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Added some notes on the Nano-X port.
[wxWidgets.git] / src / common / filefn.cpp
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1/////////////////////////////////////////////////////////////////////////////
2// Name: filefn.cpp
3// Purpose: File- and directory-related functions
4// Author: Julian Smart
5// Modified by:
6// Created: 29/01/98
7// RCS-ID: $Id$
8// Copyright: (c) 1998 Julian Smart
9// Licence: wxWindows license
10/////////////////////////////////////////////////////////////////////////////
11
12// ============================================================================
13// declarations
14// ============================================================================
15
16// ----------------------------------------------------------------------------
17// headers
18// ----------------------------------------------------------------------------
19
20#ifdef __GNUG__
21 #pragma implementation "filefn.h"
22#endif
23
24// For compilers that support precompilation, includes "wx.h".
25#include "wx/wxprec.h"
26#include "wx/defs.h"
27
28#ifdef __BORLANDC__
29 #pragma hdrstop
30#endif
31
32#include "wx/utils.h"
33#include "wx/intl.h"
34#include "wx/file.h"
35#include "wx/filename.h"
36#include "wx/dir.h"
37
38// there are just too many of those...
39#ifdef __VISUALC__
40 #pragma warning(disable:4706) // assignment within conditional expression
41#endif // VC++
42
43#include <ctype.h>
44#include <stdio.h>
45#include <stdlib.h>
46#include <string.h>
47#if !defined(__WATCOMC__)
48 #if !(defined(_MSC_VER) && (_MSC_VER > 800))
49 #include <errno.h>
50 #endif
51#endif
52
53#if defined(__WXMAC__)
54 #include "wx/mac/private.h" // includes mac headers
55#endif
56
57#include <time.h>
58
59#ifndef __MWERKS__
60 #include <sys/types.h>
61 #include <sys/stat.h>
62#else
63 #include <stat.h>
64 #include <unistd.h>
65 #include <unix.h>
66#endif
67
68#ifdef __UNIX__
69 #include <unistd.h>
70 #include <dirent.h>
71#endif
72
73#ifdef __WXPM__
74 #include <process.h>
75 #include "wx/os2/private.h"
76#endif
77#if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
78#if !defined( __GNUWIN32__ ) && !defined( __MWERKS__ ) && !defined(__SALFORDC__)
79 #include <direct.h>
80 #include <dos.h>
81 #include <io.h>
82#endif // __WINDOWS__
83#endif // native Win compiler
84
85#if defined(__DOS__)
86 #ifdef __WATCOMC__
87 #include <direct.h>
88 #include <dos.h>
89 #include <io.h>
90 #endif
91 #ifdef __DJGPP__
92 #include <unistd.h>
93 #endif
94#endif
95
96#ifdef __BORLANDC__ // Please someone tell me which version of Borland needs
97 // this (3.1 I believe) and how to test for it.
98 // If this works for Borland 4.0 as well, then no worries.
99 #include <dir.h>
100#endif
101
102#ifdef __SALFORDC__
103 #include <dir.h>
104 #include <unix.h>
105#endif
106
107#include "wx/setup.h"
108#include "wx/log.h"
109
110// No, Cygwin doesn't appear to have fnmatch.h after all.
111#if defined(HAVE_FNMATCH_H)
112 #include "fnmatch.h"
113#endif
114
115#ifdef __WINDOWS__
116 #include <windows.h>
117 #include "wx/msw/mslu.h"
118
119 // sys/cygwin.h is needed for cygwin_conv_to_full_win32_path()
120 //
121 // note that it must be included after <windows.h>
122 #ifdef __GNUWIN32__
123 #ifdef __CYGWIN__
124 #include <sys/cygwin.h>
125 #endif
126 #include <wchar.h>
127 #ifndef __TWIN32__
128 #include <sys/unistd.h>
129 #endif
130 #endif // __GNUWIN32__
131#endif // __WINDOWS__
132
133// TODO: Borland probably has _wgetcwd as well?
134#ifdef _MSC_VER
135 #define HAVE_WGETCWD
136#endif
137
138// ----------------------------------------------------------------------------
139// constants
140// ----------------------------------------------------------------------------
141
142#ifndef _MAXPATHLEN
143 #define _MAXPATHLEN 1024
144#endif
145
146#ifdef __WXMAC__
147# include "MoreFiles.h"
148# include "MoreFilesExtras.h"
149# include "FullPath.h"
150# include "FSpCompat.h"
151#endif
152
153IMPLEMENT_DYNAMIC_CLASS(wxPathList, wxStringList)
154
155// ----------------------------------------------------------------------------
156// private globals
157// ----------------------------------------------------------------------------
158
159static wxChar wxFileFunctionsBuffer[4*_MAXPATHLEN];
160
161#if defined(__VISAGECPP__) && __IBMCPP__ >= 400
162//
163// VisualAge C++ V4.0 cannot have any external linkage const decs
164// in headers included by more than one primary source
165//
166const off_t wxInvalidOffset = (off_t)-1;
167#endif
168
169// ----------------------------------------------------------------------------
170// macros
171// ----------------------------------------------------------------------------
172
173// we need to translate Mac filenames before passing them to OS functions
174#define OS_FILENAME(s) (s.fn_str())
175
176// ============================================================================
177// implementation
178// ============================================================================
179
180void wxPathList::Add (const wxString& path)
181{
182 wxStringList::Add (WXSTRINGCAST path);
183}
184
185// Add paths e.g. from the PATH environment variable
186void wxPathList::AddEnvList (const wxString& envVariable)
187{
188 static const wxChar PATH_TOKS[] =
189#ifdef __WINDOWS__
190 wxT(" ;"); // Don't seperate with colon in DOS (used for drive)
191#else
192 wxT(" :;");
193#endif
194
195 wxChar *val = wxGetenv (WXSTRINGCAST envVariable);
196 if (val && *val)
197 {
198 wxChar *s = copystring (val);
199 wxChar *save_ptr, *token = wxStrtok (s, PATH_TOKS, &save_ptr);
200
201 if (token)
202 {
203 Add (copystring (token));
204 while (token)
205 {
206 if ((token = wxStrtok ((wxChar *) NULL, PATH_TOKS, &save_ptr)) != NULL)
207 Add (wxString(token));
208 }
209 }
210
211 // suppress warning about unused variable save_ptr when wxStrtok() is a
212 // macro which throws away its third argument
213 save_ptr = token;
214
215 delete [] s;
216 }
217}
218
219// Given a full filename (with path), ensure that that file can
220// be accessed again USING FILENAME ONLY by adding the path
221// to the list if not already there.
222void wxPathList::EnsureFileAccessible (const wxString& path)
223{
224 wxString path_only(wxPathOnly(path));
225 if ( !path_only.IsEmpty() )
226 {
227 if ( !Member(path_only) )
228 Add(path_only);
229 }
230}
231
232bool wxPathList::Member (const wxString& path)
233{
234 for (wxNode * node = First (); node != NULL; node = node->Next ())
235 {
236 wxString path2((wxChar *) node->Data ());
237 if (
238#if defined(__WINDOWS__) || defined(__VMS__) || defined (__WXMAC__)
239 // Case INDEPENDENT
240 path.CompareTo (path2, wxString::ignoreCase) == 0
241#else
242 // Case sensitive File System
243 path.CompareTo (path2) == 0
244#endif
245 )
246 return TRUE;
247 }
248 return FALSE;
249}
250
251wxString wxPathList::FindValidPath (const wxString& file)
252{
253 if (wxFileExists (wxExpandPath(wxFileFunctionsBuffer, file)))
254 return wxString(wxFileFunctionsBuffer);
255
256 wxChar buf[_MAXPATHLEN];
257 wxStrcpy(buf, wxFileFunctionsBuffer);
258
259 wxChar *filename = (wxChar*) NULL; /* shut up buggy egcs warning */
260 filename = IsAbsolutePath (buf) ? wxFileNameFromPath (buf) : (wxChar *)buf;
261
262 for (wxNode * node = First (); node; node = node->Next ())
263 {
264 wxChar *path = (wxChar *) node->Data ();
265 wxStrcpy (wxFileFunctionsBuffer, path);
266 wxChar ch = wxFileFunctionsBuffer[wxStrlen(wxFileFunctionsBuffer)-1];
267 if (ch != wxT('\\') && ch != wxT('/'))
268 wxStrcat (wxFileFunctionsBuffer, wxT("/"));
269 wxStrcat (wxFileFunctionsBuffer, filename);
270#ifdef __WINDOWS__
271 Unix2DosFilename (wxFileFunctionsBuffer);
272#endif
273 if (wxFileExists (wxFileFunctionsBuffer))
274 {
275 return wxString(wxFileFunctionsBuffer); // Found!
276 }
277 } // for()
278
279 return wxString(wxT("")); // Not found
280}
281
282wxString wxPathList::FindAbsoluteValidPath (const wxString& file)
283{
284 wxString f = FindValidPath(file);
285 if ( wxIsAbsolutePath(f) )
286 return f;
287
288 wxString buf;
289 wxGetWorkingDirectory(wxStringBuffer(buf, _MAXPATHLEN), _MAXPATHLEN);
290
291 if ( !wxEndsWithPathSeparator(buf) )
292 {
293 buf += wxFILE_SEP_PATH;
294 }
295 buf += f;
296
297 return buf;
298}
299
300bool
301wxFileExists (const wxString& filename)
302{
303#if defined(__WIN32__) && !defined(__WXMICROWIN__)
304 // GetFileAttributes can copy with network paths unlike stat()
305 DWORD ret = ::GetFileAttributes(filename);
306
307 return (ret != (DWORD)-1) && !(ret & FILE_ATTRIBUTE_DIRECTORY);
308#else
309 wxStructStat stbuf;
310 if ( !filename.empty() && wxStat (OS_FILENAME(filename), &stbuf) == 0 )
311 return TRUE;
312
313 return FALSE;
314#endif
315}
316
317bool
318wxIsAbsolutePath (const wxString& filename)
319{
320 if (filename != wxT(""))
321 {
322#if defined(__WXMAC__) && !defined(__DARWIN__)
323 // Classic or Carbon CodeWarrior like
324 // Carbon with Apple DevTools is Unix like
325
326 // This seems wrong to me, but there is no fix. since
327 // "MacOS:MyText.txt" is absolute whereas "MyDir:MyText.txt"
328 // is not. Or maybe ":MyDir:MyText.txt" has to be used? RR.
329 if (filename.Find(':') != wxNOT_FOUND && filename[0] != ':')
330 return TRUE ;
331#else
332 // Unix like or Windows
333 if (filename[0] == wxT('/'))
334 return TRUE;
335#endif
336#ifdef __VMS__
337 if ((filename[0] == wxT('[') && filename[1] != wxT('.')))
338 return TRUE;
339#endif
340#ifdef __WINDOWS__
341 // MSDOS like
342 if (filename[0] == wxT('\\') || (wxIsalpha (filename[0]) && filename[1] == wxT(':')))
343 return TRUE;
344#endif
345 }
346 return FALSE ;
347}
348
349/*
350 * Strip off any extension (dot something) from end of file,
351 * IF one exists. Inserts zero into buffer.
352 *
353 */
354
355void wxStripExtension(wxChar *buffer)
356{
357 int len = wxStrlen(buffer);
358 int i = len-1;
359 while (i > 0)
360 {
361 if (buffer[i] == wxT('.'))
362 {
363 buffer[i] = 0;
364 break;
365 }
366 i --;
367 }
368}
369
370void wxStripExtension(wxString& buffer)
371{
372 size_t len = buffer.Length();
373 size_t i = len-1;
374 while (i > 0)
375 {
376 if (buffer.GetChar(i) == wxT('.'))
377 {
378 buffer = buffer.Left(i);
379 break;
380 }
381 i --;
382 }
383}
384
385// Destructive removal of /./ and /../ stuff
386wxChar *wxRealPath (wxChar *path)
387{
388#ifdef __WXMSW__
389 static const wxChar SEP = wxT('\\');
390 Unix2DosFilename(path);
391#else
392 static const wxChar SEP = wxT('/');
393#endif
394 if (path[0] && path[1]) {
395 /* MATTHEW: special case "/./x" */
396 wxChar *p;
397 if (path[2] == SEP && path[1] == wxT('.'))
398 p = &path[0];
399 else
400 p = &path[2];
401 for (; *p; p++)
402 {
403 if (*p == SEP)
404 {
405 if (p[1] == wxT('.') && p[2] == wxT('.') && (p[3] == SEP || p[3] == wxT('\0')))
406 {
407 wxChar *q;
408 for (q = p - 1; q >= path && *q != SEP; q--);
409 if (q[0] == SEP && (q[1] != wxT('.') || q[2] != wxT('.') || q[3] != SEP)
410 && (q - 1 <= path || q[-1] != SEP))
411 {
412 wxStrcpy (q, p + 3);
413 if (path[0] == wxT('\0'))
414 {
415 path[0] = SEP;
416 path[1] = wxT('\0');
417 }
418#ifdef __WXMSW__
419 /* Check that path[2] is NULL! */
420 else if (path[1] == wxT(':') && !path[2])
421 {
422 path[2] = SEP;
423 path[3] = wxT('\0');
424 }
425#endif
426 p = q - 1;
427 }
428 }
429 else if (p[1] == wxT('.') && (p[2] == SEP || p[2] == wxT('\0')))
430 wxStrcpy (p, p + 2);
431 }
432 }
433 }
434 return path;
435}
436
437// Must be destroyed
438wxChar *wxCopyAbsolutePath(const wxString& filename)
439{
440 if (filename == wxT(""))
441 return (wxChar *) NULL;
442
443 if (! IsAbsolutePath(wxExpandPath(wxFileFunctionsBuffer, filename))) {
444 wxChar buf[_MAXPATHLEN];
445 buf[0] = wxT('\0');
446 wxGetWorkingDirectory(buf, WXSIZEOF(buf));
447 wxChar ch = buf[wxStrlen(buf) - 1];
448#ifdef __WXMSW__
449 if (ch != wxT('\\') && ch != wxT('/'))
450 wxStrcat(buf, wxT("\\"));
451#else
452 if (ch != wxT('/'))
453 wxStrcat(buf, wxT("/"));
454#endif
455 wxStrcat(buf, wxFileFunctionsBuffer);
456 return copystring( wxRealPath(buf) );
457 }
458 return copystring( wxFileFunctionsBuffer );
459}
460
461/*-
462 Handles:
463 ~/ => home dir
464 ~user/ => user's home dir
465 If the environment variable a = "foo" and b = "bar" then:
466 Unix:
467 $a => foo
468 $a$b => foobar
469 $a.c => foo.c
470 xxx$a => xxxfoo
471 ${a}! => foo!
472 $(b)! => bar!
473 \$a => \$a
474 MSDOS:
475 $a ==> $a
476 $(a) ==> foo
477 $(a)$b ==> foo$b
478 $(a)$(b)==> foobar
479 test.$$ ==> test.$$
480 */
481
482/* input name in name, pathname output to buf. */
483
484wxChar *wxExpandPath(wxChar *buf, const wxChar *name)
485{
486 register wxChar *d, *s, *nm;
487 wxChar lnm[_MAXPATHLEN];
488 int q;
489
490 // Some compilers don't like this line.
491// const wxChar trimchars[] = wxT("\n \t");
492
493 wxChar trimchars[4];
494 trimchars[0] = wxT('\n');
495 trimchars[1] = wxT(' ');
496 trimchars[2] = wxT('\t');
497 trimchars[3] = 0;
498
499#ifdef __WXMSW__
500 const wxChar SEP = wxT('\\');
501#else
502 const wxChar SEP = wxT('/');
503#endif
504 buf[0] = wxT('\0');
505 if (name == NULL || *name == wxT('\0'))
506 return buf;
507 nm = copystring(name); // Make a scratch copy
508 wxChar *nm_tmp = nm;
509
510 /* Skip leading whitespace and cr */
511 while (wxStrchr((wxChar *)trimchars, *nm) != NULL)
512 nm++;
513 /* And strip off trailing whitespace and cr */
514 s = nm + (q = wxStrlen(nm)) - 1;
515 while (q-- && wxStrchr((wxChar *)trimchars, *s) != NULL)
516 *s = wxT('\0');
517
518 s = nm;
519 d = lnm;
520#ifdef __WXMSW__
521 q = FALSE;
522#else
523 q = nm[0] == wxT('\\') && nm[1] == wxT('~');
524#endif
525
526 /* Expand inline environment variables */
527#ifdef __VISAGECPP__
528 while (*d)
529 {
530 *d++ = *s;
531 if(*s == wxT('\\'))
532 {
533 *(d - 1) = *++s;
534 if (*d)
535 {
536 s++;
537 continue;
538 }
539 else
540 break;
541 }
542 else
543#else
544 while ((*d++ = *s) != 0) {
545# ifndef __WXMSW__
546 if (*s == wxT('\\')) {
547 if ((*(d - 1) = *++s)) {
548 s++;
549 continue;
550 } else
551 break;
552 } else
553# endif
554#endif
555#ifdef __WXMSW__
556 if (*s++ == wxT('$') && (*s == wxT('{') || *s == wxT(')')))
557#else
558 if (*s++ == wxT('$'))
559#endif
560 {
561 register wxChar *start = d;
562 register int braces = (*s == wxT('{') || *s == wxT('('));
563 register wxChar *value;
564 while ((*d++ = *s) != 0)
565 if (braces ? (*s == wxT('}') || *s == wxT(')')) : !(wxIsalnum(*s) || *s == wxT('_')) )
566 break;
567 else
568 s++;
569 *--d = 0;
570 value = wxGetenv(braces ? start + 1 : start);
571 if (value) {
572 for ((d = start - 1); (*d++ = *value++) != 0;);
573 d--;
574 if (braces && *s)
575 s++;
576 }
577 }
578 }
579
580 /* Expand ~ and ~user */
581 nm = lnm;
582 if (nm[0] == wxT('~') && !q)
583 {
584 /* prefix ~ */
585 if (nm[1] == SEP || nm[1] == 0)
586 { /* ~/filename */
587 // FIXME: wxGetUserHome could return temporary storage in Unicode mode
588 if ((s = WXSTRINGCAST wxGetUserHome(wxT(""))) != NULL) {
589 if (*++nm)
590 nm++;
591 }
592 } else
593 { /* ~user/filename */
594 register wxChar *nnm;
595 register wxChar *home;
596 for (s = nm; *s && *s != SEP; s++);
597 int was_sep; /* MATTHEW: Was there a separator, or NULL? */
598 was_sep = (*s == SEP);
599 nnm = *s ? s + 1 : s;
600 *s = 0;
601 // FIXME: wxGetUserHome could return temporary storage in Unicode mode
602 if ((home = WXSTRINGCAST wxGetUserHome(wxString(nm + 1))) == NULL) {
603 if (was_sep) /* replace only if it was there: */
604 *s = SEP;
605 s = NULL;
606 } else {
607 nm = nnm;
608 s = home;
609 }
610 }
611 }
612
613 d = buf;
614 if (s && *s) { /* MATTHEW: s could be NULL if user '~' didn't exist */
615 /* Copy home dir */
616 while (wxT('\0') != (*d++ = *s++))
617 /* loop */;
618 // Handle root home
619 if (d - 1 > buf && *(d - 2) != SEP)
620 *(d - 1) = SEP;
621 }
622 s = nm;
623 while ((*d++ = *s++) != 0);
624 delete[] nm_tmp; // clean up alloc
625 /* Now clean up the buffer */
626 return wxRealPath(buf);
627}
628
629/* Contract Paths to be build upon an environment variable
630 component:
631
632 example: "/usr/openwin/lib", OPENWINHOME --> ${OPENWINHOME}/lib
633
634 The call wxExpandPath can convert these back!
635 */
636wxChar *
637wxContractPath (const wxString& filename, const wxString& envname, const wxString& user)
638{
639 static wxChar dest[_MAXPATHLEN];
640
641 if (filename == wxT(""))
642 return (wxChar *) NULL;
643
644 wxStrcpy (dest, WXSTRINGCAST filename);
645#ifdef __WXMSW__
646 Unix2DosFilename(dest);
647#endif
648
649 // Handle environment
650 const wxChar *val = (const wxChar *) NULL;
651 wxChar *tcp = (wxChar *) NULL;
652 if (envname != WXSTRINGCAST NULL && (val = wxGetenv (WXSTRINGCAST envname)) != NULL &&
653 (tcp = wxStrstr (dest, val)) != NULL)
654 {
655 wxStrcpy (wxFileFunctionsBuffer, tcp + wxStrlen (val));
656 *tcp++ = wxT('$');
657 *tcp++ = wxT('{');
658 wxStrcpy (tcp, WXSTRINGCAST envname);
659 wxStrcat (tcp, wxT("}"));
660 wxStrcat (tcp, wxFileFunctionsBuffer);
661 }
662
663 // Handle User's home (ignore root homes!)
664 size_t len = 0;
665 if ((val = wxGetUserHome (user)) != NULL &&
666 (len = wxStrlen(val)) > 2 &&
667 wxStrncmp(dest, val, len) == 0)
668 {
669 wxStrcpy(wxFileFunctionsBuffer, wxT("~"));
670 if (user != wxT(""))
671 wxStrcat(wxFileFunctionsBuffer, (const wxChar*) user);
672#ifdef __WXMSW__
673// strcat(wxFileFunctionsBuffer, "\\");
674#else
675// strcat(wxFileFunctionsBuffer, "/");
676#endif
677 wxStrcat(wxFileFunctionsBuffer, dest + len);
678 wxStrcpy (dest, wxFileFunctionsBuffer);
679 }
680
681 return dest;
682}
683
684// Return just the filename, not the path
685// (basename)
686wxChar *wxFileNameFromPath (wxChar *path)
687{
688 if (path)
689 {
690 register wxChar *tcp;
691
692 tcp = path + wxStrlen (path);
693 while (--tcp >= path)
694 {
695#if defined(__WXMAC__) && !defined(__DARWIN__)
696 // Classic or Carbon CodeWarrior like
697 // Carbon with Apple DevTools is Unix like
698 if (*tcp == wxT(':'))
699 return tcp + 1;
700#else
701 // Unix like or Windows
702 if (*tcp == wxT('/') || *tcp == wxT('\\'))
703 return tcp + 1;
704#endif
705#ifdef __VMS__
706 if (*tcp == wxT(':') || *tcp == wxT(']'))
707 return tcp + 1;
708#endif
709 } /* while */
710#if defined(__WXMSW__) || defined(__WXPM__)
711 // MSDOS like
712 if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
713 return path + 2;
714#endif
715 }
716 return path;
717}
718
719wxString wxFileNameFromPath (const wxString& path1)
720{
721 if (path1 != wxT(""))
722 {
723 wxChar *path = WXSTRINGCAST path1 ;
724 register wxChar *tcp;
725
726 tcp = path + wxStrlen (path);
727 while (--tcp >= path)
728 {
729#if defined(__WXMAC__) && !defined(__DARWIN__)
730 // Classic or Carbon CodeWarrior like
731 // Carbon with Apple DevTools is Unix like
732 if (*tcp == wxT(':') )
733 return wxString(tcp + 1);
734#else
735 // Unix like or Windows
736 if (*tcp == wxT('/') || *tcp == wxT('\\'))
737 return wxString(tcp + 1);
738#endif
739#ifdef __VMS__
740 if (*tcp == wxT(':') || *tcp == wxT(']'))
741 return wxString(tcp + 1);
742#endif
743 } /* while */
744#if defined(__WXMSW__) || defined(__WXPM__)
745 // MSDOS like
746 if (wxIsalpha (*path) && *(path + 1) == wxT(':'))
747 return wxString(path + 2);
748#endif
749 }
750 // Yes, this should return the path, not an empty string, otherwise
751 // we get "thing.txt" -> "".
752 return path1;
753}
754
755// Return just the directory, or NULL if no directory
756wxChar *
757wxPathOnly (wxChar *path)
758{
759 if (path && *path)
760 {
761 static wxChar buf[_MAXPATHLEN];
762
763 // Local copy
764 wxStrcpy (buf, path);
765
766 int l = wxStrlen(path);
767 int i = l - 1;
768
769 // Search backward for a backward or forward slash
770 while (i > -1)
771 {
772#if defined(__WXMAC__) && !defined(__DARWIN__)
773 // Classic or Carbon CodeWarrior like
774 // Carbon with Apple DevTools is Unix like
775 if (path[i] == wxT(':') )
776 {
777 buf[i] = 0;
778 return buf;
779 }
780#else
781 // Unix like or Windows
782 if (path[i] == wxT('/') || path[i] == wxT('\\'))
783 {
784 buf[i] = 0;
785 return buf;
786 }
787#endif
788#ifdef __VMS__
789 if (path[i] == wxT(']'))
790 {
791 buf[i+1] = 0;
792 return buf;
793 }
794#endif
795 i --;
796 }
797
798#if defined(__WXMSW__) || defined(__WXPM__)
799 // Try Drive specifier
800 if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
801 {
802 // A:junk --> A:. (since A:.\junk Not A:\junk)
803 buf[2] = wxT('.');
804 buf[3] = wxT('\0');
805 return buf;
806 }
807#endif
808 }
809 return (wxChar *) NULL;
810}
811
812// Return just the directory, or NULL if no directory
813wxString wxPathOnly (const wxString& path)
814{
815 if (path != wxT(""))
816 {
817 wxChar buf[_MAXPATHLEN];
818
819 // Local copy
820 wxStrcpy (buf, WXSTRINGCAST path);
821
822 int l = path.Length();
823 int i = l - 1;
824
825 // Search backward for a backward or forward slash
826 while (i > -1)
827 {
828#if defined(__WXMAC__) && !defined(__DARWIN__)
829 // Classic or Carbon CodeWarrior like
830 // Carbon with Apple DevTools is Unix like
831 if (path[i] == wxT(':') )
832 {
833 buf[i] = 0;
834 return wxString(buf);
835 }
836#else
837 // Unix like or Windows
838 if (path[i] == wxT('/') || path[i] == wxT('\\'))
839 {
840 buf[i] = 0;
841 return wxString(buf);
842 }
843#endif
844#ifdef __VMS__
845 if (path[i] == wxT(']'))
846 {
847 buf[i+1] = 0;
848 return wxString(buf);
849 }
850#endif
851 i --;
852 }
853
854#if defined(__WXMSW__) || defined(__WXPM__)
855 // Try Drive specifier
856 if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
857 {
858 // A:junk --> A:. (since A:.\junk Not A:\junk)
859 buf[2] = wxT('.');
860 buf[3] = wxT('\0');
861 return wxString(buf);
862 }
863#endif
864 }
865 return wxString(wxT(""));
866}
867
868// Utility for converting delimiters in DOS filenames to UNIX style
869// and back again - or we get nasty problems with delimiters.
870// Also, convert to lower case, since case is significant in UNIX.
871
872#if defined(__WXMAC__)
873wxString wxMacFSSpec2MacFilename( const FSSpec *spec )
874{
875#ifdef __DARWIN__
876 FSRef theRef;
877 char thePath[FILENAME_MAX];
878
879 // convert the FSSpec to an FSRef
880 (void) FSpMakeFSRef( spec, &theRef );
881 // get the POSIX path associated with the FSRef
882 (void) FSRefMakePath( &theRef, (UInt8 *)thePath, sizeof(thePath) );
883
884 // create path string for return value
885 wxString result( thePath ) ;
886#else
887 Handle myPath ;
888 short length ;
889
890 // get length of path and allocate handle
891 FSpGetFullPath( spec , &length , &myPath ) ;
892 ::SetHandleSize( myPath , length + 1 ) ;
893 ::HLock( myPath ) ;
894 (*myPath)[length] = 0 ;
895 if ((length > 0) && ((*myPath)[length-1] == ':'))
896 (*myPath)[length-1] = 0 ;
897
898 // create path string for return value
899 wxString result( (char*) *myPath ) ;
900
901 // free allocated handle
902 ::HUnlock( myPath ) ;
903 ::DisposeHandle( myPath ) ;
904#endif
905
906 return result ;
907}
908
909void wxMacFilename2FSSpec( const char *path , FSSpec *spec )
910{
911#ifdef __DARWIN__
912 FSRef theRef;
913
914 // get the FSRef associated with the POSIX path
915 (void) FSPathMakeRef((const UInt8 *) path, &theRef, NULL);
916 // convert the FSRef to an FSSpec
917 (void) FSGetCatalogInfo(&theRef, kFSCatInfoNone, NULL, NULL, spec, NULL);
918#else
919 FSpLocationFromFullPath( strlen(path) , path , spec ) ;
920#endif
921}
922
923#ifndef __DARWIN__
924// Mac file names are POSIX (Unix style) under Darwin
925// therefore the conversion functions below are not needed
926
927static char sMacFileNameConversion[ 1000 ] ;
928
929wxString wxMac2UnixFilename (const char *str)
930{
931 char *s = sMacFileNameConversion ;
932 strcpy( s , str ) ;
933 if (s)
934 {
935 memmove( s+1 , s ,strlen( s ) + 1) ;
936 if ( *s == ':' )
937 *s = '.' ;
938 else
939 *s = '/' ;
940
941 while (*s)
942 {
943 if (*s == ':')
944 *s = '/';
945 else
946 *s = wxTolower(*s); // Case INDEPENDENT
947 s++;
948 }
949 }
950 return wxString(sMacFileNameConversion) ;
951}
952
953wxString wxUnix2MacFilename (const char *str)
954{
955 char *s = sMacFileNameConversion ;
956 strcpy( s , str ) ;
957 if (s)
958 {
959 if ( *s == '.' )
960 {
961 // relative path , since it goes on with slash which is translated to a :
962 memmove( s , s+1 ,strlen( s ) ) ;
963 }
964 else if ( *s == '/' )
965 {
966 // absolute path -> on mac just start with the drive name
967 memmove( s , s+1 ,strlen( s ) ) ;
968 }
969 else
970 {
971 wxASSERT_MSG( 1 , "unkown path beginning" ) ;
972 }
973 while (*s)
974 {
975 if (*s == '/' || *s == '\\')
976 {
977 // convert any back-directory situations
978 if ( *(s+1) == '.' && *(s+2) == '.' && ( (*(s+3) == '/' || *(s+3) == '\\') ) )
979 {
980 *s = ':';
981 memmove( s+1 , s+3 ,strlen( s+3 ) + 1 ) ;
982 }
983 else
984 *s = ':';
985 }
986 s++ ;
987 }
988 }
989 return wxString (sMacFileNameConversion) ;
990}
991
992wxString wxMacFSSpec2UnixFilename( const FSSpec *spec )
993{
994 return wxMac2UnixFilename( wxMacFSSpec2MacFilename( spec) ) ;
995}
996
997void wxUnixFilename2FSSpec( const char *path , FSSpec *spec )
998{
999 wxString var = wxUnix2MacFilename( path ) ;
1000 wxMacFilename2FSSpec( var , spec ) ;
1001}
1002#endif // ! __DARWIN__
1003
1004#endif // __WXMAC__
1005
1006void
1007wxDos2UnixFilename (char *s)
1008{
1009 if (s)
1010 while (*s)
1011 {
1012 if (*s == '\\')
1013 *s = '/';
1014#ifdef __WXMSW__
1015 else
1016 *s = wxTolower (*s); // Case INDEPENDENT
1017#endif
1018 s++;
1019 }
1020}
1021
1022void
1023#if defined(__WXMSW__) || defined(__WXPM__)
1024wxUnix2DosFilename (wxChar *s)
1025#else
1026wxUnix2DosFilename (wxChar *WXUNUSED(s) )
1027#endif
1028{
1029// Yes, I really mean this to happen under DOS only! JACS
1030#if defined(__WXMSW__) || defined(__WXPM__)
1031 if (s)
1032 while (*s)
1033 {
1034 if (*s == wxT('/'))
1035 *s = wxT('\\');
1036 s++;
1037 }
1038#endif
1039}
1040
1041// Concatenate two files to form third
1042bool
1043wxConcatFiles (const wxString& file1, const wxString& file2, const wxString& file3)
1044{
1045 wxString outfile;
1046 if ( !wxGetTempFileName("cat", outfile) )
1047 return FALSE;
1048
1049 FILE *fp1 = (FILE *) NULL;
1050 FILE *fp2 = (FILE *) NULL;
1051 FILE *fp3 = (FILE *) NULL;
1052 // Open the inputs and outputs
1053 if ((fp1 = wxFopen (OS_FILENAME( file1 ), wxT("rb"))) == NULL ||
1054 (fp2 = wxFopen (OS_FILENAME( file2 ), wxT("rb"))) == NULL ||
1055 (fp3 = wxFopen (OS_FILENAME( outfile ), wxT("wb"))) == NULL)
1056 {
1057 if (fp1)
1058 fclose (fp1);
1059 if (fp2)
1060 fclose (fp2);
1061 if (fp3)
1062 fclose (fp3);
1063 return FALSE;
1064 }
1065
1066 int ch;
1067 while ((ch = getc (fp1)) != EOF)
1068 (void) putc (ch, fp3);
1069 fclose (fp1);
1070
1071 while ((ch = getc (fp2)) != EOF)
1072 (void) putc (ch, fp3);
1073 fclose (fp2);
1074
1075 fclose (fp3);
1076 bool result = wxRenameFile(outfile, file3);
1077 return result;
1078}
1079
1080// Copy files
1081bool
1082wxCopyFile (const wxString& file1, const wxString& file2, bool overwrite)
1083{
1084#if defined(__WIN32__) && !defined(__WXMICROWIN__)
1085 // CopyFile() copies file attributes and modification time too, so use it
1086 // instead of our code if available
1087 //
1088 // NB: 3rd parameter is bFailIfExists i.e. the inverse of overwrite
1089 if ( !::CopyFile(file1, file2, !overwrite) )
1090 {
1091 wxLogSysError(_("Failed to copy the file '%s' to '%s'"),
1092 file1.c_str(), file2.c_str());
1093
1094 return FALSE;
1095 }
1096#elif defined(__WXPM__)
1097 if ( ::DosCopy(file2, file2, overwrite ? DCPY_EXISTING : 0) != 0 )
1098 return FALSE;
1099#else // !Win32
1100 wxStructStat fbuf;
1101
1102 // get permissions of file1
1103 if ( wxStat(OS_FILENAME(file1), &fbuf) != 0 )
1104 {
1105 // the file probably doesn't exist or we haven't the rights to read
1106 // from it anyhow
1107 wxLogSysError(_("Impossible to get permissions for file '%s'"),
1108 file1.c_str());
1109 return FALSE;
1110 }
1111
1112 // open file1 for reading
1113 wxFile fileIn(file1, wxFile::read);
1114 if ( !fileIn.IsOpened() )
1115 return FALSE;
1116
1117 // remove file2, if it exists. This is needed for creating
1118 // file2 with the correct permissions in the next step
1119 if ( wxFileExists(file2) && (!overwrite || !wxRemoveFile(file2)))
1120 {
1121 wxLogSysError(_("Impossible to overwrite the file '%s'"),
1122 file2.c_str());
1123 return FALSE;
1124 }
1125
1126#ifdef __UNIX__
1127 // reset the umask as we want to create the file with exactly the same
1128 // permissions as the original one
1129 mode_t oldUmask = umask( 0 );
1130#endif // __UNIX__
1131
1132 // create file2 with the same permissions than file1 and open it for
1133 // writing
1134 wxFile fileOut;
1135 if ( !fileOut.Create(file2, overwrite, fbuf.st_mode & 0777) )
1136 return FALSE;
1137
1138#ifdef __UNIX__
1139 /// restore the old umask
1140 umask(oldUmask);
1141#endif // __UNIX__
1142
1143 // copy contents of file1 to file2
1144 char buf[4096];
1145 size_t count;
1146 for ( ;; )
1147 {
1148 count = fileIn.Read(buf, WXSIZEOF(buf));
1149 if ( fileIn.Error() )
1150 return FALSE;
1151
1152 // end of file?
1153 if ( !count )
1154 break;
1155
1156 if ( fileOut.Write(buf, count) < count )
1157 return FALSE;
1158 }
1159
1160 // we can expect fileIn to be closed successfully, but we should ensure
1161 // that fileOut was closed as some write errors (disk full) might not be
1162 // detected before doing this
1163 if ( !fileIn.Close() || !fileOut.Close() )
1164 return FALSE;
1165
1166#if !defined(__VISAGECPP__) && !defined(__WXMAC__) || defined(__UNIX__)
1167 // no chmod in VA. Should be some permission API for HPFS386 partitions
1168 // however
1169 if ( chmod(OS_FILENAME(file2), fbuf.st_mode) != 0 )
1170 {
1171 wxLogSysError(_("Impossible to set permissions for the file '%s'"),
1172 file2.c_str());
1173 return FALSE;
1174 }
1175#endif // OS/2 || Mac
1176#endif // __WXMSW__ && __WIN32__
1177
1178 return TRUE;
1179}
1180
1181bool
1182wxRenameFile (const wxString& file1, const wxString& file2)
1183{
1184 // Normal system call
1185 if ( wxRename (file1, file2) == 0 )
1186 return TRUE;
1187
1188 // Try to copy
1189 if (wxCopyFile(file1, file2)) {
1190 wxRemoveFile(file1);
1191 return TRUE;
1192 }
1193 // Give up
1194 return FALSE;
1195}
1196
1197bool wxRemoveFile(const wxString& file)
1198{
1199#if defined(__VISUALC__) \
1200 || defined(__BORLANDC__) \
1201 || defined(__WATCOMC__) \
1202 || defined(__GNUWIN32__)
1203 int res = wxRemove(file);
1204#else
1205 int res = unlink(OS_FILENAME(file));
1206#endif
1207
1208 return res == 0;
1209}
1210
1211bool wxMkdir(const wxString& dir, int perm)
1212{
1213#if defined(__WXMAC__) && !defined(__UNIX__)
1214 return (mkdir( dir , 0 ) == 0);
1215#else // !Mac
1216 const wxChar *dirname = dir.c_str();
1217
1218 // assume mkdir() has 2 args on non Windows-OS/2 platforms and on Windows too
1219 // for the GNU compiler
1220#if (!(defined(__WXMSW__) || defined(__WXPM__) || defined(__DOS__))) || (defined(__GNUWIN32__) && !defined(__MINGW32__)) || defined(__WXWINE__) || defined(__WXMICROWIN__)
1221 if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1222#elif defined(__WXPM__)
1223 if (::DosCreateDir((PSZ)dirname, NULL) != 0) // enhance for EAB's??
1224#elif defined(__DOS__)
1225 #if defined(__WATCOMC__)
1226 (void)perm;
1227 if ( wxMkDir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
1228 #elif defined(__DJGPP__)
1229 if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1230 #else
1231 #error "Unsupported DOS compiler!"
1232 #endif
1233#else // !MSW, !DOS and !OS/2 VAC++
1234 (void)perm;
1235 if ( wxMkDir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
1236#endif // !MSW/MSW
1237 {
1238 wxLogSysError(_("Directory '%s' couldn't be created"), dirname);
1239
1240 return FALSE;
1241 }
1242
1243 return TRUE;
1244#endif // Mac/!Mac
1245}
1246
1247bool wxRmdir(const wxString& dir, int WXUNUSED(flags))
1248{
1249#ifdef __VMS__
1250 return FALSE; //to be changed since rmdir exists in VMS7.x
1251#elif defined(__WXPM__)
1252 return (::DosDeleteDir((PSZ)dir.c_str()) == 0);
1253#else
1254
1255#ifdef __SALFORDC__
1256 return FALSE; // What to do?
1257#else
1258 return (wxRmDir(OS_FILENAME(dir)) == 0);
1259#endif
1260
1261#endif
1262}
1263
1264// does the path exists? (may have or not '/' or '\\' at the end)
1265bool wxPathExists(const wxChar *pszPathName)
1266{
1267 wxString strPath(pszPathName);
1268
1269#ifdef __WINDOWS__
1270 // Windows fails to find directory named "c:\dir\" even if "c:\dir" exists,
1271 // so remove all trailing backslashes from the path - but don't do this for
1272 // the pathes "d:\" (which are different from "d:") nor for just "\"
1273 while ( wxEndsWithPathSeparator(strPath) )
1274 {
1275 size_t len = strPath.length();
1276 if ( len == 1 || (len == 3 && strPath[len - 2] == _T(':')) )
1277 break;
1278
1279 strPath.Truncate(len - 1);
1280 }
1281#endif // __WINDOWS__
1282
1283#if defined(__WIN32__) && !defined(__WXMICROWIN__)
1284 // stat() can't cope with network paths
1285 DWORD ret = ::GetFileAttributes(strPath);
1286
1287 return (ret != (DWORD)-1) && (ret & FILE_ATTRIBUTE_DIRECTORY);
1288#else // !__WIN32__
1289
1290 wxStructStat st;
1291#ifndef __VISAGECPP__
1292 return wxStat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 &&
1293 ((st.st_mode & S_IFMT) == S_IFDIR);
1294#else
1295 // S_IFMT not supported in VA compilers.. st_mode is a 2byte value only
1296 return wxStat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 &&
1297 (st.st_mode == S_IFDIR);
1298#endif
1299
1300#endif // __WIN32__/!__WIN32__
1301}
1302
1303// Get a temporary filename, opening and closing the file.
1304wxChar *wxGetTempFileName(const wxString& prefix, wxChar *buf)
1305{
1306 wxString filename = wxFileName::CreateTempFileName(prefix);
1307 if ( filename.empty() )
1308 return NULL;
1309
1310 if ( buf )
1311 wxStrcpy(buf, filename);
1312 else
1313 buf = copystring(filename);
1314
1315 return buf;
1316}
1317
1318bool wxGetTempFileName(const wxString& prefix, wxString& buf)
1319{
1320 buf = wxFileName::CreateTempFileName(prefix);
1321
1322 return !buf.empty();
1323}
1324
1325// Get first file name matching given wild card.
1326
1327static wxDir *gs_dir = NULL;
1328static wxString gs_dirPath;
1329
1330wxString wxFindFirstFile(const wxChar *spec, int flags)
1331{
1332 gs_dirPath = wxPathOnly(spec);
1333 if ( gs_dirPath.IsEmpty() )
1334 gs_dirPath = wxT(".");
1335 if ( gs_dirPath.Last() != wxFILE_SEP_PATH )
1336 gs_dirPath << wxFILE_SEP_PATH;
1337
1338 if (gs_dir)
1339 delete gs_dir;
1340 gs_dir = new wxDir(gs_dirPath);
1341
1342 if ( !gs_dir->IsOpened() )
1343 {
1344 wxLogSysError(_("Can not enumerate files '%s'"), spec);
1345 return wxEmptyString;
1346 }
1347
1348 int dirFlags = 0;
1349 switch (flags)
1350 {
1351 case wxDIR: dirFlags = wxDIR_DIRS; break;
1352 case wxFILE: dirFlags = wxDIR_FILES; break;
1353 default: dirFlags = wxDIR_DIRS | wxDIR_FILES; break;
1354 }
1355
1356 wxString result;
1357 gs_dir->GetFirst(&result, wxFileNameFromPath(spec), dirFlags);
1358 if ( result.IsEmpty() )
1359 {
1360 wxDELETE(gs_dir);
1361 return result;
1362 }
1363
1364 return gs_dirPath + result;
1365}
1366
1367wxString wxFindNextFile()
1368{
1369 wxASSERT_MSG( gs_dir, wxT("You must call wxFindFirstFile before!") );
1370
1371 wxString result;
1372 gs_dir->GetNext(&result);
1373
1374 if ( result.IsEmpty() )
1375 {
1376 wxDELETE(gs_dir);
1377 return result;
1378 }
1379
1380 return gs_dirPath + result;
1381}
1382
1383
1384// Get current working directory.
1385// If buf is NULL, allocates space using new, else
1386// copies into buf.
1387wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
1388{
1389 if ( !buf )
1390 {
1391 buf = new wxChar[sz + 1];
1392 }
1393
1394 bool ok = FALSE;
1395
1396 // for the compilers which have Unicode version of _getcwd(), call it
1397 // directly, for the others call the ANSI version and do the translation
1398#if !wxUSE_UNICODE
1399 #define cbuf buf
1400#else // wxUSE_UNICODE
1401 bool needsANSI = TRUE;
1402
1403 #if !defined(HAVE_WGETCWD) || wxUSE_UNICODE_MSLU
1404 wxCharBuffer c_buffer(sz);
1405 char *cbuf = (char*)(const char*)c_buffer;
1406 #endif
1407
1408 #ifdef HAVE_WGETCWD
1409 #if wxUSE_UNICODE_MSLU
1410 if ( wxGetOsVersion() != wxWIN95 )
1411 #endif
1412 {
1413 ok = _wgetcwd(buf, sz) != NULL;
1414 needsANSI = FALSE;
1415 }
1416 #endif
1417
1418 if ( needsANSI )
1419#endif // wxUSE_UNICODE
1420 {
1421 #ifdef _MSC_VER
1422 ok = _getcwd(cbuf, sz) != NULL;
1423 #elif defined(__WXMAC__) && !defined(__DARWIN__)
1424 FSSpec cwdSpec ;
1425 FCBPBRec pb;
1426 OSErr error;
1427 Str255 fileName ;
1428 pb.ioNamePtr = (StringPtr) &fileName;
1429 pb.ioVRefNum = 0;
1430 pb.ioRefNum = LMGetCurApRefNum();
1431 pb.ioFCBIndx = 0;
1432 error = PBGetFCBInfoSync(&pb);
1433 if ( error == noErr )
1434 {
1435 cwdSpec.vRefNum = pb.ioFCBVRefNum;
1436 cwdSpec.parID = pb.ioFCBParID;
1437 cwdSpec.name[0] = 0 ;
1438 wxString res = wxMacFSSpec2MacFilename( &cwdSpec ) ;
1439
1440 strcpy( cbuf , res ) ;
1441 cbuf[res.length()]=0 ;
1442
1443 ok = TRUE;
1444 }
1445 else
1446 {
1447 ok = FALSE;
1448 }
1449 #elif defined(__VISAGECPP__) || (defined (__OS2__) && defined (__WATCOMC__))
1450 APIRET rc;
1451 rc = ::DosQueryCurrentDir( 0 // current drive
1452 ,cbuf
1453 ,(PULONG)&sz
1454 );
1455 ok = rc != 0;
1456 #else // !Win32/VC++ !Mac !OS2
1457 ok = getcwd(cbuf, sz) != NULL;
1458 #endif // platform
1459 }
1460
1461 if ( !ok )
1462 {
1463 wxLogSysError(_("Failed to get the working directory"));
1464
1465 // VZ: the old code used to return "." on error which didn't make any
1466 // sense at all to me - empty string is a better error indicator
1467 // (NULL might be even better but I'm afraid this could lead to
1468 // problems with the old code assuming the return is never NULL)
1469 buf[0] = _T('\0');
1470 }
1471 else // ok, but we might need to massage the path into the right format
1472 {
1473#ifdef __DJGPP__
1474 // VS: DJGPP is a strange mix of DOS and UNIX API and returns paths
1475 // with / deliminers. We don't like that.
1476 for (wxChar *ch = buf; *ch; ch++)
1477 {
1478 if (*ch == wxT('/'))
1479 *ch = wxT('\\');
1480 }
1481#endif // __DJGPP__
1482
1483#ifdef __CYGWIN__
1484 // another example of DOS/Unix mix (Cygwin)
1485 wxString pathUnix = buf;
1486 cygwin_conv_to_full_win32_path(pathUnix, buf);
1487#endif // __CYGWIN__
1488
1489 // finally convert the result to Unicode if needed
1490#if wxUSE_UNICODE
1491 wxConvFile.MB2WC(buf, cbuf, sz);
1492#endif // wxUSE_UNICODE
1493 }
1494
1495 return buf;
1496
1497#if !wxUSE_UNICODE
1498 #undef cbuf
1499#endif
1500}
1501
1502wxString wxGetCwd()
1503{
1504 wxString str;
1505
1506 // we can't create wxStringBuffer object inline: Sun CC generates buggy
1507 // code in this case!
1508 {
1509 wxStringBuffer buf(str, _MAXPATHLEN);
1510 wxGetWorkingDirectory(buf, _MAXPATHLEN);
1511 }
1512
1513 return str;
1514}
1515
1516bool wxSetWorkingDirectory(const wxString& d)
1517{
1518#if defined(__UNIX__) || defined(__WXMAC__) || defined(__DOS__)
1519 return (chdir(wxFNSTRINGCAST d.fn_str()) == 0);
1520#elif defined(__WXPM__)
1521 return (::DosSetCurrentDir((PSZ)d.c_str()) == 0);
1522#elif defined(__WINDOWS__)
1523
1524#ifdef __WIN32__
1525 return (bool)(SetCurrentDirectory(d) != 0);
1526#else
1527 // Must change drive, too.
1528 bool isDriveSpec = ((strlen(d) > 1) && (d[1] == ':'));
1529 if (isDriveSpec)
1530 {
1531 wxChar firstChar = d[0];
1532
1533 // To upper case
1534 if (firstChar > 90)
1535 firstChar = firstChar - 32;
1536
1537 // To a drive number
1538 unsigned int driveNo = firstChar - 64;
1539 if (driveNo > 0)
1540 {
1541 unsigned int noDrives;
1542 _dos_setdrive(driveNo, &noDrives);
1543 }
1544 }
1545 bool success = (chdir(WXSTRINGCAST d) == 0);
1546
1547 return success;
1548#endif
1549
1550#endif
1551}
1552
1553// Get the OS directory if appropriate (such as the Windows directory).
1554// On non-Windows platform, probably just return the empty string.
1555wxString wxGetOSDirectory()
1556{
1557#if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
1558 wxChar buf[256];
1559 GetWindowsDirectory(buf, 256);
1560 return wxString(buf);
1561#else
1562 return wxEmptyString;
1563#endif
1564}
1565
1566bool wxEndsWithPathSeparator(const wxChar *pszFileName)
1567{
1568 size_t len = wxStrlen(pszFileName);
1569
1570 return len && wxIsPathSeparator(pszFileName[len - 1]);
1571}
1572
1573// find a file in a list of directories, returns false if not found
1574bool wxFindFileInPath(wxString *pStr, const wxChar *pszPath, const wxChar *pszFile)
1575{
1576 // we assume that it's not empty
1577 wxCHECK_MSG( !wxIsEmpty(pszFile), FALSE,
1578 _T("empty file name in wxFindFileInPath"));
1579
1580 // skip path separator in the beginning of the file name if present
1581 if ( wxIsPathSeparator(*pszFile) )
1582 pszFile++;
1583
1584 // copy the path (strtok will modify it)
1585 wxChar *szPath = new wxChar[wxStrlen(pszPath) + 1];
1586 wxStrcpy(szPath, pszPath);
1587
1588 wxString strFile;
1589 wxChar *pc, *save_ptr;
1590 for ( pc = wxStrtok(szPath, wxPATH_SEP, &save_ptr);
1591 pc != NULL;
1592 pc = wxStrtok((wxChar *) NULL, wxPATH_SEP, &save_ptr) )
1593 {
1594 // search for the file in this directory
1595 strFile = pc;
1596 if ( !wxEndsWithPathSeparator(pc) )
1597 strFile += wxFILE_SEP_PATH;
1598 strFile += pszFile;
1599
1600 if ( FileExists(strFile) ) {
1601 *pStr = strFile;
1602 break;
1603 }
1604 }
1605
1606 // suppress warning about unused variable save_ptr when wxStrtok() is a
1607 // macro which throws away its third argument
1608 save_ptr = pc;
1609
1610 delete [] szPath;
1611
1612 return pc != NULL; // if true => we breaked from the loop
1613}
1614
1615void WXDLLEXPORT wxSplitPath(const wxChar *pszFileName,
1616 wxString *pstrPath,
1617 wxString *pstrName,
1618 wxString *pstrExt)
1619{
1620 // it can be empty, but it shouldn't be NULL
1621 wxCHECK_RET( pszFileName, wxT("NULL file name in wxSplitPath") );
1622
1623 wxFileName::SplitPath(pszFileName, pstrPath, pstrName, pstrExt);
1624}
1625
1626time_t WXDLLEXPORT wxFileModificationTime(const wxString& filename)
1627{
1628 wxStructStat buf;
1629
1630 wxStat(filename.fn_str(), &buf);
1631 return buf.st_mtime;
1632}
1633
1634
1635//------------------------------------------------------------------------
1636// wild character routines
1637//------------------------------------------------------------------------
1638
1639bool wxIsWild( const wxString& pattern )
1640{
1641 wxString tmp = pattern;
1642 wxChar *pat = WXSTRINGCAST(tmp);
1643 while (*pat) {
1644 switch (*pat++) {
1645 case wxT('?'): case wxT('*'): case wxT('['): case wxT('{'):
1646 return TRUE;
1647 case wxT('\\'):
1648 if (!*pat++)
1649 return FALSE;
1650 }
1651 }
1652 return FALSE;
1653};
1654
1655bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
1656
1657#if defined(HAVE_FNMATCH_H)
1658{
1659// this probably won't work well for multibyte chars in Unicode mode?
1660 if(dot_special)
1661 return fnmatch(pat.fn_str(), text.fn_str(), FNM_PERIOD) == 0;
1662 else
1663 return fnmatch(pat.fn_str(), text.fn_str(), 0) == 0;
1664}
1665#else
1666
1667// #pragma error Broken implementation of wxMatchWild() -- needs fixing!
1668
1669 /*
1670 * WARNING: this code is broken!
1671 */
1672{
1673 wxString tmp1 = pat;
1674 wxChar *pattern = WXSTRINGCAST(tmp1);
1675 wxString tmp2 = text;
1676 wxChar *str = WXSTRINGCAST(tmp2);
1677 wxChar c;
1678 wxChar *cp;
1679 bool done = FALSE, ret_code, ok;
1680 // Below is for vi fans
1681 const wxChar OB = wxT('{'), CB = wxT('}');
1682
1683 // dot_special means '.' only matches '.'
1684 if (dot_special && *str == wxT('.') && *pattern != *str)
1685 return FALSE;
1686
1687 while ((*pattern != wxT('\0')) && (!done)
1688 && (((*str==wxT('\0'))&&((*pattern==OB)||(*pattern==wxT('*'))))||(*str!=wxT('\0')))) {
1689 switch (*pattern) {
1690 case wxT('\\'):
1691 pattern++;
1692 if (*pattern != wxT('\0'))
1693 pattern++;
1694 break;
1695 case wxT('*'):
1696 pattern++;
1697 ret_code = FALSE;
1698 while ((*str!=wxT('\0'))
1699 && ((ret_code=wxMatchWild(pattern, str++, FALSE)) == 0))
1700 /*loop*/;
1701 if (ret_code) {
1702 while (*str != wxT('\0'))
1703 str++;
1704 while (*pattern != wxT('\0'))
1705 pattern++;
1706 }
1707 break;
1708 case wxT('['):
1709 pattern++;
1710 repeat:
1711 if ((*pattern == wxT('\0')) || (*pattern == wxT(']'))) {
1712 done = TRUE;
1713 break;
1714 }
1715 if (*pattern == wxT('\\')) {
1716 pattern++;
1717 if (*pattern == wxT('\0')) {
1718 done = TRUE;
1719 break;
1720 }
1721 }
1722 if (*(pattern + 1) == wxT('-')) {
1723 c = *pattern;
1724 pattern += 2;
1725 if (*pattern == wxT(']')) {
1726 done = TRUE;
1727 break;
1728 }
1729 if (*pattern == wxT('\\')) {
1730 pattern++;
1731 if (*pattern == wxT('\0')) {
1732 done = TRUE;
1733 break;
1734 }
1735 }
1736 if ((*str < c) || (*str > *pattern)) {
1737 pattern++;
1738 goto repeat;
1739 }
1740 } else if (*pattern != *str) {
1741 pattern++;
1742 goto repeat;
1743 }
1744 pattern++;
1745 while ((*pattern != wxT(']')) && (*pattern != wxT('\0'))) {
1746 if ((*pattern == wxT('\\')) && (*(pattern + 1) != wxT('\0')))
1747 pattern++;
1748 pattern++;
1749 }
1750 if (*pattern != wxT('\0')) {
1751 pattern++, str++;
1752 }
1753 break;
1754 case wxT('?'):
1755 pattern++;
1756 str++;
1757 break;
1758 case OB:
1759 pattern++;
1760 while ((*pattern != CB) && (*pattern != wxT('\0'))) {
1761 cp = str;
1762 ok = TRUE;
1763 while (ok && (*cp != wxT('\0')) && (*pattern != wxT('\0'))
1764 && (*pattern != wxT(',')) && (*pattern != CB)) {
1765 if (*pattern == wxT('\\'))
1766 pattern++;
1767 ok = (*pattern++ == *cp++);
1768 }
1769 if (*pattern == wxT('\0')) {
1770 ok = FALSE;
1771 done = TRUE;
1772 break;
1773 } else if (ok) {
1774 str = cp;
1775 while ((*pattern != CB) && (*pattern != wxT('\0'))) {
1776 if (*++pattern == wxT('\\')) {
1777 if (*++pattern == CB)
1778 pattern++;
1779 }
1780 }
1781 } else {
1782 while (*pattern!=CB && *pattern!=wxT(',') && *pattern!=wxT('\0')) {
1783 if (*++pattern == wxT('\\')) {
1784 if (*++pattern == CB || *pattern == wxT(','))
1785 pattern++;
1786 }
1787 }
1788 }
1789 if (*pattern != wxT('\0'))
1790 pattern++;
1791 }
1792 break;
1793 default:
1794 if (*str == *pattern) {
1795 str++, pattern++;
1796 } else {
1797 done = TRUE;
1798 }
1799 }
1800 }
1801 while (*pattern == wxT('*'))
1802 pattern++;
1803 return ((*str == wxT('\0')) && (*pattern == wxT('\0')));
1804};
1805
1806#endif
1807
1808#ifdef __VISUALC__
1809 #pragma warning(default:4706) // assignment within conditional expression
1810#endif // VC++
wxWidgets (Impactor)