fcitx-libs-dev 1:4.2.9.1-1ubuntu1 / usr / include / fcitx-config / xdg.h

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 *   Copyright (C) 2010~2010 by CSSlayer                                   *
 *   wengxt@gmail.com                                                      *
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/**
 * @addtogroup FcitxConfig
 */

/**
 * @file xdg.h
 * XDG Related path handle
 * @author CSSlayer
 * @version 4.0.0
 * @date 2010-05-02
 */

#ifndef _FCITX_XDG_H_
#define _FCITX_XDG_H_

#include <stdio.h>
#include <fcitx-utils/utils.h>

#ifdef __cplusplus
extern "C"
{
#endif

    /**
     * Get library file
     *
     * @param filename filename
     * @param mode file open mode
     * @param retFile return file name
     * @return FILE*
     **/
    FILE *FcitxXDGGetLibFile(const char *filename, const char *mode, char **retFile);

    /**
     * Get library path
     *
     * @param len length
     * @return char**
     **/
    char** FcitxXDGGetLibPath(size_t* len);

#ifdef FCITX_CONFIG_XDG_DEPRECATED
    /**
     * get a xdg file pointer with given path, if mode contains "w", it will create necessary parent folder,
     *
     * @param fileName filename
     * @param path returns by FcitxXDGGetPath
     * @param mode file open mode
     * @param len length of path
     * @param retFile return file name
     * @return FILE*
     *
     * @deprecated
     *
     * @see FcitxXDGGetPath
     **/
    FILE *FcitxXDGGetFile(const char *fileName, char **path, const char *mode, size_t len, char **retFile);

    /**
     * get xdg path with given arguement, do not use this directly
     *
     * @param len return array size
     * @param homeEnv homeEnv
     * @param homeDefault homeDefault
     * @param suffixHome suffixHome
     * @param dirsDefault dirsDefault
     * @param suffixGlobal suffixGlobal
     *
     * @deprecated
     *
     * @return char**
     **/
    char **FcitxXDGGetPath(
        size_t *len,
        const char* homeEnv,
        const char* homeDefault,
        const char* suffixHome,
        const char* dirsDefault,
        const char* suffixGlobal);
#endif

    /**
     * get xdg path with prefix
     *
     * @param len return array size
     * @param prefix prefix
     *
     * @return char**
     *
     * @since 4.2.1
     **/
    char **FcitxXDGGetPathWithPrefix(
        size_t *len,
        const char* prefix);

    /**
     * get xdg user path with prefix
     *
     * @param len return array size
     * @param prefix prefix
     *
     * @return char**
     *
     * @since 4.2.6
     **/
    char **FcitxXDGGetPathUserWithPrefix(
        size_t *len,
        const char* prefix);

    /**
     * get xdg file with prefix string, usually [install_prefix]/fcitx/prefix/filename and ~/.config/fcitx/prefix/filename
     * for "mode", if mode contains "w", "a" (which means writing), all parent directory will be created automatically.
     *
     * if mode is null, retFile will always be allocated, but to make it more concrete, please use FcitxXDGGetFileUserWithPrefix
     * if mode contains no "w" / "a", retFile will be NULL if fp is NULL.
     * if mode contains "w"/"a", retFile will be the first file being tried.
     *
     * for former condition:
     * if xdg path is empty, fileName will be returned if ret file
     *
     * @param prefix prefix
     * @param fileName filename
     * @param mode file open mode
     * @param retFile file name to return
     * @return FILE*
     *
     **/
    FILE *FcitxXDGGetFileWithPrefix(const char* prefix, const char *fileName, const char *mode, char**retFile);
    /**
     * get xdg file with prefix string, usually ~/.config/fcitx/prefix/filename
     *
     * @param prefix prefix
     * @param fileName filename
     * @param mode file open mode
     * @param retFile file name to return
     * @return FILE*
     *
     * @see FcitxXDGGetFileWithPrefix
     *
     **/
    FILE *FcitxXDGGetFileUserWithPrefix(const char* prefix, const char *fileName, const char *mode, char **retFile);


    /**
     * make a dir with prefix under user, no return value indicates it's successful created or not.
     *
     * @param prefix
     * @return void
     *
     * @since 4.2.7
     **/
    void FcitxXDGMakeDirUser(const char* prefix);

    /**
     * free xdg path return by FcitxXDGGetPath, FcitxXDGGetLibPath, FcitxXDGGetPathUserWithPrefix,
     * and FcitxXDGGetPathWithPrefix
     *
     * @param path path array
     * @return void
     **/
    void FcitxXDGFreePath(char **path);

    /**
     * Get All files under directory with a suffix, the path usually be
     * ~/.config/fcitx/path/prefix*suffix and
     * [prefix]/share/fcitx/path/prefix*suffix
     *
     * It will only return the file name in form of path/prefix*suffix,
     * since for file in fcitx, if user file and system file both exists,
     * user file will override system file. This will make life easier when
     * you want to load a bunch of sub-configuration, and want to have a
     * unique set of file names.
     *
     * @param path xdg subpath
     * @param prefix filename prefix
     * @param suffix filename suffix
     * @return StringHashSet*
     *
     * @since 4.2.0
     **/
    FcitxStringHashSet *FcitxXDGGetFiles(const char *path, const char *prefix,
                                         const char *suffix);

#ifdef __cplusplus
}

#endif

#endif

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