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