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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 #if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
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 #include <wchar.h>
82 #ifndef __TWIN32__
83 #include <sys/unistd.h>
84 #endif
85 #endif
86
87 #ifdef __BORLANDC__ // Please someone tell me which version of Borland needs
88 // this (3.1 I believe) and how to test for it.
89 // If this works for Borland 4.0 as well, then no worries.
90 #include <dir.h>
91 #endif
92
93 #ifdef __SALFORDC__
94 #include <dir.h>
95 #include <unix.h>
96 #endif
97
98 #include "wx/setup.h"
99 #include "wx/log.h"
100
101 // No, Cygwin doesn't appear to have fnmatch.h after all.
102 #if defined(HAVE_FNMATCH_H)
103 #include "fnmatch.h"
104 #endif
105
106 #ifdef __WINDOWS__
107 #include <windows.h>
108 #endif
109
110 // ----------------------------------------------------------------------------
111 // constants
112 // ----------------------------------------------------------------------------
113
114 #define _MAXPATHLEN 500
115
116 extern wxChar *wxBuffer;
117
118 #ifdef __WXMAC__
119 # include "MoreFiles.h"
120 # include "MoreFilesExtras.h"
121 # include "FullPath.h"
122 # include "FSpCompat.h"
123 #endif
124
125 IMPLEMENT_DYNAMIC_CLASS(wxPathList, wxStringList)
126
127 // ----------------------------------------------------------------------------
128 // private globals
129 // ----------------------------------------------------------------------------
130
131 static wxChar wxFileFunctionsBuffer[4*_MAXPATHLEN];
132
133 #if defined(__VISAGECPP__) && __IBMCPP__ >= 400
134 //
135 // VisualAge C++ V4.0 cannot have any external linkage const decs
136 // in headers included by more than one primary source
137 //
138 const off_t wxInvalidOffset = (off_t)-1;
139 #endif
140
141 // ----------------------------------------------------------------------------
142 // macros
143 // ----------------------------------------------------------------------------
144
145 // we need to translate Mac filenames before passing them to OS functions
146 #define OS_FILENAME(s) (s.fn_str())
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 #if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
276 // GetFileAttributes can copy with network paths
277 DWORD ret = GetFileAttributes(filename);
278 DWORD isDir = (ret & FILE_ATTRIBUTE_DIRECTORY);
279 return ((ret != 0xffffffff) && (isDir == 0));
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 defined(__WXMAC__) && !defined(__DARWIN__)
295 // Classic or Carbon CodeWarrior like
296 // Carbon with Apple DevTools is Unix like
297
298 // This seems wrong to me, but there is no fix. since
299 // "MacOS:MyText.txt" is absolute whereas "MyDir:MyText.txt"
300 // is not. Or maybe ":MyDir:MyText.txt" has to be used? RR.
301 if (filename.Find(':') != wxNOT_FOUND && filename[0] != ':')
302 return TRUE ;
303 #else
304 // Unix like or Windows
305 if (filename[0] == wxT('/'))
306 return TRUE;
307 #endif
308 #ifdef __VMS__
309 if ((filename[0] == wxT('[') && filename[1] != wxT('.')))
310 return TRUE;
311 #endif
312 #ifdef __WINDOWS__
313 // MSDOS like
314 if (filename[0] == wxT('\\') || (wxIsalpha (filename[0]) && filename[1] == wxT(':')))
315 return TRUE;
316 #endif
317 }
318 return FALSE ;
319 }
320
321 /*
322 * Strip off any extension (dot something) from end of file,
323 * IF one exists. Inserts zero into buffer.
324 *
325 */
326
327 void wxStripExtension(wxChar *buffer)
328 {
329 int len = wxStrlen(buffer);
330 int i = len-1;
331 while (i > 0)
332 {
333 if (buffer[i] == wxT('.'))
334 {
335 buffer[i] = 0;
336 break;
337 }
338 i --;
339 }
340 }
341
342 void wxStripExtension(wxString& buffer)
343 {
344 size_t len = buffer.Length();
345 size_t i = len-1;
346 while (i > 0)
347 {
348 if (buffer.GetChar(i) == wxT('.'))
349 {
350 buffer = buffer.Left(i);
351 break;
352 }
353 i --;
354 }
355 }
356
357 // Destructive removal of /./ and /../ stuff
358 wxChar *wxRealPath (wxChar *path)
359 {
360 #ifdef __WXMSW__
361 static const wxChar SEP = wxT('\\');
362 Unix2DosFilename(path);
363 #else
364 static const wxChar SEP = wxT('/');
365 #endif
366 if (path[0] && path[1]) {
367 /* MATTHEW: special case "/./x" */
368 wxChar *p;
369 if (path[2] == SEP && path[1] == wxT('.'))
370 p = &path[0];
371 else
372 p = &path[2];
373 for (; *p; p++)
374 {
375 if (*p == SEP)
376 {
377 if (p[1] == wxT('.') && p[2] == wxT('.') && (p[3] == SEP || p[3] == wxT('\0')))
378 {
379 wxChar *q;
380 for (q = p - 1; q >= path && *q != SEP; q--);
381 if (q[0] == SEP && (q[1] != wxT('.') || q[2] != wxT('.') || q[3] != SEP)
382 && (q - 1 <= path || q[-1] != SEP))
383 {
384 wxStrcpy (q, p + 3);
385 if (path[0] == wxT('\0'))
386 {
387 path[0] = SEP;
388 path[1] = wxT('\0');
389 }
390 #ifdef __WXMSW__
391 /* Check that path[2] is NULL! */
392 else if (path[1] == wxT(':') && !path[2])
393 {
394 path[2] = SEP;
395 path[3] = wxT('\0');
396 }
397 #endif
398 p = q - 1;
399 }
400 }
401 else if (p[1] == wxT('.') && (p[2] == SEP || p[2] == wxT('\0')))
402 wxStrcpy (p, p + 2);
403 }
404 }
405 }
406 return path;
407 }
408
409 // Must be destroyed
410 wxChar *wxCopyAbsolutePath(const wxString& filename)
411 {
412 if (filename == wxT(""))
413 return (wxChar *) NULL;
414
415 if (! IsAbsolutePath(wxExpandPath(wxFileFunctionsBuffer, filename))) {
416 wxChar buf[_MAXPATHLEN];
417 buf[0] = wxT('\0');
418 wxGetWorkingDirectory(buf, WXSIZEOF(buf));
419 wxChar ch = buf[wxStrlen(buf) - 1];
420 #ifdef __WXMSW__
421 if (ch != wxT('\\') && ch != wxT('/'))
422 wxStrcat(buf, wxT("\\"));
423 #else
424 if (ch != wxT('/'))
425 wxStrcat(buf, wxT("/"));
426 #endif
427 wxStrcat(buf, wxFileFunctionsBuffer);
428 return copystring( wxRealPath(buf) );
429 }
430 return copystring( wxFileFunctionsBuffer );
431 }
432
433 /*-
434 Handles:
435 ~/ => home dir
436 ~user/ => user's home dir
437 If the environment variable a = "foo" and b = "bar" then:
438 Unix:
439 $a => foo
440 $a$b => foobar
441 $a.c => foo.c
442 xxx$a => xxxfoo
443 ${a}! => foo!
444 $(b)! => bar!
445 \$a => \$a
446 MSDOS:
447 $a ==> $a
448 $(a) ==> foo
449 $(a)$b ==> foo$b
450 $(a)$(b)==> foobar
451 test.$$ ==> test.$$
452 */
453
454 /* input name in name, pathname output to buf. */
455
456 wxChar *wxExpandPath(wxChar *buf, const wxChar *name)
457 {
458 register wxChar *d, *s, *nm;
459 wxChar lnm[_MAXPATHLEN];
460 int q;
461
462 // Some compilers don't like this line.
463 // const wxChar trimchars[] = wxT("\n \t");
464
465 wxChar trimchars[4];
466 trimchars[0] = wxT('\n');
467 trimchars[1] = wxT(' ');
468 trimchars[2] = wxT('\t');
469 trimchars[3] = 0;
470
471 #ifdef __WXMSW__
472 const wxChar SEP = wxT('\\');
473 #else
474 const wxChar SEP = wxT('/');
475 #endif
476 buf[0] = wxT('\0');
477 if (name == NULL || *name == wxT('\0'))
478 return buf;
479 nm = copystring(name); // Make a scratch copy
480 wxChar *nm_tmp = nm;
481
482 /* Skip leading whitespace and cr */
483 while (wxStrchr((wxChar *)trimchars, *nm) != NULL)
484 nm++;
485 /* And strip off trailing whitespace and cr */
486 s = nm + (q = wxStrlen(nm)) - 1;
487 while (q-- && wxStrchr((wxChar *)trimchars, *s) != NULL)
488 *s = wxT('\0');
489
490 s = nm;
491 d = lnm;
492 #ifdef __WXMSW__
493 q = FALSE;
494 #else
495 q = nm[0] == wxT('\\') && nm[1] == wxT('~');
496 #endif
497
498 /* Expand inline environment variables */
499 #ifdef __VISAGECPP__
500 while (*d)
501 {
502 *d++ = *s;
503 if(*s == wxT('\\'))
504 {
505 *(d - 1) = *++s;
506 if (*d)
507 {
508 s++;
509 continue;
510 }
511 else
512 break;
513 }
514 else
515 #else
516 while ((*d++ = *s) != 0) {
517 # ifndef __WXMSW__
518 if (*s == wxT('\\')) {
519 if ((*(d - 1) = *++s)) {
520 s++;
521 continue;
522 } else
523 break;
524 } else
525 # endif
526 #endif
527 #ifdef __WXMSW__
528 if (*s++ == wxT('$') && (*s == wxT('{') || *s == wxT(')')))
529 #else
530 if (*s++ == wxT('$'))
531 #endif
532 {
533 register wxChar *start = d;
534 register int braces = (*s == wxT('{') || *s == wxT('('));
535 register wxChar *value;
536 while ((*d++ = *s) != 0)
537 if (braces ? (*s == wxT('}') || *s == wxT(')')) : !(wxIsalnum(*s) || *s == wxT('_')) )
538 break;
539 else
540 s++;
541 *--d = 0;
542 value = wxGetenv(braces ? start + 1 : start);
543 if (value) {
544 for ((d = start - 1); (*d++ = *value++) != 0;);
545 d--;
546 if (braces && *s)
547 s++;
548 }
549 }
550 }
551
552 /* Expand ~ and ~user */
553 nm = lnm;
554 s = wxT("");
555 if (nm[0] == wxT('~') && !q)
556 {
557 /* prefix ~ */
558 if (nm[1] == SEP || nm[1] == 0)
559 { /* ~/filename */
560 // FIXME: wxGetUserHome could return temporary storage in Unicode mode
561 if ((s = WXSTRINGCAST wxGetUserHome(wxT(""))) != NULL) {
562 if (*++nm)
563 nm++;
564 }
565 } else
566 { /* ~user/filename */
567 register wxChar *nnm;
568 register wxChar *home;
569 for (s = nm; *s && *s != SEP; s++);
570 int was_sep; /* MATTHEW: Was there a separator, or NULL? */
571 was_sep = (*s == SEP);
572 nnm = *s ? s + 1 : s;
573 *s = 0;
574 // FIXME: wxGetUserHome could return temporary storage in Unicode mode
575 if ((home = WXSTRINGCAST wxGetUserHome(wxString(nm + 1))) == NULL) {
576 if (was_sep) /* replace only if it was there: */
577 *s = SEP;
578 s = wxT("");
579 } else {
580 nm = nnm;
581 s = home;
582 }
583 }
584 }
585
586 d = buf;
587 if (s && *s) { /* MATTHEW: s could be NULL if user '~' didn't exist */
588 /* Copy home dir */
589 while (wxT('\0') != (*d++ = *s++))
590 /* loop */;
591 // Handle root home
592 if (d - 1 > buf && *(d - 2) != SEP)
593 *(d - 1) = SEP;
594 }
595 s = nm;
596 while ((*d++ = *s++) != 0);
597 delete[] nm_tmp; // clean up alloc
598 /* Now clean up the buffer */
599 return wxRealPath(buf);
600 }
601
602 /* Contract Paths to be build upon an environment variable
603 component:
604
605 example: "/usr/openwin/lib", OPENWINHOME --> ${OPENWINHOME}/lib
606
607 The call wxExpandPath can convert these back!
608 */
609 wxChar *
610 wxContractPath (const wxString& filename, const wxString& envname, const wxString& user)
611 {
612 static wxChar dest[_MAXPATHLEN];
613
614 if (filename == wxT(""))
615 return (wxChar *) NULL;
616
617 wxStrcpy (dest, WXSTRINGCAST filename);
618 #ifdef __WXMSW__
619 Unix2DosFilename(dest);
620 #endif
621
622 // Handle environment
623 const wxChar *val = (const wxChar *) NULL;
624 wxChar *tcp = (wxChar *) NULL;
625 if (envname != WXSTRINGCAST NULL && (val = wxGetenv (WXSTRINGCAST envname)) != NULL &&
626 (tcp = wxStrstr (dest, val)) != NULL)
627 {
628 wxStrcpy (wxFileFunctionsBuffer, tcp + wxStrlen (val));
629 *tcp++ = wxT('$');
630 *tcp++ = wxT('{');
631 wxStrcpy (tcp, WXSTRINGCAST envname);
632 wxStrcat (tcp, wxT("}"));
633 wxStrcat (tcp, wxFileFunctionsBuffer);
634 }
635
636 // Handle User's home (ignore root homes!)
637 size_t len = 0;
638 if ((val = wxGetUserHome (user)) != NULL &&
639 (len = wxStrlen(val)) > 2 &&
640 wxStrncmp(dest, val, len) == 0)
641 {
642 wxStrcpy(wxFileFunctionsBuffer, wxT("~"));
643 if (user != wxT(""))
644 wxStrcat(wxFileFunctionsBuffer, (const wxChar*) user);
645 #ifdef __WXMSW__
646 // strcat(wxFileFunctionsBuffer, "\\");
647 #else
648 // strcat(wxFileFunctionsBuffer, "/");
649 #endif
650 wxStrcat(wxFileFunctionsBuffer, dest + len);
651 wxStrcpy (dest, wxFileFunctionsBuffer);
652 }
653
654 return dest;
655 }
656
657 // Return just the filename, not the path
658 // (basename)
659 wxChar *wxFileNameFromPath (wxChar *path)
660 {
661 if (path)
662 {
663 register wxChar *tcp;
664
665 tcp = path + wxStrlen (path);
666 while (--tcp >= path)
667 {
668 #if defined(__WXMAC__) && !defined(__DARWIN__)
669 // Classic or Carbon CodeWarrior like
670 // Carbon with Apple DevTools is Unix like
671 if (*tcp == wxT(':'))
672 return tcp + 1;
673 #else
674 // Unix like or Windows
675 if (*tcp == wxT('/') || *tcp == wxT('\\'))
676 return tcp + 1;
677 #endif
678 #ifdef __VMS__
679 if (*tcp == wxT(':') || *tcp == wxT(']'))
680 return tcp + 1;
681 #endif
682 } /* while */
683 #if defined(__WXMSW__) || defined(__WXPM__)
684 // MSDOS like
685 if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
686 return path + 2;
687 #endif
688 }
689 return path;
690 }
691
692 wxString wxFileNameFromPath (const wxString& path1)
693 {
694 if (path1 != wxT(""))
695 {
696 wxChar *path = WXSTRINGCAST path1 ;
697 register wxChar *tcp;
698
699 tcp = path + wxStrlen (path);
700 while (--tcp >= path)
701 {
702 #if defined(__WXMAC__) && !defined(__DARWIN__)
703 // Classic or Carbon CodeWarrior like
704 // Carbon with Apple DevTools is Unix like
705 if (*tcp == wxT(':') )
706 return wxString(tcp + 1);
707 #else
708 // Unix like or Windows
709 if (*tcp == wxT('/') || *tcp == wxT('\\'))
710 return wxString(tcp + 1);
711 #endif
712 #ifdef __VMS__
713 if (*tcp == wxT(':') || *tcp == wxT(']'))
714 return wxString(tcp + 1);
715 #endif
716 } /* while */
717 #if defined(__WXMSW__) || defined(__WXPM__)
718 // MSDOS like
719 if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
720 return wxString(path + 2);
721 #endif
722 }
723 // Yes, this should return the path, not an empty string, otherwise
724 // we get "thing.txt" -> "".
725 return path1;
726 }
727
728 // Return just the directory, or NULL if no directory
729 wxChar *
730 wxPathOnly (wxChar *path)
731 {
732 if (path && *path)
733 {
734 static wxChar buf[_MAXPATHLEN];
735
736 // Local copy
737 wxStrcpy (buf, path);
738
739 int l = wxStrlen(path);
740 int i = l - 1;
741
742 // Search backward for a backward or forward slash
743 while (i > -1)
744 {
745 #if defined(__WXMAC__) && !defined(__DARWIN__)
746 // Classic or Carbon CodeWarrior like
747 // Carbon with Apple DevTools is Unix like
748 if (path[i] == wxT(':') )
749 {
750 buf[i] = 0;
751 return buf;
752 }
753 #else
754 // Unix like or Windows
755 if (path[i] == wxT('/') || path[i] == wxT('\\'))
756 {
757 buf[i] = 0;
758 return buf;
759 }
760 #endif
761 #ifdef __VMS__
762 if (path[i] == wxT(']'))
763 {
764 buf[i+1] = 0;
765 return buf;
766 }
767 #endif
768 i --;
769 }
770
771 #if defined(__WXMSW__) || defined(__WXPM__)
772 // Try Drive specifier
773 if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
774 {
775 // A:junk --> A:. (since A:.\junk Not A:\junk)
776 buf[2] = wxT('.');
777 buf[3] = wxT('\0');
778 return buf;
779 }
780 #endif
781 }
782 return (wxChar *) NULL;
783 }
784
785 // Return just the directory, or NULL if no directory
786 wxString wxPathOnly (const wxString& path)
787 {
788 if (path != wxT(""))
789 {
790 wxChar buf[_MAXPATHLEN];
791
792 // Local copy
793 wxStrcpy (buf, WXSTRINGCAST path);
794
795 int l = path.Length();
796 int i = l - 1;
797
798 // Search backward for a backward or forward slash
799 while (i > -1)
800 {
801 #if defined(__WXMAC__) && !defined(__DARWIN__)
802 // Classic or Carbon CodeWarrior like
803 // Carbon with Apple DevTools is Unix like
804 if (path[i] == wxT(':') )
805 {
806 buf[i] = 0;
807 return wxString(buf);
808 }
809 #else
810 // Unix like or Windows
811 if (path[i] == wxT('/') || path[i] == wxT('\\'))
812 {
813 buf[i] = 0;
814 return wxString(buf);
815 }
816 #endif
817 #ifdef __VMS__
818 if (path[i] == wxT(']'))
819 {
820 buf[i+1] = 0;
821 return wxString(buf);
822 }
823 #endif
824 i --;
825 }
826
827 #if defined(__WXMSW__) || defined(__WXPM__)
828 // Try Drive specifier
829 if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
830 {
831 // A:junk --> A:. (since A:.\junk Not A:\junk)
832 buf[2] = wxT('.');
833 buf[3] = wxT('\0');
834 return wxString(buf);
835 }
836 #endif
837 }
838 return wxString(wxT(""));
839 }
840
841 // Utility for converting delimiters in DOS filenames to UNIX style
842 // and back again - or we get nasty problems with delimiters.
843 // Also, convert to lower case, since case is significant in UNIX.
844
845 #if defined(__WXMAC__)
846 wxString wxMacFSSpec2MacFilename( const FSSpec *spec )
847 {
848 #ifdef __DARWIN__
849 FSRef theRef;
850 char thePath[FILENAME_MAX];
851
852 // convert the FSSpec to an FSRef
853 (void) FSpMakeFSRef( spec, &theRef );
854 // get the POSIX path associated with the FSRef
855 (void) FSRefMakePath( &theRef, (UInt8 *)thePath, sizeof(thePath) );
856
857 // create path string for return value
858 wxString result( thePath ) ;
859 #else
860 Handle myPath ;
861 short length ;
862
863 // get length of path and allocate handle
864 FSpGetFullPath( spec , &length , &myPath ) ;
865 ::SetHandleSize( myPath , length + 1 ) ;
866 ::HLock( myPath ) ;
867 (*myPath)[length] = 0 ;
868 if ((length > 0) && ((*myPath)[length-1] == ':'))
869 (*myPath)[length-1] = 0 ;
870
871 // create path string for return value
872 wxString result( (char*) *myPath ) ;
873
874 // free allocated handle
875 ::HUnlock( myPath ) ;
876 ::DisposeHandle( myPath ) ;
877 #endif
878
879 return result ;
880 }
881
882 void wxMacFilename2FSSpec( const char *path , FSSpec *spec )
883 {
884 #ifdef __DARWIN__
885 FSRef theRef;
886
887 // get the FSRef associated with the POSIX path
888 (void) FSPathMakeRef((const UInt8 *) path, &theRef, NULL);
889 // convert the FSRef to an FSSpec
890 (void) FSGetCatalogInfo(&theRef, kFSCatInfoNone, NULL, NULL, spec, NULL);
891 #else
892 FSpLocationFromFullPath( strlen(path) , path , spec ) ;
893 #endif
894 }
895
896 #ifndef __DARWIN__
897 // Mac file names are POSIX (Unix style) under Darwin
898 // therefore the conversion functions below are not needed
899
900 static char sMacFileNameConversion[ 1000 ] ;
901
902 wxString wxMac2UnixFilename (const char *str)
903 {
904 char *s = sMacFileNameConversion ;
905 strcpy( s , str ) ;
906 if (s)
907 {
908 memmove( s+1 , s ,strlen( s ) + 1) ;
909 if ( *s == ':' )
910 *s = '.' ;
911 else
912 *s = '/' ;
913
914 while (*s)
915 {
916 if (*s == ':')
917 *s = '/';
918 else
919 *s = wxTolower(*s); // Case INDEPENDENT
920 s++;
921 }
922 }
923 return wxString(sMacFileNameConversion) ;
924 }
925
926 wxString wxUnix2MacFilename (const char *str)
927 {
928 char *s = sMacFileNameConversion ;
929 strcpy( s , str ) ;
930 if (s)
931 {
932 if ( *s == '.' )
933 {
934 // relative path , since it goes on with slash which is translated to a :
935 memmove( s , s+1 ,strlen( s ) ) ;
936 }
937 else if ( *s == '/' )
938 {
939 // absolute path -> on mac just start with the drive name
940 memmove( s , s+1 ,strlen( s ) ) ;
941 }
942 else
943 {
944 wxASSERT_MSG( 1 , "unkown path beginning" ) ;
945 }
946 while (*s)
947 {
948 if (*s == '/' || *s == '\\')
949 {
950 // convert any back-directory situations
951 if ( *(s+1) == '.' && *(s+2) == '.' && ( (*(s+3) == '/' || *(s+3) == '\\') ) )
952 {
953 *s = ':';
954 memmove( s+1 , s+3 ,strlen( s+3 ) + 1 ) ;
955 }
956 else
957 *s = ':';
958 }
959 s++ ;
960 }
961 }
962 return wxString (sMacFileNameConversion) ;
963 }
964
965 wxString wxMacFSSpec2UnixFilename( const FSSpec *spec )
966 {
967 return wxMac2UnixFilename( wxMacFSSpec2MacFilename( spec) ) ;
968 }
969
970 void wxUnixFilename2FSSpec( const char *path , FSSpec *spec )
971 {
972 wxString var = wxUnix2MacFilename( path ) ;
973 wxMacFilename2FSSpec( var , spec ) ;
974 }
975 #endif // ! __DARWIN__
976
977 #endif // __WXMAC__
978
979 void
980 wxDos2UnixFilename (char *s)
981 {
982 if (s)
983 while (*s)
984 {
985 if (*s == '\\')
986 *s = '/';
987 #ifdef __WXMSW__
988 else
989 *s = wxTolower (*s); // Case INDEPENDENT
990 #endif
991 s++;
992 }
993 }
994
995 void
996 #if defined(__WXMSW__) || defined(__WXPM__)
997 wxUnix2DosFilename (wxChar *s)
998 #else
999 wxUnix2DosFilename (wxChar *WXUNUSED(s) )
1000 #endif
1001 {
1002 // Yes, I really mean this to happen under DOS only! JACS
1003 #if defined(__WXMSW__) || defined(__WXPM__)
1004 if (s)
1005 while (*s)
1006 {
1007 if (*s == wxT('/'))
1008 *s = wxT('\\');
1009 s++;
1010 }
1011 #endif
1012 }
1013
1014 // Concatenate two files to form third
1015 bool
1016 wxConcatFiles (const wxString& file1, const wxString& file2, const wxString& file3)
1017 {
1018 wxString outfile;
1019 if ( !wxGetTempFileName("cat", outfile) )
1020 return FALSE;
1021
1022 FILE *fp1 = (FILE *) NULL;
1023 FILE *fp2 = (FILE *) NULL;
1024 FILE *fp3 = (FILE *) NULL;
1025 // Open the inputs and outputs
1026 if ((fp1 = wxFopen (OS_FILENAME( file1 ), wxT("rb"))) == NULL ||
1027 (fp2 = wxFopen (OS_FILENAME( file2 ), wxT("rb"))) == NULL ||
1028 (fp3 = wxFopen (OS_FILENAME( outfile ), wxT("wb"))) == NULL)
1029 {
1030 if (fp1)
1031 fclose (fp1);
1032 if (fp2)
1033 fclose (fp2);
1034 if (fp3)
1035 fclose (fp3);
1036 return FALSE;
1037 }
1038
1039 int ch;
1040 while ((ch = getc (fp1)) != EOF)
1041 (void) putc (ch, fp3);
1042 fclose (fp1);
1043
1044 while ((ch = getc (fp2)) != EOF)
1045 (void) putc (ch, fp3);
1046 fclose (fp2);
1047
1048 fclose (fp3);
1049 bool result = wxRenameFile(outfile, file3);
1050 return result;
1051 }
1052
1053 // Copy files
1054 bool
1055 wxCopyFile (const wxString& file1, const wxString& file2, bool overwrite)
1056 {
1057 #if defined(__WIN32__) && !defined(__WXMICROWIN__)
1058 // CopyFile() copies file attributes and modification time too, so use it
1059 // instead of our code if available
1060 //
1061 // NB: 3rd parameter is bFailIfExists i.e. the inverse of overwrite
1062 return ::CopyFile(file1, file2, !overwrite) != 0;
1063 #elif defined(__WXPM__)
1064 if (::DosCopy(file2, file2, overwrite ? DCPY_EXISTING : 0) == 0)
1065 return TRUE;
1066 else
1067 return FALSE;
1068 #else // !Win32
1069 wxStructStat fbuf;
1070
1071 // get permissions of file1
1072 if ( wxStat(OS_FILENAME(file1), &fbuf) != 0 )
1073 {
1074 // the file probably doesn't exist or we haven't the rights to read
1075 // from it anyhow
1076 wxLogSysError(_("Impossible to get permissions for file '%s'"),
1077 file1.c_str());
1078 return FALSE;
1079 }
1080
1081 // open file1 for reading
1082 wxFile fileIn(file1, wxFile::read);
1083 if ( !fileIn.IsOpened() )
1084 return FALSE;
1085
1086 // remove file2, if it exists. This is needed for creating
1087 // file2 with the correct permissions in the next step
1088 if ( wxFileExists(file2) && (!overwrite || !wxRemoveFile(file2)))
1089 {
1090 wxLogSysError(_("Impossible to overwrite the file '%s'"),
1091 file2.c_str());
1092 return FALSE;
1093 }
1094
1095 #ifdef __UNIX__
1096 // reset the umask as we want to create the file with exactly the same
1097 // permissions as the original one
1098 mode_t oldUmask = umask( 0 );
1099 #endif // __UNIX__
1100
1101 // create file2 with the same permissions than file1 and open it for
1102 // writing
1103 wxFile fileOut;
1104 if ( !fileOut.Create(file2, overwrite, fbuf.st_mode & 0777) )
1105 return FALSE;
1106
1107 #ifdef __UNIX__
1108 /// restore the old umask
1109 umask(oldUmask);
1110 #endif // __UNIX__
1111
1112 // copy contents of file1 to file2
1113 char buf[4096];
1114 size_t count;
1115 for ( ;; )
1116 {
1117 count = fileIn.Read(buf, WXSIZEOF(buf));
1118 if ( fileIn.Error() )
1119 return FALSE;
1120
1121 // end of file?
1122 if ( !count )
1123 break;
1124
1125 if ( fileOut.Write(buf, count) < count )
1126 return FALSE;
1127 }
1128
1129 // we can expect fileIn to be closed successfully, but we should ensure
1130 // that fileOut was closed as some write errors (disk full) might not be
1131 // detected before doing this
1132 if ( !fileIn.Close() || !fileOut.Close() )
1133 return FALSE;
1134
1135 #if !defined(__VISAGECPP__) && !defined(__WXMAC__) || defined(__UNIX__)
1136 // no chmod in VA. Should be some permission API for HPFS386 partitions
1137 // however
1138 if ( chmod(OS_FILENAME(file2), fbuf.st_mode) != 0 )
1139 {
1140 wxLogSysError(_("Impossible to set permissions for the file '%s'"),
1141 file2.c_str());
1142 return FALSE;
1143 }
1144 #endif // OS/2 || Mac
1145
1146 return TRUE;
1147 #endif // __WXMSW__ && __WIN32__
1148 }
1149
1150 bool
1151 wxRenameFile (const wxString& file1, const wxString& file2)
1152 {
1153 // Normal system call
1154 if ( wxRename (file1, file2) == 0 )
1155 return TRUE;
1156
1157 // Try to copy
1158 if (wxCopyFile(file1, file2)) {
1159 wxRemoveFile(file1);
1160 return TRUE;
1161 }
1162 // Give up
1163 return FALSE;
1164 }
1165
1166 bool wxRemoveFile(const wxString& file)
1167 {
1168 #if defined(__VISUALC__) \
1169 || defined(__BORLANDC__) \
1170 || defined(__WATCOMC__) \
1171 || defined(__GNUWIN32__)
1172 int res = wxRemove(file);
1173 #else
1174 int res = unlink(OS_FILENAME(file));
1175 #endif
1176
1177 return res == 0;
1178 }
1179
1180 bool wxMkdir(const wxString& dir, int perm)
1181 {
1182 #if defined(__WXMAC__) && !defined(__UNIX__)
1183 return (mkdir( dir , 0 ) == 0);
1184 #else // !Mac
1185 const wxChar *dirname = dir.c_str();
1186
1187 // assume mkdir() has 2 args on non Windows-OS/2 platforms and on Windows too
1188 // for the GNU compiler
1189 #if (!(defined(__WXMSW__) || defined(__WXPM__))) || (defined(__GNUWIN32__) && !defined(__MINGW32__)) || defined(__WXWINE__) || defined(__WXMICROWIN__)
1190 if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1191 #elif defined(__WXPM__)
1192 if (::DosCreateDir((PSZ)dirname, NULL) != 0) // enhance for EAB's??
1193 #else // !MSW and !OS/2 VAC++
1194 (void)perm;
1195 if ( wxMkDir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
1196 #endif // !MSW/MSW
1197 {
1198 wxLogSysError(_("Directory '%s' couldn't be created"), dirname);
1199
1200 return FALSE;
1201 }
1202
1203 return TRUE;
1204 #endif // Mac/!Mac
1205 }
1206
1207 bool wxRmdir(const wxString& dir, int WXUNUSED(flags))
1208 {
1209 #ifdef __VMS__
1210 return FALSE; //to be changed since rmdir exists in VMS7.x
1211 #elif defined(__WXPM__)
1212 return (::DosDeleteDir((PSZ)dir.c_str()) == 0);
1213 #else
1214
1215 #ifdef __SALFORDC__
1216 return FALSE; // What to do?
1217 #else
1218 return (wxRmDir(OS_FILENAME(dir)) == 0);
1219 #endif
1220
1221 #endif
1222 }
1223
1224 // does the path exists? (may have or not '/' or '\\' at the end)
1225 bool wxPathExists(const wxChar *pszPathName)
1226 {
1227 wxString strPath(pszPathName);
1228 #ifdef __WINDOWS__
1229 // Windows fails to find directory named "c:\dir\" even if "c:\dir" exists,
1230 // so remove all trailing backslashes from the path - but don't do this for
1231 // the pathes "d:\" (which are different from "d:") nor for just "\"
1232 while ( wxEndsWithPathSeparator(strPath) )
1233 {
1234 size_t len = strPath.length();
1235 if ( len == 1 || (len == 3 && strPath[len - 2] == _T(':')) )
1236 break;
1237
1238 strPath.Truncate(len - 1);
1239 }
1240 #endif // __WINDOWS__
1241
1242 #if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
1243 // Stat can't cope with network paths
1244 DWORD ret = GetFileAttributes(strPath.c_str());
1245 DWORD isDir = (ret & FILE_ATTRIBUTE_DIRECTORY);
1246 return ((ret != 0xffffffff) && (isDir != 0));
1247 #else
1248
1249 wxStructStat st;
1250 #ifndef __VISAGECPP__
1251 return wxStat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 &&
1252 ((st.st_mode & S_IFMT) == S_IFDIR);
1253 #else
1254 // S_IFMT not supported in VA compilers.. st_mode is a 2byte value only
1255 return wxStat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 &&
1256 (st.st_mode == S_IFDIR);
1257 #endif
1258
1259 #endif
1260 }
1261
1262 // Get a temporary filename, opening and closing the file.
1263 wxChar *wxGetTempFileName(const wxString& prefix, wxChar *buf)
1264 {
1265 wxString filename = wxFileName::CreateTempFileName(prefix);
1266 if ( filename.empty() )
1267 return NULL;
1268
1269 if ( buf )
1270 wxStrcpy(buf, filename);
1271 else
1272 buf = copystring(filename);
1273
1274 return buf;
1275 }
1276
1277 bool wxGetTempFileName(const wxString& prefix, wxString& buf)
1278 {
1279 buf = wxFileName::CreateTempFileName(prefix);
1280
1281 return !buf.empty();
1282 }
1283
1284 // Get first file name matching given wild card.
1285
1286 #if defined(__UNIX__)
1287
1288 // Get first file name matching given wild card.
1289 // Flags are reserved for future use.
1290
1291 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1292 static DIR *gs_dirStream = (DIR *) NULL;
1293 static wxString gs_strFileSpec;
1294 static int gs_findFlags = 0;
1295 #endif
1296
1297 wxString wxFindFirstFile(const wxChar *spec, int flags)
1298 {
1299 wxString result;
1300 #ifdef __VMS
1301 wxChar *specvms = NULL;
1302 #endif
1303
1304 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1305 if (gs_dirStream)
1306 closedir(gs_dirStream); // edz 941103: better housekeping
1307
1308 gs_findFlags = flags;
1309
1310 gs_strFileSpec = spec;
1311
1312 // Find path only so we can concatenate
1313 // found file onto path
1314 wxString path(wxPathOnly(gs_strFileSpec));
1315
1316 // special case: path is really "/"
1317 if ( !path && gs_strFileSpec[0u] == wxT('/') )
1318 #ifdef __VMS
1319 {
1320 wxStrcpy( specvms , wxT( "[000000]" ) );
1321 gs_strFileSpec = specvms;
1322 wxString path_vms(wxPathOnly(gs_strFileSpec));
1323 path = path_vms;
1324 }
1325 #else
1326 path = wxT('/');
1327 #endif
1328 // path is empty => Local directory
1329 if ( !path )
1330 #ifdef __VMS
1331 {
1332 wxStrcpy( specvms , wxT( "[]" ) );
1333 gs_strFileSpec = specvms;
1334 wxString path_vms1(wxPathOnly(gs_strFileSpec));
1335 path = path_vms1;
1336 }
1337 #else
1338 path = wxT('.');
1339 #endif
1340
1341 gs_dirStream = opendir(path.fn_str());
1342 if ( !gs_dirStream )
1343 {
1344 wxLogSysError(_("Can not enumerate files in directory '%s'"),
1345 path.c_str());
1346 }
1347 else
1348 {
1349 result = wxFindNextFile();
1350 }
1351 #endif // !VMS6.x or earlier
1352
1353 return result;
1354 }
1355
1356 wxString wxFindNextFile()
1357 {
1358 wxString result;
1359
1360 #if !defined( __VMS__ ) || ( __VMS_VER >= 70000000 )
1361 wxCHECK_MSG( gs_dirStream, result, wxT("must call wxFindFirstFile first") );
1362
1363 // Find path only so we can concatenate
1364 // found file onto path
1365 wxString path(wxPathOnly(gs_strFileSpec));
1366 wxString name(wxFileNameFromPath(gs_strFileSpec));
1367
1368 /* MATTHEW: special case: path is really "/" */
1369 if ( !path && gs_strFileSpec[0u] == wxT('/'))
1370 path = wxT('/');
1371
1372 // Do the reading
1373 struct dirent *nextDir;
1374 for ( nextDir = readdir(gs_dirStream);
1375 nextDir != NULL;
1376 nextDir = readdir(gs_dirStream) )
1377 {
1378 if (wxMatchWild(name, nextDir->d_name, FALSE) && // RR: added FALSE to find hidden files
1379 strcmp(nextDir->d_name, ".") &&
1380 strcmp(nextDir->d_name, "..") )
1381 {
1382 result.Empty();
1383 if ( !path.IsEmpty() )
1384 {
1385 result = path;
1386 if ( path != wxT('/') )
1387 result += wxT('/');
1388 }
1389
1390 result += nextDir->d_name;
1391
1392 // Only return "." and ".." when they match
1393 bool isdir;
1394 if ( (strcmp(nextDir->d_name, ".") == 0) ||
1395 (strcmp(nextDir->d_name, "..") == 0))
1396 {
1397 if ( (gs_findFlags & wxDIR) != 0 )
1398 isdir = TRUE;
1399 else
1400 continue;
1401 }
1402 else
1403 isdir = wxDirExists(result);
1404
1405 // and only return directories when flags & wxDIR
1406 if ( !gs_findFlags ||
1407 ((gs_findFlags & wxDIR) && isdir) ||
1408 ((gs_findFlags & wxFILE) && !isdir) )
1409 {
1410 return result;
1411 }
1412 }
1413 }
1414
1415 result.Empty(); // not found
1416
1417 closedir(gs_dirStream);
1418 gs_dirStream = (DIR *) NULL;
1419 #endif // !VMS6.2 or earlier
1420
1421 return result;
1422 }
1423
1424 #elif defined(__WXMAC__)
1425
1426 struct MacDirectoryIterator
1427 {
1428 CInfoPBRec m_CPB ;
1429 wxInt16 m_index ;
1430 long m_dirId ;
1431 Str255 m_name ;
1432 } ;
1433
1434 static int g_iter_flags ;
1435
1436 static MacDirectoryIterator g_iter ;
1437 wxString g_iter_spec ;
1438
1439 wxString wxFindFirstFile(const wxChar *spec, int flags)
1440 {
1441 wxString result;
1442
1443 g_iter_spec = spec ;
1444 g_iter_spec.MakeUpper() ;
1445 g_iter_flags = flags; /* MATTHEW: [5] Remember flags */
1446
1447 // Find path only so we can concatenate found file onto path
1448 wxString path(wxPathOnly(spec));
1449 FSSpec fsspec ;
1450
1451 wxMacFilename2FSSpec( path , &fsspec ) ;
1452 g_iter.m_CPB.hFileInfo.ioVRefNum = fsspec.vRefNum ;
1453 g_iter.m_CPB.hFileInfo.ioNamePtr = g_iter.m_name ;
1454 g_iter.m_index = 0 ;
1455
1456 Boolean isDir ;
1457 FSpGetDirectoryID( &fsspec , &g_iter.m_dirId , &isDir ) ;
1458 if ( !isDir )
1459 return wxEmptyString ;
1460
1461 return wxFindNextFile( ) ;
1462 }
1463
1464 wxString wxFindNextFile()
1465 {
1466 wxString result;
1467
1468 short err = noErr ;
1469 wxString name ;
1470
1471 while(1)
1472 {
1473 while ( err == noErr )
1474 {
1475 g_iter.m_index++ ;
1476 g_iter.m_CPB.dirInfo.ioFDirIndex = g_iter.m_index;
1477 g_iter.m_CPB.dirInfo.ioDrDirID = g_iter.m_dirId; /* we need to do this every time */
1478 err = PBGetCatInfoSync((CInfoPBPtr)&g_iter.m_CPB);
1479 if ( err != noErr )
1480 break ;
1481
1482 if ( ( g_iter.m_CPB.dirInfo.ioFlAttrib & ioDirMask) != 0 && (g_iter_flags & wxDIR) ) // we have a directory
1483 break ;
1484
1485 if ( ( g_iter.m_CPB.dirInfo.ioFlAttrib & ioDirMask) == 0 && !(g_iter_flags & wxFILE ) )
1486 continue ;
1487
1488 // hit !
1489 break ;
1490 }
1491 if ( err != noErr )
1492 {
1493 return wxEmptyString ;
1494 }
1495 FSSpec spec ;
1496
1497 FSMakeFSSpecCompat(g_iter.m_CPB.hFileInfo.ioVRefNum,
1498 g_iter.m_dirId,
1499 g_iter.m_name,
1500 &spec) ;
1501
1502 wxString name = wxMacFSSpec2MacFilename( &spec ) ;
1503 if ( g_iter_spec.Right(4)==(":*.*") || g_iter_spec.Right(2)==(":*") || name.Upper().Matches(g_iter_spec) )
1504 return name ;
1505 }
1506 return wxEmptyString ;
1507 }
1508
1509 #elif defined(__WXMSW__)
1510
1511 #ifdef __WIN32__
1512 static HANDLE gs_hFileStruct = INVALID_HANDLE_VALUE;
1513 static WIN32_FIND_DATA gs_findDataStruct;
1514 #else // Win16
1515 #ifdef __BORLANDC__
1516 static struct ffblk gs_findDataStruct;
1517 #else
1518 static struct _find_t gs_findDataStruct;
1519 #endif // Borland
1520 #endif // Win32/16
1521
1522 static wxString gs_strFileSpec;
1523 static int gs_findFlags = 0;
1524
1525 wxString wxFindFirstFile(const wxChar *spec, int flags)
1526 {
1527 wxString result;
1528
1529 gs_strFileSpec = spec;
1530 gs_findFlags = flags; /* MATTHEW: [5] Remember flags */
1531
1532 // Find path only so we can concatenate found file onto path
1533 wxString path(wxPathOnly(gs_strFileSpec));
1534 if ( !path.IsEmpty() )
1535 result << path << wxT('\\');
1536
1537 #ifdef __WIN32__
1538 if ( gs_hFileStruct != INVALID_HANDLE_VALUE )
1539 FindClose(gs_hFileStruct);
1540
1541 gs_hFileStruct = ::FindFirstFile(WXSTRINGCAST spec, &gs_findDataStruct);
1542
1543 if ( gs_hFileStruct == INVALID_HANDLE_VALUE )
1544 {
1545 result.Empty();
1546
1547 return result;
1548 }
1549
1550 bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1551
1552 if (isdir && !(flags & wxDIR))
1553 return wxFindNextFile();
1554 else if (!isdir && flags && !(flags & wxFILE))
1555 return wxFindNextFile();
1556
1557 result += gs_findDataStruct.cFileName;
1558
1559 return result;
1560 #else // !Win32
1561 int flag = _A_NORMAL;
1562 if (flags & wxDIR)
1563 flag = _A_SUBDIR;
1564
1565 #ifdef __BORLANDC__
1566 if (findfirst(WXSTRINGCAST spec, &gs_findDataStruct, flag) == 0)
1567 #else
1568 if (_dos_findfirst(WXSTRINGCAST spec, flag, &gs_findDataStruct) == 0)
1569 #endif
1570 {
1571 char attrib;
1572
1573 #ifdef __BORLANDC__
1574 attrib = gs_findDataStruct.ff_attrib;
1575 #else
1576 attrib = gs_findDataStruct.attrib;
1577 #endif
1578
1579 if (attrib & _A_SUBDIR) {
1580 if (!(gs_findFlags & wxDIR))
1581 return wxFindNextFile();
1582 } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1583 return wxFindNextFile();
1584
1585 result +=
1586 #ifdef __BORLANDC__
1587 gs_findDataStruct.ff_name
1588 #else
1589 gs_findDataStruct.name
1590 #endif
1591 ;
1592 }
1593
1594 return result;
1595 #endif // __WIN32__
1596 }
1597
1598
1599 wxString wxFindNextFile()
1600 {
1601 wxString result;
1602
1603 // Find path only so we can concatenate found file onto path
1604 wxString path(wxPathOnly(gs_strFileSpec));
1605
1606 try_again:
1607
1608 #ifdef __WIN32__
1609 if (gs_hFileStruct == INVALID_HANDLE_VALUE)
1610 return result;
1611
1612 bool success = (FindNextFile(gs_hFileStruct, &gs_findDataStruct) != 0);
1613 if (!success)
1614 {
1615 FindClose(gs_hFileStruct);
1616 gs_hFileStruct = INVALID_HANDLE_VALUE;
1617 }
1618 else
1619 {
1620 bool isdir = !!(gs_findDataStruct.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
1621
1622 if (isdir && !(gs_findFlags & wxDIR))
1623 goto try_again;
1624 else if (!isdir && gs_findFlags && !(gs_findFlags & wxFILE))
1625 goto try_again;
1626
1627 if ( !path.IsEmpty() )
1628 result << path << wxT('\\');
1629 result << gs_findDataStruct.cFileName;
1630 }
1631
1632 return result;
1633 #else // Win16
1634
1635 #ifdef __BORLANDC__
1636 if (findnext(&gs_findDataStruct) == 0)
1637 #else
1638 if (_dos_findnext(&gs_findDataStruct) == 0)
1639 #endif
1640 {
1641 /* MATTHEW: [5] Check directory flag */
1642 char attrib;
1643
1644 #ifdef __BORLANDC__
1645 attrib = gs_findDataStruct.ff_attrib;
1646 #else
1647 attrib = gs_findDataStruct.attrib;
1648 #endif
1649
1650 if (attrib & _A_SUBDIR) {
1651 if (!(gs_findFlags & wxDIR))
1652 goto try_again;
1653 } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1654 goto try_again;
1655
1656
1657 result +=
1658 #ifdef __BORLANDC__
1659 gs_findDataStruct.ff_name
1660 #else
1661 gs_findDataStruct.name
1662 #endif
1663 ;
1664 }
1665
1666 return result;
1667 #endif // Win32/16
1668 }
1669
1670 #elif defined(__WXPM__)
1671
1672 wxString wxFindFirstFile(const wxChar *spec, int flags)
1673 {
1674 wxString result;
1675
1676 /*
1677 // TODO: figure something out here for OS/2
1678 gs_strFileSpec = spec;
1679 gs_findFlags = flags;
1680
1681 // Find path only so we can concatenate found file onto path
1682 wxString path(wxPathOnly(gs_strFileSpec));
1683 if ( !path.IsEmpty() )
1684 result << path << wxT('\\');
1685
1686 int flag = _A_NORMAL;
1687 if (flags & wxDIR)
1688 flag = _A_SUBDIR;
1689
1690 if (_dos_findfirst(WXSTRINGCAST spec, flag, &gs_findDataStruct) == 0)
1691 {
1692 char attrib;
1693 attrib = gs_findDataStruct.attrib;
1694
1695 if (attrib & _A_SUBDIR) {
1696 if (!(gs_findFlags & wxDIR))
1697 return wxFindNextFile();
1698 } else if (gs_findFlags && !(gs_findFlags & wxFILE))
1699 return wxFindNextFile();
1700
1701 result += gs_findDataStruct.name;
1702 }
1703 */
1704 return result;
1705 }
1706
1707 wxString wxFindNextFile()
1708 {
1709 wxString result;
1710 // TODO:
1711 return result;
1712 }
1713
1714 #endif // Unix/Windows/OS/2
1715
1716 // Get current working directory.
1717 // If buf is NULL, allocates space using new, else
1718 // copies into buf.
1719 wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
1720 {
1721 if (!buf)
1722 buf = new wxChar[sz+1];
1723 #if wxUSE_UNICODE
1724 char *cbuf = new char[sz+1];
1725 #ifdef _MSC_VER
1726 if (_getcwd(cbuf, sz) == NULL) {
1727 #elif defined(__WXMAC__) && !defined(__DARWIN__)
1728 enum
1729 {
1730 SFSaveDisk = 0x214, CurDirStore = 0x398
1731 };
1732 FSSpec cwdSpec ;
1733
1734 FSMakeFSSpec( - *(short *) SFSaveDisk , *(long *) CurDirStore , NULL , &cwdSpec ) ;
1735 wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
1736 strcpy( buf , res ) ;
1737 if (0) {
1738 #else
1739 if (getcwd(cbuf, sz) == NULL) {
1740 #endif
1741 delete [] cbuf;
1742 #else // wxUnicode
1743 #ifdef _MSC_VER
1744 if (_getcwd(buf, sz) == NULL) {
1745 #elif defined(__WXMAC__) && !defined(__DARWIN__)
1746 FSSpec cwdSpec ;
1747 FCBPBRec pb;
1748 OSErr error;
1749 Str255 fileName ;
1750 pb.ioNamePtr = (StringPtr) &fileName;
1751 pb.ioVRefNum = 0;
1752 pb.ioRefNum = LMGetCurApRefNum();
1753 pb.ioFCBIndx = 0;
1754 error = PBGetFCBInfoSync(&pb);
1755 if ( error == noErr )
1756 {
1757 cwdSpec.vRefNum = pb.ioFCBVRefNum;
1758 cwdSpec.parID = pb.ioFCBParID;
1759 cwdSpec.name[0] = 0 ;
1760 wxString res = wxMacFSSpec2MacFilename( &cwdSpec ) ;
1761
1762 strcpy( buf , res ) ;
1763 buf[res.length()]=0 ;
1764 }
1765 else
1766 buf[0] = 0 ;
1767 /*
1768 this version will not always give back the application directory on mac
1769 enum
1770 {
1771 SFSaveDisk = 0x214, CurDirStore = 0x398
1772 };
1773 FSSpec cwdSpec ;
1774
1775 FSMakeFSSpec( - *(short *) SFSaveDisk , *(long *) CurDirStore , NULL , &cwdSpec ) ;
1776 wxString res = wxMacFSSpec2UnixFilename( &cwdSpec ) ;
1777 strcpy( buf , res ) ;
1778 */
1779 if (0) {
1780 #elif defined(__VISAGECPP__) || (defined (__OS2__) && defined (__WATCOMC__))
1781 APIRET rc;
1782 rc = ::DosQueryCurrentDir( 0 // current drive
1783 ,buf
1784 ,(PULONG)&sz
1785 );
1786 if (rc != 0) {
1787 #else
1788 if (getcwd(buf, sz) == NULL) {
1789 #endif
1790 #endif
1791 buf[0] = wxT('.');
1792 buf[1] = wxT('\0');
1793 }
1794 #if wxUSE_UNICODE
1795 else {
1796 wxConvFile.MB2WC(buf, cbuf, sz);
1797 delete [] cbuf;
1798 }
1799 #endif
1800 return buf;
1801 }
1802
1803 wxString wxGetCwd()
1804 {
1805 static const size_t maxPathLen = 1024;
1806
1807 wxString str;
1808 wxGetWorkingDirectory(str.GetWriteBuf(maxPathLen), maxPathLen);
1809 str.UngetWriteBuf();
1810
1811 return str;
1812 }
1813
1814 bool wxSetWorkingDirectory(const wxString& d)
1815 {
1816 #if defined( __UNIX__ ) || defined( __WXMAC__ )
1817 return (chdir(wxFNSTRINGCAST d.fn_str()) == 0);
1818 #elif defined(__WXPM__)
1819 return (::DosSetCurrentDir((PSZ)d.c_str()) == 0);
1820 #elif defined(__WINDOWS__)
1821
1822 #ifdef __WIN32__
1823 return (bool)(SetCurrentDirectory(d) != 0);
1824 #else
1825 // Must change drive, too.
1826 bool isDriveSpec = ((strlen(d) > 1) && (d[1] == ':'));
1827 if (isDriveSpec)
1828 {
1829 wxChar firstChar = d[0];
1830
1831 // To upper case
1832 if (firstChar > 90)
1833 firstChar = firstChar - 32;
1834
1835 // To a drive number
1836 unsigned int driveNo = firstChar - 64;
1837 if (driveNo > 0)
1838 {
1839 unsigned int noDrives;
1840 _dos_setdrive(driveNo, &noDrives);
1841 }
1842 }
1843 bool success = (chdir(WXSTRINGCAST d) == 0);
1844
1845 return success;
1846 #endif
1847
1848 #endif
1849 }
1850
1851 // Get the OS directory if appropriate (such as the Windows directory).
1852 // On non-Windows platform, probably just return the empty string.
1853 wxString wxGetOSDirectory()
1854 {
1855 #if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
1856 wxChar buf[256];
1857 GetWindowsDirectory(buf, 256);
1858 return wxString(buf);
1859 #else
1860 return wxEmptyString;
1861 #endif
1862 }
1863
1864 bool wxEndsWithPathSeparator(const wxChar *pszFileName)
1865 {
1866 size_t len = wxStrlen(pszFileName);
1867 if ( len == 0 )
1868 return FALSE;
1869 else
1870 return wxIsPathSeparator(pszFileName[len - 1]);
1871 }
1872
1873 // find a file in a list of directories, returns false if not found
1874 bool wxFindFileInPath(wxString *pStr, const wxChar *pszPath, const wxChar *pszFile)
1875 {
1876 // we assume that it's not empty
1877 wxCHECK_MSG( !wxIsEmpty(pszFile), FALSE,
1878 _T("empty file name in wxFindFileInPath"));
1879
1880 // skip path separator in the beginning of the file name if present
1881 if ( wxIsPathSeparator(*pszFile) )
1882 pszFile++;
1883
1884 // copy the path (strtok will modify it)
1885 wxChar *szPath = new wxChar[wxStrlen(pszPath) + 1];
1886 wxStrcpy(szPath, pszPath);
1887
1888 wxString strFile;
1889 wxChar *pc, *save_ptr;
1890 for ( pc = wxStrtok(szPath, wxPATH_SEP, &save_ptr);
1891 pc != NULL;
1892 pc = wxStrtok((wxChar *) NULL, wxPATH_SEP, &save_ptr) )
1893 {
1894 // search for the file in this directory
1895 strFile = pc;
1896 if ( !wxEndsWithPathSeparator(pc) )
1897 strFile += wxFILE_SEP_PATH;
1898 strFile += pszFile;
1899
1900 if ( FileExists(strFile) ) {
1901 *pStr = strFile;
1902 break;
1903 }
1904 }
1905
1906 // suppress warning about unused variable save_ptr when wxStrtok() is a
1907 // macro which throws away its third argument
1908 save_ptr = pc;
1909
1910 delete [] szPath;
1911
1912 return pc != NULL; // if true => we breaked from the loop
1913 }
1914
1915 void WXDLLEXPORT wxSplitPath(const wxChar *pszFileName,
1916 wxString *pstrPath,
1917 wxString *pstrName,
1918 wxString *pstrExt)
1919 {
1920 // it can be empty, but it shouldn't be NULL
1921 wxCHECK_RET( pszFileName, wxT("NULL file name in wxSplitPath") );
1922
1923 wxFileName::SplitPath(pszFileName, pstrPath, pstrName, pstrExt);
1924 }
1925
1926 time_t WXDLLEXPORT wxFileModificationTime(const wxString& filename)
1927 {
1928 wxStructStat buf;
1929
1930 wxStat(filename.fn_str(), &buf);
1931 return buf.st_mtime;
1932 }
1933
1934
1935 //------------------------------------------------------------------------
1936 // wild character routines
1937 //------------------------------------------------------------------------
1938
1939 bool wxIsWild( const wxString& pattern )
1940 {
1941 wxString tmp = pattern;
1942 wxChar *pat = WXSTRINGCAST(tmp);
1943 while (*pat) {
1944 switch (*pat++) {
1945 case wxT('?'): case wxT('*'): case wxT('['): case wxT('{'):
1946 return TRUE;
1947 case wxT('\\'):
1948 if (!*pat++)
1949 return FALSE;
1950 }
1951 }
1952 return FALSE;
1953 };
1954
1955 bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
1956
1957 #if defined(HAVE_FNMATCH_H)
1958 {
1959 // this probably won't work well for multibyte chars in Unicode mode?
1960 if(dot_special)
1961 return fnmatch(pat.fn_str(), text.fn_str(), FNM_PERIOD) == 0;
1962 else
1963 return fnmatch(pat.fn_str(), text.fn_str(), 0) == 0;
1964 }
1965 #else
1966
1967 // #pragma error Broken implementation of wxMatchWild() -- needs fixing!
1968
1969 /*
1970 * WARNING: this code is broken!
1971 */
1972 {
1973 wxString tmp1 = pat;
1974 wxChar *pattern = WXSTRINGCAST(tmp1);
1975 wxString tmp2 = text;
1976 wxChar *str = WXSTRINGCAST(tmp2);
1977 wxChar c;
1978 wxChar *cp;
1979 bool done = FALSE, ret_code, ok;
1980 // Below is for vi fans
1981 const wxChar OB = wxT('{'), CB = wxT('}');
1982
1983 // dot_special means '.' only matches '.'
1984 if (dot_special && *str == wxT('.') && *pattern != *str)
1985 return FALSE;
1986
1987 while ((*pattern != wxT('\0')) && (!done)
1988 && (((*str==wxT('\0'))&&((*pattern==OB)||(*pattern==wxT('*'))))||(*str!=wxT('\0')))) {
1989 switch (*pattern) {
1990 case wxT('\\'):
1991 pattern++;
1992 if (*pattern != wxT('\0'))
1993 pattern++;
1994 break;
1995 case wxT('*'):
1996 pattern++;
1997 ret_code = FALSE;
1998 while ((*str!=wxT('\0'))
1999 && ((ret_code=wxMatchWild(pattern, str++, FALSE)) == 0))
2000 /*loop*/;
2001 if (ret_code) {
2002 while (*str != wxT('\0'))
2003 str++;
2004 while (*pattern != wxT('\0'))
2005 pattern++;
2006 }
2007 break;
2008 case wxT('['):
2009 pattern++;
2010 repeat:
2011 if ((*pattern == wxT('\0')) || (*pattern == wxT(']'))) {
2012 done = TRUE;
2013 break;
2014 }
2015 if (*pattern == wxT('\\')) {
2016 pattern++;
2017 if (*pattern == wxT('\0')) {
2018 done = TRUE;
2019 break;
2020 }
2021 }
2022 if (*(pattern + 1) == wxT('-')) {
2023 c = *pattern;
2024 pattern += 2;
2025 if (*pattern == wxT(']')) {
2026 done = TRUE;
2027 break;
2028 }
2029 if (*pattern == wxT('\\')) {
2030 pattern++;
2031 if (*pattern == wxT('\0')) {
2032 done = TRUE;
2033 break;
2034 }
2035 }
2036 if ((*str < c) || (*str > *pattern)) {
2037 pattern++;
2038 goto repeat;
2039 }
2040 } else if (*pattern != *str) {
2041 pattern++;
2042 goto repeat;
2043 }
2044 pattern++;
2045 while ((*pattern != wxT(']')) && (*pattern != wxT('\0'))) {
2046 if ((*pattern == wxT('\\')) && (*(pattern + 1) != wxT('\0')))
2047 pattern++;
2048 pattern++;
2049 }
2050 if (*pattern != wxT('\0')) {
2051 pattern++, str++;
2052 }
2053 break;
2054 case wxT('?'):
2055 pattern++;
2056 str++;
2057 break;
2058 case OB:
2059 pattern++;
2060 while ((*pattern != CB) && (*pattern != wxT('\0'))) {
2061 cp = str;
2062 ok = TRUE;
2063 while (ok && (*cp != wxT('\0')) && (*pattern != wxT('\0'))
2064 && (*pattern != wxT(',')) && (*pattern != CB)) {
2065 if (*pattern == wxT('\\'))
2066 pattern++;
2067 ok = (*pattern++ == *cp++);
2068 }
2069 if (*pattern == wxT('\0')) {
2070 ok = FALSE;
2071 done = TRUE;
2072 break;
2073 } else if (ok) {
2074 str = cp;
2075 while ((*pattern != CB) && (*pattern != wxT('\0'))) {
2076 if (*++pattern == wxT('\\')) {
2077 if (*++pattern == CB)
2078 pattern++;
2079 }
2080 }
2081 } else {
2082 while (*pattern!=CB && *pattern!=wxT(',') && *pattern!=wxT('\0')) {
2083 if (*++pattern == wxT('\\')) {
2084 if (*++pattern == CB || *pattern == wxT(','))
2085 pattern++;
2086 }
2087 }
2088 }
2089 if (*pattern != wxT('\0'))
2090 pattern++;
2091 }
2092 break;
2093 default:
2094 if (*str == *pattern) {
2095 str++, pattern++;
2096 } else {
2097 done = TRUE;
2098 }
2099 }
2100 }
2101 while (*pattern == wxT('*'))
2102 pattern++;
2103 return ((*str == wxT('\0')) && (*pattern == wxT('\0')));
2104 };
2105
2106 #endif
2107
2108 #ifdef __VISUALC__
2109 #pragma warning(default:4706) // assignment within conditional expression
2110 #endif // VC++
wxWidgets (Impactor)