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wxUSE_LOG fixes.
[wxWidgets.git] / src / common / filefn.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: filefn.cpp
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 // ============================================================================
13 // declarations
14 // ============================================================================
15
16 // ----------------------------------------------------------------------------
17 // headers
18 // ----------------------------------------------------------------------------
19
20 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
21 #pragma implementation "filefn.h"
22 #endif
23
24 // For compilers that support precompilation, includes "wx.h".
25 #include "wx/wxprec.h"
26 #include "wx/defs.h"
27
28 #ifdef __BORLANDC__
29 #pragma hdrstop
30 #endif
31
32 #include "wx/utils.h"
33 #include "wx/intl.h"
34 #include "wx/file.h"
35 #include "wx/filename.h"
36 #include "wx/dir.h"
37
38 // there are just too many of those...
39 #ifdef __VISUALC__
40 #pragma warning(disable:4706) // assignment within conditional expression
41 #endif // VC++
42
43 #include <ctype.h>
44 #include <stdio.h>
45 #include <stdlib.h>
46 #include <string.h>
47 #if !defined(__WATCOMC__)
48 #if !(defined(_MSC_VER) && (_MSC_VER > 800))
49 #include <errno.h>
50 #endif
51 #endif
52
53 #if defined(__WXMAC__)
54 #include "wx/mac/private.h" // includes mac headers
55 #endif
56
57 #ifdef __WXWINCE__
58 #include "wx/msw/wince/time.h"
59 #include "wx/msw/private.h"
60 #else
61 #include <time.h>
62 #endif
63
64 #ifdef __WXWINCE__
65 // Nothing
66 #elif !defined(__MWERKS__)
67 #include <sys/types.h>
68 #include <sys/stat.h>
69 #else
70 #ifdef __MACH__
71 #include <sys/types.h>
72 #include <utime.h>
73 #include <sys/stat.h>
74 #include <unistd.h>
75 #else
76 #include <stat.h>
77 #include <unistd.h>
78 #include <unix.h>
79 #include <fcntl.h>
80 #endif
81 #endif
82
83 #ifdef __OS2__
84 // need to check for __OS2__ first since currently both
85 // __OS2__ and __UNIX__ are defined.
86 #include <process.h>
87 #include "wx/os2/private.h"
88 #ifdef __EMX__
89 #include <unistd.h>
90 #endif
91 #elif defined(__UNIX__)
92 #include <unistd.h>
93 #include <dirent.h>
94 #include <fcntl.h>
95 #endif
96
97 #if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
98 #if !defined( __GNUWIN32__ ) && !defined( __MWERKS__ ) && !defined(__SALFORDC__) && !defined(__WXWINCE__)
99 #include <direct.h>
100 #include <dos.h>
101 #include <io.h>
102 #endif // __WINDOWS__
103 #endif // native Win compiler
104
105 #if defined(__DOS__)
106 #ifdef __WATCOMC__
107 #include <direct.h>
108 #include <dos.h>
109 #include <io.h>
110 #endif
111 #ifdef __DJGPP__
112 #include <unistd.h>
113 #endif
114 #endif
115
116 #ifdef __BORLANDC__ // Please someone tell me which version of Borland needs
117 // this (3.1 I believe) and how to test for it.
118 // If this works for Borland 4.0 as well, then no worries.
119 #include <dir.h>
120 #endif
121
122 #ifdef __SALFORDC__
123 #include <dir.h>
124 #include <unix.h>
125 #endif
126
127 #include "wx/log.h"
128
129 // No, Cygwin doesn't appear to have fnmatch.h after all.
130 #if defined(HAVE_FNMATCH_H)
131 #include "fnmatch.h"
132 #endif
133
134 #ifdef __WINDOWS__
135 #include "wx/msw/wrapwin.h"
136 #include "wx/msw/mslu.h"
137
138 // for _getcwd
139 #ifdef __MINGW32__
140 #include <io.h>
141 #endif
142
143 // sys/cygwin.h is needed for cygwin_conv_to_full_win32_path()
144 //
145 // note that it must be included after <windows.h>
146 #ifdef __GNUWIN32__
147 #ifdef __CYGWIN__
148 #include <sys/cygwin.h>
149 #endif
150 #endif // __GNUWIN32__
151 #endif // __WINDOWS__
152
153 // TODO: Borland probably has _wgetcwd as well?
154 #ifdef _MSC_VER
155 #define HAVE_WGETCWD
156 #endif
157
158 // ----------------------------------------------------------------------------
159 // constants
160 // ----------------------------------------------------------------------------
161
162 #ifndef _MAXPATHLEN
163 #define _MAXPATHLEN 1024
164 #endif
165
166 #ifdef __WXMAC__
167 # ifdef __DARWIN__
168 # include "MoreFilesX.h"
169 # else
170 # include "MoreFiles.h"
171 # include "MoreFilesExtras.h"
172 # include "FullPath.h"
173 # include "FSpCompat.h"
174 # endif
175 #endif
176
177 // ----------------------------------------------------------------------------
178 // private globals
179 // ----------------------------------------------------------------------------
180
181 // MT-FIXME: get rid of this horror and all code using it
182 static wxChar wxFileFunctionsBuffer[4*_MAXPATHLEN];
183
184 #if defined(__VISAGECPP__) && __IBMCPP__ >= 400
185 //
186 // VisualAge C++ V4.0 cannot have any external linkage const decs
187 // in headers included by more than one primary source
188 //
189 const off_t wxInvalidOffset = (off_t)-1;
190 #endif
191
192 // ----------------------------------------------------------------------------
193 // macros
194 // ----------------------------------------------------------------------------
195
196 // we need to translate Mac filenames before passing them to OS functions
197 #define OS_FILENAME(s) (s.fn_str())
198
199 // ============================================================================
200 // implementation
201 // ============================================================================
202
203 #ifdef wxNEED_WX_UNISTD_H
204
205 WXDLLEXPORT int wxStat( const wxChar *file_name, wxStructStat *buf )
206 {
207 return stat( wxConvFile.cWX2MB( file_name ), buf );
208 }
209
210 WXDLLEXPORT int wxAccess( const wxChar *pathname, int mode )
211 {
212 return access( wxConvFile.cWX2MB( pathname ), mode );
213 }
214
215 WXDLLEXPORT int wxOpen( const wxChar *pathname, int flags, mode_t mode )
216 {
217 return open( wxConvFile.cWX2MB( pathname ), flags, mode );
218 }
219
220 #endif
221 // wxNEED_WX_UNISTD_H
222
223 // ----------------------------------------------------------------------------
224 // wxPathList
225 // ----------------------------------------------------------------------------
226
227 // IMPLEMENT_DYNAMIC_CLASS(wxPathList, wxStringList)
228
229 static inline wxChar* MYcopystring(const wxString& s)
230 {
231 wxChar* copy = new wxChar[s.length() + 1];
232 return wxStrcpy(copy, s.c_str());
233 }
234
235 static inline wxChar* MYcopystring(const wxChar* s)
236 {
237 wxChar* copy = new wxChar[wxStrlen(s) + 1];
238 return wxStrcpy(copy, s);
239 }
240
241 void wxPathList::Add (const wxString& path)
242 {
243 wxStringList::Add (WXSTRINGCAST path);
244 }
245
246 // Add paths e.g. from the PATH environment variable
247 void wxPathList::AddEnvList (const wxString& envVariable)
248 {
249 // No environment variables on WinCE
250 #ifndef __WXWINCE__
251 static const wxChar PATH_TOKS[] =
252 #if defined(__WINDOWS__) || defined(__OS2__)
253 /*
254 The space has been removed from the tokenizers, otherwise a
255 path such as "C:\Program Files" would be split into 2 paths:
256 "C:\Program" and "Files"
257 */
258 // wxT(" ;"); // Don't seperate with colon in DOS (used for drive)
259 wxT(";"); // Don't seperate with colon in DOS (used for drive)
260 #else
261 wxT(" :;");
262 #endif
263
264 wxChar *val = wxGetenv (WXSTRINGCAST envVariable);
265 if (val && *val)
266 {
267 wxChar *s = MYcopystring (val);
268 wxChar *save_ptr, *token = wxStrtok (s, PATH_TOKS, &save_ptr);
269
270 if (token)
271 {
272 Add(token);
273 while (token)
274 {
275 if ( (token = wxStrtok ((wxChar *) NULL, PATH_TOKS, &save_ptr))
276 != NULL )
277 {
278 Add(token);
279 }
280 }
281 }
282
283 // suppress warning about unused variable save_ptr when wxStrtok() is a
284 // macro which throws away its third argument
285 save_ptr = token;
286
287 delete [] s;
288 }
289 #endif
290 }
291
292 // Given a full filename (with path), ensure that that file can
293 // be accessed again USING FILENAME ONLY by adding the path
294 // to the list if not already there.
295 void wxPathList::EnsureFileAccessible (const wxString& path)
296 {
297 wxString path_only(wxPathOnly(path));
298 if ( !path_only.IsEmpty() )
299 {
300 if ( !Member(path_only) )
301 Add(path_only);
302 }
303 }
304
305 bool wxPathList::Member (const wxString& path)
306 {
307 for (wxStringList::compatibility_iterator node = GetFirst(); node; node = node->GetNext())
308 {
309 wxString path2( node->GetData() );
310 if (
311 #if defined(__WINDOWS__) || defined(__OS2__) || defined(__VMS__) || defined (__WXMAC__)
312 // Case INDEPENDENT
313 path.CompareTo (path2, wxString::ignoreCase) == 0
314 #else
315 // Case sensitive File System
316 path.CompareTo (path2) == 0
317 #endif
318 )
319 return TRUE;
320 }
321 return FALSE;
322 }
323
324 wxString wxPathList::FindValidPath (const wxString& file)
325 {
326 if (wxFileExists (wxExpandPath(wxFileFunctionsBuffer, file)))
327 return wxString(wxFileFunctionsBuffer);
328
329 wxChar buf[_MAXPATHLEN];
330 wxStrcpy(buf, wxFileFunctionsBuffer);
331
332 wxChar *filename = wxIsAbsolutePath (buf) ? wxFileNameFromPath (buf) : (wxChar *)buf;
333
334 for (wxStringList::compatibility_iterator node = GetFirst(); node; node = node->GetNext())
335 {
336 const wxChar *path = node->GetData();
337 wxStrcpy (wxFileFunctionsBuffer, path);
338 wxChar ch = wxFileFunctionsBuffer[wxStrlen(wxFileFunctionsBuffer)-1];
339 if (ch != wxT('\\') && ch != wxT('/'))
340 wxStrcat (wxFileFunctionsBuffer, wxT("/"));
341 wxStrcat (wxFileFunctionsBuffer, filename);
342 #ifdef __WINDOWS__
343 wxUnix2DosFilename (wxFileFunctionsBuffer);
344 #endif
345 if (wxFileExists (wxFileFunctionsBuffer))
346 {
347 return wxString(wxFileFunctionsBuffer); // Found!
348 }
349 } // for()
350
351 return wxEmptyString; // Not found
352 }
353
354 wxString wxPathList::FindAbsoluteValidPath (const wxString& file)
355 {
356 wxString f = FindValidPath(file);
357 if ( f.empty() || wxIsAbsolutePath(f) )
358 return f;
359
360 wxString buf;
361 wxGetWorkingDirectory(wxStringBuffer(buf, _MAXPATHLEN), _MAXPATHLEN);
362
363 if ( !wxEndsWithPathSeparator(buf) )
364 {
365 buf += wxFILE_SEP_PATH;
366 }
367 buf += f;
368
369 return buf;
370 }
371
372 bool
373 wxFileExists (const wxString& filename)
374 {
375 // we must use GetFileAttributes() instead of the ANSI C functions because
376 // it can cope with network (UNC) paths unlike them
377 #if defined(__WIN32__) && !defined(__WXMICROWIN__)
378 DWORD ret = ::GetFileAttributes(filename);
379
380 return (ret != (DWORD)-1) && !(ret & FILE_ATTRIBUTE_DIRECTORY);
381 #else // !__WIN32__
382 wxStructStat st;
383 return wxStat(filename, &st) == 0 && (st.st_mode & S_IFREG);
384 #endif // __WIN32__/!__WIN32__
385 }
386
387 bool
388 wxIsAbsolutePath (const wxString& filename)
389 {
390 if (filename != wxT(""))
391 {
392 #if defined(__WXMAC__) && !defined(__DARWIN__)
393 // Classic or Carbon CodeWarrior like
394 // Carbon with Apple DevTools is Unix like
395
396 // This seems wrong to me, but there is no fix. since
397 // "MacOS:MyText.txt" is absolute whereas "MyDir:MyText.txt"
398 // is not. Or maybe ":MyDir:MyText.txt" has to be used? RR.
399 if (filename.Find(':') != wxNOT_FOUND && filename[0] != ':')
400 return TRUE ;
401 #else
402 // Unix like or Windows
403 if (filename[0] == wxT('/'))
404 return TRUE;
405 #endif
406 #ifdef __VMS__
407 if ((filename[0] == wxT('[') && filename[1] != wxT('.')))
408 return TRUE;
409 #endif
410 #if defined(__WINDOWS__) || defined(__OS2__)
411 // MSDOS like
412 if (filename[0] == wxT('\\') || (wxIsalpha (filename[0]) && filename[1] == wxT(':')))
413 return TRUE;
414 #endif
415 }
416 return FALSE ;
417 }
418
419 /*
420 * Strip off any extension (dot something) from end of file,
421 * IF one exists. Inserts zero into buffer.
422 *
423 */
424
425 void wxStripExtension(wxChar *buffer)
426 {
427 int len = wxStrlen(buffer);
428 int i = len-1;
429 while (i > 0)
430 {
431 if (buffer[i] == wxT('.'))
432 {
433 buffer[i] = 0;
434 break;
435 }
436 i --;
437 }
438 }
439
440 void wxStripExtension(wxString& buffer)
441 {
442 size_t len = buffer.Length();
443 size_t i = len-1;
444 while (i > 0)
445 {
446 if (buffer.GetChar(i) == wxT('.'))
447 {
448 buffer = buffer.Left(i);
449 break;
450 }
451 i --;
452 }
453 }
454
455 // Destructive removal of /./ and /../ stuff
456 wxChar *wxRealPath (wxChar *path)
457 {
458 #ifdef __WXMSW__
459 static const wxChar SEP = wxT('\\');
460 wxUnix2DosFilename(path);
461 #else
462 static const wxChar SEP = wxT('/');
463 #endif
464 if (path[0] && path[1]) {
465 /* MATTHEW: special case "/./x" */
466 wxChar *p;
467 if (path[2] == SEP && path[1] == wxT('.'))
468 p = &path[0];
469 else
470 p = &path[2];
471 for (; *p; p++)
472 {
473 if (*p == SEP)
474 {
475 if (p[1] == wxT('.') && p[2] == wxT('.') && (p[3] == SEP || p[3] == wxT('\0')))
476 {
477 wxChar *q;
478 for (q = p - 1; q >= path && *q != SEP; q--)
479 {
480 // Empty
481 }
482
483 if (q[0] == SEP && (q[1] != wxT('.') || q[2] != wxT('.') || q[3] != SEP)
484 && (q - 1 <= path || q[-1] != SEP))
485 {
486 wxStrcpy (q, p + 3);
487 if (path[0] == wxT('\0'))
488 {
489 path[0] = SEP;
490 path[1] = wxT('\0');
491 }
492 #if defined(__WXMSW__) || defined(__OS2__)
493 /* Check that path[2] is NULL! */
494 else if (path[1] == wxT(':') && !path[2])
495 {
496 path[2] = SEP;
497 path[3] = wxT('\0');
498 }
499 #endif
500 p = q - 1;
501 }
502 }
503 else if (p[1] == wxT('.') && (p[2] == SEP || p[2] == wxT('\0')))
504 wxStrcpy (p, p + 2);
505 }
506 }
507 }
508 return path;
509 }
510
511 // Must be destroyed
512 wxChar *wxCopyAbsolutePath(const wxString& filename)
513 {
514 if (filename == wxT(""))
515 return (wxChar *) NULL;
516
517 if (! wxIsAbsolutePath(wxExpandPath(wxFileFunctionsBuffer, filename))) {
518 wxChar buf[_MAXPATHLEN];
519 buf[0] = wxT('\0');
520 wxGetWorkingDirectory(buf, WXSIZEOF(buf));
521 wxChar ch = buf[wxStrlen(buf) - 1];
522 #ifdef __WXMSW__
523 if (ch != wxT('\\') && ch != wxT('/'))
524 wxStrcat(buf, wxT("\\"));
525 #else
526 if (ch != wxT('/'))
527 wxStrcat(buf, wxT("/"));
528 #endif
529 wxStrcat(buf, wxFileFunctionsBuffer);
530 return MYcopystring( wxRealPath(buf) );
531 }
532 return MYcopystring( wxFileFunctionsBuffer );
533 }
534
535 /*-
536 Handles:
537 ~/ => home dir
538 ~user/ => user's home dir
539 If the environment variable a = "foo" and b = "bar" then:
540 Unix:
541 $a => foo
542 $a$b => foobar
543 $a.c => foo.c
544 xxx$a => xxxfoo
545 ${a}! => foo!
546 $(b)! => bar!
547 \$a => \$a
548 MSDOS:
549 $a ==> $a
550 $(a) ==> foo
551 $(a)$b ==> foo$b
552 $(a)$(b)==> foobar
553 test.$$ ==> test.$$
554 */
555
556 /* input name in name, pathname output to buf. */
557
558 wxChar *wxExpandPath(wxChar *buf, const wxChar *name)
559 {
560 register wxChar *d, *s, *nm;
561 wxChar lnm[_MAXPATHLEN];
562 int q;
563
564 // Some compilers don't like this line.
565 // const wxChar trimchars[] = wxT("\n \t");
566
567 wxChar trimchars[4];
568 trimchars[0] = wxT('\n');
569 trimchars[1] = wxT(' ');
570 trimchars[2] = wxT('\t');
571 trimchars[3] = 0;
572
573 #ifdef __WXMSW__
574 const wxChar SEP = wxT('\\');
575 #else
576 const wxChar SEP = wxT('/');
577 #endif
578 buf[0] = wxT('\0');
579 if (name == NULL || *name == wxT('\0'))
580 return buf;
581 nm = MYcopystring(name); // Make a scratch copy
582 wxChar *nm_tmp = nm;
583
584 /* Skip leading whitespace and cr */
585 while (wxStrchr((wxChar *)trimchars, *nm) != NULL)
586 nm++;
587 /* And strip off trailing whitespace and cr */
588 s = nm + (q = wxStrlen(nm)) - 1;
589 while (q-- && wxStrchr((wxChar *)trimchars, *s) != NULL)
590 *s = wxT('\0');
591
592 s = nm;
593 d = lnm;
594 #ifdef __WXMSW__
595 q = FALSE;
596 #else
597 q = nm[0] == wxT('\\') && nm[1] == wxT('~');
598 #endif
599
600 /* Expand inline environment variables */
601 #ifdef __VISAGECPP__
602 while (*d)
603 {
604 *d++ = *s;
605 if(*s == wxT('\\'))
606 {
607 *(d - 1) = *++s;
608 if (*d)
609 {
610 s++;
611 continue;
612 }
613 else
614 break;
615 }
616 else
617 #else
618 while ((*d++ = *s) != 0) {
619 # ifndef __WXMSW__
620 if (*s == wxT('\\')) {
621 if ((*(d - 1) = *++s)) {
622 s++;
623 continue;
624 } else
625 break;
626 } else
627 # endif
628 #endif
629 // No env variables on WinCE
630 #ifndef __WXWINCE__
631 #ifdef __WXMSW__
632 if (*s++ == wxT('$') && (*s == wxT('{') || *s == wxT(')')))
633 #else
634 if (*s++ == wxT('$'))
635 #endif
636 {
637 register wxChar *start = d;
638 register int braces = (*s == wxT('{') || *s == wxT('('));
639 register wxChar *value;
640 while ((*d++ = *s) != 0)
641 if (braces ? (*s == wxT('}') || *s == wxT(')')) : !(wxIsalnum(*s) || *s == wxT('_')) )
642 break;
643 else
644 s++;
645 *--d = 0;
646 value = wxGetenv(braces ? start + 1 : start);
647 if (value) {
648 for ((d = start - 1); (*d++ = *value++) != 0;)
649 {
650 // Empty
651 }
652
653 d--;
654 if (braces && *s)
655 s++;
656 }
657 }
658 #endif
659 // __WXWINCE__
660 }
661
662 /* Expand ~ and ~user */
663 nm = lnm;
664 if (nm[0] == wxT('~') && !q)
665 {
666 /* prefix ~ */
667 if (nm[1] == SEP || nm[1] == 0)
668 { /* ~/filename */
669 // FIXME: wxGetUserHome could return temporary storage in Unicode mode
670 if ((s = WXSTRINGCAST wxGetUserHome(wxT(""))) != NULL) {
671 if (*++nm)
672 nm++;
673 }
674 } else
675 { /* ~user/filename */
676 register wxChar *nnm;
677 register wxChar *home;
678 for (s = nm; *s && *s != SEP; s++)
679 {
680 // Empty
681 }
682 int was_sep; /* MATTHEW: Was there a separator, or NULL? */
683 was_sep = (*s == SEP);
684 nnm = *s ? s + 1 : s;
685 *s = 0;
686 // FIXME: wxGetUserHome could return temporary storage in Unicode mode
687 if ((home = WXSTRINGCAST wxGetUserHome(wxString(nm + 1))) == NULL) {
688 if (was_sep) /* replace only if it was there: */
689 *s = SEP;
690 s = NULL;
691 } else {
692 nm = nnm;
693 s = home;
694 }
695 }
696 }
697
698 d = buf;
699 if (s && *s) { /* MATTHEW: s could be NULL if user '~' didn't exist */
700 /* Copy home dir */
701 while (wxT('\0') != (*d++ = *s++))
702 /* loop */;
703 // Handle root home
704 if (d - 1 > buf && *(d - 2) != SEP)
705 *(d - 1) = SEP;
706 }
707 s = nm;
708 while ((*d++ = *s++) != 0)
709 {
710 // Empty
711 }
712 delete[] nm_tmp; // clean up alloc
713 /* Now clean up the buffer */
714 return wxRealPath(buf);
715 }
716
717 /* Contract Paths to be build upon an environment variable
718 component:
719
720 example: "/usr/openwin/lib", OPENWINHOME --> ${OPENWINHOME}/lib
721
722 The call wxExpandPath can convert these back!
723 */
724 wxChar *
725 wxContractPath (const wxString& filename, const wxString& envname, const wxString& user)
726 {
727 static wxChar dest[_MAXPATHLEN];
728
729 if (filename == wxT(""))
730 return (wxChar *) NULL;
731
732 wxStrcpy (dest, WXSTRINGCAST filename);
733 #ifdef __WXMSW__
734 wxUnix2DosFilename(dest);
735 #endif
736
737 // Handle environment
738 const wxChar *val;
739 #ifndef __WXWINCE__
740 wxChar *tcp;
741 if (envname != WXSTRINGCAST NULL && (val = wxGetenv (WXSTRINGCAST envname)) != NULL &&
742 (tcp = wxStrstr (dest, val)) != NULL)
743 {
744 wxStrcpy (wxFileFunctionsBuffer, tcp + wxStrlen (val));
745 *tcp++ = wxT('$');
746 *tcp++ = wxT('{');
747 wxStrcpy (tcp, WXSTRINGCAST envname);
748 wxStrcat (tcp, wxT("}"));
749 wxStrcat (tcp, wxFileFunctionsBuffer);
750 }
751 #endif
752
753 // Handle User's home (ignore root homes!)
754 val = wxGetUserHome (user);
755 if (!val)
756 return dest;
757
758 const size_t len = wxStrlen(val);
759 if (len <= 2)
760 return dest;
761
762 if (wxStrncmp(dest, val, len) == 0)
763 {
764 wxStrcpy(wxFileFunctionsBuffer, wxT("~"));
765 if (user != wxT(""))
766 wxStrcat(wxFileFunctionsBuffer, (const wxChar*) user);
767 wxStrcat(wxFileFunctionsBuffer, dest + len);
768 wxStrcpy (dest, wxFileFunctionsBuffer);
769 }
770
771 return dest;
772 }
773
774 // Return just the filename, not the path (basename)
775 wxChar *wxFileNameFromPath (wxChar *path)
776 {
777 wxString p = path;
778 wxString n = wxFileNameFromPath(p);
779
780 return path + p.length() - n.length();
781 }
782
783 wxString wxFileNameFromPath (const wxString& path)
784 {
785 wxString name, ext;
786 wxFileName::SplitPath(path, NULL, &name, &ext);
787
788 wxString fullname = name;
789 if ( !ext.empty() )
790 {
791 fullname << wxFILE_SEP_EXT << ext;
792 }
793
794 return fullname;
795 }
796
797 // Return just the directory, or NULL if no directory
798 wxChar *
799 wxPathOnly (wxChar *path)
800 {
801 if (path && *path)
802 {
803 static wxChar buf[_MAXPATHLEN];
804
805 // Local copy
806 wxStrcpy (buf, path);
807
808 int l = wxStrlen(path);
809 int i = l - 1;
810
811 // Search backward for a backward or forward slash
812 while (i > -1)
813 {
814 #if defined(__WXMAC__) && !defined(__DARWIN__)
815 // Classic or Carbon CodeWarrior like
816 // Carbon with Apple DevTools is Unix like
817 if (path[i] == wxT(':') )
818 {
819 buf[i] = 0;
820 return buf;
821 }
822 #else
823 // Unix like or Windows
824 if (path[i] == wxT('/') || path[i] == wxT('\\'))
825 {
826 buf[i] = 0;
827 return buf;
828 }
829 #endif
830 #ifdef __VMS__
831 if (path[i] == wxT(']'))
832 {
833 buf[i+1] = 0;
834 return buf;
835 }
836 #endif
837 i --;
838 }
839
840 #if defined(__WXMSW__) || defined(__OS2__)
841 // Try Drive specifier
842 if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
843 {
844 // A:junk --> A:. (since A:.\junk Not A:\junk)
845 buf[2] = wxT('.');
846 buf[3] = wxT('\0');
847 return buf;
848 }
849 #endif
850 }
851 return (wxChar *) NULL;
852 }
853
854 // Return just the directory, or NULL if no directory
855 wxString wxPathOnly (const wxString& path)
856 {
857 if (path != wxT(""))
858 {
859 wxChar buf[_MAXPATHLEN];
860
861 // Local copy
862 wxStrcpy (buf, WXSTRINGCAST path);
863
864 int l = path.Length();
865 int i = l - 1;
866
867 // Search backward for a backward or forward slash
868 while (i > -1)
869 {
870 #if defined(__WXMAC__) && !defined(__DARWIN__)
871 // Classic or Carbon CodeWarrior like
872 // Carbon with Apple DevTools is Unix like
873 if (path[i] == wxT(':') )
874 {
875 buf[i] = 0;
876 return wxString(buf);
877 }
878 #else
879 // Unix like or Windows
880 if (path[i] == wxT('/') || path[i] == wxT('\\'))
881 {
882 buf[i] = 0;
883 return wxString(buf);
884 }
885 #endif
886 #ifdef __VMS__
887 if (path[i] == wxT(']'))
888 {
889 buf[i+1] = 0;
890 return wxString(buf);
891 }
892 #endif
893 i --;
894 }
895
896 #if defined(__WXMSW__) || defined(__OS2__)
897 // Try Drive specifier
898 if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
899 {
900 // A:junk --> A:. (since A:.\junk Not A:\junk)
901 buf[2] = wxT('.');
902 buf[3] = wxT('\0');
903 return wxString(buf);
904 }
905 #endif
906 }
907 return wxString(wxT(""));
908 }
909
910 // Utility for converting delimiters in DOS filenames to UNIX style
911 // and back again - or we get nasty problems with delimiters.
912 // Also, convert to lower case, since case is significant in UNIX.
913
914 #if defined(__WXMAC__)
915 wxString wxMacFSSpec2MacFilename( const FSSpec *spec )
916 {
917 #ifdef __DARWIN__
918 int i;
919 int j;
920 OSErr theErr;
921 OSStatus theStatus = noErr;
922 Boolean isDirectory = FALSE;
923 Str255 theParentPath = "\p";
924 FSSpec theParentSpec;
925 FSRef theParentRef;
926 FSRef theRef ;
927 char theFileName[FILENAME_MAX];
928 char thePath[FILENAME_MAX];
929
930 // we loose the long filename by merely copying the spec->name
931 // so try the built-ins, which only work if the file exists, but still...
932
933 theErr = FSpMakeFSRef(spec, &theRef);
934 if ( theErr == noErr )
935 {
936 CFURLRef fullURLRef;
937 fullURLRef = ::CFURLCreateFromFSRef(NULL, &theRef);
938 #ifdef __UNIX__
939 CFURLPathStyle pathstyle = kCFURLPOSIXPathStyle;
940 #else
941 CFURLPathStyle pathstyle = kCFURLHFSPathStyle;
942 #endif
943 CFStringRef cfString = CFURLCopyFileSystemPath(fullURLRef, pathstyle);
944 ::CFRelease( fullURLRef ) ;
945 return wxMacCFStringHolder(cfString).AsString(wxLocale::GetSystemEncoding());
946 }
947
948 strcpy(thePath, "");
949
950 // GD: Separate file name from path and make a FSRef to the parent
951 // directory. This is necessary since FSRefs cannot reference files
952 // that have not yet been created.
953 // Based on example code from Apple Technical Note TN2022
954 // http://developer.apple.com/technotes/tn/tn2022.html
955
956 // check whether we are converting a directory
957 isDirectory = ((spec->name)[spec->name[0]] == ':');
958 // count length of file name
959 for (i = spec->name[0] - (isDirectory ? 1 : 0); ((spec->name[i] != ':') && (i > 0)); i--);
960 // copy file name
961 // prepend path separator since it will later be appended to the path
962 theFileName[0] = wxFILE_SEP_PATH;
963 for (j = i + 1; j <= spec->name[0] - (isDirectory ? 1 : 0); j++) {
964 theFileName[j - i] = spec->name[j];
965 }
966 theFileName[j - i] = '\0';
967 // copy path if any
968 for (j = 1; j <= i; j++) {
969 theParentPath[++theParentPath[0]] = spec->name[j];
970 }
971 theErr = FSMakeFSSpec(spec->vRefNum, spec->parID, theParentPath, &theParentSpec);
972 if (theErr == noErr) {
973 // convert the FSSpec to an FSRef
974 theErr = FSpMakeFSRef(&theParentSpec, &theParentRef);
975 }
976 if (theErr == noErr) {
977 // get the POSIX path associated with the FSRef
978 theStatus = FSRefMakePath(&theParentRef,
979 (UInt8 *)thePath, sizeof(thePath));
980 }
981 if (theStatus == noErr) {
982 // append file name to path
983 // includes previously prepended path separator
984 strcat(thePath, theFileName);
985 }
986
987 // create path string for return value
988 wxString result( thePath , wxConvLocal) ;
989 #else
990 Handle myPath ;
991 short length ;
992
993 // get length of path and allocate handle
994 FSpGetFullPath( spec , &length , &myPath ) ;
995 ::SetHandleSize( myPath , length + 1 ) ;
996 ::HLock( myPath ) ;
997 (*myPath)[length] = 0 ;
998 if ((length > 0) && ((*myPath)[length-1] == ':'))
999 (*myPath)[length-1] = 0 ;
1000
1001 // create path string for return value
1002 wxString result( *myPath , wxConvLocal) ;
1003
1004 // free allocated handle
1005 ::HUnlock( myPath ) ;
1006 ::DisposeHandle( myPath ) ;
1007 #endif
1008
1009 return result ;
1010 }
1011 #ifndef __DARWIN__
1012 // Mac file names are POSIX (Unix style) under Darwin
1013 // therefore the conversion functions below are not needed
1014
1015 static wxChar sMacFileNameConversion[ 1000 ] ;
1016 static char scMacFileNameConversion[ 1000 ] ;
1017
1018 #endif
1019 void wxMacFilename2FSSpec( const char *path , FSSpec *spec )
1020 {
1021 OSStatus err = noErr ;
1022 #ifdef __DARWIN__
1023 FSRef theRef;
1024
1025 // get the FSRef associated with the POSIX path
1026 err = FSPathMakeRef((const UInt8 *) path, &theRef, NULL);
1027 // convert the FSRef to an FSSpec
1028 err = FSGetCatalogInfo(&theRef, kFSCatInfoNone, NULL, NULL, spec, NULL);
1029 #else
1030 if ( strchr( path , ':' ) == NULL )
1031 {
1032 // try whether it is a volume / or a mounted volume
1033 strncpy( scMacFileNameConversion , path , 1000 ) ;
1034 scMacFileNameConversion[998] = 0 ;
1035 strcat( scMacFileNameConversion , ":" ) ;
1036 err = FSpLocationFromFullPath( strlen(scMacFileNameConversion) , scMacFileNameConversion , spec ) ;
1037 }
1038 else
1039 {
1040 err = FSpLocationFromFullPath( strlen(path) , path , spec ) ;
1041 }
1042 #endif
1043 }
1044
1045 #if wxUSE_UNICODE
1046 WXDLLEXPORT void wxMacFilename2FSSpec( const wxChar *path , FSSpec *spec )
1047 {
1048 return wxMacFilename2FSSpec( wxConvFile.cWC2MB(path) , spec ) ;
1049 }
1050 #endif
1051
1052 #ifndef __DARWIN__
1053
1054 wxString wxMac2UnixFilename (const wxChar *str)
1055 {
1056 wxChar *s = sMacFileNameConversion ;
1057 wxStrcpy( s , str ) ;
1058 if (s)
1059 {
1060 memmove( s+1 , s ,wxStrlen( s ) + 1 * sizeof(wxChar)) ;
1061 if ( *s == ':' )
1062 *s = '.' ;
1063 else
1064 *s = '/' ;
1065
1066 while (*s)
1067 {
1068 if (*s == ':')
1069 *s = '/';
1070 else
1071 *s = wxTolower(*s); // Case INDEPENDENT
1072 s++;
1073 }
1074 }
1075 return wxString(sMacFileNameConversion) ;
1076 }
1077
1078 wxString wxUnix2MacFilename (const wxChar *str)
1079 {
1080 wxChar *s = sMacFileNameConversion ;
1081 wxStrcpy( s , str ) ;
1082 if (s)
1083 {
1084 if ( *s == '.' )
1085 {
1086 // relative path , since it goes on with slash which is translated to a :
1087 memmove( s , s+1 ,wxStrlen( s ) * sizeof(wxChar)) ;
1088 }
1089 else if ( *s == '/' )
1090 {
1091 // absolute path -> on mac just start with the drive name
1092 memmove( s , s+1 ,wxStrlen( s ) * sizeof(wxChar) ) ;
1093 }
1094 else
1095 {
1096 wxASSERT_MSG( 1 , wxT("unkown path beginning") ) ;
1097 }
1098 while (*s)
1099 {
1100 if (*s == '/' || *s == '\\')
1101 {
1102 // convert any back-directory situations
1103 if ( *(s+1) == '.' && *(s+2) == '.' && ( (*(s+3) == '/' || *(s+3) == '\\') ) )
1104 {
1105 *s = ':';
1106 memmove( s+1 , s+3 ,(wxStrlen( s+3 ) + 1)*sizeof(wxChar) ) ;
1107 }
1108 else
1109 *s = ':';
1110 }
1111 s++ ;
1112 }
1113 }
1114 return wxString(sMacFileNameConversion) ;
1115 }
1116
1117 wxString wxMacFSSpec2UnixFilename( const FSSpec *spec )
1118 {
1119 return wxMac2UnixFilename( wxMacFSSpec2MacFilename( spec) ) ;
1120 }
1121
1122 void wxUnixFilename2FSSpec( const wxChar *path , FSSpec *spec )
1123 {
1124 wxString var = wxUnix2MacFilename( path ) ;
1125 wxMacFilename2FSSpec( var , spec ) ;
1126 }
1127 #endif // ! __DARWIN__
1128
1129 #endif // __WXMAC__
1130
1131 void
1132 wxDos2UnixFilename (wxChar *s)
1133 {
1134 if (s)
1135 while (*s)
1136 {
1137 if (*s == _T('\\'))
1138 *s = _T('/');
1139 #ifdef __WXMSW__
1140 else
1141 *s = wxTolower (*s); // Case INDEPENDENT
1142 #endif
1143 s++;
1144 }
1145 }
1146
1147 void
1148 #if defined(__WXMSW__) || defined(__OS2__)
1149 wxUnix2DosFilename (wxChar *s)
1150 #else
1151 wxUnix2DosFilename (wxChar *WXUNUSED(s) )
1152 #endif
1153 {
1154 // Yes, I really mean this to happen under DOS only! JACS
1155 #if defined(__WXMSW__) || defined(__OS2__)
1156 if (s)
1157 while (*s)
1158 {
1159 if (*s == wxT('/'))
1160 *s = wxT('\\');
1161 s++;
1162 }
1163 #endif
1164 }
1165
1166 // Concatenate two files to form third
1167 bool
1168 wxConcatFiles (const wxString& file1, const wxString& file2, const wxString& file3)
1169 {
1170 wxString outfile;
1171 if ( !wxGetTempFileName( wxT("cat"), outfile) )
1172 return FALSE;
1173
1174 FILE *fp1 wxDUMMY_INITIALIZE(NULL);
1175 FILE *fp2 = NULL;
1176 FILE *fp3 = NULL;
1177 // Open the inputs and outputs
1178 if ((fp1 = wxFopen ( file1, wxT("rb"))) == NULL ||
1179 (fp2 = wxFopen ( file2, wxT("rb"))) == NULL ||
1180 (fp3 = wxFopen ( outfile, wxT("wb"))) == NULL)
1181 {
1182 if (fp1)
1183 fclose (fp1);
1184 if (fp2)
1185 fclose (fp2);
1186 if (fp3)
1187 fclose (fp3);
1188 return FALSE;
1189 }
1190
1191 int ch;
1192 while ((ch = getc (fp1)) != EOF)
1193 (void) putc (ch, fp3);
1194 fclose (fp1);
1195
1196 while ((ch = getc (fp2)) != EOF)
1197 (void) putc (ch, fp3);
1198 fclose (fp2);
1199
1200 fclose (fp3);
1201 bool result = wxRenameFile(outfile, file3);
1202 return result;
1203 }
1204
1205 // Copy files
1206 bool
1207 wxCopyFile (const wxString& file1, const wxString& file2, bool overwrite)
1208 {
1209 #if defined(__WIN32__) && !defined(__WXMICROWIN__)
1210 // CopyFile() copies file attributes and modification time too, so use it
1211 // instead of our code if available
1212 //
1213 // NB: 3rd parameter is bFailIfExists i.e. the inverse of overwrite
1214 if ( !::CopyFile(file1, file2, !overwrite) )
1215 {
1216 wxLogSysError(_("Failed to copy the file '%s' to '%s'"),
1217 file1.c_str(), file2.c_str());
1218
1219 return FALSE;
1220 }
1221 #elif defined(__OS2__)
1222 if ( ::DosCopy(file2, file2, overwrite ? DCPY_EXISTING : 0) != 0 )
1223 return FALSE;
1224 #else // !Win32
1225
1226 wxStructStat fbuf;
1227 // get permissions of file1
1228 if ( wxStat( file1.c_str(), &fbuf) != 0 )
1229 {
1230 // the file probably doesn't exist or we haven't the rights to read
1231 // from it anyhow
1232 wxLogSysError(_("Impossible to get permissions for file '%s'"),
1233 file1.c_str());
1234 return FALSE;
1235 }
1236
1237 // open file1 for reading
1238 wxFile fileIn(file1, wxFile::read);
1239 if ( !fileIn.IsOpened() )
1240 return FALSE;
1241
1242 // remove file2, if it exists. This is needed for creating
1243 // file2 with the correct permissions in the next step
1244 if ( wxFileExists(file2) && (!overwrite || !wxRemoveFile(file2)))
1245 {
1246 wxLogSysError(_("Impossible to overwrite the file '%s'"),
1247 file2.c_str());
1248 return FALSE;
1249 }
1250
1251 #ifdef __UNIX__
1252 // reset the umask as we want to create the file with exactly the same
1253 // permissions as the original one
1254 mode_t oldUmask = umask( 0 );
1255 #endif // __UNIX__
1256
1257 // create file2 with the same permissions than file1 and open it for
1258 // writing
1259
1260 wxFile fileOut;
1261 if ( !fileOut.Create(file2, overwrite, fbuf.st_mode & 0777) )
1262 return FALSE;
1263
1264 #ifdef __UNIX__
1265 /// restore the old umask
1266 umask(oldUmask);
1267 #endif // __UNIX__
1268
1269 // copy contents of file1 to file2
1270 char buf[4096];
1271 size_t count;
1272 for ( ;; )
1273 {
1274 count = fileIn.Read(buf, WXSIZEOF(buf));
1275 if ( fileIn.Error() )
1276 return FALSE;
1277
1278 // end of file?
1279 if ( !count )
1280 break;
1281
1282 if ( fileOut.Write(buf, count) < count )
1283 return FALSE;
1284 }
1285
1286 // we can expect fileIn to be closed successfully, but we should ensure
1287 // that fileOut was closed as some write errors (disk full) might not be
1288 // detected before doing this
1289 if ( !fileIn.Close() || !fileOut.Close() )
1290 return FALSE;
1291
1292 #if !defined(__VISAGECPP__) && !defined(__WXMAC__) || defined(__UNIX__)
1293 // no chmod in VA. Should be some permission API for HPFS386 partitions
1294 // however
1295 if ( chmod(OS_FILENAME(file2), fbuf.st_mode) != 0 )
1296 {
1297 wxLogSysError(_("Impossible to set permissions for the file '%s'"),
1298 file2.c_str());
1299 return FALSE;
1300 }
1301 #endif // OS/2 || Mac
1302 #endif // __WXMSW__ && __WIN32__
1303
1304 return TRUE;
1305 }
1306
1307 bool
1308 wxRenameFile (const wxString& file1, const wxString& file2)
1309 {
1310 #ifndef __WXWINCE__
1311 // Normal system call
1312 if ( wxRename (file1, file2) == 0 )
1313 return TRUE;
1314 #endif
1315
1316 // Try to copy
1317 if (wxCopyFile(file1, file2)) {
1318 wxRemoveFile(file1);
1319 return TRUE;
1320 }
1321 // Give up
1322 return FALSE;
1323 }
1324
1325 bool wxRemoveFile(const wxString& file)
1326 {
1327 #if defined(__VISUALC__) \
1328 || defined(__BORLANDC__) \
1329 || defined(__WATCOMC__) \
1330 || defined(__DMC__) \
1331 || defined(__GNUWIN32__) \
1332 || (defined(__MWERKS__) && defined(__MSL__))
1333 int res = wxRemove(file);
1334 #elif defined(__WXMAC__)
1335 int res = unlink(wxFNCONV(file));
1336 #else
1337 int res = unlink(OS_FILENAME(file));
1338 #endif
1339
1340 return res == 0;
1341 }
1342
1343 bool wxMkdir(const wxString& dir, int perm)
1344 {
1345 #if defined(__WXMAC__) && !defined(__UNIX__)
1346 return (mkdir( wxFNCONV(dir) , 0 ) == 0);
1347 #else // !Mac
1348 const wxChar *dirname = dir.c_str();
1349
1350 // assume mkdir() has 2 args on non Windows-OS/2 platforms and on Windows too
1351 // for the GNU compiler
1352 #if (!(defined(__WXMSW__) || defined(__OS2__) || defined(__DOS__))) || (defined(__GNUWIN32__) && !defined(__MINGW32__)) || defined(__WINE__) || defined(__WXMICROWIN__)
1353 #if defined(MSVCRT)
1354 if ( mkdir(wxFNCONV(dirname)) != 0 )
1355 #else
1356 if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1357 #endif
1358 #elif defined(__OS2__)
1359 if (::DosCreateDir((PSZ)dirname, NULL) != 0) // enhance for EAB's??
1360 #elif defined(__DOS__)
1361 #if defined(__WATCOMC__)
1362 (void)perm;
1363 if ( wxMkDir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
1364 #elif defined(__DJGPP__)
1365 if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1366 #else
1367 #error "Unsupported DOS compiler!"
1368 #endif
1369 #else // !MSW, !DOS and !OS/2 VAC++
1370 (void)perm;
1371 #ifdef __WXWINCE__
1372 if ( !CreateDirectory(dirname, NULL) )
1373 #else
1374 if ( wxMkDir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
1375 #endif
1376 #endif // !MSW/MSW
1377 {
1378 wxLogSysError(_("Directory '%s' couldn't be created"), dirname);
1379
1380 return FALSE;
1381 }
1382
1383 return TRUE;
1384 #endif // Mac/!Mac
1385 }
1386
1387 bool wxRmdir(const wxString& dir, int WXUNUSED(flags))
1388 {
1389 #ifdef __VMS__
1390 return FALSE; //to be changed since rmdir exists in VMS7.x
1391 #elif defined(__OS2__)
1392 return (::DosDeleteDir((PSZ)dir.c_str()) == 0);
1393 #else
1394
1395 #ifdef __WXWINCE__
1396 return (CreateDirectory(dir, NULL) != 0);
1397 #else
1398 return (wxRmDir(OS_FILENAME(dir)) == 0);
1399 #endif
1400
1401 #endif
1402 }
1403
1404 // does the path exists? (may have or not '/' or '\\' at the end)
1405 bool wxPathExists(const wxChar *pszPathName)
1406 {
1407 wxString strPath(pszPathName);
1408
1409 #if defined(__WINDOWS__) || defined(__OS2__)
1410 // Windows fails to find directory named "c:\dir\" even if "c:\dir" exists,
1411 // so remove all trailing backslashes from the path - but don't do this for
1412 // the pathes "d:\" (which are different from "d:") nor for just "\"
1413 while ( wxEndsWithPathSeparator(strPath) )
1414 {
1415 size_t len = strPath.length();
1416 if ( len == 1 || (len == 3 && strPath[len - 2] == _T(':')) )
1417 break;
1418
1419 strPath.Truncate(len - 1);
1420 }
1421 #endif // __WINDOWS__
1422
1423 #ifdef __OS2__
1424 // OS/2 can't handle "d:", it wants either "d:\" or "d:."
1425 if (strPath.length() == 2 && strPath[1u] == _T(':'))
1426 strPath << _T('.');
1427 #endif
1428
1429 #if defined(__WIN32__) && !defined(__WXMICROWIN__)
1430 // stat() can't cope with network paths
1431 DWORD ret = ::GetFileAttributes(strPath);
1432
1433 return (ret != (DWORD)-1) && (ret & FILE_ATTRIBUTE_DIRECTORY);
1434 #else // !__WIN32__
1435
1436 wxStructStat st;
1437 #ifndef __VISAGECPP__
1438 return wxStat(strPath.c_str(), &st) == 0 && ((st.st_mode & S_IFMT) == S_IFDIR);
1439 #else
1440 // S_IFMT not supported in VA compilers.. st_mode is a 2byte value only
1441 return wxStat(pszPathName, &st) == 0 && (st.st_mode == S_IFDIR);
1442 #endif
1443
1444 #endif // __WIN32__/!__WIN32__
1445 }
1446
1447 // Get a temporary filename, opening and closing the file.
1448 wxChar *wxGetTempFileName(const wxString& prefix, wxChar *buf)
1449 {
1450 wxString filename = wxFileName::CreateTempFileName(prefix);
1451 if ( filename.empty() )
1452 return NULL;
1453
1454 if ( buf )
1455 wxStrcpy(buf, filename);
1456 else
1457 buf = MYcopystring(filename);
1458
1459 return buf;
1460 }
1461
1462 bool wxGetTempFileName(const wxString& prefix, wxString& buf)
1463 {
1464 buf = wxFileName::CreateTempFileName(prefix);
1465
1466 return !buf.empty();
1467 }
1468
1469 // Get first file name matching given wild card.
1470
1471 static wxDir *gs_dir = NULL;
1472 static wxString gs_dirPath;
1473
1474 wxString wxFindFirstFile(const wxChar *spec, int flags)
1475 {
1476 wxSplitPath(spec, &gs_dirPath, NULL, NULL);
1477 if ( gs_dirPath.IsEmpty() )
1478 gs_dirPath = wxT(".");
1479 if ( !wxEndsWithPathSeparator(gs_dirPath ) )
1480 gs_dirPath << wxFILE_SEP_PATH;
1481
1482 if (gs_dir)
1483 delete gs_dir;
1484 gs_dir = new wxDir(gs_dirPath);
1485
1486 if ( !gs_dir->IsOpened() )
1487 {
1488 wxLogSysError(_("Can not enumerate files '%s'"), spec);
1489 return wxEmptyString;
1490 }
1491
1492 int dirFlags;
1493 switch (flags)
1494 {
1495 case wxDIR: dirFlags = wxDIR_DIRS; break;
1496 case wxFILE: dirFlags = wxDIR_FILES; break;
1497 default: dirFlags = wxDIR_DIRS | wxDIR_FILES; break;
1498 }
1499
1500 wxString result;
1501 gs_dir->GetFirst(&result, wxFileNameFromPath(wxString(spec)), dirFlags);
1502 if ( result.IsEmpty() )
1503 {
1504 wxDELETE(gs_dir);
1505 return result;
1506 }
1507
1508 return gs_dirPath + result;
1509 }
1510
1511 wxString wxFindNextFile()
1512 {
1513 wxASSERT_MSG( gs_dir, wxT("You must call wxFindFirstFile before!") );
1514
1515 wxString result;
1516 gs_dir->GetNext(&result);
1517
1518 if ( result.IsEmpty() )
1519 {
1520 wxDELETE(gs_dir);
1521 return result;
1522 }
1523
1524 return gs_dirPath + result;
1525 }
1526
1527
1528 // Get current working directory.
1529 // If buf is NULL, allocates space using new, else
1530 // copies into buf.
1531 wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
1532 {
1533 #ifdef __WXWINCE__
1534 return NULL;
1535 #else
1536 if ( !buf )
1537 {
1538 buf = new wxChar[sz + 1];
1539 }
1540
1541 bool ok wxDUMMY_INITIALIZE(FALSE);
1542
1543 // for the compilers which have Unicode version of _getcwd(), call it
1544 // directly, for the others call the ANSI version and do the translation
1545 #if !wxUSE_UNICODE
1546 #define cbuf buf
1547 #else // wxUSE_UNICODE
1548 bool needsANSI = TRUE;
1549
1550 #if !defined(HAVE_WGETCWD) || wxUSE_UNICODE_MSLU
1551 // This is not legal code as the compiler
1552 // is allowed destroy the wxCharBuffer.
1553 // wxCharBuffer c_buffer(sz);
1554 // char *cbuf = (char*)(const char*)c_buffer;
1555 char cbuf[_MAXPATHLEN];
1556 #endif
1557
1558 #ifdef HAVE_WGETCWD
1559 #if wxUSE_UNICODE_MSLU
1560 if ( wxGetOsVersion() != wxWIN95 )
1561 #else
1562 char *cbuf = NULL; // never really used because needsANSI will always be FALSE
1563 #endif
1564 {
1565 ok = _wgetcwd(buf, sz) != NULL;
1566 needsANSI = FALSE;
1567 }
1568 #endif
1569
1570 if ( needsANSI )
1571 #endif // wxUSE_UNICODE
1572 {
1573 #if defined(_MSC_VER) || defined(__MINGW32__)
1574 ok = _getcwd(cbuf, sz) != NULL;
1575 #elif defined(__WXMAC__) && !defined(__DARWIN__)
1576 FSSpec cwdSpec ;
1577 FCBPBRec pb;
1578 OSErr error;
1579 Str255 fileName ;
1580 pb.ioNamePtr = (StringPtr) &fileName;
1581 pb.ioVRefNum = 0;
1582 pb.ioRefNum = LMGetCurApRefNum();
1583 pb.ioFCBIndx = 0;
1584 error = PBGetFCBInfoSync(&pb);
1585 if ( error == noErr )
1586 {
1587 cwdSpec.vRefNum = pb.ioFCBVRefNum;
1588 cwdSpec.parID = pb.ioFCBParID;
1589 cwdSpec.name[0] = 0 ;
1590 wxString res = wxMacFSSpec2MacFilename( &cwdSpec ) ;
1591 wxStrcpy( buf , res ) ;
1592 ok = TRUE;
1593 }
1594 else
1595 {
1596 ok = FALSE;
1597 }
1598 #elif defined(__OS2__)
1599 APIRET rc;
1600 ULONG ulDriveNum = 0;
1601 ULONG ulDriveMap = 0;
1602 rc = ::DosQueryCurrentDisk(&ulDriveNum, &ulDriveMap);
1603 ok = rc == 0;
1604 if (ok)
1605 {
1606 sz -= 3;
1607 rc = ::DosQueryCurrentDir( 0 // current drive
1608 ,cbuf + 3
1609 ,(PULONG)&sz
1610 );
1611 cbuf[0] = 'A' + (ulDriveNum - 1);
1612 cbuf[1] = ':';
1613 cbuf[2] = '\\';
1614 ok = rc == 0;
1615 }
1616 #else // !Win32/VC++ !Mac !OS2
1617 ok = getcwd(cbuf, sz) != NULL;
1618 #endif // platform
1619
1620 #if wxUSE_UNICODE && !(defined(__WXMAC__) && !defined(__DARWIN__))
1621 // finally convert the result to Unicode if needed
1622 wxConvFile.MB2WC(buf, cbuf, sz);
1623 #endif // wxUSE_UNICODE
1624 }
1625
1626 if ( !ok )
1627 {
1628 wxLogSysError(_("Failed to get the working directory"));
1629
1630 // VZ: the old code used to return "." on error which didn't make any
1631 // sense at all to me - empty string is a better error indicator
1632 // (NULL might be even better but I'm afraid this could lead to
1633 // problems with the old code assuming the return is never NULL)
1634 buf[0] = _T('\0');
1635 }
1636 else // ok, but we might need to massage the path into the right format
1637 {
1638 #ifdef __DJGPP__
1639 // VS: DJGPP is a strange mix of DOS and UNIX API and returns paths
1640 // with / deliminers. We don't like that.
1641 for (wxChar *ch = buf; *ch; ch++)
1642 {
1643 if (*ch == wxT('/'))
1644 *ch = wxT('\\');
1645 }
1646 #endif // __DJGPP__
1647
1648 // MBN: we hope that in the case the user is compiling a GTK+/Motif app,
1649 // he needs Unix as opposed to Win32 pathnames
1650 #if defined( __CYGWIN__ ) && defined( __WINDOWS__ )
1651 // another example of DOS/Unix mix (Cygwin)
1652 wxString pathUnix = buf;
1653 cygwin_conv_to_full_win32_path(pathUnix, buf);
1654 #endif // __CYGWIN__
1655 }
1656
1657 return buf;
1658
1659 #if !wxUSE_UNICODE
1660 #undef cbuf
1661 #endif
1662
1663 #endif
1664 // __WXWINCE__
1665 }
1666
1667 wxString wxGetCwd()
1668 {
1669 wxChar *buffer = new wxChar[_MAXPATHLEN];
1670 wxGetWorkingDirectory(buffer, _MAXPATHLEN);
1671 wxString str( buffer );
1672 delete [] buffer;
1673
1674 return str;
1675 }
1676
1677 bool wxSetWorkingDirectory(const wxString& d)
1678 {
1679 #if defined(__OS2__)
1680 return (::DosSetCurrentDir((PSZ)d.c_str()) == 0);
1681 #elif defined(__UNIX__) || defined(__WXMAC__) || defined(__DOS__)
1682 return (chdir(wxFNSTRINGCAST d.fn_str()) == 0);
1683 #elif defined(__WINDOWS__)
1684
1685 #ifdef __WIN32__
1686 #ifdef __WXWINCE__
1687 // No equivalent in WinCE
1688 return FALSE;
1689 #else
1690 return (bool)(SetCurrentDirectory(d) != 0);
1691 #endif
1692 #else
1693 // Must change drive, too.
1694 bool isDriveSpec = ((strlen(d) > 1) && (d[1] == ':'));
1695 if (isDriveSpec)
1696 {
1697 wxChar firstChar = d[0];
1698
1699 // To upper case
1700 if (firstChar > 90)
1701 firstChar = firstChar - 32;
1702
1703 // To a drive number
1704 unsigned int driveNo = firstChar - 64;
1705 if (driveNo > 0)
1706 {
1707 unsigned int noDrives;
1708 _dos_setdrive(driveNo, &noDrives);
1709 }
1710 }
1711 bool success = (chdir(WXSTRINGCAST d) == 0);
1712
1713 return success;
1714 #endif
1715
1716 #endif
1717 }
1718
1719 // Get the OS directory if appropriate (such as the Windows directory).
1720 // On non-Windows platform, probably just return the empty string.
1721 wxString wxGetOSDirectory()
1722 {
1723 #ifdef __WXWINCE__
1724 return wxString(wxT("\\Windows"));
1725 #elif defined(__WINDOWS__) && !defined(__WXMICROWIN__)
1726 wxChar buf[256];
1727 GetWindowsDirectory(buf, 256);
1728 return wxString(buf);
1729 #elif defined(__WXMAC__)
1730 return wxMacFindFolder(kOnSystemDisk, 'macs', false);
1731 #else
1732 return wxEmptyString;
1733 #endif
1734 }
1735
1736 bool wxEndsWithPathSeparator(const wxChar *pszFileName)
1737 {
1738 size_t len = wxStrlen(pszFileName);
1739
1740 return len && wxIsPathSeparator(pszFileName[len - 1]);
1741 }
1742
1743 // find a file in a list of directories, returns FALSE if not found
1744 bool wxFindFileInPath(wxString *pStr, const wxChar *pszPath, const wxChar *pszFile)
1745 {
1746 // we assume that it's not empty
1747 wxCHECK_MSG( !wxIsEmpty(pszFile), FALSE,
1748 _T("empty file name in wxFindFileInPath"));
1749
1750 // skip path separator in the beginning of the file name if present
1751 if ( wxIsPathSeparator(*pszFile) )
1752 pszFile++;
1753
1754 // copy the path (strtok will modify it)
1755 wxChar *szPath = new wxChar[wxStrlen(pszPath) + 1];
1756 wxStrcpy(szPath, pszPath);
1757
1758 wxString strFile;
1759 wxChar *pc, *save_ptr;
1760 for ( pc = wxStrtok(szPath, wxPATH_SEP, &save_ptr);
1761 pc != NULL;
1762 pc = wxStrtok((wxChar *) NULL, wxPATH_SEP, &save_ptr) )
1763 {
1764 // search for the file in this directory
1765 strFile = pc;
1766 if ( !wxEndsWithPathSeparator(pc) )
1767 strFile += wxFILE_SEP_PATH;
1768 strFile += pszFile;
1769
1770 if ( wxFileExists(strFile) ) {
1771 *pStr = strFile;
1772 break;
1773 }
1774 }
1775
1776 // suppress warning about unused variable save_ptr when wxStrtok() is a
1777 // macro which throws away its third argument
1778 save_ptr = pc;
1779
1780 delete [] szPath;
1781
1782 return pc != NULL; // if TRUE => we breaked from the loop
1783 }
1784
1785 void WXDLLEXPORT wxSplitPath(const wxChar *pszFileName,
1786 wxString *pstrPath,
1787 wxString *pstrName,
1788 wxString *pstrExt)
1789 {
1790 // it can be empty, but it shouldn't be NULL
1791 wxCHECK_RET( pszFileName, wxT("NULL file name in wxSplitPath") );
1792
1793 wxFileName::SplitPath(pszFileName, pstrPath, pstrName, pstrExt);
1794 }
1795
1796 time_t WXDLLEXPORT wxFileModificationTime(const wxString& filename)
1797 {
1798 #ifdef __WXWINCE__
1799 FILETIME creationTime, lastAccessTime, lastWriteTime;
1800 HANDLE fileHandle = ::CreateFile(filename, GENERIC_READ, FILE_SHARE_READ, NULL,
1801 0, FILE_ATTRIBUTE_NORMAL, 0);
1802 if (fileHandle == INVALID_HANDLE_VALUE)
1803 return 0;
1804 else
1805 {
1806 if (GetFileTime(fileHandle, & creationTime, & lastAccessTime, & lastWriteTime))
1807 {
1808 CloseHandle(fileHandle);
1809
1810 wxDateTime dateTime;
1811 FILETIME ftLocal;
1812 if ( !::FileTimeToLocalFileTime(&lastWriteTime, &ftLocal) )
1813 {
1814 wxLogLastError(_T("FileTimeToLocalFileTime"));
1815 }
1816
1817 SYSTEMTIME st;
1818 if ( !::FileTimeToSystemTime(&ftLocal, &st) )
1819 {
1820 wxLogLastError(_T("FileTimeToSystemTime"));
1821 }
1822
1823 dateTime.Set(st.wDay, wxDateTime::Month(st.wMonth - 1), st.wYear,
1824 st.wHour, st.wMinute, st.wSecond, st.wMilliseconds);
1825 return dateTime.GetTicks();
1826 }
1827 else
1828 return 0;
1829 }
1830 #else
1831 wxStructStat buf;
1832 wxStat( filename, &buf);
1833
1834 return buf.st_mtime;
1835 #endif
1836 }
1837
1838
1839 // Parses the filterStr, returning the number of filters.
1840 // Returns 0 if none or if there's a problem.
1841 // filterStr is in the form: "All files (*.*)|*.*|JPEG Files (*.jpeg)|*.jpeg"
1842
1843 int WXDLLEXPORT wxParseCommonDialogsFilter(const wxString& filterStr, wxArrayString& descriptions, wxArrayString& filters)
1844 {
1845 descriptions.Clear();
1846 filters.Clear();
1847
1848 wxString str(filterStr);
1849
1850 wxString description, filter;
1851 int pos = 0;
1852 while( pos != wxNOT_FOUND )
1853 {
1854 pos = str.Find(wxT('|'));
1855 if ( pos == wxNOT_FOUND )
1856 {
1857 // if there are no '|'s at all in the string just take the entire
1858 // string as filter and make description empty for later autocompletion
1859 if ( filters.IsEmpty() )
1860 {
1861 descriptions.Add(wxEmptyString);
1862 filters.Add(filterStr);
1863 }
1864 else
1865 {
1866 wxFAIL_MSG( _T("missing '|' in the wildcard string!") );
1867 }
1868
1869 break;
1870 }
1871
1872 description = str.Left(pos);
1873 str = str.Mid(pos + 1);
1874 pos = str.Find(wxT('|'));
1875 if ( pos == wxNOT_FOUND )
1876 {
1877 filter = str;
1878 }
1879 else
1880 {
1881 filter = str.Left(pos);
1882 str = str.Mid(pos + 1);
1883 }
1884
1885 descriptions.Add(description);
1886 filters.Add(filter);
1887 }
1888
1889 #if defined(__WXMOTIF__)
1890 // split it so there is one wildcard per entry
1891 for( size_t i = 0 ; i < descriptions.GetCount() ; i++ )
1892 {
1893 pos = filters[i].Find(wxT(';'));
1894 if (pos != wxNOT_FOUND)
1895 {
1896 // first split only filters
1897 descriptions.Insert(descriptions[i],i+1);
1898 filters.Insert(filters[i].Mid(pos+1),i+1);
1899 filters[i]=filters[i].Left(pos);
1900
1901 // autoreplace new filter in description with pattern:
1902 // C/C++ Files(*.cpp;*.c;*.h)|*.cpp;*.c;*.h
1903 // cause split into:
1904 // C/C++ Files(*.cpp)|*.cpp
1905 // C/C++ Files(*.c;*.h)|*.c;*.h
1906 // and next iteration cause another split into:
1907 // C/C++ Files(*.cpp)|*.cpp
1908 // C/C++ Files(*.c)|*.c
1909 // C/C++ Files(*.h)|*.h
1910 for ( size_t k=i;k<i+2;k++ )
1911 {
1912 pos = descriptions[k].Find(filters[k]);
1913 if (pos != wxNOT_FOUND)
1914 {
1915 wxString before = descriptions[k].Left(pos);
1916 wxString after = descriptions[k].Mid(pos+filters[k].Len());
1917 pos = before.Find(_T('('),true);
1918 if (pos>before.Find(_T(')'),true))
1919 {
1920 before = before.Left(pos+1);
1921 before << filters[k];
1922 pos = after.Find(_T(')'));
1923 int pos1 = after.Find(_T('('));
1924 if (pos != wxNOT_FOUND && (pos<pos1 || pos1==wxNOT_FOUND))
1925 {
1926 before << after.Mid(pos);
1927 descriptions[k] = before;
1928 }
1929 }
1930 }
1931 }
1932 }
1933 }
1934 #endif
1935
1936 // autocompletion
1937 for( size_t j = 0 ; j < descriptions.GetCount() ; j++ )
1938 {
1939 if ( descriptions[j] == wxEmptyString && filters[j] != wxEmptyString )
1940 {
1941 descriptions[j].Printf(_("Files (%s)"), filters[j].c_str());
1942 }
1943 }
1944
1945 return filters.GetCount();
1946 }
1947
1948
1949 //------------------------------------------------------------------------
1950 // wild character routines
1951 //------------------------------------------------------------------------
1952
1953 bool wxIsWild( const wxString& pattern )
1954 {
1955 wxString tmp = pattern;
1956 wxChar *pat = WXSTRINGCAST(tmp);
1957 while (*pat)
1958 {
1959 switch (*pat++)
1960 {
1961 case wxT('?'): case wxT('*'): case wxT('['): case wxT('{'):
1962 return TRUE;
1963 case wxT('\\'):
1964 if (!*pat++)
1965 return FALSE;
1966 }
1967 }
1968 return FALSE;
1969 }
1970
1971 /*
1972 * Written By Douglas A. Lewis <dalewis@cs.Buffalo.EDU>
1973 *
1974 * The match procedure is public domain code (from ircII's reg.c)
1975 */
1976
1977 bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
1978 {
1979 if (text.empty())
1980 {
1981 /* Match if both are empty. */
1982 return pat.empty();
1983 }
1984
1985 const wxChar *m = pat.c_str(),
1986 *n = text.c_str(),
1987 *ma = NULL,
1988 *na = NULL,
1989 *mp = NULL,
1990 *np = NULL;
1991 int just = 0,
1992 pcount = 0,
1993 acount = 0,
1994 count = 0;
1995
1996 if (dot_special && (*n == wxT('.')))
1997 {
1998 /* Never match so that hidden Unix files
1999 * are never found. */
2000 return FALSE;
2001 }
2002
2003 for (;;)
2004 {
2005 if (*m == wxT('*'))
2006 {
2007 ma = ++m;
2008 na = n;
2009 just = 1;
2010 mp = NULL;
2011 acount = count;
2012 }
2013 else if (*m == wxT('?'))
2014 {
2015 m++;
2016 if (!*n++)
2017 return FALSE;
2018 }
2019 else
2020 {
2021 if (*m == wxT('\\'))
2022 {
2023 m++;
2024 /* Quoting "nothing" is a bad thing */
2025 if (!*m)
2026 return FALSE;
2027 }
2028 if (!*m)
2029 {
2030 /*
2031 * If we are out of both strings or we just
2032 * saw a wildcard, then we can say we have a
2033 * match
2034 */
2035 if (!*n)
2036 return TRUE;
2037 if (just)
2038 return TRUE;
2039 just = 0;
2040 goto not_matched;
2041 }
2042 /*
2043 * We could check for *n == NULL at this point, but
2044 * since it's more common to have a character there,
2045 * check to see if they match first (m and n) and
2046 * then if they don't match, THEN we can check for
2047 * the NULL of n
2048 */
2049 just = 0;
2050 if (*m == *n)
2051 {
2052 m++;
2053 if (*n == wxT(' '))
2054 mp = NULL;
2055 count++;
2056 n++;
2057 }
2058 else
2059 {
2060
2061 not_matched:
2062
2063 /*
2064 * If there are no more characters in the
2065 * string, but we still need to find another
2066 * character (*m != NULL), then it will be
2067 * impossible to match it
2068 */
2069 if (!*n)
2070 return FALSE;
2071 if (mp)
2072 {
2073 m = mp;
2074 if (*np == wxT(' '))
2075 {
2076 mp = NULL;
2077 goto check_percent;
2078 }
2079 n = ++np;
2080 count = pcount;
2081 }
2082 else
2083 check_percent:
2084
2085 if (ma)
2086 {
2087 m = ma;
2088 n = ++na;
2089 count = acount;
2090 }
2091 else
2092 return FALSE;
2093 }
2094 }
2095 }
2096 }
2097
2098
2099 #ifdef __VISUALC__
2100 #pragma warning(default:4706) // assignment within conditional expression
2101 #endif // VC++
wxWidgets (Impactor)