xromfs.h

[詳解]

/*
 * License: MIT license
 * Copyright (c) <2016> <MaskedW [maskedw00@gmail.com]>
 *
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use, copy,
 * modify, merge, publish, distribute, sublicense, and/or sell copies
 * of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#ifndef picox_filesystem_xromfs_h_
#define picox_filesystem_xromfs_h_


#include <picox/filesystem/xfscore.h>


#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */


#define X_ROMFS_TAG     (X_MAKE_TAG('X', 'R', 'O', 'F'))
typedef struct
{
    XTag        m_tag;
    const char* m_top;
    const char* m_rootdir;
    const char* m_curdir;
} XRomFs;


XError xromfs_init(XRomFs* fs, const void* romimage);


void xromfs_deinit(XRomFs* fs);


void xromfs_init_vfs(XRomFs* fs, XVirtualFs* vfs);


XStream* xromfs_init_stream(XStream* stream, XFile* fp);
XError xromfs_open(XRomFs* fs, const char* path, XOpenMode mode, XFile** o_fp);
XError xromfs_close(XFile* fp);
XError xromfs_read(XFile* fp, void* dst, size_t size, size_t* nread);
XError xromfs_seek(XFile* fp, XOffset pos, XSeekMode whence);
XError xromfs_tell(XFile* fp, XSize* pos);
XError xromfs_opendir(XRomFs* fs, const char* path, XDir** o_dir);
XError xromfs_readdir(XDir* dir, XDirEnt* dirent, XDirEnt** result);
XError xromfs_closedir(XDir* dir);
XError xromfs_chdir(XRomFs* fs, const char* path);
XError xromfs_getcwd(XRomFs* fs, char* buf, size_t size);
XError xromfs_stat(XRomFs* fs, const char* path, XStat* statbuf);


#ifdef __cplusplus
}
#endif /* __cplusplus */


#endif /* picox_filesystem_xromfs_h_ */