mirror of
https://github.com/libretro/ppsspp.git
synced 2024-12-11 18:33:41 +00:00
112 lines
2.9 KiB
C++
112 lines
2.9 KiB
C++
// Copyright (c) 2012- 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/.
|
|
|
|
#pragma once
|
|
|
|
#include <string>
|
|
#include <memory>
|
|
|
|
#include "Common/CommonTypes.h"
|
|
|
|
enum class IdentifiedFileType {
|
|
ERROR_IDENTIFYING,
|
|
|
|
PSP_PBP_DIRECTORY,
|
|
|
|
PSP_PBP,
|
|
PSP_ELF,
|
|
PSP_ISO,
|
|
PSP_ISO_NP,
|
|
|
|
PSP_DISC_DIRECTORY,
|
|
|
|
UNKNOWN_BIN,
|
|
UNKNOWN_ELF,
|
|
|
|
// Try to reduce support emails...
|
|
ARCHIVE_RAR,
|
|
ARCHIVE_ZIP,
|
|
ARCHIVE_7Z,
|
|
PSP_PS1_PBP,
|
|
ISO_MODE2,
|
|
|
|
NORMAL_DIRECTORY,
|
|
|
|
PSP_SAVEDATA_DIRECTORY,
|
|
PPSSPP_SAVESTATE,
|
|
|
|
PPSSPP_GE_DUMP,
|
|
|
|
UNKNOWN,
|
|
};
|
|
|
|
|
|
class FileLoader {
|
|
// NB: It is a REQUIREMENT that implementations of this class are entirely thread safe!
|
|
public:
|
|
enum class Flags {
|
|
NONE,
|
|
// Not necessary to read from / store into cache.
|
|
HINT_UNCACHED,
|
|
};
|
|
|
|
virtual ~FileLoader() {}
|
|
|
|
virtual bool Exists() = 0;
|
|
virtual bool ExistsFast() {
|
|
return Exists();
|
|
}
|
|
virtual bool IsDirectory() = 0;
|
|
virtual s64 FileSize() = 0;
|
|
virtual std::string Path() const = 0;
|
|
virtual std::string Extension() {
|
|
const std::string filename = Path();
|
|
size_t pos = filename.find_last_of('.');
|
|
if (pos == filename.npos) {
|
|
return "";
|
|
} else {
|
|
return filename.substr(pos);
|
|
}
|
|
}
|
|
virtual size_t ReadAt(s64 absolutePos, size_t bytes, size_t count, void *data, Flags flags = Flags::NONE) = 0;
|
|
virtual size_t ReadAt(s64 absolutePos, size_t bytes, void *data, Flags flags = Flags::NONE) {
|
|
return ReadAt(absolutePos, 1, bytes, data, flags);
|
|
}
|
|
};
|
|
|
|
inline u32 operator & (const FileLoader::Flags &a, const FileLoader::Flags &b) {
|
|
return (u32)a & (u32)b;
|
|
}
|
|
|
|
FileLoader *ConstructFileLoader(const std::string &filename);
|
|
// Resolve to the target binary, ISO, or other file (e.g. from a directory.)
|
|
FileLoader *ResolveFileLoaderTarget(FileLoader *fileLoader);
|
|
|
|
std::string ResolvePBPDirectory(const std::string &filename);
|
|
std::string ResolvePBPFile(const std::string &filename);
|
|
|
|
IdentifiedFileType Identify_File(FileLoader *fileLoader);
|
|
|
|
class FileLoaderFactory {
|
|
public:
|
|
virtual FileLoader *ConstructFileLoader(const std::string &filename) = 0;
|
|
};
|
|
void RegisterFileLoaderFactory(std::string name, std::unique_ptr<FileLoaderFactory> factory);
|
|
|
|
// Can modify the string filename, as it calls IdentifyFile above.
|
|
bool LoadFile(FileLoader **fileLoaderPtr, std::string *error_string);
|