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[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 #if defined(__WXMAC__)
54 #include "wx/mac/private.h" // includes mac headers
55 #endif
56
57 #include <time.h>
58
59 #ifndef __MWERKS__
60 #include <sys/types.h>
61 #include <sys/stat.h>
62 #else
63 #include <stat.h>
64 #include <unistd.h>
65 #include <unix.h>
66 #endif
67
68 #ifdef __UNIX__
69 #include <unistd.h>
70 #include <dirent.h>
71 #endif
72
73 #ifdef __WXPM__
74 #include <process.h>
75 #include "wx/os2/private.h"
76 #endif
77 #if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
78 #if !defined( __GNUWIN32__ ) && !defined( __MWERKS__ ) && !defined(__SALFORDC__)
79 #include <direct.h>
80 #include <dos.h>
81 #include <io.h>
82 #endif // __WINDOWS__
83 #endif // native Win compiler
84
85 #if defined(__DOS__)
86 #ifdef __WATCOMC__
87 #include <direct.h>
88 #include <dos.h>
89 #include <io.h>
90 #endif
91 #ifdef __DJGPP__
92 #include <unistd.h>
93 #endif
94 #endif
95
96 #ifdef __BORLANDC__ // Please someone tell me which version of Borland needs
97 // this (3.1 I believe) and how to test for it.
98 // If this works for Borland 4.0 as well, then no worries.
99 #include <dir.h>
100 #endif
101
102 #ifdef __SALFORDC__
103 #include <dir.h>
104 #include <unix.h>
105 #endif
106
107 #include "wx/setup.h"
108 #include "wx/log.h"
109
110 // No, Cygwin doesn't appear to have fnmatch.h after all.
111 #if defined(HAVE_FNMATCH_H)
112 #include "fnmatch.h"
113 #endif
114
115 #ifdef __WINDOWS__
116 #include <windows.h>
117 #include "wx/msw/mslu.h"
118
119 // sys/cygwin.h is needed for cygwin_conv_to_full_win32_path()
120 //
121 // note that it must be included after <windows.h>
122 #ifdef __GNUWIN32__
123 #ifdef __CYGWIN__
124 #include <sys/cygwin.h>
125 #endif
126 #include <wchar.h>
127 #ifndef __TWIN32__
128 #include <sys/unistd.h>
129 #endif
130 #endif // __GNUWIN32__
131 #endif // __WINDOWS__
132
133 // TODO: Borland probably has _wgetcwd as well?
134 #ifdef _MSC_VER
135 #define HAVE_WGETCWD
136 #endif
137
138 // ----------------------------------------------------------------------------
139 // constants
140 // ----------------------------------------------------------------------------
141
142 #ifndef _MAXPATHLEN
143 #define _MAXPATHLEN 1024
144 #endif
145
146 #ifdef __WXMAC__
147 # include "MoreFiles.h"
148 # include "MoreFilesExtras.h"
149 # include "FullPath.h"
150 # include "FSpCompat.h"
151 #endif
152
153 IMPLEMENT_DYNAMIC_CLASS(wxPathList, wxStringList)
154
155 // ----------------------------------------------------------------------------
156 // private globals
157 // ----------------------------------------------------------------------------
158
159 static wxChar wxFileFunctionsBuffer[4*_MAXPATHLEN];
160
161 #if defined(__VISAGECPP__) && __IBMCPP__ >= 400
162 //
163 // VisualAge C++ V4.0 cannot have any external linkage const decs
164 // in headers included by more than one primary source
165 //
166 const off_t wxInvalidOffset = (off_t)-1;
167 #endif
168
169 // ----------------------------------------------------------------------------
170 // macros
171 // ----------------------------------------------------------------------------
172
173 // we need to translate Mac filenames before passing them to OS functions
174 #define OS_FILENAME(s) (s.fn_str())
175
176 // ============================================================================
177 // implementation
178 // ============================================================================
179
180 void wxPathList::Add (const wxString& path)
181 {
182 wxStringList::Add (WXSTRINGCAST path);
183 }
184
185 // Add paths e.g. from the PATH environment variable
186 void wxPathList::AddEnvList (const wxString& envVariable)
187 {
188 static const wxChar PATH_TOKS[] =
189 #ifdef __WINDOWS__
190 wxT(" ;"); // Don't seperate with colon in DOS (used for drive)
191 #else
192 wxT(" :;");
193 #endif
194
195 wxChar *val = wxGetenv (WXSTRINGCAST envVariable);
196 if (val && *val)
197 {
198 wxChar *s = copystring (val);
199 wxChar *save_ptr, *token = wxStrtok (s, PATH_TOKS, &save_ptr);
200
201 if (token)
202 {
203 Add (copystring (token));
204 while (token)
205 {
206 if ((token = wxStrtok ((wxChar *) NULL, PATH_TOKS, &save_ptr)) != NULL)
207 Add (wxString(token));
208 }
209 }
210
211 // suppress warning about unused variable save_ptr when wxStrtok() is a
212 // macro which throws away its third argument
213 save_ptr = token;
214
215 delete [] s;
216 }
217 }
218
219 // Given a full filename (with path), ensure that that file can
220 // be accessed again USING FILENAME ONLY by adding the path
221 // to the list if not already there.
222 void wxPathList::EnsureFileAccessible (const wxString& path)
223 {
224 wxString path_only(wxPathOnly(path));
225 if ( !path_only.IsEmpty() )
226 {
227 if ( !Member(path_only) )
228 Add(path_only);
229 }
230 }
231
232 bool wxPathList::Member (const wxString& path)
233 {
234 for (wxNode * node = First (); node != NULL; node = node->Next ())
235 {
236 wxString path2((wxChar *) node->Data ());
237 if (
238 #if defined(__WINDOWS__) || defined(__VMS__) || defined (__WXMAC__)
239 // Case INDEPENDENT
240 path.CompareTo (path2, wxString::ignoreCase) == 0
241 #else
242 // Case sensitive File System
243 path.CompareTo (path2) == 0
244 #endif
245 )
246 return TRUE;
247 }
248 return FALSE;
249 }
250
251 wxString wxPathList::FindValidPath (const wxString& file)
252 {
253 if (wxFileExists (wxExpandPath(wxFileFunctionsBuffer, file)))
254 return wxString(wxFileFunctionsBuffer);
255
256 wxChar buf[_MAXPATHLEN];
257 wxStrcpy(buf, wxFileFunctionsBuffer);
258
259 wxChar *filename = (wxChar*) NULL; /* shut up buggy egcs warning */
260 filename = IsAbsolutePath (buf) ? wxFileNameFromPath (buf) : (wxChar *)buf;
261
262 for (wxNode * node = First (); node; node = node->Next ())
263 {
264 wxChar *path = (wxChar *) node->Data ();
265 wxStrcpy (wxFileFunctionsBuffer, path);
266 wxChar ch = wxFileFunctionsBuffer[wxStrlen(wxFileFunctionsBuffer)-1];
267 if (ch != wxT('\\') && ch != wxT('/'))
268 wxStrcat (wxFileFunctionsBuffer, wxT("/"));
269 wxStrcat (wxFileFunctionsBuffer, filename);
270 #ifdef __WINDOWS__
271 Unix2DosFilename (wxFileFunctionsBuffer);
272 #endif
273 if (wxFileExists (wxFileFunctionsBuffer))
274 {
275 return wxString(wxFileFunctionsBuffer); // Found!
276 }
277 } // for()
278
279 return wxString(wxT("")); // Not found
280 }
281
282 wxString wxPathList::FindAbsoluteValidPath (const wxString& file)
283 {
284 wxString f = FindValidPath(file);
285 if ( wxIsAbsolutePath(f) )
286 return f;
287
288 wxString buf;
289 wxGetWorkingDirectory(wxStringBuffer(buf, _MAXPATHLEN), _MAXPATHLEN);
290
291 if ( !wxEndsWithPathSeparator(buf) )
292 {
293 buf += wxFILE_SEP_PATH;
294 }
295 buf += f;
296
297 return buf;
298 }
299
300 bool
301 wxFileExists (const wxString& filename)
302 {
303 #if defined(__WIN32__) && !defined(__WXMICROWIN__)
304 // GetFileAttributes can copy with network paths unlike stat()
305 DWORD ret = ::GetFileAttributes(filename);
306
307 return (ret != (DWORD)-1) && !(ret & FILE_ATTRIBUTE_DIRECTORY);
308 #else
309 wxStructStat stbuf;
310 if ( !filename.empty() && wxStat (OS_FILENAME(filename), &stbuf) == 0 )
311 return TRUE;
312
313 return FALSE;
314 #endif
315 }
316
317 bool
318 wxIsAbsolutePath (const wxString& filename)
319 {
320 if (filename != wxT(""))
321 {
322 #if defined(__WXMAC__) && !defined(__DARWIN__)
323 // Classic or Carbon CodeWarrior like
324 // Carbon with Apple DevTools is Unix like
325
326 // This seems wrong to me, but there is no fix. since
327 // "MacOS:MyText.txt" is absolute whereas "MyDir:MyText.txt"
328 // is not. Or maybe ":MyDir:MyText.txt" has to be used? RR.
329 if (filename.Find(':') != wxNOT_FOUND && filename[0] != ':')
330 return TRUE ;
331 #else
332 // Unix like or Windows
333 if (filename[0] == wxT('/'))
334 return TRUE;
335 #endif
336 #ifdef __VMS__
337 if ((filename[0] == wxT('[') && filename[1] != wxT('.')))
338 return TRUE;
339 #endif
340 #ifdef __WINDOWS__
341 // MSDOS like
342 if (filename[0] == wxT('\\') || (wxIsalpha (filename[0]) && filename[1] == wxT(':')))
343 return TRUE;
344 #endif
345 }
346 return FALSE ;
347 }
348
349 /*
350 * Strip off any extension (dot something) from end of file,
351 * IF one exists. Inserts zero into buffer.
352 *
353 */
354
355 void wxStripExtension(wxChar *buffer)
356 {
357 int len = wxStrlen(buffer);
358 int i = len-1;
359 while (i > 0)
360 {
361 if (buffer[i] == wxT('.'))
362 {
363 buffer[i] = 0;
364 break;
365 }
366 i --;
367 }
368 }
369
370 void wxStripExtension(wxString& buffer)
371 {
372 size_t len = buffer.Length();
373 size_t i = len-1;
374 while (i > 0)
375 {
376 if (buffer.GetChar(i) == wxT('.'))
377 {
378 buffer = buffer.Left(i);
379 break;
380 }
381 i --;
382 }
383 }
384
385 // Destructive removal of /./ and /../ stuff
386 wxChar *wxRealPath (wxChar *path)
387 {
388 #ifdef __WXMSW__
389 static const wxChar SEP = wxT('\\');
390 Unix2DosFilename(path);
391 #else
392 static const wxChar SEP = wxT('/');
393 #endif
394 if (path[0] && path[1]) {
395 /* MATTHEW: special case "/./x" */
396 wxChar *p;
397 if (path[2] == SEP && path[1] == wxT('.'))
398 p = &path[0];
399 else
400 p = &path[2];
401 for (; *p; p++)
402 {
403 if (*p == SEP)
404 {
405 if (p[1] == wxT('.') && p[2] == wxT('.') && (p[3] == SEP || p[3] == wxT('\0')))
406 {
407 wxChar *q;
408 for (q = p - 1; q >= path && *q != SEP; q--);
409 if (q[0] == SEP && (q[1] != wxT('.') || q[2] != wxT('.') || q[3] != SEP)
410 && (q - 1 <= path || q[-1] != SEP))
411 {
412 wxStrcpy (q, p + 3);
413 if (path[0] == wxT('\0'))
414 {
415 path[0] = SEP;
416 path[1] = wxT('\0');
417 }
418 #ifdef __WXMSW__
419 /* Check that path[2] is NULL! */
420 else if (path[1] == wxT(':') && !path[2])
421 {
422 path[2] = SEP;
423 path[3] = wxT('\0');
424 }
425 #endif
426 p = q - 1;
427 }
428 }
429 else if (p[1] == wxT('.') && (p[2] == SEP || p[2] == wxT('\0')))
430 wxStrcpy (p, p + 2);
431 }
432 }
433 }
434 return path;
435 }
436
437 // Must be destroyed
438 wxChar *wxCopyAbsolutePath(const wxString& filename)
439 {
440 if (filename == wxT(""))
441 return (wxChar *) NULL;
442
443 if (! IsAbsolutePath(wxExpandPath(wxFileFunctionsBuffer, filename))) {
444 wxChar buf[_MAXPATHLEN];
445 buf[0] = wxT('\0');
446 wxGetWorkingDirectory(buf, WXSIZEOF(buf));
447 wxChar ch = buf[wxStrlen(buf) - 1];
448 #ifdef __WXMSW__
449 if (ch != wxT('\\') && ch != wxT('/'))
450 wxStrcat(buf, wxT("\\"));
451 #else
452 if (ch != wxT('/'))
453 wxStrcat(buf, wxT("/"));
454 #endif
455 wxStrcat(buf, wxFileFunctionsBuffer);
456 return copystring( wxRealPath(buf) );
457 }
458 return copystring( wxFileFunctionsBuffer );
459 }
460
461 /*-
462 Handles:
463 ~/ => home dir
464 ~user/ => user's home dir
465 If the environment variable a = "foo" and b = "bar" then:
466 Unix:
467 $a => foo
468 $a$b => foobar
469 $a.c => foo.c
470 xxx$a => xxxfoo
471 ${a}! => foo!
472 $(b)! => bar!
473 \$a => \$a
474 MSDOS:
475 $a ==> $a
476 $(a) ==> foo
477 $(a)$b ==> foo$b
478 $(a)$(b)==> foobar
479 test.$$ ==> test.$$
480 */
481
482 /* input name in name, pathname output to buf. */
483
484 wxChar *wxExpandPath(wxChar *buf, const wxChar *name)
485 {
486 register wxChar *d, *s, *nm;
487 wxChar lnm[_MAXPATHLEN];
488 int q;
489
490 // Some compilers don't like this line.
491 // const wxChar trimchars[] = wxT("\n \t");
492
493 wxChar trimchars[4];
494 trimchars[0] = wxT('\n');
495 trimchars[1] = wxT(' ');
496 trimchars[2] = wxT('\t');
497 trimchars[3] = 0;
498
499 #ifdef __WXMSW__
500 const wxChar SEP = wxT('\\');
501 #else
502 const wxChar SEP = wxT('/');
503 #endif
504 buf[0] = wxT('\0');
505 if (name == NULL || *name == wxT('\0'))
506 return buf;
507 nm = copystring(name); // Make a scratch copy
508 wxChar *nm_tmp = nm;
509
510 /* Skip leading whitespace and cr */
511 while (wxStrchr((wxChar *)trimchars, *nm) != NULL)
512 nm++;
513 /* And strip off trailing whitespace and cr */
514 s = nm + (q = wxStrlen(nm)) - 1;
515 while (q-- && wxStrchr((wxChar *)trimchars, *s) != NULL)
516 *s = wxT('\0');
517
518 s = nm;
519 d = lnm;
520 #ifdef __WXMSW__
521 q = FALSE;
522 #else
523 q = nm[0] == wxT('\\') && nm[1] == wxT('~');
524 #endif
525
526 /* Expand inline environment variables */
527 #ifdef __VISAGECPP__
528 while (*d)
529 {
530 *d++ = *s;
531 if(*s == wxT('\\'))
532 {
533 *(d - 1) = *++s;
534 if (*d)
535 {
536 s++;
537 continue;
538 }
539 else
540 break;
541 }
542 else
543 #else
544 while ((*d++ = *s) != 0) {
545 # ifndef __WXMSW__
546 if (*s == wxT('\\')) {
547 if ((*(d - 1) = *++s)) {
548 s++;
549 continue;
550 } else
551 break;
552 } else
553 # endif
554 #endif
555 #ifdef __WXMSW__
556 if (*s++ == wxT('$') && (*s == wxT('{') || *s == wxT(')')))
557 #else
558 if (*s++ == wxT('$'))
559 #endif
560 {
561 register wxChar *start = d;
562 register int braces = (*s == wxT('{') || *s == wxT('('));
563 register wxChar *value;
564 while ((*d++ = *s) != 0)
565 if (braces ? (*s == wxT('}') || *s == wxT(')')) : !(wxIsalnum(*s) || *s == wxT('_')) )
566 break;
567 else
568 s++;
569 *--d = 0;
570 value = wxGetenv(braces ? start + 1 : start);
571 if (value) {
572 for ((d = start - 1); (*d++ = *value++) != 0;);
573 d--;
574 if (braces && *s)
575 s++;
576 }
577 }
578 }
579
580 /* Expand ~ and ~user */
581 nm = lnm;
582 if (nm[0] == wxT('~') && !q)
583 {
584 /* prefix ~ */
585 if (nm[1] == SEP || nm[1] == 0)
586 { /* ~/filename */
587 // FIXME: wxGetUserHome could return temporary storage in Unicode mode
588 if ((s = WXSTRINGCAST wxGetUserHome(wxT(""))) != NULL) {
589 if (*++nm)
590 nm++;
591 }
592 } else
593 { /* ~user/filename */
594 register wxChar *nnm;
595 register wxChar *home;
596 for (s = nm; *s && *s != SEP; s++);
597 int was_sep; /* MATTHEW: Was there a separator, or NULL? */
598 was_sep = (*s == SEP);
599 nnm = *s ? s + 1 : s;
600 *s = 0;
601 // FIXME: wxGetUserHome could return temporary storage in Unicode mode
602 if ((home = WXSTRINGCAST wxGetUserHome(wxString(nm + 1))) == NULL) {
603 if (was_sep) /* replace only if it was there: */
604 *s = SEP;
605 s = NULL;
606 } else {
607 nm = nnm;
608 s = home;
609 }
610 }
611 }
612
613 d = buf;
614 if (s && *s) { /* MATTHEW: s could be NULL if user '~' didn't exist */
615 /* Copy home dir */
616 while (wxT('\0') != (*d++ = *s++))
617 /* loop */;
618 // Handle root home
619 if (d - 1 > buf && *(d - 2) != SEP)
620 *(d - 1) = SEP;
621 }
622 s = nm;
623 while ((*d++ = *s++) != 0);
624 delete[] nm_tmp; // clean up alloc
625 /* Now clean up the buffer */
626 return wxRealPath(buf);
627 }
628
629 /* Contract Paths to be build upon an environment variable
630 component:
631
632 example: "/usr/openwin/lib", OPENWINHOME --> ${OPENWINHOME}/lib
633
634 The call wxExpandPath can convert these back!
635 */
636 wxChar *
637 wxContractPath (const wxString& filename, const wxString& envname, const wxString& user)
638 {
639 static wxChar dest[_MAXPATHLEN];
640
641 if (filename == wxT(""))
642 return (wxChar *) NULL;
643
644 wxStrcpy (dest, WXSTRINGCAST filename);
645 #ifdef __WXMSW__
646 Unix2DosFilename(dest);
647 #endif
648
649 // Handle environment
650 const wxChar *val = (const wxChar *) NULL;
651 wxChar *tcp = (wxChar *) NULL;
652 if (envname != WXSTRINGCAST NULL && (val = wxGetenv (WXSTRINGCAST envname)) != NULL &&
653 (tcp = wxStrstr (dest, val)) != NULL)
654 {
655 wxStrcpy (wxFileFunctionsBuffer, tcp + wxStrlen (val));
656 *tcp++ = wxT('$');
657 *tcp++ = wxT('{');
658 wxStrcpy (tcp, WXSTRINGCAST envname);
659 wxStrcat (tcp, wxT("}"));
660 wxStrcat (tcp, wxFileFunctionsBuffer);
661 }
662
663 // Handle User's home (ignore root homes!)
664 size_t len = 0;
665 if ((val = wxGetUserHome (user)) != NULL &&
666 (len = wxStrlen(val)) > 2 &&
667 wxStrncmp(dest, val, len) == 0)
668 {
669 wxStrcpy(wxFileFunctionsBuffer, wxT("~"));
670 if (user != wxT(""))
671 wxStrcat(wxFileFunctionsBuffer, (const wxChar*) user);
672 #ifdef __WXMSW__
673 // strcat(wxFileFunctionsBuffer, "\\");
674 #else
675 // strcat(wxFileFunctionsBuffer, "/");
676 #endif
677 wxStrcat(wxFileFunctionsBuffer, dest + len);
678 wxStrcpy (dest, wxFileFunctionsBuffer);
679 }
680
681 return dest;
682 }
683
684 // Return just the filename, not the path
685 // (basename)
686 wxChar *wxFileNameFromPath (wxChar *path)
687 {
688 if (path)
689 {
690 register wxChar *tcp;
691
692 tcp = path + wxStrlen (path);
693 while (--tcp >= path)
694 {
695 #if defined(__WXMAC__) && !defined(__DARWIN__)
696 // Classic or Carbon CodeWarrior like
697 // Carbon with Apple DevTools is Unix like
698 if (*tcp == wxT(':'))
699 return tcp + 1;
700 #else
701 // Unix like or Windows
702 if (*tcp == wxT('/') || *tcp == wxT('\\'))
703 return tcp + 1;
704 #endif
705 #ifdef __VMS__
706 if (*tcp == wxT(':') || *tcp == wxT(']'))
707 return tcp + 1;
708 #endif
709 } /* while */
710 #if defined(__WXMSW__) || defined(__WXPM__)
711 // MSDOS like
712 if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
713 return path + 2;
714 #endif
715 }
716 return path;
717 }
718
719 wxString wxFileNameFromPath (const wxString& path1)
720 {
721 if (path1 != wxT(""))
722 {
723 wxChar *path = WXSTRINGCAST path1 ;
724 register wxChar *tcp;
725
726 tcp = path + wxStrlen (path);
727 while (--tcp >= path)
728 {
729 #if defined(__WXMAC__) && !defined(__DARWIN__)
730 // Classic or Carbon CodeWarrior like
731 // Carbon with Apple DevTools is Unix like
732 if (*tcp == wxT(':') )
733 return wxString(tcp + 1);
734 #else
735 // Unix like or Windows
736 if (*tcp == wxT('/') || *tcp == wxT('\\'))
737 return wxString(tcp + 1);
738 #endif
739 #ifdef __VMS__
740 if (*tcp == wxT(':') || *tcp == wxT(']'))
741 return wxString(tcp + 1);
742 #endif
743 } /* while */
744 #if defined(__WXMSW__) || defined(__WXPM__)
745 // MSDOS like
746 if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
747 return wxString(path + 2);
748 #endif
749 }
750 // Yes, this should return the path, not an empty string, otherwise
751 // we get "thing.txt" -> "".
752 return path1;
753 }
754
755 // Return just the directory, or NULL if no directory
756 wxChar *
757 wxPathOnly (wxChar *path)
758 {
759 if (path && *path)
760 {
761 static wxChar buf[_MAXPATHLEN];
762
763 // Local copy
764 wxStrcpy (buf, path);
765
766 int l = wxStrlen(path);
767 int i = l - 1;
768
769 // Search backward for a backward or forward slash
770 while (i > -1)
771 {
772 #if defined(__WXMAC__) && !defined(__DARWIN__)
773 // Classic or Carbon CodeWarrior like
774 // Carbon with Apple DevTools is Unix like
775 if (path[i] == wxT(':') )
776 {
777 buf[i] = 0;
778 return buf;
779 }
780 #else
781 // Unix like or Windows
782 if (path[i] == wxT('/') || path[i] == wxT('\\'))
783 {
784 buf[i] = 0;
785 return buf;
786 }
787 #endif
788 #ifdef __VMS__
789 if (path[i] == wxT(']'))
790 {
791 buf[i+1] = 0;
792 return buf;
793 }
794 #endif
795 i --;
796 }
797
798 #if defined(__WXMSW__) || defined(__WXPM__)
799 // Try Drive specifier
800 if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
801 {
802 // A:junk --> A:. (since A:.\junk Not A:\junk)
803 buf[2] = wxT('.');
804 buf[3] = wxT('\0');
805 return buf;
806 }
807 #endif
808 }
809 return (wxChar *) NULL;
810 }
811
812 // Return just the directory, or NULL if no directory
813 wxString wxPathOnly (const wxString& path)
814 {
815 if (path != wxT(""))
816 {
817 wxChar buf[_MAXPATHLEN];
818
819 // Local copy
820 wxStrcpy (buf, WXSTRINGCAST path);
821
822 int l = path.Length();
823 int i = l - 1;
824
825 // Search backward for a backward or forward slash
826 while (i > -1)
827 {
828 #if defined(__WXMAC__) && !defined(__DARWIN__)
829 // Classic or Carbon CodeWarrior like
830 // Carbon with Apple DevTools is Unix like
831 if (path[i] == wxT(':') )
832 {
833 buf[i] = 0;
834 return wxString(buf);
835 }
836 #else
837 // Unix like or Windows
838 if (path[i] == wxT('/') || path[i] == wxT('\\'))
839 {
840 buf[i] = 0;
841 return wxString(buf);
842 }
843 #endif
844 #ifdef __VMS__
845 if (path[i] == wxT(']'))
846 {
847 buf[i+1] = 0;
848 return wxString(buf);
849 }
850 #endif
851 i --;
852 }
853
854 #if defined(__WXMSW__) || defined(__WXPM__)
855 // Try Drive specifier
856 if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
857 {
858 // A:junk --> A:. (since A:.\junk Not A:\junk)
859 buf[2] = wxT('.');
860 buf[3] = wxT('\0');
861 return wxString(buf);
862 }
863 #endif
864 }
865 return wxString(wxT(""));
866 }
867
868 // Utility for converting delimiters in DOS filenames to UNIX style
869 // and back again - or we get nasty problems with delimiters.
870 // Also, convert to lower case, since case is significant in UNIX.
871
872 #if defined(__WXMAC__)
873 wxString wxMacFSSpec2MacFilename( const FSSpec *spec )
874 {
875 #ifdef __DARWIN__
876 int i;
877 int j;
878 OSErr theErr;
879 OSStatus theStatus;
880 Boolean isDirectory = false;
881 Str255 theParentPath = "\p";
882 FSSpec theParentSpec;
883 FSRef theParentRef;
884 char theFileName[FILENAME_MAX];
885 char thePath[FILENAME_MAX];
886
887 strcpy(thePath, "");
888
889 // GD: Separate file name from path and make a FSRef to the parent
890 // directory. This is necessary since FSRefs cannot reference files
891 // that have not yet been created.
892 // Based on example code from Apple Technical Note TN2022
893 // http://developer.apple.com/technotes/tn/tn2022.html
894
895 // check whether we are converting a directory
896 isDirectory = ((spec->name)[spec->name[0]] == ':');
897 // count length of file name
898 for (i = spec->name[0] - (isDirectory ? 1 : 0); ((spec->name[i] != ':') && (i > 0)); i--);
899 // copy file name
900 // prepend path separator since it will later be appended to the path
901 theFileName[0] = wxFILE_SEP_PATH;
902 for (j = i + 1; j <= spec->name[0] - (isDirectory ? 1 : 0); j++) {
903 theFileName[j - i] = spec->name[j];
904 }
905 theFileName[j - i] = '\0';
906 // copy path if any
907 for (j = 1; j <= i; j++) {
908 theParentPath[++theParentPath[0]] = spec->name[j];
909 }
910 theErr = FSMakeFSSpec(spec->vRefNum, spec->parID, theParentPath, &theParentSpec);
911 if (theErr == noErr) {
912 // convert the FSSpec to an FSRef
913 theErr = FSpMakeFSRef(&theParentSpec, &theParentRef);
914 }
915 if (theErr == noErr) {
916 // get the POSIX path associated with the FSRef
917 theStatus = FSRefMakePath(&theParentRef,
918 (UInt8 *)thePath, sizeof(thePath));
919 }
920 if (theStatus == noErr) {
921 // append file name to path
922 // includes previously prepended path separator
923 strcat(thePath, theFileName);
924 }
925
926 // create path string for return value
927 wxString result( thePath ) ;
928 #else
929 Handle myPath ;
930 short length ;
931
932 // get length of path and allocate handle
933 FSpGetFullPath( spec , &length , &myPath ) ;
934 ::SetHandleSize( myPath , length + 1 ) ;
935 ::HLock( myPath ) ;
936 (*myPath)[length] = 0 ;
937 if ((length > 0) && ((*myPath)[length-1] == ':'))
938 (*myPath)[length-1] = 0 ;
939
940 // create path string for return value
941 wxString result( (char*) *myPath ) ;
942
943 // free allocated handle
944 ::HUnlock( myPath ) ;
945 ::DisposeHandle( myPath ) ;
946 #endif
947
948 return result ;
949 }
950
951 void wxMacFilename2FSSpec( const char *path , FSSpec *spec )
952 {
953 #ifdef __DARWIN__
954 FSRef theRef;
955
956 // get the FSRef associated with the POSIX path
957 (void) FSPathMakeRef((const UInt8 *) path, &theRef, NULL);
958 // convert the FSRef to an FSSpec
959 (void) FSGetCatalogInfo(&theRef, kFSCatInfoNone, NULL, NULL, spec, NULL);
960 #else
961 FSpLocationFromFullPath( strlen(path) , path , spec ) ;
962 #endif
963 }
964
965 #ifndef __DARWIN__
966 // Mac file names are POSIX (Unix style) under Darwin
967 // therefore the conversion functions below are not needed
968
969 static char sMacFileNameConversion[ 1000 ] ;
970
971 wxString wxMac2UnixFilename (const char *str)
972 {
973 char *s = sMacFileNameConversion ;
974 strcpy( s , str ) ;
975 if (s)
976 {
977 memmove( s+1 , s ,strlen( s ) + 1) ;
978 if ( *s == ':' )
979 *s = '.' ;
980 else
981 *s = '/' ;
982
983 while (*s)
984 {
985 if (*s == ':')
986 *s = '/';
987 else
988 *s = wxTolower(*s); // Case INDEPENDENT
989 s++;
990 }
991 }
992 return wxString(sMacFileNameConversion) ;
993 }
994
995 wxString wxUnix2MacFilename (const char *str)
996 {
997 char *s = sMacFileNameConversion ;
998 strcpy( s , str ) ;
999 if (s)
1000 {
1001 if ( *s == '.' )
1002 {
1003 // relative path , since it goes on with slash which is translated to a :
1004 memmove( s , s+1 ,strlen( s ) ) ;
1005 }
1006 else if ( *s == '/' )
1007 {
1008 // absolute path -> on mac just start with the drive name
1009 memmove( s , s+1 ,strlen( s ) ) ;
1010 }
1011 else
1012 {
1013 wxASSERT_MSG( 1 , "unkown path beginning" ) ;
1014 }
1015 while (*s)
1016 {
1017 if (*s == '/' || *s == '\\')
1018 {
1019 // convert any back-directory situations
1020 if ( *(s+1) == '.' && *(s+2) == '.' && ( (*(s+3) == '/' || *(s+3) == '\\') ) )
1021 {
1022 *s = ':';
1023 memmove( s+1 , s+3 ,strlen( s+3 ) + 1 ) ;
1024 }
1025 else
1026 *s = ':';
1027 }
1028 s++ ;
1029 }
1030 }
1031 return wxString (sMacFileNameConversion) ;
1032 }
1033
1034 wxString wxMacFSSpec2UnixFilename( const FSSpec *spec )
1035 {
1036 return wxMac2UnixFilename( wxMacFSSpec2MacFilename( spec) ) ;
1037 }
1038
1039 void wxUnixFilename2FSSpec( const char *path , FSSpec *spec )
1040 {
1041 wxString var = wxUnix2MacFilename( path ) ;
1042 wxMacFilename2FSSpec( var , spec ) ;
1043 }
1044 #endif // ! __DARWIN__
1045
1046 #endif // __WXMAC__
1047
1048 void
1049 wxDos2UnixFilename (char *s)
1050 {
1051 if (s)
1052 while (*s)
1053 {
1054 if (*s == '\\')
1055 *s = '/';
1056 #ifdef __WXMSW__
1057 else
1058 *s = wxTolower (*s); // Case INDEPENDENT
1059 #endif
1060 s++;
1061 }
1062 }
1063
1064 void
1065 #if defined(__WXMSW__) || defined(__WXPM__)
1066 wxUnix2DosFilename (wxChar *s)
1067 #else
1068 wxUnix2DosFilename (wxChar *WXUNUSED(s) )
1069 #endif
1070 {
1071 // Yes, I really mean this to happen under DOS only! JACS
1072 #if defined(__WXMSW__) || defined(__WXPM__)
1073 if (s)
1074 while (*s)
1075 {
1076 if (*s == wxT('/'))
1077 *s = wxT('\\');
1078 s++;
1079 }
1080 #endif
1081 }
1082
1083 // Concatenate two files to form third
1084 bool
1085 wxConcatFiles (const wxString& file1, const wxString& file2, const wxString& file3)
1086 {
1087 wxString outfile;
1088 if ( !wxGetTempFileName("cat", outfile) )
1089 return FALSE;
1090
1091 FILE *fp1 = (FILE *) NULL;
1092 FILE *fp2 = (FILE *) NULL;
1093 FILE *fp3 = (FILE *) NULL;
1094 // Open the inputs and outputs
1095 if ((fp1 = wxFopen (OS_FILENAME( file1 ), wxT("rb"))) == NULL ||
1096 (fp2 = wxFopen (OS_FILENAME( file2 ), wxT("rb"))) == NULL ||
1097 (fp3 = wxFopen (OS_FILENAME( outfile ), wxT("wb"))) == NULL)
1098 {
1099 if (fp1)
1100 fclose (fp1);
1101 if (fp2)
1102 fclose (fp2);
1103 if (fp3)
1104 fclose (fp3);
1105 return FALSE;
1106 }
1107
1108 int ch;
1109 while ((ch = getc (fp1)) != EOF)
1110 (void) putc (ch, fp3);
1111 fclose (fp1);
1112
1113 while ((ch = getc (fp2)) != EOF)
1114 (void) putc (ch, fp3);
1115 fclose (fp2);
1116
1117 fclose (fp3);
1118 bool result = wxRenameFile(outfile, file3);
1119 return result;
1120 }
1121
1122 // Copy files
1123 bool
1124 wxCopyFile (const wxString& file1, const wxString& file2, bool overwrite)
1125 {
1126 #if defined(__WIN32__) && !defined(__WXMICROWIN__)
1127 // CopyFile() copies file attributes and modification time too, so use it
1128 // instead of our code if available
1129 //
1130 // NB: 3rd parameter is bFailIfExists i.e. the inverse of overwrite
1131 if ( !::CopyFile(file1, file2, !overwrite) )
1132 {
1133 wxLogSysError(_("Failed to copy the file '%s' to '%s'"),
1134 file1.c_str(), file2.c_str());
1135
1136 return FALSE;
1137 }
1138 #elif defined(__WXPM__)
1139 if ( ::DosCopy(file2, file2, overwrite ? DCPY_EXISTING : 0) != 0 )
1140 return FALSE;
1141 #else // !Win32
1142 wxStructStat fbuf;
1143
1144 // get permissions of file1
1145 if ( wxStat(OS_FILENAME(file1), &fbuf) != 0 )
1146 {
1147 // the file probably doesn't exist or we haven't the rights to read
1148 // from it anyhow
1149 wxLogSysError(_("Impossible to get permissions for file '%s'"),
1150 file1.c_str());
1151 return FALSE;
1152 }
1153
1154 // open file1 for reading
1155 wxFile fileIn(file1, wxFile::read);
1156 if ( !fileIn.IsOpened() )
1157 return FALSE;
1158
1159 // remove file2, if it exists. This is needed for creating
1160 // file2 with the correct permissions in the next step
1161 if ( wxFileExists(file2) && (!overwrite || !wxRemoveFile(file2)))
1162 {
1163 wxLogSysError(_("Impossible to overwrite the file '%s'"),
1164 file2.c_str());
1165 return FALSE;
1166 }
1167
1168 #ifdef __UNIX__
1169 // reset the umask as we want to create the file with exactly the same
1170 // permissions as the original one
1171 mode_t oldUmask = umask( 0 );
1172 #endif // __UNIX__
1173
1174 // create file2 with the same permissions than file1 and open it for
1175 // writing
1176 wxFile fileOut;
1177 if ( !fileOut.Create(file2, overwrite, fbuf.st_mode & 0777) )
1178 return FALSE;
1179
1180 #ifdef __UNIX__
1181 /// restore the old umask
1182 umask(oldUmask);
1183 #endif // __UNIX__
1184
1185 // copy contents of file1 to file2
1186 char buf[4096];
1187 size_t count;
1188 for ( ;; )
1189 {
1190 count = fileIn.Read(buf, WXSIZEOF(buf));
1191 if ( fileIn.Error() )
1192 return FALSE;
1193
1194 // end of file?
1195 if ( !count )
1196 break;
1197
1198 if ( fileOut.Write(buf, count) < count )
1199 return FALSE;
1200 }
1201
1202 // we can expect fileIn to be closed successfully, but we should ensure
1203 // that fileOut was closed as some write errors (disk full) might not be
1204 // detected before doing this
1205 if ( !fileIn.Close() || !fileOut.Close() )
1206 return FALSE;
1207
1208 #if !defined(__VISAGECPP__) && !defined(__WXMAC__) || defined(__UNIX__)
1209 // no chmod in VA. Should be some permission API for HPFS386 partitions
1210 // however
1211 if ( chmod(OS_FILENAME(file2), fbuf.st_mode) != 0 )
1212 {
1213 wxLogSysError(_("Impossible to set permissions for the file '%s'"),
1214 file2.c_str());
1215 return FALSE;
1216 }
1217 #endif // OS/2 || Mac
1218 #endif // __WXMSW__ && __WIN32__
1219
1220 return TRUE;
1221 }
1222
1223 bool
1224 wxRenameFile (const wxString& file1, const wxString& file2)
1225 {
1226 // Normal system call
1227 if ( wxRename (file1, file2) == 0 )
1228 return TRUE;
1229
1230 // Try to copy
1231 if (wxCopyFile(file1, file2)) {
1232 wxRemoveFile(file1);
1233 return TRUE;
1234 }
1235 // Give up
1236 return FALSE;
1237 }
1238
1239 bool wxRemoveFile(const wxString& file)
1240 {
1241 #if defined(__VISUALC__) \
1242 || defined(__BORLANDC__) \
1243 || defined(__WATCOMC__) \
1244 || defined(__GNUWIN32__)
1245 int res = wxRemove(file);
1246 #else
1247 int res = unlink(OS_FILENAME(file));
1248 #endif
1249
1250 return res == 0;
1251 }
1252
1253 bool wxMkdir(const wxString& dir, int perm)
1254 {
1255 #if defined(__WXMAC__) && !defined(__UNIX__)
1256 return (mkdir( dir , 0 ) == 0);
1257 #else // !Mac
1258 const wxChar *dirname = dir.c_str();
1259
1260 // assume mkdir() has 2 args on non Windows-OS/2 platforms and on Windows too
1261 // for the GNU compiler
1262 #if (!(defined(__WXMSW__) || defined(__WXPM__) || defined(__DOS__))) || (defined(__GNUWIN32__) && !defined(__MINGW32__)) || defined(__WXWINE__) || defined(__WXMICROWIN__)
1263 if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1264 #elif defined(__WXPM__)
1265 if (::DosCreateDir((PSZ)dirname, NULL) != 0) // enhance for EAB's??
1266 #elif defined(__DOS__)
1267 #if defined(__WATCOMC__)
1268 (void)perm;
1269 if ( wxMkDir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
1270 #elif defined(__DJGPP__)
1271 if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1272 #else
1273 #error "Unsupported DOS compiler!"
1274 #endif
1275 #else // !MSW, !DOS and !OS/2 VAC++
1276 (void)perm;
1277 if ( wxMkDir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
1278 #endif // !MSW/MSW
1279 {
1280 wxLogSysError(_("Directory '%s' couldn't be created"), dirname);
1281
1282 return FALSE;
1283 }
1284
1285 return TRUE;
1286 #endif // Mac/!Mac
1287 }
1288
1289 bool wxRmdir(const wxString& dir, int WXUNUSED(flags))
1290 {
1291 #ifdef __VMS__
1292 return FALSE; //to be changed since rmdir exists in VMS7.x
1293 #elif defined(__WXPM__)
1294 return (::DosDeleteDir((PSZ)dir.c_str()) == 0);
1295 #else
1296
1297 #ifdef __SALFORDC__
1298 return FALSE; // What to do?
1299 #else
1300 return (wxRmDir(OS_FILENAME(dir)) == 0);
1301 #endif
1302
1303 #endif
1304 }
1305
1306 // does the path exists? (may have or not '/' or '\\' at the end)
1307 bool wxPathExists(const wxChar *pszPathName)
1308 {
1309 wxString strPath(pszPathName);
1310
1311 #ifdef __WINDOWS__
1312 // Windows fails to find directory named "c:\dir\" even if "c:\dir" exists,
1313 // so remove all trailing backslashes from the path - but don't do this for
1314 // the pathes "d:\" (which are different from "d:") nor for just "\"
1315 while ( wxEndsWithPathSeparator(strPath) )
1316 {
1317 size_t len = strPath.length();
1318 if ( len == 1 || (len == 3 && strPath[len - 2] == _T(':')) )
1319 break;
1320
1321 strPath.Truncate(len - 1);
1322 }
1323 #endif // __WINDOWS__
1324
1325 #if defined(__WIN32__) && !defined(__WXMICROWIN__)
1326 // stat() can't cope with network paths
1327 DWORD ret = ::GetFileAttributes(strPath);
1328
1329 return (ret != (DWORD)-1) && (ret & FILE_ATTRIBUTE_DIRECTORY);
1330 #else // !__WIN32__
1331
1332 wxStructStat st;
1333 #ifndef __VISAGECPP__
1334 return wxStat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 &&
1335 ((st.st_mode & S_IFMT) == S_IFDIR);
1336 #else
1337 // S_IFMT not supported in VA compilers.. st_mode is a 2byte value only
1338 return wxStat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 &&
1339 (st.st_mode == S_IFDIR);
1340 #endif
1341
1342 #endif // __WIN32__/!__WIN32__
1343 }
1344
1345 // Get a temporary filename, opening and closing the file.
1346 wxChar *wxGetTempFileName(const wxString& prefix, wxChar *buf)
1347 {
1348 wxString filename = wxFileName::CreateTempFileName(prefix);
1349 if ( filename.empty() )
1350 return NULL;
1351
1352 if ( buf )
1353 wxStrcpy(buf, filename);
1354 else
1355 buf = copystring(filename);
1356
1357 return buf;
1358 }
1359
1360 bool wxGetTempFileName(const wxString& prefix, wxString& buf)
1361 {
1362 buf = wxFileName::CreateTempFileName(prefix);
1363
1364 return !buf.empty();
1365 }
1366
1367 // Get first file name matching given wild card.
1368
1369 static wxDir *gs_dir = NULL;
1370 static wxString gs_dirPath;
1371
1372 wxString wxFindFirstFile(const wxChar *spec, int flags)
1373 {
1374 gs_dirPath = wxPathOnly(spec);
1375 if ( gs_dirPath.IsEmpty() )
1376 gs_dirPath = wxT(".");
1377 if ( gs_dirPath.Last() != wxFILE_SEP_PATH )
1378 gs_dirPath << wxFILE_SEP_PATH;
1379
1380 if (gs_dir)
1381 delete gs_dir;
1382 gs_dir = new wxDir(gs_dirPath);
1383
1384 if ( !gs_dir->IsOpened() )
1385 {
1386 wxLogSysError(_("Can not enumerate files '%s'"), spec);
1387 return wxEmptyString;
1388 }
1389
1390 int dirFlags = 0;
1391 switch (flags)
1392 {
1393 case wxDIR: dirFlags = wxDIR_DIRS; break;
1394 case wxFILE: dirFlags = wxDIR_FILES; break;
1395 default: dirFlags = wxDIR_DIRS | wxDIR_FILES; break;
1396 }
1397
1398 wxString result;
1399 gs_dir->GetFirst(&result, wxFileNameFromPath(spec), dirFlags);
1400 if ( result.IsEmpty() )
1401 {
1402 wxDELETE(gs_dir);
1403 return result;
1404 }
1405
1406 return gs_dirPath + result;
1407 }
1408
1409 wxString wxFindNextFile()
1410 {
1411 wxASSERT_MSG( gs_dir, wxT("You must call wxFindFirstFile before!") );
1412
1413 wxString result;
1414 gs_dir->GetNext(&result);
1415
1416 if ( result.IsEmpty() )
1417 {
1418 wxDELETE(gs_dir);
1419 return result;
1420 }
1421
1422 return gs_dirPath + result;
1423 }
1424
1425
1426 // Get current working directory.
1427 // If buf is NULL, allocates space using new, else
1428 // copies into buf.
1429 wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
1430 {
1431 if ( !buf )
1432 {
1433 buf = new wxChar[sz + 1];
1434 }
1435
1436 bool ok = FALSE;
1437
1438 // for the compilers which have Unicode version of _getcwd(), call it
1439 // directly, for the others call the ANSI version and do the translation
1440 #if !wxUSE_UNICODE
1441 #define cbuf buf
1442 #else // wxUSE_UNICODE
1443 bool needsANSI = TRUE;
1444
1445 #if !defined(HAVE_WGETCWD) || wxUSE_UNICODE_MSLU
1446 wxCharBuffer c_buffer(sz);
1447 char *cbuf = (char*)(const char*)c_buffer;
1448 #endif
1449
1450 #ifdef HAVE_WGETCWD
1451 #if wxUSE_UNICODE_MSLU
1452 if ( wxGetOsVersion() != wxWIN95 )
1453 #else
1454 char *cbuf = NULL; // never really used because needsANSI will always be FALSE
1455 #endif
1456 {
1457 ok = _wgetcwd(buf, sz) != NULL;
1458 needsANSI = FALSE;
1459 }
1460 #endif
1461
1462 if ( needsANSI )
1463 #endif // wxUSE_UNICODE
1464 {
1465 #ifdef _MSC_VER
1466 ok = _getcwd(cbuf, sz) != NULL;
1467 #elif defined(__WXMAC__) && !defined(__DARWIN__)
1468 FSSpec cwdSpec ;
1469 FCBPBRec pb;
1470 OSErr error;
1471 Str255 fileName ;
1472 pb.ioNamePtr = (StringPtr) &fileName;
1473 pb.ioVRefNum = 0;
1474 pb.ioRefNum = LMGetCurApRefNum();
1475 pb.ioFCBIndx = 0;
1476 error = PBGetFCBInfoSync(&pb);
1477 if ( error == noErr )
1478 {
1479 cwdSpec.vRefNum = pb.ioFCBVRefNum;
1480 cwdSpec.parID = pb.ioFCBParID;
1481 cwdSpec.name[0] = 0 ;
1482 wxString res = wxMacFSSpec2MacFilename( &cwdSpec ) ;
1483
1484 strcpy( cbuf , res ) ;
1485 cbuf[res.length()]=0 ;
1486
1487 ok = TRUE;
1488 }
1489 else
1490 {
1491 ok = FALSE;
1492 }
1493 #elif defined(__VISAGECPP__) || (defined (__OS2__) && defined (__WATCOMC__))
1494 APIRET rc;
1495 rc = ::DosQueryCurrentDir( 0 // current drive
1496 ,cbuf
1497 ,(PULONG)&sz
1498 );
1499 ok = rc != 0;
1500 #else // !Win32/VC++ !Mac !OS2
1501 ok = getcwd(cbuf, sz) != NULL;
1502 #endif // platform
1503
1504 #if wxUSE_UNICODE
1505 // finally convert the result to Unicode if needed
1506 wxConvFile.MB2WC(buf, cbuf, sz);
1507 #endif // wxUSE_UNICODE
1508 }
1509
1510 if ( !ok )
1511 {
1512 wxLogSysError(_("Failed to get the working directory"));
1513
1514 // VZ: the old code used to return "." on error which didn't make any
1515 // sense at all to me - empty string is a better error indicator
1516 // (NULL might be even better but I'm afraid this could lead to
1517 // problems with the old code assuming the return is never NULL)
1518 buf[0] = _T('\0');
1519 }
1520 else // ok, but we might need to massage the path into the right format
1521 {
1522 #ifdef __DJGPP__
1523 // VS: DJGPP is a strange mix of DOS and UNIX API and returns paths
1524 // with / deliminers. We don't like that.
1525 for (wxChar *ch = buf; *ch; ch++)
1526 {
1527 if (*ch == wxT('/'))
1528 *ch = wxT('\\');
1529 }
1530 #endif // __DJGPP__
1531
1532 #ifdef __CYGWIN__
1533 // another example of DOS/Unix mix (Cygwin)
1534 wxString pathUnix = buf;
1535 cygwin_conv_to_full_win32_path(pathUnix, buf);
1536 #endif // __CYGWIN__
1537 }
1538
1539 return buf;
1540
1541 #if !wxUSE_UNICODE
1542 #undef cbuf
1543 #endif
1544 }
1545
1546 wxString wxGetCwd()
1547 {
1548 wxString str;
1549
1550 // we can't create wxStringBuffer object inline: Sun CC generates buggy
1551 // code in this case!
1552 {
1553 wxStringBuffer buf(str, _MAXPATHLEN);
1554 wxGetWorkingDirectory(buf, _MAXPATHLEN);
1555 }
1556
1557 return str;
1558 }
1559
1560 bool wxSetWorkingDirectory(const wxString& d)
1561 {
1562 #if defined(__UNIX__) || defined(__WXMAC__) || defined(__DOS__)
1563 return (chdir(wxFNSTRINGCAST d.fn_str()) == 0);
1564 #elif defined(__WXPM__)
1565 return (::DosSetCurrentDir((PSZ)d.c_str()) == 0);
1566 #elif defined(__WINDOWS__)
1567
1568 #ifdef __WIN32__
1569 return (bool)(SetCurrentDirectory(d) != 0);
1570 #else
1571 // Must change drive, too.
1572 bool isDriveSpec = ((strlen(d) > 1) && (d[1] == ':'));
1573 if (isDriveSpec)
1574 {
1575 wxChar firstChar = d[0];
1576
1577 // To upper case
1578 if (firstChar > 90)
1579 firstChar = firstChar - 32;
1580
1581 // To a drive number
1582 unsigned int driveNo = firstChar - 64;
1583 if (driveNo > 0)
1584 {
1585 unsigned int noDrives;
1586 _dos_setdrive(driveNo, &noDrives);
1587 }
1588 }
1589 bool success = (chdir(WXSTRINGCAST d) == 0);
1590
1591 return success;
1592 #endif
1593
1594 #endif
1595 }
1596
1597 // Get the OS directory if appropriate (such as the Windows directory).
1598 // On non-Windows platform, probably just return the empty string.
1599 wxString wxGetOSDirectory()
1600 {
1601 #if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
1602 wxChar buf[256];
1603 GetWindowsDirectory(buf, 256);
1604 return wxString(buf);
1605 #else
1606 return wxEmptyString;
1607 #endif
1608 }
1609
1610 bool wxEndsWithPathSeparator(const wxChar *pszFileName)
1611 {
1612 size_t len = wxStrlen(pszFileName);
1613
1614 return len && wxIsPathSeparator(pszFileName[len - 1]);
1615 }
1616
1617 // find a file in a list of directories, returns false if not found
1618 bool wxFindFileInPath(wxString *pStr, const wxChar *pszPath, const wxChar *pszFile)
1619 {
1620 // we assume that it's not empty
1621 wxCHECK_MSG( !wxIsEmpty(pszFile), FALSE,
1622 _T("empty file name in wxFindFileInPath"));
1623
1624 // skip path separator in the beginning of the file name if present
1625 if ( wxIsPathSeparator(*pszFile) )
1626 pszFile++;
1627
1628 // copy the path (strtok will modify it)
1629 wxChar *szPath = new wxChar[wxStrlen(pszPath) + 1];
1630 wxStrcpy(szPath, pszPath);
1631
1632 wxString strFile;
1633 wxChar *pc, *save_ptr;
1634 for ( pc = wxStrtok(szPath, wxPATH_SEP, &save_ptr);
1635 pc != NULL;
1636 pc = wxStrtok((wxChar *) NULL, wxPATH_SEP, &save_ptr) )
1637 {
1638 // search for the file in this directory
1639 strFile = pc;
1640 if ( !wxEndsWithPathSeparator(pc) )
1641 strFile += wxFILE_SEP_PATH;
1642 strFile += pszFile;
1643
1644 if ( FileExists(strFile) ) {
1645 *pStr = strFile;
1646 break;
1647 }
1648 }
1649
1650 // suppress warning about unused variable save_ptr when wxStrtok() is a
1651 // macro which throws away its third argument
1652 save_ptr = pc;
1653
1654 delete [] szPath;
1655
1656 return pc != NULL; // if true => we breaked from the loop
1657 }
1658
1659 void WXDLLEXPORT wxSplitPath(const wxChar *pszFileName,
1660 wxString *pstrPath,
1661 wxString *pstrName,
1662 wxString *pstrExt)
1663 {
1664 // it can be empty, but it shouldn't be NULL
1665 wxCHECK_RET( pszFileName, wxT("NULL file name in wxSplitPath") );
1666
1667 wxFileName::SplitPath(pszFileName, pstrPath, pstrName, pstrExt);
1668 }
1669
1670 time_t WXDLLEXPORT wxFileModificationTime(const wxString& filename)
1671 {
1672 wxStructStat buf;
1673
1674 wxStat(filename.fn_str(), &buf);
1675 return buf.st_mtime;
1676 }
1677
1678
1679 //------------------------------------------------------------------------
1680 // wild character routines
1681 //------------------------------------------------------------------------
1682
1683 bool wxIsWild( const wxString& pattern )
1684 {
1685 wxString tmp = pattern;
1686 wxChar *pat = WXSTRINGCAST(tmp);
1687 while (*pat) {
1688 switch (*pat++) {
1689 case wxT('?'): case wxT('*'): case wxT('['): case wxT('{'):
1690 return TRUE;
1691 case wxT('\\'):
1692 if (!*pat++)
1693 return FALSE;
1694 }
1695 }
1696 return FALSE;
1697 };
1698
1699 bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
1700
1701 #if defined(HAVE_FNMATCH_H)
1702 {
1703 // this probably won't work well for multibyte chars in Unicode mode?
1704 if(dot_special)
1705 return fnmatch(pat.fn_str(), text.fn_str(), FNM_PERIOD) == 0;
1706 else
1707 return fnmatch(pat.fn_str(), text.fn_str(), 0) == 0;
1708 }
1709 #else
1710
1711 // #pragma error Broken implementation of wxMatchWild() -- needs fixing!
1712
1713 /*
1714 * WARNING: this code is broken!
1715 */
1716 {
1717 wxString tmp1 = pat;
1718 wxChar *pattern = WXSTRINGCAST(tmp1);
1719 wxString tmp2 = text;
1720 wxChar *str = WXSTRINGCAST(tmp2);
1721 wxChar c;
1722 wxChar *cp;
1723 bool done = FALSE, ret_code, ok;
1724 // Below is for vi fans
1725 const wxChar OB = wxT('{'), CB = wxT('}');
1726
1727 // dot_special means '.' only matches '.'
1728 if (dot_special && *str == wxT('.') && *pattern != *str)
1729 return FALSE;
1730
1731 while ((*pattern != wxT('\0')) && (!done)
1732 && (((*str==wxT('\0'))&&((*pattern==OB)||(*pattern==wxT('*'))))||(*str!=wxT('\0')))) {
1733 switch (*pattern) {
1734 case wxT('\\'):
1735 pattern++;
1736 if (*pattern != wxT('\0'))
1737 pattern++;
1738 break;
1739 case wxT('*'):
1740 pattern++;
1741 ret_code = FALSE;
1742 while ((*str!=wxT('\0'))
1743 && ((ret_code=wxMatchWild(pattern, str++, FALSE)) == 0))
1744 /*loop*/;
1745 if (ret_code) {
1746 while (*str != wxT('\0'))
1747 str++;
1748 while (*pattern != wxT('\0'))
1749 pattern++;
1750 }
1751 break;
1752 case wxT('['):
1753 pattern++;
1754 repeat:
1755 if ((*pattern == wxT('\0')) || (*pattern == wxT(']'))) {
1756 done = TRUE;
1757 break;
1758 }
1759 if (*pattern == wxT('\\')) {
1760 pattern++;
1761 if (*pattern == wxT('\0')) {
1762 done = TRUE;
1763 break;
1764 }
1765 }
1766 if (*(pattern + 1) == wxT('-')) {
1767 c = *pattern;
1768 pattern += 2;
1769 if (*pattern == wxT(']')) {
1770 done = TRUE;
1771 break;
1772 }
1773 if (*pattern == wxT('\\')) {
1774 pattern++;
1775 if (*pattern == wxT('\0')) {
1776 done = TRUE;
1777 break;
1778 }
1779 }
1780 if ((*str < c) || (*str > *pattern)) {
1781 pattern++;
1782 goto repeat;
1783 }
1784 } else if (*pattern != *str) {
1785 pattern++;
1786 goto repeat;
1787 }
1788 pattern++;
1789 while ((*pattern != wxT(']')) && (*pattern != wxT('\0'))) {
1790 if ((*pattern == wxT('\\')) && (*(pattern + 1) != wxT('\0')))
1791 pattern++;
1792 pattern++;
1793 }
1794 if (*pattern != wxT('\0')) {
1795 pattern++, str++;
1796 }
1797 break;
1798 case wxT('?'):
1799 pattern++;
1800 str++;
1801 break;
1802 case OB:
1803 pattern++;
1804 while ((*pattern != CB) && (*pattern != wxT('\0'))) {
1805 cp = str;
1806 ok = TRUE;
1807 while (ok && (*cp != wxT('\0')) && (*pattern != wxT('\0'))
1808 && (*pattern != wxT(',')) && (*pattern != CB)) {
1809 if (*pattern == wxT('\\'))
1810 pattern++;
1811 ok = (*pattern++ == *cp++);
1812 }
1813 if (*pattern == wxT('\0')) {
1814 ok = FALSE;
1815 done = TRUE;
1816 break;
1817 } else if (ok) {
1818 str = cp;
1819 while ((*pattern != CB) && (*pattern != wxT('\0'))) {
1820 if (*++pattern == wxT('\\')) {
1821 if (*++pattern == CB)
1822 pattern++;
1823 }
1824 }
1825 } else {
1826 while (*pattern!=CB && *pattern!=wxT(',') && *pattern!=wxT('\0')) {
1827 if (*++pattern == wxT('\\')) {
1828 if (*++pattern == CB || *pattern == wxT(','))
1829 pattern++;
1830 }
1831 }
1832 }
1833 if (*pattern != wxT('\0'))
1834 pattern++;
1835 }
1836 break;
1837 default:
1838 if (*str == *pattern) {
1839 str++, pattern++;
1840 } else {
1841 done = TRUE;
1842 }
1843 }
1844 }
1845 while (*pattern == wxT('*'))
1846 pattern++;
1847 return ((*str == wxT('\0')) && (*pattern == wxT('\0')));
1848 };
1849
1850 #endif
1851
1852 #ifdef __VISUALC__
1853 #pragma warning(default:4706) // assignment within conditional expression
1854 #endif // VC++
wxWidgets (Impactor)