]> git.saurik.com Git - wxWidgets.git/blame_incremental - src/common/filefn.cpp
projects / wxWidgets.git / blame_incremental
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (non-incremental) | history | HEAD
Return NULL from wxWindow::GetCapture() when the capture is being lost.
[wxWidgets.git] / src / common / filefn.cpp
... / ...
CommitLineData
1/////////////////////////////////////////////////////////////////////////////
2// Name: src/common/filefn.cpp
3// Purpose: File- and directory-related functions
4// Author: Julian Smart
5// Modified by:
6// Created: 29/01/98
7// Copyright: (c) 1998 Julian Smart
8// Licence: wxWindows licence
9/////////////////////////////////////////////////////////////////////////////
10
11// ============================================================================
12// declarations
13// ============================================================================
14
15// ----------------------------------------------------------------------------
16// headers
17// ----------------------------------------------------------------------------
18
19// For compilers that support precompilation, includes "wx.h".
20#include "wx/wxprec.h"
21
22#ifdef __BORLANDC__
23 #pragma hdrstop
24#endif
25
26#include "wx/filefn.h"
27
28#ifndef WX_PRECOMP
29 #include "wx/intl.h"
30 #include "wx/log.h"
31 #include "wx/utils.h"
32 #include "wx/crt.h"
33#endif
34
35#include "wx/dynarray.h"
36#include "wx/file.h"
37#include "wx/filename.h"
38#include "wx/dir.h"
39
40#include "wx/tokenzr.h"
41
42// there are just too many of those...
43#ifdef __VISUALC__
44 #pragma warning(disable:4706) // assignment within conditional expression
45#endif // VC++
46
47#include <ctype.h>
48#include <stdio.h>
49#include <stdlib.h>
50#include <string.h>
51#if !wxONLY_WATCOM_EARLIER_THAN(1,4)
52 #if !(defined(_MSC_VER) && (_MSC_VER > 800))
53 #include <errno.h>
54 #endif
55#endif
56
57#if defined(__WXMAC__)
58 #include "wx/osx/private.h" // includes mac headers
59#endif
60
61#ifdef __WINDOWS__
62 #include "wx/msw/private.h"
63 #include "wx/msw/missing.h"
64 #include "wx/msw/mslu.h"
65
66 // sys/cygwin.h is needed for cygwin_conv_to_full_win32_path()
67 // and for cygwin_conv_path()
68 //
69 // note that it must be included after <windows.h>
70 #ifdef __GNUWIN32__
71 #ifdef __CYGWIN__
72 #include <sys/cygwin.h>
73 #include <cygwin/version.h>
74 #endif
75 #endif // __GNUWIN32__
76
77 // io.h is needed for _get_osfhandle()
78 // Already included by filefn.h for many Windows compilers
79 #if defined __CYGWIN__
80 #include <io.h>
81 #endif
82#endif // __WINDOWS__
83
84#if defined(__VMS__)
85 #include <fab.h>
86#endif
87
88// TODO: Borland probably has _wgetcwd as well?
89#ifdef _MSC_VER
90 #define HAVE_WGETCWD
91#endif
92
93// ----------------------------------------------------------------------------
94// constants
95// ----------------------------------------------------------------------------
96
97#ifndef _MAXPATHLEN
98 #define _MAXPATHLEN 1024
99#endif
100
101// ----------------------------------------------------------------------------
102// private globals
103// ----------------------------------------------------------------------------
104
105#if WXWIN_COMPATIBILITY_2_8
106static wxChar wxFileFunctionsBuffer[4*_MAXPATHLEN];
107#endif
108
109#if defined(__VISAGECPP__) && __IBMCPP__ >= 400
110//
111// VisualAge C++ V4.0 cannot have any external linkage const decs
112// in headers included by more than one primary source
113//
114const int wxInvalidOffset = -1;
115#endif
116
117// ============================================================================
118// implementation
119// ============================================================================
120
121// ----------------------------------------------------------------------------
122// wrappers around standard POSIX functions
123// ----------------------------------------------------------------------------
124
125#if wxUSE_UNICODE && defined __BORLANDC__ \
126 && __BORLANDC__ >= 0x550 && __BORLANDC__ <= 0x551
127
128// BCC 5.5 and 5.5.1 have a bug in _wopen where files are created read only
129// regardless of the mode parameter. This hack works around the problem by
130// setting the mode with _wchmod.
131//
132int wxCRT_OpenW(const wchar_t *pathname, int flags, mode_t mode)
133{
134 int moreflags = 0;
135
136 // we only want to fix the mode when the file is actually created, so
137 // when creating first try doing it O_EXCL so we can tell if the file
138 // was already there.
139 if ((flags & O_CREAT) && !(flags & O_EXCL) && (mode & wxS_IWUSR) != 0)
140 moreflags = O_EXCL;
141
142 int fd = _wopen(pathname, flags | moreflags, mode);
143
144 // the file was actually created and needs fixing
145 if (fd != -1 && (flags & O_CREAT) != 0 && (mode & wxS_IWUSR) != 0)
146 {
147 close(fd);
148 _wchmod(pathname, mode);
149 fd = _wopen(pathname, flags & ~(O_EXCL | O_CREAT));
150 }
151 // the open failed, but it may have been because the added O_EXCL stopped
152 // the opening of an existing file, so try again without.
153 else if (fd == -1 && moreflags != 0)
154 {
155 fd = _wopen(pathname, flags & ~O_CREAT);
156 }
157
158 return fd;
159}
160
161#endif
162
163// ----------------------------------------------------------------------------
164// wxPathList
165// ----------------------------------------------------------------------------
166
167bool wxPathList::Add(const wxString& path)
168{
169 // add a path separator to force wxFileName to interpret it always as a directory
170 // (i.e. if we are called with '/home/user' we want to consider it a folder and
171 // not, as wxFileName would consider, a filename).
172 wxFileName fn(path + wxFileName::GetPathSeparator());
173
174 // add only normalized relative/absolute paths
175 // NB: we won't do wxPATH_NORM_DOTS in order to avoid problems when trying to
176 // normalize paths which starts with ".." (which can be normalized only if
177 // we use also wxPATH_NORM_ABSOLUTE - which we don't want to use).
178 if (!fn.Normalize(wxPATH_NORM_TILDE|wxPATH_NORM_LONG|wxPATH_NORM_ENV_VARS))
179 return false;
180
181 wxString toadd = fn.GetPath();
182 if (Index(toadd) == wxNOT_FOUND)
183 wxArrayString::Add(toadd); // do not add duplicates
184
185 return true;
186}
187
188void wxPathList::Add(const wxArrayString &arr)
189{
190 for (size_t j=0; j < arr.GetCount(); j++)
191 Add(arr[j]);
192}
193
194// Add paths e.g. from the PATH environment variable
195void wxPathList::AddEnvList (const wxString& WXUNUSED_IN_WINCE(envVariable))
196{
197 // No environment variables on WinCE
198#ifndef __WXWINCE__
199
200 // The space has been removed from the tokenizers, otherwise a
201 // path such as "C:\Program Files" would be split into 2 paths:
202 // "C:\Program" and "Files"; this is true for both Windows and Unix.
203
204 static const wxChar PATH_TOKS[] =
205#if defined(__WINDOWS__) || defined(__OS2__)
206 wxT(";"); // Don't separate with colon in DOS (used for drive)
207#else
208 wxT(":;");
209#endif
210
211 wxString val;
212 if ( wxGetEnv(envVariable, &val) )
213 {
214 // split into an array of string the value of the env var
215 wxArrayString arr = wxStringTokenize(val, PATH_TOKS);
216 WX_APPEND_ARRAY(*this, arr);
217 }
218#endif // !__WXWINCE__
219}
220
221// Given a full filename (with path), ensure that that file can
222// be accessed again USING FILENAME ONLY by adding the path
223// to the list if not already there.
224bool wxPathList::EnsureFileAccessible (const wxString& path)
225{
226 return Add(wxPathOnly(path));
227}
228
229#if WXWIN_COMPATIBILITY_2_6
230bool wxPathList::Member (const wxString& path) const
231{
232 return Index(path) != wxNOT_FOUND;
233}
234#endif
235
236wxString wxPathList::FindValidPath (const wxString& file) const
237{
238 // normalize the given string as it could be a path + a filename
239 // and not only a filename
240 wxFileName fn(file);
241 wxString strend;
242
243 // NB: normalize without making absolute otherwise calling this function with
244 // e.g. "b/c.txt" would result in removing the directory 'b' and the for loop
245 // below would only add to the paths of this list the 'c.txt' part when doing
246 // the existence checks...
247 // NB: we don't use wxPATH_NORM_DOTS here, too (see wxPathList::Add for more info)
248 if (!fn.Normalize(wxPATH_NORM_TILDE|wxPATH_NORM_LONG|wxPATH_NORM_ENV_VARS))
249 return wxEmptyString;
250
251 wxASSERT_MSG(!fn.IsDir(), wxT("Cannot search for directories; only for files"));
252 if (fn.IsAbsolute())
253 strend = fn.GetFullName(); // search for the file name and ignore the path part
254 else
255 strend = fn.GetFullPath();
256
257 for (size_t i=0; i<GetCount(); i++)
258 {
259 wxString strstart = Item(i);
260 if (!strstart.IsEmpty() && strstart.Last() != wxFileName::GetPathSeparator())
261 strstart += wxFileName::GetPathSeparator();
262
263 if (wxFileExists(strstart + strend))
264 return strstart + strend; // Found!
265 }
266
267 return wxEmptyString; // Not found
268}
269
270wxString wxPathList::FindAbsoluteValidPath (const wxString& file) const
271{
272 wxString f = FindValidPath(file);
273 if ( f.empty() || wxIsAbsolutePath(f) )
274 return f;
275
276 wxString buf = ::wxGetCwd();
277
278 if ( !wxEndsWithPathSeparator(buf) )
279 {
280 buf += wxFILE_SEP_PATH;
281 }
282 buf += f;
283
284 return buf;
285}
286
287// ----------------------------------------------------------------------------
288// miscellaneous global functions
289// ----------------------------------------------------------------------------
290
291#if WXWIN_COMPATIBILITY_2_8
292static inline wxChar* MYcopystring(const wxString& s)
293{
294 wxChar* copy = new wxChar[s.length() + 1];
295 return wxStrcpy(copy, s.c_str());
296}
297
298template<typename CharType>
299static inline CharType* MYcopystring(const CharType* s)
300{
301 CharType* copy = new CharType[wxStrlen(s) + 1];
302 return wxStrcpy(copy, s);
303}
304#endif
305
306
307bool
308wxFileExists (const wxString& filename)
309{
310 return wxFileName::FileExists(filename);
311}
312
313bool
314wxIsAbsolutePath (const wxString& filename)
315{
316 if (!filename.empty())
317 {
318 // Unix like or Windows
319 if (filename[0] == wxT('/'))
320 return true;
321#ifdef __VMS__
322 if ((filename[0] == wxT('[') && filename[1] != wxT('.')))
323 return true;
324#endif
325#if defined(__WINDOWS__) || defined(__OS2__)
326 // MSDOS like
327 if (filename[0] == wxT('\\') || (wxIsalpha (filename[0]) && filename[1] == wxT(':')))
328 return true;
329#endif
330 }
331 return false ;
332}
333
334#if WXWIN_COMPATIBILITY_2_8
335/*
336 * Strip off any extension (dot something) from end of file,
337 * IF one exists. Inserts zero into buffer.
338 *
339 */
340
341template<typename T>
342static void wxDoStripExtension(T *buffer)
343{
344 int len = wxStrlen(buffer);
345 int i = len-1;
346 while (i > 0)
347 {
348 if (buffer[i] == wxT('.'))
349 {
350 buffer[i] = 0;
351 break;
352 }
353 i --;
354 }
355}
356
357void wxStripExtension(char *buffer) { wxDoStripExtension(buffer); }
358void wxStripExtension(wchar_t *buffer) { wxDoStripExtension(buffer); }
359
360void wxStripExtension(wxString& buffer)
361{
362 buffer = wxFileName::StripExtension(buffer);
363}
364
365// Destructive removal of /./ and /../ stuff
366template<typename CharType>
367static CharType *wxDoRealPath (CharType *path)
368{
369 static const CharType SEP = wxFILE_SEP_PATH;
370#ifdef __WINDOWS__
371 wxUnix2DosFilename(path);
372#endif
373 if (path[0] && path[1]) {
374 /* MATTHEW: special case "/./x" */
375 CharType *p;
376 if (path[2] == SEP && path[1] == wxT('.'))
377 p = &path[0];
378 else
379 p = &path[2];
380 for (; *p; p++)
381 {
382 if (*p == SEP)
383 {
384 if (p[1] == wxT('.') && p[2] == wxT('.') && (p[3] == SEP || p[3] == wxT('\0')))
385 {
386 CharType *q;
387 for (q = p - 1; q >= path && *q != SEP; q--)
388 {
389 // Empty
390 }
391
392 if (q[0] == SEP && (q[1] != wxT('.') || q[2] != wxT('.') || q[3] != SEP)
393 && (q - 1 <= path || q[-1] != SEP))
394 {
395 wxStrcpy (q, p + 3);
396 if (path[0] == wxT('\0'))
397 {
398 path[0] = SEP;
399 path[1] = wxT('\0');
400 }
401#if defined(__WINDOWS__) || defined(__OS2__)
402 /* Check that path[2] is NULL! */
403 else if (path[1] == wxT(':') && !path[2])
404 {
405 path[2] = SEP;
406 path[3] = wxT('\0');
407 }
408#endif
409 p = q - 1;
410 }
411 }
412 else if (p[1] == wxT('.') && (p[2] == SEP || p[2] == wxT('\0')))
413 wxStrcpy (p, p + 2);
414 }
415 }
416 }
417 return path;
418}
419
420char *wxRealPath(char *path)
421{
422 return wxDoRealPath(path);
423}
424
425wchar_t *wxRealPath(wchar_t *path)
426{
427 return wxDoRealPath(path);
428}
429
430wxString wxRealPath(const wxString& path)
431{
432 wxChar *buf1=MYcopystring(path);
433 wxChar *buf2=wxRealPath(buf1);
434 wxString buf(buf2);
435 delete [] buf1;
436 return buf;
437}
438
439
440// Must be destroyed
441wxChar *wxCopyAbsolutePath(const wxString& filename)
442{
443 if (filename.empty())
444 return NULL;
445
446 if (! wxIsAbsolutePath(wxExpandPath(wxFileFunctionsBuffer, filename)))
447 {
448 wxString buf = ::wxGetCwd();
449 wxChar ch = buf.Last();
450#ifdef __WINDOWS__
451 if (ch != wxT('\\') && ch != wxT('/'))
452 buf << wxT("\\");
453#else
454 if (ch != wxT('/'))
455 buf << wxT("/");
456#endif
457 buf << wxFileFunctionsBuffer;
458 buf = wxRealPath( buf );
459 return MYcopystring( buf );
460 }
461 return MYcopystring( wxFileFunctionsBuffer );
462}
463
464/*-
465 Handles:
466 ~/ => home dir
467 ~user/ => user's home dir
468 If the environment variable a = "foo" and b = "bar" then:
469 Unix:
470 $a => foo
471 $a$b => foobar
472 $a.c => foo.c
473 xxx$a => xxxfoo
474 ${a}! => foo!
475 $(b)! => bar!
476 \$a => \$a
477 MSDOS:
478 $a ==> $a
479 $(a) ==> foo
480 $(a)$b ==> foo$b
481 $(a)$(b)==> foobar
482 test.$$ ==> test.$$
483 */
484
485/* input name in name, pathname output to buf. */
486
487template<typename CharType>
488static CharType *wxDoExpandPath(CharType *buf, const wxString& name)
489{
490 register CharType *d, *s, *nm;
491 CharType lnm[_MAXPATHLEN];
492 int q;
493
494 // Some compilers don't like this line.
495// const CharType trimchars[] = wxT("\n \t");
496
497 CharType trimchars[4];
498 trimchars[0] = wxT('\n');
499 trimchars[1] = wxT(' ');
500 trimchars[2] = wxT('\t');
501 trimchars[3] = 0;
502
503 static const CharType SEP = wxFILE_SEP_PATH;
504#ifdef __WINDOWS__
505 //wxUnix2DosFilename(path);
506#endif
507
508 buf[0] = wxT('\0');
509 if (name.empty())
510 return buf;
511 nm = ::MYcopystring(static_cast<const CharType*>(name.c_str())); // Make a scratch copy
512 CharType *nm_tmp = nm;
513
514 /* Skip leading whitespace and cr */
515 while (wxStrchr(trimchars, *nm) != NULL)
516 nm++;
517 /* And strip off trailing whitespace and cr */
518 s = nm + (q = wxStrlen(nm)) - 1;
519 while (q-- && wxStrchr(trimchars, *s) != NULL)
520 *s = wxT('\0');
521
522 s = nm;
523 d = lnm;
524#ifdef __WINDOWS__
525 q = FALSE;
526#else
527 q = nm[0] == wxT('\\') && nm[1] == wxT('~');
528#endif
529
530 /* Expand inline environment variables */
531#ifdef __VISAGECPP__
532 while (*d)
533 {
534 *d++ = *s;
535 if(*s == wxT('\\'))
536 {
537 *(d - 1) = *++s;
538 if (*d)
539 {
540 s++;
541 continue;
542 }
543 else
544 break;
545 }
546 else
547#else
548 while ((*d++ = *s) != 0) {
549# ifndef __WINDOWS__
550 if (*s == wxT('\\')) {
551 if ((*(d - 1) = *++s)!=0) {
552 s++;
553 continue;
554 } else
555 break;
556 } else
557# endif
558#endif
559 // No env variables on WinCE
560#ifndef __WXWINCE__
561#ifdef __WINDOWS__
562 if (*s++ == wxT('$') && (*s == wxT('{') || *s == wxT(')')))
563#else
564 if (*s++ == wxT('$'))
565#endif
566 {
567 register CharType *start = d;
568 register int braces = (*s == wxT('{') || *s == wxT('('));
569 register CharType *value;
570 while ((*d++ = *s) != 0)
571 if (braces ? (*s == wxT('}') || *s == wxT(')')) : !(wxIsalnum(*s) || *s == wxT('_')) )
572 break;
573 else
574 s++;
575 *--d = 0;
576 value = wxGetenv(braces ? start + 1 : start);
577 if (value) {
578 for ((d = start - 1); (*d++ = *value++) != 0;)
579 {
580 // Empty
581 }
582
583 d--;
584 if (braces && *s)
585 s++;
586 }
587 }
588#endif
589 // __WXWINCE__
590 }
591
592 /* Expand ~ and ~user */
593 wxString homepath;
594 nm = lnm;
595 if (nm[0] == wxT('~') && !q)
596 {
597 /* prefix ~ */
598 if (nm[1] == SEP || nm[1] == 0)
599 { /* ~/filename */
600 homepath = wxGetUserHome(wxEmptyString);
601 if (!homepath.empty()) {
602 s = (CharType*)(const CharType*)homepath.c_str();
603 if (*++nm)
604 nm++;
605 }
606 } else
607 { /* ~user/filename */
608 register CharType *nnm;
609 for (s = nm; *s && *s != SEP; s++)
610 {
611 // Empty
612 }
613 int was_sep; /* MATTHEW: Was there a separator, or NULL? */
614 was_sep = (*s == SEP);
615 nnm = *s ? s + 1 : s;
616 *s = 0;
617 homepath = wxGetUserHome(wxString(nm + 1));
618 if (homepath.empty())
619 {
620 if (was_sep) /* replace only if it was there: */
621 *s = SEP;
622 s = NULL;
623 }
624 else
625 {
626 nm = nnm;
627 s = (CharType*)(const CharType*)homepath.c_str();
628 }
629 }
630 }
631
632 d = buf;
633 if (s && *s) { /* MATTHEW: s could be NULL if user '~' didn't exist */
634 /* Copy home dir */
635 while (wxT('\0') != (*d++ = *s++))
636 /* loop */;
637 // Handle root home
638 if (d - 1 > buf && *(d - 2) != SEP)
639 *(d - 1) = SEP;
640 }
641 s = nm;
642 while ((*d++ = *s++) != 0)
643 {
644 // Empty
645 }
646 delete[] nm_tmp; // clean up alloc
647 /* Now clean up the buffer */
648 return wxRealPath(buf);
649}
650
651char *wxExpandPath(char *buf, const wxString& name)
652{
653 return wxDoExpandPath(buf, name);
654}
655
656wchar_t *wxExpandPath(wchar_t *buf, const wxString& name)
657{
658 return wxDoExpandPath(buf, name);
659}
660
661
662/* Contract Paths to be build upon an environment variable
663 component:
664
665 example: "/usr/openwin/lib", OPENWINHOME --> ${OPENWINHOME}/lib
666
667 The call wxExpandPath can convert these back!
668 */
669wxChar *
670wxContractPath (const wxString& filename,
671 const wxString& WXUNUSED_IN_WINCE(envname),
672 const wxString& user)
673{
674 static wxChar dest[_MAXPATHLEN];
675
676 if (filename.empty())
677 return NULL;
678
679 wxStrcpy (dest, filename);
680#ifdef __WINDOWS__
681 wxUnix2DosFilename(dest);
682#endif
683
684 // Handle environment
685 wxString val;
686#ifndef __WXWINCE__
687 wxChar *tcp;
688 if (!envname.empty() && !(val = wxGetenv (envname)).empty() &&
689 (tcp = wxStrstr (dest, val)) != NULL)
690 {
691 wxStrcpy (wxFileFunctionsBuffer, tcp + val.length());
692 *tcp++ = wxT('$');
693 *tcp++ = wxT('{');
694 wxStrcpy (tcp, envname);
695 wxStrcat (tcp, wxT("}"));
696 wxStrcat (tcp, wxFileFunctionsBuffer);
697 }
698#endif
699
700 // Handle User's home (ignore root homes!)
701 val = wxGetUserHome (user);
702 if (val.empty())
703 return dest;
704
705 const size_t len = val.length();
706 if (len <= 2)
707 return dest;
708
709 if (wxStrncmp(dest, val, len) == 0)
710 {
711 wxStrcpy(wxFileFunctionsBuffer, wxT("~"));
712 if (!user.empty())
713 wxStrcat(wxFileFunctionsBuffer, user);
714 wxStrcat(wxFileFunctionsBuffer, dest + len);
715 wxStrcpy (dest, wxFileFunctionsBuffer);
716 }
717
718 return dest;
719}
720
721#endif // #if WXWIN_COMPATIBILITY_2_8
722
723// Return just the filename, not the path (basename)
724wxChar *wxFileNameFromPath (wxChar *path)
725{
726 wxString p = path;
727 wxString n = wxFileNameFromPath(p);
728
729 return path + p.length() - n.length();
730}
731
732wxString wxFileNameFromPath (const wxString& path)
733{
734 return wxFileName(path).GetFullName();
735}
736
737// Return just the directory, or NULL if no directory
738wxChar *
739wxPathOnly (wxChar *path)
740{
741 if (path && *path)
742 {
743 static wxChar buf[_MAXPATHLEN];
744
745 int l = wxStrlen(path);
746 int i = l - 1;
747 if ( i >= _MAXPATHLEN )
748 return NULL;
749
750 // Local copy
751 wxStrcpy (buf, path);
752
753 // Search backward for a backward or forward slash
754 while (i > -1)
755 {
756 // Unix like or Windows
757 if (path[i] == wxT('/') || path[i] == wxT('\\'))
758 {
759 buf[i] = 0;
760 return buf;
761 }
762#ifdef __VMS__
763 if (path[i] == wxT(']'))
764 {
765 buf[i+1] = 0;
766 return buf;
767 }
768#endif
769 i --;
770 }
771
772#if defined(__WINDOWS__) || defined(__OS2__)
773 // Try Drive specifier
774 if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
775 {
776 // A:junk --> A:. (since A:.\junk Not A:\junk)
777 buf[2] = wxT('.');
778 buf[3] = wxT('\0');
779 return buf;
780 }
781#endif
782 }
783 return NULL;
784}
785
786// Return just the directory, or NULL if no directory
787wxString wxPathOnly (const wxString& path)
788{
789 if (!path.empty())
790 {
791 wxChar buf[_MAXPATHLEN];
792
793 int l = path.length();
794 int i = l - 1;
795
796 if ( i >= _MAXPATHLEN )
797 return wxString();
798
799 // Local copy
800 wxStrcpy(buf, path);
801
802 // Search backward for a backward or forward slash
803 while (i > -1)
804 {
805 // Unix like or Windows
806 if (path[i] == wxT('/') || path[i] == wxT('\\'))
807 {
808 // Don't return an empty string
809 if (i == 0)
810 i ++;
811 buf[i] = 0;
812 return wxString(buf);
813 }
814#ifdef __VMS__
815 if (path[i] == wxT(']'))
816 {
817 buf[i+1] = 0;
818 return wxString(buf);
819 }
820#endif
821 i --;
822 }
823
824#if defined(__WINDOWS__) || defined(__OS2__)
825 // Try Drive specifier
826 if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
827 {
828 // A:junk --> A:. (since A:.\junk Not A:\junk)
829 buf[2] = wxT('.');
830 buf[3] = wxT('\0');
831 return wxString(buf);
832 }
833#endif
834 }
835 return wxEmptyString;
836}
837
838// Utility for converting delimiters in DOS filenames to UNIX style
839// and back again - or we get nasty problems with delimiters.
840// Also, convert to lower case, since case is significant in UNIX.
841
842#if defined(__WXMAC__) && !defined(__WXOSX_IPHONE__)
843
844#define kDefaultPathStyle kCFURLPOSIXPathStyle
845
846wxString wxMacFSRefToPath( const FSRef *fsRef , CFStringRef additionalPathComponent )
847{
848 CFURLRef fullURLRef;
849 fullURLRef = CFURLCreateFromFSRef(NULL, fsRef);
850 if ( fullURLRef == NULL)
851 return wxEmptyString;
852
853 if ( additionalPathComponent )
854 {
855 CFURLRef parentURLRef = fullURLRef ;
856 fullURLRef = CFURLCreateCopyAppendingPathComponent(NULL, parentURLRef,
857 additionalPathComponent,false);
858 CFRelease( parentURLRef ) ;
859 }
860 wxCFStringRef cfString( CFURLCopyFileSystemPath(fullURLRef, kDefaultPathStyle ));
861 CFRelease( fullURLRef ) ;
862
863 return wxCFStringRef::AsStringWithNormalizationFormC(cfString);
864}
865
866OSStatus wxMacPathToFSRef( const wxString&path , FSRef *fsRef )
867{
868 OSStatus err = noErr ;
869 CFMutableStringRef cfMutableString = CFStringCreateMutableCopy(NULL, 0, wxCFStringRef(path));
870 CFStringNormalize(cfMutableString,kCFStringNormalizationFormD);
871 CFURLRef url = CFURLCreateWithFileSystemPath(kCFAllocatorDefault, cfMutableString , kDefaultPathStyle, false);
872 CFRelease( cfMutableString );
873 if ( NULL != url )
874 {
875 if ( CFURLGetFSRef(url, fsRef) == false )
876 err = fnfErr ;
877 CFRelease( url ) ;
878 }
879 else
880 {
881 err = fnfErr ;
882 }
883 return err ;
884}
885
886wxString wxMacHFSUniStrToString( ConstHFSUniStr255Param uniname )
887{
888 wxCFStringRef cfname( CFStringCreateWithCharacters( kCFAllocatorDefault,
889 uniname->unicode,
890 uniname->length ) );
891 return wxCFStringRef::AsStringWithNormalizationFormC(cfname);
892}
893
894#ifndef __LP64__
895
896wxString wxMacFSSpec2MacFilename( const FSSpec *spec )
897{
898 FSRef fsRef ;
899 if ( FSpMakeFSRef( spec , &fsRef) == noErr )
900 {
901 return wxMacFSRefToPath( &fsRef ) ;
902 }
903 return wxEmptyString ;
904}
905
906void wxMacFilename2FSSpec( const wxString& path , FSSpec *spec )
907{
908 OSStatus err = noErr;
909 FSRef fsRef;
910 wxMacPathToFSRef( path , &fsRef );
911 err = FSGetCatalogInfo(&fsRef, kFSCatInfoNone, NULL, NULL, spec, NULL);
912 verify_noerr( err );
913}
914#endif
915
916#endif // __WXMAC__
917
918
919#if WXWIN_COMPATIBILITY_2_8
920
921template<typename T>
922static void wxDoDos2UnixFilename(T *s)
923{
924 if (s)
925 while (*s)
926 {
927 if (*s == wxT('\\'))
928 *s = wxT('/');
929#ifdef __WINDOWS__
930 else
931 *s = wxTolower(*s); // Case INDEPENDENT
932#endif
933 s++;
934 }
935}
936
937void wxDos2UnixFilename(char *s) { wxDoDos2UnixFilename(s); }
938void wxDos2UnixFilename(wchar_t *s) { wxDoDos2UnixFilename(s); }
939
940template<typename T>
941static void
942#if defined(__WINDOWS__) || defined(__OS2__)
943wxDoUnix2DosFilename(T *s)
944#else
945wxDoUnix2DosFilename(T *WXUNUSED(s) )
946#endif
947{
948// Yes, I really mean this to happen under DOS only! JACS
949#if defined(__WINDOWS__) || defined(__OS2__)
950 if (s)
951 while (*s)
952 {
953 if (*s == wxT('/'))
954 *s = wxT('\\');
955 s++;
956 }
957#endif
958}
959
960void wxUnix2DosFilename(char *s) { wxDoUnix2DosFilename(s); }
961void wxUnix2DosFilename(wchar_t *s) { wxDoUnix2DosFilename(s); }
962
963#endif // #if WXWIN_COMPATIBILITY_2_8
964
965// Concatenate two files to form third
966bool
967wxConcatFiles (const wxString& file1, const wxString& file2, const wxString& file3)
968{
969#if wxUSE_FILE
970
971 wxFile in1(file1), in2(file2);
972 wxTempFile out(file3);
973
974 if ( !in1.IsOpened() || !in2.IsOpened() || !out.IsOpened() )
975 return false;
976
977 ssize_t ofs;
978 unsigned char buf[1024];
979
980 for( int i=0; i<2; i++)
981 {
982 wxFile *in = i==0 ? &in1 : &in2;
983 do{
984 if ( (ofs = in->Read(buf,WXSIZEOF(buf))) == wxInvalidOffset ) return false;
985 if ( ofs > 0 )
986 if ( !out.Write(buf,ofs) )
987 return false;
988 } while ( ofs == (ssize_t)WXSIZEOF(buf) );
989 }
990
991 return out.Commit();
992
993#else
994
995 wxUnusedVar(file1);
996 wxUnusedVar(file2);
997 wxUnusedVar(file3);
998 return false;
999
1000#endif
1001}
1002
1003// helper of generic implementation of wxCopyFile()
1004#if !(defined(__WIN32__) || defined(__OS2__)) && wxUSE_FILE
1005
1006static bool
1007wxDoCopyFile(wxFile& fileIn,
1008 const wxStructStat& fbuf,
1009 const wxString& filenameDst,
1010 bool overwrite)
1011{
1012 // reset the umask as we want to create the file with exactly the same
1013 // permissions as the original one
1014 wxCHANGE_UMASK(0);
1015
1016 // create file2 with the same permissions than file1 and open it for
1017 // writing
1018
1019 wxFile fileOut;
1020 if ( !fileOut.Create(filenameDst, overwrite, fbuf.st_mode & 0777) )
1021 return false;
1022
1023 // copy contents of file1 to file2
1024 char buf[4096];
1025 for ( ;; )
1026 {
1027 ssize_t count = fileIn.Read(buf, WXSIZEOF(buf));
1028 if ( count == wxInvalidOffset )
1029 return false;
1030
1031 // end of file?
1032 if ( !count )
1033 break;
1034
1035 if ( fileOut.Write(buf, count) < (size_t)count )
1036 return false;
1037 }
1038
1039 // we can expect fileIn to be closed successfully, but we should ensure
1040 // that fileOut was closed as some write errors (disk full) might not be
1041 // detected before doing this
1042 return fileIn.Close() && fileOut.Close();
1043}
1044
1045#endif // generic implementation of wxCopyFile
1046
1047// Copy files
1048bool
1049wxCopyFile (const wxString& file1, const wxString& file2, bool overwrite)
1050{
1051#if defined(__WIN32__) && !defined(__WXMICROWIN__)
1052 // CopyFile() copies file attributes and modification time too, so use it
1053 // instead of our code if available
1054 //
1055 // NB: 3rd parameter is bFailIfExists i.e. the inverse of overwrite
1056 if ( !::CopyFile(file1.t_str(), file2.t_str(), !overwrite) )
1057 {
1058 wxLogSysError(_("Failed to copy the file '%s' to '%s'"),
1059 file1.c_str(), file2.c_str());
1060
1061 return false;
1062 }
1063#elif defined(__OS2__)
1064 if ( ::DosCopy(file1.c_str(), file2.c_str(), overwrite ? DCPY_EXISTING : 0) != 0 )
1065 return false;
1066#elif wxUSE_FILE // !Win32
1067
1068 wxStructStat fbuf;
1069 // get permissions of file1
1070 if ( wxStat( file1, &fbuf) != 0 )
1071 {
1072 // the file probably doesn't exist or we haven't the rights to read
1073 // from it anyhow
1074 wxLogSysError(_("Impossible to get permissions for file '%s'"),
1075 file1.c_str());
1076 return false;
1077 }
1078
1079 // open file1 for reading
1080 wxFile fileIn(file1, wxFile::read);
1081 if ( !fileIn.IsOpened() )
1082 return false;
1083
1084 // remove file2, if it exists. This is needed for creating
1085 // file2 with the correct permissions in the next step
1086 if ( wxFileExists(file2) && (!overwrite || !wxRemoveFile(file2)))
1087 {
1088 wxLogSysError(_("Impossible to overwrite the file '%s'"),
1089 file2.c_str());
1090 return false;
1091 }
1092
1093 wxDoCopyFile(fileIn, fbuf, file2, overwrite);
1094
1095#if defined(__WXMAC__) || defined(__WXCOCOA__)
1096 // copy the resource fork of the file too if it's present
1097 wxString pathRsrcOut;
1098 wxFile fileRsrcIn;
1099
1100 {
1101 // suppress error messages from this block as resource forks don't have
1102 // to exist
1103 wxLogNull noLog;
1104
1105 // it's not enough to check for file existence: it always does on HFS
1106 // but is empty for files without resources
1107 if ( fileRsrcIn.Open(file1 + wxT("/..namedfork/rsrc")) &&
1108 fileRsrcIn.Length() > 0 )
1109 {
1110 // we must be using HFS or another filesystem with resource fork
1111 // support, suppose that destination file system also is HFS[-like]
1112 pathRsrcOut = file2 + wxT("/..namedfork/rsrc");
1113 }
1114 else // check if we have resource fork in separate file (non-HFS case)
1115 {
1116 wxFileName fnRsrc(file1);
1117 fnRsrc.SetName(wxT("._") + fnRsrc.GetName());
1118
1119 fileRsrcIn.Close();
1120 if ( fileRsrcIn.Open( fnRsrc.GetFullPath() ) )
1121 {
1122 fnRsrc = file2;
1123 fnRsrc.SetName(wxT("._") + fnRsrc.GetName());
1124
1125 pathRsrcOut = fnRsrc.GetFullPath();
1126 }
1127 }
1128 }
1129
1130 if ( !pathRsrcOut.empty() )
1131 {
1132 if ( !wxDoCopyFile(fileRsrcIn, fbuf, pathRsrcOut, overwrite) )
1133 return false;
1134 }
1135#endif // wxMac || wxCocoa
1136
1137#if !defined(__VISAGECPP__) && !defined(__WXMAC__) || defined(__UNIX__)
1138 // no chmod in VA. Should be some permission API for HPFS386 partitions
1139 // however
1140 if ( chmod(file2.fn_str(), fbuf.st_mode) != 0 )
1141 {
1142 wxLogSysError(_("Impossible to set permissions for the file '%s'"),
1143 file2.c_str());
1144 return false;
1145 }
1146#endif // OS/2 || Mac
1147
1148#else // !Win32 && ! wxUSE_FILE
1149
1150 // impossible to simulate with wxWidgets API
1151 wxUnusedVar(file1);
1152 wxUnusedVar(file2);
1153 wxUnusedVar(overwrite);
1154 return false;
1155
1156#endif // __WINDOWS__ && __WIN32__
1157
1158 return true;
1159}
1160
1161bool
1162wxRenameFile(const wxString& file1, const wxString& file2, bool overwrite)
1163{
1164 if ( !overwrite && wxFileExists(file2) )
1165 {
1166 wxLogSysError
1167 (
1168 _("Failed to rename the file '%s' to '%s' because the destination file already exists."),
1169 file1.c_str(), file2.c_str()
1170 );
1171
1172 return false;
1173 }
1174
1175#if !defined(__WXWINCE__)
1176 // Normal system call
1177 if ( wxRename (file1, file2) == 0 )
1178 return true;
1179#endif
1180
1181 // Try to copy
1182 if (wxCopyFile(file1, file2, overwrite)) {
1183 wxRemoveFile(file1);
1184 return true;
1185 }
1186 // Give up
1187 wxLogSysError(_("File '%s' couldn't be renamed '%s'"), file1, file2);
1188 return false;
1189}
1190
1191bool wxRemoveFile(const wxString& file)
1192{
1193#if defined(__VISUALC__) \
1194 || defined(__BORLANDC__) \
1195 || defined(__WATCOMC__) \
1196 || defined(__DMC__) \
1197 || defined(__GNUWIN32__)
1198 int res = wxRemove(file);
1199#elif defined(__WXMAC__)
1200 int res = unlink(file.fn_str());
1201#else
1202 int res = unlink(file.fn_str());
1203#endif
1204 if ( res )
1205 {
1206 wxLogSysError(_("File '%s' couldn't be removed"), file);
1207 }
1208 return res == 0;
1209}
1210
1211bool wxMkdir(const wxString& dir, int perm)
1212{
1213#if defined(__WXMAC__) && !defined(__UNIX__)
1214 if ( mkdir(dir.fn_str(), 0) != 0 )
1215
1216 // assume mkdir() has 2 args on non Windows-OS/2 platforms and on Windows too
1217 // for the GNU compiler
1218#elif (!(defined(__WINDOWS__) || defined(__OS2__) || defined(__DOS__))) || \
1219 (defined(__GNUWIN32__) && !defined(__MINGW32__)) || \
1220 defined(__WINE__) || defined(__WXMICROWIN__)
1221 const wxChar *dirname = dir.c_str();
1222 #if defined(MSVCRT)
1223 wxUnusedVar(perm);
1224 if ( mkdir(wxFNCONV(dirname)) != 0 )
1225 #else
1226 if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1227 #endif
1228#elif defined(__OS2__)
1229 wxUnusedVar(perm);
1230 if (::DosCreateDir(dir.c_str(), NULL) != 0) // enhance for EAB's??
1231#elif defined(__DOS__)
1232 const wxChar *dirname = dir.c_str();
1233 #if defined(__WATCOMC__)
1234 (void)perm;
1235 if ( wxMkDir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
1236 #elif defined(__DJGPP__)
1237 if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1238 #else
1239 #error "Unsupported DOS compiler!"
1240 #endif
1241#else // !MSW, !DOS and !OS/2 VAC++
1242 wxUnusedVar(perm);
1243 #ifdef __WXWINCE__
1244 if ( CreateDirectory(dir.fn_str(), NULL) == 0 )
1245 #else
1246 if ( wxMkDir(dir.fn_str()) != 0 )
1247 #endif
1248#endif // !MSW/MSW
1249 {
1250 wxLogSysError(_("Directory '%s' couldn't be created"), dir);
1251 return false;
1252 }
1253
1254 return true;
1255}
1256
1257bool wxRmdir(const wxString& dir, int WXUNUSED(flags))
1258{
1259#if defined(__VMS__)
1260 return false; //to be changed since rmdir exists in VMS7.x
1261#else
1262 #if defined(__OS2__)
1263 if ( ::DosDeleteDir(dir.c_str()) != 0 )
1264 #elif defined(__WXWINCE__)
1265 if ( RemoveDirectory(dir.fn_str()) == 0 )
1266 #else
1267 if ( wxRmDir(dir.fn_str()) != 0 )
1268 #endif
1269 {
1270 wxLogSysError(_("Directory '%s' couldn't be deleted"), dir);
1271 return false;
1272 }
1273
1274 return true;
1275#endif
1276}
1277
1278// does the path exists? (may have or not '/' or '\\' at the end)
1279bool wxDirExists(const wxString& pathName)
1280{
1281 return wxFileName::DirExists(pathName);
1282}
1283
1284#if WXWIN_COMPATIBILITY_2_8
1285
1286// Get a temporary filename, opening and closing the file.
1287wxChar *wxGetTempFileName(const wxString& prefix, wxChar *buf)
1288{
1289 wxString filename;
1290 if ( !wxGetTempFileName(prefix, filename) )
1291 return NULL;
1292
1293 if ( buf )
1294 wxStrcpy(buf, filename);
1295 else
1296 buf = MYcopystring(filename);
1297
1298 return buf;
1299}
1300
1301bool wxGetTempFileName(const wxString& prefix, wxString& buf)
1302{
1303#if wxUSE_FILE
1304 buf = wxFileName::CreateTempFileName(prefix);
1305
1306 return !buf.empty();
1307#else // !wxUSE_FILE
1308 wxUnusedVar(prefix);
1309 wxUnusedVar(buf);
1310
1311 return false;
1312#endif // wxUSE_FILE/!wxUSE_FILE
1313}
1314
1315#endif // #if WXWIN_COMPATIBILITY_2_8
1316
1317// Get first file name matching given wild card.
1318
1319static wxDir *gs_dir = NULL;
1320static wxString gs_dirPath;
1321
1322wxString wxFindFirstFile(const wxString& spec, int flags)
1323{
1324 wxFileName::SplitPath(spec, &gs_dirPath, NULL, NULL);
1325 if ( gs_dirPath.empty() )
1326 gs_dirPath = wxT(".");
1327 if ( !wxEndsWithPathSeparator(gs_dirPath ) )
1328 gs_dirPath << wxFILE_SEP_PATH;
1329
1330 delete gs_dir; // can be NULL, this is ok
1331 gs_dir = new wxDir(gs_dirPath);
1332
1333 if ( !gs_dir->IsOpened() )
1334 {
1335 wxLogSysError(_("Cannot enumerate files '%s'"), spec);
1336 return wxEmptyString;
1337 }
1338
1339 int dirFlags;
1340 switch (flags)
1341 {
1342 case wxDIR: dirFlags = wxDIR_DIRS; break;
1343 case wxFILE: dirFlags = wxDIR_FILES; break;
1344 default: dirFlags = wxDIR_DIRS | wxDIR_FILES; break;
1345 }
1346
1347 wxString result;
1348 gs_dir->GetFirst(&result, wxFileNameFromPath(spec), dirFlags);
1349 if ( result.empty() )
1350 {
1351 wxDELETE(gs_dir);
1352 return result;
1353 }
1354
1355 return gs_dirPath + result;
1356}
1357
1358wxString wxFindNextFile()
1359{
1360 wxCHECK_MSG( gs_dir, "", "You must call wxFindFirstFile before!" );
1361
1362 wxString result;
1363 if ( !gs_dir->GetNext(&result) || result.empty() )
1364 {
1365 wxDELETE(gs_dir);
1366 return result;
1367 }
1368
1369 return gs_dirPath + result;
1370}
1371
1372
1373// Get current working directory.
1374// If buf is NULL, allocates space using new, else copies into buf.
1375// wxGetWorkingDirectory() is obsolete, use wxGetCwd()
1376// wxDoGetCwd() is their common core to be moved
1377// to wxGetCwd() once wxGetWorkingDirectory() will be removed.
1378// Do not expose wxDoGetCwd in headers!
1379
1380wxChar *wxDoGetCwd(wxChar *buf, int sz)
1381{
1382#if defined(__WXWINCE__)
1383 // TODO
1384 if(buf && sz>0) buf[0] = wxT('\0');
1385 return buf;
1386#else
1387 if ( !buf )
1388 {
1389 buf = new wxChar[sz + 1];
1390 }
1391
1392 bool ok = false;
1393
1394 // for the compilers which have Unicode version of _getcwd(), call it
1395 // directly, for the others call the ANSI version and do the translation
1396#if !wxUSE_UNICODE
1397 #define cbuf buf
1398#else // wxUSE_UNICODE
1399 bool needsANSI = true;
1400
1401 #if !defined(HAVE_WGETCWD) || wxUSE_UNICODE_MSLU
1402 char cbuf[_MAXPATHLEN];
1403 #endif
1404
1405 #ifdef HAVE_WGETCWD
1406 #if wxUSE_UNICODE_MSLU
1407 if ( wxGetOsVersion() != wxOS_WINDOWS_9X )
1408 #else
1409 char *cbuf = NULL; // never really used because needsANSI will always be false
1410 #endif
1411 {
1412 ok = _wgetcwd(buf, sz) != NULL;
1413 needsANSI = false;
1414 }
1415 #endif
1416
1417 if ( needsANSI )
1418#endif // wxUSE_UNICODE
1419 {
1420 #if defined(_MSC_VER) || defined(__MINGW32__)
1421 ok = _getcwd(cbuf, sz) != NULL;
1422 #elif defined(__OS2__)
1423 APIRET rc;
1424 ULONG ulDriveNum = 0;
1425 ULONG ulDriveMap = 0;
1426 rc = ::DosQueryCurrentDisk(&ulDriveNum, &ulDriveMap);
1427 ok = rc == 0;
1428 if (ok)
1429 {
1430 sz -= 3;
1431 rc = ::DosQueryCurrentDir( 0 // current drive
1432 ,(PBYTE)cbuf + 3
1433 ,(PULONG)&sz
1434 );
1435 cbuf[0] = char('A' + (ulDriveNum - 1));
1436 cbuf[1] = ':';
1437 cbuf[2] = '\\';
1438 ok = rc == 0;
1439 }
1440 #else // !Win32/VC++ !Mac !OS2
1441 ok = getcwd(cbuf, sz) != NULL;
1442 #endif // platform
1443
1444 #if wxUSE_UNICODE
1445 // finally convert the result to Unicode if needed
1446 wxConvFile.MB2WC(buf, cbuf, sz);
1447 #endif // wxUSE_UNICODE
1448 }
1449
1450 if ( !ok )
1451 {
1452 wxLogSysError(_("Failed to get the working directory"));
1453
1454 // VZ: the old code used to return "." on error which didn't make any
1455 // sense at all to me - empty string is a better error indicator
1456 // (NULL might be even better but I'm afraid this could lead to
1457 // problems with the old code assuming the return is never NULL)
1458 buf[0] = wxT('\0');
1459 }
1460 else // ok, but we might need to massage the path into the right format
1461 {
1462#ifdef __DJGPP__
1463 // VS: DJGPP is a strange mix of DOS and UNIX API and returns paths
1464 // with / deliminers. We don't like that.
1465 for (wxChar *ch = buf; *ch; ch++)
1466 {
1467 if (*ch == wxT('/'))
1468 *ch = wxT('\\');
1469 }
1470#endif // __DJGPP__
1471
1472// MBN: we hope that in the case the user is compiling a GTK+/Motif app,
1473// he needs Unix as opposed to Win32 pathnames
1474#if defined( __CYGWIN__ ) && defined( __WINDOWS__ )
1475 // another example of DOS/Unix mix (Cygwin)
1476 wxString pathUnix = buf;
1477#if wxUSE_UNICODE
1478 #if CYGWIN_VERSION_DLL_MAJOR >= 1007
1479 cygwin_conv_path(CCP_POSIX_TO_WIN_W, pathUnix.mb_str(wxConvFile), buf, sz);
1480 #else
1481 char bufA[_MAXPATHLEN];
1482 cygwin_conv_to_full_win32_path(pathUnix.mb_str(wxConvFile), bufA);
1483 wxConvFile.MB2WC(buf, bufA, sz);
1484 #endif
1485#else
1486 #if CYGWIN_VERSION_DLL_MAJOR >= 1007
1487 cygwin_conv_path(CCP_POSIX_TO_WIN_A, pathUnix, buf, sz);
1488 #else
1489 cygwin_conv_to_full_win32_path(pathUnix, buf);
1490 #endif
1491#endif // wxUSE_UNICODE
1492#endif // __CYGWIN__
1493 }
1494
1495 return buf;
1496
1497#if !wxUSE_UNICODE
1498 #undef cbuf
1499#endif
1500
1501#endif
1502 // __WXWINCE__
1503}
1504
1505#if WXWIN_COMPATIBILITY_2_6
1506wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
1507{
1508 return wxDoGetCwd(buf,sz);
1509}
1510#endif // WXWIN_COMPATIBILITY_2_6
1511
1512wxString wxGetCwd()
1513{
1514 wxString str;
1515 wxDoGetCwd(wxStringBuffer(str, _MAXPATHLEN), _MAXPATHLEN);
1516 return str;
1517}
1518
1519bool wxSetWorkingDirectory(const wxString& d)
1520{
1521 bool success = false;
1522#if defined(__OS2__)
1523 if (d[1] == ':')
1524 {
1525 ::DosSetDefaultDisk(wxToupper(d[0]) - wxT('A') + 1);
1526 // do not call DosSetCurrentDir when just changing drive,
1527 // since it requires e.g. "d:." instead of "d:"!
1528 if (d.length() == 2)
1529 return true;
1530 }
1531 success = (::DosSetCurrentDir(d.c_str()) == 0);
1532#elif defined(__UNIX__) || defined(__WXMAC__) || defined(__DOS__)
1533 success = (chdir(wxFNSTRINGCAST d.fn_str()) == 0);
1534#elif defined(__WINDOWS__)
1535
1536#ifdef __WIN32__
1537#ifdef __WXWINCE__
1538 // No equivalent in WinCE
1539 wxUnusedVar(d);
1540#else
1541 success = (SetCurrentDirectory(d.t_str()) != 0);
1542#endif
1543#else
1544 // Must change drive, too.
1545 bool isDriveSpec = ((strlen(d) > 1) && (d[1] == ':'));
1546 if (isDriveSpec)
1547 {
1548 wxChar firstChar = d[0];
1549
1550 // To upper case
1551 if (firstChar > 90)
1552 firstChar = firstChar - 32;
1553
1554 // To a drive number
1555 unsigned int driveNo = firstChar - 64;
1556 if (driveNo > 0)
1557 {
1558 unsigned int noDrives;
1559 _dos_setdrive(driveNo, &noDrives);
1560 }
1561 }
1562 success = (chdir(WXSTRINGCAST d) == 0);
1563#endif
1564
1565#endif
1566 if ( !success )
1567 {
1568 wxLogSysError(_("Could not set current working directory"));
1569 }
1570 return success;
1571}
1572
1573// Get the OS directory if appropriate (such as the Windows directory).
1574// On non-Windows platform, probably just return the empty string.
1575wxString wxGetOSDirectory()
1576{
1577#ifdef __WXWINCE__
1578 return wxString(wxT("\\Windows"));
1579#elif defined(__WINDOWS__) && !defined(__WXMICROWIN__)
1580 wxChar buf[MAX_PATH];
1581 if ( !GetWindowsDirectory(buf, MAX_PATH) )
1582 {
1583 wxLogLastError(wxS("GetWindowsDirectory"));
1584 }
1585
1586 return wxString(buf);
1587#elif defined(__WXMAC__) && wxOSX_USE_CARBON
1588 return wxMacFindFolderNoSeparator(kOnSystemDisk, 'macs', false);
1589#else
1590 return wxEmptyString;
1591#endif
1592}
1593
1594bool wxEndsWithPathSeparator(const wxString& filename)
1595{
1596 return !filename.empty() && wxIsPathSeparator(filename.Last());
1597}
1598
1599// find a file in a list of directories, returns false if not found
1600bool wxFindFileInPath(wxString *pStr, const wxString& szPath, const wxString& szFile)
1601{
1602 // we assume that it's not empty
1603 wxCHECK_MSG( !szFile.empty(), false,
1604 wxT("empty file name in wxFindFileInPath"));
1605
1606 // skip path separator in the beginning of the file name if present
1607 wxString szFile2;
1608 if ( wxIsPathSeparator(szFile[0u]) )
1609 szFile2 = szFile.Mid(1);
1610 else
1611 szFile2 = szFile;
1612
1613 wxStringTokenizer tkn(szPath, wxPATH_SEP);
1614
1615 while ( tkn.HasMoreTokens() )
1616 {
1617 wxString strFile = tkn.GetNextToken();
1618 if ( !wxEndsWithPathSeparator(strFile) )
1619 strFile += wxFILE_SEP_PATH;
1620 strFile += szFile2;
1621
1622 if ( wxFileExists(strFile) )
1623 {
1624 *pStr = strFile;
1625 return true;
1626 }
1627 }
1628
1629 return false;
1630}
1631
1632#if WXWIN_COMPATIBILITY_2_8
1633void WXDLLIMPEXP_BASE wxSplitPath(const wxString& fileName,
1634 wxString *pstrPath,
1635 wxString *pstrName,
1636 wxString *pstrExt)
1637{
1638 wxFileName::SplitPath(fileName, pstrPath, pstrName, pstrExt);
1639}
1640#endif // #if WXWIN_COMPATIBILITY_2_8
1641
1642#if wxUSE_DATETIME
1643
1644time_t WXDLLIMPEXP_BASE wxFileModificationTime(const wxString& filename)
1645{
1646 wxDateTime mtime;
1647 if ( !wxFileName(filename).GetTimes(NULL, &mtime, NULL) )
1648 return (time_t)-1;
1649
1650 return mtime.GetTicks();
1651}
1652
1653#endif // wxUSE_DATETIME
1654
1655
1656// Parses the filterStr, returning the number of filters.
1657// Returns 0 if none or if there's a problem.
1658// filterStr is in the form: "All files (*.*)|*.*|JPEG Files (*.jpeg)|*.jpeg"
1659
1660int WXDLLIMPEXP_BASE wxParseCommonDialogsFilter(const wxString& filterStr,
1661 wxArrayString& descriptions,
1662 wxArrayString& filters)
1663{
1664 descriptions.Clear();
1665 filters.Clear();
1666
1667 wxString str(filterStr);
1668
1669 wxString description, filter;
1670 int pos = 0;
1671 while( pos != wxNOT_FOUND )
1672 {
1673 pos = str.Find(wxT('|'));
1674 if ( pos == wxNOT_FOUND )
1675 {
1676 // if there are no '|'s at all in the string just take the entire
1677 // string as filter and make description empty for later autocompletion
1678 if ( filters.IsEmpty() )
1679 {
1680 descriptions.Add(wxEmptyString);
1681 filters.Add(filterStr);
1682 }
1683 else
1684 {
1685 wxFAIL_MSG( wxT("missing '|' in the wildcard string!") );
1686 }
1687
1688 break;
1689 }
1690
1691 description = str.Left(pos);
1692 str = str.Mid(pos + 1);
1693 pos = str.Find(wxT('|'));
1694 if ( pos == wxNOT_FOUND )
1695 {
1696 filter = str;
1697 }
1698 else
1699 {
1700 filter = str.Left(pos);
1701 str = str.Mid(pos + 1);
1702 }
1703
1704 descriptions.Add(description);
1705 filters.Add(filter);
1706 }
1707
1708#if defined(__WXMOTIF__)
1709 // split it so there is one wildcard per entry
1710 for( size_t i = 0 ; i < descriptions.GetCount() ; i++ )
1711 {
1712 pos = filters[i].Find(wxT(';'));
1713 if (pos != wxNOT_FOUND)
1714 {
1715 // first split only filters
1716 descriptions.Insert(descriptions[i],i+1);
1717 filters.Insert(filters[i].Mid(pos+1),i+1);
1718 filters[i]=filters[i].Left(pos);
1719
1720 // autoreplace new filter in description with pattern:
1721 // C/C++ Files(*.cpp;*.c;*.h)|*.cpp;*.c;*.h
1722 // cause split into:
1723 // C/C++ Files(*.cpp)|*.cpp
1724 // C/C++ Files(*.c;*.h)|*.c;*.h
1725 // and next iteration cause another split into:
1726 // C/C++ Files(*.cpp)|*.cpp
1727 // C/C++ Files(*.c)|*.c
1728 // C/C++ Files(*.h)|*.h
1729 for ( size_t k=i;k<i+2;k++ )
1730 {
1731 pos = descriptions[k].Find(filters[k]);
1732 if (pos != wxNOT_FOUND)
1733 {
1734 wxString before = descriptions[k].Left(pos);
1735 wxString after = descriptions[k].Mid(pos+filters[k].Len());
1736 pos = before.Find(wxT('('),true);
1737 if (pos>before.Find(wxT(')'),true))
1738 {
1739 before = before.Left(pos+1);
1740 before << filters[k];
1741 pos = after.Find(wxT(')'));
1742 int pos1 = after.Find(wxT('('));
1743 if (pos != wxNOT_FOUND && (pos<pos1 || pos1==wxNOT_FOUND))
1744 {
1745 before << after.Mid(pos);
1746 descriptions[k] = before;
1747 }
1748 }
1749 }
1750 }
1751 }
1752 }
1753#endif
1754
1755 // autocompletion
1756 for( size_t j = 0 ; j < descriptions.GetCount() ; j++ )
1757 {
1758 if ( descriptions[j].empty() && !filters[j].empty() )
1759 {
1760 descriptions[j].Printf(_("Files (%s)"), filters[j].c_str());
1761 }
1762 }
1763
1764 return filters.GetCount();
1765}
1766
1767#if defined(__WINDOWS__) && !(defined(__UNIX__) || defined(__OS2__))
1768static bool wxCheckWin32Permission(const wxString& path, DWORD access)
1769{
1770 // quoting the MSDN: "To obtain a handle to a directory, call the
1771 // CreateFile function with the FILE_FLAG_BACKUP_SEMANTICS flag", but this
1772 // doesn't work under Win9x/ME but then it's not needed there anyhow
1773 const DWORD dwAttr = ::GetFileAttributes(path.t_str());
1774 if ( dwAttr == INVALID_FILE_ATTRIBUTES )
1775 {
1776 // file probably doesn't exist at all
1777 return false;
1778 }
1779
1780 if ( wxGetOsVersion() == wxOS_WINDOWS_9X )
1781 {
1782 // FAT directories always allow all access, even if they have the
1783 // readonly flag set, and FAT files can only be read-only
1784 return (dwAttr & FILE_ATTRIBUTE_DIRECTORY) ||
1785 (access != GENERIC_WRITE ||
1786 !(dwAttr & FILE_ATTRIBUTE_READONLY));
1787 }
1788
1789 HANDLE h = ::CreateFile
1790 (
1791 path.t_str(),
1792 access,
1793 FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
1794 NULL,
1795 OPEN_EXISTING,
1796 dwAttr & FILE_ATTRIBUTE_DIRECTORY
1797 ? FILE_FLAG_BACKUP_SEMANTICS
1798 : 0,
1799 NULL
1800 );
1801 if ( h != INVALID_HANDLE_VALUE )
1802 CloseHandle(h);
1803
1804 return h != INVALID_HANDLE_VALUE;
1805}
1806#endif // __WINDOWS__
1807
1808bool wxIsWritable(const wxString &path)
1809{
1810#if defined( __UNIX__ ) || defined(__OS2__)
1811 // access() will take in count also symbolic links
1812 return wxAccess(path.c_str(), W_OK) == 0;
1813#elif defined( __WINDOWS__ )
1814 return wxCheckWin32Permission(path, GENERIC_WRITE);
1815#else
1816 wxUnusedVar(path);
1817 // TODO
1818 return false;
1819#endif
1820}
1821
1822bool wxIsReadable(const wxString &path)
1823{
1824#if defined( __UNIX__ ) || defined(__OS2__)
1825 // access() will take in count also symbolic links
1826 return wxAccess(path.c_str(), R_OK) == 0;
1827#elif defined( __WINDOWS__ )
1828 return wxCheckWin32Permission(path, GENERIC_READ);
1829#else
1830 wxUnusedVar(path);
1831 // TODO
1832 return false;
1833#endif
1834}
1835
1836bool wxIsExecutable(const wxString &path)
1837{
1838#if defined( __UNIX__ ) || defined(__OS2__)
1839 // access() will take in count also symbolic links
1840 return wxAccess(path.c_str(), X_OK) == 0;
1841#elif defined( __WINDOWS__ )
1842 return wxCheckWin32Permission(path, GENERIC_EXECUTE);
1843#else
1844 wxUnusedVar(path);
1845 // TODO
1846 return false;
1847#endif
1848}
1849
1850// Return the type of an open file
1851//
1852// Some file types on some platforms seem seekable but in fact are not.
1853// The main use of this function is to allow such cases to be detected
1854// (IsSeekable() is implemented as wxGetFileKind() == wxFILE_KIND_DISK).
1855//
1856// This is important for the archive streams, which benefit greatly from
1857// being able to seek on a stream, but which will produce corrupt archives
1858// if they unknowingly seek on a non-seekable stream.
1859//
1860// wxFILE_KIND_DISK is a good catch all return value, since other values
1861// disable features of the archive streams. Some other value must be returned
1862// for a file type that appears seekable but isn't.
1863//
1864// Known examples:
1865// * Pipes on Windows
1866// * Files on VMS with a record format other than StreamLF
1867//
1868wxFileKind wxGetFileKind(int fd)
1869{
1870#if defined __WINDOWS__ && !defined __WXWINCE__ && defined wxGetOSFHandle
1871 switch (::GetFileType(wxGetOSFHandle(fd)) & ~FILE_TYPE_REMOTE)
1872 {
1873 case FILE_TYPE_CHAR:
1874 return wxFILE_KIND_TERMINAL;
1875 case FILE_TYPE_DISK:
1876 return wxFILE_KIND_DISK;
1877 case FILE_TYPE_PIPE:
1878 return wxFILE_KIND_PIPE;
1879 }
1880
1881 return wxFILE_KIND_UNKNOWN;
1882
1883#elif defined(__UNIX__)
1884 if (isatty(fd))
1885 return wxFILE_KIND_TERMINAL;
1886
1887 struct stat st;
1888 fstat(fd, &st);
1889
1890 if (S_ISFIFO(st.st_mode))
1891 return wxFILE_KIND_PIPE;
1892 if (!S_ISREG(st.st_mode))
1893 return wxFILE_KIND_UNKNOWN;
1894
1895 #if defined(__VMS__)
1896 if (st.st_fab_rfm != FAB$C_STMLF)
1897 return wxFILE_KIND_UNKNOWN;
1898 #endif
1899
1900 return wxFILE_KIND_DISK;
1901
1902#else
1903 #define wxFILEKIND_STUB
1904 (void)fd;
1905 return wxFILE_KIND_DISK;
1906#endif
1907}
1908
1909wxFileKind wxGetFileKind(FILE *fp)
1910{
1911 // Note: The watcom rtl dll doesn't have fileno (the static lib does).
1912 // Should be fixed in version 1.4.
1913#if defined(wxFILEKIND_STUB) || wxONLY_WATCOM_EARLIER_THAN(1,4)
1914 (void)fp;
1915 return wxFILE_KIND_DISK;
1916#elif defined(__WINDOWS__) && !defined(__CYGWIN__) && !defined(__WATCOMC__) && !defined(__WINE__)
1917 return fp ? wxGetFileKind(_fileno(fp)) : wxFILE_KIND_UNKNOWN;
1918#else
1919 return fp ? wxGetFileKind(fileno(fp)) : wxFILE_KIND_UNKNOWN;
1920#endif
1921}
1922
1923
1924//------------------------------------------------------------------------
1925// wild character routines
1926//------------------------------------------------------------------------
1927
1928bool wxIsWild( const wxString& pattern )
1929{
1930 for ( wxString::const_iterator p = pattern.begin(); p != pattern.end(); ++p )
1931 {
1932 switch ( (*p).GetValue() )
1933 {
1934 case wxT('?'):
1935 case wxT('*'):
1936 case wxT('['):
1937 case wxT('{'):
1938 return true;
1939
1940 case wxT('\\'):
1941 if ( ++p == pattern.end() )
1942 return false;
1943 }
1944 }
1945 return false;
1946}
1947
1948/*
1949* Written By Douglas A. Lewis <dalewis@cs.Buffalo.EDU>
1950*
1951* The match procedure is public domain code (from ircII's reg.c)
1952* but modified to suit our tastes (RN: No "%" syntax I guess)
1953*/
1954
1955bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
1956{
1957 if (text.empty())
1958 {
1959 /* Match if both are empty. */
1960 return pat.empty();
1961 }
1962
1963 const wxChar *m = pat.c_str(),
1964 *n = text.c_str(),
1965 *ma = NULL,
1966 *na = NULL;
1967 int just = 0,
1968 acount = 0,
1969 count = 0;
1970
1971 if (dot_special && (*n == wxT('.')))
1972 {
1973 /* Never match so that hidden Unix files
1974 * are never found. */
1975 return false;
1976 }
1977
1978 for (;;)
1979 {
1980 if (*m == wxT('*'))
1981 {
1982 ma = ++m;
1983 na = n;
1984 just = 1;
1985 acount = count;
1986 }
1987 else if (*m == wxT('?'))
1988 {
1989 m++;
1990 if (!*n++)
1991 return false;
1992 }
1993 else
1994 {
1995 if (*m == wxT('\\'))
1996 {
1997 m++;
1998 /* Quoting "nothing" is a bad thing */
1999 if (!*m)
2000 return false;
2001 }
2002 if (!*m)
2003 {
2004 /*
2005 * If we are out of both strings or we just
2006 * saw a wildcard, then we can say we have a
2007 * match
2008 */
2009 if (!*n)
2010 return true;
2011 if (just)
2012 return true;
2013 just = 0;
2014 goto not_matched;
2015 }
2016 /*
2017 * We could check for *n == NULL at this point, but
2018 * since it's more common to have a character there,
2019 * check to see if they match first (m and n) and
2020 * then if they don't match, THEN we can check for
2021 * the NULL of n
2022 */
2023 just = 0;
2024 if (*m == *n)
2025 {
2026 m++;
2027 count++;
2028 n++;
2029 }
2030 else
2031 {
2032
2033 not_matched:
2034
2035 /*
2036 * If there are no more characters in the
2037 * string, but we still need to find another
2038 * character (*m != NULL), then it will be
2039 * impossible to match it
2040 */
2041 if (!*n)
2042 return false;
2043
2044 if (ma)
2045 {
2046 m = ma;
2047 n = ++na;
2048 count = acount;
2049 }
2050 else
2051 return false;
2052 }
2053 }
2054 }
2055}
2056
2057#ifdef __VISUALC__
2058 #pragma warning(default:4706) // assignment within conditional expression
2059#endif // VC++
wxWidgets (Impactor)