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Fixed __WXDEBUG__ references to use #ifdef rather than checking for it being greater...
[wxWidgets.git] / src / common / filefn.cpp
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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#ifndef WX_PRECOMP
33 #include "wx/defs.h"
34#endif
35
36#include "wx/utils.h"
37#include "wx/intl.h"
38
39// there are just too many of those...
40#ifdef __VISUALC__
41 #pragma warning(disable:4706) // assignment within conditional expression
42#endif // VC++
43
44#include <ctype.h>
45#include <stdio.h>
46#include <stdlib.h>
47#include <string.h>
48#if !defined(__WATCOMC__)
49 #if !(defined(_MSC_VER) && (_MSC_VER > 800))
50 #include <errno.h>
51 #endif
52#endif
53
54#include <time.h>
55
56#ifndef __MWERKS__
57 #include <sys/types.h>
58 #include <sys/stat.h>
59#else
60 #include <stat.h>
61 #include <unistd.h>
62#endif
63
64#ifdef __UNIX__
65 #include <unistd.h>
66 #include <dirent.h>
67#endif
68
69#ifdef __OS2__
70 #include <direct.h>
71 #include <process.h>
72#endif
73#ifdef __WINDOWS__
74#if !defined( __GNUWIN32__ ) && !defined( __MWERKS__ ) && !defined(__SALFORDC__)
75 #include <direct.h>
76 #include <dos.h>
77#endif // __WINDOWS__
78#endif // native Win compiler
79
80#ifdef __GNUWIN32__
81 #ifndef __TWIN32__
82 #include <sys/unistd.h>
83 #endif
84#endif
85
86#ifdef __BORLANDC__ // Please someone tell me which version of Borland needs
87 // this (3.1 I believe) and how to test for it.
88 // If this works for Borland 4.0 as well, then no worries.
89 #include <dir.h>
90#endif
91
92#ifdef __SALFORDC__
93 #include <dir.h>
94 #include <unix.h>
95#endif
96
97#include "wx/setup.h"
98#include "wx/log.h"
99
100// No, Cygwin doesn't appear to have fnmatch.h after all.
101#if defined(HAVE_FNMATCH_H)
102 #include "fnmatch.h"
103#endif
104
105#ifdef __WINDOWS__
106 #include "windows.h"
107#endif
108
109// ----------------------------------------------------------------------------
110// constants
111// ----------------------------------------------------------------------------
112
113#define _MAXPATHLEN 500
114
115#ifdef __WXMAC__
116 extern wxChar gwxMacFileName[] ;
117 extern wxChar gwxMacFileName2[] ;
118 extern wxChar gwxMacFileName3[] ;
119#endif
120
121#if !USE_SHARED_LIBRARIES
122 IMPLEMENT_DYNAMIC_CLASS(wxPathList, wxStringList)
123#endif
124
125// ----------------------------------------------------------------------------
126// private globals
127// ----------------------------------------------------------------------------
128
129static wxChar wxFileFunctionsBuffer[4*_MAXPATHLEN];
130
131// ============================================================================
132// implementation
133// ============================================================================
134
135void wxPathList::Add (const wxString& path)
136{
137 wxStringList::Add (WXSTRINGCAST path);
138}
139
140// Add paths e.g. from the PATH environment variable
141void wxPathList::AddEnvList (const wxString& envVariable)
142{
143 static const wxChar PATH_TOKS[] =
144#ifdef __WINDOWS__
145 wxT(" ;"); // Don't seperate with colon in DOS (used for drive)
146#else
147 wxT(" :;");
148#endif
149
150 wxChar *val = wxGetenv (WXSTRINGCAST envVariable);
151 if (val && *val)
152 {
153 wxChar *s = copystring (val);
154 wxChar *save_ptr, *token = wxStrtok (s, PATH_TOKS, &save_ptr);
155
156 if (token)
157 {
158 Add (copystring (token));
159 while (token)
160 {
161 if ((token = wxStrtok ((wxChar *) NULL, PATH_TOKS, &save_ptr)) != NULL)
162 Add (wxString(token));
163 }
164 }
165
166 // suppress warning about unused variable save_ptr when wxStrtok() is a
167 // macro which throws away its third argument
168 save_ptr = token;
169
170 delete [] s;
171 }
172}
173
174// Given a full filename (with path), ensure that that file can
175// be accessed again USING FILENAME ONLY by adding the path
176// to the list if not already there.
177void wxPathList::EnsureFileAccessible (const wxString& path)
178{
179 wxString path_only(wxPathOnly(path));
180 if ( !path_only.IsEmpty() )
181 {
182 if ( !Member(path_only) )
183 Add(path_only);
184 }
185}
186
187bool wxPathList::Member (const wxString& path)
188{
189 for (wxNode * node = First (); node != NULL; node = node->Next ())
190 {
191 wxString path2((wxChar *) node->Data ());
192 if (
193#if defined(__WINDOWS__) || defined(__VMS__) || defined (__WXMAC__)
194 // Case INDEPENDENT
195 path.CompareTo (path2, wxString::ignoreCase) == 0
196#else
197 // Case sensitive File System
198 path.CompareTo (path2) == 0
199#endif
200 )
201 return TRUE;
202 }
203 return FALSE;
204}
205
206wxString wxPathList::FindValidPath (const wxString& file)
207{
208 if (wxFileExists (wxExpandPath(wxFileFunctionsBuffer, file)))
209 return wxString(wxFileFunctionsBuffer);
210
211 wxChar buf[_MAXPATHLEN];
212 wxStrcpy(buf, wxFileFunctionsBuffer);
213
214 wxChar *filename = (wxChar*) NULL; /* shut up buggy egcs warning */
215 filename = IsAbsolutePath (buf) ? wxFileNameFromPath (buf) : (wxChar *)buf;
216
217 for (wxNode * node = First (); node; node = node->Next ())
218 {
219 wxChar *path = (wxChar *) node->Data ();
220 wxStrcpy (wxFileFunctionsBuffer, path);
221 wxChar ch = wxFileFunctionsBuffer[wxStrlen(wxFileFunctionsBuffer)-1];
222 if (ch != wxT('\\') && ch != wxT('/'))
223 wxStrcat (wxFileFunctionsBuffer, wxT("/"));
224 wxStrcat (wxFileFunctionsBuffer, filename);
225#ifdef __WINDOWS__
226 Unix2DosFilename (wxFileFunctionsBuffer);
227#endif
228 if (wxFileExists (wxFileFunctionsBuffer))
229 {
230 return wxString(wxFileFunctionsBuffer); // Found!
231 }
232 } // for()
233
234 return wxString(wxT("")); // Not found
235}
236
237wxString wxPathList::FindAbsoluteValidPath (const wxString& file)
238{
239 wxString f = FindValidPath(file);
240 if ( wxIsAbsolutePath(f) )
241 return f;
242
243 wxString buf;
244 wxGetWorkingDirectory(buf.GetWriteBuf(_MAXPATHLEN), _MAXPATHLEN - 1);
245 buf.UngetWriteBuf();
246 if ( !wxEndsWithPathSeparator(buf) )
247 {
248 buf += wxFILE_SEP_PATH;
249 }
250 buf += f;
251
252 return buf;
253}
254
255bool
256wxFileExists (const wxString& filename)
257{
258#ifdef __GNUWIN32__ // (fix a B20 bug)
259 if (GetFileAttributes(filename) == 0xFFFFFFFF)
260 return FALSE;
261 else
262 return TRUE;
263#elif defined(__WXMAC__)
264 struct stat stbuf;
265 wxStrcpy( gwxMacFileName , filename ) ;
266 wxUnix2MacFilename( gwxMacFileName ) ;
267 if (gwxMacFileName && stat (WXSTRINGCAST gwxMacFileName, &stbuf) == 0)
268 return TRUE;
269 return FALSE ;
270#else
271
272#ifdef __SALFORDC__
273 struct _stat stbuf;
274#else
275 struct stat stbuf;
276#endif
277
278 if ((filename != wxT("")) && stat (wxFNSTRINGCAST filename.fn_str(), &stbuf) == 0)
279 return TRUE;
280 return FALSE;
281#endif
282}
283
284/* Vadim's alternative implementation
285
286// does the file exist?
287bool wxFileExists(const char *pszFileName)
288{
289 struct stat st;
290 return !access(pszFileName, 0) &&
291 !stat(pszFileName, &st) &&
292 (st.st_mode & S_IFREG);
293}
294*/
295
296bool
297wxIsAbsolutePath (const wxString& filename)
298{
299 if (filename != wxT(""))
300 {
301 if (filename[0] == wxT('/')
302#ifdef __VMS__
303 || (filename[0] == wxT('[') && filename[1] != wxT('.'))
304#endif
305#ifdef __WINDOWS__
306 /* MSDOS */
307 || filename[0] == wxT('\\') || (wxIsalpha (filename[0]) && filename[1] == wxT(':'))
308#endif
309 )
310 return TRUE;
311 }
312 return FALSE;
313}
314
315/*
316 * Strip off any extension (dot something) from end of file,
317 * IF one exists. Inserts zero into buffer.
318 *
319 */
320
321void wxStripExtension(wxChar *buffer)
322{
323 int len = wxStrlen(buffer);
324 int i = len-1;
325 while (i > 0)
326 {
327 if (buffer[i] == wxT('.'))
328 {
329 buffer[i] = 0;
330 break;
331 }
332 i --;
333 }
334}
335
336void wxStripExtension(wxString& buffer)
337{
338 size_t len = buffer.Length();
339 size_t i = len-1;
340 while (i > 0)
341 {
342 if (buffer.GetChar(i) == wxT('.'))
343 {
344 buffer = buffer.Left(i);
345 break;
346 }
347 i --;
348 }
349}
350
351// Destructive removal of /./ and /../ stuff
352wxChar *wxRealPath (wxChar *path)
353{
354#ifdef __WXMSW__
355 static const wxChar SEP = wxT('\\');
356 Unix2DosFilename(path);
357#else
358 static const wxChar SEP = wxT('/');
359#endif
360 if (path[0] && path[1]) {
361 /* MATTHEW: special case "/./x" */
362 wxChar *p;
363 if (path[2] == SEP && path[1] == wxT('.'))
364 p = &path[0];
365 else
366 p = &path[2];
367 for (; *p; p++)
368 {
369 if (*p == SEP)
370 {
371 if (p[1] == wxT('.') && p[2] == wxT('.') && (p[3] == SEP || p[3] == wxT('\0')))
372 {
373 wxChar *q;
374 for (q = p - 1; q >= path && *q != SEP; q--);
375 if (q[0] == SEP && (q[1] != wxT('.') || q[2] != wxT('.') || q[3] != SEP)
376 && (q - 1 <= path || q[-1] != SEP))
377 {
378 wxStrcpy (q, p + 3);
379 if (path[0] == wxT('\0'))
380 {
381 path[0] = SEP;
382 path[1] = wxT('\0');
383 }
384#ifdef __WXMSW__
385 /* Check that path[2] is NULL! */
386 else if (path[1] == wxT(':') && !path[2])
387 {
388 path[2] = SEP;
389 path[3] = wxT('\0');
390 }
391#endif
392 p = q - 1;
393 }
394 }
395 else if (p[1] == wxT('.') && (p[2] == SEP || p[2] == wxT('\0')))
396 wxStrcpy (p, p + 2);
397 }
398 }
399 }
400 return path;
401}
402
403// Must be destroyed
404wxChar *wxCopyAbsolutePath(const wxString& filename)
405{
406 if (filename == wxT(""))
407 return (wxChar *) NULL;
408
409 if (! IsAbsolutePath(wxExpandPath(wxFileFunctionsBuffer, filename))) {
410 wxChar buf[_MAXPATHLEN];
411 buf[0] = wxT('\0');
412 wxGetWorkingDirectory(buf, WXSIZEOF(buf));
413 wxChar ch = buf[wxStrlen(buf) - 1];
414#ifdef __WXMSW__
415 if (ch != wxT('\\') && ch != wxT('/'))
416 wxStrcat(buf, wxT("\\"));
417#else
418 if (ch != wxT('/'))
419 wxStrcat(buf, wxT("/"));
420#endif
421 wxStrcat(buf, wxFileFunctionsBuffer);
422 return copystring( wxRealPath(buf) );
423 }
424 return copystring( wxFileFunctionsBuffer );
425}
426
427/*-
428 Handles:
429 ~/ => home dir
430 ~user/ => user's home dir
431 If the environment variable a = "foo" and b = "bar" then:
432 Unix:
433 $a => foo
434 $a$b => foobar
435 $a.c => foo.c
436 xxx$a => xxxfoo
437 ${a}! => foo!
438 $(b)! => bar!
439 \$a => \$a
440 MSDOS:
441 $a ==> $a
442 $(a) ==> foo
443 $(a)$b ==> foo$b
444 $(a)$(b)==> foobar
445 test.$$ ==> test.$$
446 */
447
448/* input name in name, pathname output to buf. */
449
450wxChar *wxExpandPath(wxChar *buf, const wxChar *name)
451{
452 register wxChar *d, *s, *nm;
453 wxChar lnm[_MAXPATHLEN];
454 int q;
455
456 // Some compilers don't like this line.
457// const wxChar trimchars[] = wxT("\n \t");
458
459 wxChar trimchars[4];
460 trimchars[0] = wxT('\n');
461 trimchars[1] = wxT(' ');
462 trimchars[2] = wxT('\t');
463 trimchars[3] = 0;
464
465#ifdef __WXMSW__
466 const wxChar SEP = wxT('\\');
467#else
468 const wxChar SEP = wxT('/');
469#endif
470 buf[0] = wxT('\0');
471 if (name == NULL || *name == wxT('\0'))
472 return buf;
473 nm = copystring(name); // Make a scratch copy
474 wxChar *nm_tmp = nm;
475
476 /* Skip leading whitespace and cr */
477 while (wxStrchr((wxChar *)trimchars, *nm) != NULL)
478 nm++;
479 /* And strip off trailing whitespace and cr */
480 s = nm + (q = wxStrlen(nm)) - 1;
481 while (q-- && wxStrchr((wxChar *)trimchars, *s) != NULL)
482 *s = wxT('\0');
483
484 s = nm;
485 d = lnm;
486#ifdef __WXMSW__
487 q = FALSE;
488#else
489 q = nm[0] == wxT('\\') && nm[1] == wxT('~');
490#endif
491
492 /* Expand inline environment variables */
493#ifdef __VISAGECPP__
494 while (*d)
495 {
496 *d++ = *s;
497 if(*s == wxT('\\'))
498 {
499 *(d - 1) = *++s;
500 if (*d)
501 {
502 s++;
503 continue;
504 }
505 else
506 break;
507 }
508 else
509#else
510 while ((*d++ = *s)) {
511# ifndef __WXMSW__
512 if (*s == wxT('\\')) {
513 if ((*(d - 1) = *++s)) {
514 s++;
515 continue;
516 } else
517 break;
518 } else
519# endif
520#endif
521#ifdef __WXMSW__
522 if (*s++ == wxT('$') && (*s == wxT('{') || *s == wxT(')')))
523#else
524 if (*s++ == wxT('$'))
525#endif
526 {
527 register wxChar *start = d;
528 register int braces = (*s == wxT('{') || *s == wxT('('));
529 register wxChar *value;
530#ifdef __VISAGECPP__
531 // VA gives assignment in logical expr warning
532 while (*d)
533 *d++ = *s;
534#else
535 while ((*d++ = *s))
536#endif
537 if (braces ? (*s == wxT('}') || *s == wxT(')')) : !(wxIsalnum(*s) || *s == wxT('_')) )
538 break;
539 else
540 s++;
541 *--d = 0;
542 value = wxGetenv(braces ? start + 1 : start);
543 if (value) {
544#ifdef __VISAGECPP__
545 // VA gives assignment in logical expr warning
546 for ((d = start - 1); (*d); *d++ = *value++);
547#else
548 for ((d = start - 1); (*d++ = *value++););
549#endif
550 d--;
551 if (braces && *s)
552 s++;
553 }
554 }
555 }
556
557 /* Expand ~ and ~user */
558 nm = lnm;
559 s = wxT("");
560 if (nm[0] == wxT('~') && !q)
561 {
562 /* prefix ~ */
563 if (nm[1] == SEP || nm[1] == 0)
564 { /* ~/filename */
565 // FIXME: wxGetUserHome could return temporary storage in Unicode mode
566 if ((s = WXSTRINGCAST wxGetUserHome(wxT(""))) != NULL) {
567 if (*++nm)
568 nm++;
569 }
570 } else
571 { /* ~user/filename */
572 register wxChar *nnm;
573 register wxChar *home;
574 for (s = nm; *s && *s != SEP; s++);
575 int was_sep; /* MATTHEW: Was there a separator, or NULL? */
576 was_sep = (*s == SEP);
577 nnm = *s ? s + 1 : s;
578 *s = 0;
579 // FIXME: wxGetUserHome could return temporary storage in Unicode mode
580 if ((home = WXSTRINGCAST wxGetUserHome(wxString(nm + 1))) == NULL) {
581 if (was_sep) /* replace only if it was there: */
582 *s = SEP;
583 s = wxT("");
584 } else {
585 nm = nnm;
586 s = home;
587 }
588 }
589 }
590
591 d = buf;
592 if (s && *s) { /* MATTHEW: s could be NULL if user '~' didn't exist */
593 /* Copy home dir */
594 while (wxT('\0') != (*d++ = *s++))
595 /* loop */;
596 // Handle root home
597 if (d - 1 > buf && *(d - 2) != SEP)
598 *(d - 1) = SEP;
599 }
600 s = nm;
601#ifdef __VISAGECPP__
602 // VA gives assignment in logical expr warning
603 while (*d)
604 *d++ = *s++;
605#else
606 while ((*d++ = *s++));
607#endif
608 delete[] nm_tmp; // clean up alloc
609 /* Now clean up the buffer */
610 return wxRealPath(buf);
611}
612
613
614/* Contract Paths to be build upon an environment variable
615 component:
616
617 example: "/usr/openwin/lib", OPENWINHOME --> ${OPENWINHOME}/lib
618
619 The call wxExpandPath can convert these back!
620 */
621wxChar *
622wxContractPath (const wxString& filename, const wxString& envname, const wxString& user)
623{
624 static wxChar dest[_MAXPATHLEN];
625
626 if (filename == wxT(""))
627 return (wxChar *) NULL;
628
629 wxStrcpy (dest, WXSTRINGCAST filename);
630#ifdef __WXMSW__
631 Unix2DosFilename(dest);
632#endif
633
634 // Handle environment
635 const wxChar *val = (const wxChar *) NULL;
636 wxChar *tcp = (wxChar *) NULL;
637 if (envname != WXSTRINGCAST NULL && (val = wxGetenv (WXSTRINGCAST envname)) != NULL &&
638 (tcp = wxStrstr (dest, val)) != NULL)
639 {
640 wxStrcpy (wxFileFunctionsBuffer, tcp + wxStrlen (val));
641 *tcp++ = wxT('$');
642 *tcp++ = wxT('{');
643 wxStrcpy (tcp, WXSTRINGCAST envname);
644 wxStrcat (tcp, wxT("}"));
645 wxStrcat (tcp, wxFileFunctionsBuffer);
646 }
647
648 // Handle User's home (ignore root homes!)
649 size_t len = 0;
650 if ((val = wxGetUserHome (user)) != NULL &&
651 (len = wxStrlen(val)) > 2 &&
652 wxStrncmp(dest, val, len) == 0)
653 {
654 wxStrcpy(wxFileFunctionsBuffer, wxT("~"));
655 if (user != wxT(""))
656 wxStrcat(wxFileFunctionsBuffer, (const wxChar*) user);
657#ifdef __WXMSW__
658// strcat(wxFileFunctionsBuffer, "\\");
659#else
660// strcat(wxFileFunctionsBuffer, "/");
661#endif
662 wxStrcat(wxFileFunctionsBuffer, dest + len);
663 wxStrcpy (dest, wxFileFunctionsBuffer);
664 }
665
666 return dest;
667}
668
669// Return just the filename, not the path
670// (basename)
671wxChar *wxFileNameFromPath (wxChar *path)
672{
673 if (path)
674 {
675 register wxChar *tcp;
676
677 tcp = path + wxStrlen (path);
678 while (--tcp >= path)
679 {
680 if (*tcp == wxT('/') || *tcp == wxT('\\')
681#ifdef __VMS__
682 || *tcp == wxT(':') || *tcp == wxT(']'))
683#else
684 )
685#endif
686 return tcp + 1;
687 } /* while */
688#if defined(__WXMSW__) || defined(__WXPM__)
689 if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
690 return path + 2;
691#endif
692 }
693 return path;
694}
695
696wxString wxFileNameFromPath (const wxString& path1)
697{
698 if (path1 != wxT(""))
699 {
700
701 wxChar *path = WXSTRINGCAST path1 ;
702 register wxChar *tcp;
703
704 tcp = path + wxStrlen (path);
705 while (--tcp >= path)
706 {
707 if (*tcp == wxT('/') || *tcp == wxT('\\')
708#ifdef __VMS__
709 || *tcp == wxT(':') || *tcp == wxT(']'))
710#else
711 )
712#endif
713 return wxString(tcp + 1);
714 } /* while */
715#if defined(__WXMSW__) || defined(__WXPM__)
716 if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
717 return wxString(path + 2);
718#endif
719 }
720 // Yes, this should return the path, not an empty string, otherwise
721 // we get "thing.txt" -> "".
722 return path1;
723}
724
725// Return just the directory, or NULL if no directory
726wxChar *
727wxPathOnly (wxChar *path)
728{
729 if (path && *path)
730 {
731 static wxChar buf[_MAXPATHLEN];
732
733 // Local copy
734 wxStrcpy (buf, path);
735
736 int l = wxStrlen(path);
737 bool done = FALSE;
738
739 int i = l - 1;
740
741 // Search backward for a backward or forward slash
742 while (!done && i > -1)
743 {
744 // ] is for VMS
745 if (path[i] == wxT('/') || path[i] == wxT('\\') || path[i] == wxT(']'))
746 {
747 done = TRUE;
748#ifdef __VMS__
749 buf[i+1] = 0;
750#else
751 buf[i] = 0;
752#endif
753
754 return buf;
755 }
756 else i --;
757 }
758
759#if defined(__WXMSW__) || defined(__WXPM__)
760 // Try Drive specifier
761 if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
762 {
763 // A:junk --> A:. (since A:.\junk Not A:\junk)
764 buf[2] = wxT('.');
765 buf[3] = wxT('\0');
766 return buf;
767 }
768#endif
769 }
770
771 return (wxChar *) NULL;
772}
773
774// Return just the directory, or NULL if no directory
775wxString wxPathOnly (const wxString& path)
776{
777 if (path != wxT(""))
778 {
779 wxChar buf[_MAXPATHLEN];
780
781 // Local copy
782 wxStrcpy (buf, WXSTRINGCAST path);
783
784 int l = path.Length();
785 bool done = FALSE;
786
787 int i = l - 1;
788
789 // Search backward for a backward or forward slash
790 while (!done && i > -1)
791 {
792 // ] is for VMS
793 if (path[i] == wxT('/') || path[i] == wxT('\\') || path[i] == wxT(']'))
794 {
795 done = TRUE;
796#ifdef __VMS__
797 buf[i+1] = 0;
798#else
799 buf[i] = 0;
800#endif
801
802 return wxString(buf);
803 }
804 else i --;
805 }
806
807#if defined(__WXMSW__) || defined(__WXPM__)
808 // Try Drive specifier
809 if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
810 {
811 // A:junk --> A:. (since A:.\junk Not A:\junk)
812 buf[2] = wxT('.');
813 buf[3] = wxT('\0');
814 return wxString(buf);
815 }
816#endif
817 }
818
819 return wxString(wxT(""));
820}
821
822// Utility for converting delimiters in DOS filenames to UNIX style
823// and back again - or we get nasty problems with delimiters.
824// Also, convert to lower case, since case is significant in UNIX.
825
826#ifdef __WXMAC__
827void
828wxMac2UnixFilename (wxChar *s)
829{
830 if (s)
831 {
832 memmove( s+1 , s ,(strlen( s ) + 1)*sizeof(wxChar)) ;
833 if ( *s == wxT(':') )
834 *s = wxT('.') ;
835 else
836 *s = wxT('/') ;
837
838 while (*s)
839 {
840 if (*s == wxT(':'))
841 *s = wxT('/');
842 else
843 *s = wxTolower(*s); // Case INDEPENDENT
844 s++;
845 }
846 }
847}
848
849void
850wxUnix2MacFilename (wxChar *s)
851{
852 if (s)
853 {
854 if ( *s == wxT('.') )
855 {
856 // relative path , since it goes on with slash which is translated to a :
857 memmove( s , s+1 ,strlen( s )*sizeof(wxChar) ) ;
858 }
859 else if ( *s == wxT('/') )
860 {
861 // absolute path -> on mac just start with the drive name
862 memmove( s , s+1 ,strlen( s )*sizeof(wxChar) ) ;
863 }
864 else
865 {
866 wxASSERT_MSG( 1 , wxT("unknown path beginning") ) ;
867 }
868 while (*s)
869 {
870 if (*s == wxT('/') || *s == wxT('\\'))
871 *s = wxT(':');
872
873 s++ ;
874 }
875 }
876}
877#endif
878void
879wxDos2UnixFilename (wxChar *s)
880{
881 if (s)
882 while (*s)
883 {
884 if (*s == wxT('\\'))
885 *s = wxT('/');
886#if defined(__WXMSW__) || defined(__WXPM__)
887 else
888 *s = wxTolower(*s); // Case INDEPENDENT
889#endif
890 s++;
891 }
892}
893
894void
895#if defined(__WXMSW__) || defined(__WXPM__)
896wxUnix2DosFilename (wxChar *s)
897#else
898wxUnix2DosFilename (wxChar *WXUNUSED(s))
899#endif
900{
901// Yes, I really mean this to happen under DOS only! JACS
902#if defined(__WXMSW__) || defined(__WXPM__)
903 if (s)
904 while (*s)
905 {
906 if (*s == wxT('/'))
907 *s = wxT('\\');
908 s++;
909 }
910#endif
911}
912
913// Concatenate two files to form third
914bool
915wxConcatFiles (const wxString& file1, const wxString& file2, const wxString& file3)
916{
917 wxChar *outfile = wxGetTempFileName("cat");
918
919 FILE *fp1 = (FILE *) NULL;
920 FILE *fp2 = (FILE *) NULL;
921 FILE *fp3 = (FILE *) NULL;
922 // Open the inputs and outputs
923#ifdef __WXMAC__
924 wxStrcpy( gwxMacFileName , file1 ) ;
925 wxUnix2MacFilename( gwxMacFileName ) ;
926 wxStrcpy( gwxMacFileName2 , file2) ;
927 wxUnix2MacFilename( gwxMacFileName2 ) ;
928 wxStrcpy( gwxMacFileName3 , outfile) ;
929 wxUnix2MacFilename( gwxMacFileName3 ) ;
930
931 if ((fp1 = fopen (gwxMacFileName, "rb")) == NULL ||
932 (fp2 = fopen (gwxMacFileName2, "rb")) == NULL ||
933 (fp3 = fopen (gwxMacFileName3, "wb")) == NULL)
934#else
935 if ((fp1 = fopen (wxFNSTRINGCAST file1.fn_str(), "rb")) == NULL ||
936 (fp2 = fopen (wxFNSTRINGCAST file2.fn_str(), "rb")) == NULL ||
937 (fp3 = fopen (wxFNCONV(outfile), "wb")) == NULL)
938#endif
939 {
940 if (fp1)
941 fclose (fp1);
942 if (fp2)
943 fclose (fp2);
944 if (fp3)
945 fclose (fp3);
946 return FALSE;
947 }
948
949 int ch;
950 while ((ch = getc (fp1)) != EOF)
951 (void) putc (ch, fp3);
952 fclose (fp1);
953
954 while ((ch = getc (fp2)) != EOF)
955 (void) putc (ch, fp3);
956 fclose (fp2);
957
958 fclose (fp3);
959 bool result = wxRenameFile(outfile, file3);
960 delete[] outfile;
961 return result;
962}
963
964// Copy files
965bool
966wxCopyFile (const wxString& file1, const wxString& file2)
967{
968 FILE *fd1;
969 FILE *fd2;
970 int ch;
971
972#ifdef __WXMAC__
973 wxStrcpy( gwxMacFileName , file1 ) ;
974 wxUnix2MacFilename( gwxMacFileName ) ;
975 wxStrcpy( gwxMacFileName2 , file2) ;
976 wxUnix2MacFilename( gwxMacFileName2 ) ;
977
978 if ((fd1 = fopen (gwxMacFileName, "rb")) == NULL)
979 return FALSE;
980 if ((fd2 = fopen (gwxMacFileName2, "wb")) == NULL)
981#else
982 if ((fd1 = fopen (wxFNSTRINGCAST file1.fn_str(), "rb")) == NULL)
983 return FALSE;
984 if ((fd2 = fopen (wxFNSTRINGCAST file2.fn_str(), "wb")) == NULL)
985#endif
986 {
987 fclose (fd1);
988 return FALSE;
989 }
990
991 while ((ch = getc (fd1)) != EOF)
992 (void) putc (ch, fd2);
993
994 fclose (fd1);
995 fclose (fd2);
996 return TRUE;
997}
998
999bool
1000wxRenameFile (const wxString& file1, const wxString& file2)
1001{
1002#ifdef __WXMAC__
1003 wxStrcpy( gwxMacFileName , file1 ) ;
1004 wxUnix2MacFilename( gwxMacFileName ) ;
1005 wxStrcpy( gwxMacFileName2 , file2) ;
1006 wxUnix2MacFilename( gwxMacFileName2 ) ;
1007
1008 if (0 == rename (gwxMacFileName, gwxMacFileName2))
1009 return TRUE;
1010#else
1011 // Normal system call
1012 if (0 == rename (wxFNSTRINGCAST file1.fn_str(), wxFNSTRINGCAST file2.fn_str()))
1013 return TRUE;
1014#endif
1015 // Try to copy
1016 if (wxCopyFile(file1, file2)) {
1017 wxRemoveFile(file1);
1018 return TRUE;
1019 }
1020 // Give up
1021 return FALSE;
1022}
1023
1024bool wxRemoveFile(const wxString& file)
1025{
1026#if defined(__VISUALC__) || defined(__BORLANDC__) || defined(__WATCOMC__)
1027 int flag = remove(wxFNSTRINGCAST file.fn_str());
1028#elif defined( __WXMAC__ )
1029 wxStrcpy( gwxMacFileName , file ) ;
1030 wxUnix2MacFilename( gwxMacFileName ) ;
1031 int flag = unlink(gwxMacFileName);
1032#else
1033 int flag = unlink(wxFNSTRINGCAST file.fn_str());
1034#endif
1035 return (flag == 0) ;
1036}
1037
1038bool wxMkdir(const wxString& dir, int perm)
1039{
1040#if defined( __WXMAC__ )
1041 wxStrcpy( gwxMacFileName , dir ) ;
1042 wxUnix2MacFilename( gwxMacFileName ) ;
1043 const wxChar *dirname = gwxMacFileName;
1044#else // !Mac
1045 const wxChar *dirname = dir.c_str();
1046#endif // Mac/!Mac
1047
1048 // assume mkdir() has 2 args on non Windows-OS/2 platforms and on Windows too
1049 // for the GNU compiler
1050#if (!(defined(__WXMSW__) || defined(__WXPM__))) || (defined(__GNUWIN32__) && !defined(__MINGW32__)) || defined(__WXWINE__)
1051 if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1052#else // MSW and OS/2
1053 if ( mkdir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
1054#endif // !MSW/MSW
1055 {
1056 wxLogSysError(_("Directory '%s' couldn't be created"), dirname);
1057
1058 return FALSE;
1059 }
1060
1061 return TRUE;
1062}
1063
1064bool wxRmdir(const wxString& dir, int WXUNUSED(flags))
1065{
1066#ifdef __VMS__
1067 return FALSE;
1068#elif defined( __WXMAC__ )
1069 wxStrcpy( gwxMacFileName , dir ) ;
1070 wxUnix2MacFilename( gwxMacFileName ) ;
1071 return (rmdir(WXSTRINGCAST gwxMacFileName) == 0);
1072#else
1073
1074#ifdef __SALFORDC__
1075 return FALSE; // What to do?
1076#else
1077 return (rmdir(wxFNSTRINGCAST dir.fn_str()) == 0);
1078#endif
1079
1080#endif
1081}
1082
1083#if 0
1084bool wxDirExists(const wxString& dir)
1085{
1086#ifdef __VMS__
1087 return FALSE;
1088#elif !defined(__WXMSW__)
1089 struct stat sbuf;
1090 return (stat(dir.fn_str(), &sbuf) != -1) && S_ISDIR(sbuf.st_mode) ? TRUE : FALSE;
1091#else
1092
1093 /* MATTHEW: [6] Always use same code for Win32, call FindClose */
1094#if defined(__WIN32__)
1095 WIN32_FIND_DATA fileInfo;
1096#else
1097#ifdef __BORLANDC__
1098 struct ffblk fileInfo;
1099#else
1100 struct find_t fileInfo;
1101#endif
1102#endif
1103
1104#if defined(__WIN32__)
1105 HANDLE h = FindFirstFile((LPTSTR) WXSTRINGCAST dir,(LPWIN32_FIND_DATA)&fileInfo);
1106
1107 if (h==INVALID_HANDLE_VALUE)
1108 return FALSE;
1109 else {
1110 FindClose(h);
1111 return ((fileInfo.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) == FILE_ATTRIBUTE_DIRECTORY);
1112 }
1113#else
1114 // In Borland findfirst has a different argument
1115 // ordering from _dos_findfirst. But _dos_findfirst
1116 // _should_ be ok in both MS and Borland... why not?
1117#ifdef __BORLANDC__
1118 return ((findfirst(WXSTRINGCAST dir, &fileInfo, _A_SUBDIR) == 0 && (fileInfo.ff_attrib & _A_SUBDIR) != 0));
1119#else
1120 return (((_dos_findfirst(WXSTRINGCAST dir, _A_SUBDIR, &fileInfo) == 0) && (fileInfo.attrib & _A_SUBDIR)) != 0);
1121#endif
1122#endif
1123
1124#endif
1125}
1126
1127#endif
1128
1129// does the path exists? (may have or not '/' or '\\' at the end)
1130bool wxPathExists(const wxChar *pszPathName)
1131{
1132 /* Windows API returns -1 from stat for "c:\dir\" if "c:\dir" exists
1133 * OTOH, we should change "d:" to "d:\" and leave "\" as is. */
1134 wxString strPath(pszPathName);
1135 if ( wxEndsWithPathSeparator(pszPathName) && pszPathName[1] != wxT('\0') )
1136 strPath.Last() = wxT('\0');
1137
1138#ifdef __SALFORDC__
1139 struct _stat st;
1140#else
1141 struct stat st;
1142#endif
1143
1144 return stat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 && (st.st_mode & S_IFDIR);
1145}
1146
1147// Get a temporary filename, opening and closing the file.
1148wxChar *wxGetTempFileName(const wxString& prefix, wxChar *buf)
1149{
1150#ifdef __WINDOWS__
1151
1152#ifndef __WIN32__
1153 wxChar tmp[144];
1154 ::GetTempFileName(0, WXSTRINGCAST prefix, 0, tmp);
1155#else
1156 wxChar tmp[MAX_PATH];
1157 wxChar tmpPath[MAX_PATH];
1158 ::GetTempPath(MAX_PATH, tmpPath);
1159 ::GetTempFileName(tmpPath, WXSTRINGCAST prefix, 0, tmp);
1160#endif
1161 if (buf) wxStrcpy(buf, tmp);
1162 else buf = copystring(tmp);
1163 return buf;
1164
1165#else
1166 static short last_temp = 0; // cache last to speed things a bit
1167 // At most 1000 temp files to a process! We use a ring count.
1168 wxChar tmp[100]; // FIXME static buffer
1169
1170 for (short suffix = last_temp + 1; suffix != last_temp; ++suffix %= 1000)
1171 {
1172 wxSprintf (tmp, wxT("/tmp/%s%d.%03x"), WXSTRINGCAST prefix, (int) getpid (), (int) suffix);
1173 if (!wxFileExists( tmp ))
1174 {
1175 // Touch the file to create it (reserve name)
1176 FILE *fd = fopen (wxFNCONV(tmp), "w");
1177 if (fd)
1178 fclose (fd);
1179 last_temp = suffix;
1180 if (buf)
1181 wxStrcpy( buf, tmp);
1182 else
1183 buf = copystring( tmp );
1184 return buf;
1185 }
1186 }
1187 wxLogError( _("wxWindows: error finding temporary file name.\n") );
1188 if (buf) buf[0] = 0;
1189 return (wxChar *) NULL;
1190#endif
1191}
1192
1193// Get first file name matching given wild card.
1194
1195#ifdef __UNIX__
1196
1197// Get first file name matching given wild card.
1198// Flags are reserved for future use.
1199
1200#ifndef __VMS__
1201 static DIR *gs_dirStream = (DIR *) NULL;
1202 static wxString gs_strFileSpec;
1203 static int gs_findFlags = 0;
1204#endif
1205
1206wxString wxFindFirstFile(const wxChar *spec, int flags)
1207{
1208 wxString result;
1209
1210#ifndef __VMS__
1211 if (gs_dirStream)
1212 closedir(gs_dirStream); // edz 941103: better housekeping
1213
1214 gs_findFlags = flags;
1215
1216 gs_strFileSpec = spec;
1217
1218 // Find path only so we can concatenate
1219 // found file onto path
1220 wxString path(wxPathOnly(gs_strFileSpec));
1221
1222 // special case: path is really "/"
1223 if ( !path && gs_strFileSpec[0u] == wxT('/') )
1224 path = wxT('/');
1225 // path is empty => Local directory
1226 if ( !path )
1227 path = wxT('.');
1228
1229 gs_dirStream = opendir(path.fn_str());
1230 if ( !gs_dirStream )
1231 {
1232 wxLogSysError(_("Can not enumerate files in directory '%s'"),
1233 path.c_str());
1234 }
1235 else
1236 {
1237 result = wxFindNextFile();
1238 }
1239#endif // !VMS
1240
1241 return result;
1242}
1243
1244wxString wxFindNextFile()
1245{
1246 wxString result;
1247
1248#ifndef __VMS__
1249 wxCHECK_MSG( gs_dirStream, result, wxT("must call wxFindFirstFile first") );
1250
1251 // Find path only so we can concatenate
1252 // found file onto path
1253 wxString path(wxPathOnly(gs_strFileSpec));
1254 wxString name(wxFileNameFromPath(gs_strFileSpec));
1255
1256 /* MATTHEW: special case: path is really "/" */
1257 if ( !path && gs_strFileSpec[0u] == wxT('/'))
1258 path = wxT('/');
1259
1260 // Do the reading
1261 struct dirent *nextDir;
1262 for ( nextDir = readdir(gs_dirStream);
1263 nextDir != NULL;
1264 nextDir = readdir(gs_dirStream) )
1265 {
1266 if (wxMatchWild(name, nextDir->d_name))
1267 {
1268 result.Empty();
1269 if ( !path.IsEmpty() )
1270 {
1271 result = path;
1272 if ( path != wxT('/') )
1273 result += wxT('/');
1274 }
1275
1276 result += nextDir->d_name;
1277
1278 // Only return "." and ".." when they match
1279 bool isdir;
1280 if ( (strcmp(nextDir->d_name, ".") == 0) ||
1281 (strcmp(nextDir->d_name, "..") == 0))
1282 {
1283 if ( (gs_findFlags & wxDIR) != 0 )
1284 isdir = TRUE;
1285 else
1286 continue;
1287 }
1288 else
1289 isdir = wxDirExists(result);
1290
1291 // and only return directories when flags & wxDIR
1292 if ( !gs_findFlags ||
1293 ((gs_findFlags & wxDIR) && isdir) ||
1294 ((gs_findFlags & wxFILE) && !isdir) )
1295 {
1296 return result;
1297 }
1298 }
1299 }
1300
1301 result.Empty(); // not found
1302
1303 closedir(gs_dirStream);
1304 gs_dirStream = (DIR *) NULL;
1305#endif // !VMS
1306
1307 return result;
1308}
1309
1310#elif defined(__WXMSW__)
1311
1312#ifdef __WIN32__
1313 static HANDLE gs_hFileStruct = INVALID_HANDLE_VALUE;
1314 static WIN32_FIND_DATA gs_findDataStruct;
1315#else // Win16
1316 #ifdef __BORLANDC__
1317 static struct ffblk gs_findDataStruct;
1318 #else
1319 static struct _find_t gs_findDataStruct;
1320 #endif // Borland
1321#endif // Win32/16
1322
1323static wxString gs_strFileSpec;
1324static int gs_findFlags = 0;
1325
1326wxString wxFindFirstFile(const wxChar *spec, int flags)
1327{
1328 wxString result;
1329
1330 gs_strFileSpec = spec;
1331 gs_findFlags = flags; /* MATTHEW: [5] Remember flags */
1332
1333 // Find path only so we can concatenate found file onto path
1334 wxString path(wxPathOnly(gs_strFileSpec));
1335 if ( !path.IsEmpty() )
1336 result << path << wxT('\\');
1337
1338#ifdef __WIN32__
1339 if ( gs_hFileStruct != INVALID_HANDLE_VALUE )
1340 FindClose(gs_hFileStruct);
1341
1342 gs_hFileStruct = ::FindFirstFile(WXSTRINGCAST spec, &gs_findDataStruct);
1343
1344 if ( gs_hFileStruct == INVALID_HANDLE_VALUE )
1345 {
1346 result.Empty();
1347
1348 return result;
1349 }
1350
1351 bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1352
1353 if (isdir && !(flags & wxDIR))
1354 return wxFindNextFile();
1355 else if (!isdir && flags && !(flags & wxFILE))
1356 return wxFindNextFile();
1357
1358 result += gs_findDataStruct.cFileName;
1359
1360 return result;
1361#else
1362 int flag = _A_NORMAL;
1363 if (flags & wxDIR) /* MATTHEW: [5] Use & */
1364 flag = _A_SUBDIR;
1365
1366#ifdef __BORLANDC__
1367 if (findfirst(WXSTRINGCAST spec, &gs_findDataStruct, flag) == 0)
1368#else
1369 if (_dos_findfirst(WXSTRINGCAST spec, flag, &gs_findDataStruct) == 0)
1370#endif
1371 {
1372 /* MATTHEW: [5] Check directory flag */
1373 char attrib;
1374
1375#ifdef __BORLANDC__
1376 attrib = gs_findDataStruct.ff_attrib;
1377#else
1378 attrib = gs_findDataStruct.attrib;
1379#endif
1380
1381 if (attrib & _A_SUBDIR) {
1382 if (!(gs_findFlags & wxDIR))
1383 return wxFindNextFile();
1384 } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1385 return wxFindNextFile();
1386
1387 result +=
1388#ifdef __BORLANDC__
1389 gs_findDataStruct.ff_name
1390#else
1391 gs_findDataStruct.name
1392#endif
1393 ;
1394 }
1395#endif // __WIN32__
1396
1397 return result;
1398}
1399
1400wxString wxFindNextFile()
1401{
1402 wxString result;
1403
1404 // Find path only so we can concatenate found file onto path
1405 wxString path(wxPathOnly(gs_strFileSpec));
1406
1407try_again:
1408
1409#ifdef __WIN32__
1410 if (gs_hFileStruct == INVALID_HANDLE_VALUE)
1411 return result;
1412
1413 bool success = (FindNextFile(gs_hFileStruct, &gs_findDataStruct) != 0);
1414 if (!success)
1415 {
1416 FindClose(gs_hFileStruct);
1417 gs_hFileStruct = INVALID_HANDLE_VALUE;
1418 }
1419 else
1420 {
1421 bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1422
1423 if (isdir && !(gs_findFlags & wxDIR))
1424 goto try_again;
1425 else if (!isdir && gs_findFlags && !(gs_findFlags & wxFILE))
1426 goto try_again;
1427
1428 if ( !path.IsEmpty() )
1429 result << path << wxT('\\');
1430 result << gs_findDataStruct.cFileName;
1431 }
1432
1433 return result;
1434#else // Win16
1435
1436#ifdef __BORLANDC__
1437 if (findnext(&gs_findDataStruct) == 0)
1438#else
1439 if (_dos_findnext(&gs_findDataStruct) == 0)
1440#endif
1441 {
1442 /* MATTHEW: [5] Check directory flag */
1443 char attrib;
1444
1445#ifdef __BORLANDC__
1446 attrib = gs_findDataStruct.ff_attrib;
1447#else
1448 attrib = gs_findDataStruct.attrib;
1449#endif
1450
1451 if (attrib & _A_SUBDIR) {
1452 if (!(gs_findFlags & wxDIR))
1453 goto try_again;
1454 } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1455 goto try_again;
1456
1457
1458 result +=
1459#ifdef __BORLANDC__
1460 gs_findDataStruct.ff_name
1461#else
1462 gs_findDataStruct.name
1463#endif
1464 ;
1465 }
1466#endif // Win32/16
1467
1468 return result;
1469}
1470
1471#endif // Unix/Windows
1472
1473// Get current working directory.
1474// If buf is NULL, allocates space using new, else
1475// copies into buf.
1476wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
1477{
1478 if (!buf)
1479 buf = new wxChar[sz+1];
1480#if wxUSE_UNICODE
1481 char *cbuf = new char[sz+1];
1482#ifdef _MSC_VER
1483 if (_getcwd(cbuf, sz) == NULL) {
1484#else
1485 if (getcwd(cbuf, sz) == NULL) {
1486#endif
1487 delete [] cbuf;
1488#else
1489#ifdef _MSC_VER
1490 if (_getcwd(buf, sz) == NULL) {
1491#else
1492 if (getcwd(buf, sz) == NULL) {
1493#endif
1494#endif
1495 buf[0] = wxT('.');
1496 buf[1] = wxT('\0');
1497 }
1498#if wxUSE_UNICODE
1499 else {
1500 wxConvFile.MB2WC(buf, cbuf, sz);
1501 delete [] cbuf;
1502 }
1503#endif
1504 return buf;
1505}
1506
1507wxString wxGetCwd()
1508{
1509 static const size_t maxPathLen = 1024;
1510
1511 wxString str;
1512 wxGetWorkingDirectory(str.GetWriteBuf(maxPathLen), maxPathLen);
1513 str.UngetWriteBuf();
1514
1515 return str;
1516}
1517
1518bool wxSetWorkingDirectory(const wxString& d)
1519{
1520#if defined( __UNIX__ ) || defined( __WXMAC__ ) || defined(__WXPM__)
1521 return (chdir(wxFNSTRINGCAST d.fn_str()) == 0);
1522#elif defined(__WINDOWS__)
1523
1524#ifdef __WIN32__
1525 return (bool)(SetCurrentDirectory(d) != 0);
1526#else
1527 // Must change drive, too.
1528 bool isDriveSpec = ((strlen(d) > 1) && (d[1] == ':'));
1529 if (isDriveSpec)
1530 {
1531 wxChar firstChar = d[0];
1532
1533 // To upper case
1534 if (firstChar > 90)
1535 firstChar = firstChar - 32;
1536
1537 // To a drive number
1538 unsigned int driveNo = firstChar - 64;
1539 if (driveNo > 0)
1540 {
1541 unsigned int noDrives;
1542 _dos_setdrive(driveNo, &noDrives);
1543 }
1544 }
1545 bool success = (chdir(WXSTRINGCAST d) == 0);
1546
1547 return success;
1548#endif
1549
1550#endif
1551}
1552
1553// Get the OS directory if appropriate (such as the Windows directory).
1554// On non-Windows platform, probably just return the empty string.
1555wxString wxGetOSDirectory()
1556{
1557#ifdef __WINDOWS__
1558 wxChar buf[256];
1559 GetWindowsDirectory(buf, 256);
1560 return wxString(buf);
1561#else
1562 return wxEmptyString;
1563#endif
1564}
1565
1566bool wxEndsWithPathSeparator(const wxChar *pszFileName)
1567{
1568 size_t len = wxStrlen(pszFileName);
1569 if ( len == 0 )
1570 return FALSE;
1571 else
1572 return wxIsPathSeparator(pszFileName[len - 1]);
1573}
1574
1575// find a file in a list of directories, returns false if not found
1576bool wxFindFileInPath(wxString *pStr, const wxChar *pszPath, const wxChar *pszFile)
1577{
1578 // we assume that it's not empty
1579 wxCHECK_MSG( !wxIsEmpty(pszFile), FALSE,
1580 _("empty file name in wxFindFileInPath"));
1581
1582 // skip path separator in the beginning of the file name if present
1583 if ( wxIsPathSeparator(*pszFile) )
1584 pszFile++;
1585
1586 // copy the path (strtok will modify it)
1587 wxChar *szPath = new wxChar[wxStrlen(pszPath) + 1];
1588 wxStrcpy(szPath, pszPath);
1589
1590 wxString strFile;
1591 wxChar *pc, *save_ptr;
1592 for ( pc = wxStrtok(szPath, wxPATH_SEP, &save_ptr);
1593 pc != NULL;
1594 pc = wxStrtok((wxChar *) NULL, wxPATH_SEP, &save_ptr) )
1595 {
1596 // search for the file in this directory
1597 strFile = pc;
1598 if ( !wxEndsWithPathSeparator(pc) )
1599 strFile += wxFILE_SEP_PATH;
1600 strFile += pszFile;
1601
1602 if ( FileExists(strFile) ) {
1603 *pStr = strFile;
1604 break;
1605 }
1606 }
1607
1608 // suppress warning about unused variable save_ptr when wxStrtok() is a
1609 // macro which throws away its third argument
1610 save_ptr = pc;
1611
1612 delete [] szPath;
1613
1614 return pc != NULL; // if true => we breaked from the loop
1615}
1616
1617void WXDLLEXPORT wxSplitPath(const wxChar *pszFileName,
1618 wxString *pstrPath,
1619 wxString *pstrName,
1620 wxString *pstrExt)
1621{
1622 // it can be empty, but it shouldn't be NULL
1623 wxCHECK_RET( pszFileName, wxT("NULL file name in wxSplitPath") );
1624
1625 const wxChar *pDot = wxStrrchr(pszFileName, wxFILE_SEP_EXT);
1626
1627#ifdef __WXMSW__
1628 // under Windows we understand both separators
1629 const wxChar *pSepUnix = wxStrrchr(pszFileName, wxFILE_SEP_PATH_UNIX);
1630 const wxChar *pSepDos = wxStrrchr(pszFileName, wxFILE_SEP_PATH_DOS);
1631 const wxChar *pLastSeparator = pSepUnix > pSepDos ? pSepUnix : pSepDos;
1632#else // assume Unix
1633 const wxChar *pLastSeparator = wxStrrchr(pszFileName, wxFILE_SEP_PATH_UNIX);
1634
1635 if ( pDot == pszFileName )
1636 {
1637 // under Unix files like .profile are treated in a special way
1638 pDot = NULL;
1639 }
1640#endif // MSW/Unix
1641
1642 if ( pDot < pLastSeparator )
1643 {
1644 // the dot is part of the path, not the start of the extension
1645 pDot = NULL;
1646 }
1647
1648 if ( pstrPath )
1649 {
1650 if ( pLastSeparator )
1651 *pstrPath = wxString(pszFileName, pLastSeparator - pszFileName);
1652 else
1653 pstrPath->Empty();
1654 }
1655
1656 if ( pstrName )
1657 {
1658 const wxChar *start = pLastSeparator ? pLastSeparator + 1 : pszFileName;
1659 const wxChar *end = pDot ? pDot : pszFileName + wxStrlen(pszFileName);
1660
1661 *pstrName = wxString(start, end - start);
1662 }
1663
1664 if ( pstrExt )
1665 {
1666 if ( pDot )
1667 *pstrExt = wxString(pDot + 1);
1668 else
1669 pstrExt->Empty();
1670 }
1671}
1672
1673//------------------------------------------------------------------------
1674// wild character routines
1675//------------------------------------------------------------------------
1676
1677bool wxIsWild( const wxString& pattern )
1678{
1679 wxString tmp = pattern;
1680 wxChar *pat = WXSTRINGCAST(tmp);
1681 while (*pat) {
1682 switch (*pat++) {
1683 case wxT('?'): case wxT('*'): case wxT('['): case wxT('{'):
1684 return TRUE;
1685 case wxT('\\'):
1686 if (!*pat++)
1687 return FALSE;
1688 }
1689 }
1690 return FALSE;
1691};
1692
1693bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
1694
1695#if defined(HAVE_FNMATCH_H)
1696{
1697// this probably won't work well for multibyte chars in Unicode mode?
1698 if(dot_special)
1699 return fnmatch(pat.fn_str(), text.fn_str(), FNM_PERIOD) == 0;
1700 else
1701 return fnmatch(pat.fn_str(), text.fn_str(), 0) == 0;
1702}
1703#else
1704
1705// #pragma error Broken implementation of wxMatchWild() -- needs fixing!
1706
1707 /*
1708 * WARNING: this code is broken!
1709 */
1710{
1711 wxString tmp1 = pat;
1712 wxChar *pattern = WXSTRINGCAST(tmp1);
1713 wxString tmp2 = text;
1714 wxChar *str = WXSTRINGCAST(tmp2);
1715 wxChar c;
1716 wxChar *cp;
1717 bool done = FALSE, ret_code, ok;
1718 // Below is for vi fans
1719 const wxChar OB = wxT('{'), CB = wxT('}');
1720
1721 // dot_special means '.' only matches '.'
1722 if (dot_special && *str == wxT('.') && *pattern != *str)
1723 return FALSE;
1724
1725 while ((*pattern != wxT('\0')) && (!done)
1726 && (((*str==wxT('\0'))&&((*pattern==OB)||(*pattern==wxT('*'))))||(*str!=wxT('\0')))) {
1727 switch (*pattern) {
1728 case wxT('\\'):
1729 pattern++;
1730 if (*pattern != wxT('\0'))
1731 pattern++;
1732 break;
1733 case wxT('*'):
1734 pattern++;
1735 ret_code = FALSE;
1736 while ((*str!=wxT('\0'))
1737 && (!(ret_code=wxMatchWild(pattern, str++, FALSE))))
1738 /*loop*/;
1739 if (ret_code) {
1740 while (*str != wxT('\0'))
1741 str++;
1742 while (*pattern != wxT('\0'))
1743 pattern++;
1744 }
1745 break;
1746 case wxT('['):
1747 pattern++;
1748 repeat:
1749 if ((*pattern == wxT('\0')) || (*pattern == wxT(']'))) {
1750 done = TRUE;
1751 break;
1752 }
1753 if (*pattern == wxT('\\')) {
1754 pattern++;
1755 if (*pattern == wxT('\0')) {
1756 done = TRUE;
1757 break;
1758 }
1759 }
1760 if (*(pattern + 1) == wxT('-')) {
1761 c = *pattern;
1762 pattern += 2;
1763 if (*pattern == wxT(']')) {
1764 done = TRUE;
1765 break;
1766 }
1767 if (*pattern == wxT('\\')) {
1768 pattern++;
1769 if (*pattern == wxT('\0')) {
1770 done = TRUE;
1771 break;
1772 }
1773 }
1774 if ((*str < c) || (*str > *pattern)) {
1775 pattern++;
1776 goto repeat;
1777 }
1778 } else if (*pattern != *str) {
1779 pattern++;
1780 goto repeat;
1781 }
1782 pattern++;
1783 while ((*pattern != wxT(']')) && (*pattern != wxT('\0'))) {
1784 if ((*pattern == wxT('\\')) && (*(pattern + 1) != wxT('\0')))
1785 pattern++;
1786 pattern++;
1787 }
1788 if (*pattern != wxT('\0')) {
1789 pattern++, str++;
1790 }
1791 break;
1792 case wxT('?'):
1793 pattern++;
1794 str++;
1795 break;
1796 case OB:
1797 pattern++;
1798 while ((*pattern != CB) && (*pattern != wxT('\0'))) {
1799 cp = str;
1800 ok = TRUE;
1801 while (ok && (*cp != wxT('\0')) && (*pattern != wxT('\0'))
1802 && (*pattern != wxT(',')) && (*pattern != CB)) {
1803 if (*pattern == wxT('\\'))
1804 pattern++;
1805 ok = (*pattern++ == *cp++);
1806 }
1807 if (*pattern == wxT('\0')) {
1808 ok = FALSE;
1809 done = TRUE;
1810 break;
1811 } else if (ok) {
1812 str = cp;
1813 while ((*pattern != CB) && (*pattern != wxT('\0'))) {
1814 if (*++pattern == wxT('\\')) {
1815 if (*++pattern == CB)
1816 pattern++;
1817 }
1818 }
1819 } else {
1820 while (*pattern!=CB && *pattern!=wxT(',') && *pattern!=wxT('\0')) {
1821 if (*++pattern == wxT('\\')) {
1822 if (*++pattern == CB || *pattern == wxT(','))
1823 pattern++;
1824 }
1825 }
1826 }
1827 if (*pattern != wxT('\0'))
1828 pattern++;
1829 }
1830 break;
1831 default:
1832 if (*str == *pattern) {
1833 str++, pattern++;
1834 } else {
1835 done = TRUE;
1836 }
1837 }
1838 }
1839 while (*pattern == wxT('*'))
1840 pattern++;
1841 return ((*str == wxT('\0')) && (*pattern == wxT('\0')));
1842};
1843
1844#endif
1845
1846#ifdef __VISUALC__
1847 #pragma warning(default:4706) // assignment within conditional expression
1848#endif // VC++
wxWidgets (Impactor)