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1/////////////////////////////////////////////////////////////////////////////
2// Name: wx/filefn.h
3// Purpose: File- and directory-related functions
4// Author: Julian Smart
5// Modified by:
6// Created: 29/01/98
7// RCS-ID: $Id$
8// Copyright: (c) 1998 Julian Smart
9// Licence: wxWindows licence
10/////////////////////////////////////////////////////////////////////////////
11
12#ifndef _FILEFN_H_
13#define _FILEFN_H_
14
15#include "wx/list.h"
16#include "wx/arrstr.h"
17
18#ifndef __WXPALMOS5__
19#ifdef __WXWINCE__
20 #include "wx/msw/wince/time.h"
21 #include "wx/msw/private.h"
22#else
23 #include <time.h>
24#endif
25
26#ifdef __WXWINCE__
27// Nothing
28#elif !defined(__MWERKS__)
29 #include <sys/types.h>
30 #include <sys/stat.h>
31#else
32 #ifdef __MACH__
33 #include <sys/types.h>
34 #include <utime.h>
35 #include <sys/stat.h>
36 #include <unistd.h>
37 #else
38 #include <stat.h>
39 #include <unistd.h>
40 #include <unix.h>
41 #endif
42#endif
43#endif // !__WXPALMOS5__
44
45#ifdef __OS2__
46// need to check for __OS2__ first since currently both
47// __OS2__ and __UNIX__ are defined.
48 #include <process.h>
49 #include "wx/os2/private.h"
50 #ifdef __WATCOMC__
51 #include <direct.h>
52 #endif
53 #include <io.h>
54 #ifdef __EMX__
55 #include <unistd.h>
56 #endif
57#elif defined(__UNIX__)
58 #include <unistd.h>
59 #include <dirent.h>
60#endif
61
62#if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
63#if !defined( __GNUWIN32__ ) && !defined( __MWERKS__ ) && !defined(__SALFORDC__) && !defined(__WXWINCE__) && !defined(__CYGWIN__)
64 #include <direct.h>
65 #include <dos.h>
66 #include <io.h>
67#endif // __WINDOWS__
68#endif // native Win compiler
69
70#if defined(__DOS__)
71 #ifdef __WATCOMC__
72 #include <direct.h>
73 #include <dos.h>
74 #include <io.h>
75 #endif
76 #ifdef __DJGPP__
77 #include <io.h>
78 #include <unistd.h>
79 #endif
80#endif
81
82#ifdef __BORLANDC__ // Please someone tell me which version of Borland needs
83 // this (3.1 I believe) and how to test for it.
84 // If this works for Borland 4.0 as well, then no worries.
85 #include <dir.h>
86#endif
87
88#ifdef __SALFORDC__
89 #include <dir.h>
90 #include <unix.h>
91#endif
92
93#ifndef __WXPALMOS5__
94#ifndef __WXWINCE__
95 #include <fcntl.h> // O_RDONLY &c
96#endif
97#endif // !__WXPALMOS5__
98// ----------------------------------------------------------------------------
99// constants
100// ----------------------------------------------------------------------------
101
102#if defined(__VISUALC__) || defined(__DIGITALMARS__)
103 typedef int mode_t;
104#endif
105
106#ifdef __WXWINCE__
107 typedef long off_t;
108#else
109 // define off_t
110 #if !defined(__WXMAC__) || defined(__UNIX__) || defined(__MACH__)
111 #include <sys/types.h>
112 #else
113 typedef long off_t;
114 #endif
115#endif
116
117#if (defined(__VISUALC__) && !defined(__WXWINCE__)) || ( defined(__MWERKS__) && defined( __INTEL__) )
118 typedef _off_t off_t;
119#elif defined(__SYMANTEC__)
120 typedef long off_t;
121#elif defined(__MWERKS__) && !defined(__INTEL__) && !defined(__MACH__)
122 typedef long off_t;
123#elif defined(__WXPALMOS5__)
124 typedef long off_t;
125#endif
126
127enum wxSeekMode
128{
129 wxFromStart,
130 wxFromCurrent,
131 wxFromEnd
132};
133
134enum wxFileKind
135{
136 wxFILE_KIND_UNKNOWN,
137 wxFILE_KIND_DISK, // a file supporting seeking to arbitrary offsets
138 wxFILE_KIND_TERMINAL, // a tty
139 wxFILE_KIND_PIPE // a pipe
140};
141
142// ----------------------------------------------------------------------------
143// declare our versions of low level file functions: some compilers prepend
144// underscores to the usual names, some also have Unicode versions of them
145// ----------------------------------------------------------------------------
146
147// Wrappers around Win32 api functions like CreateFile, ReadFile and such
148// Implemented in filefnwce.cpp
149#if defined( __WXWINCE__)
150 typedef __int64 wxFileOffset;
151 #define wxFileOffsetFmtSpec _("I64")
152 WXDLLIMPEXP_BASE int wxCRT_Open(const wxChar *filename, int oflag, int WXUNUSED(pmode));
153 WXDLLIMPEXP_BASE int wxCRT_Access(const wxChar *name, int WXUNUSED(how));
154 WXDLLIMPEXP_BASE int wxClose(int fd);
155 WXDLLIMPEXP_BASE int wxFsync(int WXUNUSED(fd));
156 WXDLLIMPEXP_BASE int wxRead(int fd, void *buf, unsigned int count);
157 WXDLLIMPEXP_BASE int wxWrite(int fd, const void *buf, unsigned int count);
158 WXDLLIMPEXP_BASE int wxEof(int fd);
159 WXDLLIMPEXP_BASE wxFileOffset wxSeek(int fd, wxFileOffset offset, int origin);
160 #define wxLSeek wxSeek
161 WXDLLIMPEXP_BASE wxFileOffset wxTell(int fd);
162
163 // always Unicode under WinCE
164 #define wxCRT_MkDir _wmkdir
165 #define wxCRT_RmDir _wrmdir
166 #define wxCRT_Stat _wstat
167 #define wxStructStat struct _stat
168#elif (defined(__WXMSW__) || defined(__OS2__)) && !defined(__WXPALMOS__) && \
169 ( \
170 defined(__VISUALC__) || \
171 (defined(__MINGW32__) && !defined(__WINE__) && \
172 wxCHECK_W32API_VERSION(0, 5)) || \
173 defined(__MWERKS__) || \
174 defined(__DMC__) || \
175 defined(__WATCOMC__) || \
176 defined(__BORLANDC__) \
177 )
178
179 #undef wxHAS_HUGE_FILES
180
181 // detect compilers which have support for huge files
182 #if defined(__VISUALC__)
183 #define wxHAS_HUGE_FILES 1
184 #elif defined(__MINGW32__)
185 #define wxHAS_HUGE_FILES 1
186 #elif defined(_LARGE_FILES)
187 #define wxHAS_HUGE_FILES 1
188 #endif
189
190 // other Windows compilers (DMC, Watcom, Metrowerks and Borland) don't have
191 // huge file support (or at least not all functions needed for it by wx)
192 // currently
193
194 #ifdef wxHAS_HUGE_FILES
195 typedef wxLongLong_t wxFileOffset;
196 #define wxFileOffsetFmtSpec wxLongLongFmtSpec
197 #else
198 typedef off_t wxFileOffset;
199 #endif
200
201
202 // functions
203
204 // MSVC and compatible compilers prepend underscores to the POSIX function
205 // names, other compilers don't and even if their later versions usually do
206 // define the versions with underscores for MSVC compatibility, it's better
207 // to avoid using them as they're not present in earlier versions and
208 // always using the native functions spelling is easier than testing for
209 // the versions
210 #if defined(__BORLANDC__) || defined(__DMC__) || defined(__WATCOMC__)
211 #define wxPOSIX_IDENT(func) ::func
212 #else // by default assume MSVC-compatible names
213 #define wxPOSIX_IDENT(func) _ ## func
214 #define wxHAS_UNDERSCORES_IN_POSIX_IDENTS
215 #endif
216
217 // at least Borland 5.5 doesn't like "struct ::stat" so don't use the scope
218 // resolution operator present in wxPOSIX_IDENT for it
219 #ifdef __BORLANDC__
220 #define wxPOSIX_STRUCT(s) struct s
221 #else
222 #define wxPOSIX_STRUCT(s) struct wxPOSIX_IDENT(s)
223 #endif
224
225 // first functions not working with strings, i.e. without ANSI/Unicode
226 // complications
227 #define wxClose wxPOSIX_IDENT(close)
228
229 #if defined(__MWERKS__)
230 #if __MSL__ >= 0x6000
231 #define wxRead(fd, buf, nCount) _read(fd, (void *)buf, nCount)
232 #define wxWrite(fd, buf, nCount) _write(fd, (void *)buf, nCount)
233 #else
234 #define wxRead(fd, buf, nCount)\
235 _read(fd, (const char *)buf, nCount)
236 #define wxWrite(fd, buf, nCount)\
237 _write(fd, (const char *)buf, nCount)
238 #endif
239 #else // __MWERKS__
240 #define wxRead wxPOSIX_IDENT(read)
241 #define wxWrite wxPOSIX_IDENT(write)
242 #endif
243
244 #ifdef wxHAS_HUGE_FILES
245 #define wxSeek wxPOSIX_IDENT(lseeki64)
246 #define wxLseek wxPOSIX_IDENT(lseeki64)
247 #define wxTell wxPOSIX_IDENT(telli64)
248 #else // !wxHAS_HUGE_FILES
249 #define wxSeek wxPOSIX_IDENT(lseek)
250 #define wxLseek wxPOSIX_IDENT(lseek)
251 #define wxTell wxPOSIX_IDENT(tell)
252 #endif // wxHAS_HUGE_FILES/!wxHAS_HUGE_FILES
253
254 #ifndef __WATCOMC__
255 #if !defined(__BORLANDC__) || (__BORLANDC__ > 0x540)
256 // NB: this one is not POSIX and always has the underscore
257 #define wxFsync _commit
258
259 #define HAVE_FSYNC
260 #endif // BORLANDC
261 #endif
262
263 #define wxEof wxPOSIX_IDENT(eof)
264
265 // then the functions taking strings
266 #if wxUSE_UNICODE
267 #if wxUSE_UNICODE_MSLU
268 // implement the missing file functions in Win9x ourselves
269 #if defined( __VISUALC__ ) \
270 || ( defined(__MINGW32__) && wxCHECK_W32API_VERSION( 0, 5 ) ) \
271 || ( defined(__MWERKS__) && defined(__WXMSW__) ) \
272 || ( defined(__BORLANDC__) && (__BORLANDC__ > 0x460) ) \
273 || defined(__DMC__)
274
275 WXDLLIMPEXP_BASE int wxMSLU__wopen(const wxChar *name,
276 int flags, int mode);
277 WXDLLIMPEXP_BASE int wxMSLU__waccess(const wxChar *name,
278 int mode);
279 WXDLLIMPEXP_BASE int wxMSLU__wmkdir(const wxChar *name);
280 WXDLLIMPEXP_BASE int wxMSLU__wrmdir(const wxChar *name);
281
282 WXDLLIMPEXP_BASE int
283 wxMSLU__wstat(const wxChar *name, wxPOSIX_STRUCT(stat) *buffer);
284 WXDLLIMPEXP_BASE int
285 wxMSLU__wstati64(const wxChar *name,
286 wxPOSIX_STRUCT(stati64) *buffer);
287 #endif // Windows compilers with MSLU support
288
289 #define wxCRT_Open wxMSLU__wopen
290
291 #define wxCRT_Access wxMSLU__waccess
292 #define wxCRT_MkDir wxMSLU__wmkdir
293 #define wxCRT_RmDir wxMSLU__wrmdir
294 #ifdef wxHAS_HUGE_FILES
295 #define wxCRT_Stat wxMSLU__wstati64
296 #else
297 #define wxCRT_Stat wxMSLU__wstat
298 #endif
299 #else // !wxUSE_UNICODE_MSLU
300 #ifdef __BORLANDC__
301 #if __BORLANDC__ >= 0x550 && __BORLANDC__ <= 0x551
302 WXDLLIMPEXP_BASE int wxCRT_Open(const wxChar *pathname,
303 int flags, mode_t mode);
304 #else
305 #define wxCRT_Open _wopen
306 #endif
307 #define wxCRT_Access _waccess
308 #define wxCRT_MkDir _wmkdir
309 #define wxCRT_RmDir _wrmdir
310 #ifdef wxHAS_HUGE_FILES
311 #define wxCRT_Stat _wstati64
312 #else
313 #define wxCRT_Stat _wstat
314 #endif
315 #else
316 #define wxCRT_Open _wopen
317 #define wxCRT_Access _waccess
318 #define wxCRT_MkDir _wmkdir
319 #define wxCRT_RmDir _wrmdir
320 #ifdef wxHAS_HUGE_FILES
321 #define wxCRT_Stat _wstati64
322 #else
323 #define wxCRT_Stat _wstat
324 #endif
325 #endif
326 #endif // wxUSE_UNICODE_MSLU/!wxUSE_UNICODE_MSLU
327 #else // !wxUSE_UNICODE
328 #define wxCRT_Open wxPOSIX_IDENT(open)
329 #define wxCRT_Access wxPOSIX_IDENT(access)
330 #define wxCRT_MkDir wxPOSIX_IDENT(mkdir)
331 #define wxCRT_RmDir wxPOSIX_IDENT(rmdir)
332 #ifdef wxHAS_HUGE_FILES
333 #define wxCRT_Stat wxPOSIX_IDENT(stati64)
334 #else
335 // Unfortunately Watcom is not consistent, so:-
336 #if defined(__OS2__) && defined(__WATCOMC__)
337 #define wxCRT_Stat _stat
338 #else
339 #define wxCRT_Stat wxPOSIX_IDENT(stat)
340 #endif
341 #endif
342 #endif // wxUSE_UNICODE/!wxUSE_UNICODE
343
344 // Types: Notice that Watcom is the only compiler to have a wide char
345 // version of struct stat as well as a wide char stat function variant.
346 // This was droped since OW 1.4 "for consistency across platforms".
347 #ifdef wxHAS_HUGE_FILES
348 #if wxUSE_UNICODE && wxONLY_WATCOM_EARLIER_THAN(1,4)
349 #define wxStructStat struct _wstati64
350 #else
351 #define wxStructStat struct _stati64
352 #endif
353 #else
354 #if wxUSE_UNICODE && wxONLY_WATCOM_EARLIER_THAN(1,4)
355 #define wxStructStat struct _wstat
356 #else
357 #define wxStructStat struct _stat
358 #endif
359 #endif
360
361 // constants (unless already defined by the user code)
362 #ifdef wxHAS_UNDERSCORES_IN_POSIX_IDENTS
363 #ifndef O_RDONLY
364 #define O_RDONLY _O_RDONLY
365 #define O_WRONLY _O_WRONLY
366 #define O_RDWR _O_RDWR
367 #define O_EXCL _O_EXCL
368 #define O_CREAT _O_CREAT
369 #define O_BINARY _O_BINARY
370 #endif
371
372 #ifndef S_IFMT
373 #define S_IFMT _S_IFMT
374 #define S_IFDIR _S_IFDIR
375 #define S_IFREG _S_IFREG
376 #endif
377 #endif // wxHAS_UNDERSCORES_IN_POSIX_IDENTS
378
379 #ifdef wxHAS_HUGE_FILES
380 // wxFile is present and supports large files. Currently wxFFile
381 // doesn't have large file support with any Windows compiler (even
382 // Win64 ones).
383 #if wxUSE_FILE
384 #define wxHAS_LARGE_FILES
385 #endif
386 #endif
387
388 // it's a private define, undefine it so that nobody gets tempted to use it
389 #undef wxHAS_HUGE_FILES
390#else // Unix or Windows using unknown compiler, assume POSIX supported
391 typedef off_t wxFileOffset;
392 #ifdef _LARGE_FILES
393 #define wxFileOffsetFmtSpec wxLongLongFmtSpec
394 wxCOMPILE_TIME_ASSERT( sizeof(off_t) == sizeof(wxLongLong_t),
395 BadFileSizeType );
396 // wxFile is present and supports large files
397 #ifdef wxUSE_FILE
398 #define wxHAS_LARGE_FILES
399 #endif
400 // wxFFile is present and supports large files
401 #if SIZEOF_LONG == 8 || defined HAVE_FSEEKO
402 #define wxHAS_LARGE_FFILES
403 #endif
404 #else
405 #define wxFileOffsetFmtSpec _T("")
406 #endif
407 // functions
408 #define wxClose close
409 #define wxRead ::read
410 #define wxWrite ::write
411 #define wxLseek lseek
412 #define wxSeek lseek
413 #define wxFsync fsync
414 #define wxEof eof
415
416 #define wxCRT_MkDir mkdir
417 #define wxCRT_RmDir rmdir
418
419 #define wxTell(fd) lseek(fd, 0, SEEK_CUR)
420
421 #define wxStructStat struct stat
422
423 #define wxCRT_Open open
424 #define wxCRT_Stat stat
425 #define wxCRT_Lstat lstat
426 #define wxCRT_Access access
427
428 #define wxHAS_NATIVE_LSTAT
429#endif // platforms
430
431// if the platform doesn't have symlinks, define wxCRT_Lstat to be the same as
432// wxCRT_Stat to avoid #ifdefs in the code using it
433#ifndef wxHAS_NATIVE_LSTAT
434 #define wxCRT_Lstat wxCRT_Stat
435#endif
436
437inline int wxAccess(const wxString& path, mode_t mode)
438 { return wxCRT_Access(path.fn_str(), mode); }
439inline int wxOpen(const wxString& path, int flags, mode_t mode)
440 { return wxCRT_Open(path.fn_str(), flags, mode); }
441
442// FIXME-CE: provide our own implementations of the missing CRT functions
443#ifndef __WXWINCE__
444inline int wxStat(const wxString& path, wxStructStat *buf)
445 { return wxCRT_Stat(path.fn_str(), buf); }
446inline int wxLstat(const wxString& path, wxStructStat *buf)
447 { return wxCRT_Lstat(path.fn_str(), buf); }
448inline int wxRmDir(const wxString& path)
449 { return wxCRT_RmDir(path.fn_str()); }
450#if defined(__WINDOWS__) || (defined(__OS2__) && defined(__WATCOMC__))
451inline int wxMkDir(const wxString& path, mode_t WXUNUSED(mode) = 0)
452 { return wxCRT_MkDir(path.fn_str()); }
453#else
454inline int wxMkDir(const wxString& path, mode_t mode)
455 { return wxCRT_MkDir(path.fn_str(), mode); }
456#endif
457#endif // !__WXWINCE__
458
459#ifdef O_BINARY
460 #define wxO_BINARY O_BINARY
461#else
462 #define wxO_BINARY 0
463#endif
464
465#if defined(__VISAGECPP__) && __IBMCPP__ >= 400
466//
467// VisualAge C++ V4.0 cannot have any external linkage const decs
468// in headers included by more than one primary source
469//
470extern const int wxInvalidOffset;
471#else
472const int wxInvalidOffset = -1;
473#endif
474
475// ----------------------------------------------------------------------------
476// functions
477// ----------------------------------------------------------------------------
478WXDLLIMPEXP_BASE bool wxFileExists(const wxString& filename);
479
480// does the path exist? (may have or not '/' or '\\' at the end)
481WXDLLIMPEXP_BASE bool wxDirExists(const wxString& pathName);
482
483WXDLLIMPEXP_BASE bool wxIsAbsolutePath(const wxString& filename);
484
485// Get filename
486WXDLLIMPEXP_BASE wxChar* wxFileNameFromPath(wxChar *path);
487WXDLLIMPEXP_BASE wxString wxFileNameFromPath(const wxString& path);
488
489// Get directory
490WXDLLIMPEXP_BASE wxString wxPathOnly(const wxString& path);
491
492WXDLLIMPEXP_BASE void wxDos2UnixFilename(char *s);
493WXDLLIMPEXP_BASE void wxDos2UnixFilename(wchar_t *s);
494
495WXDLLIMPEXP_BASE void wxUnix2DosFilename(char *s);
496WXDLLIMPEXP_BASE void wxUnix2DosFilename(wchar_t *s);
497
498// Strip the extension, in situ
499WXDLLIMPEXP_BASE void wxStripExtension(char *buffer);
500WXDLLIMPEXP_BASE void wxStripExtension(wchar_t *buffer);
501WXDLLIMPEXP_BASE void wxStripExtension(wxString& buffer);
502
503// Get a temporary filename
504WXDLLIMPEXP_BASE wxChar* wxGetTempFileName(const wxString& prefix, wxChar *buf = (wxChar *) NULL);
505WXDLLIMPEXP_BASE bool wxGetTempFileName(const wxString& prefix, wxString& buf);
506
507// Expand file name (~/ and ${OPENWINHOME}/ stuff)
508WXDLLIMPEXP_BASE char* wxExpandPath(char *dest, const wxString& path);
509WXDLLIMPEXP_BASE wchar_t* wxExpandPath(wchar_t *dest, const wxString& path);
510// FIXME-UTF8: add some wxString version
511
512// Contract w.r.t environment (</usr/openwin/lib, OPENWHOME> -> ${OPENWINHOME}/lib)
513// and make (if under the home tree) relative to home
514// [caller must copy-- volatile]
515WXDLLIMPEXP_BASE wxChar* wxContractPath(const wxString& filename,
516 const wxString& envname = wxEmptyString,
517 const wxString& user = wxEmptyString);
518
519// Destructive removal of /./ and /../ stuff
520// FIXME-UTF8: deprecate these two (and similar)
521WXDLLIMPEXP_BASE char* wxRealPath(char *path);
522WXDLLIMPEXP_BASE wchar_t* wxRealPath(wchar_t *path);
523WXDLLIMPEXP_BASE wxString wxRealPath(const wxString& path);
524
525// Allocate a copy of the full absolute path
526WXDLLIMPEXP_BASE wxChar* wxCopyAbsolutePath(const wxString& path);
527
528// Get first file name matching given wild card.
529// Flags are reserved for future use.
530#define wxFILE 1
531#define wxDIR 2
532WXDLLIMPEXP_BASE wxString wxFindFirstFile(const wxString& spec, int flags = wxFILE);
533WXDLLIMPEXP_BASE wxString wxFindNextFile();
534
535// Does the pattern contain wildcards?
536WXDLLIMPEXP_BASE bool wxIsWild(const wxString& pattern);
537
538// Does the pattern match the text (usually a filename)?
539// If dot_special is true, doesn't match * against . (eliminating
540// `hidden' dot files)
541WXDLLIMPEXP_BASE bool wxMatchWild(const wxString& pattern, const wxString& text, bool dot_special = true);
542
543// Concatenate two files to form third
544WXDLLIMPEXP_BASE bool wxConcatFiles(const wxString& file1, const wxString& file2, const wxString& file3);
545
546// Copy file1 to file2
547WXDLLIMPEXP_BASE bool wxCopyFile(const wxString& file1, const wxString& file2,
548 bool overwrite = true);
549
550// Remove file
551WXDLLIMPEXP_BASE bool wxRemoveFile(const wxString& file);
552
553// Rename file
554WXDLLIMPEXP_BASE bool wxRenameFile(const wxString& file1, const wxString& file2, bool overwrite = true);
555
556// Get current working directory.
557#if WXWIN_COMPATIBILITY_2_6
558// If buf is NULL, allocates space using new, else
559// copies into buf.
560// IMPORTANT NOTE getcwd is know not to work under some releases
561// of Win32s 1.3, according to MS release notes!
562wxDEPRECATED( WXDLLIMPEXP_BASE wxChar* wxGetWorkingDirectory(wxChar *buf = (wxChar *) NULL, int sz = 1000) );
563// new and preferred version of wxGetWorkingDirectory
564// NB: can't have the same name because of overloading ambiguity
565#endif // WXWIN_COMPATIBILITY_2_6
566WXDLLIMPEXP_BASE wxString wxGetCwd();
567
568// Set working directory
569WXDLLIMPEXP_BASE bool wxSetWorkingDirectory(const wxString& d);
570
571// Make directory
572WXDLLIMPEXP_BASE bool wxMkdir(const wxString& dir, int perm = 0777);
573
574// Remove directory. Flags reserved for future use.
575WXDLLIMPEXP_BASE bool wxRmdir(const wxString& dir, int flags = 0);
576
577// Return the type of an open file
578WXDLLIMPEXP_BASE wxFileKind wxGetFileKind(int fd);
579WXDLLIMPEXP_BASE wxFileKind wxGetFileKind(FILE *fp);
580
581#if WXWIN_COMPATIBILITY_2_6
582// compatibility defines, don't use in new code
583wxDEPRECATED( inline bool wxPathExists(const wxChar *pszPathName) );
584inline bool wxPathExists(const wxChar *pszPathName)
585{
586 return wxDirExists(pszPathName);
587}
588#endif //WXWIN_COMPATIBILITY_2_6
589
590// permissions; these functions work both on files and directories:
591WXDLLIMPEXP_BASE bool wxIsWritable(const wxString &path);
592WXDLLIMPEXP_BASE bool wxIsReadable(const wxString &path);
593WXDLLIMPEXP_BASE bool wxIsExecutable(const wxString &path);
594
595// ----------------------------------------------------------------------------
596// separators in file names
597// ----------------------------------------------------------------------------
598
599// between file name and extension
600#define wxFILE_SEP_EXT wxT('.')
601
602// between drive/volume name and the path
603#define wxFILE_SEP_DSK wxT(':')
604
605// between the path components
606#define wxFILE_SEP_PATH_DOS wxT('\\')
607#define wxFILE_SEP_PATH_UNIX wxT('/')
608#define wxFILE_SEP_PATH_MAC wxT(':')
609#define wxFILE_SEP_PATH_VMS wxT('.') // VMS also uses '[' and ']'
610
611// separator in the path list (as in PATH environment variable)
612// there is no PATH variable in Classic Mac OS so just use the
613// semicolon (it must be different from the file name separator)
614// NB: these are strings and not characters on purpose!
615#define wxPATH_SEP_DOS wxT(";")
616#define wxPATH_SEP_UNIX wxT(":")
617#define wxPATH_SEP_MAC wxT(";")
618
619// platform independent versions
620#if defined(__UNIX__) && !defined(__OS2__)
621 // CYGWIN also uses UNIX settings
622 #define wxFILE_SEP_PATH wxFILE_SEP_PATH_UNIX
623 #define wxPATH_SEP wxPATH_SEP_UNIX
624#elif defined(__WXPALMOS__)
625 #define wxFILE_SEP_PATH wxFILE_SEP_PATH_UNIX
626 #define wxPATH_SEP wxPATH_SEP_UNIX
627#elif defined(__MAC__)
628 #define wxFILE_SEP_PATH wxFILE_SEP_PATH_MAC
629 #define wxPATH_SEP wxPATH_SEP_MAC
630#else // Windows and OS/2
631 #define wxFILE_SEP_PATH wxFILE_SEP_PATH_DOS
632 #define wxPATH_SEP wxPATH_SEP_DOS
633#endif // Unix/Windows
634
635// this is useful for wxString::IsSameAs(): to compare two file names use
636// filename1.IsSameAs(filename2, wxARE_FILENAMES_CASE_SENSITIVE)
637#if defined(__UNIX__) && !defined(__DARWIN__) && !defined(__OS2__)
638 #define wxARE_FILENAMES_CASE_SENSITIVE true
639#else // Windows, Mac OS and OS/2
640 #define wxARE_FILENAMES_CASE_SENSITIVE false
641#endif // Unix/Windows
642
643// is the char a path separator?
644inline bool wxIsPathSeparator(wxChar c)
645{
646 // under DOS/Windows we should understand both Unix and DOS file separators
647#if ( defined(__UNIX__) && !defined(__OS2__) )|| defined(__MAC__)
648 return c == wxFILE_SEP_PATH;
649#else
650 return c == wxFILE_SEP_PATH_DOS || c == wxFILE_SEP_PATH_UNIX;
651#endif
652}
653
654// does the string ends with path separator?
655WXDLLIMPEXP_BASE bool wxEndsWithPathSeparator(const wxString& filename);
656
657// split the full path into path (including drive for DOS), name and extension
658// (understands both '/' and '\\')
659WXDLLIMPEXP_BASE void wxSplitPath(const wxString& fileName,
660 wxString *pstrPath,
661 wxString *pstrName,
662 wxString *pstrExt);
663
664// find a file in a list of directories, returns false if not found
665WXDLLIMPEXP_BASE bool wxFindFileInPath(wxString *pStr, const wxString& szPath, const wxString& szFile);
666
667// Get the OS directory if appropriate (such as the Windows directory).
668// On non-Windows platform, probably just return the empty string.
669WXDLLIMPEXP_BASE wxString wxGetOSDirectory();
670
671#if wxUSE_DATETIME
672
673// Get file modification time
674WXDLLIMPEXP_BASE time_t wxFileModificationTime(const wxString& filename);
675
676#endif // wxUSE_DATETIME
677
678// Parses the wildCard, returning the number of filters.
679// Returns 0 if none or if there's a problem,
680// The arrays will contain an equal number of items found before the error.
681// wildCard is in the form:
682// "All files (*)|*|Image Files (*.jpeg *.png)|*.jpg;*.png"
683WXDLLIMPEXP_BASE int wxParseCommonDialogsFilter(const wxString& wildCard, wxArrayString& descriptions, wxArrayString& filters);
684
685// ----------------------------------------------------------------------------
686// classes
687// ----------------------------------------------------------------------------
688
689#ifdef __UNIX__
690
691// set umask to the given value in ctor and reset it to the old one in dtor
692class WXDLLIMPEXP_BASE wxUmaskChanger
693{
694public:
695 // change the umask to the given one if it is not -1: this allows to write
696 // the same code whether you really want to change umask or not, as is in
697 // wxFileConfig::Flush() for example
698 wxUmaskChanger(int umaskNew)
699 {
700 m_umaskOld = umaskNew == -1 ? -1 : (int)umask((mode_t)umaskNew);
701 }
702
703 ~wxUmaskChanger()
704 {
705 if ( m_umaskOld != -1 )
706 umask((mode_t)m_umaskOld);
707 }
708
709private:
710 int m_umaskOld;
711};
712
713// this macro expands to an "anonymous" wxUmaskChanger object under Unix and
714// nothing elsewhere
715#define wxCHANGE_UMASK(m) wxUmaskChanger wxMAKE_UNIQUE_NAME(umaskChanger_)(m)
716
717#else // !__UNIX__
718
719#define wxCHANGE_UMASK(m)
720
721#endif // __UNIX__/!__UNIX__
722
723
724// Path searching
725class WXDLLIMPEXP_BASE wxPathList : public wxArrayString
726{
727public:
728 wxPathList() {}
729 wxPathList(const wxArrayString &arr)
730 { Add(arr); }
731
732 // Adds all paths in environment variable
733 void AddEnvList(const wxString& envVariable);
734
735 // Adds given path to this list
736 bool Add(const wxString& path);
737 void Add(const wxArrayString &paths);
738
739 // Find the first full path for which the file exists
740 wxString FindValidPath(const wxString& filename) const;
741
742 // Find the first full path for which the file exists; ensure it's an
743 // absolute path that gets returned.
744 wxString FindAbsoluteValidPath(const wxString& filename) const;
745
746 // Given full path and filename, add path to list
747 bool EnsureFileAccessible(const wxString& path);
748
749#if WXWIN_COMPATIBILITY_2_6
750 // Returns true if the path is in the list
751 wxDEPRECATED( bool Member(const wxString& path) const );
752#endif
753};
754
755#endif // _WX_FILEFN_H_