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cog/Audio/ThirdParty/RetroArch/libretro-common/include/file/file_path.h

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/* Copyright (C) 2010-2020 The RetroArch team
*
* ---------------------------------------------------------------------------------------
* The following license statement only applies to this file (file_path.h).
* ---------------------------------------------------------------------------------------
*
* 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 __LIBRETRO_SDK_FILE_PATH_H
#define __LIBRETRO_SDK_FILE_PATH_H
#include <stdio.h>
#include <stdint.h>
#include <stddef.h>
#include <sys/types.h>
#include <libretro.h>
#include <retro_common_api.h>
#include <boolean.h>
RETRO_BEGIN_DECLS
#define PATH_REQUIRED_VFS_VERSION 3
void path_vfs_init(const struct retro_vfs_interface_info* vfs_info);
/* Order in this enum is equivalent to negative sort order in filelist
* (i.e. DIRECTORY is on top of PLAIN_FILE) */
enum
{
RARCH_FILETYPE_UNSET,
RARCH_PLAIN_FILE,
RARCH_COMPRESSED_FILE_IN_ARCHIVE,
RARCH_COMPRESSED_ARCHIVE,
RARCH_DIRECTORY,
RARCH_FILE_UNSUPPORTED
};
/**
* path_is_compressed_file:
* @path : path
*
* Checks if path is a compressed file.
*
* Returns: true (1) if path is a compressed file, otherwise false (0).
**/
bool path_is_compressed_file(const char *path);
/**
* path_contains_compressed_file:
* @path : path
*
* Checks if path contains a compressed file.
*
* Currently we only check for hash symbol (#) inside the pathname.
* If path is ever expanded to a general URI, we should check for that here.
*
* Example: Somewhere in the path there might be a compressed file
* E.g.: /path/to/file.7z#mygame.img
*
* Returns: true (1) if path contains compressed file, otherwise false (0).
**/
#define path_contains_compressed_file(path) (path_get_archive_delim((path)) != NULL)
/**
* path_get_archive_delim:
* @path : path
*
* Gets delimiter of an archive file. Only the first '#'
* after a compression extension is considered.
*
* Returns: pointer to the delimiter in the path if it contains
* a compressed file, otherwise NULL.
*/
const char *path_get_archive_delim(const char *path);
/**
* path_get_extension:
* @path : path
*
* Gets extension of file. Only '.'s
* after the last slash are considered.
*
* Returns: extension part from the path.
*/
const char *path_get_extension(const char *path);
/**
* path_remove_extension:
* @path : path
*
* Mutates path by removing its extension. Removes all
* text after and including the last '.'.
* Only '.'s after the last slash are considered.
*
* Returns:
* 1) If path has an extension, returns path with the
* extension removed.
* 2) If there is no extension, returns NULL.
* 3) If path is empty or NULL, returns NULL
*/
char *path_remove_extension(char *path);
/**
* path_basename:
* @path : path
*
* Get basename from @path.
*
* Returns: basename from path.
**/
const char *path_basename(const char *path);
const char *path_basename_nocompression(const char *path);
/**
* path_basedir:
* @path : path
*
* Extracts base directory by mutating path.
* Keeps trailing '/'.
**/
void path_basedir(char *path);
/**
* path_parent_dir:
* @path : path
*
* Extracts parent directory by mutating path.
* Assumes that path is a directory. Keeps trailing '/'.
* If the path was already at the root directory, returns empty string
**/
void path_parent_dir(char *path);
/**
* path_resolve_realpath:
* @buf : input and output buffer for path
* @size : size of buffer
* @resolve_symlinks : whether to resolve symlinks or not
*
* Resolves use of ".", "..", multiple slashes etc in absolute paths.
*
* Relative paths are rebased on the current working dir.
*
* Returns: @buf if successful, NULL otherwise.
* Note: Not implemented on consoles
* Note: Symlinks are only resolved on Unix-likes
* Note: The current working dir might not be what you expect,
* e.g. on Android it is "/"
* Use of fill_pathname_resolve_relative() should be prefered
**/
char *path_resolve_realpath(char *buf, size_t size, bool resolve_symlinks);
/**
* path_relative_to:
* @out : buffer to write the relative path to
* @path : path to be expressed relatively
* @base : relative to this
* @size : size of output buffer
*
* Turns @path into a path relative to @base and writes it to @out.
*
* @base is assumed to be a base directory, i.e. a path ending with '/' or '\'.
* Both @path and @base are assumed to be absolute paths without "." or "..".
*
* E.g. path /a/b/e/f.cgp with base /a/b/c/d/ turns into ../../e/f.cgp
**/
size_t path_relative_to(char *out, const char *path, const char *base, size_t size);
/**
* path_is_absolute:
* @path : path
*
* Checks if @path is an absolute path or a relative path.
*
* Returns: true if path is absolute, false if path is relative.
**/
bool path_is_absolute(const char *path);
/**
* fill_pathname:
* @out_path : output path
* @in_path : input path
* @replace : what to replace
* @size : buffer size of output path
*
* FIXME: Verify
*
* Replaces filename extension with 'replace' and outputs result to out_path.
* The extension here is considered to be the string from the last '.'
* to the end.
*
* Only '.'s after the last slash are considered as extensions.
* If no '.' is present, in_path and replace will simply be concatenated.
* 'size' is buffer size of 'out_path'.
* E.g.: in_path = "/foo/bar/baz/boo.c", replace = ".asm" =>
* out_path = "/foo/bar/baz/boo.asm"
* E.g.: in_path = "/foo/bar/baz/boo.c", replace = "" =>
* out_path = "/foo/bar/baz/boo"
*/
void fill_pathname(char *out_path, const char *in_path,
const char *replace, size_t size);
/**
* fill_dated_filename:
* @out_filename : output filename
* @ext : extension of output filename
* @size : buffer size of output filename
*
* Creates a 'dated' filename prefixed by 'RetroArch', and
* concatenates extension (@ext) to it.
*
* E.g.:
* out_filename = "RetroArch-{month}{day}-{Hours}{Minutes}.{@ext}"
**/
size_t fill_dated_filename(char *out_filename,
const char *ext, size_t size);
/**
* fill_str_dated_filename:
* @out_filename : output filename
* @in_str : input string
* @ext : extension of output filename
* @size : buffer size of output filename
*
* Creates a 'dated' filename prefixed by the string @in_str, and
* concatenates extension (@ext) to it.
*
* E.g.:
* out_filename = "RetroArch-{year}{month}{day}-{Hour}{Minute}{Second}.{@ext}"
**/
void fill_str_dated_filename(char *out_filename,
const char *in_str, const char *ext, size_t size);
/**
* fill_pathname_noext:
* @out_path : output path
* @in_path : input path
* @replace : what to replace
* @size : buffer size of output path
*
* Appends a filename extension 'replace' to 'in_path', and outputs
* result in 'out_path'.
*
* Assumes in_path has no extension. If an extension is still
* present in 'in_path', it will be ignored.
*
*/
size_t fill_pathname_noext(char *out_path, const char *in_path,
const char *replace, size_t size);
/**
* find_last_slash:
* @str : input path
*
* Gets a pointer to the last slash in the input path.
*
* Returns: a pointer to the last slash in the input path.
**/
char *find_last_slash(const char *str);
/**
* fill_pathname_dir:
* @in_dir : input directory path
* @in_basename : input basename to be appended to @in_dir
* @replace : replacement to be appended to @in_basename
* @size : size of buffer
*
* Appends basename of 'in_basename', to 'in_dir', along with 'replace'.
* Basename of in_basename is the string after the last '/' or '\\',
* i.e the filename without directories.
*
* If in_basename has no '/' or '\\', the whole 'in_basename' will be used.
* 'size' is buffer size of 'in_dir'.
*
* E.g..: in_dir = "/tmp/some_dir", in_basename = "/some_content/foo.c",
* replace = ".asm" => in_dir = "/tmp/some_dir/foo.c.asm"
**/
size_t fill_pathname_dir(char *in_dir, const char *in_basename,
const char *replace, size_t size);
/**
* fill_pathname_base:
* @out : output path
* @in_path : input path
* @size : size of output path
*
* Copies basename of @in_path into @out_path.
**/
size_t fill_pathname_base(char *out_path, const char *in_path, size_t size);
void fill_pathname_base_noext(char *out_dir,
const char *in_path, size_t size);
size_t fill_pathname_base_ext(char *out,
const char *in_path, const char *ext,
size_t size);
/**
* fill_pathname_basedir:
* @out_dir : output directory
* @in_path : input path
* @size : size of output directory
*
* Copies base directory of @in_path into @out_path.
* If in_path is a path without any slashes (relative current directory),
* @out_path will get path "./".
**/
void fill_pathname_basedir(char *out_path, const char *in_path, size_t size);
void fill_pathname_basedir_noext(char *out_dir,
const char *in_path, size_t size);
/**
* fill_pathname_parent_dir_name:
* @out_dir : output directory
* @in_dir : input directory
* @size : size of output directory
*
* Copies only the parent directory name of @in_dir into @out_dir.
* The two buffers must not overlap. Removes trailing '/'.
* Returns true on success, false if a slash was not found in the path.
**/
bool fill_pathname_parent_dir_name(char *out_dir,
const char *in_dir, size_t size);
/**
* fill_pathname_parent_dir:
* @out_dir : output directory
* @in_dir : input directory
* @size : size of output directory
*
* Copies parent directory of @in_dir into @out_dir.
* Assumes @in_dir is a directory. Keeps trailing '/'.
* If the path was already at the root directory, @out_dir will be an empty string.
**/
void fill_pathname_parent_dir(char *out_dir,
const char *in_dir, size_t size);
/**
* fill_pathname_resolve_relative:
* @out_path : output path
* @in_refpath : input reference path
* @in_path : input path
* @size : size of @out_path
*
* Joins basedir of @in_refpath together with @in_path.
* If @in_path is an absolute path, out_path = in_path.
* E.g.: in_refpath = "/foo/bar/baz.a", in_path = "foobar.cg",
* out_path = "/foo/bar/foobar.cg".
**/
void fill_pathname_resolve_relative(char *out_path, const char *in_refpath,
const char *in_path, size_t size);
/**
* fill_pathname_join:
* @out_path : output path
* @dir : directory
* @path : path
* @size : size of output path
*
* Joins a directory (@dir) and path (@path) together.
* Makes sure not to get two consecutive slashes
* between directory and path.
**/
size_t fill_pathname_join(char *out_path, const char *dir,
const char *path, size_t size);
size_t fill_pathname_join_special_ext(char *out_path,
const char *dir, const char *path,
const char *last, const char *ext,
size_t size);
size_t fill_pathname_join_concat_noext(char *out_path,
const char *dir, const char *path,
const char *concat,
size_t size);
size_t fill_pathname_join_concat(char *out_path,
const char *dir, const char *path,
const char *concat,
size_t size);
void fill_pathname_join_noext(char *out_path,
const char *dir, const char *path, size_t size);
/**
* fill_pathname_join_delim:
* @out_path : output path
* @dir : directory
* @path : path
* @delim : delimiter
* @size : size of output path
*
* Joins a directory (@dir) and path (@path) together
* using the given delimiter (@delim).
**/
size_t fill_pathname_join_delim(char *out_path, const char *dir,
const char *path, const char delim, size_t size);
size_t fill_pathname_join_delim_concat(char *out_path, const char *dir,
const char *path, const char delim, const char *concat,
size_t size);
/**
* fill_short_pathname_representation:
* @out_rep : output representation
* @in_path : input path
* @size : size of output representation
*
* Generates a short representation of path. It should only
* be used for displaying the result; the output representation is not
* binding in any meaningful way (for a normal path, this is the same as basename)
* In case of more complex URLs, this should cut everything except for
* the main image file.
*
* E.g.: "/path/to/game.img" -> game.img
* "/path/to/myarchive.7z#folder/to/game.img" -> game.img
*/
size_t fill_short_pathname_representation(char* out_rep,
const char *in_path, size_t size);
void fill_short_pathname_representation_noext(char* out_rep,
const char *in_path, size_t size);
void fill_pathname_expand_special(char *out_path,
const char *in_path, size_t size);
void fill_pathname_abbreviate_special(char *out_path,
const char *in_path, size_t size);
void fill_pathname_abbreviated_or_relative(char *out_path, const char *in_refpath, const char *in_path, size_t size);
void pathname_conform_slashes_to_os(char *path);
void pathname_make_slashes_portable(char *path);
/**
* path_basedir:
* @path : path
*
* Extracts base directory by mutating path.
* Keeps trailing '/'.
**/
void path_basedir_wrapper(char *path);
/**
* path_char_is_slash:
* @c : character
*
* Checks if character (@c) is a slash.
*
* Returns: true (1) if character is a slash, otherwise false (0).
*/
#ifdef _WIN32
#define PATH_CHAR_IS_SLASH(c) (((c) == '/') || ((c) == '\\'))
#else
#define PATH_CHAR_IS_SLASH(c) ((c) == '/')
#endif
/**
* path_default_slash and path_default_slash_c:
*
* Gets the default slash separator.
*
* Returns: default slash separator.
*/
#ifdef _WIN32
#define PATH_DEFAULT_SLASH() "\\"
#define PATH_DEFAULT_SLASH_C() '\\'
#else
#define PATH_DEFAULT_SLASH() "/"
#define PATH_DEFAULT_SLASH_C() '/'
#endif
/**
* fill_pathname_slash:
* @path : path
* @size : size of path
*
* Assumes path is a directory. Appends a slash
* if not already there.
**/
void fill_pathname_slash(char *path, size_t size);
#if !defined(RARCH_CONSOLE) && defined(RARCH_INTERNAL)
void fill_pathname_application_path(char *buf, size_t size);
void fill_pathname_application_dir(char *buf, size_t size);
void fill_pathname_home_dir(char *buf, size_t size);
#endif
/**
* path_mkdir:
* @dir : directory
*
* Create directory on filesystem.
*
* Returns: true (1) if directory could be created, otherwise false (0).
**/
bool path_mkdir(const char *dir);
/**
* path_is_directory:
* @path : path
*
* Checks if path is a directory.
*
* Returns: true (1) if path is a directory, otherwise false (0).
*/
bool path_is_directory(const char *path);
bool path_is_character_special(const char *path);
int path_stat(const char *path);
bool path_is_valid(const char *path);
int32_t path_get_size(const char *path);
bool is_path_accessible_using_standard_io(const char *path);
RETRO_END_DECLS
#endif
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