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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
118 // sys/cygwin.h is needed for cygwin_conv_to_full_win32_path()
119 //
120 // note that it must be included after <windows.h>
121 #ifdef __GNUWIN32__
122 #ifdef __CYGWIN__
123 #include <sys/cygwin.h>
124 #endif
125 #include <wchar.h>
126 #ifndef __TWIN32__
127 #include <sys/unistd.h>
128 #endif
129 #endif // __GNUWIN32__
130 #endif // __WINDOWS__
131
132 // TODO: Borland probably has _wgetcwd as well?
133 #ifdef _MSC_VER
134 #define HAVE_WGETCWD
135 #endif
136
137 // ----------------------------------------------------------------------------
138 // constants
139 // ----------------------------------------------------------------------------
140
141 #ifndef _MAXPATHLEN
142 #define _MAXPATHLEN 1024
143 #endif
144
145 extern wxChar *wxBuffer;
146
147 #ifdef __WXMAC__
148 # include "MoreFiles.h"
149 # include "MoreFilesExtras.h"
150 # include "FullPath.h"
151 # include "FSpCompat.h"
152 #endif
153
154 IMPLEMENT_DYNAMIC_CLASS(wxPathList, wxStringList)
155
156 // ----------------------------------------------------------------------------
157 // private globals
158 // ----------------------------------------------------------------------------
159
160 static wxChar wxFileFunctionsBuffer[4*_MAXPATHLEN];
161
162 #if defined(__VISAGECPP__) && __IBMCPP__ >= 400
163 //
164 // VisualAge C++ V4.0 cannot have any external linkage const decs
165 // in headers included by more than one primary source
166 //
167 const off_t wxInvalidOffset = (off_t)-1;
168 #endif
169
170 // ----------------------------------------------------------------------------
171 // macros
172 // ----------------------------------------------------------------------------
173
174 // we need to translate Mac filenames before passing them to OS functions
175 #define OS_FILENAME(s) (s.fn_str())
176
177 // ============================================================================
178 // implementation
179 // ============================================================================
180
181 void wxPathList::Add (const wxString& path)
182 {
183 wxStringList::Add (WXSTRINGCAST path);
184 }
185
186 // Add paths e.g. from the PATH environment variable
187 void wxPathList::AddEnvList (const wxString& envVariable)
188 {
189 static const wxChar PATH_TOKS[] =
190 #ifdef __WINDOWS__
191 wxT(" ;"); // Don't seperate with colon in DOS (used for drive)
192 #else
193 wxT(" :;");
194 #endif
195
196 wxChar *val = wxGetenv (WXSTRINGCAST envVariable);
197 if (val && *val)
198 {
199 wxChar *s = copystring (val);
200 wxChar *save_ptr, *token = wxStrtok (s, PATH_TOKS, &save_ptr);
201
202 if (token)
203 {
204 Add (copystring (token));
205 while (token)
206 {
207 if ((token = wxStrtok ((wxChar *) NULL, PATH_TOKS, &save_ptr)) != NULL)
208 Add (wxString(token));
209 }
210 }
211
212 // suppress warning about unused variable save_ptr when wxStrtok() is a
213 // macro which throws away its third argument
214 save_ptr = token;
215
216 delete [] s;
217 }
218 }
219
220 // Given a full filename (with path), ensure that that file can
221 // be accessed again USING FILENAME ONLY by adding the path
222 // to the list if not already there.
223 void wxPathList::EnsureFileAccessible (const wxString& path)
224 {
225 wxString path_only(wxPathOnly(path));
226 if ( !path_only.IsEmpty() )
227 {
228 if ( !Member(path_only) )
229 Add(path_only);
230 }
231 }
232
233 bool wxPathList::Member (const wxString& path)
234 {
235 for (wxNode * node = First (); node != NULL; node = node->Next ())
236 {
237 wxString path2((wxChar *) node->Data ());
238 if (
239 #if defined(__WINDOWS__) || defined(__VMS__) || defined (__WXMAC__)
240 // Case INDEPENDENT
241 path.CompareTo (path2, wxString::ignoreCase) == 0
242 #else
243 // Case sensitive File System
244 path.CompareTo (path2) == 0
245 #endif
246 )
247 return TRUE;
248 }
249 return FALSE;
250 }
251
252 wxString wxPathList::FindValidPath (const wxString& file)
253 {
254 if (wxFileExists (wxExpandPath(wxFileFunctionsBuffer, file)))
255 return wxString(wxFileFunctionsBuffer);
256
257 wxChar buf[_MAXPATHLEN];
258 wxStrcpy(buf, wxFileFunctionsBuffer);
259
260 wxChar *filename = (wxChar*) NULL; /* shut up buggy egcs warning */
261 filename = IsAbsolutePath (buf) ? wxFileNameFromPath (buf) : (wxChar *)buf;
262
263 for (wxNode * node = First (); node; node = node->Next ())
264 {
265 wxChar *path = (wxChar *) node->Data ();
266 wxStrcpy (wxFileFunctionsBuffer, path);
267 wxChar ch = wxFileFunctionsBuffer[wxStrlen(wxFileFunctionsBuffer)-1];
268 if (ch != wxT('\\') && ch != wxT('/'))
269 wxStrcat (wxFileFunctionsBuffer, wxT("/"));
270 wxStrcat (wxFileFunctionsBuffer, filename);
271 #ifdef __WINDOWS__
272 Unix2DosFilename (wxFileFunctionsBuffer);
273 #endif
274 if (wxFileExists (wxFileFunctionsBuffer))
275 {
276 return wxString(wxFileFunctionsBuffer); // Found!
277 }
278 } // for()
279
280 return wxString(wxT("")); // Not found
281 }
282
283 wxString wxPathList::FindAbsoluteValidPath (const wxString& file)
284 {
285 wxString f = FindValidPath(file);
286 if ( wxIsAbsolutePath(f) )
287 return f;
288
289 wxString buf;
290 wxGetWorkingDirectory(wxStringBuffer(buf, _MAXPATHLEN), _MAXPATHLEN);
291
292 if ( !wxEndsWithPathSeparator(buf) )
293 {
294 buf += wxFILE_SEP_PATH;
295 }
296 buf += f;
297
298 return buf;
299 }
300
301 bool
302 wxFileExists (const wxString& filename)
303 {
304 #if defined(__WIN32__) && !defined(__WXMICROWIN__)
305 // GetFileAttributes can copy with network paths unlike stat()
306 DWORD ret = ::GetFileAttributes(filename);
307
308 return (ret != (DWORD)-1) && !(ret & FILE_ATTRIBUTE_DIRECTORY);
309 #else
310 wxStructStat stbuf;
311 if ( !filename.empty() && wxStat (OS_FILENAME(filename), &stbuf) == 0 )
312 return TRUE;
313
314 return FALSE;
315 #endif
316 }
317
318 bool
319 wxIsAbsolutePath (const wxString& filename)
320 {
321 if (filename != wxT(""))
322 {
323 #if defined(__WXMAC__) && !defined(__DARWIN__)
324 // Classic or Carbon CodeWarrior like
325 // Carbon with Apple DevTools is Unix like
326
327 // This seems wrong to me, but there is no fix. since
328 // "MacOS:MyText.txt" is absolute whereas "MyDir:MyText.txt"
329 // is not. Or maybe ":MyDir:MyText.txt" has to be used? RR.
330 if (filename.Find(':') != wxNOT_FOUND && filename[0] != ':')
331 return TRUE ;
332 #else
333 // Unix like or Windows
334 if (filename[0] == wxT('/'))
335 return TRUE;
336 #endif
337 #ifdef __VMS__
338 if ((filename[0] == wxT('[') && filename[1] != wxT('.')))
339 return TRUE;
340 #endif
341 #ifdef __WINDOWS__
342 // MSDOS like
343 if (filename[0] == wxT('\\') || (wxIsalpha (filename[0]) && filename[1] == wxT(':')))
344 return TRUE;
345 #endif
346 }
347 return FALSE ;
348 }
349
350 /*
351 * Strip off any extension (dot something) from end of file,
352 * IF one exists. Inserts zero into buffer.
353 *
354 */
355
356 void wxStripExtension(wxChar *buffer)
357 {
358 int len = wxStrlen(buffer);
359 int i = len-1;
360 while (i > 0)
361 {
362 if (buffer[i] == wxT('.'))
363 {
364 buffer[i] = 0;
365 break;
366 }
367 i --;
368 }
369 }
370
371 void wxStripExtension(wxString& buffer)
372 {
373 size_t len = buffer.Length();
374 size_t i = len-1;
375 while (i > 0)
376 {
377 if (buffer.GetChar(i) == wxT('.'))
378 {
379 buffer = buffer.Left(i);
380 break;
381 }
382 i --;
383 }
384 }
385
386 // Destructive removal of /./ and /../ stuff
387 wxChar *wxRealPath (wxChar *path)
388 {
389 #ifdef __WXMSW__
390 static const wxChar SEP = wxT('\\');
391 Unix2DosFilename(path);
392 #else
393 static const wxChar SEP = wxT('/');
394 #endif
395 if (path[0] && path[1]) {
396 /* MATTHEW: special case "/./x" */
397 wxChar *p;
398 if (path[2] == SEP && path[1] == wxT('.'))
399 p = &path[0];
400 else
401 p = &path[2];
402 for (; *p; p++)
403 {
404 if (*p == SEP)
405 {
406 if (p[1] == wxT('.') && p[2] == wxT('.') && (p[3] == SEP || p[3] == wxT('\0')))
407 {
408 wxChar *q;
409 for (q = p - 1; q >= path && *q != SEP; q--);
410 if (q[0] == SEP && (q[1] != wxT('.') || q[2] != wxT('.') || q[3] != SEP)
411 && (q - 1 <= path || q[-1] != SEP))
412 {
413 wxStrcpy (q, p + 3);
414 if (path[0] == wxT('\0'))
415 {
416 path[0] = SEP;
417 path[1] = wxT('\0');
418 }
419 #ifdef __WXMSW__
420 /* Check that path[2] is NULL! */
421 else if (path[1] == wxT(':') && !path[2])
422 {
423 path[2] = SEP;
424 path[3] = wxT('\0');
425 }
426 #endif
427 p = q - 1;
428 }
429 }
430 else if (p[1] == wxT('.') && (p[2] == SEP || p[2] == wxT('\0')))
431 wxStrcpy (p, p + 2);
432 }
433 }
434 }
435 return path;
436 }
437
438 // Must be destroyed
439 wxChar *wxCopyAbsolutePath(const wxString& filename)
440 {
441 if (filename == wxT(""))
442 return (wxChar *) NULL;
443
444 if (! IsAbsolutePath(wxExpandPath(wxFileFunctionsBuffer, filename))) {
445 wxChar buf[_MAXPATHLEN];
446 buf[0] = wxT('\0');
447 wxGetWorkingDirectory(buf, WXSIZEOF(buf));
448 wxChar ch = buf[wxStrlen(buf) - 1];
449 #ifdef __WXMSW__
450 if (ch != wxT('\\') && ch != wxT('/'))
451 wxStrcat(buf, wxT("\\"));
452 #else
453 if (ch != wxT('/'))
454 wxStrcat(buf, wxT("/"));
455 #endif
456 wxStrcat(buf, wxFileFunctionsBuffer);
457 return copystring( wxRealPath(buf) );
458 }
459 return copystring( wxFileFunctionsBuffer );
460 }
461
462 /*-
463 Handles:
464 ~/ => home dir
465 ~user/ => user's home dir
466 If the environment variable a = "foo" and b = "bar" then:
467 Unix:
468 $a => foo
469 $a$b => foobar
470 $a.c => foo.c
471 xxx$a => xxxfoo
472 ${a}! => foo!
473 $(b)! => bar!
474 \$a => \$a
475 MSDOS:
476 $a ==> $a
477 $(a) ==> foo
478 $(a)$b ==> foo$b
479 $(a)$(b)==> foobar
480 test.$$ ==> test.$$
481 */
482
483 /* input name in name, pathname output to buf. */
484
485 wxChar *wxExpandPath(wxChar *buf, const wxChar *name)
486 {
487 register wxChar *d, *s, *nm;
488 wxChar lnm[_MAXPATHLEN];
489 int q;
490
491 // Some compilers don't like this line.
492 // const wxChar trimchars[] = wxT("\n \t");
493
494 wxChar trimchars[4];
495 trimchars[0] = wxT('\n');
496 trimchars[1] = wxT(' ');
497 trimchars[2] = wxT('\t');
498 trimchars[3] = 0;
499
500 #ifdef __WXMSW__
501 const wxChar SEP = wxT('\\');
502 #else
503 const wxChar SEP = wxT('/');
504 #endif
505 buf[0] = wxT('\0');
506 if (name == NULL || *name == wxT('\0'))
507 return buf;
508 nm = copystring(name); // Make a scratch copy
509 wxChar *nm_tmp = nm;
510
511 /* Skip leading whitespace and cr */
512 while (wxStrchr((wxChar *)trimchars, *nm) != NULL)
513 nm++;
514 /* And strip off trailing whitespace and cr */
515 s = nm + (q = wxStrlen(nm)) - 1;
516 while (q-- && wxStrchr((wxChar *)trimchars, *s) != NULL)
517 *s = wxT('\0');
518
519 s = nm;
520 d = lnm;
521 #ifdef __WXMSW__
522 q = FALSE;
523 #else
524 q = nm[0] == wxT('\\') && nm[1] == wxT('~');
525 #endif
526
527 /* Expand inline environment variables */
528 #ifdef __VISAGECPP__
529 while (*d)
530 {
531 *d++ = *s;
532 if(*s == wxT('\\'))
533 {
534 *(d - 1) = *++s;
535 if (*d)
536 {
537 s++;
538 continue;
539 }
540 else
541 break;
542 }
543 else
544 #else
545 while ((*d++ = *s) != 0) {
546 # ifndef __WXMSW__
547 if (*s == wxT('\\')) {
548 if ((*(d - 1) = *++s)) {
549 s++;
550 continue;
551 } else
552 break;
553 } else
554 # endif
555 #endif
556 #ifdef __WXMSW__
557 if (*s++ == wxT('$') && (*s == wxT('{') || *s == wxT(')')))
558 #else
559 if (*s++ == wxT('$'))
560 #endif
561 {
562 register wxChar *start = d;
563 register int braces = (*s == wxT('{') || *s == wxT('('));
564 register wxChar *value;
565 while ((*d++ = *s) != 0)
566 if (braces ? (*s == wxT('}') || *s == wxT(')')) : !(wxIsalnum(*s) || *s == wxT('_')) )
567 break;
568 else
569 s++;
570 *--d = 0;
571 value = wxGetenv(braces ? start + 1 : start);
572 if (value) {
573 for ((d = start - 1); (*d++ = *value++) != 0;);
574 d--;
575 if (braces && *s)
576 s++;
577 }
578 }
579 }
580
581 /* Expand ~ and ~user */
582 nm = lnm;
583 if (nm[0] == wxT('~') && !q)
584 {
585 /* prefix ~ */
586 if (nm[1] == SEP || nm[1] == 0)
587 { /* ~/filename */
588 // FIXME: wxGetUserHome could return temporary storage in Unicode mode
589 if ((s = WXSTRINGCAST wxGetUserHome(wxT(""))) != NULL) {
590 if (*++nm)
591 nm++;
592 }
593 } else
594 { /* ~user/filename */
595 register wxChar *nnm;
596 register wxChar *home;
597 for (s = nm; *s && *s != SEP; s++);
598 int was_sep; /* MATTHEW: Was there a separator, or NULL? */
599 was_sep = (*s == SEP);
600 nnm = *s ? s + 1 : s;
601 *s = 0;
602 // FIXME: wxGetUserHome could return temporary storage in Unicode mode
603 if ((home = WXSTRINGCAST wxGetUserHome(wxString(nm + 1))) == NULL) {
604 if (was_sep) /* replace only if it was there: */
605 *s = SEP;
606 s = NULL;
607 } else {
608 nm = nnm;
609 s = home;
610 }
611 }
612 }
613
614 d = buf;
615 if (s && *s) { /* MATTHEW: s could be NULL if user '~' didn't exist */
616 /* Copy home dir */
617 while (wxT('\0') != (*d++ = *s++))
618 /* loop */;
619 // Handle root home
620 if (d - 1 > buf && *(d - 2) != SEP)
621 *(d - 1) = SEP;
622 }
623 s = nm;
624 while ((*d++ = *s++) != 0);
625 delete[] nm_tmp; // clean up alloc
626 /* Now clean up the buffer */
627 return wxRealPath(buf);
628 }
629
630 /* Contract Paths to be build upon an environment variable
631 component:
632
633 example: "/usr/openwin/lib", OPENWINHOME --> ${OPENWINHOME}/lib
634
635 The call wxExpandPath can convert these back!
636 */
637 wxChar *
638 wxContractPath (const wxString& filename, const wxString& envname, const wxString& user)
639 {
640 static wxChar dest[_MAXPATHLEN];
641
642 if (filename == wxT(""))
643 return (wxChar *) NULL;
644
645 wxStrcpy (dest, WXSTRINGCAST filename);
646 #ifdef __WXMSW__
647 Unix2DosFilename(dest);
648 #endif
649
650 // Handle environment
651 const wxChar *val = (const wxChar *) NULL;
652 wxChar *tcp = (wxChar *) NULL;
653 if (envname != WXSTRINGCAST NULL && (val = wxGetenv (WXSTRINGCAST envname)) != NULL &&
654 (tcp = wxStrstr (dest, val)) != NULL)
655 {
656 wxStrcpy (wxFileFunctionsBuffer, tcp + wxStrlen (val));
657 *tcp++ = wxT('$');
658 *tcp++ = wxT('{');
659 wxStrcpy (tcp, WXSTRINGCAST envname);
660 wxStrcat (tcp, wxT("}"));
661 wxStrcat (tcp, wxFileFunctionsBuffer);
662 }
663
664 // Handle User's home (ignore root homes!)
665 size_t len = 0;
666 if ((val = wxGetUserHome (user)) != NULL &&
667 (len = wxStrlen(val)) > 2 &&
668 wxStrncmp(dest, val, len) == 0)
669 {
670 wxStrcpy(wxFileFunctionsBuffer, wxT("~"));
671 if (user != wxT(""))
672 wxStrcat(wxFileFunctionsBuffer, (const wxChar*) user);
673 #ifdef __WXMSW__
674 // strcat(wxFileFunctionsBuffer, "\\");
675 #else
676 // strcat(wxFileFunctionsBuffer, "/");
677 #endif
678 wxStrcat(wxFileFunctionsBuffer, dest + len);
679 wxStrcpy (dest, wxFileFunctionsBuffer);
680 }
681
682 return dest;
683 }
684
685 // Return just the filename, not the path
686 // (basename)
687 wxChar *wxFileNameFromPath (wxChar *path)
688 {
689 if (path)
690 {
691 register wxChar *tcp;
692
693 tcp = path + wxStrlen (path);
694 while (--tcp >= path)
695 {
696 #if defined(__WXMAC__) && !defined(__DARWIN__)
697 // Classic or Carbon CodeWarrior like
698 // Carbon with Apple DevTools is Unix like
699 if (*tcp == wxT(':'))
700 return tcp + 1;
701 #else
702 // Unix like or Windows
703 if (*tcp == wxT('/') || *tcp == wxT('\\'))
704 return tcp + 1;
705 #endif
706 #ifdef __VMS__
707 if (*tcp == wxT(':') || *tcp == wxT(']'))
708 return tcp + 1;
709 #endif
710 } /* while */
711 #if defined(__WXMSW__) || defined(__WXPM__)
712 // MSDOS like
713 if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
714 return path + 2;
715 #endif
716 }
717 return path;
718 }
719
720 wxString wxFileNameFromPath (const wxString& path1)
721 {
722 if (path1 != wxT(""))
723 {
724 wxChar *path = WXSTRINGCAST path1 ;
725 register wxChar *tcp;
726
727 tcp = path + wxStrlen (path);
728 while (--tcp >= path)
729 {
730 #if defined(__WXMAC__) && !defined(__DARWIN__)
731 // Classic or Carbon CodeWarrior like
732 // Carbon with Apple DevTools is Unix like
733 if (*tcp == wxT(':') )
734 return wxString(tcp + 1);
735 #else
736 // Unix like or Windows
737 if (*tcp == wxT('/') || *tcp == wxT('\\'))
738 return wxString(tcp + 1);
739 #endif
740 #ifdef __VMS__
741 if (*tcp == wxT(':') || *tcp == wxT(']'))
742 return wxString(tcp + 1);
743 #endif
744 } /* while */
745 #if defined(__WXMSW__) || defined(__WXPM__)
746 // MSDOS like
747 if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
748 return wxString(path + 2);
749 #endif
750 }
751 // Yes, this should return the path, not an empty string, otherwise
752 // we get "thing.txt" -> "".
753 return path1;
754 }
755
756 // Return just the directory, or NULL if no directory
757 wxChar *
758 wxPathOnly (wxChar *path)
759 {
760 if (path && *path)
761 {
762 static wxChar buf[_MAXPATHLEN];
763
764 // Local copy
765 wxStrcpy (buf, path);
766
767 int l = wxStrlen(path);
768 int i = l - 1;
769
770 // Search backward for a backward or forward slash
771 while (i > -1)
772 {
773 #if defined(__WXMAC__) && !defined(__DARWIN__)
774 // Classic or Carbon CodeWarrior like
775 // Carbon with Apple DevTools is Unix like
776 if (path[i] == wxT(':') )
777 {
778 buf[i] = 0;
779 return buf;
780 }
781 #else
782 // Unix like or Windows
783 if (path[i] == wxT('/') || path[i] == wxT('\\'))
784 {
785 buf[i] = 0;
786 return buf;
787 }
788 #endif
789 #ifdef __VMS__
790 if (path[i] == wxT(']'))
791 {
792 buf[i+1] = 0;
793 return buf;
794 }
795 #endif
796 i --;
797 }
798
799 #if defined(__WXMSW__) || defined(__WXPM__)
800 // Try Drive specifier
801 if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
802 {
803 // A:junk --> A:. (since A:.\junk Not A:\junk)
804 buf[2] = wxT('.');
805 buf[3] = wxT('\0');
806 return buf;
807 }
808 #endif
809 }
810 return (wxChar *) NULL;
811 }
812
813 // Return just the directory, or NULL if no directory
814 wxString wxPathOnly (const wxString& path)
815 {
816 if (path != wxT(""))
817 {
818 wxChar buf[_MAXPATHLEN];
819
820 // Local copy
821 wxStrcpy (buf, WXSTRINGCAST path);
822
823 int l = path.Length();
824 int i = l - 1;
825
826 // Search backward for a backward or forward slash
827 while (i > -1)
828 {
829 #if defined(__WXMAC__) && !defined(__DARWIN__)
830 // Classic or Carbon CodeWarrior like
831 // Carbon with Apple DevTools is Unix like
832 if (path[i] == wxT(':') )
833 {
834 buf[i] = 0;
835 return wxString(buf);
836 }
837 #else
838 // Unix like or Windows
839 if (path[i] == wxT('/') || path[i] == wxT('\\'))
840 {
841 buf[i] = 0;
842 return wxString(buf);
843 }
844 #endif
845 #ifdef __VMS__
846 if (path[i] == wxT(']'))
847 {
848 buf[i+1] = 0;
849 return wxString(buf);
850 }
851 #endif
852 i --;
853 }
854
855 #if defined(__WXMSW__) || defined(__WXPM__)
856 // Try Drive specifier
857 if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
858 {
859 // A:junk --> A:. (since A:.\junk Not A:\junk)
860 buf[2] = wxT('.');
861 buf[3] = wxT('\0');
862 return wxString(buf);
863 }
864 #endif
865 }
866 return wxString(wxT(""));
867 }
868
869 // Utility for converting delimiters in DOS filenames to UNIX style
870 // and back again - or we get nasty problems with delimiters.
871 // Also, convert to lower case, since case is significant in UNIX.
872
873 #if defined(__WXMAC__)
874 wxString wxMacFSSpec2MacFilename( const FSSpec *spec )
875 {
876 #ifdef __DARWIN__
877 FSRef theRef;
878 char thePath[FILENAME_MAX];
879
880 // convert the FSSpec to an FSRef
881 (void) FSpMakeFSRef( spec, &theRef );
882 // get the POSIX path associated with the FSRef
883 (void) FSRefMakePath( &theRef, (UInt8 *)thePath, sizeof(thePath) );
884
885 // create path string for return value
886 wxString result( thePath ) ;
887 #else
888 Handle myPath ;
889 short length ;
890
891 // get length of path and allocate handle
892 FSpGetFullPath( spec , &length , &myPath ) ;
893 ::SetHandleSize( myPath , length + 1 ) ;
894 ::HLock( myPath ) ;
895 (*myPath)[length] = 0 ;
896 if ((length > 0) && ((*myPath)[length-1] == ':'))
897 (*myPath)[length-1] = 0 ;
898
899 // create path string for return value
900 wxString result( (char*) *myPath ) ;
901
902 // free allocated handle
903 ::HUnlock( myPath ) ;
904 ::DisposeHandle( myPath ) ;
905 #endif
906
907 return result ;
908 }
909
910 void wxMacFilename2FSSpec( const char *path , FSSpec *spec )
911 {
912 #ifdef __DARWIN__
913 FSRef theRef;
914
915 // get the FSRef associated with the POSIX path
916 (void) FSPathMakeRef((const UInt8 *) path, &theRef, NULL);
917 // convert the FSRef to an FSSpec
918 (void) FSGetCatalogInfo(&theRef, kFSCatInfoNone, NULL, NULL, spec, NULL);
919 #else
920 FSpLocationFromFullPath( strlen(path) , path , spec ) ;
921 #endif
922 }
923
924 #ifndef __DARWIN__
925 // Mac file names are POSIX (Unix style) under Darwin
926 // therefore the conversion functions below are not needed
927
928 static char sMacFileNameConversion[ 1000 ] ;
929
930 wxString wxMac2UnixFilename (const char *str)
931 {
932 char *s = sMacFileNameConversion ;
933 strcpy( s , str ) ;
934 if (s)
935 {
936 memmove( s+1 , s ,strlen( s ) + 1) ;
937 if ( *s == ':' )
938 *s = '.' ;
939 else
940 *s = '/' ;
941
942 while (*s)
943 {
944 if (*s == ':')
945 *s = '/';
946 else
947 *s = wxTolower(*s); // Case INDEPENDENT
948 s++;
949 }
950 }
951 return wxString(sMacFileNameConversion) ;
952 }
953
954 wxString wxUnix2MacFilename (const char *str)
955 {
956 char *s = sMacFileNameConversion ;
957 strcpy( s , str ) ;
958 if (s)
959 {
960 if ( *s == '.' )
961 {
962 // relative path , since it goes on with slash which is translated to a :
963 memmove( s , s+1 ,strlen( s ) ) ;
964 }
965 else if ( *s == '/' )
966 {
967 // absolute path -> on mac just start with the drive name
968 memmove( s , s+1 ,strlen( s ) ) ;
969 }
970 else
971 {
972 wxASSERT_MSG( 1 , "unkown path beginning" ) ;
973 }
974 while (*s)
975 {
976 if (*s == '/' || *s == '\\')
977 {
978 // convert any back-directory situations
979 if ( *(s+1) == '.' && *(s+2) == '.' && ( (*(s+3) == '/' || *(s+3) == '\\') ) )
980 {
981 *s = ':';
982 memmove( s+1 , s+3 ,strlen( s+3 ) + 1 ) ;
983 }
984 else
985 *s = ':';
986 }
987 s++ ;
988 }
989 }
990 return wxString (sMacFileNameConversion) ;
991 }
992
993 wxString wxMacFSSpec2UnixFilename( const FSSpec *spec )
994 {
995 return wxMac2UnixFilename( wxMacFSSpec2MacFilename( spec) ) ;
996 }
997
998 void wxUnixFilename2FSSpec( const char *path , FSSpec *spec )
999 {
1000 wxString var = wxUnix2MacFilename( path ) ;
1001 wxMacFilename2FSSpec( var , spec ) ;
1002 }
1003 #endif // ! __DARWIN__
1004
1005 #endif // __WXMAC__
1006
1007 void
1008 wxDos2UnixFilename (char *s)
1009 {
1010 if (s)
1011 while (*s)
1012 {
1013 if (*s == '\\')
1014 *s = '/';
1015 #ifdef __WXMSW__
1016 else
1017 *s = wxTolower (*s); // Case INDEPENDENT
1018 #endif
1019 s++;
1020 }
1021 }
1022
1023 void
1024 #if defined(__WXMSW__) || defined(__WXPM__)
1025 wxUnix2DosFilename (wxChar *s)
1026 #else
1027 wxUnix2DosFilename (wxChar *WXUNUSED(s) )
1028 #endif
1029 {
1030 // Yes, I really mean this to happen under DOS only! JACS
1031 #if defined(__WXMSW__) || defined(__WXPM__)
1032 if (s)
1033 while (*s)
1034 {
1035 if (*s == wxT('/'))
1036 *s = wxT('\\');
1037 s++;
1038 }
1039 #endif
1040 }
1041
1042 // Concatenate two files to form third
1043 bool
1044 wxConcatFiles (const wxString& file1, const wxString& file2, const wxString& file3)
1045 {
1046 wxString outfile;
1047 if ( !wxGetTempFileName("cat", outfile) )
1048 return FALSE;
1049
1050 FILE *fp1 = (FILE *) NULL;
1051 FILE *fp2 = (FILE *) NULL;
1052 FILE *fp3 = (FILE *) NULL;
1053 // Open the inputs and outputs
1054 if ((fp1 = wxFopen (OS_FILENAME( file1 ), wxT("rb"))) == NULL ||
1055 (fp2 = wxFopen (OS_FILENAME( file2 ), wxT("rb"))) == NULL ||
1056 (fp3 = wxFopen (OS_FILENAME( outfile ), wxT("wb"))) == NULL)
1057 {
1058 if (fp1)
1059 fclose (fp1);
1060 if (fp2)
1061 fclose (fp2);
1062 if (fp3)
1063 fclose (fp3);
1064 return FALSE;
1065 }
1066
1067 int ch;
1068 while ((ch = getc (fp1)) != EOF)
1069 (void) putc (ch, fp3);
1070 fclose (fp1);
1071
1072 while ((ch = getc (fp2)) != EOF)
1073 (void) putc (ch, fp3);
1074 fclose (fp2);
1075
1076 fclose (fp3);
1077 bool result = wxRenameFile(outfile, file3);
1078 return result;
1079 }
1080
1081 // Copy files
1082 bool
1083 wxCopyFile (const wxString& file1, const wxString& file2, bool overwrite)
1084 {
1085 #if defined(__WIN32__) && !defined(__WXMICROWIN__)
1086 // CopyFile() copies file attributes and modification time too, so use it
1087 // instead of our code if available
1088 //
1089 // NB: 3rd parameter is bFailIfExists i.e. the inverse of overwrite
1090 return ::CopyFile(file1, file2, !overwrite) != 0;
1091 #elif defined(__WXPM__)
1092 if (::DosCopy(file2, file2, overwrite ? DCPY_EXISTING : 0) == 0)
1093 return TRUE;
1094 else
1095 return FALSE;
1096 #else // !Win32
1097 wxStructStat fbuf;
1098
1099 // get permissions of file1
1100 if ( wxStat(OS_FILENAME(file1), &fbuf) != 0 )
1101 {
1102 // the file probably doesn't exist or we haven't the rights to read
1103 // from it anyhow
1104 wxLogSysError(_("Impossible to get permissions for file '%s'"),
1105 file1.c_str());
1106 return FALSE;
1107 }
1108
1109 // open file1 for reading
1110 wxFile fileIn(file1, wxFile::read);
1111 if ( !fileIn.IsOpened() )
1112 return FALSE;
1113
1114 // remove file2, if it exists. This is needed for creating
1115 // file2 with the correct permissions in the next step
1116 if ( wxFileExists(file2) && (!overwrite || !wxRemoveFile(file2)))
1117 {
1118 wxLogSysError(_("Impossible to overwrite the file '%s'"),
1119 file2.c_str());
1120 return FALSE;
1121 }
1122
1123 #ifdef __UNIX__
1124 // reset the umask as we want to create the file with exactly the same
1125 // permissions as the original one
1126 mode_t oldUmask = umask( 0 );
1127 #endif // __UNIX__
1128
1129 // create file2 with the same permissions than file1 and open it for
1130 // writing
1131 wxFile fileOut;
1132 if ( !fileOut.Create(file2, overwrite, fbuf.st_mode & 0777) )
1133 return FALSE;
1134
1135 #ifdef __UNIX__
1136 /// restore the old umask
1137 umask(oldUmask);
1138 #endif // __UNIX__
1139
1140 // copy contents of file1 to file2
1141 char buf[4096];
1142 size_t count;
1143 for ( ;; )
1144 {
1145 count = fileIn.Read(buf, WXSIZEOF(buf));
1146 if ( fileIn.Error() )
1147 return FALSE;
1148
1149 // end of file?
1150 if ( !count )
1151 break;
1152
1153 if ( fileOut.Write(buf, count) < count )
1154 return FALSE;
1155 }
1156
1157 // we can expect fileIn to be closed successfully, but we should ensure
1158 // that fileOut was closed as some write errors (disk full) might not be
1159 // detected before doing this
1160 if ( !fileIn.Close() || !fileOut.Close() )
1161 return FALSE;
1162
1163 #if !defined(__VISAGECPP__) && !defined(__WXMAC__) || defined(__UNIX__)
1164 // no chmod in VA. Should be some permission API for HPFS386 partitions
1165 // however
1166 if ( chmod(OS_FILENAME(file2), fbuf.st_mode) != 0 )
1167 {
1168 wxLogSysError(_("Impossible to set permissions for the file '%s'"),
1169 file2.c_str());
1170 return FALSE;
1171 }
1172 #endif // OS/2 || Mac
1173
1174 return TRUE;
1175 #endif // __WXMSW__ && __WIN32__
1176 }
1177
1178 bool
1179 wxRenameFile (const wxString& file1, const wxString& file2)
1180 {
1181 // Normal system call
1182 if ( wxRename (file1, file2) == 0 )
1183 return TRUE;
1184
1185 // Try to copy
1186 if (wxCopyFile(file1, file2)) {
1187 wxRemoveFile(file1);
1188 return TRUE;
1189 }
1190 // Give up
1191 return FALSE;
1192 }
1193
1194 bool wxRemoveFile(const wxString& file)
1195 {
1196 #if defined(__VISUALC__) \
1197 || defined(__BORLANDC__) \
1198 || defined(__WATCOMC__) \
1199 || defined(__GNUWIN32__)
1200 int res = wxRemove(file);
1201 #else
1202 int res = unlink(OS_FILENAME(file));
1203 #endif
1204
1205 return res == 0;
1206 }
1207
1208 bool wxMkdir(const wxString& dir, int perm)
1209 {
1210 #if defined(__WXMAC__) && !defined(__UNIX__)
1211 return (mkdir( dir , 0 ) == 0);
1212 #else // !Mac
1213 const wxChar *dirname = dir.c_str();
1214
1215 // assume mkdir() has 2 args on non Windows-OS/2 platforms and on Windows too
1216 // for the GNU compiler
1217 #if (!(defined(__WXMSW__) || defined(__WXPM__) || defined(__DOS__))) || (defined(__GNUWIN32__) && !defined(__MINGW32__)) || defined(__WXWINE__) || defined(__WXMICROWIN__)
1218 if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1219 #elif defined(__WXPM__)
1220 if (::DosCreateDir((PSZ)dirname, NULL) != 0) // enhance for EAB's??
1221 #elif defined(__DOS__)
1222 #if defined(__WATCOMC__)
1223 (void)perm;
1224 if ( wxMkDir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
1225 #elif defined(__DJGPP__)
1226 if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1227 #else
1228 #error "Unsupported DOS compiler!"
1229 #endif
1230 #else // !MSW, !DOS and !OS/2 VAC++
1231 (void)perm;
1232 if ( wxMkDir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
1233 #endif // !MSW/MSW
1234 {
1235 wxLogSysError(_("Directory '%s' couldn't be created"), dirname);
1236
1237 return FALSE;
1238 }
1239
1240 return TRUE;
1241 #endif // Mac/!Mac
1242 }
1243
1244 bool wxRmdir(const wxString& dir, int WXUNUSED(flags))
1245 {
1246 #ifdef __VMS__
1247 return FALSE; //to be changed since rmdir exists in VMS7.x
1248 #elif defined(__WXPM__)
1249 return (::DosDeleteDir((PSZ)dir.c_str()) == 0);
1250 #else
1251
1252 #ifdef __SALFORDC__
1253 return FALSE; // What to do?
1254 #else
1255 return (wxRmDir(OS_FILENAME(dir)) == 0);
1256 #endif
1257
1258 #endif
1259 }
1260
1261 // does the path exists? (may have or not '/' or '\\' at the end)
1262 bool wxPathExists(const wxChar *pszPathName)
1263 {
1264 wxString strPath(pszPathName);
1265
1266 #ifdef __WINDOWS__
1267 // Windows fails to find directory named "c:\dir\" even if "c:\dir" exists,
1268 // so remove all trailing backslashes from the path - but don't do this for
1269 // the pathes "d:\" (which are different from "d:") nor for just "\"
1270 while ( wxEndsWithPathSeparator(strPath) )
1271 {
1272 size_t len = strPath.length();
1273 if ( len == 1 || (len == 3 && strPath[len - 2] == _T(':')) )
1274 break;
1275
1276 strPath.Truncate(len - 1);
1277 }
1278 #endif // __WINDOWS__
1279
1280 #if defined(__WIN32__) && !defined(__WXMICROWIN__)
1281 // stat() can't cope with network paths
1282 DWORD ret = ::GetFileAttributes(strPath);
1283
1284 return (ret != (DWORD)-1) && (ret & FILE_ATTRIBUTE_DIRECTORY);
1285 #else // !__WIN32__
1286
1287 wxStructStat st;
1288 #ifndef __VISAGECPP__
1289 return wxStat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 &&
1290 ((st.st_mode & S_IFMT) == S_IFDIR);
1291 #else
1292 // S_IFMT not supported in VA compilers.. st_mode is a 2byte value only
1293 return wxStat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 &&
1294 (st.st_mode == S_IFDIR);
1295 #endif
1296
1297 #endif // __WIN32__/!__WIN32__
1298 }
1299
1300 // Get a temporary filename, opening and closing the file.
1301 wxChar *wxGetTempFileName(const wxString& prefix, wxChar *buf)
1302 {
1303 wxString filename = wxFileName::CreateTempFileName(prefix);
1304 if ( filename.empty() )
1305 return NULL;
1306
1307 if ( buf )
1308 wxStrcpy(buf, filename);
1309 else
1310 buf = copystring(filename);
1311
1312 return buf;
1313 }
1314
1315 bool wxGetTempFileName(const wxString& prefix, wxString& buf)
1316 {
1317 buf = wxFileName::CreateTempFileName(prefix);
1318
1319 return !buf.empty();
1320 }
1321
1322 // Get first file name matching given wild card.
1323
1324 static wxDir *gs_dir = NULL;
1325 static wxString gs_dirPath;
1326
1327 wxString wxFindFirstFile(const wxChar *spec, int flags)
1328 {
1329 gs_dirPath = wxPathOnly(spec);
1330 if ( gs_dirPath.IsEmpty() )
1331 gs_dirPath = wxT(".");
1332 if ( gs_dirPath.Last() != wxFILE_SEP_PATH )
1333 gs_dirPath << wxFILE_SEP_PATH;
1334
1335 if (gs_dir)
1336 delete gs_dir;
1337 gs_dir = new wxDir(gs_dirPath);
1338
1339 if ( !gs_dir->IsOpened() )
1340 {
1341 wxLogSysError(_("Can not enumerate files '%s'"), spec);
1342 return wxEmptyString;
1343 }
1344
1345 int dirFlags = 0;
1346 switch (flags)
1347 {
1348 case wxDIR: dirFlags = wxDIR_DIRS; break;
1349 case wxFILE: dirFlags = wxDIR_FILES; break;
1350 default: dirFlags = wxDIR_DIRS | wxDIR_FILES; break;
1351 }
1352
1353 wxString result;
1354 gs_dir->GetFirst(&result, wxFileNameFromPath(spec), dirFlags);
1355 if ( result.IsEmpty() )
1356 {
1357 wxDELETE(gs_dir);
1358 return result;
1359 }
1360
1361 return gs_dirPath + result;
1362 }
1363
1364 wxString wxFindNextFile()
1365 {
1366 wxASSERT_MSG( gs_dir, wxT("You must call wxFindFirstFile before!") );
1367
1368 wxString result;
1369 gs_dir->GetNext(&result);
1370
1371 if ( result.IsEmpty() )
1372 {
1373 wxDELETE(gs_dir);
1374 return result;
1375 }
1376
1377 return gs_dirPath + result;
1378 }
1379
1380
1381 // Get current working directory.
1382 // If buf is NULL, allocates space using new, else
1383 // copies into buf.
1384 wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
1385 {
1386 if ( !buf )
1387 {
1388 buf = new wxChar[sz + 1];
1389 }
1390
1391 bool ok;
1392
1393 // for the compilers which have Unicode version of _getcwd(), call it
1394 // directly, for the others call the ANSI version and do the translation
1395 #if wxUSE_UNICODE
1396 #ifdef HAVE_WGETCWD
1397 ok = _wgetcwd(buf, sz) != NULL;
1398 #else // !HAVE_WGETCWD
1399 wxCharBuffer cbuf(sz);
1400 #endif
1401 #endif //
1402
1403 #if !wxUSE_UNICODE || !defined(HAVE_WGETCWD)
1404 #ifdef _MSC_VER
1405 ok = _getcwd(buf, sz) != NULL;
1406 #elif defined(__WXMAC__) && !defined(__DARWIN__)
1407 FSSpec cwdSpec ;
1408 FCBPBRec pb;
1409 OSErr error;
1410 Str255 fileName ;
1411 pb.ioNamePtr = (StringPtr) &fileName;
1412 pb.ioVRefNum = 0;
1413 pb.ioRefNum = LMGetCurApRefNum();
1414 pb.ioFCBIndx = 0;
1415 error = PBGetFCBInfoSync(&pb);
1416 if ( error == noErr )
1417 {
1418 cwdSpec.vRefNum = pb.ioFCBVRefNum;
1419 cwdSpec.parID = pb.ioFCBParID;
1420 cwdSpec.name[0] = 0 ;
1421 wxString res = wxMacFSSpec2MacFilename( &cwdSpec ) ;
1422
1423 strcpy( buf , res ) ;
1424 buf[res.length()]=0 ;
1425
1426 ok = TRUE;
1427 }
1428 else
1429 {
1430 ok = FALSE;
1431 }
1432 #elif defined(__VISAGECPP__) || (defined (__OS2__) && defined (__WATCOMC__))
1433 APIRET rc;
1434 rc = ::DosQueryCurrentDir( 0 // current drive
1435 ,buf
1436 ,(PULONG)&sz
1437 );
1438 ok = rc != 0;
1439 #else // !Win32/VC++ !Mac !OS2
1440 ok = getcwd(buf, sz) != NULL;
1441 #endif // platform
1442 #endif // !wxUSE_UNICODE || !HAVE_WGETCWD
1443
1444 if ( !ok )
1445 {
1446 wxLogSysError(_("Failed to get the working directory"));
1447
1448 // VZ: the old code used to return "." on error which didn't make any
1449 // sense at all to me - empty string is a better error indicator
1450 // (NULL might be even better but I'm afraid this could lead to
1451 // problems with the old code assuming the return is never NULL)
1452 buf[0] = _T('\0');
1453 }
1454 else // ok, but we might need to massage the path into the right format
1455 {
1456 #ifdef __DJGPP__
1457 // VS: DJGPP is a strange mix of DOS and UNIX API and returns paths
1458 // with / deliminers. We don't like that.
1459 for (wxChar *ch = buf; *ch; ch++)
1460 {
1461 if (*ch == wxT('/'))
1462 *ch = wxT('\\');
1463 }
1464 #endif // __DJGPP__
1465
1466 #ifdef __CYGWIN__
1467 // another example of DOS/Unix mix (Cygwin)
1468 wxString pathUnix = buf;
1469 cygwin_conv_to_full_win32_path(pathUnix, buf);
1470 #endif // __CYGWIN__
1471
1472 // finally convert the result to Unicode if needed
1473 #if wxUSE_UNICODE && !defined(HAVE_WGETCWD)
1474 wxConvFile.MB2WC(buf, cbuf, sz);
1475 #endif // wxUSE_UNICODE
1476 }
1477
1478 return buf;
1479 }
1480
1481 wxString wxGetCwd()
1482 {
1483 wxString str;
1484
1485 // we can't create wxStringBuffer object inline: Sun CC generates buggy
1486 // code in this case!
1487 {
1488 wxStringBuffer buf(str, _MAXPATHLEN);
1489 wxGetWorkingDirectory(buf, _MAXPATHLEN);
1490 }
1491
1492 return str;
1493 }
1494
1495 bool wxSetWorkingDirectory(const wxString& d)
1496 {
1497 #if defined(__UNIX__) || defined(__WXMAC__) || defined(__DOS__)
1498 return (chdir(wxFNSTRINGCAST d.fn_str()) == 0);
1499 #elif defined(__WXPM__)
1500 return (::DosSetCurrentDir((PSZ)d.c_str()) == 0);
1501 #elif defined(__WINDOWS__)
1502
1503 #ifdef __WIN32__
1504 return (bool)(SetCurrentDirectory(d) != 0);
1505 #else
1506 // Must change drive, too.
1507 bool isDriveSpec = ((strlen(d) > 1) && (d[1] == ':'));
1508 if (isDriveSpec)
1509 {
1510 wxChar firstChar = d[0];
1511
1512 // To upper case
1513 if (firstChar > 90)
1514 firstChar = firstChar - 32;
1515
1516 // To a drive number
1517 unsigned int driveNo = firstChar - 64;
1518 if (driveNo > 0)
1519 {
1520 unsigned int noDrives;
1521 _dos_setdrive(driveNo, &noDrives);
1522 }
1523 }
1524 bool success = (chdir(WXSTRINGCAST d) == 0);
1525
1526 return success;
1527 #endif
1528
1529 #endif
1530 }
1531
1532 // Get the OS directory if appropriate (such as the Windows directory).
1533 // On non-Windows platform, probably just return the empty string.
1534 wxString wxGetOSDirectory()
1535 {
1536 #if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
1537 wxChar buf[256];
1538 GetWindowsDirectory(buf, 256);
1539 return wxString(buf);
1540 #else
1541 return wxEmptyString;
1542 #endif
1543 }
1544
1545 bool wxEndsWithPathSeparator(const wxChar *pszFileName)
1546 {
1547 size_t len = wxStrlen(pszFileName);
1548
1549 return len && wxIsPathSeparator(pszFileName[len - 1]);
1550 }
1551
1552 // find a file in a list of directories, returns false if not found
1553 bool wxFindFileInPath(wxString *pStr, const wxChar *pszPath, const wxChar *pszFile)
1554 {
1555 // we assume that it's not empty
1556 wxCHECK_MSG( !wxIsEmpty(pszFile), FALSE,
1557 _T("empty file name in wxFindFileInPath"));
1558
1559 // skip path separator in the beginning of the file name if present
1560 if ( wxIsPathSeparator(*pszFile) )
1561 pszFile++;
1562
1563 // copy the path (strtok will modify it)
1564 wxChar *szPath = new wxChar[wxStrlen(pszPath) + 1];
1565 wxStrcpy(szPath, pszPath);
1566
1567 wxString strFile;
1568 wxChar *pc, *save_ptr;
1569 for ( pc = wxStrtok(szPath, wxPATH_SEP, &save_ptr);
1570 pc != NULL;
1571 pc = wxStrtok((wxChar *) NULL, wxPATH_SEP, &save_ptr) )
1572 {
1573 // search for the file in this directory
1574 strFile = pc;
1575 if ( !wxEndsWithPathSeparator(pc) )
1576 strFile += wxFILE_SEP_PATH;
1577 strFile += pszFile;
1578
1579 if ( FileExists(strFile) ) {
1580 *pStr = strFile;
1581 break;
1582 }
1583 }
1584
1585 // suppress warning about unused variable save_ptr when wxStrtok() is a
1586 // macro which throws away its third argument
1587 save_ptr = pc;
1588
1589 delete [] szPath;
1590
1591 return pc != NULL; // if true => we breaked from the loop
1592 }
1593
1594 void WXDLLEXPORT wxSplitPath(const wxChar *pszFileName,
1595 wxString *pstrPath,
1596 wxString *pstrName,
1597 wxString *pstrExt)
1598 {
1599 // it can be empty, but it shouldn't be NULL
1600 wxCHECK_RET( pszFileName, wxT("NULL file name in wxSplitPath") );
1601
1602 wxFileName::SplitPath(pszFileName, pstrPath, pstrName, pstrExt);
1603 }
1604
1605 time_t WXDLLEXPORT wxFileModificationTime(const wxString& filename)
1606 {
1607 wxStructStat buf;
1608
1609 wxStat(filename.fn_str(), &buf);
1610 return buf.st_mtime;
1611 }
1612
1613
1614 //------------------------------------------------------------------------
1615 // wild character routines
1616 //------------------------------------------------------------------------
1617
1618 bool wxIsWild( const wxString& pattern )
1619 {
1620 wxString tmp = pattern;
1621 wxChar *pat = WXSTRINGCAST(tmp);
1622 while (*pat) {
1623 switch (*pat++) {
1624 case wxT('?'): case wxT('*'): case wxT('['): case wxT('{'):
1625 return TRUE;
1626 case wxT('\\'):
1627 if (!*pat++)
1628 return FALSE;
1629 }
1630 }
1631 return FALSE;
1632 };
1633
1634 bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
1635
1636 #if defined(HAVE_FNMATCH_H)
1637 {
1638 // this probably won't work well for multibyte chars in Unicode mode?
1639 if(dot_special)
1640 return fnmatch(pat.fn_str(), text.fn_str(), FNM_PERIOD) == 0;
1641 else
1642 return fnmatch(pat.fn_str(), text.fn_str(), 0) == 0;
1643 }
1644 #else
1645
1646 // #pragma error Broken implementation of wxMatchWild() -- needs fixing!
1647
1648 /*
1649 * WARNING: this code is broken!
1650 */
1651 {
1652 wxString tmp1 = pat;
1653 wxChar *pattern = WXSTRINGCAST(tmp1);
1654 wxString tmp2 = text;
1655 wxChar *str = WXSTRINGCAST(tmp2);
1656 wxChar c;
1657 wxChar *cp;
1658 bool done = FALSE, ret_code, ok;
1659 // Below is for vi fans
1660 const wxChar OB = wxT('{'), CB = wxT('}');
1661
1662 // dot_special means '.' only matches '.'
1663 if (dot_special && *str == wxT('.') && *pattern != *str)
1664 return FALSE;
1665
1666 while ((*pattern != wxT('\0')) && (!done)
1667 && (((*str==wxT('\0'))&&((*pattern==OB)||(*pattern==wxT('*'))))||(*str!=wxT('\0')))) {
1668 switch (*pattern) {
1669 case wxT('\\'):
1670 pattern++;
1671 if (*pattern != wxT('\0'))
1672 pattern++;
1673 break;
1674 case wxT('*'):
1675 pattern++;
1676 ret_code = FALSE;
1677 while ((*str!=wxT('\0'))
1678 && ((ret_code=wxMatchWild(pattern, str++, FALSE)) == 0))
1679 /*loop*/;
1680 if (ret_code) {
1681 while (*str != wxT('\0'))
1682 str++;
1683 while (*pattern != wxT('\0'))
1684 pattern++;
1685 }
1686 break;
1687 case wxT('['):
1688 pattern++;
1689 repeat:
1690 if ((*pattern == wxT('\0')) || (*pattern == wxT(']'))) {
1691 done = TRUE;
1692 break;
1693 }
1694 if (*pattern == wxT('\\')) {
1695 pattern++;
1696 if (*pattern == wxT('\0')) {
1697 done = TRUE;
1698 break;
1699 }
1700 }
1701 if (*(pattern + 1) == wxT('-')) {
1702 c = *pattern;
1703 pattern += 2;
1704 if (*pattern == wxT(']')) {
1705 done = TRUE;
1706 break;
1707 }
1708 if (*pattern == wxT('\\')) {
1709 pattern++;
1710 if (*pattern == wxT('\0')) {
1711 done = TRUE;
1712 break;
1713 }
1714 }
1715 if ((*str < c) || (*str > *pattern)) {
1716 pattern++;
1717 goto repeat;
1718 }
1719 } else if (*pattern != *str) {
1720 pattern++;
1721 goto repeat;
1722 }
1723 pattern++;
1724 while ((*pattern != wxT(']')) && (*pattern != wxT('\0'))) {
1725 if ((*pattern == wxT('\\')) && (*(pattern + 1) != wxT('\0')))
1726 pattern++;
1727 pattern++;
1728 }
1729 if (*pattern != wxT('\0')) {
1730 pattern++, str++;
1731 }
1732 break;
1733 case wxT('?'):
1734 pattern++;
1735 str++;
1736 break;
1737 case OB:
1738 pattern++;
1739 while ((*pattern != CB) && (*pattern != wxT('\0'))) {
1740 cp = str;
1741 ok = TRUE;
1742 while (ok && (*cp != wxT('\0')) && (*pattern != wxT('\0'))
1743 && (*pattern != wxT(',')) && (*pattern != CB)) {
1744 if (*pattern == wxT('\\'))
1745 pattern++;
1746 ok = (*pattern++ == *cp++);
1747 }
1748 if (*pattern == wxT('\0')) {
1749 ok = FALSE;
1750 done = TRUE;
1751 break;
1752 } else if (ok) {
1753 str = cp;
1754 while ((*pattern != CB) && (*pattern != wxT('\0'))) {
1755 if (*++pattern == wxT('\\')) {
1756 if (*++pattern == CB)
1757 pattern++;
1758 }
1759 }
1760 } else {
1761 while (*pattern!=CB && *pattern!=wxT(',') && *pattern!=wxT('\0')) {
1762 if (*++pattern == wxT('\\')) {
1763 if (*++pattern == CB || *pattern == wxT(','))
1764 pattern++;
1765 }
1766 }
1767 }
1768 if (*pattern != wxT('\0'))
1769 pattern++;
1770 }
1771 break;
1772 default:
1773 if (*str == *pattern) {
1774 str++, pattern++;
1775 } else {
1776 done = TRUE;
1777 }
1778 }
1779 }
1780 while (*pattern == wxT('*'))
1781 pattern++;
1782 return ((*str == wxT('\0')) && (*pattern == wxT('\0')));
1783 };
1784
1785 #endif
1786
1787 #ifdef __VISUALC__
1788 #pragma warning(default:4706) // assignment within conditional expression
1789 #endif // VC++
1790
1791 //------------------------------------------------------------------------
1792 // Missing functions in Unicode for Win9x
1793 //------------------------------------------------------------------------
1794
1795 // NB: MSLU only covers Win32 API, it doesn't provide Unicode implementation of
1796 // libc functions. Unfortunately, some of MSVCRT wchar_t functions
1797 // (e.g. _wopen) don't work on Windows 9x, so we have to workaround it
1798 // by calling the char version. We still want to use wchar_t version on
1799 // NT/2000/XP, though, because they allow for Unicode file names.
1800 #if wxUSE_UNICODE_MSLU
1801
1802 #if defined( __VISUALC__ ) \
1803 || ( defined(__MINGW32__) && wxCHECK_W32API_VERSION( 0, 5 ) ) \
1804 || ( defined(__MWERKS__) && defined(__WXMSW__) )
1805 WXDLLEXPORT int wxOpen(const wxChar *name, int flags, int mode)
1806 {
1807 if ( wxGetOsVersion() == wxWINDOWS_NT )
1808 return _wopen(name, flags, mode);
1809 else
1810 return _open(wxConvFile.cWX2MB(name), flags, mode);
1811 }
1812 #endif
1813
1814 #endif // wxUSE_UNICODE_MSLU
wxWidgets (Impactor)