mirror of
https://github.com/libretro/ppsspp.git
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135 lines
4.2 KiB
C++
135 lines
4.2 KiB
C++
// Copyright (c) 2012- 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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#pragma once
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// TODO: Remove the Windows-specific code, FILE is fine there too.
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#include <map>
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#include "../Core/FileSystems/FileSystem.h"
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#ifdef _WIN32
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typedef void * HANDLE;
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#endif
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#if defined(__APPLE__)
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#if TARGET_OS_IPHONE
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#define HOST_IS_CASE_SENSITIVE 1
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#elif TARGET_IPHONE_SIMULATOR
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#define HOST_IS_CASE_SENSITIVE 0
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#else
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// Mac OSX case sensitivity defaults off, but is user configurable (when
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// creating a filesytem), so assume the worst:
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#define HOST_IS_CASE_SENSITIVE 1
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#endif
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#elif defined(_WIN32) || defined(__SYMBIAN32__)
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#define HOST_IS_CASE_SENSITIVE 0
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#else // Android, Linux, BSD (and the rest?)
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#define HOST_IS_CASE_SENSITIVE 1
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#endif
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class DirectoryFileSystem : public IFileSystem {
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public:
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DirectoryFileSystem(IHandleAllocator *_hAlloc, std::string _basePath);
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~DirectoryFileSystem();
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void DoState(PointerWrap &p);
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std::vector<PSPFileInfo> GetDirListing(std::string path);
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u32 OpenFile(std::string filename, FileAccess access);
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void CloseFile(u32 handle);
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size_t ReadFile(u32 handle, u8 *pointer, s64 size);
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size_t WriteFile(u32 handle, const u8 *pointer, s64 size);
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size_t SeekFile(u32 handle, s32 position, FileMove type);
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PSPFileInfo GetFileInfo(std::string filename);
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bool OwnsHandle(u32 handle);
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bool MkDir(const std::string &dirname);
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bool RmDir(const std::string &dirname);
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bool RenameFile(const std::string &from, const std::string &to);
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bool RemoveFile(const std::string &filename);
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bool GetHostPath(const std::string &inpath, std::string &outpath);
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private:
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struct OpenFileEntry {
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#ifdef _WIN32
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HANDLE hFile;
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#else
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FILE *hFile;
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#endif
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};
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typedef std::map<u32, OpenFileEntry> EntryMap;
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EntryMap entries;
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std::string basePath;
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IHandleAllocator *hAlloc;
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// In case of Windows: Translate slashes, etc.
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std::string GetLocalPath(std::string localpath);
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#if HOST_IS_CASE_SENSITIVE
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typedef enum {
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FPC_FILE_MUST_EXIST, // all path components must exist (rmdir, move from)
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FPC_PATH_MUST_EXIST, // all except the last one must exist - still tries to fix last one (fopen, move to)
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FPC_PARTIAL_ALLOWED, // don't care how many exist (mkdir recursive)
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} FixPathCaseBehavior;
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bool FixPathCase(std::string &path, FixPathCaseBehavior behavior);
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#endif
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};
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// VFSFileSystem: Ability to map in Android APK paths as well! Does not support all features, only meant for fonts.
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// Very inefficient - always load the whole file on open.
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class VFSFileSystem : public IFileSystem {
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public:
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VFSFileSystem(IHandleAllocator *_hAlloc, std::string _basePath);
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~VFSFileSystem();
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void DoState(PointerWrap &p);
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std::vector<PSPFileInfo> GetDirListing(std::string path);
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u32 OpenFile(std::string filename, FileAccess access);
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void CloseFile(u32 handle);
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size_t ReadFile(u32 handle, u8 *pointer, s64 size);
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size_t WriteFile(u32 handle, const u8 *pointer, s64 size);
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size_t SeekFile(u32 handle, s32 position, FileMove type);
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PSPFileInfo GetFileInfo(std::string filename);
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bool OwnsHandle(u32 handle);
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bool MkDir(const std::string &dirname);
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bool RmDir(const std::string &dirname);
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bool RenameFile(const std::string &from, const std::string &to);
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bool RemoveFile(const std::string &filename);
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bool GetHostPath(const std::string &inpath, std::string &outpath);
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private:
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struct OpenFileEntry {
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u8 *fileData;
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size_t size;
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size_t seekPos;
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};
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typedef std::map<u32, OpenFileEntry> EntryMap;
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EntryMap entries;
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std::string basePath;
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IHandleAllocator *hAlloc;
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std::string GetLocalPath(std::string localpath);
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};
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