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