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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 #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 extern wxChar *wxBuffer;
116
117 #ifdef __WXMAC__
118
119 #include "morefile.h"
120 #include "moreextr.h"
121 #include "fullpath.h"
122 #include "fspcompa.h"
123 #endif
124
125 IMPLEMENT_DYNAMIC_CLASS(wxPathList, wxStringList)
126
127 // ----------------------------------------------------------------------------
128 // private globals
129 // ----------------------------------------------------------------------------
130
131 static wxChar wxFileFunctionsBuffer[4*_MAXPATHLEN];
132
133 // ============================================================================
134 // implementation
135 // ============================================================================
136
137 void wxPathList::Add (const wxString& path)
138 {
139 wxStringList::Add (WXSTRINGCAST path);
140 }
141
142 // Add paths e.g. from the PATH environment variable
143 void wxPathList::AddEnvList (const wxString& envVariable)
144 {
145 static const wxChar PATH_TOKS[] =
146 #ifdef __WINDOWS__
147 wxT(" ;"); // Don't seperate with colon in DOS (used for drive)
148 #else
149 wxT(" :;");
150 #endif
151
152 wxChar *val = wxGetenv (WXSTRINGCAST envVariable);
153 if (val && *val)
154 {
155 wxChar *s = copystring (val);
156 wxChar *save_ptr, *token = wxStrtok (s, PATH_TOKS, &save_ptr);
157
158 if (token)
159 {
160 Add (copystring (token));
161 while (token)
162 {
163 if ((token = wxStrtok ((wxChar *) NULL, PATH_TOKS, &save_ptr)) != NULL)
164 Add (wxString(token));
165 }
166 }
167
168 // suppress warning about unused variable save_ptr when wxStrtok() is a
169 // macro which throws away its third argument
170 save_ptr = token;
171
172 delete [] s;
173 }
174 }
175
176 // Given a full filename (with path), ensure that that file can
177 // be accessed again USING FILENAME ONLY by adding the path
178 // to the list if not already there.
179 void wxPathList::EnsureFileAccessible (const wxString& path)
180 {
181 wxString path_only(wxPathOnly(path));
182 if ( !path_only.IsEmpty() )
183 {
184 if ( !Member(path_only) )
185 Add(path_only);
186 }
187 }
188
189 bool wxPathList::Member (const wxString& path)
190 {
191 for (wxNode * node = First (); node != NULL; node = node->Next ())
192 {
193 wxString path2((wxChar *) node->Data ());
194 if (
195 #if defined(__WINDOWS__) || defined(__VMS__) || defined (__WXMAC__)
196 // Case INDEPENDENT
197 path.CompareTo (path2, wxString::ignoreCase) == 0
198 #else
199 // Case sensitive File System
200 path.CompareTo (path2) == 0
201 #endif
202 )
203 return TRUE;
204 }
205 return FALSE;
206 }
207
208 wxString wxPathList::FindValidPath (const wxString& file)
209 {
210 if (wxFileExists (wxExpandPath(wxFileFunctionsBuffer, file)))
211 return wxString(wxFileFunctionsBuffer);
212
213 wxChar buf[_MAXPATHLEN];
214 wxStrcpy(buf, wxFileFunctionsBuffer);
215
216 wxChar *filename = (wxChar*) NULL; /* shut up buggy egcs warning */
217 filename = IsAbsolutePath (buf) ? wxFileNameFromPath (buf) : (wxChar *)buf;
218
219 for (wxNode * node = First (); node; node = node->Next ())
220 {
221 wxChar *path = (wxChar *) node->Data ();
222 wxStrcpy (wxFileFunctionsBuffer, path);
223 wxChar ch = wxFileFunctionsBuffer[wxStrlen(wxFileFunctionsBuffer)-1];
224 if (ch != wxT('\\') && ch != wxT('/'))
225 wxStrcat (wxFileFunctionsBuffer, wxT("/"));
226 wxStrcat (wxFileFunctionsBuffer, filename);
227 #ifdef __WINDOWS__
228 Unix2DosFilename (wxFileFunctionsBuffer);
229 #endif
230 if (wxFileExists (wxFileFunctionsBuffer))
231 {
232 return wxString(wxFileFunctionsBuffer); // Found!
233 }
234 } // for()
235
236 return wxString(wxT("")); // Not found
237 }
238
239 wxString wxPathList::FindAbsoluteValidPath (const wxString& file)
240 {
241 wxString f = FindValidPath(file);
242 if ( wxIsAbsolutePath(f) )
243 return f;
244
245 wxString buf;
246 wxGetWorkingDirectory(buf.GetWriteBuf(_MAXPATHLEN), _MAXPATHLEN - 1);
247 buf.UngetWriteBuf();
248 if ( !wxEndsWithPathSeparator(buf) )
249 {
250 buf += wxFILE_SEP_PATH;
251 }
252 buf += f;
253
254 return buf;
255 }
256
257 bool
258 wxFileExists (const wxString& filename)
259 {
260 #ifdef __GNUWIN32__ // (fix a B20 bug)
261 if (GetFileAttributes(filename) == 0xFFFFFFFF)
262 return FALSE;
263 else
264 return TRUE;
265 #elif defined(__WXMAC__)
266 struct stat stbuf;
267 if (filename && stat (wxUnix2MacFilename(filename), &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?
287 bool 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
296 bool
297 wxIsAbsolutePath (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
321 void 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
336 void 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
352 wxChar *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
404 wxChar *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
450 wxChar *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 /* Contract Paths to be build upon an environment variable
614 component:
615
616 example: "/usr/openwin/lib", OPENWINHOME --> ${OPENWINHOME}/lib
617
618 The call wxExpandPath can convert these back!
619 */
620 wxChar *
621 wxContractPath (const wxString& filename, const wxString& envname, const wxString& user)
622 {
623 static wxChar dest[_MAXPATHLEN];
624
625 if (filename == wxT(""))
626 return (wxChar *) NULL;
627
628 wxStrcpy (dest, WXSTRINGCAST filename);
629 #ifdef __WXMSW__
630 Unix2DosFilename(dest);
631 #endif
632
633 // Handle environment
634 const wxChar *val = (const wxChar *) NULL;
635 wxChar *tcp = (wxChar *) NULL;
636 if (envname != WXSTRINGCAST NULL && (val = wxGetenv (WXSTRINGCAST envname)) != NULL &&
637 (tcp = wxStrstr (dest, val)) != NULL)
638 {
639 wxStrcpy (wxFileFunctionsBuffer, tcp + wxStrlen (val));
640 *tcp++ = wxT('$');
641 *tcp++ = wxT('{');
642 wxStrcpy (tcp, WXSTRINGCAST envname);
643 wxStrcat (tcp, wxT("}"));
644 wxStrcat (tcp, wxFileFunctionsBuffer);
645 }
646
647 // Handle User's home (ignore root homes!)
648 size_t len = 0;
649 if ((val = wxGetUserHome (user)) != NULL &&
650 (len = wxStrlen(val)) > 2 &&
651 wxStrncmp(dest, val, len) == 0)
652 {
653 wxStrcpy(wxFileFunctionsBuffer, wxT("~"));
654 if (user != wxT(""))
655 wxStrcat(wxFileFunctionsBuffer, (const wxChar*) user);
656 #ifdef __WXMSW__
657 // strcat(wxFileFunctionsBuffer, "\\");
658 #else
659 // strcat(wxFileFunctionsBuffer, "/");
660 #endif
661 wxStrcat(wxFileFunctionsBuffer, dest + len);
662 wxStrcpy (dest, wxFileFunctionsBuffer);
663 }
664
665 return dest;
666 }
667
668 // Return just the filename, not the path
669 // (basename)
670 wxChar *wxFileNameFromPath (wxChar *path)
671 {
672 if (path)
673 {
674 register wxChar *tcp;
675
676 tcp = path + wxStrlen (path);
677 while (--tcp >= path)
678 {
679 if (*tcp == wxT('/') || *tcp == wxT('\\')
680 #ifdef __VMS__
681 || *tcp == wxT(':') || *tcp == wxT(']'))
682 #else
683 )
684 #endif
685 return tcp + 1;
686 } /* while */
687 #if defined(__WXMSW__) || defined(__WXPM__)
688 if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
689 return path + 2;
690 #endif
691 }
692 return path;
693 }
694
695 wxString wxFileNameFromPath (const wxString& path1)
696 {
697 if (path1 != wxT(""))
698 {
699
700 wxChar *path = WXSTRINGCAST path1 ;
701 register wxChar *tcp;
702
703 tcp = path + wxStrlen (path);
704 while (--tcp >= path)
705 {
706 if (*tcp == wxT('/') || *tcp == wxT('\\')
707 #ifdef __VMS__
708 || *tcp == wxT(':') || *tcp == wxT(']'))
709 #else
710 )
711 #endif
712 return wxString(tcp + 1);
713 } /* while */
714 #if defined(__WXMSW__) || defined(__WXPM__)
715 if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
716 return wxString(path + 2);
717 #endif
718 }
719 // Yes, this should return the path, not an empty string, otherwise
720 // we get "thing.txt" -> "".
721 return path1;
722 }
723
724 // Return just the directory, or NULL if no directory
725 wxChar *
726 wxPathOnly (wxChar *path)
727 {
728 if (path && *path)
729 {
730 static wxChar buf[_MAXPATHLEN];
731
732 // Local copy
733 wxStrcpy (buf, path);
734
735 int l = wxStrlen(path);
736 bool done = FALSE;
737
738 int i = l - 1;
739
740 // Search backward for a backward or forward slash
741 while (!done && i > -1)
742 {
743 // ] is for VMS
744 if (path[i] == wxT('/') || path[i] == wxT('\\') || path[i] == wxT(']'))
745 {
746 done = TRUE;
747 #ifdef __VMS__
748 buf[i+1] = 0;
749 #else
750 buf[i] = 0;
751 #endif
752
753 return buf;
754 }
755 else i --;
756 }
757
758 #if defined(__WXMSW__) || defined(__WXPM__)
759 // Try Drive specifier
760 if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
761 {
762 // A:junk --> A:. (since A:.\junk Not A:\junk)
763 buf[2] = wxT('.');
764 buf[3] = wxT('\0');
765 return buf;
766 }
767 #endif
768 }
769
770 return (wxChar *) NULL;
771 }
772
773 // Return just the directory, or NULL if no directory
774 wxString wxPathOnly (const wxString& path)
775 {
776 if (path != wxT(""))
777 {
778 wxChar buf[_MAXPATHLEN];
779
780 // Local copy
781 wxStrcpy (buf, WXSTRINGCAST path);
782
783 int l = path.Length();
784 bool done = FALSE;
785
786 int i = l - 1;
787
788 // Search backward for a backward or forward slash
789 while (!done && i > -1)
790 {
791 // ] is for VMS
792 if (path[i] == wxT('/') || path[i] == wxT('\\') || path[i] == wxT(']'))
793 {
794 done = TRUE;
795 #ifdef __VMS__
796 buf[i+1] = 0;
797 #else
798 buf[i] = 0;
799 #endif
800
801 return wxString(buf);
802 }
803 else i --;
804 }
805
806 #if defined(__WXMSW__) || defined(__WXPM__)
807 // Try Drive specifier
808 if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
809 {
810 // A:junk --> A:. (since A:.\junk Not A:\junk)
811 buf[2] = wxT('.');
812 buf[3] = wxT('\0');
813 return wxString(buf);
814 }
815 #endif
816 }
817
818 return wxString(wxT(""));
819 }
820
821 // Utility for converting delimiters in DOS filenames to UNIX style
822 // and back again - or we get nasty problems with delimiters.
823 // Also, convert to lower case, since case is significant in UNIX.
824
825 #ifdef __WXMAC__
826
827 static char sMacFileNameConversion[ 1000 ] ;
828
829 wxString wxMac2UnixFilename (const char *str)
830 {
831 char *s = sMacFileNameConversion ;
832 strcpy( s , str ) ;
833 if (s)
834 {
835 memmove( s+1 , s ,strlen( s ) + 1) ;
836 if ( *s == ':' )
837 *s = '.' ;
838 else
839 *s = '/' ;
840
841 while (*s)
842 {
843 if (*s == ':')
844 *s = '/';
845 else
846 *s = wxTolower (*s); // Case INDEPENDENT
847 s++;
848 }
849 }
850 return wxString (sMacFileNameConversion) ;
851 }
852
853 wxString wxUnix2MacFilename (const char *str)
854 {
855 char *s = sMacFileNameConversion ;
856 strcpy( s , str ) ;
857 if (s)
858 {
859 if ( *s == '.' )
860 {
861 // relative path , since it goes on with slash which is translated to a :
862 memmove( s , s+1 ,strlen( s ) ) ;
863 }
864 else if ( *s == '/' )
865 {
866 // absolute path -> on mac just start with the drive name
867 memmove( s , s+1 ,strlen( s ) ) ;
868 }
869 else
870 {
871 wxASSERT_MSG( 1 , "unkown path beginning" ) ;
872 }
873 while (*s)
874 {
875 if (*s == '/' || *s == '\\')
876 {
877 // convert any back-directory situations
878 if ( *(s+1) == '.' && *(s+2) == '.' && ( (*(s+3) == '/' || *(s+3) == '\\') ) )
879 {
880 *s = ':';
881 memmove( s+1 , s+3 ,strlen( s+3 ) + 1 ) ;
882 }
883 else
884 *s = ':';
885 }
886
887 s++ ;
888 }
889 }
890 return wxString (sMacFileNameConversion) ;
891 }
892
893 wxString wxMacFSSpec2MacFilename( const FSSpec *spec )
894 {
895 Handle myPath ;
896 short length ;
897
898 FSpGetFullPath( spec , &length , &myPath ) ;
899 ::SetHandleSize( myPath , length + 1 ) ;
900 ::HLock( myPath ) ;
901 (*myPath)[length] = 0 ;
902 if ( length > 0 && (*myPath)[length-1] ==':' )
903 (*myPath)[length-1] = 0 ;
904
905 wxString result( (char*) *myPath ) ;
906 ::HUnlock( myPath ) ;
907 ::DisposeHandle( myPath ) ;
908 return result ;
909 }
910
911 wxString wxMacFSSpec2UnixFilename( const FSSpec *spec )
912 {
913 return wxMac2UnixFilename( wxMacFSSpec2MacFilename( spec) ) ;
914 }
915
916 void wxMacFilename2FSSpec( const char *path , FSSpec *spec )
917 {
918 FSpLocationFromFullPath( strlen(path ) , path , spec ) ;
919 }
920
921 void wxUnixFilename2FSSpec( const char *path , FSSpec *spec )
922 {
923 wxString var = wxUnix2MacFilename( path ) ;
924 wxMacFilename2FSSpec( var , spec ) ;
925 }
926
927 #endif
928 void
929 wxDos2UnixFilename (char *s)
930 {
931 if (s)
932 while (*s)
933 {
934 if (*s == '\\')
935 *s = '/';
936 #ifdef __WXMSW__
937 else
938 *s = wxTolower (*s); // Case INDEPENDENT
939 #endif
940 s++;
941 }
942 }
943
944 void
945 #if defined(__WXMSW__) || defined(__WXPM__)
946 wxUnix2DosFilename (wxChar *s)
947 #else
948 wxUnix2DosFilename (wxChar *WXUNUSED(s) )
949 #endif
950 {
951 // Yes, I really mean this to happen under DOS only! JACS
952 #if defined(__WXMSW__) || defined(__WXPM__)
953 if (s)
954 while (*s)
955 {
956 if (*s == wxT('/'))
957 *s = wxT('\\');
958 s++;
959 }
960 #endif
961 }
962
963 // Concatenate two files to form third
964 bool
965 wxConcatFiles (const wxString& file1, const wxString& file2, const wxString& file3)
966 {
967 wxChar *outfile = wxGetTempFileName("cat");
968
969 FILE *fp1 = (FILE *) NULL;
970 FILE *fp2 = (FILE *) NULL;
971 FILE *fp3 = (FILE *) NULL;
972 // Open the inputs and outputs
973 #ifdef __WXMAC__
974 if ((fp1 = fopen (wxUnix2MacFilename( file1 ), "rb")) == NULL ||
975 (fp2 = fopen (wxUnix2MacFilename( file2 ), "rb")) == NULL ||
976 (fp3 = fopen (wxUnix2MacFilename( outfile ), "wb")) == NULL)
977 #else
978 if ((fp1 = wxFopen (WXSTRINGCAST file1, wxT("rb"))) == NULL ||
979 (fp2 = wxFopen (WXSTRINGCAST file2, wxT("rb"))) == NULL ||
980 (fp3 = wxFopen (outfile, wxT("wb"))) == NULL)
981 #endif
982 {
983 if (fp1)
984 fclose (fp1);
985 if (fp2)
986 fclose (fp2);
987 if (fp3)
988 fclose (fp3);
989 return FALSE;
990 }
991
992 int ch;
993 while ((ch = getc (fp1)) != EOF)
994 (void) putc (ch, fp3);
995 fclose (fp1);
996
997 while ((ch = getc (fp2)) != EOF)
998 (void) putc (ch, fp3);
999 fclose (fp2);
1000
1001 fclose (fp3);
1002 bool result = wxRenameFile(outfile, file3);
1003 delete[] outfile;
1004 return result;
1005 }
1006
1007 // Copy files
1008 bool
1009 wxCopyFile (const wxString& file1, const wxString& file2)
1010 {
1011 FILE *fd1;
1012 FILE *fd2;
1013 int ch;
1014
1015 #ifdef __WXMAC__
1016 if ((fd1 = fopen (wxUnix2MacFilename( file1 ), "rb")) == NULL)
1017 return FALSE;
1018 if ((fd2 = fopen (wxUnix2MacFilename( file2 ), "wb")) == NULL)
1019 #else
1020 if ((fd1 = wxFopen (WXSTRINGCAST file1, wxT("rb"))) == NULL)
1021 return FALSE;
1022 if ((fd2 = wxFopen (WXSTRINGCAST file2, wxT("wb"))) == NULL)
1023 #endif
1024 {
1025 fclose (fd1);
1026 return FALSE;
1027 }
1028
1029 while ((ch = getc (fd1)) != EOF)
1030 (void) putc (ch, fd2);
1031
1032 fclose (fd1);
1033 fclose (fd2);
1034 return TRUE;
1035 }
1036
1037 bool
1038 wxRenameFile (const wxString& file1, const wxString& file2)
1039 {
1040 #ifdef __WXMAC__
1041 if (0 == rename (wxUnix2MacFilename( file1 ), wxUnix2MacFilename( file2 )))
1042 return TRUE;
1043 #else
1044 // Normal system call
1045 if (0 == rename (wxFNSTRINGCAST file1.fn_str(), wxFNSTRINGCAST file2.fn_str()))
1046 return TRUE;
1047 #endif
1048 // Try to copy
1049 if (wxCopyFile(file1, file2)) {
1050 wxRemoveFile(file1);
1051 return TRUE;
1052 }
1053 // Give up
1054 return FALSE;
1055 }
1056
1057 bool wxRemoveFile(const wxString& file)
1058 {
1059 #if defined(__VISUALC__) || defined(__BORLANDC__) || defined(__WATCOMC__)
1060 int flag = remove(wxFNSTRINGCAST file.fn_str());
1061 #elif defined( __WXMAC__ )
1062 int flag = unlink(wxUnix2MacFilename( file ));
1063 #else
1064 int flag = unlink(wxFNSTRINGCAST file.fn_str());
1065 #endif
1066 return (flag == 0) ;
1067 }
1068
1069 bool wxMkdir(const wxString& dir, int perm)
1070 {
1071 #if defined( __WXMAC__ )
1072 return (mkdir(wxUnix2MacFilename( dir ) , 0 ) == 0);
1073 #else // !Mac
1074 const wxChar *dirname = dir.c_str();
1075
1076 // assume mkdir() has 2 args on non Windows-OS/2 platforms and on Windows too
1077 // for the GNU compiler
1078 #if (!(defined(__WXMSW__) || defined(__WXPM__))) || (defined(__GNUWIN32__) && !defined(__MINGW32__)) || defined(__WXWINE__)
1079 if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1080 #else // MSW and OS/2
1081 if ( mkdir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
1082 #endif // !MSW/MSW
1083 {
1084 wxLogSysError(_("Directory '%s' couldn't be created"), dirname);
1085
1086 return FALSE;
1087 }
1088
1089 return TRUE;
1090 #endif // Mac/!Mac
1091 }
1092
1093 bool wxRmdir(const wxString& dir, int WXUNUSED(flags))
1094 {
1095 #ifdef __VMS__
1096 return FALSE; //to be changed since rmdir exists in VMS7.x
1097 #elif defined( __WXMAC__ )
1098 return (rmdir(wxUnix2MacFilename( dir )) == 0);
1099 #else
1100
1101 #ifdef __SALFORDC__
1102 return FALSE; // What to do?
1103 #else
1104 return (rmdir(wxFNSTRINGCAST dir.fn_str()) == 0);
1105 #endif
1106
1107 #endif
1108 }
1109
1110 #if 0
1111 bool wxDirExists(const wxString& dir)
1112 {
1113 #ifdef __VMS__
1114 return FALSE; //To be changed since stat exists in VMS7.x
1115 #elif !defined(__WXMSW__)
1116 struct stat sbuf;
1117 return (stat(dir.fn_str(), &sbuf) != -1) && S_ISDIR(sbuf.st_mode) ? TRUE : FALSE;
1118 #else
1119
1120 /* MATTHEW: [6] Always use same code for Win32, call FindClose */
1121 #if defined(__WIN32__)
1122 WIN32_FIND_DATA fileInfo;
1123 #else
1124 #ifdef __BORLANDC__
1125 struct ffblk fileInfo;
1126 #else
1127 struct find_t fileInfo;
1128 #endif
1129 #endif
1130
1131 #if defined(__WIN32__)
1132 HANDLE h = FindFirstFile((LPTSTR) WXSTRINGCAST dir,(LPWIN32_FIND_DATA)&fileInfo);
1133
1134 if (h==INVALID_HANDLE_VALUE)
1135 return FALSE;
1136 else {
1137 FindClose(h);
1138 return ((fileInfo.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) == FILE_ATTRIBUTE_DIRECTORY);
1139 }
1140 #else
1141 // In Borland findfirst has a different argument
1142 // ordering from _dos_findfirst. But _dos_findfirst
1143 // _should_ be ok in both MS and Borland... why not?
1144 #ifdef __BORLANDC__
1145 return ((findfirst(WXSTRINGCAST dir, &fileInfo, _A_SUBDIR) == 0 && (fileInfo.ff_attrib & _A_SUBDIR) != 0));
1146 #else
1147 return (((_dos_findfirst(WXSTRINGCAST dir, _A_SUBDIR, &fileInfo) == 0) && (fileInfo.attrib & _A_SUBDIR)) != 0);
1148 #endif
1149 #endif
1150
1151 #endif
1152 }
1153
1154 #endif
1155
1156 // does the path exists? (may have or not '/' or '\\' at the end)
1157 bool wxPathExists(const wxChar *pszPathName)
1158 {
1159 /* Windows API returns -1 from stat for "c:\dir\" if "c:\dir" exists
1160 * OTOH, we should change "d:" to "d:\" and leave "\" as is. */
1161 wxString strPath(pszPathName);
1162 if ( wxEndsWithPathSeparator(pszPathName) && pszPathName[1] != wxT('\0') )
1163 strPath.Last() = wxT('\0');
1164
1165 #ifdef __SALFORDC__
1166 struct _stat st;
1167 #else
1168 struct stat st;
1169 #endif
1170
1171 return stat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 && (st.st_mode & S_IFDIR);
1172 }
1173
1174 // Get a temporary filename, opening and closing the file.
1175 wxChar *wxGetTempFileName(const wxString& prefix, wxChar *buf)
1176 {
1177 #ifdef __WINDOWS__
1178
1179 #ifndef __WIN32__
1180 wxChar tmp[144];
1181 ::GetTempFileName(0, WXSTRINGCAST prefix, 0, tmp);
1182 #else
1183 wxChar tmp[MAX_PATH];
1184 wxChar tmpPath[MAX_PATH];
1185 ::GetTempPath(MAX_PATH, tmpPath);
1186 ::GetTempFileName(tmpPath, WXSTRINGCAST prefix, 0, tmp);
1187 #endif
1188 if (buf) wxStrcpy(buf, tmp);
1189 else buf = copystring(tmp);
1190 return buf;
1191
1192 #else
1193 static short last_temp = 0; // cache last to speed things a bit
1194 // At most 1000 temp files to a process! We use a ring count.
1195 wxChar tmp[100]; // FIXME static buffer
1196
1197 for (short suffix = last_temp + 1; suffix != last_temp; ++suffix %= 1000)
1198 {
1199 wxSprintf (tmp, wxT("/tmp/%s%d.%03x"), WXSTRINGCAST prefix, (int) getpid (), (int) suffix);
1200 if (!wxFileExists( tmp ))
1201 {
1202 // Touch the file to create it (reserve name)
1203 FILE *fd = fopen (wxFNCONV(tmp), "w");
1204 if (fd)
1205 fclose (fd);
1206 last_temp = suffix;
1207 if (buf)
1208 wxStrcpy( buf, tmp);
1209 else
1210 buf = copystring( tmp );
1211 return buf;
1212 }
1213 }
1214 wxLogError( _("wxWindows: error finding temporary file name.\n") );
1215 if (buf) buf[0] = 0;
1216 return (wxChar *) NULL;
1217 #endif
1218 }
1219
1220 bool wxGetTempFileName(const wxString& prefix, wxString& buf)
1221 {
1222 wxChar buf2[512];
1223 if (wxGetTempFileName(prefix, buf2) != (wxChar*) NULL)
1224 {
1225 buf = buf2;
1226 return TRUE;
1227 }
1228 else
1229 return FALSE;
1230 }
1231
1232 // Get first file name matching given wild card.
1233
1234 #ifdef __UNIX__
1235
1236 // Get first file name matching given wild card.
1237 // Flags are reserved for future use.
1238
1239 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1240 static DIR *gs_dirStream = (DIR *) NULL;
1241 static wxString gs_strFileSpec;
1242 static int gs_findFlags = 0;
1243 #endif
1244
1245 wxString wxFindFirstFile(const wxChar *spec, int flags)
1246 {
1247 wxString result;
1248
1249 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1250 if (gs_dirStream)
1251 closedir(gs_dirStream); // edz 941103: better housekeping
1252
1253 gs_findFlags = flags;
1254
1255 gs_strFileSpec = spec;
1256
1257 // Find path only so we can concatenate
1258 // found file onto path
1259 wxString path(wxPathOnly(gs_strFileSpec));
1260
1261 // special case: path is really "/"
1262 if ( !path && gs_strFileSpec[0u] == wxT('/') )
1263 path = wxT('/');
1264 // path is empty => Local directory
1265 if ( !path )
1266 path = wxT('.');
1267
1268 gs_dirStream = opendir(path.fn_str());
1269 if ( !gs_dirStream )
1270 {
1271 wxLogSysError(_("Can not enumerate files in directory '%s'"),
1272 path.c_str());
1273 }
1274 else
1275 {
1276 result = wxFindNextFile();
1277 }
1278 #endif // !VMS6.x or earlier
1279
1280 return result;
1281 }
1282
1283 wxString wxFindNextFile()
1284 {
1285 wxString result;
1286
1287 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1288 wxCHECK_MSG( gs_dirStream, result, wxT("must call wxFindFirstFile first") );
1289
1290 // Find path only so we can concatenate
1291 // found file onto path
1292 wxString path(wxPathOnly(gs_strFileSpec));
1293 wxString name(wxFileNameFromPath(gs_strFileSpec));
1294
1295 /* MATTHEW: special case: path is really "/" */
1296 if ( !path && gs_strFileSpec[0u] == wxT('/'))
1297 path = wxT('/');
1298
1299 // Do the reading
1300 struct dirent *nextDir;
1301 for ( nextDir = readdir(gs_dirStream);
1302 nextDir != NULL;
1303 nextDir = readdir(gs_dirStream) )
1304 {
1305 if (wxMatchWild(name, nextDir->d_name, FALSE) && // RR: added FALSE to find hidden files
1306 strcmp(nextDir->d_name, ".") &&
1307 strcmp(nextDir->d_name, "..") )
1308 {
1309 result.Empty();
1310 if ( !path.IsEmpty() )
1311 {
1312 result = path;
1313 if ( path != wxT('/') )
1314 result += wxT('/');
1315 }
1316
1317 result += nextDir->d_name;
1318
1319 // Only return "." and ".." when they match
1320 bool isdir;
1321 if ( (strcmp(nextDir->d_name, ".") == 0) ||
1322 (strcmp(nextDir->d_name, "..") == 0))
1323 {
1324 if ( (gs_findFlags & wxDIR) != 0 )
1325 isdir = TRUE;
1326 else
1327 continue;
1328 }
1329 else
1330 isdir = wxDirExists(result);
1331
1332 // and only return directories when flags & wxDIR
1333 if ( !gs_findFlags ||
1334 ((gs_findFlags & wxDIR) && isdir) ||
1335 ((gs_findFlags & wxFILE) && !isdir) )
1336 {
1337 return result;
1338 }
1339 }
1340 }
1341
1342 result.Empty(); // not found
1343
1344 closedir(gs_dirStream);
1345 gs_dirStream = (DIR *) NULL;
1346 #endif // !VMS6.2 or earlier
1347
1348 return result;
1349 }
1350
1351 #elif defined(__WXMAC__)
1352
1353 struct MacDirectoryIterator
1354 {
1355 CInfoPBRec m_CPB ;
1356 wxInt16 m_index ;
1357 long m_dirId ;
1358 Str255 m_name ;
1359 } ;
1360
1361 static int g_iter_flags ;
1362
1363 static MacDirectoryIterator g_iter ;
1364
1365 wxString wxFindFirstFile(const wxChar *spec, int flags)
1366 {
1367 wxString result;
1368
1369 g_iter_flags = flags; /* MATTHEW: [5] Remember flags */
1370
1371 // Find path only so we can concatenate found file onto path
1372 wxString path(wxPathOnly(spec));
1373 if ( !path.IsEmpty() )
1374 result << path << wxT('\\');
1375
1376 FSSpec fsspec ;
1377
1378 wxUnixFilename2FSSpec( result , &fsspec ) ;
1379 g_iter.m_CPB.hFileInfo.ioVRefNum = fsspec.vRefNum ;
1380 g_iter.m_CPB.hFileInfo.ioNamePtr = g_iter.m_name ;
1381 g_iter.m_index = 0 ;
1382
1383 Boolean isDir ;
1384 FSpGetDirectoryID( &fsspec , &g_iter.m_dirId , &isDir ) ;
1385 if ( !isDir )
1386 return wxEmptyString ;
1387
1388 return wxFindNextFile( ) ;
1389 }
1390
1391 wxString wxFindNextFile()
1392 {
1393 wxString result;
1394
1395 short err = noErr ;
1396
1397 while ( err == noErr )
1398 {
1399 g_iter.m_index++ ;
1400 g_iter.m_CPB.dirInfo.ioFDirIndex = g_iter.m_index;
1401 g_iter.m_CPB.dirInfo.ioDrDirID = g_iter.m_dirId; /* we need to do this every time */
1402 err = PBGetCatInfoSync((CInfoPBPtr)&g_iter.m_CPB);
1403 if ( err != noErr )
1404 break ;
1405
1406 if ( ( g_iter.m_CPB.dirInfo.ioFlAttrib & ioDirMask) != 0 && (g_iter_flags & wxDIR) ) // we have a directory
1407 break ;
1408
1409 if ( ( g_iter.m_CPB.dirInfo.ioFlAttrib & ioDirMask) == 0 && !(g_iter_flags & wxFILE ) )
1410 continue ;
1411
1412 // hit !
1413 break ;
1414 }
1415 if ( err != noErr )
1416 {
1417 return wxEmptyString ;
1418 }
1419 FSSpec spec ;
1420
1421 FSMakeFSSpecCompat(g_iter.m_CPB.hFileInfo.ioVRefNum,
1422 g_iter.m_dirId,
1423 g_iter.m_name,
1424 &spec) ;
1425
1426 return wxMacFSSpec2UnixFilename( &spec ) ;
1427 }
1428
1429 #elif defined(__WXMSW__)
1430
1431 #ifdef __WIN32__
1432 static HANDLE gs_hFileStruct = INVALID_HANDLE_VALUE;
1433 static WIN32_FIND_DATA gs_findDataStruct;
1434 #else // Win16
1435 #ifdef __BORLANDC__
1436 static struct ffblk gs_findDataStruct;
1437 #else
1438 static struct _find_t gs_findDataStruct;
1439 #endif // Borland
1440 #endif // Win32/16
1441
1442 static wxString gs_strFileSpec;
1443 static int gs_findFlags = 0;
1444
1445 wxString wxFindFirstFile(const wxChar *spec, int flags)
1446 {
1447 wxString result;
1448
1449 gs_strFileSpec = spec;
1450 gs_findFlags = flags; /* MATTHEW: [5] Remember flags */
1451
1452 // Find path only so we can concatenate found file onto path
1453 wxString path(wxPathOnly(gs_strFileSpec));
1454 if ( !path.IsEmpty() )
1455 result << path << wxT('\\');
1456
1457 #ifdef __WIN32__
1458 if ( gs_hFileStruct != INVALID_HANDLE_VALUE )
1459 FindClose(gs_hFileStruct);
1460
1461 gs_hFileStruct = ::FindFirstFile(WXSTRINGCAST spec, &gs_findDataStruct);
1462
1463 if ( gs_hFileStruct == INVALID_HANDLE_VALUE )
1464 {
1465 result.Empty();
1466
1467 return result;
1468 }
1469
1470 bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1471
1472 if (isdir && !(flags & wxDIR))
1473 return wxFindNextFile();
1474 else if (!isdir && flags && !(flags & wxFILE))
1475 return wxFindNextFile();
1476
1477 result += gs_findDataStruct.cFileName;
1478
1479 return result;
1480 #else
1481 int flag = _A_NORMAL;
1482 if (flags & wxDIR) /* MATTHEW: [5] Use & */
1483 flag = _A_SUBDIR;
1484
1485 #ifdef __BORLANDC__
1486 if (findfirst(WXSTRINGCAST spec, &gs_findDataStruct, flag) == 0)
1487 #else
1488 if (_dos_findfirst(WXSTRINGCAST spec, flag, &gs_findDataStruct) == 0)
1489 #endif
1490 {
1491 /* MATTHEW: [5] Check directory flag */
1492 char attrib;
1493
1494 #ifdef __BORLANDC__
1495 attrib = gs_findDataStruct.ff_attrib;
1496 #else
1497 attrib = gs_findDataStruct.attrib;
1498 #endif
1499
1500 if (attrib & _A_SUBDIR) {
1501 if (!(gs_findFlags & wxDIR))
1502 return wxFindNextFile();
1503 } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1504 return wxFindNextFile();
1505
1506 result +=
1507 #ifdef __BORLANDC__
1508 gs_findDataStruct.ff_name
1509 #else
1510 gs_findDataStruct.name
1511 #endif
1512 ;
1513 }
1514 #endif // __WIN32__
1515
1516 return result;
1517 }
1518
1519 wxString wxFindNextFile()
1520 {
1521 wxString result;
1522
1523 // Find path only so we can concatenate found file onto path
1524 wxString path(wxPathOnly(gs_strFileSpec));
1525
1526 try_again:
1527
1528 #ifdef __WIN32__
1529 if (gs_hFileStruct == INVALID_HANDLE_VALUE)
1530 return result;
1531
1532 bool success = (FindNextFile(gs_hFileStruct, &gs_findDataStruct) != 0);
1533 if (!success)
1534 {
1535 FindClose(gs_hFileStruct);
1536 gs_hFileStruct = INVALID_HANDLE_VALUE;
1537 }
1538 else
1539 {
1540 bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1541
1542 if (isdir && !(gs_findFlags & wxDIR))
1543 goto try_again;
1544 else if (!isdir && gs_findFlags && !(gs_findFlags & wxFILE))
1545 goto try_again;
1546
1547 if ( !path.IsEmpty() )
1548 result << path << wxT('\\');
1549 result << gs_findDataStruct.cFileName;
1550 }
1551
1552 return result;
1553 #else // Win16
1554
1555 #ifdef __BORLANDC__
1556 if (findnext(&gs_findDataStruct) == 0)
1557 #else
1558 if (_dos_findnext(&gs_findDataStruct) == 0)
1559 #endif
1560 {
1561 /* MATTHEW: [5] Check directory flag */
1562 char attrib;
1563
1564 #ifdef __BORLANDC__
1565 attrib = gs_findDataStruct.ff_attrib;
1566 #else
1567 attrib = gs_findDataStruct.attrib;
1568 #endif
1569
1570 if (attrib & _A_SUBDIR) {
1571 if (!(gs_findFlags & wxDIR))
1572 goto try_again;
1573 } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1574 goto try_again;
1575
1576
1577 result +=
1578 #ifdef __BORLANDC__
1579 gs_findDataStruct.ff_name
1580 #else
1581 gs_findDataStruct.name
1582 #endif
1583 ;
1584 }
1585 #endif // Win32/16
1586
1587 return result;
1588 }
1589
1590 #endif // Unix/Windows
1591
1592 // Get current working directory.
1593 // If buf is NULL, allocates space using new, else
1594 // copies into buf.
1595 wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
1596 {
1597 if (!buf)
1598 buf = new wxChar[sz+1];
1599 #if wxUSE_UNICODE
1600 char *cbuf = new char[sz+1];
1601 #ifdef _MSC_VER
1602 if (_getcwd(cbuf, sz) == NULL) {
1603 #elif defined( __WXMAC__)
1604 enum
1605 {
1606 SFSaveDisk = 0x214, CurDirStore = 0x398
1607 };
1608 FSSpec cwdSpec ;
1609
1610 FSMakeFSSpec( - *(short *) SFSaveDisk , *(long *) CurDirStore , NULL , &cwdSpec ) ;
1611 wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
1612 strcpy( buf , res ) ;
1613 if (0) {
1614 #else
1615 if (getcwd(cbuf, sz) == NULL) {
1616 #endif
1617 delete [] cbuf;
1618 #else // wxUnicode
1619 #ifdef _MSC_VER
1620 if (_getcwd(buf, sz) == NULL) {
1621 #elif defined( __WXMAC__)
1622 enum
1623 {
1624 SFSaveDisk = 0x214, CurDirStore = 0x398
1625 };
1626 FSSpec cwdSpec ;
1627
1628 FSMakeFSSpec( - *(short *) SFSaveDisk , *(long *) CurDirStore , NULL , &cwdSpec ) ;
1629 wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
1630 strcpy( buf , res ) ;
1631 if (0) {
1632 #else
1633 if (getcwd(buf, sz) == NULL) {
1634 #endif
1635 #endif
1636 buf[0] = wxT('.');
1637 buf[1] = wxT('\0');
1638 }
1639 #if wxUSE_UNICODE
1640 else {
1641 wxConvFile.MB2WC(buf, cbuf, sz);
1642 delete [] cbuf;
1643 }
1644 #endif
1645 return buf;
1646 }
1647
1648 wxString wxGetCwd()
1649 {
1650 static const size_t maxPathLen = 1024;
1651
1652 wxString str;
1653 wxGetWorkingDirectory(str.GetWriteBuf(maxPathLen), maxPathLen);
1654 str.UngetWriteBuf();
1655
1656 return str;
1657 }
1658
1659 bool wxSetWorkingDirectory(const wxString& d)
1660 {
1661 #if defined( __UNIX__ ) || defined( __WXMAC__ ) || defined(__WXPM__)
1662 return (chdir(wxFNSTRINGCAST d.fn_str()) == 0);
1663 #elif defined(__WINDOWS__)
1664
1665 #ifdef __WIN32__
1666 return (bool)(SetCurrentDirectory(d) != 0);
1667 #else
1668 // Must change drive, too.
1669 bool isDriveSpec = ((strlen(d) > 1) && (d[1] == ':'));
1670 if (isDriveSpec)
1671 {
1672 wxChar firstChar = d[0];
1673
1674 // To upper case
1675 if (firstChar > 90)
1676 firstChar = firstChar - 32;
1677
1678 // To a drive number
1679 unsigned int driveNo = firstChar - 64;
1680 if (driveNo > 0)
1681 {
1682 unsigned int noDrives;
1683 _dos_setdrive(driveNo, &noDrives);
1684 }
1685 }
1686 bool success = (chdir(WXSTRINGCAST d) == 0);
1687
1688 return success;
1689 #endif
1690
1691 #endif
1692 }
1693
1694 // Get the OS directory if appropriate (such as the Windows directory).
1695 // On non-Windows platform, probably just return the empty string.
1696 wxString wxGetOSDirectory()
1697 {
1698 #ifdef __WINDOWS__
1699 wxChar buf[256];
1700 GetWindowsDirectory(buf, 256);
1701 return wxString(buf);
1702 #else
1703 return wxEmptyString;
1704 #endif
1705 }
1706
1707 bool wxEndsWithPathSeparator(const wxChar *pszFileName)
1708 {
1709 size_t len = wxStrlen(pszFileName);
1710 if ( len == 0 )
1711 return FALSE;
1712 else
1713 return wxIsPathSeparator(pszFileName[len - 1]);
1714 }
1715
1716 // find a file in a list of directories, returns false if not found
1717 bool wxFindFileInPath(wxString *pStr, const wxChar *pszPath, const wxChar *pszFile)
1718 {
1719 // we assume that it's not empty
1720 wxCHECK_MSG( !wxIsEmpty(pszFile), FALSE,
1721 _("empty file name in wxFindFileInPath"));
1722
1723 // skip path separator in the beginning of the file name if present
1724 if ( wxIsPathSeparator(*pszFile) )
1725 pszFile++;
1726
1727 // copy the path (strtok will modify it)
1728 wxChar *szPath = new wxChar[wxStrlen(pszPath) + 1];
1729 wxStrcpy(szPath, pszPath);
1730
1731 wxString strFile;
1732 wxChar *pc, *save_ptr;
1733 for ( pc = wxStrtok(szPath, wxPATH_SEP, &save_ptr);
1734 pc != NULL;
1735 pc = wxStrtok((wxChar *) NULL, wxPATH_SEP, &save_ptr) )
1736 {
1737 // search for the file in this directory
1738 strFile = pc;
1739 if ( !wxEndsWithPathSeparator(pc) )
1740 strFile += wxFILE_SEP_PATH;
1741 strFile += pszFile;
1742
1743 if ( FileExists(strFile) ) {
1744 *pStr = strFile;
1745 break;
1746 }
1747 }
1748
1749 // suppress warning about unused variable save_ptr when wxStrtok() is a
1750 // macro which throws away its third argument
1751 save_ptr = pc;
1752
1753 delete [] szPath;
1754
1755 return pc != NULL; // if true => we breaked from the loop
1756 }
1757
1758 void WXDLLEXPORT wxSplitPath(const wxChar *pszFileName,
1759 wxString *pstrPath,
1760 wxString *pstrName,
1761 wxString *pstrExt)
1762 {
1763 // it can be empty, but it shouldn't be NULL
1764 wxCHECK_RET( pszFileName, wxT("NULL file name in wxSplitPath") );
1765
1766 const wxChar *pDot = wxStrrchr(pszFileName, wxFILE_SEP_EXT);
1767
1768 #ifdef __WXMSW__
1769 // under Windows we understand both separators
1770 const wxChar *pSepUnix = wxStrrchr(pszFileName, wxFILE_SEP_PATH_UNIX);
1771 const wxChar *pSepDos = wxStrrchr(pszFileName, wxFILE_SEP_PATH_DOS);
1772 const wxChar *pLastSeparator = pSepUnix > pSepDos ? pSepUnix : pSepDos;
1773 #else // assume Unix
1774 const wxChar *pLastSeparator = wxStrrchr(pszFileName, wxFILE_SEP_PATH_UNIX);
1775
1776 if ( pDot == pszFileName )
1777 {
1778 // under Unix files like .profile are treated in a special way
1779 pDot = NULL;
1780 }
1781 #endif // MSW/Unix
1782
1783 if ( pDot < pLastSeparator )
1784 {
1785 // the dot is part of the path, not the start of the extension
1786 pDot = NULL;
1787 }
1788
1789 if ( pstrPath )
1790 {
1791 if ( pLastSeparator )
1792 *pstrPath = wxString(pszFileName, pLastSeparator - pszFileName);
1793 else
1794 pstrPath->Empty();
1795 }
1796
1797 if ( pstrName )
1798 {
1799 const wxChar *start = pLastSeparator ? pLastSeparator + 1 : pszFileName;
1800 const wxChar *end = pDot ? pDot : pszFileName + wxStrlen(pszFileName);
1801
1802 *pstrName = wxString(start, end - start);
1803 }
1804
1805 if ( pstrExt )
1806 {
1807 if ( pDot )
1808 *pstrExt = wxString(pDot + 1);
1809 else
1810 pstrExt->Empty();
1811 }
1812 }
1813
1814 //------------------------------------------------------------------------
1815 // wild character routines
1816 //------------------------------------------------------------------------
1817
1818 bool wxIsWild( const wxString& pattern )
1819 {
1820 wxString tmp = pattern;
1821 wxChar *pat = WXSTRINGCAST(tmp);
1822 while (*pat) {
1823 switch (*pat++) {
1824 case wxT('?'): case wxT('*'): case wxT('['): case wxT('{'):
1825 return TRUE;
1826 case wxT('\\'):
1827 if (!*pat++)
1828 return FALSE;
1829 }
1830 }
1831 return FALSE;
1832 };
1833
1834 bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
1835
1836 #if defined(HAVE_FNMATCH_H)
1837 {
1838 // this probably won't work well for multibyte chars in Unicode mode?
1839 if(dot_special)
1840 return fnmatch(pat.fn_str(), text.fn_str(), FNM_PERIOD) == 0;
1841 else
1842 return fnmatch(pat.fn_str(), text.fn_str(), 0) == 0;
1843 }
1844 #else
1845
1846 // #pragma error Broken implementation of wxMatchWild() -- needs fixing!
1847
1848 /*
1849 * WARNING: this code is broken!
1850 */
1851 {
1852 wxString tmp1 = pat;
1853 wxChar *pattern = WXSTRINGCAST(tmp1);
1854 wxString tmp2 = text;
1855 wxChar *str = WXSTRINGCAST(tmp2);
1856 wxChar c;
1857 wxChar *cp;
1858 bool done = FALSE, ret_code, ok;
1859 // Below is for vi fans
1860 const wxChar OB = wxT('{'), CB = wxT('}');
1861
1862 // dot_special means '.' only matches '.'
1863 if (dot_special && *str == wxT('.') && *pattern != *str)
1864 return FALSE;
1865
1866 while ((*pattern != wxT('\0')) && (!done)
1867 && (((*str==wxT('\0'))&&((*pattern==OB)||(*pattern==wxT('*'))))||(*str!=wxT('\0')))) {
1868 switch (*pattern) {
1869 case wxT('\\'):
1870 pattern++;
1871 if (*pattern != wxT('\0'))
1872 pattern++;
1873 break;
1874 case wxT('*'):
1875 pattern++;
1876 ret_code = FALSE;
1877 while ((*str!=wxT('\0'))
1878 && (!(ret_code=wxMatchWild(pattern, str++, FALSE))))
1879 /*loop*/;
1880 if (ret_code) {
1881 while (*str != wxT('\0'))
1882 str++;
1883 while (*pattern != wxT('\0'))
1884 pattern++;
1885 }
1886 break;
1887 case wxT('['):
1888 pattern++;
1889 repeat:
1890 if ((*pattern == wxT('\0')) || (*pattern == wxT(']'))) {
1891 done = TRUE;
1892 break;
1893 }
1894 if (*pattern == wxT('\\')) {
1895 pattern++;
1896 if (*pattern == wxT('\0')) {
1897 done = TRUE;
1898 break;
1899 }
1900 }
1901 if (*(pattern + 1) == wxT('-')) {
1902 c = *pattern;
1903 pattern += 2;
1904 if (*pattern == wxT(']')) {
1905 done = TRUE;
1906 break;
1907 }
1908 if (*pattern == wxT('\\')) {
1909 pattern++;
1910 if (*pattern == wxT('\0')) {
1911 done = TRUE;
1912 break;
1913 }
1914 }
1915 if ((*str < c) || (*str > *pattern)) {
1916 pattern++;
1917 goto repeat;
1918 }
1919 } else if (*pattern != *str) {
1920 pattern++;
1921 goto repeat;
1922 }
1923 pattern++;
1924 while ((*pattern != wxT(']')) && (*pattern != wxT('\0'))) {
1925 if ((*pattern == wxT('\\')) && (*(pattern + 1) != wxT('\0')))
1926 pattern++;
1927 pattern++;
1928 }
1929 if (*pattern != wxT('\0')) {
1930 pattern++, str++;
1931 }
1932 break;
1933 case wxT('?'):
1934 pattern++;
1935 str++;
1936 break;
1937 case OB:
1938 pattern++;
1939 while ((*pattern != CB) && (*pattern != wxT('\0'))) {
1940 cp = str;
1941 ok = TRUE;
1942 while (ok && (*cp != wxT('\0')) && (*pattern != wxT('\0'))
1943 && (*pattern != wxT(',')) && (*pattern != CB)) {
1944 if (*pattern == wxT('\\'))
1945 pattern++;
1946 ok = (*pattern++ == *cp++);
1947 }
1948 if (*pattern == wxT('\0')) {
1949 ok = FALSE;
1950 done = TRUE;
1951 break;
1952 } else if (ok) {
1953 str = cp;
1954 while ((*pattern != CB) && (*pattern != wxT('\0'))) {
1955 if (*++pattern == wxT('\\')) {
1956 if (*++pattern == CB)
1957 pattern++;
1958 }
1959 }
1960 } else {
1961 while (*pattern!=CB && *pattern!=wxT(',') && *pattern!=wxT('\0')) {
1962 if (*++pattern == wxT('\\')) {
1963 if (*++pattern == CB || *pattern == wxT(','))
1964 pattern++;
1965 }
1966 }
1967 }
1968 if (*pattern != wxT('\0'))
1969 pattern++;
1970 }
1971 break;
1972 default:
1973 if (*str == *pattern) {
1974 str++, pattern++;
1975 } else {
1976 done = TRUE;
1977 }
1978 }
1979 }
1980 while (*pattern == wxT('*'))
1981 pattern++;
1982 return ((*str == wxT('\0')) && (*pattern == wxT('\0')));
1983 };
1984
1985 #endif
1986
1987 #ifdef __VISUALC__
1988 #pragma warning(default:4706) // assignment within conditional expression
1989 #endif // VC++
wxWidgets (Impactor)