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BlobFileSystem.cpp
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BlobFileSystem.cpp
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// Copyright (c) 2017- PPSSPP Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0 or later versions.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official git repository and contact information can be found at
// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
#include <ctime>
#include "Core/FileSystems/BlobFileSystem.h"
BlobFileSystem::BlobFileSystem(IHandleAllocator *hAlloc, FileLoader *fileLoader, std::string alias)
: alloc_(hAlloc), fileLoader_(fileLoader), alias_(alias) {
}
BlobFileSystem::~BlobFileSystem() {
// TODO: Who deletes fileLoader?
}
void BlobFileSystem::DoState(PointerWrap &p) {
// Not used in real emulation.
}
std::vector<PSPFileInfo> BlobFileSystem::GetDirListing(std::string path) {
std::vector<PSPFileInfo> listing;
listing.push_back(GetFileInfo(alias_));
return listing;
}
u32 BlobFileSystem::OpenFile(std::string filename, FileAccess access, const char *devicename) {
u32 newHandle = alloc_->GetNewHandle();
entries_[newHandle] = 0;
return newHandle;
}
void BlobFileSystem::CloseFile(u32 handle) {
alloc_->FreeHandle(handle);
entries_.erase(handle);
}
size_t BlobFileSystem::ReadFile(u32 handle, u8 *pointer, s64 size) {
auto entry = entries_.find(handle);
if (entry != entries_.end()) {
size_t readSize = fileLoader_->ReadAt(entry->second, size, pointer);
entry->second += readSize;
return readSize;
}
return 0;
}
size_t BlobFileSystem::ReadFile(u32 handle, u8 *pointer, s64 size, int &usec) {
usec = 0;
return ReadFile(handle, pointer, size);
}
size_t BlobFileSystem::WriteFile(u32 handle, const u8 *pointer, s64 size) {
return 0;
}
size_t BlobFileSystem::WriteFile(u32 handle, const u8 *pointer, s64 size, int &usec) {
return 0;
}
size_t BlobFileSystem::SeekFile(u32 handle, s32 position, FileMove type) {
auto entry = entries_.find(handle);
if (entry != entries_.end()) {
switch (type) {
case FILEMOVE_BEGIN:
entry->second = position;
break;
case FILEMOVE_CURRENT:
entry->second += position;
break;
case FILEMOVE_END:
entry->second = fileLoader_->FileSize() + position;
break;
}
return (size_t)entry->second;
}
return 0;
}
PSPFileInfo BlobFileSystem::GetFileInfo(std::string filename) {
PSPFileInfo info{};
info.name = alias_;
info.size = fileLoader_->FileSize();
info.access = 0666;
info.exists = true;
info.type = FILETYPE_NORMAL;
return info;
}
bool BlobFileSystem::OwnsHandle(u32 handle) {
auto entry = entries_.find(handle);
return entry != entries_.end();
}
int BlobFileSystem::Ioctl(u32 handle, u32 cmd, u32 indataPtr, u32 inlen, u32 outdataPtr, u32 outlen, int &usec) {
return -1;
}
int BlobFileSystem::DevType(u32 handle) {
return -1;
}
bool BlobFileSystem::MkDir(const std::string &dirname) {
return false;
}
bool BlobFileSystem::RmDir(const std::string &dirname) {
return false;
}
int BlobFileSystem::RenameFile(const std::string &from, const std::string &to) {
return -1;
}
bool BlobFileSystem::RemoveFile(const std::string &filename) {
return false;
}
bool BlobFileSystem::GetHostPath(const std::string &inpath, std::string &outpath) {
outpath = fileLoader_->Path();
return true;
}
u64 BlobFileSystem::FreeSpace(const std::string &path) {
return 0;
}