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[wxWidgets.git] / src / common / filefn.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: filefn.cpp
3 // Purpose: File- and directory-related functions
4 // Author: Julian Smart
5 // Modified by:
6 // Created: 29/01/98
7 // RCS-ID: $Id$
8 // Copyright: (c) 1998 Julian Smart
9 // Licence: wxWindows license
10 /////////////////////////////////////////////////////////////////////////////
11
12 // ============================================================================
13 // declarations
14 // ============================================================================
15
16 // ----------------------------------------------------------------------------
17 // headers
18 // ----------------------------------------------------------------------------
19
20 #ifdef __GNUG__
21 #pragma implementation "filefn.h"
22 #endif
23
24 // For compilers that support precompilation, includes "wx.h".
25 #include "wx/wxprec.h"
26 #include "wx/defs.h"
27
28 #ifdef __BORLANDC__
29 #pragma hdrstop
30 #endif
31
32 #include "wx/utils.h"
33 #include "wx/intl.h"
34 #include "wx/ffile.h"
35
36 // there are just too many of those...
37 #ifdef __VISUALC__
38 #pragma warning(disable:4706) // assignment within conditional expression
39 #endif // VC++
40
41 #include <ctype.h>
42 #include <stdio.h>
43 #include <stdlib.h>
44 #include <string.h>
45 #if !defined(__WATCOMC__)
46 #if !(defined(_MSC_VER) && (_MSC_VER > 800))
47 #include <errno.h>
48 #endif
49 #endif
50
51 #include <time.h>
52
53 #ifndef __MWERKS__
54 #include <sys/types.h>
55 #include <sys/stat.h>
56 #else
57 #include <stat.h>
58 #include <unistd.h>
59 #endif
60
61 #ifdef __UNIX__
62 #include <unistd.h>
63 #include <dirent.h>
64 #endif
65
66 #ifdef __WXPM__
67 #include <process.h>
68 #include "wx/os2/private.h"
69 #endif
70 #ifdef __WINDOWS__
71 #if !defined( __GNUWIN32__ ) && !defined( __MWERKS__ ) && !defined(__SALFORDC__)
72 #include <direct.h>
73 #include <dos.h>
74 #endif // __WINDOWS__
75 #endif // native Win compiler
76
77 #ifdef __GNUWIN32__
78 #ifndef __TWIN32__
79 #include <sys/unistd.h>
80 #endif
81 #endif
82
83 #ifdef __BORLANDC__ // Please someone tell me which version of Borland needs
84 // this (3.1 I believe) and how to test for it.
85 // If this works for Borland 4.0 as well, then no worries.
86 #include <dir.h>
87 #endif
88
89 #ifdef __SALFORDC__
90 #include <dir.h>
91 #include <unix.h>
92 #endif
93
94 #include "wx/setup.h"
95 #include "wx/log.h"
96
97 // No, Cygwin doesn't appear to have fnmatch.h after all.
98 #if defined(HAVE_FNMATCH_H)
99 #include "fnmatch.h"
100 #endif
101
102 #ifdef __WINDOWS__
103 #include <windows.h>
104 #endif
105
106 // ----------------------------------------------------------------------------
107 // constants
108 // ----------------------------------------------------------------------------
109
110 #define _MAXPATHLEN 500
111
112 extern wxChar *wxBuffer;
113
114 #ifdef __WXMAC__
115 #include "morefile.h"
116 #include "moreextr.h"
117 #include "fullpath.h"
118 #include "fspcompa.h"
119 #endif
120
121 IMPLEMENT_DYNAMIC_CLASS(wxPathList, wxStringList)
122
123 // ----------------------------------------------------------------------------
124 // private globals
125 // ----------------------------------------------------------------------------
126
127 static wxChar wxFileFunctionsBuffer[4*_MAXPATHLEN];
128
129 #if defined(__VISAGECPP__) && __IBMCPP__ >= 400
130 //
131 // VisualAge C++ V4.0 cannot have any external linkage const decs
132 // in headers included by more than one primary source
133 //
134 const off_t wxInvalidOffset = (off_t)-1;
135 #endif
136
137 // ----------------------------------------------------------------------------
138 // macros
139 // ----------------------------------------------------------------------------
140
141 // we need to translate Mac filenames before passing them to OS functions
142 #ifdef __MAC__
143 #define OS_FILENAME(s) (wxUnix2MacFilename(s))
144 #else
145 #define OS_FILENAME(s) (s.fn_str())
146 #endif
147
148 // ============================================================================
149 // implementation
150 // ============================================================================
151
152 void wxPathList::Add (const wxString& path)
153 {
154 wxStringList::Add (WXSTRINGCAST path);
155 }
156
157 // Add paths e.g. from the PATH environment variable
158 void wxPathList::AddEnvList (const wxString& envVariable)
159 {
160 static const wxChar PATH_TOKS[] =
161 #ifdef __WINDOWS__
162 wxT(" ;"); // Don't seperate with colon in DOS (used for drive)
163 #else
164 wxT(" :;");
165 #endif
166
167 wxChar *val = wxGetenv (WXSTRINGCAST envVariable);
168 if (val && *val)
169 {
170 wxChar *s = copystring (val);
171 wxChar *save_ptr, *token = wxStrtok (s, PATH_TOKS, &save_ptr);
172
173 if (token)
174 {
175 Add (copystring (token));
176 while (token)
177 {
178 if ((token = wxStrtok ((wxChar *) NULL, PATH_TOKS, &save_ptr)) != NULL)
179 Add (wxString(token));
180 }
181 }
182
183 // suppress warning about unused variable save_ptr when wxStrtok() is a
184 // macro which throws away its third argument
185 save_ptr = token;
186
187 delete [] s;
188 }
189 }
190
191 // Given a full filename (with path), ensure that that file can
192 // be accessed again USING FILENAME ONLY by adding the path
193 // to the list if not already there.
194 void wxPathList::EnsureFileAccessible (const wxString& path)
195 {
196 wxString path_only(wxPathOnly(path));
197 if ( !path_only.IsEmpty() )
198 {
199 if ( !Member(path_only) )
200 Add(path_only);
201 }
202 }
203
204 bool wxPathList::Member (const wxString& path)
205 {
206 for (wxNode * node = First (); node != NULL; node = node->Next ())
207 {
208 wxString path2((wxChar *) node->Data ());
209 if (
210 #if defined(__WINDOWS__) || defined(__VMS__) || defined (__WXMAC__)
211 // Case INDEPENDENT
212 path.CompareTo (path2, wxString::ignoreCase) == 0
213 #else
214 // Case sensitive File System
215 path.CompareTo (path2) == 0
216 #endif
217 )
218 return TRUE;
219 }
220 return FALSE;
221 }
222
223 wxString wxPathList::FindValidPath (const wxString& file)
224 {
225 if (wxFileExists (wxExpandPath(wxFileFunctionsBuffer, file)))
226 return wxString(wxFileFunctionsBuffer);
227
228 wxChar buf[_MAXPATHLEN];
229 wxStrcpy(buf, wxFileFunctionsBuffer);
230
231 wxChar *filename = (wxChar*) NULL; /* shut up buggy egcs warning */
232 filename = IsAbsolutePath (buf) ? wxFileNameFromPath (buf) : (wxChar *)buf;
233
234 for (wxNode * node = First (); node; node = node->Next ())
235 {
236 wxChar *path = (wxChar *) node->Data ();
237 wxStrcpy (wxFileFunctionsBuffer, path);
238 wxChar ch = wxFileFunctionsBuffer[wxStrlen(wxFileFunctionsBuffer)-1];
239 if (ch != wxT('\\') && ch != wxT('/'))
240 wxStrcat (wxFileFunctionsBuffer, wxT("/"));
241 wxStrcat (wxFileFunctionsBuffer, filename);
242 #ifdef __WINDOWS__
243 Unix2DosFilename (wxFileFunctionsBuffer);
244 #endif
245 if (wxFileExists (wxFileFunctionsBuffer))
246 {
247 return wxString(wxFileFunctionsBuffer); // Found!
248 }
249 } // for()
250
251 return wxString(wxT("")); // Not found
252 }
253
254 wxString wxPathList::FindAbsoluteValidPath (const wxString& file)
255 {
256 wxString f = FindValidPath(file);
257 if ( wxIsAbsolutePath(f) )
258 return f;
259
260 wxString buf;
261 wxGetWorkingDirectory(buf.GetWriteBuf(_MAXPATHLEN), _MAXPATHLEN - 1);
262 buf.UngetWriteBuf();
263 if ( !wxEndsWithPathSeparator(buf) )
264 {
265 buf += wxFILE_SEP_PATH;
266 }
267 buf += f;
268
269 return buf;
270 }
271
272 bool
273 wxFileExists (const wxString& filename)
274 {
275 #ifdef __GNUWIN32__ // (fix a B20 bug)
276 return GetFileAttributes(filename) != 0xFFFFFFFF;
277 #else
278 wxStructStat stbuf;
279 if ( !filename.empty() && wxStat (OS_FILENAME(filename), &stbuf) == 0 )
280 return TRUE;
281
282 return FALSE;
283 #endif
284 }
285
286 bool
287 wxIsAbsolutePath (const wxString& filename)
288 {
289 if (filename != wxT(""))
290 {
291 if (filename[0] == wxT('/')
292 #ifdef __VMS__
293 || (filename[0] == wxT('[') && filename[1] != wxT('.'))
294 #endif
295 #ifdef __WINDOWS__
296 /* MSDOS */
297 || filename[0] == wxT('\\') || (wxIsalpha (filename[0]) && filename[1] == wxT(':'))
298 #endif
299 )
300 return TRUE;
301 }
302 return FALSE;
303 }
304
305 /*
306 * Strip off any extension (dot something) from end of file,
307 * IF one exists. Inserts zero into buffer.
308 *
309 */
310
311 void wxStripExtension(wxChar *buffer)
312 {
313 int len = wxStrlen(buffer);
314 int i = len-1;
315 while (i > 0)
316 {
317 if (buffer[i] == wxT('.'))
318 {
319 buffer[i] = 0;
320 break;
321 }
322 i --;
323 }
324 }
325
326 void wxStripExtension(wxString& buffer)
327 {
328 size_t len = buffer.Length();
329 size_t i = len-1;
330 while (i > 0)
331 {
332 if (buffer.GetChar(i) == wxT('.'))
333 {
334 buffer = buffer.Left(i);
335 break;
336 }
337 i --;
338 }
339 }
340
341 // Destructive removal of /./ and /../ stuff
342 wxChar *wxRealPath (wxChar *path)
343 {
344 #ifdef __WXMSW__
345 static const wxChar SEP = wxT('\\');
346 Unix2DosFilename(path);
347 #else
348 static const wxChar SEP = wxT('/');
349 #endif
350 if (path[0] && path[1]) {
351 /* MATTHEW: special case "/./x" */
352 wxChar *p;
353 if (path[2] == SEP && path[1] == wxT('.'))
354 p = &path[0];
355 else
356 p = &path[2];
357 for (; *p; p++)
358 {
359 if (*p == SEP)
360 {
361 if (p[1] == wxT('.') && p[2] == wxT('.') && (p[3] == SEP || p[3] == wxT('\0')))
362 {
363 wxChar *q;
364 for (q = p - 1; q >= path && *q != SEP; q--);
365 if (q[0] == SEP && (q[1] != wxT('.') || q[2] != wxT('.') || q[3] != SEP)
366 && (q - 1 <= path || q[-1] != SEP))
367 {
368 wxStrcpy (q, p + 3);
369 if (path[0] == wxT('\0'))
370 {
371 path[0] = SEP;
372 path[1] = wxT('\0');
373 }
374 #ifdef __WXMSW__
375 /* Check that path[2] is NULL! */
376 else if (path[1] == wxT(':') && !path[2])
377 {
378 path[2] = SEP;
379 path[3] = wxT('\0');
380 }
381 #endif
382 p = q - 1;
383 }
384 }
385 else if (p[1] == wxT('.') && (p[2] == SEP || p[2] == wxT('\0')))
386 wxStrcpy (p, p + 2);
387 }
388 }
389 }
390 return path;
391 }
392
393 // Must be destroyed
394 wxChar *wxCopyAbsolutePath(const wxString& filename)
395 {
396 if (filename == wxT(""))
397 return (wxChar *) NULL;
398
399 if (! IsAbsolutePath(wxExpandPath(wxFileFunctionsBuffer, filename))) {
400 wxChar buf[_MAXPATHLEN];
401 buf[0] = wxT('\0');
402 wxGetWorkingDirectory(buf, WXSIZEOF(buf));
403 wxChar ch = buf[wxStrlen(buf) - 1];
404 #ifdef __WXMSW__
405 if (ch != wxT('\\') && ch != wxT('/'))
406 wxStrcat(buf, wxT("\\"));
407 #else
408 if (ch != wxT('/'))
409 wxStrcat(buf, wxT("/"));
410 #endif
411 wxStrcat(buf, wxFileFunctionsBuffer);
412 return copystring( wxRealPath(buf) );
413 }
414 return copystring( wxFileFunctionsBuffer );
415 }
416
417 /*-
418 Handles:
419 ~/ => home dir
420 ~user/ => user's home dir
421 If the environment variable a = "foo" and b = "bar" then:
422 Unix:
423 $a => foo
424 $a$b => foobar
425 $a.c => foo.c
426 xxx$a => xxxfoo
427 ${a}! => foo!
428 $(b)! => bar!
429 \$a => \$a
430 MSDOS:
431 $a ==> $a
432 $(a) ==> foo
433 $(a)$b ==> foo$b
434 $(a)$(b)==> foobar
435 test.$$ ==> test.$$
436 */
437
438 /* input name in name, pathname output to buf. */
439
440 wxChar *wxExpandPath(wxChar *buf, const wxChar *name)
441 {
442 register wxChar *d, *s, *nm;
443 wxChar lnm[_MAXPATHLEN];
444 int q;
445
446 // Some compilers don't like this line.
447 // const wxChar trimchars[] = wxT("\n \t");
448
449 wxChar trimchars[4];
450 trimchars[0] = wxT('\n');
451 trimchars[1] = wxT(' ');
452 trimchars[2] = wxT('\t');
453 trimchars[3] = 0;
454
455 #ifdef __WXMSW__
456 const wxChar SEP = wxT('\\');
457 #else
458 const wxChar SEP = wxT('/');
459 #endif
460 buf[0] = wxT('\0');
461 if (name == NULL || *name == wxT('\0'))
462 return buf;
463 nm = copystring(name); // Make a scratch copy
464 wxChar *nm_tmp = nm;
465
466 /* Skip leading whitespace and cr */
467 while (wxStrchr((wxChar *)trimchars, *nm) != NULL)
468 nm++;
469 /* And strip off trailing whitespace and cr */
470 s = nm + (q = wxStrlen(nm)) - 1;
471 while (q-- && wxStrchr((wxChar *)trimchars, *s) != NULL)
472 *s = wxT('\0');
473
474 s = nm;
475 d = lnm;
476 #ifdef __WXMSW__
477 q = FALSE;
478 #else
479 q = nm[0] == wxT('\\') && nm[1] == wxT('~');
480 #endif
481
482 /* Expand inline environment variables */
483 #ifdef __VISAGECPP__
484 while (*d)
485 {
486 *d++ = *s;
487 if(*s == wxT('\\'))
488 {
489 *(d - 1) = *++s;
490 if (*d)
491 {
492 s++;
493 continue;
494 }
495 else
496 break;
497 }
498 else
499 #else
500 while ((*d++ = *s)) {
501 # ifndef __WXMSW__
502 if (*s == wxT('\\')) {
503 if ((*(d - 1) = *++s)) {
504 s++;
505 continue;
506 } else
507 break;
508 } else
509 # endif
510 #endif
511 #ifdef __WXMSW__
512 if (*s++ == wxT('$') && (*s == wxT('{') || *s == wxT(')')))
513 #else
514 if (*s++ == wxT('$'))
515 #endif
516 {
517 register wxChar *start = d;
518 register int braces = (*s == wxT('{') || *s == wxT('('));
519 register wxChar *value;
520 #ifdef __VISAGECPP__
521 // VA gives assignment in logical expr warning
522 while (*d)
523 *d++ = *s;
524 #else
525 while ((*d++ = *s))
526 #endif
527 if (braces ? (*s == wxT('}') || *s == wxT(')')) : !(wxIsalnum(*s) || *s == wxT('_')) )
528 break;
529 else
530 s++;
531 *--d = 0;
532 value = wxGetenv(braces ? start + 1 : start);
533 if (value) {
534 #ifdef __VISAGECPP__
535 // VA gives assignment in logical expr warning
536 for ((d = start - 1); (*d); *d++ = *value++);
537 #else
538 for ((d = start - 1); (*d++ = *value++););
539 #endif
540 d--;
541 if (braces && *s)
542 s++;
543 }
544 }
545 }
546
547 /* Expand ~ and ~user */
548 nm = lnm;
549 s = wxT("");
550 if (nm[0] == wxT('~') && !q)
551 {
552 /* prefix ~ */
553 if (nm[1] == SEP || nm[1] == 0)
554 { /* ~/filename */
555 // FIXME: wxGetUserHome could return temporary storage in Unicode mode
556 if ((s = WXSTRINGCAST wxGetUserHome(wxT(""))) != NULL) {
557 if (*++nm)
558 nm++;
559 }
560 } else
561 { /* ~user/filename */
562 register wxChar *nnm;
563 register wxChar *home;
564 for (s = nm; *s && *s != SEP; s++);
565 int was_sep; /* MATTHEW: Was there a separator, or NULL? */
566 was_sep = (*s == SEP);
567 nnm = *s ? s + 1 : s;
568 *s = 0;
569 // FIXME: wxGetUserHome could return temporary storage in Unicode mode
570 if ((home = WXSTRINGCAST wxGetUserHome(wxString(nm + 1))) == NULL) {
571 if (was_sep) /* replace only if it was there: */
572 *s = SEP;
573 s = wxT("");
574 } else {
575 nm = nnm;
576 s = home;
577 }
578 }
579 }
580
581 d = buf;
582 if (s && *s) { /* MATTHEW: s could be NULL if user '~' didn't exist */
583 /* Copy home dir */
584 while (wxT('\0') != (*d++ = *s++))
585 /* loop */;
586 // Handle root home
587 if (d - 1 > buf && *(d - 2) != SEP)
588 *(d - 1) = SEP;
589 }
590 s = nm;
591 #ifdef __VISAGECPP__
592 // VA gives assignment in logical expr warning
593 while (*d)
594 *d++ = *s++;
595 #else
596 while ((*d++ = *s++));
597 #endif
598 delete[] nm_tmp; // clean up alloc
599 /* Now clean up the buffer */
600 return wxRealPath(buf);
601 }
602
603 /* Contract Paths to be build upon an environment variable
604 component:
605
606 example: "/usr/openwin/lib", OPENWINHOME --> ${OPENWINHOME}/lib
607
608 The call wxExpandPath can convert these back!
609 */
610 wxChar *
611 wxContractPath (const wxString& filename, const wxString& envname, const wxString& user)
612 {
613 static wxChar dest[_MAXPATHLEN];
614
615 if (filename == wxT(""))
616 return (wxChar *) NULL;
617
618 wxStrcpy (dest, WXSTRINGCAST filename);
619 #ifdef __WXMSW__
620 Unix2DosFilename(dest);
621 #endif
622
623 // Handle environment
624 const wxChar *val = (const wxChar *) NULL;
625 wxChar *tcp = (wxChar *) NULL;
626 if (envname != WXSTRINGCAST NULL && (val = wxGetenv (WXSTRINGCAST envname)) != NULL &&
627 (tcp = wxStrstr (dest, val)) != NULL)
628 {
629 wxStrcpy (wxFileFunctionsBuffer, tcp + wxStrlen (val));
630 *tcp++ = wxT('$');
631 *tcp++ = wxT('{');
632 wxStrcpy (tcp, WXSTRINGCAST envname);
633 wxStrcat (tcp, wxT("}"));
634 wxStrcat (tcp, wxFileFunctionsBuffer);
635 }
636
637 // Handle User's home (ignore root homes!)
638 size_t len = 0;
639 if ((val = wxGetUserHome (user)) != NULL &&
640 (len = wxStrlen(val)) > 2 &&
641 wxStrncmp(dest, val, len) == 0)
642 {
643 wxStrcpy(wxFileFunctionsBuffer, wxT("~"));
644 if (user != wxT(""))
645 wxStrcat(wxFileFunctionsBuffer, (const wxChar*) user);
646 #ifdef __WXMSW__
647 // strcat(wxFileFunctionsBuffer, "\\");
648 #else
649 // strcat(wxFileFunctionsBuffer, "/");
650 #endif
651 wxStrcat(wxFileFunctionsBuffer, dest + len);
652 wxStrcpy (dest, wxFileFunctionsBuffer);
653 }
654
655 return dest;
656 }
657
658 // Return just the filename, not the path
659 // (basename)
660 wxChar *wxFileNameFromPath (wxChar *path)
661 {
662 if (path)
663 {
664 register wxChar *tcp;
665
666 tcp = path + wxStrlen (path);
667 while (--tcp >= path)
668 {
669 if (*tcp == wxT('/') || *tcp == wxT('\\')
670 #ifdef __VMS__
671 || *tcp == wxT(':') || *tcp == wxT(']'))
672 #else
673 )
674 #endif
675 return tcp + 1;
676 } /* while */
677 #if defined(__WXMSW__) || defined(__WXPM__)
678 if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
679 return path + 2;
680 #endif
681 }
682 return path;
683 }
684
685 wxString wxFileNameFromPath (const wxString& path1)
686 {
687 if (path1 != wxT(""))
688 {
689
690 wxChar *path = WXSTRINGCAST path1 ;
691 register wxChar *tcp;
692
693 tcp = path + wxStrlen (path);
694 while (--tcp >= path)
695 {
696 if (*tcp == wxT('/') || *tcp == wxT('\\')
697 #ifdef __VMS__
698 || *tcp == wxT(':') || *tcp == wxT(']'))
699 #else
700 )
701 #endif
702 return wxString(tcp + 1);
703 } /* while */
704 #if defined(__WXMSW__) || defined(__WXPM__)
705 if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
706 return wxString(path + 2);
707 #endif
708 }
709 // Yes, this should return the path, not an empty string, otherwise
710 // we get "thing.txt" -> "".
711 return path1;
712 }
713
714 // Return just the directory, or NULL if no directory
715 wxChar *
716 wxPathOnly (wxChar *path)
717 {
718 if (path && *path)
719 {
720 static wxChar buf[_MAXPATHLEN];
721
722 // Local copy
723 wxStrcpy (buf, path);
724
725 int l = wxStrlen(path);
726 bool done = FALSE;
727
728 int i = l - 1;
729
730 // Search backward for a backward or forward slash
731 while (!done && i > -1)
732 {
733 // ] is for VMS
734 if (path[i] == wxT('/') || path[i] == wxT('\\') || path[i] == wxT(']'))
735 {
736 done = TRUE;
737 #ifdef __VMS__
738 if ( path[i] == wxT(']') )
739 buf[i+1] = 0;
740 else
741 #endif
742 buf[i] = 0;
743
744 return buf;
745 }
746 else i --;
747 }
748
749 #if defined(__WXMSW__) || defined(__WXPM__)
750 // Try Drive specifier
751 if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
752 {
753 // A:junk --> A:. (since A:.\junk Not A:\junk)
754 buf[2] = wxT('.');
755 buf[3] = wxT('\0');
756 return buf;
757 }
758 #endif
759 }
760
761 return (wxChar *) NULL;
762 }
763
764 // Return just the directory, or NULL if no directory
765 wxString wxPathOnly (const wxString& path)
766 {
767 if (path != wxT(""))
768 {
769 wxChar buf[_MAXPATHLEN];
770
771 // Local copy
772 wxStrcpy (buf, WXSTRINGCAST path);
773
774 int l = path.Length();
775 bool done = FALSE;
776
777 int i = l - 1;
778
779 // Search backward for a backward or forward slash
780 while (!done && i > -1)
781 {
782 // ] is for VMS
783 if (path[i] == wxT('/') || path[i] == wxT('\\') || path[i] == wxT(']'))
784 {
785 done = TRUE;
786 #ifdef __VMS__
787 if ( path[i] == wxT(']') )
788 buf[i+1] = 0;
789 else
790 #endif
791 buf[i] = 0;
792
793 return wxString(buf);
794 }
795 else i --;
796 }
797
798 #if defined(__WXMSW__) || defined(__WXPM__)
799 // Try Drive specifier
800 if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
801 {
802 // A:junk --> A:. (since A:.\junk Not A:\junk)
803 buf[2] = wxT('.');
804 buf[3] = wxT('\0');
805 return wxString(buf);
806 }
807 #endif
808 }
809
810 return wxString(wxT(""));
811 }
812
813 // Utility for converting delimiters in DOS filenames to UNIX style
814 // and back again - or we get nasty problems with delimiters.
815 // Also, convert to lower case, since case is significant in UNIX.
816
817 #ifdef __WXMAC__
818
819 static char sMacFileNameConversion[ 1000 ] ;
820
821 wxString wxMac2UnixFilename (const char *str)
822 {
823 char *s = sMacFileNameConversion ;
824 strcpy( s , str ) ;
825 if (s)
826 {
827 memmove( s+1 , s ,strlen( s ) + 1) ;
828 if ( *s == ':' )
829 *s = '.' ;
830 else
831 *s = '/' ;
832
833 while (*s)
834 {
835 if (*s == ':')
836 *s = '/';
837 else
838 *s = wxTolower (*s); // Case INDEPENDENT
839 s++;
840 }
841 }
842 return wxString (sMacFileNameConversion) ;
843 }
844
845 wxString wxUnix2MacFilename (const char *str)
846 {
847 char *s = sMacFileNameConversion ;
848 strcpy( s , str ) ;
849 if (s)
850 {
851 if ( *s == '.' )
852 {
853 // relative path , since it goes on with slash which is translated to a :
854 memmove( s , s+1 ,strlen( s ) ) ;
855 }
856 else if ( *s == '/' )
857 {
858 // absolute path -> on mac just start with the drive name
859 memmove( s , s+1 ,strlen( s ) ) ;
860 }
861 else
862 {
863 wxASSERT_MSG( 1 , "unkown path beginning" ) ;
864 }
865 while (*s)
866 {
867 if (*s == '/' || *s == '\\')
868 {
869 // convert any back-directory situations
870 if ( *(s+1) == '.' && *(s+2) == '.' && ( (*(s+3) == '/' || *(s+3) == '\\') ) )
871 {
872 *s = ':';
873 memmove( s+1 , s+3 ,strlen( s+3 ) + 1 ) ;
874 }
875 else
876 *s = ':';
877 }
878
879 s++ ;
880 }
881 }
882 return wxString (sMacFileNameConversion) ;
883 }
884
885 wxString wxMacFSSpec2MacFilename( const FSSpec *spec )
886 {
887 Handle myPath ;
888 short length ;
889
890 FSpGetFullPath( spec , &length , &myPath ) ;
891 ::SetHandleSize( myPath , length + 1 ) ;
892 ::HLock( myPath ) ;
893 (*myPath)[length] = 0 ;
894 if ( length > 0 && (*myPath)[length-1] ==':' )
895 (*myPath)[length-1] = 0 ;
896
897 wxString result( (char*) *myPath ) ;
898 ::HUnlock( myPath ) ;
899 ::DisposeHandle( myPath ) ;
900 return result ;
901 }
902
903 wxString wxMacFSSpec2UnixFilename( const FSSpec *spec )
904 {
905 return wxMac2UnixFilename( wxMacFSSpec2MacFilename( spec) ) ;
906 }
907
908 void wxMacFilename2FSSpec( const char *path , FSSpec *spec )
909 {
910 FSpLocationFromFullPath( strlen(path ) , path , spec ) ;
911 }
912
913 void wxUnixFilename2FSSpec( const char *path , FSSpec *spec )
914 {
915 wxString var = wxUnix2MacFilename( path ) ;
916 wxMacFilename2FSSpec( var , spec ) ;
917 }
918
919 #endif
920 void
921 wxDos2UnixFilename (char *s)
922 {
923 if (s)
924 while (*s)
925 {
926 if (*s == '\\')
927 *s = '/';
928 #ifdef __WXMSW__
929 else
930 *s = wxTolower (*s); // Case INDEPENDENT
931 #endif
932 s++;
933 }
934 }
935
936 void
937 #if defined(__WXMSW__) || defined(__WXPM__)
938 wxUnix2DosFilename (wxChar *s)
939 #else
940 wxUnix2DosFilename (wxChar *WXUNUSED(s) )
941 #endif
942 {
943 // Yes, I really mean this to happen under DOS only! JACS
944 #if defined(__WXMSW__) || defined(__WXPM__)
945 if (s)
946 while (*s)
947 {
948 if (*s == wxT('/'))
949 *s = wxT('\\');
950 s++;
951 }
952 #endif
953 }
954
955 // Concatenate two files to form third
956 bool
957 wxConcatFiles (const wxString& file1, const wxString& file2, const wxString& file3)
958 {
959 wxString outfile;
960 if ( !wxGetTempFileName("cat", outfile) )
961 return FALSE;
962
963 FILE *fp1 = (FILE *) NULL;
964 FILE *fp2 = (FILE *) NULL;
965 FILE *fp3 = (FILE *) NULL;
966 // Open the inputs and outputs
967 if ((fp1 = fopen (OS_FILENAME( file1 ), "rb")) == NULL ||
968 (fp2 = fopen (OS_FILENAME( file2 ), "rb")) == NULL ||
969 (fp3 = fopen (OS_FILENAME( outfile ), "wb")) == NULL)
970 {
971 if (fp1)
972 fclose (fp1);
973 if (fp2)
974 fclose (fp2);
975 if (fp3)
976 fclose (fp3);
977 return FALSE;
978 }
979
980 int ch;
981 while ((ch = getc (fp1)) != EOF)
982 (void) putc (ch, fp3);
983 fclose (fp1);
984
985 while ((ch = getc (fp2)) != EOF)
986 (void) putc (ch, fp3);
987 fclose (fp2);
988
989 fclose (fp3);
990 bool result = wxRenameFile(outfile, file3);
991 delete outfile;
992 return result;
993 }
994
995 // Copy files
996 bool
997 wxCopyFile (const wxString& file1, const wxString& file2)
998 {
999 wxFFile fileIn(file1, "rb");
1000 if ( !fileIn.IsOpened() )
1001 return FALSE;
1002
1003 wxFFile fileOut(file2, "wb");
1004 if ( !fileOut.IsOpened() )
1005 return FALSE;
1006
1007 char buf[4096];
1008 size_t count;
1009 for ( ;; )
1010 {
1011 count = fileIn.Read(buf, WXSIZEOF(buf));
1012 if ( fileIn.Error() )
1013 return FALSE;
1014
1015 // end of file?
1016 if ( !count )
1017 break;
1018
1019 if ( fileOut.Write(buf, count) < count )
1020 return FALSE;
1021 }
1022
1023 return TRUE;
1024 }
1025
1026 bool
1027 wxRenameFile (const wxString& file1, const wxString& file2)
1028 {
1029 // Normal system call
1030 if ( wxRename (OS_FILENAME(file1), OS_FILENAME(file2)) == 0 )
1031 return TRUE;
1032
1033 // Try to copy
1034 if (wxCopyFile(file1, file2)) {
1035 wxRemoveFile(file1);
1036 return TRUE;
1037 }
1038 // Give up
1039 return FALSE;
1040 }
1041
1042 bool wxRemoveFile(const wxString& file)
1043 {
1044 #if defined(__VISUALC__) || defined(__BORLANDC__) || defined(__WATCOMC__)
1045 int res = wxRemove(file);
1046 #else
1047 int res = unlink(OS_FILENAME(file));
1048 #endif
1049
1050 return res == 0;
1051 }
1052
1053 bool wxMkdir(const wxString& dir, int perm)
1054 {
1055 #if defined( __WXMAC__ )
1056 return (mkdir(wxUnix2MacFilename( dir ) , 0 ) == 0);
1057 #else // !Mac
1058 const wxChar *dirname = dir.c_str();
1059
1060 // assume mkdir() has 2 args on non Windows-OS/2 platforms and on Windows too
1061 // for the GNU compiler
1062 #if (!(defined(__WXMSW__) || defined(__WXPM__))) || (defined(__GNUWIN32__) && !defined(__MINGW32__)) || defined(__WXWINE__)
1063 if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1064 #elif defined(__WXPM__)
1065 if (::DosCreateDir((PSZ)dirname, NULL) != 0) // enhance for EAB's??
1066 #else // !MSW and !OS/2 VAC++
1067 if ( wxMkDir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
1068 #endif // !MSW/MSW
1069 {
1070 wxLogSysError(_("Directory '%s' couldn't be created"), dirname);
1071
1072 return FALSE;
1073 }
1074
1075 return TRUE;
1076 #endif // Mac/!Mac
1077 }
1078
1079 bool wxRmdir(const wxString& dir, int WXUNUSED(flags))
1080 {
1081 #ifdef __VMS__
1082 return FALSE; //to be changed since rmdir exists in VMS7.x
1083 #elif defined(__WXPM__)
1084 return (::DosDeleteDir((PSZ)dir.c_str()) == 0);
1085 #else
1086
1087 #ifdef __SALFORDC__
1088 return FALSE; // What to do?
1089 #else
1090 return (wxRmDir(OS_FILENAME(dir)) == 0);
1091 #endif
1092
1093 #endif
1094 }
1095
1096 // does the path exists? (may have or not '/' or '\\' at the end)
1097 bool wxPathExists(const wxChar *pszPathName)
1098 {
1099 wxString strPath(pszPathName);
1100 #ifdef __WINDOWS__
1101 // Windows fails to find directory named "c:\dir\" even if "c:\dir" exists,
1102 // so remove all trailing backslashes from the path - but don't do this for
1103 // the pathes "d:\" (which are different from "d:") nor for just "\"
1104 while ( wxEndsWithPathSeparator(strPath) )
1105 {
1106 size_t len = strPath.length();
1107 if ( len == 1 || strPath[len - 1] == _T(':') )
1108 break;
1109
1110 strPath.Truncate(len - 1);
1111 }
1112 #endif // __WINDOWS__
1113
1114 wxStructStat st;
1115 #ifndef __VISAGECPP__
1116 return wxStat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 &&
1117 ((st.st_mode & S_IFMT) == S_IFDIR);
1118 #else
1119 // S_IFMT not supported in VA compilers.. st_mode is a 2byte value only
1120 return wxStat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 &&
1121 (st.st_mode == S_IFDIR);
1122 #endif
1123
1124 }
1125
1126 // Get a temporary filename, opening and closing the file.
1127 wxChar *wxGetTempFileName(const wxString& prefix, wxChar *buf)
1128 {
1129 #ifdef __WINDOWS__
1130
1131 #ifndef __WIN32__
1132 wxChar tmp[144];
1133 ::GetTempFileName(0, WXSTRINGCAST prefix, 0, tmp);
1134 #else
1135 wxChar tmp[MAX_PATH];
1136 wxChar tmpPath[MAX_PATH];
1137 ::GetTempPath(MAX_PATH, tmpPath);
1138 ::GetTempFileName(tmpPath, WXSTRINGCAST prefix, 0, tmp);
1139 #endif
1140 if (buf) wxStrcpy(buf, tmp);
1141 else buf = copystring(tmp);
1142 return buf;
1143
1144 #else
1145 static short last_temp = 0; // cache last to speed things a bit
1146 // At most 1000 temp files to a process! We use a ring count.
1147 wxChar tmp[100]; // FIXME static buffer
1148
1149 for (short suffix = last_temp + 1; suffix != last_temp; ++suffix %= 1000)
1150 {
1151 wxSprintf (tmp, wxT("/tmp/%s%d.%03x"), WXSTRINGCAST prefix, (int) getpid (), (int) suffix);
1152 if (!wxFileExists( tmp ))
1153 {
1154 // Touch the file to create it (reserve name)
1155 FILE *fd = fopen (wxFNCONV(tmp), "w");
1156 if (fd)
1157 fclose (fd);
1158 last_temp = suffix;
1159 if (buf)
1160 wxStrcpy( buf, tmp);
1161 else
1162 buf = copystring( tmp );
1163 return buf;
1164 }
1165 }
1166 wxLogError( _("wxWindows: error finding temporary file name.\n") );
1167 if (buf) buf[0] = 0;
1168 return (wxChar *) NULL;
1169 #endif
1170 }
1171
1172 bool wxGetTempFileName(const wxString& prefix, wxString& buf)
1173 {
1174 wxChar buf2[512];
1175 if (wxGetTempFileName(prefix, buf2) != (wxChar*) NULL)
1176 {
1177 buf = buf2;
1178 return TRUE;
1179 }
1180 else
1181 return FALSE;
1182 }
1183
1184 // Get first file name matching given wild card.
1185
1186 #ifdef __UNIX__
1187
1188 // Get first file name matching given wild card.
1189 // Flags are reserved for future use.
1190
1191 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1192 static DIR *gs_dirStream = (DIR *) NULL;
1193 static wxString gs_strFileSpec;
1194 static int gs_findFlags = 0;
1195 #endif
1196
1197 wxString wxFindFirstFile(const wxChar *spec, int flags)
1198 {
1199 wxString result;
1200 #ifdef __VMS
1201 wxChar *specvms = NULL;
1202 #endif
1203
1204 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1205 if (gs_dirStream)
1206 closedir(gs_dirStream); // edz 941103: better housekeping
1207
1208 gs_findFlags = flags;
1209
1210 gs_strFileSpec = spec;
1211
1212 // Find path only so we can concatenate
1213 // found file onto path
1214 wxString path(wxPathOnly(gs_strFileSpec));
1215
1216 // special case: path is really "/"
1217 if ( !path && gs_strFileSpec[0u] == wxT('/') )
1218 #ifdef __VMS
1219 {
1220 wxStrcpy( specvms , wxT( "[000000]" ) );
1221 gs_strFileSpec = specvms;
1222 wxString path_vms(wxPathOnly(gs_strFileSpec));
1223 path = path_vms;
1224 }
1225 #else
1226 path = wxT('/');
1227 #endif
1228 // path is empty => Local directory
1229 if ( !path )
1230 #ifdef __VMS
1231 {
1232 wxStrcpy( specvms , wxT( "[]" ) );
1233 gs_strFileSpec = specvms;
1234 wxString path_vms1(wxPathOnly(gs_strFileSpec));
1235 path = path_vms1;
1236 }
1237 #else
1238 path = wxT('.');
1239 #endif
1240
1241 gs_dirStream = opendir(path.fn_str());
1242 if ( !gs_dirStream )
1243 {
1244 wxLogSysError(_("Can not enumerate files in directory '%s'"),
1245 path.c_str());
1246 }
1247 else
1248 {
1249 result = wxFindNextFile();
1250 }
1251 #endif // !VMS6.x or earlier
1252
1253 return result;
1254 }
1255
1256 wxString wxFindNextFile()
1257 {
1258 wxString result;
1259
1260 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1261 wxCHECK_MSG( gs_dirStream, result, wxT("must call wxFindFirstFile first") );
1262
1263 // Find path only so we can concatenate
1264 // found file onto path
1265 wxString path(wxPathOnly(gs_strFileSpec));
1266 wxString name(wxFileNameFromPath(gs_strFileSpec));
1267
1268 /* MATTHEW: special case: path is really "/" */
1269 if ( !path && gs_strFileSpec[0u] == wxT('/'))
1270 path = wxT('/');
1271
1272 // Do the reading
1273 struct dirent *nextDir;
1274 for ( nextDir = readdir(gs_dirStream);
1275 nextDir != NULL;
1276 nextDir = readdir(gs_dirStream) )
1277 {
1278 if (wxMatchWild(name, nextDir->d_name, FALSE) && // RR: added FALSE to find hidden files
1279 strcmp(nextDir->d_name, ".") &&
1280 strcmp(nextDir->d_name, "..") )
1281 {
1282 result.Empty();
1283 if ( !path.IsEmpty() )
1284 {
1285 result = path;
1286 if ( path != wxT('/') )
1287 result += wxT('/');
1288 }
1289
1290 result += nextDir->d_name;
1291
1292 // Only return "." and ".." when they match
1293 bool isdir;
1294 if ( (strcmp(nextDir->d_name, ".") == 0) ||
1295 (strcmp(nextDir->d_name, "..") == 0))
1296 {
1297 if ( (gs_findFlags & wxDIR) != 0 )
1298 isdir = TRUE;
1299 else
1300 continue;
1301 }
1302 else
1303 isdir = wxDirExists(result);
1304
1305 // and only return directories when flags & wxDIR
1306 if ( !gs_findFlags ||
1307 ((gs_findFlags & wxDIR) && isdir) ||
1308 ((gs_findFlags & wxFILE) && !isdir) )
1309 {
1310 return result;
1311 }
1312 }
1313 }
1314
1315 result.Empty(); // not found
1316
1317 closedir(gs_dirStream);
1318 gs_dirStream = (DIR *) NULL;
1319 #endif // !VMS6.2 or earlier
1320
1321 return result;
1322 }
1323
1324 #elif defined(__WXMAC__)
1325
1326 struct MacDirectoryIterator
1327 {
1328 CInfoPBRec m_CPB ;
1329 wxInt16 m_index ;
1330 long m_dirId ;
1331 Str255 m_name ;
1332 } ;
1333
1334 static int g_iter_flags ;
1335
1336 static MacDirectoryIterator g_iter ;
1337
1338 wxString wxFindFirstFile(const wxChar *spec, int flags)
1339 {
1340 wxString result;
1341
1342 g_iter_flags = flags; /* MATTHEW: [5] Remember flags */
1343
1344 // Find path only so we can concatenate found file onto path
1345 wxString path(wxPathOnly(spec));
1346 if ( !path.IsEmpty() )
1347 result << path << wxT('\\');
1348
1349 FSSpec fsspec ;
1350
1351 wxUnixFilename2FSSpec( result , &fsspec ) ;
1352 g_iter.m_CPB.hFileInfo.ioVRefNum = fsspec.vRefNum ;
1353 g_iter.m_CPB.hFileInfo.ioNamePtr = g_iter.m_name ;
1354 g_iter.m_index = 0 ;
1355
1356 Boolean isDir ;
1357 FSpGetDirectoryID( &fsspec , &g_iter.m_dirId , &isDir ) ;
1358 if ( !isDir )
1359 return wxEmptyString ;
1360
1361 return wxFindNextFile( ) ;
1362 }
1363
1364 wxString wxFindNextFile()
1365 {
1366 wxString result;
1367
1368 short err = noErr ;
1369
1370 while ( err == noErr )
1371 {
1372 g_iter.m_index++ ;
1373 g_iter.m_CPB.dirInfo.ioFDirIndex = g_iter.m_index;
1374 g_iter.m_CPB.dirInfo.ioDrDirID = g_iter.m_dirId; /* we need to do this every time */
1375 err = PBGetCatInfoSync((CInfoPBPtr)&g_iter.m_CPB);
1376 if ( err != noErr )
1377 break ;
1378
1379 if ( ( g_iter.m_CPB.dirInfo.ioFlAttrib & ioDirMask) != 0 && (g_iter_flags & wxDIR) ) // we have a directory
1380 break ;
1381
1382 if ( ( g_iter.m_CPB.dirInfo.ioFlAttrib & ioDirMask) == 0 && !(g_iter_flags & wxFILE ) )
1383 continue ;
1384
1385 // hit !
1386 break ;
1387 }
1388 if ( err != noErr )
1389 {
1390 return wxEmptyString ;
1391 }
1392 FSSpec spec ;
1393
1394 FSMakeFSSpecCompat(g_iter.m_CPB.hFileInfo.ioVRefNum,
1395 g_iter.m_dirId,
1396 g_iter.m_name,
1397 &spec) ;
1398
1399 return wxMacFSSpec2UnixFilename( &spec ) ;
1400 }
1401
1402 #elif defined(__WXMSW__)
1403
1404 #ifdef __WIN32__
1405 static HANDLE gs_hFileStruct = INVALID_HANDLE_VALUE;
1406 static WIN32_FIND_DATA gs_findDataStruct;
1407 #else // Win16
1408 #ifdef __BORLANDC__
1409 static struct ffblk gs_findDataStruct;
1410 #else
1411 static struct _find_t gs_findDataStruct;
1412 #endif // Borland
1413 #endif // Win32/16
1414
1415 static wxString gs_strFileSpec;
1416 static int gs_findFlags = 0;
1417
1418 wxString wxFindFirstFile(const wxChar *spec, int flags)
1419 {
1420 wxString result;
1421
1422 gs_strFileSpec = spec;
1423 gs_findFlags = flags; /* MATTHEW: [5] Remember flags */
1424
1425 // Find path only so we can concatenate found file onto path
1426 wxString path(wxPathOnly(gs_strFileSpec));
1427 if ( !path.IsEmpty() )
1428 result << path << wxT('\\');
1429
1430 #ifdef __WIN32__
1431 if ( gs_hFileStruct != INVALID_HANDLE_VALUE )
1432 FindClose(gs_hFileStruct);
1433
1434 gs_hFileStruct = ::FindFirstFile(WXSTRINGCAST spec, &gs_findDataStruct);
1435
1436 if ( gs_hFileStruct == INVALID_HANDLE_VALUE )
1437 {
1438 result.Empty();
1439
1440 return result;
1441 }
1442
1443 bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1444
1445 if (isdir && !(flags & wxDIR))
1446 return wxFindNextFile();
1447 else if (!isdir && flags && !(flags & wxFILE))
1448 return wxFindNextFile();
1449
1450 result += gs_findDataStruct.cFileName;
1451
1452 return result;
1453 #else // !Win32
1454 int flag = _A_NORMAL;
1455 if (flags & wxDIR)
1456 flag = _A_SUBDIR;
1457
1458 #ifdef __BORLANDC__
1459 if (findfirst(WXSTRINGCAST spec, &gs_findDataStruct, flag) == 0)
1460 #else
1461 if (_dos_findfirst(WXSTRINGCAST spec, flag, &gs_findDataStruct) == 0)
1462 #endif
1463 {
1464 char attrib;
1465
1466 #ifdef __BORLANDC__
1467 attrib = gs_findDataStruct.ff_attrib;
1468 #else
1469 attrib = gs_findDataStruct.attrib;
1470 #endif
1471
1472 if (attrib & _A_SUBDIR) {
1473 if (!(gs_findFlags & wxDIR))
1474 return wxFindNextFile();
1475 } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1476 return wxFindNextFile();
1477
1478 result +=
1479 #ifdef __BORLANDC__
1480 gs_findDataStruct.ff_name
1481 #else
1482 gs_findDataStruct.name
1483 #endif
1484 ;
1485 }
1486
1487 return result;
1488 #endif // __WIN32__
1489 }
1490
1491
1492 wxString wxFindNextFile()
1493 {
1494 wxString result;
1495
1496 // Find path only so we can concatenate found file onto path
1497 wxString path(wxPathOnly(gs_strFileSpec));
1498
1499 try_again:
1500
1501 #ifdef __WIN32__
1502 if (gs_hFileStruct == INVALID_HANDLE_VALUE)
1503 return result;
1504
1505 bool success = (FindNextFile(gs_hFileStruct, &gs_findDataStruct) != 0);
1506 if (!success)
1507 {
1508 FindClose(gs_hFileStruct);
1509 gs_hFileStruct = INVALID_HANDLE_VALUE;
1510 }
1511 else
1512 {
1513 bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1514
1515 if (isdir && !(gs_findFlags & wxDIR))
1516 goto try_again;
1517 else if (!isdir && gs_findFlags && !(gs_findFlags & wxFILE))
1518 goto try_again;
1519
1520 if ( !path.IsEmpty() )
1521 result << path << wxT('\\');
1522 result << gs_findDataStruct.cFileName;
1523 }
1524
1525 return result;
1526 #else // Win16
1527
1528 #ifdef __BORLANDC__
1529 if (findnext(&gs_findDataStruct) == 0)
1530 #else
1531 if (_dos_findnext(&gs_findDataStruct) == 0)
1532 #endif
1533 {
1534 /* MATTHEW: [5] Check directory flag */
1535 char attrib;
1536
1537 #ifdef __BORLANDC__
1538 attrib = gs_findDataStruct.ff_attrib;
1539 #else
1540 attrib = gs_findDataStruct.attrib;
1541 #endif
1542
1543 if (attrib & _A_SUBDIR) {
1544 if (!(gs_findFlags & wxDIR))
1545 goto try_again;
1546 } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1547 goto try_again;
1548
1549
1550 result +=
1551 #ifdef __BORLANDC__
1552 gs_findDataStruct.ff_name
1553 #else
1554 gs_findDataStruct.name
1555 #endif
1556 ;
1557 }
1558
1559 return result;
1560 #endif // Win32/16
1561 }
1562
1563 #elif defined(__WXPM__)
1564
1565 wxString wxFindFirstFile(const wxChar *spec, int flags)
1566 {
1567 wxString result;
1568
1569 /*
1570 // TODO: figure something out here for OS/2
1571 gs_strFileSpec = spec;
1572 gs_findFlags = flags;
1573
1574 // Find path only so we can concatenate found file onto path
1575 wxString path(wxPathOnly(gs_strFileSpec));
1576 if ( !path.IsEmpty() )
1577 result << path << wxT('\\');
1578
1579 int flag = _A_NORMAL;
1580 if (flags & wxDIR)
1581 flag = _A_SUBDIR;
1582
1583 if (_dos_findfirst(WXSTRINGCAST spec, flag, &gs_findDataStruct) == 0)
1584 {
1585 char attrib;
1586 attrib = gs_findDataStruct.attrib;
1587
1588 if (attrib & _A_SUBDIR) {
1589 if (!(gs_findFlags & wxDIR))
1590 return wxFindNextFile();
1591 } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1592 return wxFindNextFile();
1593
1594 result += gs_findDataStruct.name;
1595 }
1596 */
1597 return result;
1598 }
1599
1600 wxString wxFindNextFile()
1601 {
1602 wxString result;
1603 // TODO:
1604 return result;
1605 }
1606
1607 #endif // Unix/Windows/OS/2
1608
1609 // Get current working directory.
1610 // If buf is NULL, allocates space using new, else
1611 // copies into buf.
1612 wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
1613 {
1614 if (!buf)
1615 buf = new wxChar[sz+1];
1616 #if wxUSE_UNICODE
1617 char *cbuf = new char[sz+1];
1618 #ifdef _MSC_VER
1619 if (_getcwd(cbuf, sz) == NULL) {
1620 #elif defined( __WXMAC__)
1621 enum
1622 {
1623 SFSaveDisk = 0x214, CurDirStore = 0x398
1624 };
1625 FSSpec cwdSpec ;
1626
1627 FSMakeFSSpec( - *(short *) SFSaveDisk , *(long *) CurDirStore , NULL , &cwdSpec ) ;
1628 wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
1629 strcpy( buf , res ) ;
1630 if (0) {
1631 #else
1632 if (getcwd(cbuf, sz) == NULL) {
1633 #endif
1634 delete [] cbuf;
1635 #else // wxUnicode
1636 #ifdef _MSC_VER
1637 if (_getcwd(buf, sz) == NULL) {
1638 #elif defined( __WXMAC__)
1639 enum
1640 {
1641 SFSaveDisk = 0x214, CurDirStore = 0x398
1642 };
1643 FSSpec cwdSpec ;
1644
1645 FSMakeFSSpec( - *(short *) SFSaveDisk , *(long *) CurDirStore , NULL , &cwdSpec ) ;
1646 wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
1647 strcpy( buf , res ) ;
1648 if (0) {
1649 #elif(__VISAGECPP__)
1650 APIRET rc;
1651 rc = ::DosQueryCurrentDir( 0 // current drive
1652 ,buf
1653 ,(PULONG)&sz
1654 );
1655 if (rc != 0) {
1656 #else
1657 if (getcwd(buf, sz) == NULL) {
1658 #endif
1659 #endif
1660 buf[0] = wxT('.');
1661 buf[1] = wxT('\0');
1662 }
1663 #if wxUSE_UNICODE
1664 else {
1665 wxConvFile.MB2WC(buf, cbuf, sz);
1666 delete [] cbuf;
1667 }
1668 #endif
1669 return buf;
1670 }
1671
1672 wxString wxGetCwd()
1673 {
1674 static const size_t maxPathLen = 1024;
1675
1676 wxString str;
1677 wxGetWorkingDirectory(str.GetWriteBuf(maxPathLen), maxPathLen);
1678 str.UngetWriteBuf();
1679
1680 return str;
1681 }
1682
1683 bool wxSetWorkingDirectory(const wxString& d)
1684 {
1685 #if defined( __UNIX__ ) || defined( __WXMAC__ )
1686 return (chdir(wxFNSTRINGCAST d.fn_str()) == 0);
1687 #elif defined(__WXPM__)
1688 return (::DosSetCurrentDir((PSZ)d.c_str()) == 0);
1689 #elif defined(__WINDOWS__)
1690
1691 #ifdef __WIN32__
1692 return (bool)(SetCurrentDirectory(d) != 0);
1693 #else
1694 // Must change drive, too.
1695 bool isDriveSpec = ((strlen(d) > 1) && (d[1] == ':'));
1696 if (isDriveSpec)
1697 {
1698 wxChar firstChar = d[0];
1699
1700 // To upper case
1701 if (firstChar > 90)
1702 firstChar = firstChar - 32;
1703
1704 // To a drive number
1705 unsigned int driveNo = firstChar - 64;
1706 if (driveNo > 0)
1707 {
1708 unsigned int noDrives;
1709 _dos_setdrive(driveNo, &noDrives);
1710 }
1711 }
1712 bool success = (chdir(WXSTRINGCAST d) == 0);
1713
1714 return success;
1715 #endif
1716
1717 #endif
1718 }
1719
1720 // Get the OS directory if appropriate (such as the Windows directory).
1721 // On non-Windows platform, probably just return the empty string.
1722 wxString wxGetOSDirectory()
1723 {
1724 #ifdef __WINDOWS__
1725 wxChar buf[256];
1726 GetWindowsDirectory(buf, 256);
1727 return wxString(buf);
1728 #else
1729 return wxEmptyString;
1730 #endif
1731 }
1732
1733 bool wxEndsWithPathSeparator(const wxChar *pszFileName)
1734 {
1735 size_t len = wxStrlen(pszFileName);
1736 if ( len == 0 )
1737 return FALSE;
1738 else
1739 return wxIsPathSeparator(pszFileName[len - 1]);
1740 }
1741
1742 // find a file in a list of directories, returns false if not found
1743 bool wxFindFileInPath(wxString *pStr, const wxChar *pszPath, const wxChar *pszFile)
1744 {
1745 // we assume that it's not empty
1746 wxCHECK_MSG( !wxIsEmpty(pszFile), FALSE,
1747 _T("empty file name in wxFindFileInPath"));
1748
1749 // skip path separator in the beginning of the file name if present
1750 if ( wxIsPathSeparator(*pszFile) )
1751 pszFile++;
1752
1753 // copy the path (strtok will modify it)
1754 wxChar *szPath = new wxChar[wxStrlen(pszPath) + 1];
1755 wxStrcpy(szPath, pszPath);
1756
1757 wxString strFile;
1758 wxChar *pc, *save_ptr;
1759 for ( pc = wxStrtok(szPath, wxPATH_SEP, &save_ptr);
1760 pc != NULL;
1761 pc = wxStrtok((wxChar *) NULL, wxPATH_SEP, &save_ptr) )
1762 {
1763 // search for the file in this directory
1764 strFile = pc;
1765 if ( !wxEndsWithPathSeparator(pc) )
1766 strFile += wxFILE_SEP_PATH;
1767 strFile += pszFile;
1768
1769 if ( FileExists(strFile) ) {
1770 *pStr = strFile;
1771 break;
1772 }
1773 }
1774
1775 // suppress warning about unused variable save_ptr when wxStrtok() is a
1776 // macro which throws away its third argument
1777 save_ptr = pc;
1778
1779 delete [] szPath;
1780
1781 return pc != NULL; // if true => we breaked from the loop
1782 }
1783
1784 void WXDLLEXPORT wxSplitPath(const wxChar *pszFileName,
1785 wxString *pstrPath,
1786 wxString *pstrName,
1787 wxString *pstrExt)
1788 {
1789 // it can be empty, but it shouldn't be NULL
1790 wxCHECK_RET( pszFileName, wxT("NULL file name in wxSplitPath") );
1791
1792 const wxChar *pDot = wxStrrchr(pszFileName, wxFILE_SEP_EXT);
1793
1794 #ifdef __WXMSW__
1795 // under Windows we understand both separators
1796 const wxChar *pSepUnix = wxStrrchr(pszFileName, wxFILE_SEP_PATH_UNIX);
1797 const wxChar *pSepDos = wxStrrchr(pszFileName, wxFILE_SEP_PATH_DOS);
1798 const wxChar *pLastSeparator = pSepUnix > pSepDos ? pSepUnix : pSepDos;
1799 #else // assume Unix
1800 const wxChar *pLastSeparator = wxStrrchr(pszFileName, wxFILE_SEP_PATH_UNIX);
1801
1802 if ( pDot )
1803 {
1804 if ( (pDot == pszFileName) || (*(pDot - 1) == wxFILE_SEP_PATH_UNIX) )
1805 {
1806 // under Unix, dot may be (and commonly is) the first character of the
1807 // filename, don't treat the entire filename as extension in this case
1808 pDot = NULL;
1809 }
1810 }
1811 #endif // MSW/Unix
1812
1813 if ( pDot && (pDot < pLastSeparator) )
1814 {
1815 // the dot is part of the path, not the start of the extension
1816 pDot = NULL;
1817 }
1818
1819 if ( pstrPath )
1820 {
1821 if ( pLastSeparator )
1822 *pstrPath = wxString(pszFileName, pLastSeparator - pszFileName);
1823 else
1824 pstrPath->Empty();
1825 }
1826
1827 if ( pstrName )
1828 {
1829 const wxChar *start = pLastSeparator ? pLastSeparator + 1 : pszFileName;
1830 const wxChar *end = pDot ? pDot : pszFileName + wxStrlen(pszFileName);
1831
1832 *pstrName = wxString(start, end - start);
1833 }
1834
1835 if ( pstrExt )
1836 {
1837 if ( pDot )
1838 *pstrExt = wxString(pDot + 1);
1839 else
1840 pstrExt->Empty();
1841 }
1842 }
1843
1844 time_t WXDLLEXPORT wxFileModificationTime(const wxString& filename)
1845 {
1846 wxStructStat buf;
1847
1848 wxStat(filename.fn_str(), &buf);
1849 return buf.st_mtime;
1850 }
1851
1852
1853 //------------------------------------------------------------------------
1854 // wild character routines
1855 //------------------------------------------------------------------------
1856
1857 bool wxIsWild( const wxString& pattern )
1858 {
1859 wxString tmp = pattern;
1860 wxChar *pat = WXSTRINGCAST(tmp);
1861 while (*pat) {
1862 switch (*pat++) {
1863 case wxT('?'): case wxT('*'): case wxT('['): case wxT('{'):
1864 return TRUE;
1865 case wxT('\\'):
1866 if (!*pat++)
1867 return FALSE;
1868 }
1869 }
1870 return FALSE;
1871 };
1872
1873 bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
1874
1875 #if defined(HAVE_FNMATCH_H)
1876 {
1877 // this probably won't work well for multibyte chars in Unicode mode?
1878 if(dot_special)
1879 return fnmatch(pat.fn_str(), text.fn_str(), FNM_PERIOD) == 0;
1880 else
1881 return fnmatch(pat.fn_str(), text.fn_str(), 0) == 0;
1882 }
1883 #else
1884
1885 // #pragma error Broken implementation of wxMatchWild() -- needs fixing!
1886
1887 /*
1888 * WARNING: this code is broken!
1889 */
1890 {
1891 wxString tmp1 = pat;
1892 wxChar *pattern = WXSTRINGCAST(tmp1);
1893 wxString tmp2 = text;
1894 wxChar *str = WXSTRINGCAST(tmp2);
1895 wxChar c;
1896 wxChar *cp;
1897 bool done = FALSE, ret_code, ok;
1898 // Below is for vi fans
1899 const wxChar OB = wxT('{'), CB = wxT('}');
1900
1901 // dot_special means '.' only matches '.'
1902 if (dot_special && *str == wxT('.') && *pattern != *str)
1903 return FALSE;
1904
1905 while ((*pattern != wxT('\0')) && (!done)
1906 && (((*str==wxT('\0'))&&((*pattern==OB)||(*pattern==wxT('*'))))||(*str!=wxT('\0')))) {
1907 switch (*pattern) {
1908 case wxT('\\'):
1909 pattern++;
1910 if (*pattern != wxT('\0'))
1911 pattern++;
1912 break;
1913 case wxT('*'):
1914 pattern++;
1915 ret_code = FALSE;
1916 while ((*str!=wxT('\0'))
1917 && (!(ret_code=wxMatchWild(pattern, str++, FALSE))))
1918 /*loop*/;
1919 if (ret_code) {
1920 while (*str != wxT('\0'))
1921 str++;
1922 while (*pattern != wxT('\0'))
1923 pattern++;
1924 }
1925 break;
1926 case wxT('['):
1927 pattern++;
1928 repeat:
1929 if ((*pattern == wxT('\0')) || (*pattern == wxT(']'))) {
1930 done = TRUE;
1931 break;
1932 }
1933 if (*pattern == wxT('\\')) {
1934 pattern++;
1935 if (*pattern == wxT('\0')) {
1936 done = TRUE;
1937 break;
1938 }
1939 }
1940 if (*(pattern + 1) == wxT('-')) {
1941 c = *pattern;
1942 pattern += 2;
1943 if (*pattern == wxT(']')) {
1944 done = TRUE;
1945 break;
1946 }
1947 if (*pattern == wxT('\\')) {
1948 pattern++;
1949 if (*pattern == wxT('\0')) {
1950 done = TRUE;
1951 break;
1952 }
1953 }
1954 if ((*str < c) || (*str > *pattern)) {
1955 pattern++;
1956 goto repeat;
1957 }
1958 } else if (*pattern != *str) {
1959 pattern++;
1960 goto repeat;
1961 }
1962 pattern++;
1963 while ((*pattern != wxT(']')) && (*pattern != wxT('\0'))) {
1964 if ((*pattern == wxT('\\')) && (*(pattern + 1) != wxT('\0')))
1965 pattern++;
1966 pattern++;
1967 }
1968 if (*pattern != wxT('\0')) {
1969 pattern++, str++;
1970 }
1971 break;
1972 case wxT('?'):
1973 pattern++;
1974 str++;
1975 break;
1976 case OB:
1977 pattern++;
1978 while ((*pattern != CB) && (*pattern != wxT('\0'))) {
1979 cp = str;
1980 ok = TRUE;
1981 while (ok && (*cp != wxT('\0')) && (*pattern != wxT('\0'))
1982 && (*pattern != wxT(',')) && (*pattern != CB)) {
1983 if (*pattern == wxT('\\'))
1984 pattern++;
1985 ok = (*pattern++ == *cp++);
1986 }
1987 if (*pattern == wxT('\0')) {
1988 ok = FALSE;
1989 done = TRUE;
1990 break;
1991 } else if (ok) {
1992 str = cp;
1993 while ((*pattern != CB) && (*pattern != wxT('\0'))) {
1994 if (*++pattern == wxT('\\')) {
1995 if (*++pattern == CB)
1996 pattern++;
1997 }
1998 }
1999 } else {
2000 while (*pattern!=CB && *pattern!=wxT(',') && *pattern!=wxT('\0')) {
2001 if (*++pattern == wxT('\\')) {
2002 if (*++pattern == CB || *pattern == wxT(','))
2003 pattern++;
2004 }
2005 }
2006 }
2007 if (*pattern != wxT('\0'))
2008 pattern++;
2009 }
2010 break;
2011 default:
2012 if (*str == *pattern) {
2013 str++, pattern++;
2014 } else {
2015 done = TRUE;
2016 }
2017 }
2018 }
2019 while (*pattern == wxT('*'))
2020 pattern++;
2021 return ((*str == wxT('\0')) && (*pattern == wxT('\0')));
2022 };
2023
2024 #endif
2025
2026 #ifdef __VISUALC__
2027 #pragma warning(default:4706) // assignment within conditional expression
2028 #endif // VC++
wxWidgets (Impactor)