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use best size instead of hard coded 80*26 in SetSize(wxSIZE_AUTO)
[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 licence
10/////////////////////////////////////////////////////////////////////////////
11
12// ============================================================================
13// declarations
14// ============================================================================
15
16// ----------------------------------------------------------------------------
17// headers
18// ----------------------------------------------------------------------------
19
20#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
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#ifdef __WXWINCE__
58#include "wx/msw/wince/time.h"
59#include "wx/msw/private.h"
60#else
61#include <time.h>
62#endif
63
64#ifdef __WXWINCE__
65// Nothing
66#elif !defined(__MWERKS__)
67 #include <sys/types.h>
68 #include <sys/stat.h>
69#else
70#ifdef __MACH__
71#include <sys/types.h>
72#include <utime.h>
73#include <sys/stat.h>
74#include <unistd.h>
75#else
76 #include <stat.h>
77 #include <unistd.h>
78 #include <unix.h>
79 #include <fcntl.h>
80#endif
81#endif
82
83#ifdef __OS2__
84// need to check for __OS2__ first since currently both
85// __OS2__ and __UNIX__ are defined.
86 #include <process.h>
87 #include "wx/os2/private.h"
88#ifdef __EMX__
89 #include <unistd.h>
90#endif
91#elif defined(__UNIX__)
92 #include <unistd.h>
93 #include <dirent.h>
94 #include <fcntl.h>
95#endif
96
97#if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
98#if !defined( __GNUWIN32__ ) && !defined( __MWERKS__ ) && !defined(__SALFORDC__) && !defined(__WXWINCE__)
99 #include <direct.h>
100 #include <dos.h>
101 #include <io.h>
102#endif // __WINDOWS__
103#endif // native Win compiler
104
105#if defined(__DOS__)
106 #ifdef __WATCOMC__
107 #include <direct.h>
108 #include <dos.h>
109 #include <io.h>
110 #endif
111 #ifdef __DJGPP__
112 #include <unistd.h>
113 #endif
114#endif
115
116#ifdef __BORLANDC__ // Please someone tell me which version of Borland needs
117 // this (3.1 I believe) and how to test for it.
118 // If this works for Borland 4.0 as well, then no worries.
119 #include <dir.h>
120#endif
121
122#ifdef __SALFORDC__
123 #include <dir.h>
124 #include <unix.h>
125#endif
126
127#include "wx/log.h"
128
129// No, Cygwin doesn't appear to have fnmatch.h after all.
130#if defined(HAVE_FNMATCH_H)
131 #include "fnmatch.h"
132#endif
133
134#ifdef __WINDOWS__
135 #include "wx/msw/wrapwin.h"
136 #include "wx/msw/mslu.h"
137
138 // for _getcwd
139 #ifdef __MINGW32__
140 #include <io.h>
141 #endif
142
143 // sys/cygwin.h is needed for cygwin_conv_to_full_win32_path()
144 //
145 // note that it must be included after <windows.h>
146 #ifdef __GNUWIN32__
147 #ifdef __CYGWIN__
148 #include <sys/cygwin.h>
149 #endif
150 #endif // __GNUWIN32__
151#endif // __WINDOWS__
152
153// TODO: Borland probably has _wgetcwd as well?
154#ifdef _MSC_VER
155 #define HAVE_WGETCWD
156#endif
157
158// ----------------------------------------------------------------------------
159// constants
160// ----------------------------------------------------------------------------
161
162#ifndef _MAXPATHLEN
163 #define _MAXPATHLEN 1024
164#endif
165
166#ifdef __WXMAC__
167# ifdef __DARWIN__
168# include "MoreFilesX.h"
169# else
170# include "MoreFiles.h"
171# include "MoreFilesExtras.h"
172# include "FullPath.h"
173# include "FSpCompat.h"
174# endif
175#endif
176
177// ----------------------------------------------------------------------------
178// private globals
179// ----------------------------------------------------------------------------
180
181// MT-FIXME: get rid of this horror and all code using it
182static wxChar wxFileFunctionsBuffer[4*_MAXPATHLEN];
183
184#if defined(__VISAGECPP__) && __IBMCPP__ >= 400
185//
186// VisualAge C++ V4.0 cannot have any external linkage const decs
187// in headers included by more than one primary source
188//
189const off_t wxInvalidOffset = (off_t)-1;
190#endif
191
192// ----------------------------------------------------------------------------
193// macros
194// ----------------------------------------------------------------------------
195
196// we need to translate Mac filenames before passing them to OS functions
197#define OS_FILENAME(s) (s.fn_str())
198
199// ============================================================================
200// implementation
201// ============================================================================
202
203#ifdef wxNEED_WX_UNISTD_H
204
205WXDLLEXPORT int wxStat( const wxChar *file_name, wxStructStat *buf )
206{
207 return stat( wxConvFile.cWX2MB( file_name ), buf );
208}
209
210WXDLLEXPORT int wxAccess( const wxChar *pathname, int mode )
211{
212 return access( wxConvFile.cWX2MB( pathname ), mode );
213}
214
215WXDLLEXPORT int wxOpen( const wxChar *pathname, int flags, mode_t mode )
216{
217 return open( wxConvFile.cWX2MB( pathname ), flags, mode );
218}
219
220#endif
221 // wxNEED_WX_UNISTD_H
222
223// ----------------------------------------------------------------------------
224// wxPathList
225// ----------------------------------------------------------------------------
226
227// IMPLEMENT_DYNAMIC_CLASS(wxPathList, wxStringList)
228
229static inline wxChar* MYcopystring(const wxString& s)
230{
231 wxChar* copy = new wxChar[s.length() + 1];
232 return wxStrcpy(copy, s.c_str());
233}
234
235static inline wxChar* MYcopystring(const wxChar* s)
236{
237 wxChar* copy = new wxChar[wxStrlen(s) + 1];
238 return wxStrcpy(copy, s);
239}
240
241void wxPathList::Add (const wxString& path)
242{
243 wxStringList::Add (WXSTRINGCAST path);
244}
245
246// Add paths e.g. from the PATH environment variable
247void wxPathList::AddEnvList (const wxString& envVariable)
248{
249 // No environment variables on WinCE
250#ifndef __WXWINCE__
251 static const wxChar PATH_TOKS[] =
252#if defined(__WINDOWS__) || defined(__OS2__)
253 /*
254 The space has been removed from the tokenizers, otherwise a
255 path such as "C:\Program Files" would be split into 2 paths:
256 "C:\Program" and "Files"
257 */
258// wxT(" ;"); // Don't seperate with colon in DOS (used for drive)
259 wxT(";"); // Don't seperate with colon in DOS (used for drive)
260#else
261 wxT(" :;");
262#endif
263
264 wxChar *val = wxGetenv (WXSTRINGCAST envVariable);
265 if (val && *val)
266 {
267 wxChar *s = MYcopystring (val);
268 wxChar *save_ptr, *token = wxStrtok (s, PATH_TOKS, &save_ptr);
269
270 if (token)
271 {
272 Add(token);
273 while (token)
274 {
275 if ( (token = wxStrtok ((wxChar *) NULL, PATH_TOKS, &save_ptr))
276 != NULL )
277 {
278 Add(token);
279 }
280 }
281 }
282
283 // suppress warning about unused variable save_ptr when wxStrtok() is a
284 // macro which throws away its third argument
285 save_ptr = token;
286
287 delete [] s;
288 }
289#endif
290}
291
292// Given a full filename (with path), ensure that that file can
293// be accessed again USING FILENAME ONLY by adding the path
294// to the list if not already there.
295void wxPathList::EnsureFileAccessible (const wxString& path)
296{
297 wxString path_only(wxPathOnly(path));
298 if ( !path_only.IsEmpty() )
299 {
300 if ( !Member(path_only) )
301 Add(path_only);
302 }
303}
304
305bool wxPathList::Member (const wxString& path)
306{
307 for (wxStringList::compatibility_iterator node = GetFirst(); node; node = node->GetNext())
308 {
309 wxString path2( node->GetData() );
310 if (
311#if defined(__WINDOWS__) || defined(__OS2__) || defined(__VMS__) || defined (__WXMAC__)
312 // Case INDEPENDENT
313 path.CompareTo (path2, wxString::ignoreCase) == 0
314#else
315 // Case sensitive File System
316 path.CompareTo (path2) == 0
317#endif
318 )
319 return TRUE;
320 }
321 return FALSE;
322}
323
324wxString wxPathList::FindValidPath (const wxString& file)
325{
326 if (wxFileExists (wxExpandPath(wxFileFunctionsBuffer, file)))
327 return wxString(wxFileFunctionsBuffer);
328
329 wxChar buf[_MAXPATHLEN];
330 wxStrcpy(buf, wxFileFunctionsBuffer);
331
332 wxChar *filename = wxIsAbsolutePath (buf) ? wxFileNameFromPath (buf) : (wxChar *)buf;
333
334 for (wxStringList::compatibility_iterator node = GetFirst(); node; node = node->GetNext())
335 {
336 const wxChar *path = node->GetData();
337 wxStrcpy (wxFileFunctionsBuffer, path);
338 wxChar ch = wxFileFunctionsBuffer[wxStrlen(wxFileFunctionsBuffer)-1];
339 if (ch != wxT('\\') && ch != wxT('/'))
340 wxStrcat (wxFileFunctionsBuffer, wxT("/"));
341 wxStrcat (wxFileFunctionsBuffer, filename);
342#ifdef __WINDOWS__
343 wxUnix2DosFilename (wxFileFunctionsBuffer);
344#endif
345 if (wxFileExists (wxFileFunctionsBuffer))
346 {
347 return wxString(wxFileFunctionsBuffer); // Found!
348 }
349 } // for()
350
351 return wxEmptyString; // Not found
352}
353
354wxString wxPathList::FindAbsoluteValidPath (const wxString& file)
355{
356 wxString f = FindValidPath(file);
357 if ( wxIsAbsolutePath(f) )
358 return f;
359
360 wxString buf;
361 wxGetWorkingDirectory(wxStringBuffer(buf, _MAXPATHLEN), _MAXPATHLEN);
362
363 if ( !wxEndsWithPathSeparator(buf) )
364 {
365 buf += wxFILE_SEP_PATH;
366 }
367 buf += f;
368
369 return buf;
370}
371
372bool
373wxFileExists (const wxString& filename)
374{
375 // we must use GetFileAttributes() instead of the ANSI C functions because
376 // it can cope with network (UNC) paths unlike them
377#if defined(__WIN32__) && !defined(__WXMICROWIN__)
378 DWORD ret = ::GetFileAttributes(filename);
379
380 return (ret != (DWORD)-1) && !(ret & FILE_ATTRIBUTE_DIRECTORY);
381#else // !__WIN32__
382 wxStructStat st;
383 return wxStat(filename, &st) == 0 && (st.st_mode & S_IFREG);
384#endif // __WIN32__/!__WIN32__
385}
386
387bool
388wxIsAbsolutePath (const wxString& filename)
389{
390 if (filename != wxT(""))
391 {
392#if defined(__WXMAC__) && !defined(__DARWIN__)
393 // Classic or Carbon CodeWarrior like
394 // Carbon with Apple DevTools is Unix like
395
396 // This seems wrong to me, but there is no fix. since
397 // "MacOS:MyText.txt" is absolute whereas "MyDir:MyText.txt"
398 // is not. Or maybe ":MyDir:MyText.txt" has to be used? RR.
399 if (filename.Find(':') != wxNOT_FOUND && filename[0] != ':')
400 return TRUE ;
401#else
402 // Unix like or Windows
403 if (filename[0] == wxT('/'))
404 return TRUE;
405#endif
406#ifdef __VMS__
407 if ((filename[0] == wxT('[') && filename[1] != wxT('.')))
408 return TRUE;
409#endif
410#if defined(__WINDOWS__) || defined(__OS2__)
411 // MSDOS like
412 if (filename[0] == wxT('\\') || (wxIsalpha (filename[0]) && filename[1] == wxT(':')))
413 return TRUE;
414#endif
415 }
416 return FALSE ;
417}
418
419/*
420 * Strip off any extension (dot something) from end of file,
421 * IF one exists. Inserts zero into buffer.
422 *
423 */
424
425void wxStripExtension(wxChar *buffer)
426{
427 int len = wxStrlen(buffer);
428 int i = len-1;
429 while (i > 0)
430 {
431 if (buffer[i] == wxT('.'))
432 {
433 buffer[i] = 0;
434 break;
435 }
436 i --;
437 }
438}
439
440void wxStripExtension(wxString& buffer)
441{
442 size_t len = buffer.Length();
443 size_t i = len-1;
444 while (i > 0)
445 {
446 if (buffer.GetChar(i) == wxT('.'))
447 {
448 buffer = buffer.Left(i);
449 break;
450 }
451 i --;
452 }
453}
454
455// Destructive removal of /./ and /../ stuff
456wxChar *wxRealPath (wxChar *path)
457{
458#ifdef __WXMSW__
459 static const wxChar SEP = wxT('\\');
460 wxUnix2DosFilename(path);
461#else
462 static const wxChar SEP = wxT('/');
463#endif
464 if (path[0] && path[1]) {
465 /* MATTHEW: special case "/./x" */
466 wxChar *p;
467 if (path[2] == SEP && path[1] == wxT('.'))
468 p = &path[0];
469 else
470 p = &path[2];
471 for (; *p; p++)
472 {
473 if (*p == SEP)
474 {
475 if (p[1] == wxT('.') && p[2] == wxT('.') && (p[3] == SEP || p[3] == wxT('\0')))
476 {
477 wxChar *q;
478 for (q = p - 1; q >= path && *q != SEP; q--)
479 {
480 // Empty
481 }
482
483 if (q[0] == SEP && (q[1] != wxT('.') || q[2] != wxT('.') || q[3] != SEP)
484 && (q - 1 <= path || q[-1] != SEP))
485 {
486 wxStrcpy (q, p + 3);
487 if (path[0] == wxT('\0'))
488 {
489 path[0] = SEP;
490 path[1] = wxT('\0');
491 }
492#if defined(__WXMSW__) || defined(__OS2__)
493 /* Check that path[2] is NULL! */
494 else if (path[1] == wxT(':') && !path[2])
495 {
496 path[2] = SEP;
497 path[3] = wxT('\0');
498 }
499#endif
500 p = q - 1;
501 }
502 }
503 else if (p[1] == wxT('.') && (p[2] == SEP || p[2] == wxT('\0')))
504 wxStrcpy (p, p + 2);
505 }
506 }
507 }
508 return path;
509}
510
511// Must be destroyed
512wxChar *wxCopyAbsolutePath(const wxString& filename)
513{
514 if (filename == wxT(""))
515 return (wxChar *) NULL;
516
517 if (! wxIsAbsolutePath(wxExpandPath(wxFileFunctionsBuffer, filename))) {
518 wxChar buf[_MAXPATHLEN];
519 buf[0] = wxT('\0');
520 wxGetWorkingDirectory(buf, WXSIZEOF(buf));
521 wxChar ch = buf[wxStrlen(buf) - 1];
522#ifdef __WXMSW__
523 if (ch != wxT('\\') && ch != wxT('/'))
524 wxStrcat(buf, wxT("\\"));
525#else
526 if (ch != wxT('/'))
527 wxStrcat(buf, wxT("/"));
528#endif
529 wxStrcat(buf, wxFileFunctionsBuffer);
530 return MYcopystring( wxRealPath(buf) );
531 }
532 return MYcopystring( wxFileFunctionsBuffer );
533}
534
535/*-
536 Handles:
537 ~/ => home dir
538 ~user/ => user's home dir
539 If the environment variable a = "foo" and b = "bar" then:
540 Unix:
541 $a => foo
542 $a$b => foobar
543 $a.c => foo.c
544 xxx$a => xxxfoo
545 ${a}! => foo!
546 $(b)! => bar!
547 \$a => \$a
548 MSDOS:
549 $a ==> $a
550 $(a) ==> foo
551 $(a)$b ==> foo$b
552 $(a)$(b)==> foobar
553 test.$$ ==> test.$$
554 */
555
556/* input name in name, pathname output to buf. */
557
558wxChar *wxExpandPath(wxChar *buf, const wxChar *name)
559{
560 register wxChar *d, *s, *nm;
561 wxChar lnm[_MAXPATHLEN];
562 int q;
563
564 // Some compilers don't like this line.
565// const wxChar trimchars[] = wxT("\n \t");
566
567 wxChar trimchars[4];
568 trimchars[0] = wxT('\n');
569 trimchars[1] = wxT(' ');
570 trimchars[2] = wxT('\t');
571 trimchars[3] = 0;
572
573#ifdef __WXMSW__
574 const wxChar SEP = wxT('\\');
575#else
576 const wxChar SEP = wxT('/');
577#endif
578 buf[0] = wxT('\0');
579 if (name == NULL || *name == wxT('\0'))
580 return buf;
581 nm = MYcopystring(name); // Make a scratch copy
582 wxChar *nm_tmp = nm;
583
584 /* Skip leading whitespace and cr */
585 while (wxStrchr((wxChar *)trimchars, *nm) != NULL)
586 nm++;
587 /* And strip off trailing whitespace and cr */
588 s = nm + (q = wxStrlen(nm)) - 1;
589 while (q-- && wxStrchr((wxChar *)trimchars, *s) != NULL)
590 *s = wxT('\0');
591
592 s = nm;
593 d = lnm;
594#ifdef __WXMSW__
595 q = FALSE;
596#else
597 q = nm[0] == wxT('\\') && nm[1] == wxT('~');
598#endif
599
600 /* Expand inline environment variables */
601#ifdef __VISAGECPP__
602 while (*d)
603 {
604 *d++ = *s;
605 if(*s == wxT('\\'))
606 {
607 *(d - 1) = *++s;
608 if (*d)
609 {
610 s++;
611 continue;
612 }
613 else
614 break;
615 }
616 else
617#else
618 while ((*d++ = *s) != 0) {
619# ifndef __WXMSW__
620 if (*s == wxT('\\')) {
621 if ((*(d - 1) = *++s)) {
622 s++;
623 continue;
624 } else
625 break;
626 } else
627# endif
628#endif
629 // No env variables on WinCE
630#ifndef __WXWINCE__
631#ifdef __WXMSW__
632 if (*s++ == wxT('$') && (*s == wxT('{') || *s == wxT(')')))
633#else
634 if (*s++ == wxT('$'))
635#endif
636 {
637 register wxChar *start = d;
638 register int braces = (*s == wxT('{') || *s == wxT('('));
639 register wxChar *value;
640 while ((*d++ = *s) != 0)
641 if (braces ? (*s == wxT('}') || *s == wxT(')')) : !(wxIsalnum(*s) || *s == wxT('_')) )
642 break;
643 else
644 s++;
645 *--d = 0;
646 value = wxGetenv(braces ? start + 1 : start);
647 if (value) {
648 for ((d = start - 1); (*d++ = *value++) != 0;)
649 {
650 // Empty
651 }
652
653 d--;
654 if (braces && *s)
655 s++;
656 }
657 }
658#endif
659 // __WXWINCE__
660 }
661
662 /* Expand ~ and ~user */
663 nm = lnm;
664 if (nm[0] == wxT('~') && !q)
665 {
666 /* prefix ~ */
667 if (nm[1] == SEP || nm[1] == 0)
668 { /* ~/filename */
669 // FIXME: wxGetUserHome could return temporary storage in Unicode mode
670 if ((s = WXSTRINGCAST wxGetUserHome(wxT(""))) != NULL) {
671 if (*++nm)
672 nm++;
673 }
674 } else
675 { /* ~user/filename */
676 register wxChar *nnm;
677 register wxChar *home;
678 for (s = nm; *s && *s != SEP; s++)
679 {
680 // Empty
681 }
682 int was_sep; /* MATTHEW: Was there a separator, or NULL? */
683 was_sep = (*s == SEP);
684 nnm = *s ? s + 1 : s;
685 *s = 0;
686 // FIXME: wxGetUserHome could return temporary storage in Unicode mode
687 if ((home = WXSTRINGCAST wxGetUserHome(wxString(nm + 1))) == NULL) {
688 if (was_sep) /* replace only if it was there: */
689 *s = SEP;
690 s = NULL;
691 } else {
692 nm = nnm;
693 s = home;
694 }
695 }
696 }
697
698 d = buf;
699 if (s && *s) { /* MATTHEW: s could be NULL if user '~' didn't exist */
700 /* Copy home dir */
701 while (wxT('\0') != (*d++ = *s++))
702 /* loop */;
703 // Handle root home
704 if (d - 1 > buf && *(d - 2) != SEP)
705 *(d - 1) = SEP;
706 }
707 s = nm;
708 while ((*d++ = *s++) != 0)
709 {
710 // Empty
711 }
712 delete[] nm_tmp; // clean up alloc
713 /* Now clean up the buffer */
714 return wxRealPath(buf);
715}
716
717/* Contract Paths to be build upon an environment variable
718 component:
719
720 example: "/usr/openwin/lib", OPENWINHOME --> ${OPENWINHOME}/lib
721
722 The call wxExpandPath can convert these back!
723 */
724wxChar *
725wxContractPath (const wxString& filename, const wxString& envname, const wxString& user)
726{
727 static wxChar dest[_MAXPATHLEN];
728
729 if (filename == wxT(""))
730 return (wxChar *) NULL;
731
732 wxStrcpy (dest, WXSTRINGCAST filename);
733#ifdef __WXMSW__
734 wxUnix2DosFilename(dest);
735#endif
736
737 // Handle environment
738 const wxChar *val;
739#ifndef __WXWINCE__
740 wxChar *tcp;
741 if (envname != WXSTRINGCAST NULL && (val = wxGetenv (WXSTRINGCAST envname)) != NULL &&
742 (tcp = wxStrstr (dest, val)) != NULL)
743 {
744 wxStrcpy (wxFileFunctionsBuffer, tcp + wxStrlen (val));
745 *tcp++ = wxT('$');
746 *tcp++ = wxT('{');
747 wxStrcpy (tcp, WXSTRINGCAST envname);
748 wxStrcat (tcp, wxT("}"));
749 wxStrcat (tcp, wxFileFunctionsBuffer);
750 }
751#endif
752
753 // Handle User's home (ignore root homes!)
754 size_t len = 0;
755 if ((val = wxGetUserHome (user)) != NULL &&
756 (len = wxStrlen(val)) > 2 &&
757 wxStrncmp(dest, val, len) == 0)
758 {
759 wxStrcpy(wxFileFunctionsBuffer, wxT("~"));
760 if (user != wxT(""))
761 wxStrcat(wxFileFunctionsBuffer, (const wxChar*) user);
762 wxStrcat(wxFileFunctionsBuffer, dest + len);
763 wxStrcpy (dest, wxFileFunctionsBuffer);
764 }
765
766 return dest;
767}
768
769// Return just the filename, not the path (basename)
770wxChar *wxFileNameFromPath (wxChar *path)
771{
772 wxString p = path;
773 wxString n = wxFileNameFromPath(p);
774
775 return path + p.length() - n.length();
776}
777
778wxString wxFileNameFromPath (const wxString& path)
779{
780 wxString name, ext;
781 wxFileName::SplitPath(path, NULL, &name, &ext);
782
783 wxString fullname = name;
784 if ( !ext.empty() )
785 {
786 fullname << wxFILE_SEP_EXT << ext;
787 }
788
789 return fullname;
790}
791
792// Return just the directory, or NULL if no directory
793wxChar *
794wxPathOnly (wxChar *path)
795{
796 if (path && *path)
797 {
798 static wxChar buf[_MAXPATHLEN];
799
800 // Local copy
801 wxStrcpy (buf, path);
802
803 int l = wxStrlen(path);
804 int i = l - 1;
805
806 // Search backward for a backward or forward slash
807 while (i > -1)
808 {
809#if defined(__WXMAC__) && !defined(__DARWIN__)
810 // Classic or Carbon CodeWarrior like
811 // Carbon with Apple DevTools is Unix like
812 if (path[i] == wxT(':') )
813 {
814 buf[i] = 0;
815 return buf;
816 }
817#else
818 // Unix like or Windows
819 if (path[i] == wxT('/') || path[i] == wxT('\\'))
820 {
821 buf[i] = 0;
822 return buf;
823 }
824#endif
825#ifdef __VMS__
826 if (path[i] == wxT(']'))
827 {
828 buf[i+1] = 0;
829 return buf;
830 }
831#endif
832 i --;
833 }
834
835#if defined(__WXMSW__) || defined(__OS2__)
836 // Try Drive specifier
837 if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
838 {
839 // A:junk --> A:. (since A:.\junk Not A:\junk)
840 buf[2] = wxT('.');
841 buf[3] = wxT('\0');
842 return buf;
843 }
844#endif
845 }
846 return (wxChar *) NULL;
847}
848
849// Return just the directory, or NULL if no directory
850wxString wxPathOnly (const wxString& path)
851{
852 if (path != wxT(""))
853 {
854 wxChar buf[_MAXPATHLEN];
855
856 // Local copy
857 wxStrcpy (buf, WXSTRINGCAST path);
858
859 int l = path.Length();
860 int i = l - 1;
861
862 // Search backward for a backward or forward slash
863 while (i > -1)
864 {
865#if defined(__WXMAC__) && !defined(__DARWIN__)
866 // Classic or Carbon CodeWarrior like
867 // Carbon with Apple DevTools is Unix like
868 if (path[i] == wxT(':') )
869 {
870 buf[i] = 0;
871 return wxString(buf);
872 }
873#else
874 // Unix like or Windows
875 if (path[i] == wxT('/') || path[i] == wxT('\\'))
876 {
877 buf[i] = 0;
878 return wxString(buf);
879 }
880#endif
881#ifdef __VMS__
882 if (path[i] == wxT(']'))
883 {
884 buf[i+1] = 0;
885 return wxString(buf);
886 }
887#endif
888 i --;
889 }
890
891#if defined(__WXMSW__) || defined(__OS2__)
892 // Try Drive specifier
893 if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
894 {
895 // A:junk --> A:. (since A:.\junk Not A:\junk)
896 buf[2] = wxT('.');
897 buf[3] = wxT('\0');
898 return wxString(buf);
899 }
900#endif
901 }
902 return wxString(wxT(""));
903}
904
905// Utility for converting delimiters in DOS filenames to UNIX style
906// and back again - or we get nasty problems with delimiters.
907// Also, convert to lower case, since case is significant in UNIX.
908
909#if defined(__WXMAC__)
910wxString wxMacFSSpec2MacFilename( const FSSpec *spec )
911{
912#ifdef __DARWIN__
913 int i;
914 int j;
915 OSErr theErr;
916 OSStatus theStatus = noErr;
917 Boolean isDirectory = FALSE;
918 Str255 theParentPath = "\p";
919 FSSpec theParentSpec;
920 FSRef theParentRef;
921 char theFileName[FILENAME_MAX];
922 char thePath[FILENAME_MAX];
923
924 strcpy(thePath, "");
925
926 // GD: Separate file name from path and make a FSRef to the parent
927 // directory. This is necessary since FSRefs cannot reference files
928 // that have not yet been created.
929 // Based on example code from Apple Technical Note TN2022
930 // http://developer.apple.com/technotes/tn/tn2022.html
931
932 // check whether we are converting a directory
933 isDirectory = ((spec->name)[spec->name[0]] == ':');
934 // count length of file name
935 for (i = spec->name[0] - (isDirectory ? 1 : 0); ((spec->name[i] != ':') && (i > 0)); i--);
936 // copy file name
937 // prepend path separator since it will later be appended to the path
938 theFileName[0] = wxFILE_SEP_PATH;
939 for (j = i + 1; j <= spec->name[0] - (isDirectory ? 1 : 0); j++) {
940 theFileName[j - i] = spec->name[j];
941 }
942 theFileName[j - i] = '\0';
943 // copy path if any
944 for (j = 1; j <= i; j++) {
945 theParentPath[++theParentPath[0]] = spec->name[j];
946 }
947 theErr = FSMakeFSSpec(spec->vRefNum, spec->parID, theParentPath, &theParentSpec);
948 if (theErr == noErr) {
949 // convert the FSSpec to an FSRef
950 theErr = FSpMakeFSRef(&theParentSpec, &theParentRef);
951 }
952 if (theErr == noErr) {
953 // get the POSIX path associated with the FSRef
954 theStatus = FSRefMakePath(&theParentRef,
955 (UInt8 *)thePath, sizeof(thePath));
956 }
957 if (theStatus == noErr) {
958 // append file name to path
959 // includes previously prepended path separator
960 strcat(thePath, theFileName);
961 }
962
963 // create path string for return value
964 wxString result( thePath , wxConvLocal) ;
965#else
966 Handle myPath ;
967 short length ;
968
969 // get length of path and allocate handle
970 FSpGetFullPath( spec , &length , &myPath ) ;
971 ::SetHandleSize( myPath , length + 1 ) ;
972 ::HLock( myPath ) ;
973 (*myPath)[length] = 0 ;
974 if ((length > 0) && ((*myPath)[length-1] == ':'))
975 (*myPath)[length-1] = 0 ;
976
977 // create path string for return value
978 wxString result( *myPath , wxConvLocal) ;
979
980 // free allocated handle
981 ::HUnlock( myPath ) ;
982 ::DisposeHandle( myPath ) ;
983#endif
984
985 return result ;
986}
987#ifndef __DARWIN__
988// Mac file names are POSIX (Unix style) under Darwin
989// therefore the conversion functions below are not needed
990
991static wxChar sMacFileNameConversion[ 1000 ] ;
992static char scMacFileNameConversion[ 1000 ] ;
993
994#endif
995void wxMacFilename2FSSpec( const char *path , FSSpec *spec )
996{
997 OSStatus err = noErr ;
998#ifdef __DARWIN__
999 FSRef theRef;
1000
1001 // get the FSRef associated with the POSIX path
1002 err = FSPathMakeRef((const UInt8 *) path, &theRef, NULL);
1003 // convert the FSRef to an FSSpec
1004 err = FSGetCatalogInfo(&theRef, kFSCatInfoNone, NULL, NULL, spec, NULL);
1005#else
1006 if ( strchr( path , ':' ) == NULL )
1007 {
1008 // try whether it is a volume / or a mounted volume
1009 strncpy( scMacFileNameConversion , path , 1000 ) ;
1010 scMacFileNameConversion[998] = 0 ;
1011 strcat( scMacFileNameConversion , ":" ) ;
1012 err = FSpLocationFromFullPath( strlen(scMacFileNameConversion) , scMacFileNameConversion , spec ) ;
1013 }
1014 else
1015 {
1016 err = FSpLocationFromFullPath( strlen(path) , path , spec ) ;
1017 }
1018#endif
1019}
1020
1021#if wxUSE_UNICODE
1022WXDLLEXPORT void wxMacFilename2FSSpec( const wxChar *path , FSSpec *spec )
1023{
1024 return wxMacFilename2FSSpec( wxConvFile.cWC2MB(path) , spec ) ;
1025}
1026#endif
1027
1028#ifndef __DARWIN__
1029
1030wxString wxMac2UnixFilename (const wxChar *str)
1031{
1032 wxChar *s = sMacFileNameConversion ;
1033 wxStrcpy( s , str ) ;
1034 if (s)
1035 {
1036 memmove( s+1 , s ,wxStrlen( s ) + 1 * sizeof(wxChar)) ;
1037 if ( *s == ':' )
1038 *s = '.' ;
1039 else
1040 *s = '/' ;
1041
1042 while (*s)
1043 {
1044 if (*s == ':')
1045 *s = '/';
1046 else
1047 *s = wxTolower(*s); // Case INDEPENDENT
1048 s++;
1049 }
1050 }
1051 return wxString(sMacFileNameConversion) ;
1052}
1053
1054wxString wxUnix2MacFilename (const wxChar *str)
1055{
1056 wxChar *s = sMacFileNameConversion ;
1057 wxStrcpy( s , str ) ;
1058 if (s)
1059 {
1060 if ( *s == '.' )
1061 {
1062 // relative path , since it goes on with slash which is translated to a :
1063 memmove( s , s+1 ,wxStrlen( s ) * sizeof(wxChar)) ;
1064 }
1065 else if ( *s == '/' )
1066 {
1067 // absolute path -> on mac just start with the drive name
1068 memmove( s , s+1 ,wxStrlen( s ) * sizeof(wxChar) ) ;
1069 }
1070 else
1071 {
1072 wxASSERT_MSG( 1 , wxT("unkown path beginning") ) ;
1073 }
1074 while (*s)
1075 {
1076 if (*s == '/' || *s == '\\')
1077 {
1078 // convert any back-directory situations
1079 if ( *(s+1) == '.' && *(s+2) == '.' && ( (*(s+3) == '/' || *(s+3) == '\\') ) )
1080 {
1081 *s = ':';
1082 memmove( s+1 , s+3 ,(wxStrlen( s+3 ) + 1)*sizeof(wxChar) ) ;
1083 }
1084 else
1085 *s = ':';
1086 }
1087 s++ ;
1088 }
1089 }
1090 return wxString(sMacFileNameConversion) ;
1091}
1092
1093wxString wxMacFSSpec2UnixFilename( const FSSpec *spec )
1094{
1095 return wxMac2UnixFilename( wxMacFSSpec2MacFilename( spec) ) ;
1096}
1097
1098void wxUnixFilename2FSSpec( const wxChar *path , FSSpec *spec )
1099{
1100 wxString var = wxUnix2MacFilename( path ) ;
1101 wxMacFilename2FSSpec( var , spec ) ;
1102}
1103#endif // ! __DARWIN__
1104
1105#endif // __WXMAC__
1106
1107void
1108wxDos2UnixFilename (wxChar *s)
1109{
1110 if (s)
1111 while (*s)
1112 {
1113 if (*s == _T('\\'))
1114 *s = _T('/');
1115#ifdef __WXMSW__
1116 else
1117 *s = wxTolower (*s); // Case INDEPENDENT
1118#endif
1119 s++;
1120 }
1121}
1122
1123void
1124#if defined(__WXMSW__) || defined(__OS2__)
1125wxUnix2DosFilename (wxChar *s)
1126#else
1127wxUnix2DosFilename (wxChar *WXUNUSED(s) )
1128#endif
1129{
1130// Yes, I really mean this to happen under DOS only! JACS
1131#if defined(__WXMSW__) || defined(__OS2__)
1132 if (s)
1133 while (*s)
1134 {
1135 if (*s == wxT('/'))
1136 *s = wxT('\\');
1137 s++;
1138 }
1139#endif
1140}
1141
1142// Concatenate two files to form third
1143bool
1144wxConcatFiles (const wxString& file1, const wxString& file2, const wxString& file3)
1145{
1146 wxString outfile;
1147 if ( !wxGetTempFileName( wxT("cat"), outfile) )
1148 return FALSE;
1149
1150 FILE *fp1 wxDUMMY_INITIALIZE(NULL);
1151 FILE *fp2 = NULL;
1152 FILE *fp3 = NULL;
1153 // Open the inputs and outputs
1154 if ((fp1 = wxFopen ( file1, wxT("rb"))) == NULL ||
1155 (fp2 = wxFopen ( file2, wxT("rb"))) == NULL ||
1156 (fp3 = wxFopen ( outfile, wxT("wb"))) == NULL)
1157 {
1158 if (fp1)
1159 fclose (fp1);
1160 if (fp2)
1161 fclose (fp2);
1162 if (fp3)
1163 fclose (fp3);
1164 return FALSE;
1165 }
1166
1167 int ch;
1168 while ((ch = getc (fp1)) != EOF)
1169 (void) putc (ch, fp3);
1170 fclose (fp1);
1171
1172 while ((ch = getc (fp2)) != EOF)
1173 (void) putc (ch, fp3);
1174 fclose (fp2);
1175
1176 fclose (fp3);
1177 bool result = wxRenameFile(outfile, file3);
1178 return result;
1179}
1180
1181// Copy files
1182bool
1183wxCopyFile (const wxString& file1, const wxString& file2, bool overwrite)
1184{
1185#if defined(__WIN32__) && !defined(__WXMICROWIN__)
1186 // CopyFile() copies file attributes and modification time too, so use it
1187 // instead of our code if available
1188 //
1189 // NB: 3rd parameter is bFailIfExists i.e. the inverse of overwrite
1190 if ( !::CopyFile(file1, file2, !overwrite) )
1191 {
1192 wxLogSysError(_("Failed to copy the file '%s' to '%s'"),
1193 file1.c_str(), file2.c_str());
1194
1195 return FALSE;
1196 }
1197#elif defined(__OS2__)
1198 if ( ::DosCopy(file2, file2, overwrite ? DCPY_EXISTING : 0) != 0 )
1199 return FALSE;
1200#else // !Win32
1201
1202 wxStructStat fbuf;
1203 // get permissions of file1
1204 if ( wxStat( file1.c_str(), &fbuf) != 0 )
1205 {
1206 // the file probably doesn't exist or we haven't the rights to read
1207 // from it anyhow
1208 wxLogSysError(_("Impossible to get permissions for file '%s'"),
1209 file1.c_str());
1210 return FALSE;
1211 }
1212
1213 // open file1 for reading
1214 wxFile fileIn(file1, wxFile::read);
1215 if ( !fileIn.IsOpened() )
1216 return FALSE;
1217
1218 // remove file2, if it exists. This is needed for creating
1219 // file2 with the correct permissions in the next step
1220 if ( wxFileExists(file2) && (!overwrite || !wxRemoveFile(file2)))
1221 {
1222 wxLogSysError(_("Impossible to overwrite the file '%s'"),
1223 file2.c_str());
1224 return FALSE;
1225 }
1226
1227#ifdef __UNIX__
1228 // reset the umask as we want to create the file with exactly the same
1229 // permissions as the original one
1230 mode_t oldUmask = umask( 0 );
1231#endif // __UNIX__
1232
1233 // create file2 with the same permissions than file1 and open it for
1234 // writing
1235
1236 wxFile fileOut;
1237 if ( !fileOut.Create(file2, overwrite, fbuf.st_mode & 0777) )
1238 return FALSE;
1239
1240#ifdef __UNIX__
1241 /// restore the old umask
1242 umask(oldUmask);
1243#endif // __UNIX__
1244
1245 // copy contents of file1 to file2
1246 char buf[4096];
1247 size_t count;
1248 for ( ;; )
1249 {
1250 count = fileIn.Read(buf, WXSIZEOF(buf));
1251 if ( fileIn.Error() )
1252 return FALSE;
1253
1254 // end of file?
1255 if ( !count )
1256 break;
1257
1258 if ( fileOut.Write(buf, count) < count )
1259 return FALSE;
1260 }
1261
1262 // we can expect fileIn to be closed successfully, but we should ensure
1263 // that fileOut was closed as some write errors (disk full) might not be
1264 // detected before doing this
1265 if ( !fileIn.Close() || !fileOut.Close() )
1266 return FALSE;
1267
1268#if !defined(__VISAGECPP__) && !defined(__WXMAC__) || defined(__UNIX__)
1269 // no chmod in VA. Should be some permission API for HPFS386 partitions
1270 // however
1271 if ( chmod(OS_FILENAME(file2), fbuf.st_mode) != 0 )
1272 {
1273 wxLogSysError(_("Impossible to set permissions for the file '%s'"),
1274 file2.c_str());
1275 return FALSE;
1276 }
1277#endif // OS/2 || Mac
1278#endif // __WXMSW__ && __WIN32__
1279
1280 return TRUE;
1281}
1282
1283bool
1284wxRenameFile (const wxString& file1, const wxString& file2)
1285{
1286#ifndef __WXWINCE__
1287 // Normal system call
1288 if ( wxRename (file1, file2) == 0 )
1289 return TRUE;
1290#endif
1291
1292 // Try to copy
1293 if (wxCopyFile(file1, file2)) {
1294 wxRemoveFile(file1);
1295 return TRUE;
1296 }
1297 // Give up
1298 return FALSE;
1299}
1300
1301bool wxRemoveFile(const wxString& file)
1302{
1303#if defined(__VISUALC__) \
1304 || defined(__BORLANDC__) \
1305 || defined(__WATCOMC__) \
1306 || defined(__DMC__) \
1307 || defined(__GNUWIN32__)
1308 int res = wxRemove(file);
1309#elif defined(__WXMAC__)
1310 int res = unlink(wxFNCONV(file));
1311#else
1312 int res = unlink(OS_FILENAME(file));
1313#endif
1314
1315 return res == 0;
1316}
1317
1318bool wxMkdir(const wxString& dir, int perm)
1319{
1320#if defined(__WXMAC__) && !defined(__UNIX__)
1321 return (mkdir( wxFNCONV(dir) , 0 ) == 0);
1322#else // !Mac
1323 const wxChar *dirname = dir.c_str();
1324
1325 // assume mkdir() has 2 args on non Windows-OS/2 platforms and on Windows too
1326 // for the GNU compiler
1327#if (!(defined(__WXMSW__) || defined(__OS2__) || defined(__DOS__))) || (defined(__GNUWIN32__) && !defined(__MINGW32__)) || defined(__WINE__) || defined(__WXMICROWIN__)
1328 #ifndef MSVCRT
1329 if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1330 #else
1331 if ( mkdir(wxFNCONV(dirname)) != 0 )
1332 #endif
1333#elif defined(__OS2__)
1334 if (::DosCreateDir((PSZ)dirname, NULL) != 0) // enhance for EAB's??
1335#elif defined(__DOS__)
1336 #if defined(__WATCOMC__)
1337 (void)perm;
1338 if ( wxMkDir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
1339 #elif defined(__DJGPP__)
1340 if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1341 #else
1342 #error "Unsupported DOS compiler!"
1343 #endif
1344#else // !MSW, !DOS and !OS/2 VAC++
1345 (void)perm;
1346#ifdef __WXWINCE__
1347 if ( !CreateDirectory(dirname, NULL) )
1348#else
1349 if ( wxMkDir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
1350#endif
1351#endif // !MSW/MSW
1352 {
1353 wxLogSysError(_("Directory '%s' couldn't be created"), dirname);
1354
1355 return FALSE;
1356 }
1357
1358 return TRUE;
1359#endif // Mac/!Mac
1360}
1361
1362bool wxRmdir(const wxString& dir, int WXUNUSED(flags))
1363{
1364#ifdef __VMS__
1365 return FALSE; //to be changed since rmdir exists in VMS7.x
1366#elif defined(__OS2__)
1367 return (::DosDeleteDir((PSZ)dir.c_str()) == 0);
1368#else
1369
1370#ifdef __WXWINCE__
1371 return (CreateDirectory(dir, NULL) != 0);
1372#else
1373 return (wxRmDir(OS_FILENAME(dir)) == 0);
1374#endif
1375
1376#endif
1377}
1378
1379// does the path exists? (may have or not '/' or '\\' at the end)
1380bool wxPathExists(const wxChar *pszPathName)
1381{
1382 wxString strPath(pszPathName);
1383
1384#if defined(__WINDOWS__) || defined(__OS2__)
1385 // Windows fails to find directory named "c:\dir\" even if "c:\dir" exists,
1386 // so remove all trailing backslashes from the path - but don't do this for
1387 // the pathes "d:\" (which are different from "d:") nor for just "\"
1388 while ( wxEndsWithPathSeparator(strPath) )
1389 {
1390 size_t len = strPath.length();
1391 if ( len == 1 || (len == 3 && strPath[len - 2] == _T(':')) )
1392 break;
1393
1394 strPath.Truncate(len - 1);
1395 }
1396#endif // __WINDOWS__
1397
1398#ifdef __OS2__
1399 // OS/2 can't handle "d:", it wants either "d:\" or "d:."
1400 if (strPath.length() == 2 && strPath[1u] == _T(':'))
1401 strPath << _T('.');
1402#endif
1403
1404#if defined(__WIN32__) && !defined(__WXMICROWIN__)
1405 // stat() can't cope with network paths
1406 DWORD ret = ::GetFileAttributes(strPath);
1407
1408 return (ret != (DWORD)-1) && (ret & FILE_ATTRIBUTE_DIRECTORY);
1409#else // !__WIN32__
1410
1411 wxStructStat st;
1412#ifndef __VISAGECPP__
1413 return wxStat(strPath.c_str(), &st) == 0 && ((st.st_mode & S_IFMT) == S_IFDIR);
1414#else
1415 // S_IFMT not supported in VA compilers.. st_mode is a 2byte value only
1416 return wxStat(pszPathName, &st) == 0 && (st.st_mode == S_IFDIR);
1417#endif
1418
1419#endif // __WIN32__/!__WIN32__
1420}
1421
1422// Get a temporary filename, opening and closing the file.
1423wxChar *wxGetTempFileName(const wxString& prefix, wxChar *buf)
1424{
1425 wxString filename = wxFileName::CreateTempFileName(prefix);
1426 if ( filename.empty() )
1427 return NULL;
1428
1429 if ( buf )
1430 wxStrcpy(buf, filename);
1431 else
1432 buf = MYcopystring(filename);
1433
1434 return buf;
1435}
1436
1437bool wxGetTempFileName(const wxString& prefix, wxString& buf)
1438{
1439 buf = wxFileName::CreateTempFileName(prefix);
1440
1441 return !buf.empty();
1442}
1443
1444// Get first file name matching given wild card.
1445
1446static wxDir *gs_dir = NULL;
1447static wxString gs_dirPath;
1448
1449wxString wxFindFirstFile(const wxChar *spec, int flags)
1450{
1451 wxSplitPath(spec, &gs_dirPath, NULL, NULL);
1452 if ( gs_dirPath.IsEmpty() )
1453 gs_dirPath = wxT(".");
1454 if ( !wxEndsWithPathSeparator(gs_dirPath ) )
1455 gs_dirPath << wxFILE_SEP_PATH;
1456
1457 if (gs_dir)
1458 delete gs_dir;
1459 gs_dir = new wxDir(gs_dirPath);
1460
1461 if ( !gs_dir->IsOpened() )
1462 {
1463 wxLogSysError(_("Can not enumerate files '%s'"), spec);
1464 return wxEmptyString;
1465 }
1466
1467 int dirFlags;
1468 switch (flags)
1469 {
1470 case wxDIR: dirFlags = wxDIR_DIRS; break;
1471 case wxFILE: dirFlags = wxDIR_FILES; break;
1472 default: dirFlags = wxDIR_DIRS | wxDIR_FILES; break;
1473 }
1474
1475 wxString result;
1476 gs_dir->GetFirst(&result, wxFileNameFromPath(wxString(spec)), dirFlags);
1477 if ( result.IsEmpty() )
1478 {
1479 wxDELETE(gs_dir);
1480 return result;
1481 }
1482
1483 return gs_dirPath + result;
1484}
1485
1486wxString wxFindNextFile()
1487{
1488 wxASSERT_MSG( gs_dir, wxT("You must call wxFindFirstFile before!") );
1489
1490 wxString result;
1491 gs_dir->GetNext(&result);
1492
1493 if ( result.IsEmpty() )
1494 {
1495 wxDELETE(gs_dir);
1496 return result;
1497 }
1498
1499 return gs_dirPath + result;
1500}
1501
1502
1503// Get current working directory.
1504// If buf is NULL, allocates space using new, else
1505// copies into buf.
1506wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
1507{
1508#ifdef __WXWINCE__
1509 return NULL;
1510#else
1511 if ( !buf )
1512 {
1513 buf = new wxChar[sz + 1];
1514 }
1515
1516 bool ok wxDUMMY_INITIALIZE(FALSE);
1517
1518 // for the compilers which have Unicode version of _getcwd(), call it
1519 // directly, for the others call the ANSI version and do the translation
1520#if !wxUSE_UNICODE
1521 #define cbuf buf
1522#else // wxUSE_UNICODE
1523 bool needsANSI = TRUE;
1524
1525 #if !defined(HAVE_WGETCWD) || wxUSE_UNICODE_MSLU
1526 // This is not legal code as the compiler
1527 // is allowed destroy the wxCharBuffer.
1528 // wxCharBuffer c_buffer(sz);
1529 // char *cbuf = (char*)(const char*)c_buffer;
1530 char cbuf[_MAXPATHLEN];
1531 #endif
1532
1533 #ifdef HAVE_WGETCWD
1534 #if wxUSE_UNICODE_MSLU
1535 if ( wxGetOsVersion() != wxWIN95 )
1536 #else
1537 char *cbuf = NULL; // never really used because needsANSI will always be FALSE
1538 #endif
1539 {
1540 ok = _wgetcwd(buf, sz) != NULL;
1541 needsANSI = FALSE;
1542 }
1543 #endif
1544
1545 if ( needsANSI )
1546#endif // wxUSE_UNICODE
1547 {
1548 #if defined(_MSC_VER) || defined(__MINGW32__)
1549 ok = _getcwd(cbuf, sz) != NULL;
1550 #elif defined(__WXMAC__) && !defined(__DARWIN__)
1551 FSSpec cwdSpec ;
1552 FCBPBRec pb;
1553 OSErr error;
1554 Str255 fileName ;
1555 pb.ioNamePtr = (StringPtr) &fileName;
1556 pb.ioVRefNum = 0;
1557 pb.ioRefNum = LMGetCurApRefNum();
1558 pb.ioFCBIndx = 0;
1559 error = PBGetFCBInfoSync(&pb);
1560 if ( error == noErr )
1561 {
1562 cwdSpec.vRefNum = pb.ioFCBVRefNum;
1563 cwdSpec.parID = pb.ioFCBParID;
1564 cwdSpec.name[0] = 0 ;
1565 wxString res = wxMacFSSpec2MacFilename( &cwdSpec ) ;
1566 wxStrcpy( buf , res ) ;
1567 ok = TRUE;
1568 }
1569 else
1570 {
1571 ok = FALSE;
1572 }
1573 #elif defined(__OS2__)
1574 APIRET rc;
1575 ULONG ulDriveNum = 0;
1576 ULONG ulDriveMap = 0;
1577 rc = ::DosQueryCurrentDisk(&ulDriveNum, &ulDriveMap);
1578 ok = rc == 0;
1579 if (ok)
1580 {
1581 sz -= 3;
1582 rc = ::DosQueryCurrentDir( 0 // current drive
1583 ,cbuf + 3
1584 ,(PULONG)&sz
1585 );
1586 cbuf[0] = 'A' + (ulDriveNum - 1);
1587 cbuf[1] = ':';
1588 cbuf[2] = '\\';
1589 ok = rc == 0;
1590 }
1591 #else // !Win32/VC++ !Mac !OS2
1592 ok = getcwd(cbuf, sz) != NULL;
1593 #endif // platform
1594
1595 #if wxUSE_UNICODE && !(defined(__WXMAC__) && !defined(__DARWIN__))
1596 // finally convert the result to Unicode if needed
1597 wxConvFile.MB2WC(buf, cbuf, sz);
1598 #endif // wxUSE_UNICODE
1599 }
1600
1601 if ( !ok )
1602 {
1603 wxLogSysError(_("Failed to get the working directory"));
1604
1605 // VZ: the old code used to return "." on error which didn't make any
1606 // sense at all to me - empty string is a better error indicator
1607 // (NULL might be even better but I'm afraid this could lead to
1608 // problems with the old code assuming the return is never NULL)
1609 buf[0] = _T('\0');
1610 }
1611 else // ok, but we might need to massage the path into the right format
1612 {
1613#ifdef __DJGPP__
1614 // VS: DJGPP is a strange mix of DOS and UNIX API and returns paths
1615 // with / deliminers. We don't like that.
1616 for (wxChar *ch = buf; *ch; ch++)
1617 {
1618 if (*ch == wxT('/'))
1619 *ch = wxT('\\');
1620 }
1621#endif // __DJGPP__
1622
1623// MBN: we hope that in the case the user is compiling a GTK+/Motif app,
1624// he needs Unix as opposed to Win32 pathnames
1625#if defined( __CYGWIN__ ) && defined( __WINDOWS__ )
1626 // another example of DOS/Unix mix (Cygwin)
1627 wxString pathUnix = buf;
1628 cygwin_conv_to_full_win32_path(pathUnix, buf);
1629#endif // __CYGWIN__
1630 }
1631
1632 return buf;
1633
1634#if !wxUSE_UNICODE
1635 #undef cbuf
1636#endif
1637
1638#endif
1639 // __WXWINCE__
1640}
1641
1642wxString wxGetCwd()
1643{
1644 wxChar *buffer = new wxChar[_MAXPATHLEN];
1645 wxGetWorkingDirectory(buffer, _MAXPATHLEN);
1646 wxString str( buffer );
1647 delete [] buffer;
1648
1649 return str;
1650}
1651
1652bool wxSetWorkingDirectory(const wxString& d)
1653{
1654#if defined(__OS2__)
1655 return (::DosSetCurrentDir((PSZ)d.c_str()) == 0);
1656#elif defined(__UNIX__) || defined(__WXMAC__) || defined(__DOS__)
1657 return (chdir(wxFNSTRINGCAST d.fn_str()) == 0);
1658#elif defined(__WINDOWS__)
1659
1660#ifdef __WIN32__
1661#ifdef __WXWINCE__
1662 // No equivalent in WinCE
1663 return FALSE;
1664#else
1665 return (bool)(SetCurrentDirectory(d) != 0);
1666#endif
1667#else
1668 // Must change drive, too.
1669 bool isDriveSpec = ((strlen(d) > 1) && (d[1] == ':'));
1670 if (isDriveSpec)
1671 {
1672 wxChar firstChar = d[0];
1673
1674 // To upper case
1675 if (firstChar > 90)
1676 firstChar = firstChar - 32;
1677
1678 // To a drive number
1679 unsigned int driveNo = firstChar - 64;
1680 if (driveNo > 0)
1681 {
1682 unsigned int noDrives;
1683 _dos_setdrive(driveNo, &noDrives);
1684 }
1685 }
1686 bool success = (chdir(WXSTRINGCAST d) == 0);
1687
1688 return success;
1689#endif
1690
1691#endif
1692}
1693
1694// Get the OS directory if appropriate (such as the Windows directory).
1695// On non-Windows platform, probably just return the empty string.
1696wxString wxGetOSDirectory()
1697{
1698#ifdef __WXWINCE__
1699 return wxString(wxT("\\Windows"));
1700#elif defined(__WINDOWS__) && !defined(__WXMICROWIN__)
1701 wxChar buf[256];
1702 GetWindowsDirectory(buf, 256);
1703 return wxString(buf);
1704#elif defined(__WXMAC__)
1705 return wxMacFindFolder(kOnSystemDisk, 'macs', false);
1706#else
1707 return wxEmptyString;
1708#endif
1709}
1710
1711bool wxEndsWithPathSeparator(const wxChar *pszFileName)
1712{
1713 size_t len = wxStrlen(pszFileName);
1714
1715 return len && wxIsPathSeparator(pszFileName[len - 1]);
1716}
1717
1718// find a file in a list of directories, returns FALSE if not found
1719bool wxFindFileInPath(wxString *pStr, const wxChar *pszPath, const wxChar *pszFile)
1720{
1721 // we assume that it's not empty
1722 wxCHECK_MSG( !wxIsEmpty(pszFile), FALSE,
1723 _T("empty file name in wxFindFileInPath"));
1724
1725 // skip path separator in the beginning of the file name if present
1726 if ( wxIsPathSeparator(*pszFile) )
1727 pszFile++;
1728
1729 // copy the path (strtok will modify it)
1730 wxChar *szPath = new wxChar[wxStrlen(pszPath) + 1];
1731 wxStrcpy(szPath, pszPath);
1732
1733 wxString strFile;
1734 wxChar *pc, *save_ptr;
1735 for ( pc = wxStrtok(szPath, wxPATH_SEP, &save_ptr);
1736 pc != NULL;
1737 pc = wxStrtok((wxChar *) NULL, wxPATH_SEP, &save_ptr) )
1738 {
1739 // search for the file in this directory
1740 strFile = pc;
1741 if ( !wxEndsWithPathSeparator(pc) )
1742 strFile += wxFILE_SEP_PATH;
1743 strFile += pszFile;
1744
1745 if ( wxFileExists(strFile) ) {
1746 *pStr = strFile;
1747 break;
1748 }
1749 }
1750
1751 // suppress warning about unused variable save_ptr when wxStrtok() is a
1752 // macro which throws away its third argument
1753 save_ptr = pc;
1754
1755 delete [] szPath;
1756
1757 return pc != NULL; // if TRUE => we breaked from the loop
1758}
1759
1760void WXDLLEXPORT wxSplitPath(const wxChar *pszFileName,
1761 wxString *pstrPath,
1762 wxString *pstrName,
1763 wxString *pstrExt)
1764{
1765 // it can be empty, but it shouldn't be NULL
1766 wxCHECK_RET( pszFileName, wxT("NULL file name in wxSplitPath") );
1767
1768 wxFileName::SplitPath(pszFileName, pstrPath, pstrName, pstrExt);
1769}
1770
1771time_t WXDLLEXPORT wxFileModificationTime(const wxString& filename)
1772{
1773#ifdef __WXWINCE__
1774 FILETIME creationTime, lastAccessTime, lastWriteTime;
1775 HANDLE fileHandle = ::CreateFile(filename, GENERIC_READ, FILE_SHARE_READ, NULL,
1776 0, FILE_ATTRIBUTE_NORMAL, 0);
1777 if (fileHandle == INVALID_HANDLE_VALUE)
1778 return 0;
1779 else
1780 {
1781 if (GetFileTime(fileHandle, & creationTime, & lastAccessTime, & lastWriteTime))
1782 {
1783 CloseHandle(fileHandle);
1784
1785 wxDateTime dateTime;
1786 FILETIME ftLocal;
1787 if ( !::FileTimeToLocalFileTime(&lastWriteTime, &ftLocal) )
1788 {
1789 wxLogLastError(_T("FileTimeToLocalFileTime"));
1790 }
1791
1792 SYSTEMTIME st;
1793 if ( !::FileTimeToSystemTime(&ftLocal, &st) )
1794 {
1795 wxLogLastError(_T("FileTimeToSystemTime"));
1796 }
1797
1798 dateTime.Set(st.wDay, wxDateTime::Month(st.wMonth - 1), st.wYear,
1799 st.wHour, st.wMinute, st.wSecond, st.wMilliseconds);
1800 return dateTime.GetTicks();
1801 }
1802 else
1803 return 0;
1804 }
1805#else
1806 wxStructStat buf;
1807 wxStat( filename, &buf);
1808
1809 return buf.st_mtime;
1810#endif
1811}
1812
1813
1814//------------------------------------------------------------------------
1815// wild character routines
1816//------------------------------------------------------------------------
1817
1818bool wxIsWild( const wxString& pattern )
1819{
1820 wxString tmp = pattern;
1821 wxChar *pat = WXSTRINGCAST(tmp);
1822 while (*pat)
1823 {
1824 switch (*pat++)
1825 {
1826 case wxT('?'): case wxT('*'): case wxT('['): case wxT('{'):
1827 return TRUE;
1828 case wxT('\\'):
1829 if (!*pat++)
1830 return FALSE;
1831 }
1832 }
1833 return FALSE;
1834}
1835
1836/*
1837* Written By Douglas A. Lewis <dalewis@cs.Buffalo.EDU>
1838*
1839* The match procedure is public domain code (from ircII's reg.c)
1840*/
1841
1842bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
1843{
1844 if (text.empty())
1845 {
1846 /* Match if both are empty. */
1847 return pat.empty();
1848 }
1849
1850 const wxChar *m = pat.c_str(),
1851 *n = text.c_str(),
1852 *ma = NULL,
1853 *na = NULL,
1854 *mp = NULL,
1855 *np = NULL;
1856 int just = 0,
1857 pcount = 0,
1858 acount = 0,
1859 count = 0;
1860
1861 if (dot_special && (*n == wxT('.')))
1862 {
1863 /* Never match so that hidden Unix files
1864 * are never found. */
1865 return FALSE;
1866 }
1867
1868 for (;;)
1869 {
1870 if (*m == wxT('*'))
1871 {
1872 ma = ++m;
1873 na = n;
1874 just = 1;
1875 mp = NULL;
1876 acount = count;
1877 }
1878 else if (*m == wxT('?'))
1879 {
1880 m++;
1881 if (!*n++)
1882 return FALSE;
1883 }
1884 else
1885 {
1886 if (*m == wxT('\\'))
1887 {
1888 m++;
1889 /* Quoting "nothing" is a bad thing */
1890 if (!*m)
1891 return FALSE;
1892 }
1893 if (!*m)
1894 {
1895 /*
1896 * If we are out of both strings or we just
1897 * saw a wildcard, then we can say we have a
1898 * match
1899 */
1900 if (!*n)
1901 return TRUE;
1902 if (just)
1903 return TRUE;
1904 just = 0;
1905 goto not_matched;
1906 }
1907 /*
1908 * We could check for *n == NULL at this point, but
1909 * since it's more common to have a character there,
1910 * check to see if they match first (m and n) and
1911 * then if they don't match, THEN we can check for
1912 * the NULL of n
1913 */
1914 just = 0;
1915 if (*m == *n)
1916 {
1917 m++;
1918 if (*n == wxT(' '))
1919 mp = NULL;
1920 count++;
1921 n++;
1922 }
1923 else
1924 {
1925
1926 not_matched:
1927
1928 /*
1929 * If there are no more characters in the
1930 * string, but we still need to find another
1931 * character (*m != NULL), then it will be
1932 * impossible to match it
1933 */
1934 if (!*n)
1935 return FALSE;
1936 if (mp)
1937 {
1938 m = mp;
1939 if (*np == wxT(' '))
1940 {
1941 mp = NULL;
1942 goto check_percent;
1943 }
1944 n = ++np;
1945 count = pcount;
1946 }
1947 else
1948 check_percent:
1949
1950 if (ma)
1951 {
1952 m = ma;
1953 n = ++na;
1954 count = acount;
1955 }
1956 else
1957 return FALSE;
1958 }
1959 }
1960 }
1961}
1962
1963
1964#ifdef __VISUALC__
1965 #pragma warning(default:4706) // assignment within conditional expression
1966#endif // VC++
wxWidgets (Impactor)