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compilation fix for wxUSE_PROTOCOL_FILE=0
[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 license
10 /////////////////////////////////////////////////////////////////////////////
11
12 // ============================================================================
13 // declarations
14 // ============================================================================
15
16 // ----------------------------------------------------------------------------
17 // headers
18 // ----------------------------------------------------------------------------
19
20 #ifdef __GNUG__
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 #include <time.h>
54
55 #ifndef __MWERKS__
56 #include <sys/types.h>
57 #include <sys/stat.h>
58 #else
59 #include <stat.h>
60 #include <unistd.h>
61 #include <unix.h>
62 #endif
63
64 #ifdef __UNIX__
65 #include <unistd.h>
66 #include <dirent.h>
67 #endif
68
69 #ifdef __WXPM__
70 #include <process.h>
71 #include "wx/os2/private.h"
72 #endif
73 #if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
74 #if !defined( __GNUWIN32__ ) && !defined( __MWERKS__ ) && !defined(__SALFORDC__)
75 #include <direct.h>
76 #include <dos.h>
77 #include <io.h>
78 #endif // __WINDOWS__
79 #endif // native Win compiler
80
81 #if defined(__DOS__)
82 #ifdef __WATCOMC__
83 #include <direct.h>
84 #include <dos.h>
85 #include <io.h>
86 #endif
87 #ifdef __DJGPP__
88 #include <unistd.h>
89 #endif
90 #endif
91
92 #ifdef __GNUWIN32__
93 #include <wchar.h>
94 #ifndef __TWIN32__
95 #include <sys/unistd.h>
96 #endif
97 #endif
98
99 #ifdef __BORLANDC__ // Please someone tell me which version of Borland needs
100 // this (3.1 I believe) and how to test for it.
101 // If this works for Borland 4.0 as well, then no worries.
102 #include <dir.h>
103 #endif
104
105 #ifdef __SALFORDC__
106 #include <dir.h>
107 #include <unix.h>
108 #endif
109
110 #include "wx/setup.h"
111 #include "wx/log.h"
112
113 // No, Cygwin doesn't appear to have fnmatch.h after all.
114 #if defined(HAVE_FNMATCH_H)
115 #include "fnmatch.h"
116 #endif
117
118 #ifdef __WINDOWS__
119 #include <windows.h>
120 #endif
121
122 // ----------------------------------------------------------------------------
123 // constants
124 // ----------------------------------------------------------------------------
125
126 #define _MAXPATHLEN 500
127
128 extern wxChar *wxBuffer;
129
130 #ifdef __WXMAC__
131 # include "MoreFiles.h"
132 # include "MoreFilesExtras.h"
133 # include "FullPath.h"
134 # include "FSpCompat.h"
135 #endif
136
137 IMPLEMENT_DYNAMIC_CLASS(wxPathList, wxStringList)
138
139 // ----------------------------------------------------------------------------
140 // private globals
141 // ----------------------------------------------------------------------------
142
143 static wxChar wxFileFunctionsBuffer[4*_MAXPATHLEN];
144
145 #if defined(__VISAGECPP__) && __IBMCPP__ >= 400
146 //
147 // VisualAge C++ V4.0 cannot have any external linkage const decs
148 // in headers included by more than one primary source
149 //
150 const off_t wxInvalidOffset = (off_t)-1;
151 #endif
152
153 // ----------------------------------------------------------------------------
154 // macros
155 // ----------------------------------------------------------------------------
156
157 // we need to translate Mac filenames before passing them to OS functions
158 #define OS_FILENAME(s) (s.fn_str())
159
160 // ============================================================================
161 // implementation
162 // ============================================================================
163
164 void wxPathList::Add (const wxString& path)
165 {
166 wxStringList::Add (WXSTRINGCAST path);
167 }
168
169 // Add paths e.g. from the PATH environment variable
170 void wxPathList::AddEnvList (const wxString& envVariable)
171 {
172 static const wxChar PATH_TOKS[] =
173 #ifdef __WINDOWS__
174 wxT(" ;"); // Don't seperate with colon in DOS (used for drive)
175 #else
176 wxT(" :;");
177 #endif
178
179 wxChar *val = wxGetenv (WXSTRINGCAST envVariable);
180 if (val && *val)
181 {
182 wxChar *s = copystring (val);
183 wxChar *save_ptr, *token = wxStrtok (s, PATH_TOKS, &save_ptr);
184
185 if (token)
186 {
187 Add (copystring (token));
188 while (token)
189 {
190 if ((token = wxStrtok ((wxChar *) NULL, PATH_TOKS, &save_ptr)) != NULL)
191 Add (wxString(token));
192 }
193 }
194
195 // suppress warning about unused variable save_ptr when wxStrtok() is a
196 // macro which throws away its third argument
197 save_ptr = token;
198
199 delete [] s;
200 }
201 }
202
203 // Given a full filename (with path), ensure that that file can
204 // be accessed again USING FILENAME ONLY by adding the path
205 // to the list if not already there.
206 void wxPathList::EnsureFileAccessible (const wxString& path)
207 {
208 wxString path_only(wxPathOnly(path));
209 if ( !path_only.IsEmpty() )
210 {
211 if ( !Member(path_only) )
212 Add(path_only);
213 }
214 }
215
216 bool wxPathList::Member (const wxString& path)
217 {
218 for (wxNode * node = First (); node != NULL; node = node->Next ())
219 {
220 wxString path2((wxChar *) node->Data ());
221 if (
222 #if defined(__WINDOWS__) || defined(__VMS__) || defined (__WXMAC__)
223 // Case INDEPENDENT
224 path.CompareTo (path2, wxString::ignoreCase) == 0
225 #else
226 // Case sensitive File System
227 path.CompareTo (path2) == 0
228 #endif
229 )
230 return TRUE;
231 }
232 return FALSE;
233 }
234
235 wxString wxPathList::FindValidPath (const wxString& file)
236 {
237 if (wxFileExists (wxExpandPath(wxFileFunctionsBuffer, file)))
238 return wxString(wxFileFunctionsBuffer);
239
240 wxChar buf[_MAXPATHLEN];
241 wxStrcpy(buf, wxFileFunctionsBuffer);
242
243 wxChar *filename = (wxChar*) NULL; /* shut up buggy egcs warning */
244 filename = IsAbsolutePath (buf) ? wxFileNameFromPath (buf) : (wxChar *)buf;
245
246 for (wxNode * node = First (); node; node = node->Next ())
247 {
248 wxChar *path = (wxChar *) node->Data ();
249 wxStrcpy (wxFileFunctionsBuffer, path);
250 wxChar ch = wxFileFunctionsBuffer[wxStrlen(wxFileFunctionsBuffer)-1];
251 if (ch != wxT('\\') && ch != wxT('/'))
252 wxStrcat (wxFileFunctionsBuffer, wxT("/"));
253 wxStrcat (wxFileFunctionsBuffer, filename);
254 #ifdef __WINDOWS__
255 Unix2DosFilename (wxFileFunctionsBuffer);
256 #endif
257 if (wxFileExists (wxFileFunctionsBuffer))
258 {
259 return wxString(wxFileFunctionsBuffer); // Found!
260 }
261 } // for()
262
263 return wxString(wxT("")); // Not found
264 }
265
266 wxString wxPathList::FindAbsoluteValidPath (const wxString& file)
267 {
268 wxString f = FindValidPath(file);
269 if ( wxIsAbsolutePath(f) )
270 return f;
271
272 wxString buf;
273 wxGetWorkingDirectory(buf.GetWriteBuf(_MAXPATHLEN), _MAXPATHLEN - 1);
274 buf.UngetWriteBuf();
275 if ( !wxEndsWithPathSeparator(buf) )
276 {
277 buf += wxFILE_SEP_PATH;
278 }
279 buf += f;
280
281 return buf;
282 }
283
284 bool
285 wxFileExists (const wxString& filename)
286 {
287 #if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
288 // GetFileAttributes can copy with network paths
289 DWORD ret = GetFileAttributes(filename);
290 DWORD isDir = (ret & FILE_ATTRIBUTE_DIRECTORY);
291 return ((ret != 0xffffffff) && (isDir == 0));
292 #else
293 wxStructStat stbuf;
294 if ( !filename.empty() && wxStat (OS_FILENAME(filename), &stbuf) == 0 )
295 return TRUE;
296
297 return FALSE;
298 #endif
299 }
300
301 bool
302 wxIsAbsolutePath (const wxString& filename)
303 {
304 if (filename != wxT(""))
305 {
306 #if defined(__WXMAC__) && !defined(__DARWIN__)
307 // Classic or Carbon CodeWarrior like
308 // Carbon with Apple DevTools is Unix like
309
310 // This seems wrong to me, but there is no fix. since
311 // "MacOS:MyText.txt" is absolute whereas "MyDir:MyText.txt"
312 // is not. Or maybe ":MyDir:MyText.txt" has to be used? RR.
313 if (filename.Find(':') != wxNOT_FOUND && filename[0] != ':')
314 return TRUE ;
315 #else
316 // Unix like or Windows
317 if (filename[0] == wxT('/'))
318 return TRUE;
319 #endif
320 #ifdef __VMS__
321 if ((filename[0] == wxT('[') && filename[1] != wxT('.')))
322 return TRUE;
323 #endif
324 #ifdef __WINDOWS__
325 // MSDOS like
326 if (filename[0] == wxT('\\') || (wxIsalpha (filename[0]) && filename[1] == wxT(':')))
327 return TRUE;
328 #endif
329 }
330 return FALSE ;
331 }
332
333 /*
334 * Strip off any extension (dot something) from end of file,
335 * IF one exists. Inserts zero into buffer.
336 *
337 */
338
339 void wxStripExtension(wxChar *buffer)
340 {
341 int len = wxStrlen(buffer);
342 int i = len-1;
343 while (i > 0)
344 {
345 if (buffer[i] == wxT('.'))
346 {
347 buffer[i] = 0;
348 break;
349 }
350 i --;
351 }
352 }
353
354 void wxStripExtension(wxString& buffer)
355 {
356 size_t len = buffer.Length();
357 size_t i = len-1;
358 while (i > 0)
359 {
360 if (buffer.GetChar(i) == wxT('.'))
361 {
362 buffer = buffer.Left(i);
363 break;
364 }
365 i --;
366 }
367 }
368
369 // Destructive removal of /./ and /../ stuff
370 wxChar *wxRealPath (wxChar *path)
371 {
372 #ifdef __WXMSW__
373 static const wxChar SEP = wxT('\\');
374 Unix2DosFilename(path);
375 #else
376 static const wxChar SEP = wxT('/');
377 #endif
378 if (path[0] && path[1]) {
379 /* MATTHEW: special case "/./x" */
380 wxChar *p;
381 if (path[2] == SEP && path[1] == wxT('.'))
382 p = &path[0];
383 else
384 p = &path[2];
385 for (; *p; p++)
386 {
387 if (*p == SEP)
388 {
389 if (p[1] == wxT('.') && p[2] == wxT('.') && (p[3] == SEP || p[3] == wxT('\0')))
390 {
391 wxChar *q;
392 for (q = p - 1; q >= path && *q != SEP; q--);
393 if (q[0] == SEP && (q[1] != wxT('.') || q[2] != wxT('.') || q[3] != SEP)
394 && (q - 1 <= path || q[-1] != SEP))
395 {
396 wxStrcpy (q, p + 3);
397 if (path[0] == wxT('\0'))
398 {
399 path[0] = SEP;
400 path[1] = wxT('\0');
401 }
402 #ifdef __WXMSW__
403 /* Check that path[2] is NULL! */
404 else if (path[1] == wxT(':') && !path[2])
405 {
406 path[2] = SEP;
407 path[3] = wxT('\0');
408 }
409 #endif
410 p = q - 1;
411 }
412 }
413 else if (p[1] == wxT('.') && (p[2] == SEP || p[2] == wxT('\0')))
414 wxStrcpy (p, p + 2);
415 }
416 }
417 }
418 return path;
419 }
420
421 // Must be destroyed
422 wxChar *wxCopyAbsolutePath(const wxString& filename)
423 {
424 if (filename == wxT(""))
425 return (wxChar *) NULL;
426
427 if (! IsAbsolutePath(wxExpandPath(wxFileFunctionsBuffer, filename))) {
428 wxChar buf[_MAXPATHLEN];
429 buf[0] = wxT('\0');
430 wxGetWorkingDirectory(buf, WXSIZEOF(buf));
431 wxChar ch = buf[wxStrlen(buf) - 1];
432 #ifdef __WXMSW__
433 if (ch != wxT('\\') && ch != wxT('/'))
434 wxStrcat(buf, wxT("\\"));
435 #else
436 if (ch != wxT('/'))
437 wxStrcat(buf, wxT("/"));
438 #endif
439 wxStrcat(buf, wxFileFunctionsBuffer);
440 return copystring( wxRealPath(buf) );
441 }
442 return copystring( wxFileFunctionsBuffer );
443 }
444
445 /*-
446 Handles:
447 ~/ => home dir
448 ~user/ => user's home dir
449 If the environment variable a = "foo" and b = "bar" then:
450 Unix:
451 $a => foo
452 $a$b => foobar
453 $a.c => foo.c
454 xxx$a => xxxfoo
455 ${a}! => foo!
456 $(b)! => bar!
457 \$a => \$a
458 MSDOS:
459 $a ==> $a
460 $(a) ==> foo
461 $(a)$b ==> foo$b
462 $(a)$(b)==> foobar
463 test.$$ ==> test.$$
464 */
465
466 /* input name in name, pathname output to buf. */
467
468 wxChar *wxExpandPath(wxChar *buf, const wxChar *name)
469 {
470 register wxChar *d, *s, *nm;
471 wxChar lnm[_MAXPATHLEN];
472 int q;
473
474 // Some compilers don't like this line.
475 // const wxChar trimchars[] = wxT("\n \t");
476
477 wxChar trimchars[4];
478 trimchars[0] = wxT('\n');
479 trimchars[1] = wxT(' ');
480 trimchars[2] = wxT('\t');
481 trimchars[3] = 0;
482
483 #ifdef __WXMSW__
484 const wxChar SEP = wxT('\\');
485 #else
486 const wxChar SEP = wxT('/');
487 #endif
488 buf[0] = wxT('\0');
489 if (name == NULL || *name == wxT('\0'))
490 return buf;
491 nm = copystring(name); // Make a scratch copy
492 wxChar *nm_tmp = nm;
493
494 /* Skip leading whitespace and cr */
495 while (wxStrchr((wxChar *)trimchars, *nm) != NULL)
496 nm++;
497 /* And strip off trailing whitespace and cr */
498 s = nm + (q = wxStrlen(nm)) - 1;
499 while (q-- && wxStrchr((wxChar *)trimchars, *s) != NULL)
500 *s = wxT('\0');
501
502 s = nm;
503 d = lnm;
504 #ifdef __WXMSW__
505 q = FALSE;
506 #else
507 q = nm[0] == wxT('\\') && nm[1] == wxT('~');
508 #endif
509
510 /* Expand inline environment variables */
511 #ifdef __VISAGECPP__
512 while (*d)
513 {
514 *d++ = *s;
515 if(*s == wxT('\\'))
516 {
517 *(d - 1) = *++s;
518 if (*d)
519 {
520 s++;
521 continue;
522 }
523 else
524 break;
525 }
526 else
527 #else
528 while ((*d++ = *s) != 0) {
529 # ifndef __WXMSW__
530 if (*s == wxT('\\')) {
531 if ((*(d - 1) = *++s)) {
532 s++;
533 continue;
534 } else
535 break;
536 } else
537 # endif
538 #endif
539 #ifdef __WXMSW__
540 if (*s++ == wxT('$') && (*s == wxT('{') || *s == wxT(')')))
541 #else
542 if (*s++ == wxT('$'))
543 #endif
544 {
545 register wxChar *start = d;
546 register int braces = (*s == wxT('{') || *s == wxT('('));
547 register wxChar *value;
548 while ((*d++ = *s) != 0)
549 if (braces ? (*s == wxT('}') || *s == wxT(')')) : !(wxIsalnum(*s) || *s == wxT('_')) )
550 break;
551 else
552 s++;
553 *--d = 0;
554 value = wxGetenv(braces ? start + 1 : start);
555 if (value) {
556 for ((d = start - 1); (*d++ = *value++) != 0;);
557 d--;
558 if (braces && *s)
559 s++;
560 }
561 }
562 }
563
564 /* Expand ~ and ~user */
565 nm = lnm;
566 s = wxT("");
567 if (nm[0] == wxT('~') && !q)
568 {
569 /* prefix ~ */
570 if (nm[1] == SEP || nm[1] == 0)
571 { /* ~/filename */
572 // FIXME: wxGetUserHome could return temporary storage in Unicode mode
573 if ((s = WXSTRINGCAST wxGetUserHome(wxT(""))) != NULL) {
574 if (*++nm)
575 nm++;
576 }
577 } else
578 { /* ~user/filename */
579 register wxChar *nnm;
580 register wxChar *home;
581 for (s = nm; *s && *s != SEP; s++);
582 int was_sep; /* MATTHEW: Was there a separator, or NULL? */
583 was_sep = (*s == SEP);
584 nnm = *s ? s + 1 : s;
585 *s = 0;
586 // FIXME: wxGetUserHome could return temporary storage in Unicode mode
587 if ((home = WXSTRINGCAST wxGetUserHome(wxString(nm + 1))) == NULL) {
588 if (was_sep) /* replace only if it was there: */
589 *s = SEP;
590 s = wxT("");
591 } else {
592 nm = nnm;
593 s = home;
594 }
595 }
596 }
597
598 d = buf;
599 if (s && *s) { /* MATTHEW: s could be NULL if user '~' didn't exist */
600 /* Copy home dir */
601 while (wxT('\0') != (*d++ = *s++))
602 /* loop */;
603 // Handle root home
604 if (d - 1 > buf && *(d - 2) != SEP)
605 *(d - 1) = SEP;
606 }
607 s = nm;
608 while ((*d++ = *s++) != 0);
609 delete[] nm_tmp; // clean up alloc
610 /* Now clean up the buffer */
611 return wxRealPath(buf);
612 }
613
614 /* Contract Paths to be build upon an environment variable
615 component:
616
617 example: "/usr/openwin/lib", OPENWINHOME --> ${OPENWINHOME}/lib
618
619 The call wxExpandPath can convert these back!
620 */
621 wxChar *
622 wxContractPath (const wxString& filename, const wxString& envname, const wxString& user)
623 {
624 static wxChar dest[_MAXPATHLEN];
625
626 if (filename == wxT(""))
627 return (wxChar *) NULL;
628
629 wxStrcpy (dest, WXSTRINGCAST filename);
630 #ifdef __WXMSW__
631 Unix2DosFilename(dest);
632 #endif
633
634 // Handle environment
635 const wxChar *val = (const wxChar *) NULL;
636 wxChar *tcp = (wxChar *) NULL;
637 if (envname != WXSTRINGCAST NULL && (val = wxGetenv (WXSTRINGCAST envname)) != NULL &&
638 (tcp = wxStrstr (dest, val)) != NULL)
639 {
640 wxStrcpy (wxFileFunctionsBuffer, tcp + wxStrlen (val));
641 *tcp++ = wxT('$');
642 *tcp++ = wxT('{');
643 wxStrcpy (tcp, WXSTRINGCAST envname);
644 wxStrcat (tcp, wxT("}"));
645 wxStrcat (tcp, wxFileFunctionsBuffer);
646 }
647
648 // Handle User's home (ignore root homes!)
649 size_t len = 0;
650 if ((val = wxGetUserHome (user)) != NULL &&
651 (len = wxStrlen(val)) > 2 &&
652 wxStrncmp(dest, val, len) == 0)
653 {
654 wxStrcpy(wxFileFunctionsBuffer, wxT("~"));
655 if (user != wxT(""))
656 wxStrcat(wxFileFunctionsBuffer, (const wxChar*) user);
657 #ifdef __WXMSW__
658 // strcat(wxFileFunctionsBuffer, "\\");
659 #else
660 // strcat(wxFileFunctionsBuffer, "/");
661 #endif
662 wxStrcat(wxFileFunctionsBuffer, dest + len);
663 wxStrcpy (dest, wxFileFunctionsBuffer);
664 }
665
666 return dest;
667 }
668
669 // Return just the filename, not the path
670 // (basename)
671 wxChar *wxFileNameFromPath (wxChar *path)
672 {
673 if (path)
674 {
675 register wxChar *tcp;
676
677 tcp = path + wxStrlen (path);
678 while (--tcp >= path)
679 {
680 #if defined(__WXMAC__) && !defined(__DARWIN__)
681 // Classic or Carbon CodeWarrior like
682 // Carbon with Apple DevTools is Unix like
683 if (*tcp == wxT(':'))
684 return tcp + 1;
685 #else
686 // Unix like or Windows
687 if (*tcp == wxT('/') || *tcp == wxT('\\'))
688 return tcp + 1;
689 #endif
690 #ifdef __VMS__
691 if (*tcp == wxT(':') || *tcp == wxT(']'))
692 return tcp + 1;
693 #endif
694 } /* while */
695 #if defined(__WXMSW__) || defined(__WXPM__)
696 // MSDOS like
697 if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
698 return path + 2;
699 #endif
700 }
701 return path;
702 }
703
704 wxString wxFileNameFromPath (const wxString& path1)
705 {
706 if (path1 != wxT(""))
707 {
708 wxChar *path = WXSTRINGCAST path1 ;
709 register wxChar *tcp;
710
711 tcp = path + wxStrlen (path);
712 while (--tcp >= path)
713 {
714 #if defined(__WXMAC__) && !defined(__DARWIN__)
715 // Classic or Carbon CodeWarrior like
716 // Carbon with Apple DevTools is Unix like
717 if (*tcp == wxT(':') )
718 return wxString(tcp + 1);
719 #else
720 // Unix like or Windows
721 if (*tcp == wxT('/') || *tcp == wxT('\\'))
722 return wxString(tcp + 1);
723 #endif
724 #ifdef __VMS__
725 if (*tcp == wxT(':') || *tcp == wxT(']'))
726 return wxString(tcp + 1);
727 #endif
728 } /* while */
729 #if defined(__WXMSW__) || defined(__WXPM__)
730 // MSDOS like
731 if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
732 return wxString(path + 2);
733 #endif
734 }
735 // Yes, this should return the path, not an empty string, otherwise
736 // we get "thing.txt" -> "".
737 return path1;
738 }
739
740 // Return just the directory, or NULL if no directory
741 wxChar *
742 wxPathOnly (wxChar *path)
743 {
744 if (path && *path)
745 {
746 static wxChar buf[_MAXPATHLEN];
747
748 // Local copy
749 wxStrcpy (buf, path);
750
751 int l = wxStrlen(path);
752 int i = l - 1;
753
754 // Search backward for a backward or forward slash
755 while (i > -1)
756 {
757 #if defined(__WXMAC__) && !defined(__DARWIN__)
758 // Classic or Carbon CodeWarrior like
759 // Carbon with Apple DevTools is Unix like
760 if (path[i] == wxT(':') )
761 {
762 buf[i] = 0;
763 return buf;
764 }
765 #else
766 // Unix like or Windows
767 if (path[i] == wxT('/') || path[i] == wxT('\\'))
768 {
769 buf[i] = 0;
770 return buf;
771 }
772 #endif
773 #ifdef __VMS__
774 if (path[i] == wxT(']'))
775 {
776 buf[i+1] = 0;
777 return buf;
778 }
779 #endif
780 i --;
781 }
782
783 #if defined(__WXMSW__) || defined(__WXPM__)
784 // Try Drive specifier
785 if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
786 {
787 // A:junk --> A:. (since A:.\junk Not A:\junk)
788 buf[2] = wxT('.');
789 buf[3] = wxT('\0');
790 return buf;
791 }
792 #endif
793 }
794 return (wxChar *) NULL;
795 }
796
797 // Return just the directory, or NULL if no directory
798 wxString wxPathOnly (const wxString& path)
799 {
800 if (path != wxT(""))
801 {
802 wxChar buf[_MAXPATHLEN];
803
804 // Local copy
805 wxStrcpy (buf, WXSTRINGCAST path);
806
807 int l = path.Length();
808 int i = l - 1;
809
810 // Search backward for a backward or forward slash
811 while (i > -1)
812 {
813 #if defined(__WXMAC__) && !defined(__DARWIN__)
814 // Classic or Carbon CodeWarrior like
815 // Carbon with Apple DevTools is Unix like
816 if (path[i] == wxT(':') )
817 {
818 buf[i] = 0;
819 return wxString(buf);
820 }
821 #else
822 // Unix like or Windows
823 if (path[i] == wxT('/') || path[i] == wxT('\\'))
824 {
825 buf[i] = 0;
826 return wxString(buf);
827 }
828 #endif
829 #ifdef __VMS__
830 if (path[i] == wxT(']'))
831 {
832 buf[i+1] = 0;
833 return wxString(buf);
834 }
835 #endif
836 i --;
837 }
838
839 #if defined(__WXMSW__) || defined(__WXPM__)
840 // Try Drive specifier
841 if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
842 {
843 // A:junk --> A:. (since A:.\junk Not A:\junk)
844 buf[2] = wxT('.');
845 buf[3] = wxT('\0');
846 return wxString(buf);
847 }
848 #endif
849 }
850 return wxString(wxT(""));
851 }
852
853 // Utility for converting delimiters in DOS filenames to UNIX style
854 // and back again - or we get nasty problems with delimiters.
855 // Also, convert to lower case, since case is significant in UNIX.
856
857 #if defined(__WXMAC__)
858 wxString wxMacFSSpec2MacFilename( const FSSpec *spec )
859 {
860 #ifdef __DARWIN__
861 FSRef theRef;
862 char thePath[FILENAME_MAX];
863
864 // convert the FSSpec to an FSRef
865 (void) FSpMakeFSRef( spec, &theRef );
866 // get the POSIX path associated with the FSRef
867 (void) FSRefMakePath( &theRef, (UInt8 *)thePath, sizeof(thePath) );
868
869 // create path string for return value
870 wxString result( thePath ) ;
871 #else
872 Handle myPath ;
873 short length ;
874
875 // get length of path and allocate handle
876 FSpGetFullPath( spec , &length , &myPath ) ;
877 ::SetHandleSize( myPath , length + 1 ) ;
878 ::HLock( myPath ) ;
879 (*myPath)[length] = 0 ;
880 if ((length > 0) && ((*myPath)[length-1] == ':'))
881 (*myPath)[length-1] = 0 ;
882
883 // create path string for return value
884 wxString result( (char*) *myPath ) ;
885
886 // free allocated handle
887 ::HUnlock( myPath ) ;
888 ::DisposeHandle( myPath ) ;
889 #endif
890
891 return result ;
892 }
893
894 void wxMacFilename2FSSpec( const char *path , FSSpec *spec )
895 {
896 #ifdef __DARWIN__
897 FSRef theRef;
898
899 // get the FSRef associated with the POSIX path
900 (void) FSPathMakeRef((const UInt8 *) path, &theRef, NULL);
901 // convert the FSRef to an FSSpec
902 (void) FSGetCatalogInfo(&theRef, kFSCatInfoNone, NULL, NULL, spec, NULL);
903 #else
904 FSpLocationFromFullPath( strlen(path) , path , spec ) ;
905 #endif
906 }
907
908 #ifndef __DARWIN__
909 // Mac file names are POSIX (Unix style) under Darwin
910 // therefore the conversion functions below are not needed
911
912 static char sMacFileNameConversion[ 1000 ] ;
913
914 wxString wxMac2UnixFilename (const char *str)
915 {
916 char *s = sMacFileNameConversion ;
917 strcpy( s , str ) ;
918 if (s)
919 {
920 memmove( s+1 , s ,strlen( s ) + 1) ;
921 if ( *s == ':' )
922 *s = '.' ;
923 else
924 *s = '/' ;
925
926 while (*s)
927 {
928 if (*s == ':')
929 *s = '/';
930 else
931 *s = wxTolower(*s); // Case INDEPENDENT
932 s++;
933 }
934 }
935 return wxString(sMacFileNameConversion) ;
936 }
937
938 wxString wxUnix2MacFilename (const char *str)
939 {
940 char *s = sMacFileNameConversion ;
941 strcpy( s , str ) ;
942 if (s)
943 {
944 if ( *s == '.' )
945 {
946 // relative path , since it goes on with slash which is translated to a :
947 memmove( s , s+1 ,strlen( s ) ) ;
948 }
949 else if ( *s == '/' )
950 {
951 // absolute path -> on mac just start with the drive name
952 memmove( s , s+1 ,strlen( s ) ) ;
953 }
954 else
955 {
956 wxASSERT_MSG( 1 , "unkown path beginning" ) ;
957 }
958 while (*s)
959 {
960 if (*s == '/' || *s == '\\')
961 {
962 // convert any back-directory situations
963 if ( *(s+1) == '.' && *(s+2) == '.' && ( (*(s+3) == '/' || *(s+3) == '\\') ) )
964 {
965 *s = ':';
966 memmove( s+1 , s+3 ,strlen( s+3 ) + 1 ) ;
967 }
968 else
969 *s = ':';
970 }
971 s++ ;
972 }
973 }
974 return wxString (sMacFileNameConversion) ;
975 }
976
977 wxString wxMacFSSpec2UnixFilename( const FSSpec *spec )
978 {
979 return wxMac2UnixFilename( wxMacFSSpec2MacFilename( spec) ) ;
980 }
981
982 void wxUnixFilename2FSSpec( const char *path , FSSpec *spec )
983 {
984 wxString var = wxUnix2MacFilename( path ) ;
985 wxMacFilename2FSSpec( var , spec ) ;
986 }
987 #endif // ! __DARWIN__
988
989 #endif // __WXMAC__
990
991 void
992 wxDos2UnixFilename (char *s)
993 {
994 if (s)
995 while (*s)
996 {
997 if (*s == '\\')
998 *s = '/';
999 #ifdef __WXMSW__
1000 else
1001 *s = wxTolower (*s); // Case INDEPENDENT
1002 #endif
1003 s++;
1004 }
1005 }
1006
1007 void
1008 #if defined(__WXMSW__) || defined(__WXPM__)
1009 wxUnix2DosFilename (wxChar *s)
1010 #else
1011 wxUnix2DosFilename (wxChar *WXUNUSED(s) )
1012 #endif
1013 {
1014 // Yes, I really mean this to happen under DOS only! JACS
1015 #if defined(__WXMSW__) || defined(__WXPM__)
1016 if (s)
1017 while (*s)
1018 {
1019 if (*s == wxT('/'))
1020 *s = wxT('\\');
1021 s++;
1022 }
1023 #endif
1024 }
1025
1026 // Concatenate two files to form third
1027 bool
1028 wxConcatFiles (const wxString& file1, const wxString& file2, const wxString& file3)
1029 {
1030 wxString outfile;
1031 if ( !wxGetTempFileName("cat", outfile) )
1032 return FALSE;
1033
1034 FILE *fp1 = (FILE *) NULL;
1035 FILE *fp2 = (FILE *) NULL;
1036 FILE *fp3 = (FILE *) NULL;
1037 // Open the inputs and outputs
1038 if ((fp1 = wxFopen (OS_FILENAME( file1 ), wxT("rb"))) == NULL ||
1039 (fp2 = wxFopen (OS_FILENAME( file2 ), wxT("rb"))) == NULL ||
1040 (fp3 = wxFopen (OS_FILENAME( outfile ), wxT("wb"))) == NULL)
1041 {
1042 if (fp1)
1043 fclose (fp1);
1044 if (fp2)
1045 fclose (fp2);
1046 if (fp3)
1047 fclose (fp3);
1048 return FALSE;
1049 }
1050
1051 int ch;
1052 while ((ch = getc (fp1)) != EOF)
1053 (void) putc (ch, fp3);
1054 fclose (fp1);
1055
1056 while ((ch = getc (fp2)) != EOF)
1057 (void) putc (ch, fp3);
1058 fclose (fp2);
1059
1060 fclose (fp3);
1061 bool result = wxRenameFile(outfile, file3);
1062 return result;
1063 }
1064
1065 // Copy files
1066 bool
1067 wxCopyFile (const wxString& file1, const wxString& file2, bool overwrite)
1068 {
1069 #if defined(__WIN32__) && !defined(__WXMICROWIN__)
1070 // CopyFile() copies file attributes and modification time too, so use it
1071 // instead of our code if available
1072 //
1073 // NB: 3rd parameter is bFailIfExists i.e. the inverse of overwrite
1074 return ::CopyFile(file1, file2, !overwrite) != 0;
1075 #elif defined(__WXPM__)
1076 if (::DosCopy(file2, file2, overwrite ? DCPY_EXISTING : 0) == 0)
1077 return TRUE;
1078 else
1079 return FALSE;
1080 #else // !Win32
1081 wxStructStat fbuf;
1082
1083 // get permissions of file1
1084 if ( wxStat(OS_FILENAME(file1), &fbuf) != 0 )
1085 {
1086 // the file probably doesn't exist or we haven't the rights to read
1087 // from it anyhow
1088 wxLogSysError(_("Impossible to get permissions for file '%s'"),
1089 file1.c_str());
1090 return FALSE;
1091 }
1092
1093 // open file1 for reading
1094 wxFile fileIn(file1, wxFile::read);
1095 if ( !fileIn.IsOpened() )
1096 return FALSE;
1097
1098 // remove file2, if it exists. This is needed for creating
1099 // file2 with the correct permissions in the next step
1100 if ( wxFileExists(file2) && (!overwrite || !wxRemoveFile(file2)))
1101 {
1102 wxLogSysError(_("Impossible to overwrite the file '%s'"),
1103 file2.c_str());
1104 return FALSE;
1105 }
1106
1107 #ifdef __UNIX__
1108 // reset the umask as we want to create the file with exactly the same
1109 // permissions as the original one
1110 mode_t oldUmask = umask( 0 );
1111 #endif // __UNIX__
1112
1113 // create file2 with the same permissions than file1 and open it for
1114 // writing
1115 wxFile fileOut;
1116 if ( !fileOut.Create(file2, overwrite, fbuf.st_mode & 0777) )
1117 return FALSE;
1118
1119 #ifdef __UNIX__
1120 /// restore the old umask
1121 umask(oldUmask);
1122 #endif // __UNIX__
1123
1124 // copy contents of file1 to file2
1125 char buf[4096];
1126 size_t count;
1127 for ( ;; )
1128 {
1129 count = fileIn.Read(buf, WXSIZEOF(buf));
1130 if ( fileIn.Error() )
1131 return FALSE;
1132
1133 // end of file?
1134 if ( !count )
1135 break;
1136
1137 if ( fileOut.Write(buf, count) < count )
1138 return FALSE;
1139 }
1140
1141 // we can expect fileIn to be closed successfully, but we should ensure
1142 // that fileOut was closed as some write errors (disk full) might not be
1143 // detected before doing this
1144 if ( !fileIn.Close() || !fileOut.Close() )
1145 return FALSE;
1146
1147 #if !defined(__VISAGECPP__) && !defined(__WXMAC__) || defined(__UNIX__)
1148 // no chmod in VA. Should be some permission API for HPFS386 partitions
1149 // however
1150 if ( chmod(OS_FILENAME(file2), fbuf.st_mode) != 0 )
1151 {
1152 wxLogSysError(_("Impossible to set permissions for the file '%s'"),
1153 file2.c_str());
1154 return FALSE;
1155 }
1156 #endif // OS/2 || Mac
1157
1158 return TRUE;
1159 #endif // __WXMSW__ && __WIN32__
1160 }
1161
1162 bool
1163 wxRenameFile (const wxString& file1, const wxString& file2)
1164 {
1165 // Normal system call
1166 if ( wxRename (file1, file2) == 0 )
1167 return TRUE;
1168
1169 // Try to copy
1170 if (wxCopyFile(file1, file2)) {
1171 wxRemoveFile(file1);
1172 return TRUE;
1173 }
1174 // Give up
1175 return FALSE;
1176 }
1177
1178 bool wxRemoveFile(const wxString& file)
1179 {
1180 #if defined(__VISUALC__) \
1181 || defined(__BORLANDC__) \
1182 || defined(__WATCOMC__) \
1183 || defined(__GNUWIN32__)
1184 int res = wxRemove(file);
1185 #else
1186 int res = unlink(OS_FILENAME(file));
1187 #endif
1188
1189 return res == 0;
1190 }
1191
1192 bool wxMkdir(const wxString& dir, int perm)
1193 {
1194 #if defined(__WXMAC__) && !defined(__UNIX__)
1195 return (mkdir( dir , 0 ) == 0);
1196 #else // !Mac
1197 const wxChar *dirname = dir.c_str();
1198
1199 // assume mkdir() has 2 args on non Windows-OS/2 platforms and on Windows too
1200 // for the GNU compiler
1201 #if (!(defined(__WXMSW__) || defined(__WXPM__) || defined(__DOS__))) || (defined(__GNUWIN32__) && !defined(__MINGW32__)) || defined(__WXWINE__) || defined(__WXMICROWIN__)
1202 if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1203 #elif defined(__WXPM__)
1204 if (::DosCreateDir((PSZ)dirname, NULL) != 0) // enhance for EAB's??
1205 #elif defined(__DOS__)
1206 #if defined(__WATCOMC__)
1207 (void)perm;
1208 if ( wxMkDir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
1209 #elif defined(__DJGPP__)
1210 if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1211 #else
1212 #error "Unsupported DOS compiler!"
1213 #endif
1214 #else // !MSW, !DOS and !OS/2 VAC++
1215 (void)perm;
1216 if ( wxMkDir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
1217 #endif // !MSW/MSW
1218 {
1219 wxLogSysError(_("Directory '%s' couldn't be created"), dirname);
1220
1221 return FALSE;
1222 }
1223
1224 return TRUE;
1225 #endif // Mac/!Mac
1226 }
1227
1228 bool wxRmdir(const wxString& dir, int WXUNUSED(flags))
1229 {
1230 #ifdef __VMS__
1231 return FALSE; //to be changed since rmdir exists in VMS7.x
1232 #elif defined(__WXPM__)
1233 return (::DosDeleteDir((PSZ)dir.c_str()) == 0);
1234 #else
1235
1236 #ifdef __SALFORDC__
1237 return FALSE; // What to do?
1238 #else
1239 return (wxRmDir(OS_FILENAME(dir)) == 0);
1240 #endif
1241
1242 #endif
1243 }
1244
1245 // does the path exists? (may have or not '/' or '\\' at the end)
1246 bool wxPathExists(const wxChar *pszPathName)
1247 {
1248 wxString strPath(pszPathName);
1249 #ifdef __WINDOWS__
1250 // Windows fails to find directory named "c:\dir\" even if "c:\dir" exists,
1251 // so remove all trailing backslashes from the path - but don't do this for
1252 // the pathes "d:\" (which are different from "d:") nor for just "\"
1253 while ( wxEndsWithPathSeparator(strPath) )
1254 {
1255 size_t len = strPath.length();
1256 if ( len == 1 || (len == 3 && strPath[len - 2] == _T(':')) )
1257 break;
1258
1259 strPath.Truncate(len - 1);
1260 }
1261 #endif // __WINDOWS__
1262
1263 #if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
1264 // Stat can't cope with network paths
1265 DWORD ret = GetFileAttributes(strPath.c_str());
1266 DWORD isDir = (ret & FILE_ATTRIBUTE_DIRECTORY);
1267 return ((ret != 0xffffffff) && (isDir != 0));
1268 #else
1269
1270 wxStructStat st;
1271 #ifndef __VISAGECPP__
1272 return wxStat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 &&
1273 ((st.st_mode & S_IFMT) == S_IFDIR);
1274 #else
1275 // S_IFMT not supported in VA compilers.. st_mode is a 2byte value only
1276 return wxStat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 &&
1277 (st.st_mode == S_IFDIR);
1278 #endif
1279
1280 #endif
1281 }
1282
1283 // Get a temporary filename, opening and closing the file.
1284 wxChar *wxGetTempFileName(const wxString& prefix, wxChar *buf)
1285 {
1286 wxString filename = wxFileName::CreateTempFileName(prefix);
1287 if ( filename.empty() )
1288 return NULL;
1289
1290 if ( buf )
1291 wxStrcpy(buf, filename);
1292 else
1293 buf = copystring(filename);
1294
1295 return buf;
1296 }
1297
1298 bool wxGetTempFileName(const wxString& prefix, wxString& buf)
1299 {
1300 buf = wxFileName::CreateTempFileName(prefix);
1301
1302 return !buf.empty();
1303 }
1304
1305 // Get first file name matching given wild card.
1306
1307 static wxDir *gs_dir = NULL;
1308 static wxString gs_dirPath;
1309
1310 wxString wxFindFirstFile(const wxChar *spec, int flags)
1311 {
1312 gs_dirPath = wxPathOnly(spec);
1313 if ( gs_dirPath.IsEmpty() )
1314 gs_dirPath = wxT(".");
1315 if ( gs_dirPath.Last() != wxFILE_SEP_PATH )
1316 gs_dirPath << wxFILE_SEP_PATH;
1317
1318 if (gs_dir)
1319 delete gs_dir;
1320 gs_dir = new wxDir(gs_dirPath);
1321
1322 if ( !gs_dir->IsOpened() )
1323 {
1324 wxLogSysError(_("Can not enumerate files '%s'"), spec);
1325 return wxEmptyString;
1326 }
1327
1328 int dirFlags = 0;
1329 switch (flags)
1330 {
1331 case wxDIR: dirFlags = wxDIR_DIRS; break;
1332 case wxFILE: dirFlags = wxDIR_FILES; break;
1333 default: dirFlags = wxDIR_DIRS | wxDIR_FILES; break;
1334 }
1335
1336 wxString result;
1337 gs_dir->GetFirst(&result, wxFileNameFromPath(spec), dirFlags);
1338 if ( result.IsEmpty() )
1339 {
1340 wxDELETE(gs_dir);
1341 return result;
1342 }
1343
1344 return gs_dirPath + result;
1345 }
1346
1347 wxString wxFindNextFile()
1348 {
1349 wxASSERT_MSG( gs_dir, wxT("You must call wxFindFirstFile before!") );
1350
1351 wxString result;
1352 gs_dir->GetNext(&result);
1353
1354 if ( result.IsEmpty() )
1355 {
1356 wxDELETE(gs_dir);
1357 return result;
1358 }
1359
1360 return gs_dirPath + result;
1361 }
1362
1363
1364 // Get current working directory.
1365 // If buf is NULL, allocates space using new, else
1366 // copies into buf.
1367 wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
1368 {
1369 if (!buf)
1370 buf = new wxChar[sz+1];
1371 #if wxUSE_UNICODE
1372 char *cbuf = new char[sz+1];
1373 #ifdef _MSC_VER
1374 if (_getcwd(cbuf, sz) == NULL) {
1375 #elif defined(__WXMAC__) && !defined(__DARWIN__)
1376 enum
1377 {
1378 SFSaveDisk = 0x214, CurDirStore = 0x398
1379 };
1380 FSSpec cwdSpec ;
1381
1382 FSMakeFSSpec( - *(short *) SFSaveDisk , *(long *) CurDirStore , NULL , &cwdSpec ) ;
1383 wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
1384 strcpy( buf , res ) ;
1385 if (0) {
1386 #else
1387 if (getcwd(cbuf, sz) == NULL) {
1388 #endif
1389 delete [] cbuf;
1390 #else // wxUnicode
1391 #ifdef _MSC_VER
1392 if (_getcwd(buf, sz) == NULL) {
1393 #elif defined(__WXMAC__) && !defined(__DARWIN__)
1394 FSSpec cwdSpec ;
1395 FCBPBRec pb;
1396 OSErr error;
1397 Str255 fileName ;
1398 pb.ioNamePtr = (StringPtr) &fileName;
1399 pb.ioVRefNum = 0;
1400 pb.ioRefNum = LMGetCurApRefNum();
1401 pb.ioFCBIndx = 0;
1402 error = PBGetFCBInfoSync(&pb);
1403 if ( error == noErr )
1404 {
1405 cwdSpec.vRefNum = pb.ioFCBVRefNum;
1406 cwdSpec.parID = pb.ioFCBParID;
1407 cwdSpec.name[0] = 0 ;
1408 wxString res = wxMacFSSpec2MacFilename( &cwdSpec ) ;
1409
1410 strcpy( buf , res ) ;
1411 buf[res.length()]=0 ;
1412 }
1413 else
1414 buf[0] = 0 ;
1415 /*
1416 this version will not always give back the application directory on mac
1417 enum
1418 {
1419 SFSaveDisk = 0x214, CurDirStore = 0x398
1420 };
1421 FSSpec cwdSpec ;
1422
1423 FSMakeFSSpec( - *(short *) SFSaveDisk , *(long *) CurDirStore , NULL , &cwdSpec ) ;
1424 wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
1425 strcpy( buf , res ) ;
1426 */
1427 if (0) {
1428 #elif defined(__VISAGECPP__) || (defined (__OS2__) && defined (__WATCOMC__))
1429 APIRET rc;
1430 rc = ::DosQueryCurrentDir( 0 // current drive
1431 ,buf
1432 ,(PULONG)&sz
1433 );
1434 if (rc != 0) {
1435 #else
1436 if (getcwd(buf, sz) == NULL) {
1437 #endif
1438 #endif
1439 buf[0] = wxT('.');
1440 buf[1] = wxT('\0');
1441 }
1442 #if wxUSE_UNICODE
1443 else {
1444 wxConvFile.MB2WC(buf, cbuf, sz);
1445 delete [] cbuf;
1446 }
1447 #endif
1448
1449 #ifdef __DJGPP__
1450 // VS: DJGPP is a strange mix of DOS and UNIX API and returns paths with
1451 // / deliminers. We don't like that.
1452 for (wxChar *ch = buf; *ch; ch++)
1453 if (*ch == wxT('/')) *ch = wxT('\\');
1454 #endif
1455
1456 return buf;
1457 }
1458
1459 wxString wxGetCwd()
1460 {
1461 static const size_t maxPathLen = 1024;
1462
1463 wxString str;
1464 wxGetWorkingDirectory(str.GetWriteBuf(maxPathLen), maxPathLen);
1465 str.UngetWriteBuf();
1466
1467 return str;
1468 }
1469
1470 bool wxSetWorkingDirectory(const wxString& d)
1471 {
1472 #if defined(__UNIX__) || defined(__WXMAC__) || defined(__DOS__)
1473 return (chdir(wxFNSTRINGCAST d.fn_str()) == 0);
1474 #elif defined(__WXPM__)
1475 return (::DosSetCurrentDir((PSZ)d.c_str()) == 0);
1476 #elif defined(__WINDOWS__)
1477
1478 #ifdef __WIN32__
1479 return (bool)(SetCurrentDirectory(d) != 0);
1480 #else
1481 // Must change drive, too.
1482 bool isDriveSpec = ((strlen(d) > 1) && (d[1] == ':'));
1483 if (isDriveSpec)
1484 {
1485 wxChar firstChar = d[0];
1486
1487 // To upper case
1488 if (firstChar > 90)
1489 firstChar = firstChar - 32;
1490
1491 // To a drive number
1492 unsigned int driveNo = firstChar - 64;
1493 if (driveNo > 0)
1494 {
1495 unsigned int noDrives;
1496 _dos_setdrive(driveNo, &noDrives);
1497 }
1498 }
1499 bool success = (chdir(WXSTRINGCAST d) == 0);
1500
1501 return success;
1502 #endif
1503
1504 #endif
1505 }
1506
1507 // Get the OS directory if appropriate (such as the Windows directory).
1508 // On non-Windows platform, probably just return the empty string.
1509 wxString wxGetOSDirectory()
1510 {
1511 #if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
1512 wxChar buf[256];
1513 GetWindowsDirectory(buf, 256);
1514 return wxString(buf);
1515 #else
1516 return wxEmptyString;
1517 #endif
1518 }
1519
1520 bool wxEndsWithPathSeparator(const wxChar *pszFileName)
1521 {
1522 size_t len = wxStrlen(pszFileName);
1523 if ( len == 0 )
1524 return FALSE;
1525 else
1526 return wxIsPathSeparator(pszFileName[len - 1]);
1527 }
1528
1529 // find a file in a list of directories, returns false if not found
1530 bool wxFindFileInPath(wxString *pStr, const wxChar *pszPath, const wxChar *pszFile)
1531 {
1532 // we assume that it's not empty
1533 wxCHECK_MSG( !wxIsEmpty(pszFile), FALSE,
1534 _T("empty file name in wxFindFileInPath"));
1535
1536 // skip path separator in the beginning of the file name if present
1537 if ( wxIsPathSeparator(*pszFile) )
1538 pszFile++;
1539
1540 // copy the path (strtok will modify it)
1541 wxChar *szPath = new wxChar[wxStrlen(pszPath) + 1];
1542 wxStrcpy(szPath, pszPath);
1543
1544 wxString strFile;
1545 wxChar *pc, *save_ptr;
1546 for ( pc = wxStrtok(szPath, wxPATH_SEP, &save_ptr);
1547 pc != NULL;
1548 pc = wxStrtok((wxChar *) NULL, wxPATH_SEP, &save_ptr) )
1549 {
1550 // search for the file in this directory
1551 strFile = pc;
1552 if ( !wxEndsWithPathSeparator(pc) )
1553 strFile += wxFILE_SEP_PATH;
1554 strFile += pszFile;
1555
1556 if ( FileExists(strFile) ) {
1557 *pStr = strFile;
1558 break;
1559 }
1560 }
1561
1562 // suppress warning about unused variable save_ptr when wxStrtok() is a
1563 // macro which throws away its third argument
1564 save_ptr = pc;
1565
1566 delete [] szPath;
1567
1568 return pc != NULL; // if true => we breaked from the loop
1569 }
1570
1571 void WXDLLEXPORT wxSplitPath(const wxChar *pszFileName,
1572 wxString *pstrPath,
1573 wxString *pstrName,
1574 wxString *pstrExt)
1575 {
1576 // it can be empty, but it shouldn't be NULL
1577 wxCHECK_RET( pszFileName, wxT("NULL file name in wxSplitPath") );
1578
1579 wxFileName::SplitPath(pszFileName, pstrPath, pstrName, pstrExt);
1580 }
1581
1582 time_t WXDLLEXPORT wxFileModificationTime(const wxString& filename)
1583 {
1584 wxStructStat buf;
1585
1586 wxStat(filename.fn_str(), &buf);
1587 return buf.st_mtime;
1588 }
1589
1590
1591 //------------------------------------------------------------------------
1592 // wild character routines
1593 //------------------------------------------------------------------------
1594
1595 bool wxIsWild( const wxString& pattern )
1596 {
1597 wxString tmp = pattern;
1598 wxChar *pat = WXSTRINGCAST(tmp);
1599 while (*pat) {
1600 switch (*pat++) {
1601 case wxT('?'): case wxT('*'): case wxT('['): case wxT('{'):
1602 return TRUE;
1603 case wxT('\\'):
1604 if (!*pat++)
1605 return FALSE;
1606 }
1607 }
1608 return FALSE;
1609 };
1610
1611 bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
1612
1613 #if defined(HAVE_FNMATCH_H)
1614 {
1615 // this probably won't work well for multibyte chars in Unicode mode?
1616 if(dot_special)
1617 return fnmatch(pat.fn_str(), text.fn_str(), FNM_PERIOD) == 0;
1618 else
1619 return fnmatch(pat.fn_str(), text.fn_str(), 0) == 0;
1620 }
1621 #else
1622
1623 // #pragma error Broken implementation of wxMatchWild() -- needs fixing!
1624
1625 /*
1626 * WARNING: this code is broken!
1627 */
1628 {
1629 wxString tmp1 = pat;
1630 wxChar *pattern = WXSTRINGCAST(tmp1);
1631 wxString tmp2 = text;
1632 wxChar *str = WXSTRINGCAST(tmp2);
1633 wxChar c;
1634 wxChar *cp;
1635 bool done = FALSE, ret_code, ok;
1636 // Below is for vi fans
1637 const wxChar OB = wxT('{'), CB = wxT('}');
1638
1639 // dot_special means '.' only matches '.'
1640 if (dot_special && *str == wxT('.') && *pattern != *str)
1641 return FALSE;
1642
1643 while ((*pattern != wxT('\0')) && (!done)
1644 && (((*str==wxT('\0'))&&((*pattern==OB)||(*pattern==wxT('*'))))||(*str!=wxT('\0')))) {
1645 switch (*pattern) {
1646 case wxT('\\'):
1647 pattern++;
1648 if (*pattern != wxT('\0'))
1649 pattern++;
1650 break;
1651 case wxT('*'):
1652 pattern++;
1653 ret_code = FALSE;
1654 while ((*str!=wxT('\0'))
1655 && ((ret_code=wxMatchWild(pattern, str++, FALSE)) == 0))
1656 /*loop*/;
1657 if (ret_code) {
1658 while (*str != wxT('\0'))
1659 str++;
1660 while (*pattern != wxT('\0'))
1661 pattern++;
1662 }
1663 break;
1664 case wxT('['):
1665 pattern++;
1666 repeat:
1667 if ((*pattern == wxT('\0')) || (*pattern == wxT(']'))) {
1668 done = TRUE;
1669 break;
1670 }
1671 if (*pattern == wxT('\\')) {
1672 pattern++;
1673 if (*pattern == wxT('\0')) {
1674 done = TRUE;
1675 break;
1676 }
1677 }
1678 if (*(pattern + 1) == wxT('-')) {
1679 c = *pattern;
1680 pattern += 2;
1681 if (*pattern == wxT(']')) {
1682 done = TRUE;
1683 break;
1684 }
1685 if (*pattern == wxT('\\')) {
1686 pattern++;
1687 if (*pattern == wxT('\0')) {
1688 done = TRUE;
1689 break;
1690 }
1691 }
1692 if ((*str < c) || (*str > *pattern)) {
1693 pattern++;
1694 goto repeat;
1695 }
1696 } else if (*pattern != *str) {
1697 pattern++;
1698 goto repeat;
1699 }
1700 pattern++;
1701 while ((*pattern != wxT(']')) && (*pattern != wxT('\0'))) {
1702 if ((*pattern == wxT('\\')) && (*(pattern + 1) != wxT('\0')))
1703 pattern++;
1704 pattern++;
1705 }
1706 if (*pattern != wxT('\0')) {
1707 pattern++, str++;
1708 }
1709 break;
1710 case wxT('?'):
1711 pattern++;
1712 str++;
1713 break;
1714 case OB:
1715 pattern++;
1716 while ((*pattern != CB) && (*pattern != wxT('\0'))) {
1717 cp = str;
1718 ok = TRUE;
1719 while (ok && (*cp != wxT('\0')) && (*pattern != wxT('\0'))
1720 && (*pattern != wxT(',')) && (*pattern != CB)) {
1721 if (*pattern == wxT('\\'))
1722 pattern++;
1723 ok = (*pattern++ == *cp++);
1724 }
1725 if (*pattern == wxT('\0')) {
1726 ok = FALSE;
1727 done = TRUE;
1728 break;
1729 } else if (ok) {
1730 str = cp;
1731 while ((*pattern != CB) && (*pattern != wxT('\0'))) {
1732 if (*++pattern == wxT('\\')) {
1733 if (*++pattern == CB)
1734 pattern++;
1735 }
1736 }
1737 } else {
1738 while (*pattern!=CB && *pattern!=wxT(',') && *pattern!=wxT('\0')) {
1739 if (*++pattern == wxT('\\')) {
1740 if (*++pattern == CB || *pattern == wxT(','))
1741 pattern++;
1742 }
1743 }
1744 }
1745 if (*pattern != wxT('\0'))
1746 pattern++;
1747 }
1748 break;
1749 default:
1750 if (*str == *pattern) {
1751 str++, pattern++;
1752 } else {
1753 done = TRUE;
1754 }
1755 }
1756 }
1757 while (*pattern == wxT('*'))
1758 pattern++;
1759 return ((*str == wxT('\0')) && (*pattern == wxT('\0')));
1760 };
1761
1762 #endif
1763
1764 #ifdef __VISUALC__
1765 #pragma warning(default:4706) // assignment within conditional expression
1766 #endif // VC++
1767
1768 //------------------------------------------------------------------------
1769 // Missing functions in Unicode for Win9x
1770 //------------------------------------------------------------------------
1771
1772 // NB: MSLU only covers Win32 API, it doesn't provide Unicode implementation of
1773 // libc functions. Unfortunately, some of MSVCRT wchar_t functions
1774 // (e.g. _wopen) don't work on Windows 9x, so we have to workaround it
1775 // by calling the char version. We still want to use wchar_t version on
1776 // NT/2000/XP, though, because they allow for Unicode file names.
1777 #if wxUSE_UNICODE_MSLU
1778
1779 #if defined( __VISUALC__ ) \
1780 || ( defined(__MINGW32__) && wxCHECK_W32API_VERSION( 0, 5 ) ) \
1781 || ( defined(__MWERKS__) && defined(__WXMSW__) )
1782 WXDLLEXPORT int wxOpen(const wxChar *name, int flags, int mode)
1783 {
1784 if ( wxGetOsVersion() == wxWINDOWS_NT )
1785 return _wopen(name, flags, mode);
1786 else
1787 return _open(wxConvFile.cWX2MB(name), flags, mode);
1788 }
1789 #endif
1790
1791 #endif // wxUSE_UNICODE_MSLU
wxWidgets (Impactor)