(isnan(x)) != sizeof(fmt::internal::dummy_int))) + return isnan(x) != 0; + return _isnan(static_cast(x)) != 0; + } + + // Portable version of signbit. + static bool isnegative(double x) { + using namespace fmt::internal; + if (const_check(sizeof(signbit(x)) != sizeof(fmt::internal::dummy_int))) + return signbit(x) != 0; + if (x < 0) return true; + if (!isnotanumber(x)) return false; + int dec = 0, sign = 0; + char buffer[2]; // The buffer size must be >= 2 or _ecvt_s will fail. + _ecvt_s(buffer, sizeof(buffer), x, 0, &dec, &sign); + return sign != 0; + } +}; +} // namespace std + +FMT_BEGIN_NAMESPACE +template +class basic_writer; + +template +class output_range { + private: + OutputIt it_; + + // Unused yet. + typedef void sentinel; + sentinel end() const; + + public: + typedef OutputIt iterator; + typedef T value_type; + + explicit output_range(OutputIt it): it_(it) {} + OutputIt begin() const { return it_; } +}; + +// A range where begin() returns back_insert_iterator. +template +class back_insert_range: + public output_range> { + typedef output_range> base; + public: + typedef typename Container::value_type value_type; + + back_insert_range(Container &c): base(std::back_inserter(c)) {} + back_insert_range(typename base::iterator it): base(it) {} +}; + +typedef basic_writer> writer; +typedef basic_writer> wwriter; + +/** A formatting error such as invalid format string. */ +class format_error : public std::runtime_error { + public: + explicit format_error(const char *message) + : std::runtime_error(message) {} + + explicit format_error(const std::string &message) + : std::runtime_error(message) {} +}; + +namespace internal { + +#if FMT_SECURE_SCL +template +struct checked { typedef stdext::checked_array_iterator type; }; + +// Make a checked iterator to avoid warnings on MSVC. +template +inline stdext::checked_array_iterator make_checked(T *p, std::size_t size) { + return {p, size}; +} +#else +template +struct checked { typedef T *type; }; +template +inline T *make_checked(T *p, std::size_t) { return p; } +#endif + +template +template +void basic_buffer::append(const U *begin, const U *end) { + std::size_t new_size = size_ + internal::to_unsigned(end - begin); + reserve(new_size); + std::uninitialized_copy(begin, end, + internal::make_checked(ptr_, capacity_) + size_); + size_ = new_size; +} +} // namespace internal + +// A UTF-8 code unit type. +struct char8_t { + char value; + FMT_CONSTEXPR explicit operator bool() const FMT_NOEXCEPT { + return value != 0; + } +}; + +// A UTF-8 string view. +class u8string_view : public basic_string_view { + private: + typedef basic_string_view base; + + public: + using basic_string_view::basic_string_view; + using basic_string_view::char_type; + + u8string_view(const char *s) + : base(reinterpret_cast(s)) {} + + u8string_view(const char *s, size_t count) FMT_NOEXCEPT + : base(reinterpret_cast(s), count) {} +}; + +#if FMT_USE_USER_DEFINED_LITERALS +inline namespace literals { +inline u8string_view operator"" _u(const char *s, std::size_t n) { + return u8string_view(s, n); +} +} +#endif + +// A wrapper around std::locale used to reduce compile times since +// is very heavy. +class locale; + +class locale_provider { + public: + virtual ~locale_provider() {} + virtual fmt::locale locale(); +}; + +// The number of characters to store in the basic_memory_buffer object itself +// to avoid dynamic memory allocation. +enum { inline_buffer_size = 500 }; + +/** + \rst + A dynamically growing memory buffer for trivially copyable/constructible types + with the first ``SIZE`` elements stored in the object itself. + + You can use one of the following typedefs for common character types: + + +----------------+------------------------------+ + | Type | Definition | + +================+==============================+ + | memory_buffer | basic_memory_buffer | + +----------------+------------------------------+ + | wmemory_buffer | basic_memory_buffer | + +----------------+------------------------------+ + + **Example**:: + + fmt::memory_buffer out; + format_to(out, "The answer is {}.", 42); + + This will write the following output to the ``out`` object: + + .. code-block:: none + + The answer is 42. + + The output can be converted to an ``std::string`` with ``to_string(out)``. + \endrst + */ +template > +class basic_memory_buffer: private Allocator, public internal::basic_buffer { + private: + T store_[SIZE]; + + // Deallocate memory allocated by the buffer. + void deallocate() { + T* data = this->data(); + if (data != store_) Allocator::deallocate(data, this->capacity()); + } + + protected: + void grow(std::size_t size) FMT_OVERRIDE; + + public: + explicit basic_memory_buffer(const Allocator &alloc = Allocator()) + : Allocator(alloc) { + this->set(store_, SIZE); + } + ~basic_memory_buffer() { deallocate(); } + + private: + // Move data from other to this buffer. + void move(basic_memory_buffer &other) { + Allocator &this_alloc = *this, &other_alloc = other; + this_alloc = std::move(other_alloc); + T* data = other.data(); + std::size_t size = other.size(), capacity = other.capacity(); + if (data == other.store_) { + this->set(store_, capacity); + std::uninitialized_copy(other.store_, other.store_ + size, + internal::make_checked(store_, capacity)); + } else { + this->set(data, capacity); + // Set pointer to the inline array so that delete is not called + // when deallocating. + other.set(other.store_, 0); + } + this->resize(size); + } + + public: + /** + \rst + Constructs a :class:`fmt::basic_memory_buffer` object moving the content + of the other object to it. + \endrst + */ + basic_memory_buffer(basic_memory_buffer &&other) { + move(other); + } + + /** + \rst + Moves the content of the other ``basic_memory_buffer`` object to this one. + \endrst + */ + basic_memory_buffer &operator=(basic_memory_buffer &&other) { + assert(this != &other); + deallocate(); + move(other); + return *this; + } + + // Returns a copy of the allocator associated with this buffer. + Allocator get_allocator() const { return *this; } +}; + +template +void basic_memory_buffer::grow(std::size_t size) { + std::size_t old_capacity = this->capacity(); + std::size_t new_capacity = old_capacity + old_capacity / 2; + if (size > new_capacity) + new_capacity = size; + T *old_data = this->data(); + T *new_data = internal::allocate(*this, new_capacity); + // The following code doesn't throw, so the raw pointer above doesn't leak. + std::uninitialized_copy(old_data, old_data + this->size(), + internal::make_checked(new_data, new_capacity)); + this->set(new_data, new_capacity); + // deallocate must not throw according to the standard, but even if it does, + // the buffer already uses the new storage and will deallocate it in + // destructor. + if (old_data != store_) + Allocator::deallocate(old_data, old_capacity); +} + +typedef basic_memory_buffer memory_buffer; +typedef basic_memory_buffer wmemory_buffer; + +/** + \rst + A fixed-size memory buffer. For a dynamically growing buffer use + :class:`fmt::basic_memory_buffer`. + + Trying to increase the buffer size past the initial capacity will throw + ``std::runtime_error``. + \endrst + */ +template +class basic_fixed_buffer : public internal::basic_buffer { + public: + /** + \rst + Constructs a :class:`fmt::basic_fixed_buffer` object for *array* of the + given size. + \endrst + */ + basic_fixed_buffer(Char *array, std::size_t size) { + this->set(array, size); + } + + /** + \rst + Constructs a :class:`fmt::basic_fixed_buffer` object for *array* of the + size known at compile time. + \endrst + */ + template + explicit basic_fixed_buffer(Char (&array)[SIZE]) { + this->set(array, SIZE); + } + + protected: + FMT_API void grow(std::size_t size) FMT_OVERRIDE; +}; + +namespace internal { + +template +struct char_traits; + +template <> +struct char_traits { + // Formats a floating-point number. + template + FMT_API static int format_float(char *buffer, std::size_t size, + const char *format, int precision, T value); +}; + +template <> +struct char_traits { + template + FMT_API static int format_float(wchar_t *buffer, std::size_t size, + const wchar_t *format, int precision, T value); +}; + +#if FMT_USE_EXTERN_TEMPLATES +extern template int char_traits::format_float( + char *buffer, std::size_t size, const char* format, int precision, + double value); +extern template int char_traits::format_float( + char *buffer, std::size_t size, const char* format, int precision, + long double value); + +extern template int char_traits::format_float( + wchar_t *buffer, std::size_t size, const wchar_t* format, int precision, + double value); +extern template int char_traits::format_float( + wchar_t *buffer, std::size_t size, const wchar_t* format, int precision, + long double value); +#endif + +template +inline typename std::enable_if< + is_contiguous::value, + typename checked::type>::type + reserve(std::back_insert_iterator &it, std::size_t n) { + Container &c = internal::get_container(it); + std::size_t size = c.size(); + c.resize(size + n); + return make_checked(&c[size], n); +} + +template +inline Iterator &reserve(Iterator &it, std::size_t) { return it; } + +template +class null_terminating_iterator; + +template +FMT_CONSTEXPR_DECL const Char *pointer_from(null_terminating_iterator it); + +// An iterator that produces a null terminator on *end. This simplifies parsing +// and allows comparing the performance of processing a null-terminated string +// vs string_view. +template +class null_terminating_iterator { + public: + typedef std::ptrdiff_t difference_type; + typedef Char value_type; + typedef const Char* pointer; + typedef const Char& reference; + typedef std::random_access_iterator_tag iterator_category; + + null_terminating_iterator() : ptr_(0), end_(0) {} + + FMT_CONSTEXPR null_terminating_iterator(const Char *ptr, const Char *end) + : ptr_(ptr), end_(end) {} + + template + FMT_CONSTEXPR explicit null_terminating_iterator(const Range &r) + : ptr_(r.begin()), end_(r.end()) {} + + FMT_CONSTEXPR null_terminating_iterator &operator=(const Char *ptr) { + assert(ptr <= end_); + ptr_ = ptr; + return *this; + } + + FMT_CONSTEXPR Char operator*() const { + return ptr_ != end_ ? *ptr_ : 0; + } + + FMT_CONSTEXPR null_terminating_iterator operator++() { + ++ptr_; + return *this; + } + + FMT_CONSTEXPR null_terminating_iterator operator++(int) { + null_terminating_iterator result(*this); + ++ptr_; + return result; + } + + FMT_CONSTEXPR null_terminating_iterator operator--() { + --ptr_; + return *this; + } + + FMT_CONSTEXPR null_terminating_iterator operator+(difference_type n) { + return null_terminating_iterator(ptr_ + n, end_); + } + + FMT_CONSTEXPR null_terminating_iterator operator-(difference_type n) { + return null_terminating_iterator(ptr_ - n, end_); + } + + FMT_CONSTEXPR null_terminating_iterator operator+=(difference_type n) { + ptr_ += n; + return *this; + } + + FMT_CONSTEXPR difference_type operator-( + null_terminating_iterator other) const { + return ptr_ - other.ptr_; + } + + FMT_CONSTEXPR bool operator!=(null_terminating_iterator other) const { + return ptr_ != other.ptr_; + } + + bool operator>=(null_terminating_iterator other) const { + return ptr_ >= other.ptr_; + } + + // This should be a friend specialization pointer_from but the latter + // doesn't compile by gcc 5.1 due to a compiler bug. + template + friend FMT_CONSTEXPR_DECL const CharT *pointer_from( + null_terminating_iterator it); + + private: + const Char *ptr_; + const Char *end_; +}; + +template +FMT_CONSTEXPR const T *pointer_from(const T *p) { return p; } + +template +FMT_CONSTEXPR const Char *pointer_from(null_terminating_iterator it) { + return it.ptr_; +} + +// An output iterator that counts the number of objects written to it and +// discards them. +template +class counting_iterator { + private: + std::size_t count_; + mutable T blackhole_; + + public: + typedef std::output_iterator_tag iterator_category; + typedef T value_type; + typedef std::ptrdiff_t difference_type; + typedef T* pointer; + typedef T& reference; + typedef counting_iterator _Unchecked_type; // Mark iterator as checked. + + counting_iterator(): count_(0) {} + + std::size_t count() const { return count_; } + + counting_iterator& operator++() { + ++count_; + return *this; + } + + counting_iterator operator++(int) { + auto it = *this; + ++*this; + return it; + } + + T &operator*() const { return blackhole_; } +}; + +// An output iterator that truncates the output and counts the number of objects +// written to it. +template +class truncating_iterator { + private: + typedef std::iterator_traits traits; + + OutputIt out_; + std::size_t limit_; + std::size_t count_; + mutable typename traits::value_type blackhole_; + + public: + typedef std::output_iterator_tag iterator_category; + typedef typename traits::value_type value_type; + typedef typename traits::difference_type difference_type; + typedef typename traits::pointer pointer; + typedef typename traits::reference reference; + typedef truncating_iterator _Unchecked_type; // Mark iterator as checked. + + truncating_iterator(OutputIt out, std::size_t limit) + : out_(out), limit_(limit), count_(0) {} + + OutputIt base() const { return out_; } + std::size_t count() const { return count_; } + + truncating_iterator& operator++() { + if (count_++ < limit_) + ++out_; + return *this; + } + + truncating_iterator operator++(int) { + auto it = *this; + ++*this; + return it; + } + + reference operator*() const { return count_ < limit_ ? *out_ : blackhole_; } +}; + +// Returns true if value is negative, false otherwise. +// Same as (value < 0) but doesn't produce warnings if T is an unsigned type. +template +FMT_CONSTEXPR typename std::enable_if< + std::numeric_limits::is_signed, bool>::type is_negative(T value) { + return value < 0; +} +template +FMT_CONSTEXPR typename std::enable_if< + !std::numeric_limits::is_signed, bool>::type is_negative(T) { + return false; +} + +template +struct int_traits { + // Smallest of uint32_t and uint64_t that is large enough to represent + // all values of T. + typedef typename std::conditional< + std::numeric_limits::digits <= 32, uint32_t, uint64_t>::type main_type; +}; + +// Static data is placed in this class template to allow header-only +// configuration. +template +struct FMT_API basic_data { + static const uint32_t POWERS_OF_10_32[]; + static const uint32_t ZERO_OR_POWERS_OF_10_32[]; + static const uint64_t ZERO_OR_POWERS_OF_10_64[]; + static const uint64_t POW10_SIGNIFICANDS[]; + static const int16_t POW10_EXPONENTS[]; + static const char DIGITS[]; + static const char RESET_COLOR[]; + static const wchar_t WRESET_COLOR[]; +}; + +#if FMT_USE_EXTERN_TEMPLATES +extern template struct basic_data; +#endif + +typedef basic_data<> data; + +#ifdef FMT_BUILTIN_CLZLL +// Returns the number of decimal digits in n. Leading zeros are not counted +// except for n == 0 in which case count_digits returns 1. +inline unsigned count_digits(uint64_t n) { + // Based on http://graphics.stanford.edu/~seander/bithacks.html#IntegerLog10 + // and the benchmark https://github.com/localvoid/cxx-benchmark-count-digits. + int t = (64 - FMT_BUILTIN_CLZLL(n | 1)) * 1233 >> 12; + return to_unsigned(t) - (n < data::ZERO_OR_POWERS_OF_10_64[t]) + 1; +} +#else +// Fallback version of count_digits used when __builtin_clz is not available. +inline unsigned count_digits(uint64_t n) { + unsigned count = 1; + for (;;) { + // Integer division is slow so do it for a group of four digits instead + // of for every digit. The idea comes from the talk by Alexandrescu + // "Three Optimization Tips for C++". See speed-test for a comparison. + if (n < 10) return count; + if (n < 100) return count + 1; + if (n < 1000) return count + 2; + if (n < 10000) return count + 3; + n /= 10000u; + count += 4; + } +} +#endif + +// Counts the number of code points in a UTF-8 string. +FMT_API size_t count_code_points(u8string_view s); + +#if FMT_HAS_CPP_ATTRIBUTE(always_inline) +# define FMT_ALWAYS_INLINE __attribute__((always_inline)) +#else +# define FMT_ALWAYS_INLINE +#endif + +template +inline char *lg(uint32_t n, Handler h) FMT_ALWAYS_INLINE; + +// Computes g = floor(log10(n)) and calls h.on(n); +template +inline char *lg(uint32_t n, Handler h) { + return n < 100 ? n < 10 ? h.template on<0>(n) : h.template on<1>(n) + : n < 1000000 + ? n < 10000 ? n < 1000 ? h.template on<2>(n) + : h.template on<3>(n) + : n < 100000 ? h.template on<4>(n) + : h.template on<5>(n) + : n < 100000000 ? n < 10000000 ? h.template on<6>(n) + : h.template on<7>(n) + : n < 1000000000 ? h.template on<8>(n) + : h.template on<9>(n); +} + +// An lg handler that formats a decimal number. +// Usage: lg(n, decimal_formatter(buffer)); +class decimal_formatter { + private: + char *buffer_; + + void write_pair(unsigned N, uint32_t index) { + std::memcpy(buffer_ + N, data::DIGITS + index * 2, 2); + } + + public: + explicit decimal_formatter(char *buf) : buffer_(buf) {} + + template char *on(uint32_t u) { + if (N == 0) { + *buffer_ = static_cast(u) + '0'; + } else if (N == 1) { + write_pair(0, u); + } else { + // The idea of using 4.32 fixed-point numbers is based on + // https://github.com/jeaiii/itoa + unsigned n = N - 1; + unsigned a = n / 5 * n * 53 / 16; + uint64_t t = ((1ULL << (32 + a)) / + data::ZERO_OR_POWERS_OF_10_32[n] + 1 - n / 9); + t = ((t * u) >> a) + n / 5 * 4; + write_pair(0, t >> 32); + for (unsigned i = 2; i < N; i += 2) { + t = 100ULL * static_cast(t); + write_pair(i, t >> 32); + } + if (N % 2 == 0) { + buffer_[N] = static_cast( + (10ULL * static_cast(t)) >> 32) + '0'; + } + } + return buffer_ += N + 1; + } +}; + +// An lg handler that formats a decimal number with a terminating null. +class decimal_formatter_null : public decimal_formatter { + public: + explicit decimal_formatter_null(char *buf) : decimal_formatter(buf) {} + + template char *on(uint32_t u) { + char *buf = decimal_formatter::on(u); + *buf = '\0'; + return buf; + } +}; + +#ifdef FMT_BUILTIN_CLZ +// Optional version of count_digits for better performance on 32-bit platforms. +inline unsigned count_digits(uint32_t n) { + int t = (32 - FMT_BUILTIN_CLZ(n | 1)) * 1233 >> 12; + return to_unsigned(t) - (n < data::ZERO_OR_POWERS_OF_10_32[t]) + 1; +} +#endif + +// A functor that doesn't add a thousands separator. +struct no_thousands_sep { + typedef char char_type; + + template + void operator()(Char *) {} +}; + +// A functor that adds a thousands separator. +template +class add_thousands_sep { + private: + basic_string_view sep_; + + // Index of a decimal digit with the least significant digit having index 0. + unsigned digit_index_; + + public: + typedef Char char_type; + + explicit add_thousands_sep(basic_string_view sep) + : sep_(sep), digit_index_(0) {} + + void operator()(Char *&buffer) { + if (++digit_index_ % 3 != 0) + return; + buffer -= sep_.size(); + std::uninitialized_copy(sep_.data(), sep_.data() + sep_.size(), + internal::make_checked(buffer, sep_.size())); + } +}; + +template +FMT_API Char thousands_sep(locale_provider *lp); + +// Formats a decimal unsigned integer value writing into buffer. +// thousands_sep is a functor that is called after writing each char to +// add a thousands separator if necessary. +template +inline Char *format_decimal(Char *buffer, UInt value, unsigned num_digits, + ThousandsSep thousands_sep) { + buffer += num_digits; + Char *end = buffer; + while (value >= 100) { + // Integer division is slow so do it for a group of two digits instead + // of for every digit. The idea comes from the talk by Alexandrescu + // "Three Optimization Tips for C++". See speed-test for a comparison. + unsigned index = static_cast((value % 100) * 2); + value /= 100; + *--buffer = data::DIGITS[index + 1]; + thousands_sep(buffer); + *--buffer = data::DIGITS[index]; + thousands_sep(buffer); + } + if (value < 10) { + *--buffer = static_cast('0' + value); + return end; + } + unsigned index = static_cast(value * 2); + *--buffer = data::DIGITS[index + 1]; + thousands_sep(buffer); + *--buffer = data::DIGITS[index]; + return end; +} + +template +inline Iterator format_decimal( + Iterator out, UInt value, unsigned num_digits, ThousandsSep sep) { + typedef typename ThousandsSep::char_type char_type; + // Buffer should be large enough to hold all digits (digits10 + 1) and null. + char_type buffer[std::numeric_limits::digits10 + 2]; + format_decimal(buffer, value, num_digits, sep); + return std::copy_n(buffer, num_digits, out); +} + +template +inline It format_decimal(It out, UInt value, unsigned num_digits) { + return format_decimal(out, value, num_digits, no_thousands_sep()); +} + +template +inline Char *format_uint(Char *buffer, UInt value, unsigned num_digits, + bool upper = false) { + buffer += num_digits; + Char *end = buffer; + do { + const char *digits = upper ? "0123456789ABCDEF" : "0123456789abcdef"; + unsigned digit = (value & ((1 << BASE_BITS) - 1)); + *--buffer = BASE_BITS < 4 ? static_cast('0' + digit) : digits[digit]; + } while ((value >>= BASE_BITS) != 0); + return end; +} + +template +inline It format_uint(It out, UInt value, unsigned num_digits, + bool upper = false) { + // Buffer should be large enough to hold all digits (digits / BASE_BITS + 1) + // and null. + char buffer[std::numeric_limits::digits / BASE_BITS + 2]; + format_uint(buffer, value, num_digits, upper); + return std::copy_n(buffer, num_digits, out); +} + +#ifndef _WIN32 +# define FMT_USE_WINDOWS_H 0 +#elif !defined(FMT_USE_WINDOWS_H) +# define FMT_USE_WINDOWS_H 1 +#endif + +// Define FMT_USE_WINDOWS_H to 0 to disable use of windows.h. +// All the functionality that relies on it will be disabled too. +#if FMT_USE_WINDOWS_H +// A converter from UTF-8 to UTF-16. +// It is only provided for Windows since other systems support UTF-8 natively. +class utf8_to_utf16 { + private: + wmemory_buffer buffer_; + + public: + FMT_API explicit utf8_to_utf16(string_view s); + operator wstring_view() const { return wstring_view(&buffer_[0], size()); } + size_t size() const { return buffer_.size() - 1; } + const wchar_t *c_str() const { return &buffer_[0]; } + std::wstring str() const { return std::wstring(&buffer_[0], size()); } +}; + +// A converter from UTF-16 to UTF-8. +// It is only provided for Windows since other systems support UTF-8 natively. +class utf16_to_utf8 { + private: + memory_buffer buffer_; + + public: + utf16_to_utf8() {} + FMT_API explicit utf16_to_utf8(wstring_view s); + operator string_view() const { return string_view(&buffer_[0], size()); } + size_t size() const { return buffer_.size() - 1; } + const char *c_str() const { return &buffer_[0]; } + std::string str() const { return std::string(&buffer_[0], size()); } + + // Performs conversion returning a system error code instead of + // throwing exception on conversion error. This method may still throw + // in case of memory allocation error. + FMT_API int convert(wstring_view s); +}; + +FMT_API void format_windows_error(fmt::internal::buffer &out, int error_code, + fmt::string_view message) FMT_NOEXCEPT; +#endif + +template +struct null {}; +} // namespace internal + +enum alignment { + ALIGN_DEFAULT, ALIGN_LEFT, ALIGN_RIGHT, ALIGN_CENTER, ALIGN_NUMERIC +}; + +// Flags. +enum {SIGN_FLAG = 1, PLUS_FLAG = 2, MINUS_FLAG = 4, HASH_FLAG = 8}; + +enum format_spec_tag {fill_tag, align_tag, width_tag, type_tag}; + +// Format specifier. +template +class format_spec { + private: + T value_; + + public: + typedef T value_type; + + explicit format_spec(T value) : value_(value) {} + + T value() const { return value_; } +}; + +// template +// typedef format_spec fill_spec; +template +class fill_spec : public format_spec { + public: + explicit fill_spec(Char value) : format_spec(value) {} +}; + +typedef format_spec width_spec; +typedef format_spec type_spec; + +// An empty format specifier. +struct empty_spec {}; + +// An alignment specifier. +struct align_spec : empty_spec { + unsigned width_; + // Fill is always wchar_t and cast to char if necessary to avoid having + // two specialization of AlignSpec and its subclasses. + wchar_t fill_; + alignment align_; + + FMT_CONSTEXPR align_spec( + unsigned width, wchar_t fill, alignment align = ALIGN_DEFAULT) + : width_(width), fill_(fill), align_(align) {} + + FMT_CONSTEXPR unsigned width() const { return width_; } + FMT_CONSTEXPR wchar_t fill() const { return fill_; } + FMT_CONSTEXPR alignment align() const { return align_; } + + int precision() const { return -1; } +}; + +// Format specifiers. +template +class basic_format_specs : public align_spec { + public: + unsigned flags_; + int precision_; + Char type_; + + FMT_CONSTEXPR basic_format_specs( + unsigned width = 0, char type = 0, wchar_t fill = ' ') + : align_spec(width, fill), flags_(0), precision_(-1), type_(type) {} + + FMT_CONSTEXPR bool flag(unsigned f) const { return (flags_ & f) != 0; } + FMT_CONSTEXPR int precision() const { return precision_; } + FMT_CONSTEXPR Char type() const { return type_; } +}; + +typedef basic_format_specs format_specs; + +template +FMT_CONSTEXPR unsigned basic_parse_context::next_arg_id() { + if (next_arg_id_ >= 0) + return internal::to_unsigned(next_arg_id_++); + on_error("cannot switch from manual to automatic argument indexing"); + return 0; +} + +namespace internal { + +template +struct format_string_traits< + S, typename std::enable_if::value>::type>: + format_string_traits_base {}; + +template +FMT_CONSTEXPR void handle_int_type_spec(Char spec, Handler &&handler) { + switch (spec) { + case 0: case 'd': + handler.on_dec(); + break; + case 'x': case 'X': + handler.on_hex(); + break; + case 'b': case 'B': + handler.on_bin(); + break; + case 'o': + handler.on_oct(); + break; + case 'n': + handler.on_num(); + break; + default: + handler.on_error(); + } +} + +template +FMT_CONSTEXPR void handle_float_type_spec(Char spec, Handler &&handler) { + switch (spec) { + case 0: case 'g': case 'G': + handler.on_general(); + break; + case 'e': case 'E': + handler.on_exp(); + break; + case 'f': case 'F': + handler.on_fixed(); + break; + case 'a': case 'A': + handler.on_hex(); + break; + default: + handler.on_error(); + break; + } +} + +template +FMT_CONSTEXPR void handle_char_specs( + const basic_format_specs *specs, Handler &&handler) { + if (!specs) return handler.on_char(); + if (specs->type() && specs->type() != 'c') return handler.on_int(); + if (specs->align() == ALIGN_NUMERIC || specs->flag(~0u) != 0) + handler.on_error("invalid format specifier for char"); + handler.on_char(); +} + +template +FMT_CONSTEXPR void handle_cstring_type_spec(Char spec, Handler &&handler) { + if (spec == 0 || spec == 's') + handler.on_string(); + else if (spec == 'p') + handler.on_pointer(); + else + handler.on_error("invalid type specifier"); +} + +template +FMT_CONSTEXPR void check_string_type_spec(Char spec, ErrorHandler &&eh) { + if (spec != 0 && spec != 's') + eh.on_error("invalid type specifier"); +} + +template +FMT_CONSTEXPR void check_pointer_type_spec(Char spec, ErrorHandler &&eh) { + if (spec != 0 && spec != 'p') + eh.on_error("invalid type specifier"); +} + +template +class int_type_checker : private ErrorHandler { + public: + FMT_CONSTEXPR explicit int_type_checker(ErrorHandler eh) : ErrorHandler(eh) {} + + FMT_CONSTEXPR void on_dec() {} + FMT_CONSTEXPR void on_hex() {} + FMT_CONSTEXPR void on_bin() {} + FMT_CONSTEXPR void on_oct() {} + FMT_CONSTEXPR void on_num() {} + + FMT_CONSTEXPR void on_error() { + ErrorHandler::on_error("invalid type specifier"); + } +}; + +template +class float_type_checker : private ErrorHandler { + public: + FMT_CONSTEXPR explicit float_type_checker(ErrorHandler eh) + : ErrorHandler(eh) {} + + FMT_CONSTEXPR void on_general() {} + FMT_CONSTEXPR void on_exp() {} + FMT_CONSTEXPR void on_fixed() {} + FMT_CONSTEXPR void on_hex() {} + + FMT_CONSTEXPR void on_error() { + ErrorHandler::on_error("invalid type specifier"); + } +}; + +template +class char_specs_checker : public ErrorHandler { + private: + CharType type_; + + public: + FMT_CONSTEXPR char_specs_checker(CharType type, ErrorHandler eh) + : ErrorHandler(eh), type_(type) {} + + FMT_CONSTEXPR void on_int() { + handle_int_type_spec(type_, int_type_checker(*this)); + } + FMT_CONSTEXPR void on_char() {} +}; + +template +class cstring_type_checker : public ErrorHandler { + public: + FMT_CONSTEXPR explicit cstring_type_checker(ErrorHandler eh) + : ErrorHandler(eh) {} + + FMT_CONSTEXPR void on_string() {} + FMT_CONSTEXPR void on_pointer() {} +}; + +template +void arg_map::init(const basic_format_args &args) { + if (map_) + return; + map_ = new entry[args.max_size()]; + bool use_values = args.type(max_packed_args - 1) == internal::none_type; + if (use_values) { + for (unsigned i = 0;/*nothing*/; ++i) { + internal::type arg_type = args.type(i); + switch (arg_type) { + case internal::none_type: + return; + case internal::named_arg_type: + push_back(args.values_[i]); + break; + default: + break; // Do nothing. + } + } + } + for (unsigned i = 0; ; ++i) { + switch (args.args_[i].type_) { + case internal::none_type: + return; + case internal::named_arg_type: + push_back(args.args_[i].value_); + break; + default: + break; // Do nothing. + } + } +} + +template +class arg_formatter_base { + public: + typedef typename Range::value_type char_type; + typedef decltype(internal::declval().begin()) iterator; + typedef basic_format_specs format_specs; + + private: + typedef basic_writer writer_type; + writer_type writer_; + format_specs *specs_; + + struct char_writer { + char_type value; + template + void operator()(It &&it) const { *it++ = value; } + }; + + void write_char(char_type value) { + if (specs_) + writer_.write_padded(1, *specs_, char_writer{value}); + else + writer_.write(value); + } + + void write_pointer(const void *p) { + format_specs specs = specs_ ? *specs_ : format_specs(); + specs.flags_ = HASH_FLAG; + specs.type_ = 'x'; + writer_.write_int(reinterpret_cast(p), specs); + } + + protected: + writer_type &writer() { return writer_; } + format_specs *spec() { return specs_; } + iterator out() { return writer_.out(); } + + void write(bool value) { + string_view sv(value ? "true" : "false"); + specs_ ? writer_.write_str(sv, *specs_) : writer_.write(sv); + } + + void write(const char_type *value) { + if (!value) + FMT_THROW(format_error("string pointer is null")); + auto length = std::char_traits::length(value); + basic_string_view sv(value, length); + specs_ ? writer_.write_str(sv, *specs_) : writer_.write(sv); + } + + public: + arg_formatter_base(Range r, format_specs *s): writer_(r), specs_(s) {} + + iterator operator()(monostate) { + FMT_ASSERT(false, "invalid argument type"); + return out(); + } + + template + typename std::enable_if::value, iterator>::type + operator()(T value) { + // MSVC2013 fails to compile separate overloads for bool and char_type so + // use std::is_same instead. + if (std::is_same::value) { + if (specs_ && specs_->type_) + return (*this)(value ? 1 : 0); + write(value != 0); + } else if (std::is_same::value) { + internal::handle_char_specs( + specs_, char_spec_handler(*this, static_cast(value))); + } else { + specs_ ? writer_.write_int(value, *specs_) : writer_.write(value); + } + return out(); + } + + template + typename std::enable_if::value, iterator>::type + operator()(T value) { + writer_.write_double(value, specs_ ? *specs_ : format_specs()); + return out(); + } + + struct char_spec_handler : internal::error_handler { + arg_formatter_base &formatter; + char_type value; + + char_spec_handler(arg_formatter_base& f, char_type val) + : formatter(f), value(val) {} + + void on_int() { + if (formatter.specs_) + formatter.writer_.write_int(value, *formatter.specs_); + else + formatter.writer_.write(value); + } + void on_char() { formatter.write_char(value); } + }; + + struct cstring_spec_handler : internal::error_handler { + arg_formatter_base &formatter; + const char_type *value; + + cstring_spec_handler(arg_formatter_base &f, const char_type *val) + : formatter(f), value(val) {} + + void on_string() { formatter.write(value); } + void on_pointer() { formatter.write_pointer(value); } + }; + + iterator operator()(const char_type *value) { + if (!specs_) return write(value), out(); + internal::handle_cstring_type_spec( + specs_->type_, cstring_spec_handler(*this, value)); + return out(); + } + + iterator operator()(basic_string_view value) { + if (specs_) { + internal::check_string_type_spec( + specs_->type_, internal::error_handler()); + writer_.write_str(value, *specs_); + } else { + writer_.write(value); + } + return out(); + } + + iterator operator()(const void *value) { + if (specs_) + check_pointer_type_spec(specs_->type_, internal::error_handler()); + write_pointer(value); + return out(); + } +}; + +template +FMT_CONSTEXPR bool is_name_start(Char c) { + return ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z') || '_' == c; +} + +// DEPRECATED: Parses the input as an unsigned integer. This function assumes +// that the first character is a digit and presence of a non-digit character at +// the end. +// it: an iterator pointing to the beginning of the input range. +template +FMT_CONSTEXPR unsigned parse_nonnegative_int(Iterator &it, ErrorHandler &&eh) { + assert('0' <= *it && *it <= '9'); + unsigned value = 0; + // Convert to unsigned to prevent a warning. + unsigned max_int = (std::numeric_limits::max)(); + unsigned big = max_int / 10; + do { + // Check for overflow. + if (value > big) { + value = max_int + 1; + break; + } + value = value * 10 + unsigned(*it - '0'); + // Workaround for MSVC "setup_exception stack overflow" error: + auto next = it; + ++next; + it = next; + } while ('0' <= *it && *it <= '9'); + if (value > max_int) + eh.on_error("number is too big"); + return value; +} + +// Parses the range [begin, end) as an unsigned integer. This function assumes +// that the range is non-empty and the first character is a digit. +template +FMT_CONSTEXPR unsigned parse_nonnegative_int( + const Char *&begin, const Char *end, ErrorHandler &&eh) { + assert(begin != end && '0' <= *begin && *begin <= '9'); + unsigned value = 0; + // Convert to unsigned to prevent a warning. + unsigned max_int = (std::numeric_limits::max)(); + unsigned big = max_int / 10; + do { + // Check for overflow. + if (value > big) { + value = max_int + 1; + break; + } + value = value * 10 + unsigned(*begin++ - '0'); + } while (begin != end && '0' <= *begin && *begin <= '9'); + if (value > max_int) + eh.on_error("number is too big"); + return value; +} + +template +class custom_formatter: public function { + private: + Context &ctx_; + + public: + explicit custom_formatter(Context &ctx): ctx_(ctx) {} + + bool operator()(typename basic_format_arg::handle h) const { + h.format(ctx_); + return true; + } + + template + bool operator()(T) const { return false; } +}; + +template +struct is_integer { + enum { + value = std::is_integral::value && !std::is_same::value && + !std::is_same::value && !std::is_same::value + }; +}; + +template +class width_checker: public function { + public: + explicit FMT_CONSTEXPR width_checker(ErrorHandler &eh) : handler_(eh) {} + + template + FMT_CONSTEXPR + typename std::enable_if< + is_integer::value, unsigned long long>::type operator()(T value) { + if (is_negative(value)) + handler_.on_error("negative width"); + return static_cast(value); + } + + template + FMT_CONSTEXPR typename std::enable_if< + !is_integer::value, unsigned long long>::type operator()(T) { + handler_.on_error("width is not integer"); + return 0; + } + + private: + ErrorHandler &handler_; +}; + +template +class precision_checker: public function { + public: + explicit FMT_CONSTEXPR precision_checker(ErrorHandler &eh) : handler_(eh) {} + + template + FMT_CONSTEXPR typename std::enable_if< + is_integer::value, unsigned long long>::type operator()(T value) { + if (is_negative(value)) + handler_.on_error("negative precision"); + return static_cast(value); + } + + template + FMT_CONSTEXPR typename std::enable_if< + !is_integer::value, unsigned long long>::type operator()(T) { + handler_.on_error("precision is not integer"); + return 0; + } + + private: + ErrorHandler &handler_; +}; + +// A format specifier handler that sets fields in basic_format_specs. +template +class specs_setter { + public: + explicit FMT_CONSTEXPR specs_setter(basic_format_specs &specs): + specs_(specs) {} + + FMT_CONSTEXPR specs_setter(const specs_setter &other) : specs_(other.specs_) {} + + FMT_CONSTEXPR void on_align(alignment align) { specs_.align_ = align; } + FMT_CONSTEXPR void on_fill(Char fill) { specs_.fill_ = fill; } + FMT_CONSTEXPR void on_plus() { specs_.flags_ |= SIGN_FLAG | PLUS_FLAG; } + FMT_CONSTEXPR void on_minus() { specs_.flags_ |= MINUS_FLAG; } + FMT_CONSTEXPR void on_space() { specs_.flags_ |= SIGN_FLAG; } + FMT_CONSTEXPR void on_hash() { specs_.flags_ |= HASH_FLAG; } + + FMT_CONSTEXPR void on_zero() { + specs_.align_ = ALIGN_NUMERIC; + specs_.fill_ = '0'; + } + + FMT_CONSTEXPR void on_width(unsigned width) { specs_.width_ = width; } + FMT_CONSTEXPR void on_precision(unsigned precision) { + specs_.precision_ = static_cast(precision); + } + FMT_CONSTEXPR void end_precision() {} + + FMT_CONSTEXPR void on_type(Char type) { specs_.type_ = type; } + + protected: + basic_format_specs &specs_; +}; + +// A format specifier handler that checks if specifiers are consistent with the +// argument type. +template +class specs_checker : public Handler { + public: + FMT_CONSTEXPR specs_checker(const Handler& handler, internal::type arg_type) + : Handler(handler), arg_type_(arg_type) {} + + FMT_CONSTEXPR specs_checker(const specs_checker &other) + : Handler(other), arg_type_(other.arg_type_) {} + + FMT_CONSTEXPR void on_align(alignment align) { + if (align == ALIGN_NUMERIC) + require_numeric_argument(); + Handler::on_align(align); + } + + FMT_CONSTEXPR void on_plus() { + check_sign(); + Handler::on_plus(); + } + + FMT_CONSTEXPR void on_minus() { + check_sign(); + Handler::on_minus(); + } + + FMT_CONSTEXPR void on_space() { + check_sign(); + Handler::on_space(); + } + + FMT_CONSTEXPR void on_hash() { + require_numeric_argument(); + Handler::on_hash(); + } + + FMT_CONSTEXPR void on_zero() { + require_numeric_argument(); + Handler::on_zero(); + } + + FMT_CONSTEXPR void end_precision() { + if (is_integral(arg_type_) || arg_type_ == pointer_type) + this->on_error("precision not allowed for this argument type"); + } + + private: + FMT_CONSTEXPR void require_numeric_argument() { + if (!is_arithmetic(arg_type_)) + this->on_error("format specifier requires numeric argument"); + } + + FMT_CONSTEXPR void check_sign() { + require_numeric_argument(); + if (is_integral(arg_type_) && arg_type_ != int_type && + arg_type_ != long_long_type && arg_type_ != internal::char_type) { + this->on_error("format specifier requires signed argument"); + } + } + + internal::type arg_type_; +}; + +template