fltk/FL/filename.H

146 lines
5.3 KiB
C++

/*
* Filename header file for the Fast Light Tool Kit (FLTK).
*
* Copyright 1998-2023 by Bill Spitzak and others.
*
* This library is free software. Distribution and use rights are outlined in
* the file "COPYING" which should have been included with this file. If this
* file is missing or damaged, see the license at:
*
* https://www.fltk.org/COPYING.php
*
* Please see the following page on how to report bugs and issues:
*
* https://www.fltk.org/bugs.php
*/
/*
* Note to devs:
* Under Windows, we include filename.H from numericsort.c; this should probably change.
* This implies that we need C-style comments and '#ifdef __cplusplus ... #endif'
*/
/** \file
File names and URI utility functions.
*/
#ifndef FL_FILENAME_H
# define FL_FILENAME_H
#include "Fl_Export.H"
#include <FL/platform_types.h>
#ifdef __cplusplus
// The following include is not (yet) used in FLTK 1.4
// In FLTK 1.5 or 4.0 using std::string would be default.
// #include <string>
#endif /* __cplusplus */
/** \addtogroup filenames File names and URI utility functions
File names and URI functions defined in <FL/filename.H>
@{ */
# define FL_PATH_MAX 2048 /**< all path buffers should use this length */
/** Gets the file name from a path.
Similar to basename(3), exceptions shown below.
\code
#include <FL/filename.H>
[..]
const char *out;
out = fl_filename_name("/usr/lib"); // out="lib"
out = fl_filename_name("/usr/"); // out="" (basename(3) returns "usr" instead)
out = fl_filename_name("/usr"); // out="usr"
out = fl_filename_name("/"); // out="" (basename(3) returns "/" instead)
out = fl_filename_name("."); // out="."
out = fl_filename_name(".."); // out=".."
\endcode
\return a pointer to the char after the last slash, or to \p filename if there is none.
*/
FL_EXPORT const char *fl_filename_name(const char * filename);
FL_EXPORT const char *fl_filename_ext(const char *buf);
FL_EXPORT char *fl_filename_setext(char *to, int tolen, const char *ext);
FL_EXPORT int fl_filename_expand(char *to, int tolen, const char *from);
FL_EXPORT int fl_filename_absolute(char *to, int tolen, const char *from);
FL_EXPORT int fl_filename_relative(char *to, int tolen, const char *from);
FL_EXPORT int fl_filename_match(const char *name, const char *pattern);
FL_EXPORT int fl_filename_isdir(const char *name);
# if defined(__cplusplus)
FL_EXPORT int fl_filename_absolute(char *to, int tolen, const char *from, const char *cwd);
FL_EXPORT int fl_filename_relative(char *to, int tolen, const char *from, const char *cwd);
// FIXME: We can't do this in 1.4.x - enable this block in 1.5 or higher.
// See fluid/fluid_filename.{h|cxx} for an implementation using Fl_String.
// FL_EXPORT std::string fl_filename_name(const std::string &filename);
// FL_EXPORT std::string fl_filename_path(const std::string &filename);
// FL_EXPORT std::string fl_filename_ext(const std::string &filename);
// FL_EXPORT std::string fl_filename_setext(const std::string &filename, const std::string &new_extension);
// FL_EXPORT std::string fl_filename_expand(const std::string &from);
// FL_EXPORT std::string fl_filename_absolute(const std::string &from);
// FL_EXPORT std::string fl_filename_absolute(const std::string &from, const std::string &base);
// FL_EXPORT std::string fl_filename_relative(const std::string &from);
// FL_EXPORT std::string fl_filename_relative(const std::string &from, const std::string &base);
// FL_EXPORT std::string fl_getcwd();
# endif /* defined(__cplusplus) */
# if defined(__cplusplus) && !defined(FL_DOXYGEN)
/*
* Under Windows, we include filename.H from numericsort.c; this should probably change...
*/
inline char *fl_filename_setext(char *to, const char *ext) { return fl_filename_setext(to, FL_PATH_MAX, ext); }
inline int fl_filename_expand(char *to, const char *from) { return fl_filename_expand(to, FL_PATH_MAX, from); }
inline int fl_filename_absolute(char *to, const char *from) { return fl_filename_absolute(to, FL_PATH_MAX, from); }
inline int fl_filename_relative(char *to, const char *from) { return fl_filename_relative(to, FL_PATH_MAX, from); }
# endif /* __cplusplus */
# if defined (__cplusplus)
extern "C" {
# endif /* __cplusplus */
# if !defined(FL_DOXYGEN)
FL_EXPORT int fl_alphasort(struct dirent **, struct dirent **);
FL_EXPORT int fl_casealphasort(struct dirent **, struct dirent **);
FL_EXPORT int fl_casenumericsort(struct dirent **, struct dirent **);
FL_EXPORT int fl_numericsort(struct dirent **, struct dirent **);
# endif
typedef int (Fl_File_Sort_F)(struct dirent **, struct dirent **); /**< File sorting function. \see fl_filename_list() */
# if defined(__cplusplus)
}
/*
* Portable "scandir" function. Ugly but necessary...
*/
FL_EXPORT int fl_filename_list(const char *d, struct dirent ***l,
Fl_File_Sort_F *s = fl_numericsort);
FL_EXPORT void fl_filename_free_list(struct dirent ***l, int n);
/*
* Generic function to open a Uniform Resource Identifier (URI) using a
* system-defined program (added in FLTK 1.1.8)
*/
FL_EXPORT int fl_open_uri(const char *uri, char *msg = (char *)0,
int msglen = 0);
FL_EXPORT void fl_decode_uri(char *uri);
# endif /* __cplusplus */
/*
* Note: FLTK 1.0.x compatibility definitions (FLTK_1_0_COMPAT) dropped in 1.4.0
*/
#endif /* FL_FILENAME_H */
/** @} */