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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 #include <fcntl.h>
72 #endif
73
74 #ifdef __WXPM__
75 #include <process.h>
76 #include "wx/os2/private.h"
77 #endif
78 #if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
79 #if !defined( __GNUWIN32__ ) && !defined( __MWERKS__ ) && !defined(__SALFORDC__)
80 #include <direct.h>
81 #include <dos.h>
82 #include <io.h>
83 #endif // __WINDOWS__
84 #endif // native Win compiler
85
86 #if defined(__DOS__)
87 #ifdef __WATCOMC__
88 #include <direct.h>
89 #include <dos.h>
90 #include <io.h>
91 #endif
92 #ifdef __DJGPP__
93 #include <unistd.h>
94 #endif
95 #endif
96
97 #ifdef __BORLANDC__ // Please someone tell me which version of Borland needs
98 // this (3.1 I believe) and how to test for it.
99 // If this works for Borland 4.0 as well, then no worries.
100 #include <dir.h>
101 #endif
102
103 #ifdef __SALFORDC__
104 #include <dir.h>
105 #include <unix.h>
106 #endif
107
108 #include "wx/setup.h"
109 #include "wx/log.h"
110
111 // No, Cygwin doesn't appear to have fnmatch.h after all.
112 #if defined(HAVE_FNMATCH_H)
113 #include "fnmatch.h"
114 #endif
115
116 #ifdef __WINDOWS__
117 #include <windows.h>
118 #include "wx/msw/mslu.h"
119
120 // sys/cygwin.h is needed for cygwin_conv_to_full_win32_path()
121 //
122 // note that it must be included after <windows.h>
123 #ifdef __GNUWIN32__
124 #ifdef __CYGWIN__
125 #include <sys/cygwin.h>
126 #endif
127 #include <wchar.h>
128 #ifndef __TWIN32__
129 #include <sys/unistd.h>
130 #endif
131 #endif // __GNUWIN32__
132 #endif // __WINDOWS__
133
134 // TODO: Borland probably has _wgetcwd as well?
135 #ifdef _MSC_VER
136 #define HAVE_WGETCWD
137 #endif
138
139 // ----------------------------------------------------------------------------
140 // constants
141 // ----------------------------------------------------------------------------
142
143 #ifndef _MAXPATHLEN
144 #define _MAXPATHLEN 1024
145 #endif
146
147 #ifdef __WXMAC__
148 # include "MoreFiles.h"
149 # include "MoreFilesExtras.h"
150 # include "FullPath.h"
151 # include "FSpCompat.h"
152 #endif
153
154 // ----------------------------------------------------------------------------
155 // private globals
156 // ----------------------------------------------------------------------------
157
158 // MT-FIXME: get rid of this horror and all code using it
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 #ifdef wxNEED_WX_UNISTD_H
181
182 WXDLLEXPORT int wxStat( const wxChar *file_name, wxStructStat *buf )
183 {
184 return stat( wxConvFile.cWX2MB( file_name ), buf );
185 }
186
187 WXDLLEXPORT int wxAccess( const wxChar *pathname, int mode )
188 {
189 return access( wxConvFile.cWX2MB( pathname ), mode );
190 }
191
192 WXDLLEXPORT int wxOpen( const wxChar *pathname, int flags, mode_t mode )
193 {
194 return open( wxConvFile.cWX2MB( pathname ), flags, mode );
195 }
196
197 #endif
198 // wxNEED_WX_UNISTD_H
199
200 // ----------------------------------------------------------------------------
201 // wxPathList
202 // ----------------------------------------------------------------------------
203
204 IMPLEMENT_DYNAMIC_CLASS(wxPathList, wxStringList)
205
206 void wxPathList::Add (const wxString& path)
207 {
208 wxStringList::Add (WXSTRINGCAST path);
209 }
210
211 // Add paths e.g. from the PATH environment variable
212 void wxPathList::AddEnvList (const wxString& envVariable)
213 {
214 static const wxChar PATH_TOKS[] =
215 #ifdef __WINDOWS__
216 wxT(" ;"); // Don't seperate with colon in DOS (used for drive)
217 #else
218 wxT(" :;");
219 #endif
220
221 wxChar *val = wxGetenv (WXSTRINGCAST envVariable);
222 if (val && *val)
223 {
224 wxChar *s = copystring (val);
225 wxChar *save_ptr, *token = wxStrtok (s, PATH_TOKS, &save_ptr);
226
227 if (token)
228 {
229 Add (copystring (token));
230 while (token)
231 {
232 if ((token = wxStrtok ((wxChar *) NULL, PATH_TOKS, &save_ptr)) != NULL)
233 Add (wxString(token));
234 }
235 }
236
237 // suppress warning about unused variable save_ptr when wxStrtok() is a
238 // macro which throws away its third argument
239 save_ptr = token;
240
241 delete [] s;
242 }
243 }
244
245 // Given a full filename (with path), ensure that that file can
246 // be accessed again USING FILENAME ONLY by adding the path
247 // to the list if not already there.
248 void wxPathList::EnsureFileAccessible (const wxString& path)
249 {
250 wxString path_only(wxPathOnly(path));
251 if ( !path_only.IsEmpty() )
252 {
253 if ( !Member(path_only) )
254 Add(path_only);
255 }
256 }
257
258 bool wxPathList::Member (const wxString& path)
259 {
260 for (wxNode * node = First (); node != NULL; node = node->Next ())
261 {
262 wxString path2((wxChar *) node->Data ());
263 if (
264 #if defined(__WINDOWS__) || defined(__VMS__) || defined (__WXMAC__)
265 // Case INDEPENDENT
266 path.CompareTo (path2, wxString::ignoreCase) == 0
267 #else
268 // Case sensitive File System
269 path.CompareTo (path2) == 0
270 #endif
271 )
272 return TRUE;
273 }
274 return FALSE;
275 }
276
277 wxString wxPathList::FindValidPath (const wxString& file)
278 {
279 if (wxFileExists (wxExpandPath(wxFileFunctionsBuffer, file)))
280 return wxString(wxFileFunctionsBuffer);
281
282 wxChar buf[_MAXPATHLEN];
283 wxStrcpy(buf, wxFileFunctionsBuffer);
284
285 wxChar *filename = (wxChar*) NULL; /* shut up buggy egcs warning */
286 filename = IsAbsolutePath (buf) ? wxFileNameFromPath (buf) : (wxChar *)buf;
287
288 for (wxNode * node = First (); node; node = node->Next ())
289 {
290 wxChar *path = (wxChar *) node->Data ();
291 wxStrcpy (wxFileFunctionsBuffer, path);
292 wxChar ch = wxFileFunctionsBuffer[wxStrlen(wxFileFunctionsBuffer)-1];
293 if (ch != wxT('\\') && ch != wxT('/'))
294 wxStrcat (wxFileFunctionsBuffer, wxT("/"));
295 wxStrcat (wxFileFunctionsBuffer, filename);
296 #ifdef __WINDOWS__
297 Unix2DosFilename (wxFileFunctionsBuffer);
298 #endif
299 if (wxFileExists (wxFileFunctionsBuffer))
300 {
301 return wxString(wxFileFunctionsBuffer); // Found!
302 }
303 } // for()
304
305 return wxString(wxT("")); // Not found
306 }
307
308 wxString wxPathList::FindAbsoluteValidPath (const wxString& file)
309 {
310 wxString f = FindValidPath(file);
311 if ( wxIsAbsolutePath(f) )
312 return f;
313
314 wxString buf;
315 wxGetWorkingDirectory(wxStringBuffer(buf, _MAXPATHLEN), _MAXPATHLEN);
316
317 if ( !wxEndsWithPathSeparator(buf) )
318 {
319 buf += wxFILE_SEP_PATH;
320 }
321 buf += f;
322
323 return buf;
324 }
325
326 bool
327 wxFileExists (const wxString& filename)
328 {
329 #if defined(__WIN32__) && !defined(__WXMICROWIN__)
330 // GetFileAttributes can copy with network paths unlike stat()
331 DWORD ret = ::GetFileAttributes(filename);
332
333 return (ret != (DWORD)-1) && !(ret & FILE_ATTRIBUTE_DIRECTORY);
334 #else
335 wxStructStat stbuf;
336 if ( !filename.empty() && wxStat( filename, &stbuf) == 0 )
337 return TRUE;
338
339 return FALSE;
340 #endif
341 }
342
343 bool
344 wxIsAbsolutePath (const wxString& filename)
345 {
346 if (filename != wxT(""))
347 {
348 #if defined(__WXMAC__) && !defined(__DARWIN__)
349 // Classic or Carbon CodeWarrior like
350 // Carbon with Apple DevTools is Unix like
351
352 // This seems wrong to me, but there is no fix. since
353 // "MacOS:MyText.txt" is absolute whereas "MyDir:MyText.txt"
354 // is not. Or maybe ":MyDir:MyText.txt" has to be used? RR.
355 if (filename.Find(':') != wxNOT_FOUND && filename[0] != ':')
356 return TRUE ;
357 #else
358 // Unix like or Windows
359 if (filename[0] == wxT('/'))
360 return TRUE;
361 #endif
362 #ifdef __VMS__
363 if ((filename[0] == wxT('[') && filename[1] != wxT('.')))
364 return TRUE;
365 #endif
366 #ifdef __WINDOWS__
367 // MSDOS like
368 if (filename[0] == wxT('\\') || (wxIsalpha (filename[0]) && filename[1] == wxT(':')))
369 return TRUE;
370 #endif
371 }
372 return FALSE ;
373 }
374
375 /*
376 * Strip off any extension (dot something) from end of file,
377 * IF one exists. Inserts zero into buffer.
378 *
379 */
380
381 void wxStripExtension(wxChar *buffer)
382 {
383 int len = wxStrlen(buffer);
384 int i = len-1;
385 while (i > 0)
386 {
387 if (buffer[i] == wxT('.'))
388 {
389 buffer[i] = 0;
390 break;
391 }
392 i --;
393 }
394 }
395
396 void wxStripExtension(wxString& buffer)
397 {
398 size_t len = buffer.Length();
399 size_t i = len-1;
400 while (i > 0)
401 {
402 if (buffer.GetChar(i) == wxT('.'))
403 {
404 buffer = buffer.Left(i);
405 break;
406 }
407 i --;
408 }
409 }
410
411 // Destructive removal of /./ and /../ stuff
412 wxChar *wxRealPath (wxChar *path)
413 {
414 #ifdef __WXMSW__
415 static const wxChar SEP = wxT('\\');
416 Unix2DosFilename(path);
417 #else
418 static const wxChar SEP = wxT('/');
419 #endif
420 if (path[0] && path[1]) {
421 /* MATTHEW: special case "/./x" */
422 wxChar *p;
423 if (path[2] == SEP && path[1] == wxT('.'))
424 p = &path[0];
425 else
426 p = &path[2];
427 for (; *p; p++)
428 {
429 if (*p == SEP)
430 {
431 if (p[1] == wxT('.') && p[2] == wxT('.') && (p[3] == SEP || p[3] == wxT('\0')))
432 {
433 wxChar *q;
434 for (q = p - 1; q >= path && *q != SEP; q--);
435 if (q[0] == SEP && (q[1] != wxT('.') || q[2] != wxT('.') || q[3] != SEP)
436 && (q - 1 <= path || q[-1] != SEP))
437 {
438 wxStrcpy (q, p + 3);
439 if (path[0] == wxT('\0'))
440 {
441 path[0] = SEP;
442 path[1] = wxT('\0');
443 }
444 #ifdef __WXMSW__
445 /* Check that path[2] is NULL! */
446 else if (path[1] == wxT(':') && !path[2])
447 {
448 path[2] = SEP;
449 path[3] = wxT('\0');
450 }
451 #endif
452 p = q - 1;
453 }
454 }
455 else if (p[1] == wxT('.') && (p[2] == SEP || p[2] == wxT('\0')))
456 wxStrcpy (p, p + 2);
457 }
458 }
459 }
460 return path;
461 }
462
463 // Must be destroyed
464 wxChar *wxCopyAbsolutePath(const wxString& filename)
465 {
466 if (filename == wxT(""))
467 return (wxChar *) NULL;
468
469 if (! IsAbsolutePath(wxExpandPath(wxFileFunctionsBuffer, filename))) {
470 wxChar buf[_MAXPATHLEN];
471 buf[0] = wxT('\0');
472 wxGetWorkingDirectory(buf, WXSIZEOF(buf));
473 wxChar ch = buf[wxStrlen(buf) - 1];
474 #ifdef __WXMSW__
475 if (ch != wxT('\\') && ch != wxT('/'))
476 wxStrcat(buf, wxT("\\"));
477 #else
478 if (ch != wxT('/'))
479 wxStrcat(buf, wxT("/"));
480 #endif
481 wxStrcat(buf, wxFileFunctionsBuffer);
482 return copystring( wxRealPath(buf) );
483 }
484 return copystring( wxFileFunctionsBuffer );
485 }
486
487 /*-
488 Handles:
489 ~/ => home dir
490 ~user/ => user's home dir
491 If the environment variable a = "foo" and b = "bar" then:
492 Unix:
493 $a => foo
494 $a$b => foobar
495 $a.c => foo.c
496 xxx$a => xxxfoo
497 ${a}! => foo!
498 $(b)! => bar!
499 \$a => \$a
500 MSDOS:
501 $a ==> $a
502 $(a) ==> foo
503 $(a)$b ==> foo$b
504 $(a)$(b)==> foobar
505 test.$$ ==> test.$$
506 */
507
508 /* input name in name, pathname output to buf. */
509
510 wxChar *wxExpandPath(wxChar *buf, const wxChar *name)
511 {
512 register wxChar *d, *s, *nm;
513 wxChar lnm[_MAXPATHLEN];
514 int q;
515
516 // Some compilers don't like this line.
517 // const wxChar trimchars[] = wxT("\n \t");
518
519 wxChar trimchars[4];
520 trimchars[0] = wxT('\n');
521 trimchars[1] = wxT(' ');
522 trimchars[2] = wxT('\t');
523 trimchars[3] = 0;
524
525 #ifdef __WXMSW__
526 const wxChar SEP = wxT('\\');
527 #else
528 const wxChar SEP = wxT('/');
529 #endif
530 buf[0] = wxT('\0');
531 if (name == NULL || *name == wxT('\0'))
532 return buf;
533 nm = copystring(name); // Make a scratch copy
534 wxChar *nm_tmp = nm;
535
536 /* Skip leading whitespace and cr */
537 while (wxStrchr((wxChar *)trimchars, *nm) != NULL)
538 nm++;
539 /* And strip off trailing whitespace and cr */
540 s = nm + (q = wxStrlen(nm)) - 1;
541 while (q-- && wxStrchr((wxChar *)trimchars, *s) != NULL)
542 *s = wxT('\0');
543
544 s = nm;
545 d = lnm;
546 #ifdef __WXMSW__
547 q = FALSE;
548 #else
549 q = nm[0] == wxT('\\') && nm[1] == wxT('~');
550 #endif
551
552 /* Expand inline environment variables */
553 #ifdef __VISAGECPP__
554 while (*d)
555 {
556 *d++ = *s;
557 if(*s == wxT('\\'))
558 {
559 *(d - 1) = *++s;
560 if (*d)
561 {
562 s++;
563 continue;
564 }
565 else
566 break;
567 }
568 else
569 #else
570 while ((*d++ = *s) != 0) {
571 # ifndef __WXMSW__
572 if (*s == wxT('\\')) {
573 if ((*(d - 1) = *++s)) {
574 s++;
575 continue;
576 } else
577 break;
578 } else
579 # endif
580 #endif
581 #ifdef __WXMSW__
582 if (*s++ == wxT('$') && (*s == wxT('{') || *s == wxT(')')))
583 #else
584 if (*s++ == wxT('$'))
585 #endif
586 {
587 register wxChar *start = d;
588 register int braces = (*s == wxT('{') || *s == wxT('('));
589 register wxChar *value;
590 while ((*d++ = *s) != 0)
591 if (braces ? (*s == wxT('}') || *s == wxT(')')) : !(wxIsalnum(*s) || *s == wxT('_')) )
592 break;
593 else
594 s++;
595 *--d = 0;
596 value = wxGetenv(braces ? start + 1 : start);
597 if (value) {
598 for ((d = start - 1); (*d++ = *value++) != 0;);
599 d--;
600 if (braces && *s)
601 s++;
602 }
603 }
604 }
605
606 /* Expand ~ and ~user */
607 nm = lnm;
608 if (nm[0] == wxT('~') && !q)
609 {
610 /* prefix ~ */
611 if (nm[1] == SEP || nm[1] == 0)
612 { /* ~/filename */
613 // FIXME: wxGetUserHome could return temporary storage in Unicode mode
614 if ((s = WXSTRINGCAST wxGetUserHome(wxT(""))) != NULL) {
615 if (*++nm)
616 nm++;
617 }
618 } else
619 { /* ~user/filename */
620 register wxChar *nnm;
621 register wxChar *home;
622 for (s = nm; *s && *s != SEP; s++);
623 int was_sep; /* MATTHEW: Was there a separator, or NULL? */
624 was_sep = (*s == SEP);
625 nnm = *s ? s + 1 : s;
626 *s = 0;
627 // FIXME: wxGetUserHome could return temporary storage in Unicode mode
628 if ((home = WXSTRINGCAST wxGetUserHome(wxString(nm + 1))) == NULL) {
629 if (was_sep) /* replace only if it was there: */
630 *s = SEP;
631 s = NULL;
632 } else {
633 nm = nnm;
634 s = home;
635 }
636 }
637 }
638
639 d = buf;
640 if (s && *s) { /* MATTHEW: s could be NULL if user '~' didn't exist */
641 /* Copy home dir */
642 while (wxT('\0') != (*d++ = *s++))
643 /* loop */;
644 // Handle root home
645 if (d - 1 > buf && *(d - 2) != SEP)
646 *(d - 1) = SEP;
647 }
648 s = nm;
649 while ((*d++ = *s++) != 0);
650 delete[] nm_tmp; // clean up alloc
651 /* Now clean up the buffer */
652 return wxRealPath(buf);
653 }
654
655 /* Contract Paths to be build upon an environment variable
656 component:
657
658 example: "/usr/openwin/lib", OPENWINHOME --> ${OPENWINHOME}/lib
659
660 The call wxExpandPath can convert these back!
661 */
662 wxChar *
663 wxContractPath (const wxString& filename, const wxString& envname, const wxString& user)
664 {
665 static wxChar dest[_MAXPATHLEN];
666
667 if (filename == wxT(""))
668 return (wxChar *) NULL;
669
670 wxStrcpy (dest, WXSTRINGCAST filename);
671 #ifdef __WXMSW__
672 Unix2DosFilename(dest);
673 #endif
674
675 // Handle environment
676 const wxChar *val = (const wxChar *) NULL;
677 wxChar *tcp = (wxChar *) NULL;
678 if (envname != WXSTRINGCAST NULL && (val = wxGetenv (WXSTRINGCAST envname)) != NULL &&
679 (tcp = wxStrstr (dest, val)) != NULL)
680 {
681 wxStrcpy (wxFileFunctionsBuffer, tcp + wxStrlen (val));
682 *tcp++ = wxT('$');
683 *tcp++ = wxT('{');
684 wxStrcpy (tcp, WXSTRINGCAST envname);
685 wxStrcat (tcp, wxT("}"));
686 wxStrcat (tcp, wxFileFunctionsBuffer);
687 }
688
689 // Handle User's home (ignore root homes!)
690 size_t len = 0;
691 if ((val = wxGetUserHome (user)) != NULL &&
692 (len = wxStrlen(val)) > 2 &&
693 wxStrncmp(dest, val, len) == 0)
694 {
695 wxStrcpy(wxFileFunctionsBuffer, wxT("~"));
696 if (user != wxT(""))
697 wxStrcat(wxFileFunctionsBuffer, (const wxChar*) user);
698 wxStrcat(wxFileFunctionsBuffer, dest + len);
699 wxStrcpy (dest, wxFileFunctionsBuffer);
700 }
701
702 return dest;
703 }
704
705 // Return just the filename, not the path (basename)
706 wxChar *wxFileNameFromPath (wxChar *path)
707 {
708 wxString p = path;
709 wxString n = wxFileNameFromPath(p);
710
711 return path + p.length() - n.length();
712 }
713
714 wxString wxFileNameFromPath (const wxString& path)
715 {
716 wxString name, ext;
717 wxFileName::SplitPath(path, NULL, &name, &ext);
718
719 wxString fullname = name;
720 if ( !ext.empty() )
721 {
722 fullname << wxFILE_SEP_EXT << ext;
723 }
724
725 return fullname;
726 }
727
728 // Return just the directory, or NULL if no directory
729 wxChar *
730 wxPathOnly (wxChar *path)
731 {
732 if (path && *path)
733 {
734 static wxChar buf[_MAXPATHLEN];
735
736 // Local copy
737 wxStrcpy (buf, path);
738
739 int l = wxStrlen(path);
740 int i = l - 1;
741
742 // Search backward for a backward or forward slash
743 while (i > -1)
744 {
745 #if defined(__WXMAC__) && !defined(__DARWIN__)
746 // Classic or Carbon CodeWarrior like
747 // Carbon with Apple DevTools is Unix like
748 if (path[i] == wxT(':') )
749 {
750 buf[i] = 0;
751 return buf;
752 }
753 #else
754 // Unix like or Windows
755 if (path[i] == wxT('/') || path[i] == wxT('\\'))
756 {
757 buf[i] = 0;
758 return buf;
759 }
760 #endif
761 #ifdef __VMS__
762 if (path[i] == wxT(']'))
763 {
764 buf[i+1] = 0;
765 return buf;
766 }
767 #endif
768 i --;
769 }
770
771 #if defined(__WXMSW__) || defined(__WXPM__)
772 // Try Drive specifier
773 if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
774 {
775 // A:junk --> A:. (since A:.\junk Not A:\junk)
776 buf[2] = wxT('.');
777 buf[3] = wxT('\0');
778 return buf;
779 }
780 #endif
781 }
782 return (wxChar *) NULL;
783 }
784
785 // Return just the directory, or NULL if no directory
786 wxString wxPathOnly (const wxString& path)
787 {
788 if (path != wxT(""))
789 {
790 wxChar buf[_MAXPATHLEN];
791
792 // Local copy
793 wxStrcpy (buf, WXSTRINGCAST path);
794
795 int l = path.Length();
796 int i = l - 1;
797
798 // Search backward for a backward or forward slash
799 while (i > -1)
800 {
801 #if defined(__WXMAC__) && !defined(__DARWIN__)
802 // Classic or Carbon CodeWarrior like
803 // Carbon with Apple DevTools is Unix like
804 if (path[i] == wxT(':') )
805 {
806 buf[i] = 0;
807 return wxString(buf);
808 }
809 #else
810 // Unix like or Windows
811 if (path[i] == wxT('/') || path[i] == wxT('\\'))
812 {
813 buf[i] = 0;
814 return wxString(buf);
815 }
816 #endif
817 #ifdef __VMS__
818 if (path[i] == wxT(']'))
819 {
820 buf[i+1] = 0;
821 return wxString(buf);
822 }
823 #endif
824 i --;
825 }
826
827 #if defined(__WXMSW__) || defined(__WXPM__)
828 // Try Drive specifier
829 if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
830 {
831 // A:junk --> A:. (since A:.\junk Not A:\junk)
832 buf[2] = wxT('.');
833 buf[3] = wxT('\0');
834 return wxString(buf);
835 }
836 #endif
837 }
838 return wxString(wxT(""));
839 }
840
841 // Utility for converting delimiters in DOS filenames to UNIX style
842 // and back again - or we get nasty problems with delimiters.
843 // Also, convert to lower case, since case is significant in UNIX.
844
845 #if defined(__WXMAC__)
846 wxString wxMacFSSpec2MacFilename( const FSSpec *spec )
847 {
848 #ifdef __DARWIN__
849 int i;
850 int j;
851 OSErr theErr;
852 OSStatus theStatus;
853 Boolean isDirectory = false;
854 Str255 theParentPath = "\p";
855 FSSpec theParentSpec;
856 FSRef theParentRef;
857 char theFileName[FILENAME_MAX];
858 char thePath[FILENAME_MAX];
859
860 strcpy(thePath, "");
861
862 // GD: Separate file name from path and make a FSRef to the parent
863 // directory. This is necessary since FSRefs cannot reference files
864 // that have not yet been created.
865 // Based on example code from Apple Technical Note TN2022
866 // http://developer.apple.com/technotes/tn/tn2022.html
867
868 // check whether we are converting a directory
869 isDirectory = ((spec->name)[spec->name[0]] == ':');
870 // count length of file name
871 for (i = spec->name[0] - (isDirectory ? 1 : 0); ((spec->name[i] != ':') && (i > 0)); i--);
872 // copy file name
873 // prepend path separator since it will later be appended to the path
874 theFileName[0] = wxFILE_SEP_PATH;
875 for (j = i + 1; j <= spec->name[0] - (isDirectory ? 1 : 0); j++) {
876 theFileName[j - i] = spec->name[j];
877 }
878 theFileName[j - i] = '\0';
879 // copy path if any
880 for (j = 1; j <= i; j++) {
881 theParentPath[++theParentPath[0]] = spec->name[j];
882 }
883 theErr = FSMakeFSSpec(spec->vRefNum, spec->parID, theParentPath, &theParentSpec);
884 if (theErr == noErr) {
885 // convert the FSSpec to an FSRef
886 theErr = FSpMakeFSRef(&theParentSpec, &theParentRef);
887 }
888 if (theErr == noErr) {
889 // get the POSIX path associated with the FSRef
890 theStatus = FSRefMakePath(&theParentRef,
891 (UInt8 *)thePath, sizeof(thePath));
892 }
893 if (theStatus == noErr) {
894 // append file name to path
895 // includes previously prepended path separator
896 strcat(thePath, theFileName);
897 }
898
899 // create path string for return value
900 wxString result( thePath ) ;
901 #else
902 Handle myPath ;
903 short length ;
904
905 // get length of path and allocate handle
906 FSpGetFullPath( spec , &length , &myPath ) ;
907 ::SetHandleSize( myPath , length + 1 ) ;
908 ::HLock( myPath ) ;
909 (*myPath)[length] = 0 ;
910 if ((length > 0) && ((*myPath)[length-1] == ':'))
911 (*myPath)[length-1] = 0 ;
912
913 // create path string for return value
914 wxString result( (char*) *myPath ) ;
915
916 // free allocated handle
917 ::HUnlock( myPath ) ;
918 ::DisposeHandle( myPath ) ;
919 #endif
920
921 return result ;
922 }
923
924 void wxMacFilename2FSSpec( const char *path , FSSpec *spec )
925 {
926 #ifdef __DARWIN__
927 FSRef theRef;
928
929 // get the FSRef associated with the POSIX path
930 (void) FSPathMakeRef((const UInt8 *) path, &theRef, NULL);
931 // convert the FSRef to an FSSpec
932 (void) FSGetCatalogInfo(&theRef, kFSCatInfoNone, NULL, NULL, spec, NULL);
933 #else
934 FSpLocationFromFullPath( strlen(path) , path , spec ) ;
935 #endif
936 }
937
938 #ifndef __DARWIN__
939 // Mac file names are POSIX (Unix style) under Darwin
940 // therefore the conversion functions below are not needed
941
942 static char sMacFileNameConversion[ 1000 ] ;
943
944 wxString wxMac2UnixFilename (const char *str)
945 {
946 char *s = sMacFileNameConversion ;
947 strcpy( s , str ) ;
948 if (s)
949 {
950 memmove( s+1 , s ,strlen( s ) + 1) ;
951 if ( *s == ':' )
952 *s = '.' ;
953 else
954 *s = '/' ;
955
956 while (*s)
957 {
958 if (*s == ':')
959 *s = '/';
960 else
961 *s = wxTolower(*s); // Case INDEPENDENT
962 s++;
963 }
964 }
965 return wxString(sMacFileNameConversion) ;
966 }
967
968 wxString wxUnix2MacFilename (const char *str)
969 {
970 char *s = sMacFileNameConversion ;
971 strcpy( s , str ) ;
972 if (s)
973 {
974 if ( *s == '.' )
975 {
976 // relative path , since it goes on with slash which is translated to a :
977 memmove( s , s+1 ,strlen( s ) ) ;
978 }
979 else if ( *s == '/' )
980 {
981 // absolute path -> on mac just start with the drive name
982 memmove( s , s+1 ,strlen( s ) ) ;
983 }
984 else
985 {
986 wxASSERT_MSG( 1 , "unkown path beginning" ) ;
987 }
988 while (*s)
989 {
990 if (*s == '/' || *s == '\\')
991 {
992 // convert any back-directory situations
993 if ( *(s+1) == '.' && *(s+2) == '.' && ( (*(s+3) == '/' || *(s+3) == '\\') ) )
994 {
995 *s = ':';
996 memmove( s+1 , s+3 ,strlen( s+3 ) + 1 ) ;
997 }
998 else
999 *s = ':';
1000 }
1001 s++ ;
1002 }
1003 }
1004 return wxString (sMacFileNameConversion) ;
1005 }
1006
1007 wxString wxMacFSSpec2UnixFilename( const FSSpec *spec )
1008 {
1009 return wxMac2UnixFilename( wxMacFSSpec2MacFilename( spec) ) ;
1010 }
1011
1012 void wxUnixFilename2FSSpec( const char *path , FSSpec *spec )
1013 {
1014 wxString var = wxUnix2MacFilename( path ) ;
1015 wxMacFilename2FSSpec( var , spec ) ;
1016 }
1017 #endif // ! __DARWIN__
1018
1019 #endif // __WXMAC__
1020
1021 void
1022 wxDos2UnixFilename (char *s)
1023 {
1024 if (s)
1025 while (*s)
1026 {
1027 if (*s == '\\')
1028 *s = '/';
1029 #ifdef __WXMSW__
1030 else
1031 *s = wxTolower (*s); // Case INDEPENDENT
1032 #endif
1033 s++;
1034 }
1035 }
1036
1037 void
1038 #if defined(__WXMSW__) || defined(__WXPM__)
1039 wxUnix2DosFilename (wxChar *s)
1040 #else
1041 wxUnix2DosFilename (wxChar *WXUNUSED(s) )
1042 #endif
1043 {
1044 // Yes, I really mean this to happen under DOS only! JACS
1045 #if defined(__WXMSW__) || defined(__WXPM__)
1046 if (s)
1047 while (*s)
1048 {
1049 if (*s == wxT('/'))
1050 *s = wxT('\\');
1051 s++;
1052 }
1053 #endif
1054 }
1055
1056 // Concatenate two files to form third
1057 bool
1058 wxConcatFiles (const wxString& file1, const wxString& file2, const wxString& file3)
1059 {
1060 wxString outfile;
1061 if ( !wxGetTempFileName("cat", outfile) )
1062 return FALSE;
1063
1064 FILE *fp1 = (FILE *) NULL;
1065 FILE *fp2 = (FILE *) NULL;
1066 FILE *fp3 = (FILE *) NULL;
1067 // Open the inputs and outputs
1068 if ((fp1 = wxFopen ( file1, wxT("rb"))) == NULL ||
1069 (fp2 = wxFopen ( file2, wxT("rb"))) == NULL ||
1070 (fp3 = wxFopen ( outfile, wxT("wb"))) == NULL)
1071 {
1072 if (fp1)
1073 fclose (fp1);
1074 if (fp2)
1075 fclose (fp2);
1076 if (fp3)
1077 fclose (fp3);
1078 return FALSE;
1079 }
1080
1081 int ch;
1082 while ((ch = getc (fp1)) != EOF)
1083 (void) putc (ch, fp3);
1084 fclose (fp1);
1085
1086 while ((ch = getc (fp2)) != EOF)
1087 (void) putc (ch, fp3);
1088 fclose (fp2);
1089
1090 fclose (fp3);
1091 bool result = wxRenameFile(outfile, file3);
1092 return result;
1093 }
1094
1095 // Copy files
1096 bool
1097 wxCopyFile (const wxString& file1, const wxString& file2, bool overwrite)
1098 {
1099 #if defined(__WIN32__) && !defined(__WXMICROWIN__)
1100 // CopyFile() copies file attributes and modification time too, so use it
1101 // instead of our code if available
1102 //
1103 // NB: 3rd parameter is bFailIfExists i.e. the inverse of overwrite
1104 if ( !::CopyFile(file1, file2, !overwrite) )
1105 {
1106 wxLogSysError(_("Failed to copy the file '%s' to '%s'"),
1107 file1.c_str(), file2.c_str());
1108
1109 return FALSE;
1110 }
1111 #elif defined(__WXPM__)
1112 if ( ::DosCopy(file2, file2, overwrite ? DCPY_EXISTING : 0) != 0 )
1113 return FALSE;
1114 #else // !Win32
1115 wxStructStat fbuf;
1116
1117 // get permissions of file1
1118 if ( wxStat( file1, &fbuf) != 0 )
1119 {
1120 // the file probably doesn't exist or we haven't the rights to read
1121 // from it anyhow
1122 wxLogSysError(_("Impossible to get permissions for file '%s'"),
1123 file1.c_str());
1124 return FALSE;
1125 }
1126
1127 // open file1 for reading
1128 wxFile fileIn(file1, wxFile::read);
1129 if ( !fileIn.IsOpened() )
1130 return FALSE;
1131
1132 // remove file2, if it exists. This is needed for creating
1133 // file2 with the correct permissions in the next step
1134 if ( wxFileExists(file2) && (!overwrite || !wxRemoveFile(file2)))
1135 {
1136 wxLogSysError(_("Impossible to overwrite the file '%s'"),
1137 file2.c_str());
1138 return FALSE;
1139 }
1140
1141 #ifdef __UNIX__
1142 // reset the umask as we want to create the file with exactly the same
1143 // permissions as the original one
1144 mode_t oldUmask = umask( 0 );
1145 #endif // __UNIX__
1146
1147 // create file2 with the same permissions than file1 and open it for
1148 // writing
1149 wxFile fileOut;
1150 if ( !fileOut.Create(file2, overwrite, fbuf.st_mode & 0777) )
1151 return FALSE;
1152
1153 #ifdef __UNIX__
1154 /// restore the old umask
1155 umask(oldUmask);
1156 #endif // __UNIX__
1157
1158 // copy contents of file1 to file2
1159 char buf[4096];
1160 size_t count;
1161 for ( ;; )
1162 {
1163 count = fileIn.Read(buf, WXSIZEOF(buf));
1164 if ( fileIn.Error() )
1165 return FALSE;
1166
1167 // end of file?
1168 if ( !count )
1169 break;
1170
1171 if ( fileOut.Write(buf, count) < count )
1172 return FALSE;
1173 }
1174
1175 // we can expect fileIn to be closed successfully, but we should ensure
1176 // that fileOut was closed as some write errors (disk full) might not be
1177 // detected before doing this
1178 if ( !fileIn.Close() || !fileOut.Close() )
1179 return FALSE;
1180
1181 #if !defined(__VISAGECPP__) && !defined(__WXMAC__) || defined(__UNIX__)
1182 // no chmod in VA. Should be some permission API for HPFS386 partitions
1183 // however
1184 if ( chmod(OS_FILENAME(file2), fbuf.st_mode) != 0 )
1185 {
1186 wxLogSysError(_("Impossible to set permissions for the file '%s'"),
1187 file2.c_str());
1188 return FALSE;
1189 }
1190 #endif // OS/2 || Mac
1191 #endif // __WXMSW__ && __WIN32__
1192
1193 return TRUE;
1194 }
1195
1196 bool
1197 wxRenameFile (const wxString& file1, const wxString& file2)
1198 {
1199 // Normal system call
1200 if ( wxRename (file1, file2) == 0 )
1201 return TRUE;
1202
1203 // Try to copy
1204 if (wxCopyFile(file1, file2)) {
1205 wxRemoveFile(file1);
1206 return TRUE;
1207 }
1208 // Give up
1209 return FALSE;
1210 }
1211
1212 bool wxRemoveFile(const wxString& file)
1213 {
1214 #if defined(__VISUALC__) \
1215 || defined(__BORLANDC__) \
1216 || defined(__WATCOMC__) \
1217 || defined(__GNUWIN32__)
1218 int res = wxRemove(file);
1219 #else
1220 int res = unlink(OS_FILENAME(file));
1221 #endif
1222
1223 return res == 0;
1224 }
1225
1226 bool wxMkdir(const wxString& dir, int perm)
1227 {
1228 #if defined(__WXMAC__) && !defined(__UNIX__)
1229 return (mkdir( dir , 0 ) == 0);
1230 #else // !Mac
1231 const wxChar *dirname = dir.c_str();
1232
1233 // assume mkdir() has 2 args on non Windows-OS/2 platforms and on Windows too
1234 // for the GNU compiler
1235 #if (!(defined(__WXMSW__) || defined(__WXPM__) || defined(__DOS__))) || (defined(__GNUWIN32__) && !defined(__MINGW32__)) || defined(__WXWINE__) || defined(__WXMICROWIN__)
1236 if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1237 #elif defined(__WXPM__)
1238 if (::DosCreateDir((PSZ)dirname, NULL) != 0) // enhance for EAB's??
1239 #elif defined(__DOS__)
1240 #if defined(__WATCOMC__)
1241 (void)perm;
1242 if ( wxMkDir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
1243 #elif defined(__DJGPP__)
1244 if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1245 #else
1246 #error "Unsupported DOS compiler!"
1247 #endif
1248 #else // !MSW, !DOS and !OS/2 VAC++
1249 (void)perm;
1250 if ( wxMkDir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
1251 #endif // !MSW/MSW
1252 {
1253 wxLogSysError(_("Directory '%s' couldn't be created"), dirname);
1254
1255 return FALSE;
1256 }
1257
1258 return TRUE;
1259 #endif // Mac/!Mac
1260 }
1261
1262 bool wxRmdir(const wxString& dir, int WXUNUSED(flags))
1263 {
1264 #ifdef __VMS__
1265 return FALSE; //to be changed since rmdir exists in VMS7.x
1266 #elif defined(__WXPM__)
1267 return (::DosDeleteDir((PSZ)dir.c_str()) == 0);
1268 #else
1269
1270 #ifdef __SALFORDC__
1271 return FALSE; // What to do?
1272 #else
1273 return (wxRmDir(OS_FILENAME(dir)) == 0);
1274 #endif
1275
1276 #endif
1277 }
1278
1279 // does the path exists? (may have or not '/' or '\\' at the end)
1280 bool wxPathExists(const wxChar *pszPathName)
1281 {
1282 wxString strPath(pszPathName);
1283
1284 #ifdef __WINDOWS__
1285 // Windows fails to find directory named "c:\dir\" even if "c:\dir" exists,
1286 // so remove all trailing backslashes from the path - but don't do this for
1287 // the pathes "d:\" (which are different from "d:") nor for just "\"
1288 while ( wxEndsWithPathSeparator(strPath) )
1289 {
1290 size_t len = strPath.length();
1291 if ( len == 1 || (len == 3 && strPath[len - 2] == _T(':')) )
1292 break;
1293
1294 strPath.Truncate(len - 1);
1295 }
1296 #endif // __WINDOWS__
1297
1298 #if defined(__WIN32__) && !defined(__WXMICROWIN__)
1299 // stat() can't cope with network paths
1300 DWORD ret = ::GetFileAttributes(strPath);
1301
1302 return (ret != (DWORD)-1) && (ret & FILE_ATTRIBUTE_DIRECTORY);
1303 #else // !__WIN32__
1304
1305 wxStructStat st;
1306 #ifndef __VISAGECPP__
1307 return wxStat(pszPathName, &st) == 0 && ((st.st_mode & S_IFMT) == S_IFDIR);
1308 #else
1309 // S_IFMT not supported in VA compilers.. st_mode is a 2byte value only
1310 return wxStat(pszPathName, &st) == 0 && (st.st_mode == S_IFDIR);
1311 #endif
1312
1313 #endif // __WIN32__/!__WIN32__
1314 }
1315
1316 // Get a temporary filename, opening and closing the file.
1317 wxChar *wxGetTempFileName(const wxString& prefix, wxChar *buf)
1318 {
1319 wxString filename = wxFileName::CreateTempFileName(prefix);
1320 if ( filename.empty() )
1321 return NULL;
1322
1323 if ( buf )
1324 wxStrcpy(buf, filename);
1325 else
1326 buf = copystring(filename);
1327
1328 return buf;
1329 }
1330
1331 bool wxGetTempFileName(const wxString& prefix, wxString& buf)
1332 {
1333 buf = wxFileName::CreateTempFileName(prefix);
1334
1335 return !buf.empty();
1336 }
1337
1338 // Get first file name matching given wild card.
1339
1340 static wxDir *gs_dir = NULL;
1341 static wxString gs_dirPath;
1342
1343 wxString wxFindFirstFile(const wxChar *spec, int flags)
1344 {
1345 wxSplitPath(spec, &gs_dirPath, NULL, NULL);
1346 if ( gs_dirPath.IsEmpty() )
1347 gs_dirPath = wxT(".");
1348 if ( gs_dirPath.Last() != wxFILE_SEP_PATH )
1349 gs_dirPath << wxFILE_SEP_PATH;
1350
1351 if (gs_dir)
1352 delete gs_dir;
1353 gs_dir = new wxDir(gs_dirPath);
1354
1355 if ( !gs_dir->IsOpened() )
1356 {
1357 wxLogSysError(_("Can not enumerate files '%s'"), spec);
1358 return wxEmptyString;
1359 }
1360
1361 int dirFlags = 0;
1362 switch (flags)
1363 {
1364 case wxDIR: dirFlags = wxDIR_DIRS; break;
1365 case wxFILE: dirFlags = wxDIR_FILES; break;
1366 default: dirFlags = wxDIR_DIRS | wxDIR_FILES; break;
1367 }
1368
1369 wxString result;
1370 gs_dir->GetFirst(&result, wxFileNameFromPath(wxString(spec)), dirFlags);
1371 if ( result.IsEmpty() )
1372 {
1373 wxDELETE(gs_dir);
1374 return result;
1375 }
1376
1377 return gs_dirPath + result;
1378 }
1379
1380 wxString wxFindNextFile()
1381 {
1382 wxASSERT_MSG( gs_dir, wxT("You must call wxFindFirstFile before!") );
1383
1384 wxString result;
1385 gs_dir->GetNext(&result);
1386
1387 if ( result.IsEmpty() )
1388 {
1389 wxDELETE(gs_dir);
1390 return result;
1391 }
1392
1393 return gs_dirPath + result;
1394 }
1395
1396
1397 // Get current working directory.
1398 // If buf is NULL, allocates space using new, else
1399 // copies into buf.
1400 wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
1401 {
1402 if ( !buf )
1403 {
1404 buf = new wxChar[sz + 1];
1405 }
1406
1407 bool ok = FALSE;
1408
1409 // for the compilers which have Unicode version of _getcwd(), call it
1410 // directly, for the others call the ANSI version and do the translation
1411 #if !wxUSE_UNICODE
1412 #define cbuf buf
1413 #else // wxUSE_UNICODE
1414 bool needsANSI = TRUE;
1415
1416 #if !defined(HAVE_WGETCWD) || wxUSE_UNICODE_MSLU
1417 wxCharBuffer c_buffer(sz);
1418 char *cbuf = (char*)(const char*)c_buffer;
1419 #endif
1420
1421 #ifdef HAVE_WGETCWD
1422 #if wxUSE_UNICODE_MSLU
1423 if ( wxGetOsVersion() != wxWIN95 )
1424 #else
1425 char *cbuf = NULL; // never really used because needsANSI will always be FALSE
1426 #endif
1427 {
1428 ok = _wgetcwd(buf, sz) != NULL;
1429 needsANSI = FALSE;
1430 }
1431 #endif
1432
1433 if ( needsANSI )
1434 #endif // wxUSE_UNICODE
1435 {
1436 #ifdef _MSC_VER
1437 ok = _getcwd(cbuf, sz) != NULL;
1438 #elif defined(__WXMAC__) && !defined(__DARWIN__)
1439 FSSpec cwdSpec ;
1440 FCBPBRec pb;
1441 OSErr error;
1442 Str255 fileName ;
1443 pb.ioNamePtr = (StringPtr) &fileName;
1444 pb.ioVRefNum = 0;
1445 pb.ioRefNum = LMGetCurApRefNum();
1446 pb.ioFCBIndx = 0;
1447 error = PBGetFCBInfoSync(&pb);
1448 if ( error == noErr )
1449 {
1450 cwdSpec.vRefNum = pb.ioFCBVRefNum;
1451 cwdSpec.parID = pb.ioFCBParID;
1452 cwdSpec.name[0] = 0 ;
1453 wxString res = wxMacFSSpec2MacFilename( &cwdSpec ) ;
1454
1455 strcpy( cbuf , res ) ;
1456 cbuf[res.length()]=0 ;
1457
1458 ok = TRUE;
1459 }
1460 else
1461 {
1462 ok = FALSE;
1463 }
1464 #elif defined(__VISAGECPP__) || (defined (__OS2__) && defined (__WATCOMC__))
1465 APIRET rc;
1466 rc = ::DosQueryCurrentDir( 0 // current drive
1467 ,cbuf
1468 ,(PULONG)&sz
1469 );
1470 ok = rc != 0;
1471 #else // !Win32/VC++ !Mac !OS2
1472 ok = getcwd(cbuf, sz) != NULL;
1473 #endif // platform
1474
1475 #if wxUSE_UNICODE
1476 // finally convert the result to Unicode if needed
1477 wxConvFile.MB2WC(buf, cbuf, sz);
1478 #endif // wxUSE_UNICODE
1479 }
1480
1481 if ( !ok )
1482 {
1483 wxLogSysError(_("Failed to get the working directory"));
1484
1485 // VZ: the old code used to return "." on error which didn't make any
1486 // sense at all to me - empty string is a better error indicator
1487 // (NULL might be even better but I'm afraid this could lead to
1488 // problems with the old code assuming the return is never NULL)
1489 buf[0] = _T('\0');
1490 }
1491 else // ok, but we might need to massage the path into the right format
1492 {
1493 #ifdef __DJGPP__
1494 // VS: DJGPP is a strange mix of DOS and UNIX API and returns paths
1495 // with / deliminers. We don't like that.
1496 for (wxChar *ch = buf; *ch; ch++)
1497 {
1498 if (*ch == wxT('/'))
1499 *ch = wxT('\\');
1500 }
1501 #endif // __DJGPP__
1502
1503 // MBN: we hope that in the case the user is compiling a GTK+/Motif app,
1504 // he needs Unix as opposed to Win32 pathnames
1505 #if defined( __CYGWIN__ ) && defined( __WINDOWS__ )
1506 // another example of DOS/Unix mix (Cygwin)
1507 wxString pathUnix = buf;
1508 cygwin_conv_to_full_win32_path(pathUnix, buf);
1509 #endif // __CYGWIN__
1510 }
1511
1512 return buf;
1513
1514 #if !wxUSE_UNICODE
1515 #undef cbuf
1516 #endif
1517 }
1518
1519 wxString wxGetCwd()
1520 {
1521 wxString str;
1522
1523 // we can't create wxStringBuffer object inline: Sun CC generates buggy
1524 // code in this case!
1525 {
1526 wxStringBuffer buf(str, _MAXPATHLEN);
1527 wxGetWorkingDirectory(buf, _MAXPATHLEN);
1528 }
1529
1530 return str;
1531 }
1532
1533 bool wxSetWorkingDirectory(const wxString& d)
1534 {
1535 #if defined(__UNIX__) || defined(__WXMAC__) || defined(__DOS__)
1536 return (chdir(wxFNSTRINGCAST d.fn_str()) == 0);
1537 #elif defined(__WXPM__)
1538 return (::DosSetCurrentDir((PSZ)d.c_str()) == 0);
1539 #elif defined(__WINDOWS__)
1540
1541 #ifdef __WIN32__
1542 return (bool)(SetCurrentDirectory(d) != 0);
1543 #else
1544 // Must change drive, too.
1545 bool isDriveSpec = ((strlen(d) > 1) && (d[1] == ':'));
1546 if (isDriveSpec)
1547 {
1548 wxChar firstChar = d[0];
1549
1550 // To upper case
1551 if (firstChar > 90)
1552 firstChar = firstChar - 32;
1553
1554 // To a drive number
1555 unsigned int driveNo = firstChar - 64;
1556 if (driveNo > 0)
1557 {
1558 unsigned int noDrives;
1559 _dos_setdrive(driveNo, &noDrives);
1560 }
1561 }
1562 bool success = (chdir(WXSTRINGCAST d) == 0);
1563
1564 return success;
1565 #endif
1566
1567 #endif
1568 }
1569
1570 // Get the OS directory if appropriate (such as the Windows directory).
1571 // On non-Windows platform, probably just return the empty string.
1572 wxString wxGetOSDirectory()
1573 {
1574 #if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
1575 wxChar buf[256];
1576 GetWindowsDirectory(buf, 256);
1577 return wxString(buf);
1578 #else
1579 return wxEmptyString;
1580 #endif
1581 }
1582
1583 bool wxEndsWithPathSeparator(const wxChar *pszFileName)
1584 {
1585 size_t len = wxStrlen(pszFileName);
1586
1587 return len && wxIsPathSeparator(pszFileName[len - 1]);
1588 }
1589
1590 // find a file in a list of directories, returns false if not found
1591 bool wxFindFileInPath(wxString *pStr, const wxChar *pszPath, const wxChar *pszFile)
1592 {
1593 // we assume that it's not empty
1594 wxCHECK_MSG( !wxIsEmpty(pszFile), FALSE,
1595 _T("empty file name in wxFindFileInPath"));
1596
1597 // skip path separator in the beginning of the file name if present
1598 if ( wxIsPathSeparator(*pszFile) )
1599 pszFile++;
1600
1601 // copy the path (strtok will modify it)
1602 wxChar *szPath = new wxChar[wxStrlen(pszPath) + 1];
1603 wxStrcpy(szPath, pszPath);
1604
1605 wxString strFile;
1606 wxChar *pc, *save_ptr;
1607 for ( pc = wxStrtok(szPath, wxPATH_SEP, &save_ptr);
1608 pc != NULL;
1609 pc = wxStrtok((wxChar *) NULL, wxPATH_SEP, &save_ptr) )
1610 {
1611 // search for the file in this directory
1612 strFile = pc;
1613 if ( !wxEndsWithPathSeparator(pc) )
1614 strFile += wxFILE_SEP_PATH;
1615 strFile += pszFile;
1616
1617 if ( FileExists(strFile) ) {
1618 *pStr = strFile;
1619 break;
1620 }
1621 }
1622
1623 // suppress warning about unused variable save_ptr when wxStrtok() is a
1624 // macro which throws away its third argument
1625 save_ptr = pc;
1626
1627 delete [] szPath;
1628
1629 return pc != NULL; // if true => we breaked from the loop
1630 }
1631
1632 void WXDLLEXPORT wxSplitPath(const wxChar *pszFileName,
1633 wxString *pstrPath,
1634 wxString *pstrName,
1635 wxString *pstrExt)
1636 {
1637 // it can be empty, but it shouldn't be NULL
1638 wxCHECK_RET( pszFileName, wxT("NULL file name in wxSplitPath") );
1639
1640 wxFileName::SplitPath(pszFileName, pstrPath, pstrName, pstrExt);
1641 }
1642
1643 time_t WXDLLEXPORT wxFileModificationTime(const wxString& filename)
1644 {
1645 wxStructStat buf;
1646 wxStat( filename, &buf);
1647
1648 return buf.st_mtime;
1649 }
1650
1651
1652 //------------------------------------------------------------------------
1653 // wild character routines
1654 //------------------------------------------------------------------------
1655
1656 bool wxIsWild( const wxString& pattern )
1657 {
1658 wxString tmp = pattern;
1659 wxChar *pat = WXSTRINGCAST(tmp);
1660 while (*pat) {
1661 switch (*pat++) {
1662 case wxT('?'): case wxT('*'): case wxT('['): case wxT('{'):
1663 return TRUE;
1664 case wxT('\\'):
1665 if (!*pat++)
1666 return FALSE;
1667 }
1668 }
1669 return FALSE;
1670 };
1671
1672 bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
1673
1674 #ifdef HAVE_FNMATCH
1675 {
1676 // this probably won't work well for multibyte chars in Unicode mode?
1677 if(dot_special)
1678 return fnmatch(pat.fn_str(), text.fn_str(), FNM_PERIOD) == 0;
1679 else
1680 return fnmatch(pat.fn_str(), text.fn_str(), 0) == 0;
1681 }
1682 #else // !HAVE_FNMATCH
1683
1684 // #pragma error Broken implementation of wxMatchWild() -- needs fixing!
1685
1686 /*
1687 * WARNING: this code is broken!
1688 */
1689 {
1690 wxString tmp1 = pat;
1691 wxChar *pattern = WXSTRINGCAST(tmp1);
1692 wxString tmp2 = text;
1693 wxChar *str = WXSTRINGCAST(tmp2);
1694 wxChar c;
1695 wxChar *cp;
1696 bool done = FALSE, ret_code, ok;
1697 // Below is for vi fans
1698 const wxChar OB = wxT('{'), CB = wxT('}');
1699
1700 // dot_special means '.' only matches '.'
1701 if (dot_special && *str == wxT('.') && *pattern != *str)
1702 return FALSE;
1703
1704 while ((*pattern != wxT('\0')) && (!done)
1705 && (((*str==wxT('\0'))&&((*pattern==OB)||(*pattern==wxT('*'))))||(*str!=wxT('\0')))) {
1706 switch (*pattern) {
1707 case wxT('\\'):
1708 pattern++;
1709 if (*pattern != wxT('\0'))
1710 pattern++;
1711 break;
1712 case wxT('*'):
1713 pattern++;
1714 ret_code = FALSE;
1715 while ((*str!=wxT('\0'))
1716 && ((ret_code=wxMatchWild(pattern, str++, FALSE)) == 0))
1717 /*loop*/;
1718 if (ret_code) {
1719 while (*str != wxT('\0'))
1720 str++;
1721 while (*pattern != wxT('\0'))
1722 pattern++;
1723 }
1724 break;
1725 case wxT('['):
1726 pattern++;
1727 repeat:
1728 if ((*pattern == wxT('\0')) || (*pattern == wxT(']'))) {
1729 done = TRUE;
1730 break;
1731 }
1732 if (*pattern == wxT('\\')) {
1733 pattern++;
1734 if (*pattern == wxT('\0')) {
1735 done = TRUE;
1736 break;
1737 }
1738 }
1739 if (*(pattern + 1) == wxT('-')) {
1740 c = *pattern;
1741 pattern += 2;
1742 if (*pattern == wxT(']')) {
1743 done = TRUE;
1744 break;
1745 }
1746 if (*pattern == wxT('\\')) {
1747 pattern++;
1748 if (*pattern == wxT('\0')) {
1749 done = TRUE;
1750 break;
1751 }
1752 }
1753 if ((*str < c) || (*str > *pattern)) {
1754 pattern++;
1755 goto repeat;
1756 }
1757 } else if (*pattern != *str) {
1758 pattern++;
1759 goto repeat;
1760 }
1761 pattern++;
1762 while ((*pattern != wxT(']')) && (*pattern != wxT('\0'))) {
1763 if ((*pattern == wxT('\\')) && (*(pattern + 1) != wxT('\0')))
1764 pattern++;
1765 pattern++;
1766 }
1767 if (*pattern != wxT('\0')) {
1768 pattern++, str++;
1769 }
1770 break;
1771 case wxT('?'):
1772 pattern++;
1773 str++;
1774 break;
1775 case OB:
1776 pattern++;
1777 while ((*pattern != CB) && (*pattern != wxT('\0'))) {
1778 cp = str;
1779 ok = TRUE;
1780 while (ok && (*cp != wxT('\0')) && (*pattern != wxT('\0'))
1781 && (*pattern != wxT(',')) && (*pattern != CB)) {
1782 if (*pattern == wxT('\\'))
1783 pattern++;
1784 ok = (*pattern++ == *cp++);
1785 }
1786 if (*pattern == wxT('\0')) {
1787 ok = FALSE;
1788 done = TRUE;
1789 break;
1790 } else if (ok) {
1791 str = cp;
1792 while ((*pattern != CB) && (*pattern != wxT('\0'))) {
1793 if (*++pattern == wxT('\\')) {
1794 if (*++pattern == CB)
1795 pattern++;
1796 }
1797 }
1798 } else {
1799 while (*pattern!=CB && *pattern!=wxT(',') && *pattern!=wxT('\0')) {
1800 if (*++pattern == wxT('\\')) {
1801 if (*++pattern == CB || *pattern == wxT(','))
1802 pattern++;
1803 }
1804 }
1805 }
1806 if (*pattern != wxT('\0'))
1807 pattern++;
1808 }
1809 break;
1810 default:
1811 if (*str == *pattern) {
1812 str++, pattern++;
1813 } else {
1814 done = TRUE;
1815 }
1816 }
1817 }
1818 while (*pattern == wxT('*'))
1819 pattern++;
1820 return ((*str == wxT('\0')) && (*pattern == wxT('\0')));
1821 };
1822
1823 #endif // HAVE_FNMATCH/!HAVE_FNMATCH
1824
1825 #ifdef __VISUALC__
1826 #pragma warning(default:4706) // assignment within conditional expression
1827 #endif // VC++
wxWidgets (Impactor)