/* Copyright (c) 2013-2014 Jeffrey Pfau * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #ifndef VFS_H #define VFS_H #include CXX_GUARD_START #ifdef _WIN32 #include #include #define PATH_SEP "/" // Windows can handle slashes, and backslashes confuse some libraries #else #define PATH_SEP "/" #endif #ifndef PATH_MAX #ifdef MAX_PATH #define PATH_MAX MAX_PATH #else #define PATH_MAX 128 #endif #endif enum { MAP_READ = 1, MAP_WRITE = 2 }; enum VFSType { VFS_UNKNOWN = 0, VFS_FILE, VFS_DIRECTORY }; struct VFile { bool (*close)(struct VFile* vf); off_t (*seek)(struct VFile* vf, off_t offset, int whence); ssize_t (*read)(struct VFile* vf, void* buffer, size_t size); ssize_t (*readline)(struct VFile* vf, char* buffer, size_t size); ssize_t (*write)(struct VFile* vf, const void* buffer, size_t size); void* (*map)(struct VFile* vf, size_t size, int flags); void (*unmap)(struct VFile* vf, void* memory, size_t size); void (*truncate)(struct VFile* vf, size_t size); ssize_t (*size)(struct VFile* vf); bool (*sync)(struct VFile* vf, void* buffer, size_t size); }; #ifdef ENABLE_VFS struct VDirEntry { const char* (*name)(struct VDirEntry* vde); enum VFSType (*type)(struct VDirEntry* vde); }; struct VDir { bool (*close)(struct VDir* vd); void (*rewind)(struct VDir* vd); struct VDirEntry* (*listNext)(struct VDir* vd); struct VFile* (*openFile)(struct VDir* vd, const char* name, int mode); struct VDir* (*openDir)(struct VDir* vd, const char* name); bool (*deleteFile)(struct VDir* vd, const char* name); }; struct VFile* VFileOpen(const char* path, int flags); #endif #ifdef ENABLE_VFS_FD struct VFile* VFileOpenFD(const char* path, int flags); struct VFile* VFileFromFD(int fd); #endif #ifdef ENABLE_VFS_FILE struct VFile* VFileFOpen(const char* path, const char* mode); struct VFile* VFileFromFILE(FILE* file); #endif struct VFile* VFileFromMemory(void* mem, size_t size); struct VFile* VFileFromConstMemory(const void* mem, size_t size); struct VFile* VFileMemChunk(const void* mem, size_t size); struct mCircleBuffer; struct VFile* VFileFIFO(struct mCircleBuffer* backing); #ifdef ENABLE_VFS struct VDir* VDirOpen(const char* path); struct VDir* VDirOpenArchive(const char* path); #if defined(USE_LIBZIP) || defined(USE_MINIZIP) struct VDir* VDirOpenZip(const char* path, int flags); #endif #ifdef USE_LZMA struct VDir* VDirOpen7z(const char* path, int flags); #endif #if defined(__wii__) || defined(__3DS__) || defined(PSP2) struct VDir* VDeviceList(void); #endif bool VDirCreate(const char* path); struct VFile* VDirFindFirst(struct VDir* dir, bool (*filter)(struct VFile*)); struct VFile* VDirFindNextAvailable(struct VDir*, const char* basename, const char* infix, const char* suffix, int mode); #endif void separatePath(const char* path, char* dirname, char* basename, char* extension); bool isAbsolute(const char* path); void makeAbsolute(const char* path, const char* base, char* out); ssize_t VFileReadline(struct VFile* vf, char* buffer, size_t size); ssize_t VFileWrite32LE(struct VFile* vf, int32_t word); ssize_t VFileWrite16LE(struct VFile* vf, int16_t hword); ssize_t VFileRead32LE(struct VFile* vf, void* word); ssize_t VFileRead16LE(struct VFile* vf, void* hword); CXX_GUARD_END #endif