qcoro 0.4.0

recipes/qcoro/all/CMakeLists.txt

@@ -0,0 +1,7 @@
+cmake_minimum_required(VERSION 3.1)
+project(cmake_wrapper)
+
+include("conanbuildinfo.cmake")
+conan_basic_setup(TARGETS)
+
+add_subdirectory(source_subfolder)

recipes/qcoro/all/conandata.yml

@@ -0,0 +1,4 @@
+sources:
+  "0.4.0":
+    url: "https://github.com/danvratil/qcoro/archive/refs/tags/v0.4.0.tar.gz"
+    sha256: "0e68b3f0ce7bf521ffbdd731464d2d60d8d7a39a749b551ed26855a1707d86d1"

recipes/qcoro/all/conanfile.py

@@ -0,0 +1,147 @@
+from conans import ConanFile, CMake, tools
+from conans.errors import ConanInvalidConfiguration
+import os
+
+required_conan_version = ">=1.33.0"
+
+
+class QCoroConan(ConanFile):
+    name = "qcoro"
+    license = "MIT"
+    homepage = "https://github.com/danvratil/qcoro"
+    url = "https://github.com/conan-io/conan-center-index"
+    description = "C++ Coroutines for Qt."
+    topics = ("coroutines", "qt")
+    settings = "os", "compiler", "build_type", "arch"
+    options = {
+        "shared": [True, False],
+        "fPIC": [True, False],
+        "asan": [True, False],
+    }
+    default_options = {
+        "shared": False,
+        "fPIC": True,
+        "asan": False,
+    }
+    generators = "cmake", "cmake_find_package_multi"
+    exports_sources = ["CMakeLists.txt"]
+    _cmake = None
+
+    @property
+    def _source_subfolder(self):
+        return "source_subfolder"
+
+    @property
+    def _build_subfolder(self):
+        return "build_subfolder"
+
+    @property
+    def _compilers_minimum_version(self):
+        minimum_versions = {
+                "gcc": "10",
+                "Visual Studio": "17",
+                "msvc": "19.29",
+                "clang": "8",
+                "apple-clang": "13"
+        }
+        return minimum_versions
+
+    def config_options(self):
+        if self.settings.os == "Windows":
+            del self.options.fPIC
+
+    def configure(self):
+        if self.options.shared:
+            del self.options.fPIC
+
+    def build_requirements(self):
+        self.build_requires("cmake/3.21.3")
+
+    def requirements(self):
+        self.requires("qt/6.2.2")
+        self.requires("expat/2.4.2", override=True)
+
+    def validate(self):
+        if self.settings.compiler.cppstd:
+            tools.check_min_cppstd(self, 20)
+
+        def lazy_lt_semver(v1, v2):
+            lv1 = [int(v) for v in v1.split(".")]
+            lv2 = [int(v) for v in v2.split(".")]
+            min_length = min(len(lv1), len(lv2))
+            return lv1[:min_length] < lv2[:min_length]
+
+        #Special check for clang that can only be linked to libc++
+        if self.settings.compiler == "clang" and self.settings.compiler.libcxx != "libc++":
+            raise ConanInvalidConfiguration("imagl requires some C++20 features, which are available in libc++ for clang compiler.")
+
+        compiler_version = str(self.settings.compiler.version)
+
+        minimum_version = self._compilers_minimum_version.get(str(self.settings.compiler), False)
+        if not minimum_version:
+            self.output.warn("qcoro requires C++20. Your compiler is unknown. Assuming it supports C++20.")
+        elif lazy_lt_semver(compiler_version, minimum_version):
+            raise ConanInvalidConfiguration("qcoro requires some C++20 features, which your {} {} compiler does not support.".format(str(self.settings.compiler), compiler_version))
+        else:
+            print("Your compiler is {} {} and is compatible.".format(str(self.settings.compiler), compiler_version))
+
+    def source(self):
+        tools.get(**self.conan_data["sources"][self.version],
+                  destination=self._source_subfolder, strip_root=True)
+
+    def _configure_cmake(self):
+        if self._cmake:
+            return self._cmake
+
+        self._cmake = CMake(self)
+
+        self._cmake.definitions["QCORO_BUILD_EXAMPLES"] = False
+        self._cmake.definitions["QCORO_ENABLE_ASAN"] = self.options.asan
+        self._cmake.definitions["BUILD_TESTING"] = False
+        self._cmake.definitions["QCORO_WITH_QTDBUS"] = self.options["qt"].with_dbus
+        self._cmake.configure(build_folder=self._build_subfolder)
+        return self._cmake
+
+    def build(self):
+        for patch in self.conan_data.get("patches", {}).get(self.version, []):
+            tools.patch(**patch)
+        cmake = self._configure_cmake()
+        cmake.build()
+
+    def package(self):
+        self.copy("*", dst="licenses", src=os.path.join(self._source_subfolder, "LICENSES"))
+        cmake = self._configure_cmake()
+        cmake.install()
+
+        for mask in ["Find*.cmake", "*Config*.cmake", "*-config.cmake", "*Targets*.cmake"]:
+            tools.remove_files_by_mask(self.package_folder, mask)
+
+    def package_info(self):
+        self.cpp_info.filenames["cmake_find_package"] = "QCoro6"
+        self.cpp_info.filenames["cmake_find_package_multi"] = "QCoro6"
+        self.cpp_info.set_property("cmake_file_name", "QCoro6")
+        self.cpp_info.names["cmake_find_package"] = "QCoro"
+        self.cpp_info.names["cmake_find_package_multi"] = "QCoro"
+
+        self.cpp_info.components["qcoro-core"].set_property("cmake_target_name", "QCoro::Core")
+        self.cpp_info.components["qcoro-core"].names["cmake_find_package"] = "Core"
+        self.cpp_info.components["qcoro-core"].names["cmake_find_package_multi"] = "Core"
+        self.cpp_info.components["qcoro-core"].libs = ["QCoro6Core"]
+        self.cpp_info.components["qcoro-core"].includedirs.append(os.path.join("include", "qcoro6", "qcoro"))
+        self.cpp_info.components["qcoro-core"].requires = ["qt::qtCore"]
+        self.cpp_info.components["qcoro-core"].build_modules["cmake_find_package"].append(os.path.join("lib", "cmake", "QCoro6Coro", "QCoroMacros.cmake"))
+        self.cpp_info.components["qcoro-core"].build_modules["cmake_find_package_multi"].append(os.path.join("lib", "cmake", "QCoro6Coro", "QCoroMacros.cmake"))
+        self.cpp_info.components["qcoro-core"].builddirs.append(os.path.join("lib", "cmake", "QCoro6Coro"))
+
+        self.cpp_info.components["qcoro-network"].set_property("cmake_target_name", "QCoro::Network")
+        self.cpp_info.components["qcoro-network"].names["cmake_find_package"] = "Network"
+        self.cpp_info.components["qcoro-network"].names["cmake_find_package_multi"] = "Network"
+        self.cpp_info.components["qcoro-network"].libs = ["QCoro6Network"]
+        self.cpp_info.components["qcoro-network"].requires = ["qt::qtNetwork"]
+
+        if self.options["qt"].with_dbus:
+            self.cpp_info.components["qcoro-dbus"].set_property("cmake_target_name", "QCoro::DBus")
+            self.cpp_info.components["qcoro-dbus"].names["cmake_find_package"] = "DBus"
+            self.cpp_info.components["qcoro-dbus"].names["cmake_find_package_multi"] = "DBus"
+            self.cpp_info.components["qcoro-dbus"].libs = ["QCoroDBus"]
+            self.cpp_info.components["qcoro-core"].requires = ["qt::qtDBus"]

recipes/qcoro/all/test_package/CMakeLists.txt

@@ -0,0 +1,14 @@
+cmake_minimum_required(VERSION 3.1)
+project(test_package CXX)
+
+include(${CMAKE_BINARY_DIR}/conanbuildinfo.cmake)
+conan_basic_setup(TARGETS)
+
+find_package(QCoro6 REQUIRED COMPONENTS Core)
+qcoro_enable_coroutines()
+
+add_executable(${PROJECT_NAME} test_package.cpp)
+target_link_libraries(${PROJECT_NAME} QCoro::Core
+    Qt6::Core
+    Qt6::Concurrent)
+set_target_properties(${PROJECT_NAME} PROPERTIES CXX_STANDARD 20)

recipes/qcoro/all/test_package/conanfile.py

@@ -0,0 +1,19 @@
+from conans import ConanFile, CMake, tools
+import os
+
+
+class TestPackageConan(ConanFile):
+    settings = "os", "arch", "compiler", "build_type"
+    generators = "cmake", "cmake_find_package"
+
+    def build_requirements(self):
+        self.build_requires("cmake/3.21.3")
+
+    def build(self):
+        cmake = CMake(self)
+        cmake.configure()
+        cmake.build()
+
+    def test(self):
+        if not tools.cross_building(self):
+            self.run(os.path.join("bin", "test_package"), run_environment=True)

recipes/qcoro/all/test_package/test_package.cpp

@@ -0,0 +1,41 @@
+// SPDX-FileCopyrightText: 2021 Daniel Vrátil <dvratil@kde.org>
+//
+// SPDX-License-Identifier: MIT
+
+#include "qcorofuture.h"
+
+#include <QCoreApplication>
+#include <QTimer>
+#include <QtConcurrent>
+
+#include <iostream>
+#include <random>
+
+QCoro::Task<> startTask() {
+    const auto data = co_await QtConcurrent::run([]() {
+        QVector<std::uint64_t> data;
+        std::random_device rd{};
+        std::mt19937 gen{rd()};
+        data.reserve(10'000'000);
+        for (int i = 0; i < 10'000'000; ++i) {
+            data.push_back(gen());
+        }
+        return data;
+    });
+
+    std::cout << "Generated " << data.size() << " random numbers" << std::endl;
+
+    const auto sum = co_await QtConcurrent::filteredReduced<std::uint64_t>(
+        data, [](const auto &) { return true; },
+        [](std::uint64_t &interm, std::uint64_t val) { interm += val; },
+        QtConcurrent::UnorderedReduce);
+
+    std::cout << "Calculated result: " << sum << std::endl;
+    qApp->quit();
+}
+
+int main(int argc, char **argv) {
+    QCoreApplication app(argc, argv);
+    QTimer::singleShot(0, startTask);
+    return app.exec();
+}

recipes/qcoro/config.yml

@@ -0,0 +1,3 @@
+versions:
+  "0.4.0":
+    folder: all