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filename.h

/*
 * $Id: filename.h,v 1.9 2003/01/29 23:38:12 laza2000 Exp $
 *
 * Extended Fast Light Toolkit (EFLTK)
 * Copyright (C) 2002-2003 by EDE-Team
 * WWW: http://www.sourceforge.net/projects/ede
 *
 * Fast Light Toolkit (FLTK)
 * Copyright (C) 1998-2003 by Bill Spitzak and others.
 * WWW: http://www.fltk.org
 *
 * This library is distributed under the GNU LIBRARY GENERAL PUBLIC LICENSE
 * version 2. See COPYING for details.
 *
 * Author : Mikko Lahteenmaki
 * Email  : mikko@fltk.net
 *
 * Please report all bugs and problems to "efltk-bugs@fltk.net"
 *
 */

#ifndef _FL_FILENAME_H_
#define _FL_FILENAME_H_

#include "Enumerations.h" // for FL_API
#include "Fl_Util.h"

#define FL_PATH_MAX 1024 // all buffers are assummed to be at least this long

#if defined(_WIN32) && !defined(__CYGWIN__)

# define DT_REG 0 //Regular
# define DT_DIR 1 //Directory
 struct dirent { uchar d_type; char d_name[1]; };

#elif defined(__linux__)
// Newest Linux libc is broken when it emulates the 32-bit dirent, it
// generates errors when the data like the inode number does not fit, even
// though we are not going to look at anything other than the name. This
// code seems to force the 64-bit version to be used:

//Breaks too much... :(
//#define _GNU_SOURCE
//#define __USE_LARGEFILE64

#include <features.h>
#include <sys/types.h>

#include <dirent.h>
//#define dirent dirent64
//#define scandir scandir64

#else

 // warning: on some systems (very few nowadays?) <dirent.h> may not exist.
// The correct information is in one of these three files:
//  #include <sys/ndir.h>
//  #include <sys/dir.h>
//  #include <ndir.h>
// plus you must do the following #define:
//  #define dirent direct
// I recommend you create a /usr/include/dirent.h containing the correct info
#include <sys/types.h>
#include <dirent.h>

#endif

// File list sort function type
typedef int (Fl_File_Sort_F)(struct dirent **, struct dirent **);
// Pre-defined sort functions
extern FL_API int fl_alphasort(struct dirent **, struct dirent **);
extern FL_API int fl_casealphasort(struct dirent **, struct dirent **);

// Portable "scandir" function.  Ugly but necessary...
extern FL_API int fl_filename_list(const char *dir, struct dirent ***list, Fl_File_Sort_F *sort = fl_alphasort);


// Returns pointer to .ext or NULL if no extension
extern FL_API const char *fl_file_getext(const char *filename);
// Returns extension ".ext" of file as Fl_String.
extern FL_API Fl_String fl_file_getext(const Fl_String &filename);

// Change / Add extension, returns pointer to filename
extern FL_API char *fl_file_setext(char *filename, const char *ext);
// Change / Add extension, returns new Fl_String with changed extension
extern FL_API Fl_String fl_file_setext(const Fl_String &, const char *ext);

// Strip path from absolute path filename. Returns pointer to filename
extern FL_API const char *fl_file_filename(const char *filename);
// Strip path from absolute path filename. Returns Fl_String
extern FL_API Fl_String fl_file_filename(const Fl_String &);

// Expand filename, Convert $x and ~x to strings. Returns true, if anything converted
extern FL_API bool fl_file_expand(char *buf, int buf_len, const char *from);
// Expand filename, Convert $x and ~x to strings. Returns converted Fl_String
extern FL_API Fl_String fl_file_expand(const Fl_String &from);

// prepend getcwd()
extern FL_API bool fl_file_absolute(char *buf, int buf_len, const char *from);
// prepend getcwd()
extern FL_API Fl_String fl_file_absolute(const Fl_String &from);

// glob match
extern FL_API bool fl_file_match(const char *, const char *pattern); 

// Returns homepath in WIN32 and Linux
extern FL_API char *fl_get_homedir();
extern FL_API const Fl_String &fl_homedir();

// Check if given file exists on disk
extern FL_API bool fl_file_exists(const char *name);

// Check if given name is dir
extern FL_API bool fl_is_dir(const char *path);

class FL_API Fl_File_Attr
{
public:
    Fl_File_Attr() { size=0; flags=0; }

    enum {
        DIR       = 1, //Directory
        FILE      = 2, //Regular file
        LINK   = 4, //Sym link (ignored on WIN32)
        DEVICE = 8  //Logical disk (ignored on Linux)
    };
    bool parse(const char *filename);
    
    ulong size; // size of file
    ulong modified; // time modified
    char time[128]; // time modified str
    Fl_Flags flags; // type flags

#ifdef _WIN32
    uint64 free; //Free space
    uint64 capacity; //total capacity space
#endif
};

// Backward compatibility
typedef Fl_File_Attr Fl_FileAttr;

extern FL_API Fl_File_Attr *fl_file_attr(const char *name);

// Backward compatibility..
inline bool fl_file_absolute(char *buf, const char *from) { return fl_file_absolute(buf, FL_PATH_MAX, from); }

#define FL_DIR    Fl_File_Attr::DIR
#define FL_FILE   Fl_File_Attr::FILE
#define FL_LINK   Fl_File_Attr::LINK
#define FL_DEVICE Fl_File_Attr::DEVICE

#endif

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