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[wxWidgets.git] / src / common / filefn.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: filefn.cpp
3 // Purpose: File- and directory-related functions
4 // Author: Julian Smart
5 // Modified by:
6 // Created: 29/01/98
7 // RCS-ID: $Id$
8 // Copyright: (c) 1998 Julian Smart
9 // Licence: wxWindows license
10 /////////////////////////////////////////////////////////////////////////////
11
12 // ============================================================================
13 // declarations
14 // ============================================================================
15
16 // ----------------------------------------------------------------------------
17 // headers
18 // ----------------------------------------------------------------------------
19
20 #ifdef __GNUG__
21 #pragma implementation "filefn.h"
22 #endif
23
24 // For compilers that support precompilation, includes "wx.h".
25 #include "wx/wxprec.h"
26 #include "wx/defs.h"
27
28 #ifdef __BORLANDC__
29 #pragma hdrstop
30 #endif
31
32 #include "wx/utils.h"
33 #include "wx/intl.h"
34 #include "wx/file.h"
35 #include "wx/filename.h"
36
37 // there are just too many of those...
38 #ifdef __VISUALC__
39 #pragma warning(disable:4706) // assignment within conditional expression
40 #endif // VC++
41
42 #include <ctype.h>
43 #include <stdio.h>
44 #include <stdlib.h>
45 #include <string.h>
46 #if !defined(__WATCOMC__)
47 #if !(defined(_MSC_VER) && (_MSC_VER > 800))
48 #include <errno.h>
49 #endif
50 #endif
51
52 #include <time.h>
53
54 #ifndef __MWERKS__
55 #include <sys/types.h>
56 #include <sys/stat.h>
57 #else
58 #include <stat.h>
59 #include <unistd.h>
60 #include <unix.h>
61 #endif
62
63 #ifdef __UNIX__
64 #include <unistd.h>
65 #include <dirent.h>
66 #endif
67
68 #ifdef __WXPM__
69 #include <process.h>
70 #include "wx/os2/private.h"
71 #endif
72 #ifdef __WINDOWS__
73 #if !defined( __GNUWIN32__ ) && !defined( __MWERKS__ ) && !defined(__SALFORDC__)
74 #include <direct.h>
75 #include <dos.h>
76 #include <io.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 #if defined(__WXMAC__) && !defined(__UNIX__)
118 #include "morefile.h"
119 #include "moreextr.h"
120 #include "fullpath.h"
121 #include "fspcompa.h"
122 #endif
123
124 IMPLEMENT_DYNAMIC_CLASS(wxPathList, wxStringList)
125
126 // ----------------------------------------------------------------------------
127 // private globals
128 // ----------------------------------------------------------------------------
129
130 static wxChar wxFileFunctionsBuffer[4*_MAXPATHLEN];
131
132 #if defined(__VISAGECPP__) && __IBMCPP__ >= 400
133 //
134 // VisualAge C++ V4.0 cannot have any external linkage const decs
135 // in headers included by more than one primary source
136 //
137 const off_t wxInvalidOffset = (off_t)-1;
138 #endif
139
140 // ----------------------------------------------------------------------------
141 // macros
142 // ----------------------------------------------------------------------------
143
144 // we need to translate Mac filenames before passing them to OS functions
145 #ifdef __MAC__
146 #define OS_FILENAME(s) (wxUnix2MacFilename(s))
147 #else
148 #define OS_FILENAME(s) (s.fn_str())
149 #endif
150
151 // ============================================================================
152 // implementation
153 // ============================================================================
154
155 void wxPathList::Add (const wxString& path)
156 {
157 wxStringList::Add (WXSTRINGCAST path);
158 }
159
160 // Add paths e.g. from the PATH environment variable
161 void wxPathList::AddEnvList (const wxString& envVariable)
162 {
163 static const wxChar PATH_TOKS[] =
164 #ifdef __WINDOWS__
165 wxT(" ;"); // Don't seperate with colon in DOS (used for drive)
166 #else
167 wxT(" :;");
168 #endif
169
170 wxChar *val = wxGetenv (WXSTRINGCAST envVariable);
171 if (val && *val)
172 {
173 wxChar *s = copystring (val);
174 wxChar *save_ptr, *token = wxStrtok (s, PATH_TOKS, &save_ptr);
175
176 if (token)
177 {
178 Add (copystring (token));
179 while (token)
180 {
181 if ((token = wxStrtok ((wxChar *) NULL, PATH_TOKS, &save_ptr)) != NULL)
182 Add (wxString(token));
183 }
184 }
185
186 // suppress warning about unused variable save_ptr when wxStrtok() is a
187 // macro which throws away its third argument
188 save_ptr = token;
189
190 delete [] s;
191 }
192 }
193
194 // Given a full filename (with path), ensure that that file can
195 // be accessed again USING FILENAME ONLY by adding the path
196 // to the list if not already there.
197 void wxPathList::EnsureFileAccessible (const wxString& path)
198 {
199 wxString path_only(wxPathOnly(path));
200 if ( !path_only.IsEmpty() )
201 {
202 if ( !Member(path_only) )
203 Add(path_only);
204 }
205 }
206
207 bool wxPathList::Member (const wxString& path)
208 {
209 for (wxNode * node = First (); node != NULL; node = node->Next ())
210 {
211 wxString path2((wxChar *) node->Data ());
212 if (
213 #if defined(__WINDOWS__) || defined(__VMS__) || defined (__WXMAC__)
214 // Case INDEPENDENT
215 path.CompareTo (path2, wxString::ignoreCase) == 0
216 #else
217 // Case sensitive File System
218 path.CompareTo (path2) == 0
219 #endif
220 )
221 return TRUE;
222 }
223 return FALSE;
224 }
225
226 wxString wxPathList::FindValidPath (const wxString& file)
227 {
228 if (wxFileExists (wxExpandPath(wxFileFunctionsBuffer, file)))
229 return wxString(wxFileFunctionsBuffer);
230
231 wxChar buf[_MAXPATHLEN];
232 wxStrcpy(buf, wxFileFunctionsBuffer);
233
234 wxChar *filename = (wxChar*) NULL; /* shut up buggy egcs warning */
235 filename = IsAbsolutePath (buf) ? wxFileNameFromPath (buf) : (wxChar *)buf;
236
237 for (wxNode * node = First (); node; node = node->Next ())
238 {
239 wxChar *path = (wxChar *) node->Data ();
240 wxStrcpy (wxFileFunctionsBuffer, path);
241 wxChar ch = wxFileFunctionsBuffer[wxStrlen(wxFileFunctionsBuffer)-1];
242 if (ch != wxT('\\') && ch != wxT('/'))
243 wxStrcat (wxFileFunctionsBuffer, wxT("/"));
244 wxStrcat (wxFileFunctionsBuffer, filename);
245 #ifdef __WINDOWS__
246 Unix2DosFilename (wxFileFunctionsBuffer);
247 #endif
248 if (wxFileExists (wxFileFunctionsBuffer))
249 {
250 return wxString(wxFileFunctionsBuffer); // Found!
251 }
252 } // for()
253
254 return wxString(wxT("")); // Not found
255 }
256
257 wxString wxPathList::FindAbsoluteValidPath (const wxString& file)
258 {
259 wxString f = FindValidPath(file);
260 if ( wxIsAbsolutePath(f) )
261 return f;
262
263 wxString buf;
264 wxGetWorkingDirectory(buf.GetWriteBuf(_MAXPATHLEN), _MAXPATHLEN - 1);
265 buf.UngetWriteBuf();
266 if ( !wxEndsWithPathSeparator(buf) )
267 {
268 buf += wxFILE_SEP_PATH;
269 }
270 buf += f;
271
272 return buf;
273 }
274
275 bool
276 wxFileExists (const wxString& filename)
277 {
278 #ifdef __GNUWIN32__ // (fix a B20 bug)
279 return GetFileAttributes(filename) != 0xFFFFFFFF;
280 #else
281 wxStructStat stbuf;
282 if ( !filename.empty() && wxStat (OS_FILENAME(filename), &stbuf) == 0 )
283 return TRUE;
284
285 return FALSE;
286 #endif
287 }
288
289 bool
290 wxIsAbsolutePath (const wxString& filename)
291 {
292 if (filename != wxT(""))
293 {
294 if (filename[0] == wxT('/')
295 #ifdef __VMS__
296 || (filename[0] == wxT('[') && filename[1] != wxT('.'))
297 #endif
298 #ifdef __WINDOWS__
299 /* MSDOS */
300 || filename[0] == wxT('\\') || (wxIsalpha (filename[0]) && filename[1] == wxT(':'))
301 #endif
302 )
303 return TRUE;
304 }
305 return FALSE;
306 }
307
308 /*
309 * Strip off any extension (dot something) from end of file,
310 * IF one exists. Inserts zero into buffer.
311 *
312 */
313
314 void wxStripExtension(wxChar *buffer)
315 {
316 int len = wxStrlen(buffer);
317 int i = len-1;
318 while (i > 0)
319 {
320 if (buffer[i] == wxT('.'))
321 {
322 buffer[i] = 0;
323 break;
324 }
325 i --;
326 }
327 }
328
329 void wxStripExtension(wxString& buffer)
330 {
331 size_t len = buffer.Length();
332 size_t i = len-1;
333 while (i > 0)
334 {
335 if (buffer.GetChar(i) == wxT('.'))
336 {
337 buffer = buffer.Left(i);
338 break;
339 }
340 i --;
341 }
342 }
343
344 // Destructive removal of /./ and /../ stuff
345 wxChar *wxRealPath (wxChar *path)
346 {
347 #ifdef __WXMSW__
348 static const wxChar SEP = wxT('\\');
349 Unix2DosFilename(path);
350 #else
351 static const wxChar SEP = wxT('/');
352 #endif
353 if (path[0] && path[1]) {
354 /* MATTHEW: special case "/./x" */
355 wxChar *p;
356 if (path[2] == SEP && path[1] == wxT('.'))
357 p = &path[0];
358 else
359 p = &path[2];
360 for (; *p; p++)
361 {
362 if (*p == SEP)
363 {
364 if (p[1] == wxT('.') && p[2] == wxT('.') && (p[3] == SEP || p[3] == wxT('\0')))
365 {
366 wxChar *q;
367 for (q = p - 1; q >= path && *q != SEP; q--);
368 if (q[0] == SEP && (q[1] != wxT('.') || q[2] != wxT('.') || q[3] != SEP)
369 && (q - 1 <= path || q[-1] != SEP))
370 {
371 wxStrcpy (q, p + 3);
372 if (path[0] == wxT('\0'))
373 {
374 path[0] = SEP;
375 path[1] = wxT('\0');
376 }
377 #ifdef __WXMSW__
378 /* Check that path[2] is NULL! */
379 else if (path[1] == wxT(':') && !path[2])
380 {
381 path[2] = SEP;
382 path[3] = wxT('\0');
383 }
384 #endif
385 p = q - 1;
386 }
387 }
388 else if (p[1] == wxT('.') && (p[2] == SEP || p[2] == wxT('\0')))
389 wxStrcpy (p, p + 2);
390 }
391 }
392 }
393 return path;
394 }
395
396 // Must be destroyed
397 wxChar *wxCopyAbsolutePath(const wxString& filename)
398 {
399 if (filename == wxT(""))
400 return (wxChar *) NULL;
401
402 if (! IsAbsolutePath(wxExpandPath(wxFileFunctionsBuffer, filename))) {
403 wxChar buf[_MAXPATHLEN];
404 buf[0] = wxT('\0');
405 wxGetWorkingDirectory(buf, WXSIZEOF(buf));
406 wxChar ch = buf[wxStrlen(buf) - 1];
407 #ifdef __WXMSW__
408 if (ch != wxT('\\') && ch != wxT('/'))
409 wxStrcat(buf, wxT("\\"));
410 #else
411 if (ch != wxT('/'))
412 wxStrcat(buf, wxT("/"));
413 #endif
414 wxStrcat(buf, wxFileFunctionsBuffer);
415 return copystring( wxRealPath(buf) );
416 }
417 return copystring( wxFileFunctionsBuffer );
418 }
419
420 /*-
421 Handles:
422 ~/ => home dir
423 ~user/ => user's home dir
424 If the environment variable a = "foo" and b = "bar" then:
425 Unix:
426 $a => foo
427 $a$b => foobar
428 $a.c => foo.c
429 xxx$a => xxxfoo
430 ${a}! => foo!
431 $(b)! => bar!
432 \$a => \$a
433 MSDOS:
434 $a ==> $a
435 $(a) ==> foo
436 $(a)$b ==> foo$b
437 $(a)$(b)==> foobar
438 test.$$ ==> test.$$
439 */
440
441 /* input name in name, pathname output to buf. */
442
443 wxChar *wxExpandPath(wxChar *buf, const wxChar *name)
444 {
445 register wxChar *d, *s, *nm;
446 wxChar lnm[_MAXPATHLEN];
447 int q;
448
449 // Some compilers don't like this line.
450 // const wxChar trimchars[] = wxT("\n \t");
451
452 wxChar trimchars[4];
453 trimchars[0] = wxT('\n');
454 trimchars[1] = wxT(' ');
455 trimchars[2] = wxT('\t');
456 trimchars[3] = 0;
457
458 #ifdef __WXMSW__
459 const wxChar SEP = wxT('\\');
460 #else
461 const wxChar SEP = wxT('/');
462 #endif
463 buf[0] = wxT('\0');
464 if (name == NULL || *name == wxT('\0'))
465 return buf;
466 nm = copystring(name); // Make a scratch copy
467 wxChar *nm_tmp = nm;
468
469 /* Skip leading whitespace and cr */
470 while (wxStrchr((wxChar *)trimchars, *nm) != NULL)
471 nm++;
472 /* And strip off trailing whitespace and cr */
473 s = nm + (q = wxStrlen(nm)) - 1;
474 while (q-- && wxStrchr((wxChar *)trimchars, *s) != NULL)
475 *s = wxT('\0');
476
477 s = nm;
478 d = lnm;
479 #ifdef __WXMSW__
480 q = FALSE;
481 #else
482 q = nm[0] == wxT('\\') && nm[1] == wxT('~');
483 #endif
484
485 /* Expand inline environment variables */
486 #ifdef __VISAGECPP__
487 while (*d)
488 {
489 *d++ = *s;
490 if(*s == wxT('\\'))
491 {
492 *(d - 1) = *++s;
493 if (*d)
494 {
495 s++;
496 continue;
497 }
498 else
499 break;
500 }
501 else
502 #else
503 while ((*d++ = *s) != 0) {
504 # ifndef __WXMSW__
505 if (*s == wxT('\\')) {
506 if ((*(d - 1) = *++s)) {
507 s++;
508 continue;
509 } else
510 break;
511 } else
512 # endif
513 #endif
514 #ifdef __WXMSW__
515 if (*s++ == wxT('$') && (*s == wxT('{') || *s == wxT(')')))
516 #else
517 if (*s++ == wxT('$'))
518 #endif
519 {
520 register wxChar *start = d;
521 register int braces = (*s == wxT('{') || *s == wxT('('));
522 register wxChar *value;
523 while ((*d++ = *s) != 0)
524 if (braces ? (*s == wxT('}') || *s == wxT(')')) : !(wxIsalnum(*s) || *s == wxT('_')) )
525 break;
526 else
527 s++;
528 *--d = 0;
529 value = wxGetenv(braces ? start + 1 : start);
530 if (value) {
531 for ((d = start - 1); (*d++ = *value++) != 0;);
532 d--;
533 if (braces && *s)
534 s++;
535 }
536 }
537 }
538
539 /* Expand ~ and ~user */
540 nm = lnm;
541 s = wxT("");
542 if (nm[0] == wxT('~') && !q)
543 {
544 /* prefix ~ */
545 if (nm[1] == SEP || nm[1] == 0)
546 { /* ~/filename */
547 // FIXME: wxGetUserHome could return temporary storage in Unicode mode
548 if ((s = WXSTRINGCAST wxGetUserHome(wxT(""))) != NULL) {
549 if (*++nm)
550 nm++;
551 }
552 } else
553 { /* ~user/filename */
554 register wxChar *nnm;
555 register wxChar *home;
556 for (s = nm; *s && *s != SEP; s++);
557 int was_sep; /* MATTHEW: Was there a separator, or NULL? */
558 was_sep = (*s == SEP);
559 nnm = *s ? s + 1 : s;
560 *s = 0;
561 // FIXME: wxGetUserHome could return temporary storage in Unicode mode
562 if ((home = WXSTRINGCAST wxGetUserHome(wxString(nm + 1))) == NULL) {
563 if (was_sep) /* replace only if it was there: */
564 *s = SEP;
565 s = wxT("");
566 } else {
567 nm = nnm;
568 s = home;
569 }
570 }
571 }
572
573 d = buf;
574 if (s && *s) { /* MATTHEW: s could be NULL if user '~' didn't exist */
575 /* Copy home dir */
576 while (wxT('\0') != (*d++ = *s++))
577 /* loop */;
578 // Handle root home
579 if (d - 1 > buf && *(d - 2) != SEP)
580 *(d - 1) = SEP;
581 }
582 s = nm;
583 while ((*d++ = *s++) != 0);
584 delete[] nm_tmp; // clean up alloc
585 /* Now clean up the buffer */
586 return wxRealPath(buf);
587 }
588
589 /* Contract Paths to be build upon an environment variable
590 component:
591
592 example: "/usr/openwin/lib", OPENWINHOME --> ${OPENWINHOME}/lib
593
594 The call wxExpandPath can convert these back!
595 */
596 wxChar *
597 wxContractPath (const wxString& filename, const wxString& envname, const wxString& user)
598 {
599 static wxChar dest[_MAXPATHLEN];
600
601 if (filename == wxT(""))
602 return (wxChar *) NULL;
603
604 wxStrcpy (dest, WXSTRINGCAST filename);
605 #ifdef __WXMSW__
606 Unix2DosFilename(dest);
607 #endif
608
609 // Handle environment
610 const wxChar *val = (const wxChar *) NULL;
611 wxChar *tcp = (wxChar *) NULL;
612 if (envname != WXSTRINGCAST NULL && (val = wxGetenv (WXSTRINGCAST envname)) != NULL &&
613 (tcp = wxStrstr (dest, val)) != NULL)
614 {
615 wxStrcpy (wxFileFunctionsBuffer, tcp + wxStrlen (val));
616 *tcp++ = wxT('$');
617 *tcp++ = wxT('{');
618 wxStrcpy (tcp, WXSTRINGCAST envname);
619 wxStrcat (tcp, wxT("}"));
620 wxStrcat (tcp, wxFileFunctionsBuffer);
621 }
622
623 // Handle User's home (ignore root homes!)
624 size_t len = 0;
625 if ((val = wxGetUserHome (user)) != NULL &&
626 (len = wxStrlen(val)) > 2 &&
627 wxStrncmp(dest, val, len) == 0)
628 {
629 wxStrcpy(wxFileFunctionsBuffer, wxT("~"));
630 if (user != wxT(""))
631 wxStrcat(wxFileFunctionsBuffer, (const wxChar*) user);
632 #ifdef __WXMSW__
633 // strcat(wxFileFunctionsBuffer, "\\");
634 #else
635 // strcat(wxFileFunctionsBuffer, "/");
636 #endif
637 wxStrcat(wxFileFunctionsBuffer, dest + len);
638 wxStrcpy (dest, wxFileFunctionsBuffer);
639 }
640
641 return dest;
642 }
643
644 // Return just the filename, not the path
645 // (basename)
646 wxChar *wxFileNameFromPath (wxChar *path)
647 {
648 if (path)
649 {
650 register wxChar *tcp;
651
652 tcp = path + wxStrlen (path);
653 while (--tcp >= path)
654 {
655 if (*tcp == wxT('/') || *tcp == wxT('\\')
656 #ifdef __VMS__
657 || *tcp == wxT(':') || *tcp == wxT(']'))
658 #else
659 )
660 #endif
661 return tcp + 1;
662 } /* while */
663 #if defined(__WXMSW__) || defined(__WXPM__)
664 if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
665 return path + 2;
666 #endif
667 }
668 return path;
669 }
670
671 wxString wxFileNameFromPath (const wxString& path1)
672 {
673 if (path1 != wxT(""))
674 {
675
676 wxChar *path = WXSTRINGCAST path1 ;
677 register wxChar *tcp;
678
679 tcp = path + wxStrlen (path);
680 while (--tcp >= path)
681 {
682 if (*tcp == wxT('/') || *tcp == wxT('\\')
683 #ifdef __VMS__
684 || *tcp == wxT(':') || *tcp == wxT(']'))
685 #else
686 )
687 #endif
688 return wxString(tcp + 1);
689 } /* while */
690 #if defined(__WXMSW__) || defined(__WXPM__)
691 if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
692 return wxString(path + 2);
693 #endif
694 }
695 // Yes, this should return the path, not an empty string, otherwise
696 // we get "thing.txt" -> "".
697 return path1;
698 }
699
700 // Return just the directory, or NULL if no directory
701 wxChar *
702 wxPathOnly (wxChar *path)
703 {
704 if (path && *path)
705 {
706 static wxChar buf[_MAXPATHLEN];
707
708 // Local copy
709 wxStrcpy (buf, path);
710
711 int l = wxStrlen(path);
712 bool done = FALSE;
713
714 int i = l - 1;
715
716 // Search backward for a backward or forward slash
717 while (!done && i > -1)
718 {
719 // ] is for VMS
720 if (path[i] == wxT('/') || path[i] == wxT('\\') || path[i] == wxT(']'))
721 {
722 done = TRUE;
723 #ifdef __VMS__
724 if ( path[i] == wxT(']') )
725 buf[i+1] = 0;
726 else
727 #endif
728 buf[i] = 0;
729
730 return buf;
731 }
732 else i --;
733 }
734
735 #if defined(__WXMSW__) || defined(__WXPM__)
736 // Try Drive specifier
737 if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
738 {
739 // A:junk --> A:. (since A:.\junk Not A:\junk)
740 buf[2] = wxT('.');
741 buf[3] = wxT('\0');
742 return buf;
743 }
744 #endif
745 }
746
747 return (wxChar *) NULL;
748 }
749
750 // Return just the directory, or NULL if no directory
751 wxString wxPathOnly (const wxString& path)
752 {
753 if (path != wxT(""))
754 {
755 wxChar buf[_MAXPATHLEN];
756
757 // Local copy
758 wxStrcpy (buf, WXSTRINGCAST path);
759
760 int l = path.Length();
761 bool done = FALSE;
762
763 int i = l - 1;
764
765 // Search backward for a backward or forward slash
766 while (!done && i > -1)
767 {
768 // ] is for VMS
769 if (path[i] == wxT('/') || path[i] == wxT('\\') || path[i] == wxT(']'))
770 {
771 done = TRUE;
772 #ifdef __VMS__
773 if ( path[i] == wxT(']') )
774 buf[i+1] = 0;
775 else
776 #endif
777 buf[i] = 0;
778
779 return wxString(buf);
780 }
781 else i --;
782 }
783
784 #if defined(__WXMSW__) || defined(__WXPM__)
785 // Try Drive specifier
786 if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
787 {
788 // A:junk --> A:. (since A:.\junk Not A:\junk)
789 buf[2] = wxT('.');
790 buf[3] = wxT('\0');
791 return wxString(buf);
792 }
793 #endif
794 }
795
796 return wxString(wxT(""));
797 }
798
799 // Utility for converting delimiters in DOS filenames to UNIX style
800 // and back again - or we get nasty problems with delimiters.
801 // Also, convert to lower case, since case is significant in UNIX.
802
803 #if defined(__WXMAC__) && !defined(__UNIX__)
804
805 static char sMacFileNameConversion[ 1000 ] ;
806
807 wxString wxMac2UnixFilename (const char *str)
808 {
809 char *s = sMacFileNameConversion ;
810 strcpy( s , str ) ;
811 if (s)
812 {
813 memmove( s+1 , s ,strlen( s ) + 1) ;
814 if ( *s == ':' )
815 *s = '.' ;
816 else
817 *s = '/' ;
818
819 while (*s)
820 {
821 if (*s == ':')
822 *s = '/';
823 else
824 *s = wxTolower (*s); // Case INDEPENDENT
825 s++;
826 }
827 }
828 return wxString (sMacFileNameConversion) ;
829 }
830
831 wxString wxUnix2MacFilename (const char *str)
832 {
833 char *s = sMacFileNameConversion ;
834 strcpy( s , str ) ;
835 if (s)
836 {
837 if ( *s == '.' )
838 {
839 // relative path , since it goes on with slash which is translated to a :
840 memmove( s , s+1 ,strlen( s ) ) ;
841 }
842 else if ( *s == '/' )
843 {
844 // absolute path -> on mac just start with the drive name
845 memmove( s , s+1 ,strlen( s ) ) ;
846 }
847 else
848 {
849 wxASSERT_MSG( 1 , "unkown path beginning" ) ;
850 }
851 while (*s)
852 {
853 if (*s == '/' || *s == '\\')
854 {
855 // convert any back-directory situations
856 if ( *(s+1) == '.' && *(s+2) == '.' && ( (*(s+3) == '/' || *(s+3) == '\\') ) )
857 {
858 *s = ':';
859 memmove( s+1 , s+3 ,strlen( s+3 ) + 1 ) ;
860 }
861 else
862 *s = ':';
863 }
864
865 s++ ;
866 }
867 }
868 return wxString (sMacFileNameConversion) ;
869 }
870
871 wxString wxMacFSSpec2MacFilename( const FSSpec *spec )
872 {
873 Handle myPath ;
874 short length ;
875
876 FSpGetFullPath( spec , &length , &myPath ) ;
877 ::SetHandleSize( myPath , length + 1 ) ;
878 ::HLock( myPath ) ;
879 (*myPath)[length] = 0 ;
880 if ( length > 0 && (*myPath)[length-1] ==':' )
881 (*myPath)[length-1] = 0 ;
882
883 wxString result( (char*) *myPath ) ;
884 ::HUnlock( myPath ) ;
885 ::DisposeHandle( myPath ) ;
886 return result ;
887 }
888
889 wxString wxMacFSSpec2UnixFilename( const FSSpec *spec )
890 {
891 return wxMac2UnixFilename( wxMacFSSpec2MacFilename( spec) ) ;
892 }
893
894 void wxMacFilename2FSSpec( const char *path , FSSpec *spec )
895 {
896 FSpLocationFromFullPath( strlen(path ) , path , spec ) ;
897 }
898
899 void wxUnixFilename2FSSpec( const char *path , FSSpec *spec )
900 {
901 wxString var = wxUnix2MacFilename( path ) ;
902 wxMacFilename2FSSpec( var , spec ) ;
903 }
904
905 #endif
906 void
907 wxDos2UnixFilename (char *s)
908 {
909 if (s)
910 while (*s)
911 {
912 if (*s == '\\')
913 *s = '/';
914 #ifdef __WXMSW__
915 else
916 *s = wxTolower (*s); // Case INDEPENDENT
917 #endif
918 s++;
919 }
920 }
921
922 void
923 #if defined(__WXMSW__) || defined(__WXPM__)
924 wxUnix2DosFilename (wxChar *s)
925 #else
926 wxUnix2DosFilename (wxChar *WXUNUSED(s) )
927 #endif
928 {
929 // Yes, I really mean this to happen under DOS only! JACS
930 #if defined(__WXMSW__) || defined(__WXPM__)
931 if (s)
932 while (*s)
933 {
934 if (*s == wxT('/'))
935 *s = wxT('\\');
936 s++;
937 }
938 #endif
939 }
940
941 // Concatenate two files to form third
942 bool
943 wxConcatFiles (const wxString& file1, const wxString& file2, const wxString& file3)
944 {
945 wxString outfile;
946 if ( !wxGetTempFileName("cat", outfile) )
947 return FALSE;
948
949 FILE *fp1 = (FILE *) NULL;
950 FILE *fp2 = (FILE *) NULL;
951 FILE *fp3 = (FILE *) NULL;
952 // Open the inputs and outputs
953 if ((fp1 = wxFopen (OS_FILENAME( file1 ), wxT("rb"))) == NULL ||
954 (fp2 = wxFopen (OS_FILENAME( file2 ), wxT("rb"))) == NULL ||
955 (fp3 = wxFopen (OS_FILENAME( outfile ), wxT("wb"))) == NULL)
956 {
957 if (fp1)
958 fclose (fp1);
959 if (fp2)
960 fclose (fp2);
961 if (fp3)
962 fclose (fp3);
963 return FALSE;
964 }
965
966 int ch;
967 while ((ch = getc (fp1)) != EOF)
968 (void) putc (ch, fp3);
969 fclose (fp1);
970
971 while ((ch = getc (fp2)) != EOF)
972 (void) putc (ch, fp3);
973 fclose (fp2);
974
975 fclose (fp3);
976 bool result = wxRenameFile(outfile, file3);
977 return result;
978 }
979
980 // Copy files
981 bool
982 wxCopyFile (const wxString& file1, const wxString& file2, bool overwrite)
983 {
984 #if defined(__WIN32__)
985 // CopyFile() copies file attributes and modification time too, so use it
986 // instead of our code if available
987 //
988 // NB: 3rd parameter is bFailIfExists i.e. the inverse of overwrite
989 return ::CopyFile(file1, file2, !overwrite) != 0;
990 #else // !Win32
991 wxStructStat fbuf;
992
993 // get permissions of file1
994 if ( wxStat(OS_FILENAME(file1), &fbuf) != 0 )
995 {
996 // the file probably doesn't exist or we haven't the rights to read
997 // from it anyhow
998 wxLogSysError(_("Impossible to get permissions for file '%s'"),
999 file1.c_str());
1000 return FALSE;
1001 }
1002
1003 // open file1 for reading
1004 wxFile fileIn(file1, wxFile::read);
1005 if ( !fileIn.IsOpened() )
1006 return FALSE;
1007
1008 // remove file2, if it exists. This is needed for creating
1009 // file2 with the correct permissions in the next step
1010 if ( wxFileExists(file2) && (!overwrite || !wxRemoveFile(file2)))
1011 {
1012 wxLogSysError(_("Impossible to overwrite the file '%s'"),
1013 file2.c_str());
1014 return FALSE;
1015 }
1016
1017 #ifdef __UNIX__
1018 // reset the umask as we want to create the file with exactly the same
1019 // permissions as the original one
1020 mode_t oldUmask = umask( 0 );
1021 #endif // __UNIX__
1022
1023 // create file2 with the same permissions than file1 and open it for
1024 // writing
1025 wxFile fileOut;
1026 if ( !fileOut.Create(file2, overwrite, fbuf.st_mode & 0777) )
1027 return FALSE;
1028
1029 #ifdef __UNIX__
1030 /// restore the old umask
1031 umask(oldUmask);
1032 #endif // __UNIX__
1033
1034 // copy contents of file1 to file2
1035 char buf[4096];
1036 size_t count;
1037 for ( ;; )
1038 {
1039 count = fileIn.Read(buf, WXSIZEOF(buf));
1040 if ( fileIn.Error() )
1041 return FALSE;
1042
1043 // end of file?
1044 if ( !count )
1045 break;
1046
1047 if ( fileOut.Write(buf, count) < count )
1048 return FALSE;
1049 }
1050
1051 // we can expect fileIn to be closed successfully, but we should ensure
1052 // that fileOut was closed as some write errors (disk full) might not be
1053 // detected before doing this
1054 if ( !fileIn.Close() || !fileOut.Close() )
1055 return FALSE;
1056
1057 #if !defined(__VISAGECPP__) && !defined(__WXMAC__) || defined(__UNIX__)
1058 // no chmod in VA. Should be some permission API for HPFS386 partitions
1059 // however
1060 if ( chmod(OS_FILENAME(file2), fbuf.st_mode) != 0 )
1061 {
1062 wxLogSysError(_("Impossible to set permissions for the file '%s'"),
1063 file2.c_str());
1064 return FALSE;
1065 }
1066 #endif // OS/2 || Mac
1067
1068 return TRUE;
1069 #endif // __WXMSW__ && __WIN32__
1070 }
1071
1072 bool
1073 wxRenameFile (const wxString& file1, const wxString& file2)
1074 {
1075 // Normal system call
1076 if ( wxRename (file1, file2) == 0 )
1077 return TRUE;
1078
1079 // Try to copy
1080 if (wxCopyFile(file1, file2)) {
1081 wxRemoveFile(file1);
1082 return TRUE;
1083 }
1084 // Give up
1085 return FALSE;
1086 }
1087
1088 bool wxRemoveFile(const wxString& file)
1089 {
1090 #if defined(__VISUALC__) || defined(__BORLANDC__) || defined(__WATCOMC__)
1091 int res = wxRemove(file);
1092 #else
1093 int res = unlink(OS_FILENAME(file));
1094 #endif
1095
1096 return res == 0;
1097 }
1098
1099 bool wxMkdir(const wxString& dir, int perm)
1100 {
1101 #if defined(__WXMAC__) && !defined(__UNIX__)
1102 return (mkdir(wxUnix2MacFilename( dir ) , 0 ) == 0);
1103 #else // !Mac
1104 const wxChar *dirname = dir.c_str();
1105
1106 // assume mkdir() has 2 args on non Windows-OS/2 platforms and on Windows too
1107 // for the GNU compiler
1108 #if (!(defined(__WXMSW__) || defined(__WXPM__))) || (defined(__GNUWIN32__) && !defined(__MINGW32__)) || defined(__WXWINE__)
1109 if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1110 #elif defined(__WXPM__)
1111 if (::DosCreateDir((PSZ)dirname, NULL) != 0) // enhance for EAB's??
1112 #else // !MSW and !OS/2 VAC++
1113 (void)perm;
1114 if ( wxMkDir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
1115 #endif // !MSW/MSW
1116 {
1117 wxLogSysError(_("Directory '%s' couldn't be created"), dirname);
1118
1119 return FALSE;
1120 }
1121
1122 return TRUE;
1123 #endif // Mac/!Mac
1124 }
1125
1126 bool wxRmdir(const wxString& dir, int WXUNUSED(flags))
1127 {
1128 #ifdef __VMS__
1129 return FALSE; //to be changed since rmdir exists in VMS7.x
1130 #elif defined(__WXPM__)
1131 return (::DosDeleteDir((PSZ)dir.c_str()) == 0);
1132 #else
1133
1134 #ifdef __SALFORDC__
1135 return FALSE; // What to do?
1136 #else
1137 return (wxRmDir(OS_FILENAME(dir)) == 0);
1138 #endif
1139
1140 #endif
1141 }
1142
1143 // does the path exists? (may have or not '/' or '\\' at the end)
1144 bool wxPathExists(const wxChar *pszPathName)
1145 {
1146 wxString strPath(pszPathName);
1147 #ifdef __WINDOWS__
1148 // Windows fails to find directory named "c:\dir\" even if "c:\dir" exists,
1149 // so remove all trailing backslashes from the path - but don't do this for
1150 // the pathes "d:\" (which are different from "d:") nor for just "\"
1151 while ( wxEndsWithPathSeparator(strPath) )
1152 {
1153 size_t len = strPath.length();
1154 if ( len == 1 || strPath[len - 1] == _T(':') )
1155 break;
1156
1157 strPath.Truncate(len - 1);
1158 }
1159 #endif // __WINDOWS__
1160
1161 wxStructStat st;
1162 #ifndef __VISAGECPP__
1163 return wxStat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 &&
1164 ((st.st_mode & S_IFMT) == S_IFDIR);
1165 #else
1166 // S_IFMT not supported in VA compilers.. st_mode is a 2byte value only
1167 return wxStat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 &&
1168 (st.st_mode == S_IFDIR);
1169 #endif
1170
1171 }
1172
1173 // Get a temporary filename, opening and closing the file.
1174 wxChar *wxGetTempFileName(const wxString& prefix, wxChar *buf)
1175 {
1176 #ifdef __WINDOWS__
1177
1178 #ifndef __WIN32__
1179 wxChar tmp[144];
1180 ::GetTempFileName(0, WXSTRINGCAST prefix, 0, tmp);
1181 #else
1182 wxChar tmp[MAX_PATH];
1183 wxChar tmpPath[MAX_PATH];
1184 ::GetTempPath(MAX_PATH, tmpPath);
1185 ::GetTempFileName(tmpPath, WXSTRINGCAST prefix, 0, tmp);
1186 #endif
1187 if (buf) wxStrcpy(buf, tmp);
1188 else buf = copystring(tmp);
1189 return buf;
1190
1191 #else
1192 static short last_temp = 0; // cache last to speed things a bit
1193 // At most 1000 temp files to a process! We use a ring count.
1194 wxChar tmp[100]; // FIXME static buffer
1195
1196 for (short suffix = last_temp + 1; suffix != last_temp; ++suffix %= 1000)
1197 {
1198 wxSprintf (tmp, wxT("/tmp/%s%d.%03x"), WXSTRINGCAST prefix, (int) getpid (), (int) suffix);
1199 if (!wxFileExists( tmp ))
1200 {
1201 // Touch the file to create it (reserve name)
1202 FILE *fd = fopen (wxFNCONV(tmp), "w");
1203 if (fd)
1204 fclose (fd);
1205 last_temp = suffix;
1206 if (buf)
1207 wxStrcpy( buf, tmp);
1208 else
1209 buf = copystring( tmp );
1210 return buf;
1211 }
1212 }
1213 wxLogError( _("wxWindows: error finding temporary file name.\n") );
1214 if (buf) buf[0] = 0;
1215 return (wxChar *) NULL;
1216 #endif
1217 }
1218
1219 bool wxGetTempFileName(const wxString& prefix, wxString& buf)
1220 {
1221 wxChar buf2[512];
1222 if (wxGetTempFileName(prefix, buf2) != (wxChar*) NULL)
1223 {
1224 buf = buf2;
1225 return TRUE;
1226 }
1227 else
1228 return FALSE;
1229 }
1230
1231 // Get first file name matching given wild card.
1232
1233 #ifdef __UNIX__
1234
1235 // Get first file name matching given wild card.
1236 // Flags are reserved for future use.
1237
1238 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1239 static DIR *gs_dirStream = (DIR *) NULL;
1240 static wxString gs_strFileSpec;
1241 static int gs_findFlags = 0;
1242 #endif
1243
1244 wxString wxFindFirstFile(const wxChar *spec, int flags)
1245 {
1246 wxString result;
1247 #ifdef __VMS
1248 wxChar *specvms = NULL;
1249 #endif
1250
1251 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1252 if (gs_dirStream)
1253 closedir(gs_dirStream); // edz 941103: better housekeping
1254
1255 gs_findFlags = flags;
1256
1257 gs_strFileSpec = spec;
1258
1259 // Find path only so we can concatenate
1260 // found file onto path
1261 wxString path(wxPathOnly(gs_strFileSpec));
1262
1263 // special case: path is really "/"
1264 if ( !path && gs_strFileSpec[0u] == wxT('/') )
1265 #ifdef __VMS
1266 {
1267 wxStrcpy( specvms , wxT( "[000000]" ) );
1268 gs_strFileSpec = specvms;
1269 wxString path_vms(wxPathOnly(gs_strFileSpec));
1270 path = path_vms;
1271 }
1272 #else
1273 path = wxT('/');
1274 #endif
1275 // path is empty => Local directory
1276 if ( !path )
1277 #ifdef __VMS
1278 {
1279 wxStrcpy( specvms , wxT( "[]" ) );
1280 gs_strFileSpec = specvms;
1281 wxString path_vms1(wxPathOnly(gs_strFileSpec));
1282 path = path_vms1;
1283 }
1284 #else
1285 path = wxT('.');
1286 #endif
1287
1288 gs_dirStream = opendir(path.fn_str());
1289 if ( !gs_dirStream )
1290 {
1291 wxLogSysError(_("Can not enumerate files in directory '%s'"),
1292 path.c_str());
1293 }
1294 else
1295 {
1296 result = wxFindNextFile();
1297 }
1298 #endif // !VMS6.x or earlier
1299
1300 return result;
1301 }
1302
1303 wxString wxFindNextFile()
1304 {
1305 wxString result;
1306
1307 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1308 wxCHECK_MSG( gs_dirStream, result, wxT("must call wxFindFirstFile first") );
1309
1310 // Find path only so we can concatenate
1311 // found file onto path
1312 wxString path(wxPathOnly(gs_strFileSpec));
1313 wxString name(wxFileNameFromPath(gs_strFileSpec));
1314
1315 /* MATTHEW: special case: path is really "/" */
1316 if ( !path && gs_strFileSpec[0u] == wxT('/'))
1317 path = wxT('/');
1318
1319 // Do the reading
1320 struct dirent *nextDir;
1321 for ( nextDir = readdir(gs_dirStream);
1322 nextDir != NULL;
1323 nextDir = readdir(gs_dirStream) )
1324 {
1325 if (wxMatchWild(name, nextDir->d_name, FALSE) && // RR: added FALSE to find hidden files
1326 strcmp(nextDir->d_name, ".") &&
1327 strcmp(nextDir->d_name, "..") )
1328 {
1329 result.Empty();
1330 if ( !path.IsEmpty() )
1331 {
1332 result = path;
1333 if ( path != wxT('/') )
1334 result += wxT('/');
1335 }
1336
1337 result += nextDir->d_name;
1338
1339 // Only return "." and ".." when they match
1340 bool isdir;
1341 if ( (strcmp(nextDir->d_name, ".") == 0) ||
1342 (strcmp(nextDir->d_name, "..") == 0))
1343 {
1344 if ( (gs_findFlags & wxDIR) != 0 )
1345 isdir = TRUE;
1346 else
1347 continue;
1348 }
1349 else
1350 isdir = wxDirExists(result);
1351
1352 // and only return directories when flags & wxDIR
1353 if ( !gs_findFlags ||
1354 ((gs_findFlags & wxDIR) && isdir) ||
1355 ((gs_findFlags & wxFILE) && !isdir) )
1356 {
1357 return result;
1358 }
1359 }
1360 }
1361
1362 result.Empty(); // not found
1363
1364 closedir(gs_dirStream);
1365 gs_dirStream = (DIR *) NULL;
1366 #endif // !VMS6.2 or earlier
1367
1368 return result;
1369 }
1370
1371 #elif defined(__WXMAC__)
1372
1373 struct MacDirectoryIterator
1374 {
1375 CInfoPBRec m_CPB ;
1376 wxInt16 m_index ;
1377 long m_dirId ;
1378 Str255 m_name ;
1379 } ;
1380
1381 static int g_iter_flags ;
1382
1383 static MacDirectoryIterator g_iter ;
1384
1385 wxString wxFindFirstFile(const wxChar *spec, int flags)
1386 {
1387 wxString result;
1388
1389 g_iter_flags = flags; /* MATTHEW: [5] Remember flags */
1390
1391 // Find path only so we can concatenate found file onto path
1392 wxString path(wxPathOnly(spec));
1393 if ( !path.IsEmpty() )
1394 result << path << wxT('\\');
1395
1396 FSSpec fsspec ;
1397
1398 wxUnixFilename2FSSpec( result , &fsspec ) ;
1399 g_iter.m_CPB.hFileInfo.ioVRefNum = fsspec.vRefNum ;
1400 g_iter.m_CPB.hFileInfo.ioNamePtr = g_iter.m_name ;
1401 g_iter.m_index = 0 ;
1402
1403 Boolean isDir ;
1404 FSpGetDirectoryID( &fsspec , &g_iter.m_dirId , &isDir ) ;
1405 if ( !isDir )
1406 return wxEmptyString ;
1407
1408 return wxFindNextFile( ) ;
1409 }
1410
1411 wxString wxFindNextFile()
1412 {
1413 wxString result;
1414
1415 short err = noErr ;
1416
1417 while ( err == noErr )
1418 {
1419 g_iter.m_index++ ;
1420 g_iter.m_CPB.dirInfo.ioFDirIndex = g_iter.m_index;
1421 g_iter.m_CPB.dirInfo.ioDrDirID = g_iter.m_dirId; /* we need to do this every time */
1422 err = PBGetCatInfoSync((CInfoPBPtr)&g_iter.m_CPB);
1423 if ( err != noErr )
1424 break ;
1425
1426 if ( ( g_iter.m_CPB.dirInfo.ioFlAttrib & ioDirMask) != 0 && (g_iter_flags & wxDIR) ) // we have a directory
1427 break ;
1428
1429 if ( ( g_iter.m_CPB.dirInfo.ioFlAttrib & ioDirMask) == 0 && !(g_iter_flags & wxFILE ) )
1430 continue ;
1431
1432 // hit !
1433 break ;
1434 }
1435 if ( err != noErr )
1436 {
1437 return wxEmptyString ;
1438 }
1439 FSSpec spec ;
1440
1441 FSMakeFSSpecCompat(g_iter.m_CPB.hFileInfo.ioVRefNum,
1442 g_iter.m_dirId,
1443 g_iter.m_name,
1444 &spec) ;
1445
1446 return wxMacFSSpec2UnixFilename( &spec ) ;
1447 }
1448
1449 #elif defined(__WXMSW__)
1450
1451 #ifdef __WIN32__
1452 static HANDLE gs_hFileStruct = INVALID_HANDLE_VALUE;
1453 static WIN32_FIND_DATA gs_findDataStruct;
1454 #else // Win16
1455 #ifdef __BORLANDC__
1456 static struct ffblk gs_findDataStruct;
1457 #else
1458 static struct _find_t gs_findDataStruct;
1459 #endif // Borland
1460 #endif // Win32/16
1461
1462 static wxString gs_strFileSpec;
1463 static int gs_findFlags = 0;
1464
1465 wxString wxFindFirstFile(const wxChar *spec, int flags)
1466 {
1467 wxString result;
1468
1469 gs_strFileSpec = spec;
1470 gs_findFlags = flags; /* MATTHEW: [5] Remember flags */
1471
1472 // Find path only so we can concatenate found file onto path
1473 wxString path(wxPathOnly(gs_strFileSpec));
1474 if ( !path.IsEmpty() )
1475 result << path << wxT('\\');
1476
1477 #ifdef __WIN32__
1478 if ( gs_hFileStruct != INVALID_HANDLE_VALUE )
1479 FindClose(gs_hFileStruct);
1480
1481 gs_hFileStruct = ::FindFirstFile(WXSTRINGCAST spec, &gs_findDataStruct);
1482
1483 if ( gs_hFileStruct == INVALID_HANDLE_VALUE )
1484 {
1485 result.Empty();
1486
1487 return result;
1488 }
1489
1490 bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1491
1492 if (isdir && !(flags & wxDIR))
1493 return wxFindNextFile();
1494 else if (!isdir && flags && !(flags & wxFILE))
1495 return wxFindNextFile();
1496
1497 result += gs_findDataStruct.cFileName;
1498
1499 return result;
1500 #else // !Win32
1501 int flag = _A_NORMAL;
1502 if (flags & wxDIR)
1503 flag = _A_SUBDIR;
1504
1505 #ifdef __BORLANDC__
1506 if (findfirst(WXSTRINGCAST spec, &gs_findDataStruct, flag) == 0)
1507 #else
1508 if (_dos_findfirst(WXSTRINGCAST spec, flag, &gs_findDataStruct) == 0)
1509 #endif
1510 {
1511 char attrib;
1512
1513 #ifdef __BORLANDC__
1514 attrib = gs_findDataStruct.ff_attrib;
1515 #else
1516 attrib = gs_findDataStruct.attrib;
1517 #endif
1518
1519 if (attrib & _A_SUBDIR) {
1520 if (!(gs_findFlags & wxDIR))
1521 return wxFindNextFile();
1522 } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1523 return wxFindNextFile();
1524
1525 result +=
1526 #ifdef __BORLANDC__
1527 gs_findDataStruct.ff_name
1528 #else
1529 gs_findDataStruct.name
1530 #endif
1531 ;
1532 }
1533
1534 return result;
1535 #endif // __WIN32__
1536 }
1537
1538
1539 wxString wxFindNextFile()
1540 {
1541 wxString result;
1542
1543 // Find path only so we can concatenate found file onto path
1544 wxString path(wxPathOnly(gs_strFileSpec));
1545
1546 try_again:
1547
1548 #ifdef __WIN32__
1549 if (gs_hFileStruct == INVALID_HANDLE_VALUE)
1550 return result;
1551
1552 bool success = (FindNextFile(gs_hFileStruct, &gs_findDataStruct) != 0);
1553 if (!success)
1554 {
1555 FindClose(gs_hFileStruct);
1556 gs_hFileStruct = INVALID_HANDLE_VALUE;
1557 }
1558 else
1559 {
1560 bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1561
1562 if (isdir && !(gs_findFlags & wxDIR))
1563 goto try_again;
1564 else if (!isdir && gs_findFlags && !(gs_findFlags & wxFILE))
1565 goto try_again;
1566
1567 if ( !path.IsEmpty() )
1568 result << path << wxT('\\');
1569 result << gs_findDataStruct.cFileName;
1570 }
1571
1572 return result;
1573 #else // Win16
1574
1575 #ifdef __BORLANDC__
1576 if (findnext(&gs_findDataStruct) == 0)
1577 #else
1578 if (_dos_findnext(&gs_findDataStruct) == 0)
1579 #endif
1580 {
1581 /* MATTHEW: [5] Check directory flag */
1582 char attrib;
1583
1584 #ifdef __BORLANDC__
1585 attrib = gs_findDataStruct.ff_attrib;
1586 #else
1587 attrib = gs_findDataStruct.attrib;
1588 #endif
1589
1590 if (attrib & _A_SUBDIR) {
1591 if (!(gs_findFlags & wxDIR))
1592 goto try_again;
1593 } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1594 goto try_again;
1595
1596
1597 result +=
1598 #ifdef __BORLANDC__
1599 gs_findDataStruct.ff_name
1600 #else
1601 gs_findDataStruct.name
1602 #endif
1603 ;
1604 }
1605
1606 return result;
1607 #endif // Win32/16
1608 }
1609
1610 #elif defined(__WXPM__)
1611
1612 wxString wxFindFirstFile(const wxChar *spec, int flags)
1613 {
1614 wxString result;
1615
1616 /*
1617 // TODO: figure something out here for OS/2
1618 gs_strFileSpec = spec;
1619 gs_findFlags = flags;
1620
1621 // Find path only so we can concatenate found file onto path
1622 wxString path(wxPathOnly(gs_strFileSpec));
1623 if ( !path.IsEmpty() )
1624 result << path << wxT('\\');
1625
1626 int flag = _A_NORMAL;
1627 if (flags & wxDIR)
1628 flag = _A_SUBDIR;
1629
1630 if (_dos_findfirst(WXSTRINGCAST spec, flag, &gs_findDataStruct) == 0)
1631 {
1632 char attrib;
1633 attrib = gs_findDataStruct.attrib;
1634
1635 if (attrib & _A_SUBDIR) {
1636 if (!(gs_findFlags & wxDIR))
1637 return wxFindNextFile();
1638 } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1639 return wxFindNextFile();
1640
1641 result += gs_findDataStruct.name;
1642 }
1643 */
1644 return result;
1645 }
1646
1647 wxString wxFindNextFile()
1648 {
1649 wxString result;
1650 // TODO:
1651 return result;
1652 }
1653
1654 #endif // Unix/Windows/OS/2
1655
1656 // Get current working directory.
1657 // If buf is NULL, allocates space using new, else
1658 // copies into buf.
1659 wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
1660 {
1661 if (!buf)
1662 buf = new wxChar[sz+1];
1663 #if wxUSE_UNICODE
1664 char *cbuf = new char[sz+1];
1665 #ifdef _MSC_VER
1666 if (_getcwd(cbuf, sz) == NULL) {
1667 #elif defined(__WXMAC__) && !defined(__UNIX__)
1668 enum
1669 {
1670 SFSaveDisk = 0x214, CurDirStore = 0x398
1671 };
1672 FSSpec cwdSpec ;
1673
1674 FSMakeFSSpec( - *(short *) SFSaveDisk , *(long *) CurDirStore , NULL , &cwdSpec ) ;
1675 wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
1676 strcpy( buf , res ) ;
1677 if (0) {
1678 #else
1679 if (getcwd(cbuf, sz) == NULL) {
1680 #endif
1681 delete [] cbuf;
1682 #else // wxUnicode
1683 #ifdef _MSC_VER
1684 if (_getcwd(buf, sz) == NULL) {
1685 #elif defined(__WXMAC__) && !defined(__UNIX__)
1686 FSSpec cwdSpec ;
1687 FCBPBRec pb;
1688 OSErr error;
1689 Str255 fileName ;
1690 pb.ioNamePtr = (StringPtr) &fileName;
1691 pb.ioVRefNum = 0;
1692 pb.ioRefNum = LMGetCurApRefNum();
1693 pb.ioFCBIndx = 0;
1694 error = PBGetFCBInfoSync(&pb);
1695 if ( error == noErr )
1696 {
1697 cwdSpec.vRefNum = pb.ioFCBVRefNum;
1698 cwdSpec.parID = pb.ioFCBParID;
1699 cwdSpec.name[0] = 0 ;
1700 wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
1701
1702 strcpy( buf , res ) ;
1703 buf[res.length()-1]=0 ;
1704 }
1705 else
1706 buf[0] = 0 ;
1707 /*
1708 this version will not always give back the application directory on mac
1709 enum
1710 {
1711 SFSaveDisk = 0x214, CurDirStore = 0x398
1712 };
1713 FSSpec cwdSpec ;
1714
1715 FSMakeFSSpec( - *(short *) SFSaveDisk , *(long *) CurDirStore , NULL , &cwdSpec ) ;
1716 wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
1717 strcpy( buf , res ) ;
1718 */
1719 if (0) {
1720 #elif(__VISAGECPP__)
1721 APIRET rc;
1722 rc = ::DosQueryCurrentDir( 0 // current drive
1723 ,buf
1724 ,(PULONG)&sz
1725 );
1726 if (rc != 0) {
1727 #else
1728 if (getcwd(buf, sz) == NULL) {
1729 #endif
1730 #endif
1731 buf[0] = wxT('.');
1732 buf[1] = wxT('\0');
1733 }
1734 #if wxUSE_UNICODE
1735 else {
1736 wxConvFile.MB2WC(buf, cbuf, sz);
1737 delete [] cbuf;
1738 }
1739 #endif
1740 return buf;
1741 }
1742
1743 wxString wxGetCwd()
1744 {
1745 static const size_t maxPathLen = 1024;
1746
1747 wxString str;
1748 wxGetWorkingDirectory(str.GetWriteBuf(maxPathLen), maxPathLen);
1749 str.UngetWriteBuf();
1750
1751 return str;
1752 }
1753
1754 bool wxSetWorkingDirectory(const wxString& d)
1755 {
1756 #if defined( __UNIX__ ) || defined( __WXMAC__ )
1757 return (chdir(wxFNSTRINGCAST d.fn_str()) == 0);
1758 #elif defined(__WXPM__)
1759 return (::DosSetCurrentDir((PSZ)d.c_str()) == 0);
1760 #elif defined(__WINDOWS__)
1761
1762 #ifdef __WIN32__
1763 return (bool)(SetCurrentDirectory(d) != 0);
1764 #else
1765 // Must change drive, too.
1766 bool isDriveSpec = ((strlen(d) > 1) && (d[1] == ':'));
1767 if (isDriveSpec)
1768 {
1769 wxChar firstChar = d[0];
1770
1771 // To upper case
1772 if (firstChar > 90)
1773 firstChar = firstChar - 32;
1774
1775 // To a drive number
1776 unsigned int driveNo = firstChar - 64;
1777 if (driveNo > 0)
1778 {
1779 unsigned int noDrives;
1780 _dos_setdrive(driveNo, &noDrives);
1781 }
1782 }
1783 bool success = (chdir(WXSTRINGCAST d) == 0);
1784
1785 return success;
1786 #endif
1787
1788 #endif
1789 }
1790
1791 // Get the OS directory if appropriate (such as the Windows directory).
1792 // On non-Windows platform, probably just return the empty string.
1793 wxString wxGetOSDirectory()
1794 {
1795 #ifdef __WINDOWS__
1796 wxChar buf[256];
1797 GetWindowsDirectory(buf, 256);
1798 return wxString(buf);
1799 #else
1800 return wxEmptyString;
1801 #endif
1802 }
1803
1804 bool wxEndsWithPathSeparator(const wxChar *pszFileName)
1805 {
1806 size_t len = wxStrlen(pszFileName);
1807 if ( len == 0 )
1808 return FALSE;
1809 else
1810 return wxIsPathSeparator(pszFileName[len - 1]);
1811 }
1812
1813 // find a file in a list of directories, returns false if not found
1814 bool wxFindFileInPath(wxString *pStr, const wxChar *pszPath, const wxChar *pszFile)
1815 {
1816 // we assume that it's not empty
1817 wxCHECK_MSG( !wxIsEmpty(pszFile), FALSE,
1818 _T("empty file name in wxFindFileInPath"));
1819
1820 // skip path separator in the beginning of the file name if present
1821 if ( wxIsPathSeparator(*pszFile) )
1822 pszFile++;
1823
1824 // copy the path (strtok will modify it)
1825 wxChar *szPath = new wxChar[wxStrlen(pszPath) + 1];
1826 wxStrcpy(szPath, pszPath);
1827
1828 wxString strFile;
1829 wxChar *pc, *save_ptr;
1830 for ( pc = wxStrtok(szPath, wxPATH_SEP, &save_ptr);
1831 pc != NULL;
1832 pc = wxStrtok((wxChar *) NULL, wxPATH_SEP, &save_ptr) )
1833 {
1834 // search for the file in this directory
1835 strFile = pc;
1836 if ( !wxEndsWithPathSeparator(pc) )
1837 strFile += wxFILE_SEP_PATH;
1838 strFile += pszFile;
1839
1840 if ( FileExists(strFile) ) {
1841 *pStr = strFile;
1842 break;
1843 }
1844 }
1845
1846 // suppress warning about unused variable save_ptr when wxStrtok() is a
1847 // macro which throws away its third argument
1848 save_ptr = pc;
1849
1850 delete [] szPath;
1851
1852 return pc != NULL; // if true => we breaked from the loop
1853 }
1854
1855 void WXDLLEXPORT wxSplitPath(const wxChar *pszFileName,
1856 wxString *pstrPath,
1857 wxString *pstrName,
1858 wxString *pstrExt)
1859 {
1860 // it can be empty, but it shouldn't be NULL
1861 wxCHECK_RET( pszFileName, wxT("NULL file name in wxSplitPath") );
1862
1863 wxFileName::SplitPath(pszFileName, pstrPath, pstrName, pstrExt);
1864 }
1865
1866 time_t WXDLLEXPORT wxFileModificationTime(const wxString& filename)
1867 {
1868 wxStructStat buf;
1869
1870 wxStat(filename.fn_str(), &buf);
1871 return buf.st_mtime;
1872 }
1873
1874
1875 //------------------------------------------------------------------------
1876 // wild character routines
1877 //------------------------------------------------------------------------
1878
1879 bool wxIsWild( const wxString& pattern )
1880 {
1881 wxString tmp = pattern;
1882 wxChar *pat = WXSTRINGCAST(tmp);
1883 while (*pat) {
1884 switch (*pat++) {
1885 case wxT('?'): case wxT('*'): case wxT('['): case wxT('{'):
1886 return TRUE;
1887 case wxT('\\'):
1888 if (!*pat++)
1889 return FALSE;
1890 }
1891 }
1892 return FALSE;
1893 };
1894
1895 bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
1896
1897 #if defined(HAVE_FNMATCH_H)
1898 {
1899 // this probably won't work well for multibyte chars in Unicode mode?
1900 if(dot_special)
1901 return fnmatch(pat.fn_str(), text.fn_str(), FNM_PERIOD) == 0;
1902 else
1903 return fnmatch(pat.fn_str(), text.fn_str(), 0) == 0;
1904 }
1905 #else
1906
1907 // #pragma error Broken implementation of wxMatchWild() -- needs fixing!
1908
1909 /*
1910 * WARNING: this code is broken!
1911 */
1912 {
1913 wxString tmp1 = pat;
1914 wxChar *pattern = WXSTRINGCAST(tmp1);
1915 wxString tmp2 = text;
1916 wxChar *str = WXSTRINGCAST(tmp2);
1917 wxChar c;
1918 wxChar *cp;
1919 bool done = FALSE, ret_code, ok;
1920 // Below is for vi fans
1921 const wxChar OB = wxT('{'), CB = wxT('}');
1922
1923 // dot_special means '.' only matches '.'
1924 if (dot_special && *str == wxT('.') && *pattern != *str)
1925 return FALSE;
1926
1927 while ((*pattern != wxT('\0')) && (!done)
1928 && (((*str==wxT('\0'))&&((*pattern==OB)||(*pattern==wxT('*'))))||(*str!=wxT('\0')))) {
1929 switch (*pattern) {
1930 case wxT('\\'):
1931 pattern++;
1932 if (*pattern != wxT('\0'))
1933 pattern++;
1934 break;
1935 case wxT('*'):
1936 pattern++;
1937 ret_code = FALSE;
1938 while ((*str!=wxT('\0'))
1939 && ((ret_code=wxMatchWild(pattern, str++, FALSE)) == 0))
1940 /*loop*/;
1941 if (ret_code) {
1942 while (*str != wxT('\0'))
1943 str++;
1944 while (*pattern != wxT('\0'))
1945 pattern++;
1946 }
1947 break;
1948 case wxT('['):
1949 pattern++;
1950 repeat:
1951 if ((*pattern == wxT('\0')) || (*pattern == wxT(']'))) {
1952 done = TRUE;
1953 break;
1954 }
1955 if (*pattern == wxT('\\')) {
1956 pattern++;
1957 if (*pattern == wxT('\0')) {
1958 done = TRUE;
1959 break;
1960 }
1961 }
1962 if (*(pattern + 1) == wxT('-')) {
1963 c = *pattern;
1964 pattern += 2;
1965 if (*pattern == wxT(']')) {
1966 done = TRUE;
1967 break;
1968 }
1969 if (*pattern == wxT('\\')) {
1970 pattern++;
1971 if (*pattern == wxT('\0')) {
1972 done = TRUE;
1973 break;
1974 }
1975 }
1976 if ((*str < c) || (*str > *pattern)) {
1977 pattern++;
1978 goto repeat;
1979 }
1980 } else if (*pattern != *str) {
1981 pattern++;
1982 goto repeat;
1983 }
1984 pattern++;
1985 while ((*pattern != wxT(']')) && (*pattern != wxT('\0'))) {
1986 if ((*pattern == wxT('\\')) && (*(pattern + 1) != wxT('\0')))
1987 pattern++;
1988 pattern++;
1989 }
1990 if (*pattern != wxT('\0')) {
1991 pattern++, str++;
1992 }
1993 break;
1994 case wxT('?'):
1995 pattern++;
1996 str++;
1997 break;
1998 case OB:
1999 pattern++;
2000 while ((*pattern != CB) && (*pattern != wxT('\0'))) {
2001 cp = str;
2002 ok = TRUE;
2003 while (ok && (*cp != wxT('\0')) && (*pattern != wxT('\0'))
2004 && (*pattern != wxT(',')) && (*pattern != CB)) {
2005 if (*pattern == wxT('\\'))
2006 pattern++;
2007 ok = (*pattern++ == *cp++);
2008 }
2009 if (*pattern == wxT('\0')) {
2010 ok = FALSE;
2011 done = TRUE;
2012 break;
2013 } else if (ok) {
2014 str = cp;
2015 while ((*pattern != CB) && (*pattern != wxT('\0'))) {
2016 if (*++pattern == wxT('\\')) {
2017 if (*++pattern == CB)
2018 pattern++;
2019 }
2020 }
2021 } else {
2022 while (*pattern!=CB && *pattern!=wxT(',') && *pattern!=wxT('\0')) {
2023 if (*++pattern == wxT('\\')) {
2024 if (*++pattern == CB || *pattern == wxT(','))
2025 pattern++;
2026 }
2027 }
2028 }
2029 if (*pattern != wxT('\0'))
2030 pattern++;
2031 }
2032 break;
2033 default:
2034 if (*str == *pattern) {
2035 str++, pattern++;
2036 } else {
2037 done = TRUE;
2038 }
2039 }
2040 }
2041 while (*pattern == wxT('*'))
2042 pattern++;
2043 return ((*str == wxT('\0')) && (*pattern == wxT('\0')));
2044 };
2045
2046 #endif
2047
2048 #ifdef __VISUALC__
2049 #pragma warning(default:4706) // assignment within conditional expression
2050 #endif // VC++
wxWidgets (Impactor)