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Add missing WXK constants for the control keys
[wxWidgets.git] / src / common / filefn.cpp
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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// 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// For compilers that support precompilation, includes "wx.h".
21#include "wx/wxprec.h"
22
23#ifdef __BORLANDC__
24 #pragma hdrstop
25#endif
26
27#include "wx/filefn.h"
28
29#ifndef WX_PRECOMP
30 #include "wx/intl.h"
31 #include "wx/log.h"
32 #include "wx/utils.h"
33 #include "wx/crt.h"
34#endif
35
36#include "wx/dynarray.h"
37#include "wx/file.h"
38#include "wx/filename.h"
39#include "wx/dir.h"
40
41#include "wx/tokenzr.h"
42
43// there are just too many of those...
44#ifdef __VISUALC__
45 #pragma warning(disable:4706) // assignment within conditional expression
46#endif // VC++
47
48#include <ctype.h>
49#include <stdio.h>
50#include <stdlib.h>
51#include <string.h>
52#if !wxONLY_WATCOM_EARLIER_THAN(1,4)
53 #if !(defined(_MSC_VER) && (_MSC_VER > 800))
54 #include <errno.h>
55 #endif
56#endif
57
58#if defined(__WXMAC__)
59 #include "wx/osx/private.h" // includes mac headers
60#endif
61
62#ifdef __WINDOWS__
63 #include "wx/msw/private.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 // Local copy
746 wxStrcpy (buf, path);
747
748 int l = wxStrlen(path);
749 int i = l - 1;
750
751 // Search backward for a backward or forward slash
752 while (i > -1)
753 {
754 // Unix like or Windows
755 if (path[i] == wxT('/') || path[i] == wxT('\\'))
756 {
757 buf[i] = 0;
758 return buf;
759 }
760#ifdef __VMS__
761 if (path[i] == wxT(']'))
762 {
763 buf[i+1] = 0;
764 return buf;
765 }
766#endif
767 i --;
768 }
769
770#if defined(__WINDOWS__) || defined(__OS2__)
771 // Try Drive specifier
772 if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
773 {
774 // A:junk --> A:. (since A:.\junk Not A:\junk)
775 buf[2] = wxT('.');
776 buf[3] = wxT('\0');
777 return buf;
778 }
779#endif
780 }
781 return NULL;
782}
783
784// Return just the directory, or NULL if no directory
785wxString wxPathOnly (const wxString& path)
786{
787 if (!path.empty())
788 {
789 wxChar buf[_MAXPATHLEN];
790
791 // Local copy
792 wxStrcpy(buf, path);
793
794 int l = path.length();
795 int i = l - 1;
796
797 // Search backward for a backward or forward slash
798 while (i > -1)
799 {
800 // Unix like or Windows
801 if (path[i] == wxT('/') || path[i] == wxT('\\'))
802 {
803 // Don't return an empty string
804 if (i == 0)
805 i ++;
806 buf[i] = 0;
807 return wxString(buf);
808 }
809#ifdef __VMS__
810 if (path[i] == wxT(']'))
811 {
812 buf[i+1] = 0;
813 return wxString(buf);
814 }
815#endif
816 i --;
817 }
818
819#if defined(__WINDOWS__) || defined(__OS2__)
820 // Try Drive specifier
821 if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
822 {
823 // A:junk --> A:. (since A:.\junk Not A:\junk)
824 buf[2] = wxT('.');
825 buf[3] = wxT('\0');
826 return wxString(buf);
827 }
828#endif
829 }
830 return wxEmptyString;
831}
832
833// Utility for converting delimiters in DOS filenames to UNIX style
834// and back again - or we get nasty problems with delimiters.
835// Also, convert to lower case, since case is significant in UNIX.
836
837#if defined(__WXMAC__) && !defined(__WXOSX_IPHONE__)
838
839#define kDefaultPathStyle kCFURLPOSIXPathStyle
840
841wxString wxMacFSRefToPath( const FSRef *fsRef , CFStringRef additionalPathComponent )
842{
843 CFURLRef fullURLRef;
844 fullURLRef = CFURLCreateFromFSRef(NULL, fsRef);
845 if ( fullURLRef == NULL)
846 return wxEmptyString;
847
848 if ( additionalPathComponent )
849 {
850 CFURLRef parentURLRef = fullURLRef ;
851 fullURLRef = CFURLCreateCopyAppendingPathComponent(NULL, parentURLRef,
852 additionalPathComponent,false);
853 CFRelease( parentURLRef ) ;
854 }
855 wxCFStringRef cfString( CFURLCopyFileSystemPath(fullURLRef, kDefaultPathStyle ));
856 CFRelease( fullURLRef ) ;
857
858 return wxCFStringRef::AsStringWithNormalizationFormC(cfString);
859}
860
861OSStatus wxMacPathToFSRef( const wxString&path , FSRef *fsRef )
862{
863 OSStatus err = noErr ;
864 CFMutableStringRef cfMutableString = CFStringCreateMutableCopy(NULL, 0, wxCFStringRef(path));
865 CFStringNormalize(cfMutableString,kCFStringNormalizationFormD);
866 CFURLRef url = CFURLCreateWithFileSystemPath(kCFAllocatorDefault, cfMutableString , kDefaultPathStyle, false);
867 CFRelease( cfMutableString );
868 if ( NULL != url )
869 {
870 if ( CFURLGetFSRef(url, fsRef) == false )
871 err = fnfErr ;
872 CFRelease( url ) ;
873 }
874 else
875 {
876 err = fnfErr ;
877 }
878 return err ;
879}
880
881wxString wxMacHFSUniStrToString( ConstHFSUniStr255Param uniname )
882{
883 wxCFStringRef cfname( CFStringCreateWithCharacters( kCFAllocatorDefault,
884 uniname->unicode,
885 uniname->length ) );
886 return wxCFStringRef::AsStringWithNormalizationFormC(cfname);
887}
888
889#ifndef __LP64__
890
891wxString wxMacFSSpec2MacFilename( const FSSpec *spec )
892{
893 FSRef fsRef ;
894 if ( FSpMakeFSRef( spec , &fsRef) == noErr )
895 {
896 return wxMacFSRefToPath( &fsRef ) ;
897 }
898 return wxEmptyString ;
899}
900
901void wxMacFilename2FSSpec( const wxString& path , FSSpec *spec )
902{
903 OSStatus err = noErr;
904 FSRef fsRef;
905 wxMacPathToFSRef( path , &fsRef );
906 err = FSGetCatalogInfo(&fsRef, kFSCatInfoNone, NULL, NULL, spec, NULL);
907 verify_noerr( err );
908}
909#endif
910
911#endif // __WXMAC__
912
913
914#if WXWIN_COMPATIBILITY_2_8
915
916template<typename T>
917static void wxDoDos2UnixFilename(T *s)
918{
919 if (s)
920 while (*s)
921 {
922 if (*s == wxT('\\'))
923 *s = wxT('/');
924#ifdef __WINDOWS__
925 else
926 *s = wxTolower(*s); // Case INDEPENDENT
927#endif
928 s++;
929 }
930}
931
932void wxDos2UnixFilename(char *s) { wxDoDos2UnixFilename(s); }
933void wxDos2UnixFilename(wchar_t *s) { wxDoDos2UnixFilename(s); }
934
935template<typename T>
936static void
937#if defined(__WINDOWS__) || defined(__OS2__)
938wxDoUnix2DosFilename(T *s)
939#else
940wxDoUnix2DosFilename(T *WXUNUSED(s) )
941#endif
942{
943// Yes, I really mean this to happen under DOS only! JACS
944#if defined(__WINDOWS__) || defined(__OS2__)
945 if (s)
946 while (*s)
947 {
948 if (*s == wxT('/'))
949 *s = wxT('\\');
950 s++;
951 }
952#endif
953}
954
955void wxUnix2DosFilename(char *s) { wxDoUnix2DosFilename(s); }
956void wxUnix2DosFilename(wchar_t *s) { wxDoUnix2DosFilename(s); }
957
958#endif // #if WXWIN_COMPATIBILITY_2_8
959
960// Concatenate two files to form third
961bool
962wxConcatFiles (const wxString& file1, const wxString& file2, const wxString& file3)
963{
964#if wxUSE_FILE
965
966 wxFile in1(file1), in2(file2);
967 wxTempFile out(file3);
968
969 if ( !in1.IsOpened() || !in2.IsOpened() || !out.IsOpened() )
970 return false;
971
972 ssize_t ofs;
973 unsigned char buf[1024];
974
975 for( int i=0; i<2; i++)
976 {
977 wxFile *in = i==0 ? &in1 : &in2;
978 do{
979 if ( (ofs = in->Read(buf,WXSIZEOF(buf))) == wxInvalidOffset ) return false;
980 if ( ofs > 0 )
981 if ( !out.Write(buf,ofs) )
982 return false;
983 } while ( ofs == (ssize_t)WXSIZEOF(buf) );
984 }
985
986 return out.Commit();
987
988#else
989
990 wxUnusedVar(file1);
991 wxUnusedVar(file2);
992 wxUnusedVar(file3);
993 return false;
994
995#endif
996}
997
998// helper of generic implementation of wxCopyFile()
999#if !(defined(__WIN32__) || defined(__OS2__)) && wxUSE_FILE
1000
1001static bool
1002wxDoCopyFile(wxFile& fileIn,
1003 const wxStructStat& fbuf,
1004 const wxString& filenameDst,
1005 bool overwrite)
1006{
1007 // reset the umask as we want to create the file with exactly the same
1008 // permissions as the original one
1009 wxCHANGE_UMASK(0);
1010
1011 // create file2 with the same permissions than file1 and open it for
1012 // writing
1013
1014 wxFile fileOut;
1015 if ( !fileOut.Create(filenameDst, overwrite, fbuf.st_mode & 0777) )
1016 return false;
1017
1018 // copy contents of file1 to file2
1019 char buf[4096];
1020 for ( ;; )
1021 {
1022 ssize_t count = fileIn.Read(buf, WXSIZEOF(buf));
1023 if ( count == wxInvalidOffset )
1024 return false;
1025
1026 // end of file?
1027 if ( !count )
1028 break;
1029
1030 if ( fileOut.Write(buf, count) < (size_t)count )
1031 return false;
1032 }
1033
1034 // we can expect fileIn to be closed successfully, but we should ensure
1035 // that fileOut was closed as some write errors (disk full) might not be
1036 // detected before doing this
1037 return fileIn.Close() && fileOut.Close();
1038}
1039
1040#endif // generic implementation of wxCopyFile
1041
1042// Copy files
1043bool
1044wxCopyFile (const wxString& file1, const wxString& file2, bool overwrite)
1045{
1046#if defined(__WIN32__) && !defined(__WXMICROWIN__)
1047 // CopyFile() copies file attributes and modification time too, so use it
1048 // instead of our code if available
1049 //
1050 // NB: 3rd parameter is bFailIfExists i.e. the inverse of overwrite
1051 if ( !::CopyFile(file1.t_str(), file2.t_str(), !overwrite) )
1052 {
1053 wxLogSysError(_("Failed to copy the file '%s' to '%s'"),
1054 file1.c_str(), file2.c_str());
1055
1056 return false;
1057 }
1058#elif defined(__OS2__)
1059 if ( ::DosCopy(file1.c_str(), file2.c_str(), overwrite ? DCPY_EXISTING : 0) != 0 )
1060 return false;
1061#elif wxUSE_FILE // !Win32
1062
1063 wxStructStat fbuf;
1064 // get permissions of file1
1065 if ( wxStat( file1, &fbuf) != 0 )
1066 {
1067 // the file probably doesn't exist or we haven't the rights to read
1068 // from it anyhow
1069 wxLogSysError(_("Impossible to get permissions for file '%s'"),
1070 file1.c_str());
1071 return false;
1072 }
1073
1074 // open file1 for reading
1075 wxFile fileIn(file1, wxFile::read);
1076 if ( !fileIn.IsOpened() )
1077 return false;
1078
1079 // remove file2, if it exists. This is needed for creating
1080 // file2 with the correct permissions in the next step
1081 if ( wxFileExists(file2) && (!overwrite || !wxRemoveFile(file2)))
1082 {
1083 wxLogSysError(_("Impossible to overwrite the file '%s'"),
1084 file2.c_str());
1085 return false;
1086 }
1087
1088 wxDoCopyFile(fileIn, fbuf, file2, overwrite);
1089
1090#if defined(__WXMAC__) || defined(__WXCOCOA__)
1091 // copy the resource fork of the file too if it's present
1092 wxString pathRsrcOut;
1093 wxFile fileRsrcIn;
1094
1095 {
1096 // suppress error messages from this block as resource forks don't have
1097 // to exist
1098 wxLogNull noLog;
1099
1100 // it's not enough to check for file existence: it always does on HFS
1101 // but is empty for files without resources
1102 if ( fileRsrcIn.Open(file1 + wxT("/..namedfork/rsrc")) &&
1103 fileRsrcIn.Length() > 0 )
1104 {
1105 // we must be using HFS or another filesystem with resource fork
1106 // support, suppose that destination file system also is HFS[-like]
1107 pathRsrcOut = file2 + wxT("/..namedfork/rsrc");
1108 }
1109 else // check if we have resource fork in separate file (non-HFS case)
1110 {
1111 wxFileName fnRsrc(file1);
1112 fnRsrc.SetName(wxT("._") + fnRsrc.GetName());
1113
1114 fileRsrcIn.Close();
1115 if ( fileRsrcIn.Open( fnRsrc.GetFullPath() ) )
1116 {
1117 fnRsrc = file2;
1118 fnRsrc.SetName(wxT("._") + fnRsrc.GetName());
1119
1120 pathRsrcOut = fnRsrc.GetFullPath();
1121 }
1122 }
1123 }
1124
1125 if ( !pathRsrcOut.empty() )
1126 {
1127 if ( !wxDoCopyFile(fileRsrcIn, fbuf, pathRsrcOut, overwrite) )
1128 return false;
1129 }
1130#endif // wxMac || wxCocoa
1131
1132#if !defined(__VISAGECPP__) && !defined(__WXMAC__) || defined(__UNIX__)
1133 // no chmod in VA. Should be some permission API for HPFS386 partitions
1134 // however
1135 if ( chmod(file2.fn_str(), fbuf.st_mode) != 0 )
1136 {
1137 wxLogSysError(_("Impossible to set permissions for the file '%s'"),
1138 file2.c_str());
1139 return false;
1140 }
1141#endif // OS/2 || Mac
1142
1143#else // !Win32 && ! wxUSE_FILE
1144
1145 // impossible to simulate with wxWidgets API
1146 wxUnusedVar(file1);
1147 wxUnusedVar(file2);
1148 wxUnusedVar(overwrite);
1149 return false;
1150
1151#endif // __WINDOWS__ && __WIN32__
1152
1153 return true;
1154}
1155
1156bool
1157wxRenameFile(const wxString& file1, const wxString& file2, bool overwrite)
1158{
1159 if ( !overwrite && wxFileExists(file2) )
1160 {
1161 wxLogSysError
1162 (
1163 _("Failed to rename the file '%s' to '%s' because the destination file already exists."),
1164 file1.c_str(), file2.c_str()
1165 );
1166
1167 return false;
1168 }
1169
1170#if !defined(__WXWINCE__)
1171 // Normal system call
1172 if ( wxRename (file1, file2) == 0 )
1173 return true;
1174#endif
1175
1176 // Try to copy
1177 if (wxCopyFile(file1, file2, overwrite)) {
1178 wxRemoveFile(file1);
1179 return true;
1180 }
1181 // Give up
1182 wxLogSysError(_("File '%s' couldn't be renamed '%s'"), file1, file2);
1183 return false;
1184}
1185
1186bool wxRemoveFile(const wxString& file)
1187{
1188#if defined(__VISUALC__) \
1189 || defined(__BORLANDC__) \
1190 || defined(__WATCOMC__) \
1191 || defined(__DMC__) \
1192 || defined(__GNUWIN32__)
1193 int res = wxRemove(file);
1194#elif defined(__WXMAC__)
1195 int res = unlink(file.fn_str());
1196#else
1197 int res = unlink(file.fn_str());
1198#endif
1199 if ( res )
1200 {
1201 wxLogSysError(_("File '%s' couldn't be removed"), file);
1202 }
1203 return res == 0;
1204}
1205
1206bool wxMkdir(const wxString& dir, int perm)
1207{
1208#if defined(__WXMAC__) && !defined(__UNIX__)
1209 if ( mkdir(dir.fn_str(), 0) != 0 )
1210
1211 // assume mkdir() has 2 args on non Windows-OS/2 platforms and on Windows too
1212 // for the GNU compiler
1213#elif (!(defined(__WINDOWS__) || defined(__OS2__) || defined(__DOS__))) || \
1214 (defined(__GNUWIN32__) && !defined(__MINGW32__)) || \
1215 defined(__WINE__) || defined(__WXMICROWIN__)
1216 const wxChar *dirname = dir.c_str();
1217 #if defined(MSVCRT)
1218 wxUnusedVar(perm);
1219 if ( mkdir(wxFNCONV(dirname)) != 0 )
1220 #else
1221 if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1222 #endif
1223#elif defined(__OS2__)
1224 wxUnusedVar(perm);
1225 if (::DosCreateDir(dir.c_str(), NULL) != 0) // enhance for EAB's??
1226#elif defined(__DOS__)
1227 const wxChar *dirname = dir.c_str();
1228 #if defined(__WATCOMC__)
1229 (void)perm;
1230 if ( wxMkDir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
1231 #elif defined(__DJGPP__)
1232 if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1233 #else
1234 #error "Unsupported DOS compiler!"
1235 #endif
1236#else // !MSW, !DOS and !OS/2 VAC++
1237 wxUnusedVar(perm);
1238 #ifdef __WXWINCE__
1239 if ( CreateDirectory(dir.fn_str(), NULL) == 0 )
1240 #else
1241 if ( wxMkDir(dir.fn_str()) != 0 )
1242 #endif
1243#endif // !MSW/MSW
1244 {
1245 wxLogSysError(_("Directory '%s' couldn't be created"), dir);
1246 return false;
1247 }
1248
1249 return true;
1250}
1251
1252bool wxRmdir(const wxString& dir, int WXUNUSED(flags))
1253{
1254#if defined(__VMS__)
1255 return false; //to be changed since rmdir exists in VMS7.x
1256#else
1257 #if defined(__OS2__)
1258 if ( ::DosDeleteDir(dir.c_str()) != 0 )
1259 #elif defined(__WXWINCE__)
1260 if ( RemoveDirectory(dir.fn_str()) == 0 )
1261 #else
1262 if ( wxRmDir(dir.fn_str()) != 0 )
1263 #endif
1264 {
1265 wxLogSysError(_("Directory '%s' couldn't be deleted"), dir);
1266 return false;
1267 }
1268
1269 return true;
1270#endif
1271}
1272
1273// does the path exists? (may have or not '/' or '\\' at the end)
1274bool wxDirExists(const wxString& pathName)
1275{
1276 return wxFileName::DirExists(pathName);
1277}
1278
1279#if WXWIN_COMPATIBILITY_2_8
1280
1281// Get a temporary filename, opening and closing the file.
1282wxChar *wxGetTempFileName(const wxString& prefix, wxChar *buf)
1283{
1284 wxString filename;
1285 if ( !wxGetTempFileName(prefix, filename) )
1286 return NULL;
1287
1288 if ( buf )
1289 wxStrcpy(buf, filename);
1290 else
1291 buf = MYcopystring(filename);
1292
1293 return buf;
1294}
1295
1296bool wxGetTempFileName(const wxString& prefix, wxString& buf)
1297{
1298#if wxUSE_FILE
1299 buf = wxFileName::CreateTempFileName(prefix);
1300
1301 return !buf.empty();
1302#else // !wxUSE_FILE
1303 wxUnusedVar(prefix);
1304 wxUnusedVar(buf);
1305
1306 return false;
1307#endif // wxUSE_FILE/!wxUSE_FILE
1308}
1309
1310#endif // #if WXWIN_COMPATIBILITY_2_8
1311
1312// Get first file name matching given wild card.
1313
1314static wxDir *gs_dir = NULL;
1315static wxString gs_dirPath;
1316
1317wxString wxFindFirstFile(const wxString& spec, int flags)
1318{
1319 wxFileName::SplitPath(spec, &gs_dirPath, NULL, NULL);
1320 if ( gs_dirPath.empty() )
1321 gs_dirPath = wxT(".");
1322 if ( !wxEndsWithPathSeparator(gs_dirPath ) )
1323 gs_dirPath << wxFILE_SEP_PATH;
1324
1325 delete gs_dir; // can be NULL, this is ok
1326 gs_dir = new wxDir(gs_dirPath);
1327
1328 if ( !gs_dir->IsOpened() )
1329 {
1330 wxLogSysError(_("Cannot enumerate files '%s'"), spec);
1331 return wxEmptyString;
1332 }
1333
1334 int dirFlags;
1335 switch (flags)
1336 {
1337 case wxDIR: dirFlags = wxDIR_DIRS; break;
1338 case wxFILE: dirFlags = wxDIR_FILES; break;
1339 default: dirFlags = wxDIR_DIRS | wxDIR_FILES; break;
1340 }
1341
1342 wxString result;
1343 gs_dir->GetFirst(&result, wxFileNameFromPath(spec), dirFlags);
1344 if ( result.empty() )
1345 {
1346 wxDELETE(gs_dir);
1347 return result;
1348 }
1349
1350 return gs_dirPath + result;
1351}
1352
1353wxString wxFindNextFile()
1354{
1355 wxCHECK_MSG( gs_dir, "", "You must call wxFindFirstFile before!" );
1356
1357 wxString result;
1358 gs_dir->GetNext(&result);
1359
1360 if ( result.empty() )
1361 {
1362 wxDELETE(gs_dir);
1363 return result;
1364 }
1365
1366 return gs_dirPath + result;
1367}
1368
1369
1370// Get current working directory.
1371// If buf is NULL, allocates space using new, else copies into buf.
1372// wxGetWorkingDirectory() is obsolete, use wxGetCwd()
1373// wxDoGetCwd() is their common core to be moved
1374// to wxGetCwd() once wxGetWorkingDirectory() will be removed.
1375// Do not expose wxDoGetCwd in headers!
1376
1377wxChar *wxDoGetCwd(wxChar *buf, int sz)
1378{
1379#if defined(__WXWINCE__)
1380 // TODO
1381 if(buf && sz>0) buf[0] = wxT('\0');
1382 return buf;
1383#else
1384 if ( !buf )
1385 {
1386 buf = new wxChar[sz + 1];
1387 }
1388
1389 bool ok wxDUMMY_INITIALIZE(false);
1390
1391 // for the compilers which have Unicode version of _getcwd(), call it
1392 // directly, for the others call the ANSI version and do the translation
1393#if !wxUSE_UNICODE
1394 #define cbuf buf
1395#else // wxUSE_UNICODE
1396 bool needsANSI = true;
1397
1398 #if !defined(HAVE_WGETCWD) || wxUSE_UNICODE_MSLU
1399 char cbuf[_MAXPATHLEN];
1400 #endif
1401
1402 #ifdef HAVE_WGETCWD
1403 #if wxUSE_UNICODE_MSLU
1404 if ( wxGetOsVersion() != wxOS_WINDOWS_9X )
1405 #else
1406 char *cbuf = NULL; // never really used because needsANSI will always be false
1407 #endif
1408 {
1409 ok = _wgetcwd(buf, sz) != NULL;
1410 needsANSI = false;
1411 }
1412 #endif
1413
1414 if ( needsANSI )
1415#endif // wxUSE_UNICODE
1416 {
1417 #if defined(_MSC_VER) || defined(__MINGW32__)
1418 ok = _getcwd(cbuf, sz) != NULL;
1419 #elif defined(__OS2__)
1420 APIRET rc;
1421 ULONG ulDriveNum = 0;
1422 ULONG ulDriveMap = 0;
1423 rc = ::DosQueryCurrentDisk(&ulDriveNum, &ulDriveMap);
1424 ok = rc == 0;
1425 if (ok)
1426 {
1427 sz -= 3;
1428 rc = ::DosQueryCurrentDir( 0 // current drive
1429 ,(PBYTE)cbuf + 3
1430 ,(PULONG)&sz
1431 );
1432 cbuf[0] = char('A' + (ulDriveNum - 1));
1433 cbuf[1] = ':';
1434 cbuf[2] = '\\';
1435 ok = rc == 0;
1436 }
1437 #else // !Win32/VC++ !Mac !OS2
1438 ok = getcwd(cbuf, sz) != NULL;
1439 #endif // platform
1440
1441 #if wxUSE_UNICODE
1442 // finally convert the result to Unicode if needed
1443 wxConvFile.MB2WC(buf, cbuf, sz);
1444 #endif // wxUSE_UNICODE
1445 }
1446
1447 if ( !ok )
1448 {
1449 wxLogSysError(_("Failed to get the working directory"));
1450
1451 // VZ: the old code used to return "." on error which didn't make any
1452 // sense at all to me - empty string is a better error indicator
1453 // (NULL might be even better but I'm afraid this could lead to
1454 // problems with the old code assuming the return is never NULL)
1455 buf[0] = wxT('\0');
1456 }
1457 else // ok, but we might need to massage the path into the right format
1458 {
1459#ifdef __DJGPP__
1460 // VS: DJGPP is a strange mix of DOS and UNIX API and returns paths
1461 // with / deliminers. We don't like that.
1462 for (wxChar *ch = buf; *ch; ch++)
1463 {
1464 if (*ch == wxT('/'))
1465 *ch = wxT('\\');
1466 }
1467#endif // __DJGPP__
1468
1469// MBN: we hope that in the case the user is compiling a GTK+/Motif app,
1470// he needs Unix as opposed to Win32 pathnames
1471#if defined( __CYGWIN__ ) && defined( __WINDOWS__ )
1472 // another example of DOS/Unix mix (Cygwin)
1473 wxString pathUnix = buf;
1474#if wxUSE_UNICODE
1475 #if CYGWIN_VERSION_DLL_MAJOR >= 1007
1476 cygwin_conv_path(CCP_POSIX_TO_WIN_W, pathUnix.mb_str(wxConvFile), buf, sz);
1477 #else
1478 char bufA[_MAXPATHLEN];
1479 cygwin_conv_to_full_win32_path(pathUnix.mb_str(wxConvFile), bufA);
1480 wxConvFile.MB2WC(buf, bufA, sz);
1481 #endif
1482#else
1483 #if CYGWIN_VERSION_DLL_MAJOR >= 1007
1484 cygwin_conv_path(CCP_POSIX_TO_WIN_A, pathUnix, buf, sz);
1485 #else
1486 cygwin_conv_to_full_win32_path(pathUnix, buf);
1487 #endif
1488#endif // wxUSE_UNICODE
1489#endif // __CYGWIN__
1490 }
1491
1492 return buf;
1493
1494#if !wxUSE_UNICODE
1495 #undef cbuf
1496#endif
1497
1498#endif
1499 // __WXWINCE__
1500}
1501
1502#if WXWIN_COMPATIBILITY_2_6
1503wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
1504{
1505 return wxDoGetCwd(buf,sz);
1506}
1507#endif // WXWIN_COMPATIBILITY_2_6
1508
1509wxString wxGetCwd()
1510{
1511 wxString str;
1512 wxDoGetCwd(wxStringBuffer(str, _MAXPATHLEN), _MAXPATHLEN);
1513 return str;
1514}
1515
1516bool wxSetWorkingDirectory(const wxString& d)
1517{
1518 bool success = false;
1519#if defined(__OS2__)
1520 if (d[1] == ':')
1521 {
1522 ::DosSetDefaultDisk(wxToupper(d[0]) - wxT('A') + 1);
1523 // do not call DosSetCurrentDir when just changing drive,
1524 // since it requires e.g. "d:." instead of "d:"!
1525 if (d.length() == 2)
1526 return true;
1527 }
1528 success = (::DosSetCurrentDir(d.c_str()) == 0);
1529#elif defined(__UNIX__) || defined(__WXMAC__) || defined(__DOS__)
1530 success = (chdir(wxFNSTRINGCAST d.fn_str()) == 0);
1531#elif defined(__WINDOWS__)
1532
1533#ifdef __WIN32__
1534#ifdef __WXWINCE__
1535 // No equivalent in WinCE
1536 wxUnusedVar(d);
1537#else
1538 success = (SetCurrentDirectory(d.t_str()) != 0);
1539#endif
1540#else
1541 // Must change drive, too.
1542 bool isDriveSpec = ((strlen(d) > 1) && (d[1] == ':'));
1543 if (isDriveSpec)
1544 {
1545 wxChar firstChar = d[0];
1546
1547 // To upper case
1548 if (firstChar > 90)
1549 firstChar = firstChar - 32;
1550
1551 // To a drive number
1552 unsigned int driveNo = firstChar - 64;
1553 if (driveNo > 0)
1554 {
1555 unsigned int noDrives;
1556 _dos_setdrive(driveNo, &noDrives);
1557 }
1558 }
1559 success = (chdir(WXSTRINGCAST d) == 0);
1560#endif
1561
1562#endif
1563 if ( !success )
1564 {
1565 wxLogSysError(_("Could not set current working directory"));
1566 }
1567 return success;
1568}
1569
1570// Get the OS directory if appropriate (such as the Windows directory).
1571// On non-Windows platform, probably just return the empty string.
1572wxString wxGetOSDirectory()
1573{
1574#ifdef __WXWINCE__
1575 return wxString(wxT("\\Windows"));
1576#elif defined(__WINDOWS__) && !defined(__WXMICROWIN__)
1577 wxChar buf[MAX_PATH];
1578 if ( !GetWindowsDirectory(buf, MAX_PATH) )
1579 {
1580 wxLogLastError(wxS("GetWindowsDirectory"));
1581 }
1582
1583 return wxString(buf);
1584#elif defined(__WXMAC__) && wxOSX_USE_CARBON
1585 return wxMacFindFolderNoSeparator(kOnSystemDisk, 'macs', false);
1586#else
1587 return wxEmptyString;
1588#endif
1589}
1590
1591bool wxEndsWithPathSeparator(const wxString& filename)
1592{
1593 return !filename.empty() && wxIsPathSeparator(filename.Last());
1594}
1595
1596// find a file in a list of directories, returns false if not found
1597bool wxFindFileInPath(wxString *pStr, const wxString& szPath, const wxString& szFile)
1598{
1599 // we assume that it's not empty
1600 wxCHECK_MSG( !szFile.empty(), false,
1601 wxT("empty file name in wxFindFileInPath"));
1602
1603 // skip path separator in the beginning of the file name if present
1604 wxString szFile2;
1605 if ( wxIsPathSeparator(szFile[0u]) )
1606 szFile2 = szFile.Mid(1);
1607 else
1608 szFile2 = szFile;
1609
1610 wxStringTokenizer tkn(szPath, wxPATH_SEP);
1611
1612 while ( tkn.HasMoreTokens() )
1613 {
1614 wxString strFile = tkn.GetNextToken();
1615 if ( !wxEndsWithPathSeparator(strFile) )
1616 strFile += wxFILE_SEP_PATH;
1617 strFile += szFile2;
1618
1619 if ( wxFileExists(strFile) )
1620 {
1621 *pStr = strFile;
1622 return true;
1623 }
1624 }
1625
1626 return false;
1627}
1628
1629#if WXWIN_COMPATIBILITY_2_8
1630void WXDLLIMPEXP_BASE wxSplitPath(const wxString& fileName,
1631 wxString *pstrPath,
1632 wxString *pstrName,
1633 wxString *pstrExt)
1634{
1635 wxFileName::SplitPath(fileName, pstrPath, pstrName, pstrExt);
1636}
1637#endif // #if WXWIN_COMPATIBILITY_2_8
1638
1639#if wxUSE_DATETIME
1640
1641time_t WXDLLIMPEXP_BASE wxFileModificationTime(const wxString& filename)
1642{
1643 wxDateTime mtime;
1644 if ( !wxFileName(filename).GetTimes(NULL, &mtime, NULL) )
1645 return (time_t)-1;
1646
1647 return mtime.GetTicks();
1648}
1649
1650#endif // wxUSE_DATETIME
1651
1652
1653// Parses the filterStr, returning the number of filters.
1654// Returns 0 if none or if there's a problem.
1655// filterStr is in the form: "All files (*.*)|*.*|JPEG Files (*.jpeg)|*.jpeg"
1656
1657int WXDLLIMPEXP_BASE wxParseCommonDialogsFilter(const wxString& filterStr,
1658 wxArrayString& descriptions,
1659 wxArrayString& filters)
1660{
1661 descriptions.Clear();
1662 filters.Clear();
1663
1664 wxString str(filterStr);
1665
1666 wxString description, filter;
1667 int pos = 0;
1668 while( pos != wxNOT_FOUND )
1669 {
1670 pos = str.Find(wxT('|'));
1671 if ( pos == wxNOT_FOUND )
1672 {
1673 // if there are no '|'s at all in the string just take the entire
1674 // string as filter and make description empty for later autocompletion
1675 if ( filters.IsEmpty() )
1676 {
1677 descriptions.Add(wxEmptyString);
1678 filters.Add(filterStr);
1679 }
1680 else
1681 {
1682 wxFAIL_MSG( wxT("missing '|' in the wildcard string!") );
1683 }
1684
1685 break;
1686 }
1687
1688 description = str.Left(pos);
1689 str = str.Mid(pos + 1);
1690 pos = str.Find(wxT('|'));
1691 if ( pos == wxNOT_FOUND )
1692 {
1693 filter = str;
1694 }
1695 else
1696 {
1697 filter = str.Left(pos);
1698 str = str.Mid(pos + 1);
1699 }
1700
1701 descriptions.Add(description);
1702 filters.Add(filter);
1703 }
1704
1705#if defined(__WXMOTIF__)
1706 // split it so there is one wildcard per entry
1707 for( size_t i = 0 ; i < descriptions.GetCount() ; i++ )
1708 {
1709 pos = filters[i].Find(wxT(';'));
1710 if (pos != wxNOT_FOUND)
1711 {
1712 // first split only filters
1713 descriptions.Insert(descriptions[i],i+1);
1714 filters.Insert(filters[i].Mid(pos+1),i+1);
1715 filters[i]=filters[i].Left(pos);
1716
1717 // autoreplace new filter in description with pattern:
1718 // C/C++ Files(*.cpp;*.c;*.h)|*.cpp;*.c;*.h
1719 // cause split into:
1720 // C/C++ Files(*.cpp)|*.cpp
1721 // C/C++ Files(*.c;*.h)|*.c;*.h
1722 // and next iteration cause another split into:
1723 // C/C++ Files(*.cpp)|*.cpp
1724 // C/C++ Files(*.c)|*.c
1725 // C/C++ Files(*.h)|*.h
1726 for ( size_t k=i;k<i+2;k++ )
1727 {
1728 pos = descriptions[k].Find(filters[k]);
1729 if (pos != wxNOT_FOUND)
1730 {
1731 wxString before = descriptions[k].Left(pos);
1732 wxString after = descriptions[k].Mid(pos+filters[k].Len());
1733 pos = before.Find(wxT('('),true);
1734 if (pos>before.Find(wxT(')'),true))
1735 {
1736 before = before.Left(pos+1);
1737 before << filters[k];
1738 pos = after.Find(wxT(')'));
1739 int pos1 = after.Find(wxT('('));
1740 if (pos != wxNOT_FOUND && (pos<pos1 || pos1==wxNOT_FOUND))
1741 {
1742 before << after.Mid(pos);
1743 descriptions[k] = before;
1744 }
1745 }
1746 }
1747 }
1748 }
1749 }
1750#endif
1751
1752 // autocompletion
1753 for( size_t j = 0 ; j < descriptions.GetCount() ; j++ )
1754 {
1755 if ( descriptions[j].empty() && !filters[j].empty() )
1756 {
1757 descriptions[j].Printf(_("Files (%s)"), filters[j].c_str());
1758 }
1759 }
1760
1761 return filters.GetCount();
1762}
1763
1764#if defined(__WINDOWS__) && !(defined(__UNIX__) || defined(__OS2__))
1765static bool wxCheckWin32Permission(const wxString& path, DWORD access)
1766{
1767 // quoting the MSDN: "To obtain a handle to a directory, call the
1768 // CreateFile function with the FILE_FLAG_BACKUP_SEMANTICS flag", but this
1769 // doesn't work under Win9x/ME but then it's not needed there anyhow
1770 const DWORD dwAttr = ::GetFileAttributes(path.t_str());
1771 if ( dwAttr == INVALID_FILE_ATTRIBUTES )
1772 {
1773 // file probably doesn't exist at all
1774 return false;
1775 }
1776
1777 if ( wxGetOsVersion() == wxOS_WINDOWS_9X )
1778 {
1779 // FAT directories always allow all access, even if they have the
1780 // readonly flag set, and FAT files can only be read-only
1781 return (dwAttr & FILE_ATTRIBUTE_DIRECTORY) ||
1782 (access != GENERIC_WRITE ||
1783 !(dwAttr & FILE_ATTRIBUTE_READONLY));
1784 }
1785
1786 HANDLE h = ::CreateFile
1787 (
1788 path.t_str(),
1789 access,
1790 FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
1791 NULL,
1792 OPEN_EXISTING,
1793 dwAttr & FILE_ATTRIBUTE_DIRECTORY
1794 ? FILE_FLAG_BACKUP_SEMANTICS
1795 : 0,
1796 NULL
1797 );
1798 if ( h != INVALID_HANDLE_VALUE )
1799 CloseHandle(h);
1800
1801 return h != INVALID_HANDLE_VALUE;
1802}
1803#endif // __WINDOWS__
1804
1805bool wxIsWritable(const wxString &path)
1806{
1807#if defined( __UNIX__ ) || defined(__OS2__)
1808 // access() will take in count also symbolic links
1809 return wxAccess(path.c_str(), W_OK) == 0;
1810#elif defined( __WINDOWS__ )
1811 return wxCheckWin32Permission(path, GENERIC_WRITE);
1812#else
1813 wxUnusedVar(path);
1814 // TODO
1815 return false;
1816#endif
1817}
1818
1819bool wxIsReadable(const wxString &path)
1820{
1821#if defined( __UNIX__ ) || defined(__OS2__)
1822 // access() will take in count also symbolic links
1823 return wxAccess(path.c_str(), R_OK) == 0;
1824#elif defined( __WINDOWS__ )
1825 return wxCheckWin32Permission(path, GENERIC_READ);
1826#else
1827 wxUnusedVar(path);
1828 // TODO
1829 return false;
1830#endif
1831}
1832
1833bool wxIsExecutable(const wxString &path)
1834{
1835#if defined( __UNIX__ ) || defined(__OS2__)
1836 // access() will take in count also symbolic links
1837 return wxAccess(path.c_str(), X_OK) == 0;
1838#elif defined( __WINDOWS__ )
1839 return wxCheckWin32Permission(path, GENERIC_EXECUTE);
1840#else
1841 wxUnusedVar(path);
1842 // TODO
1843 return false;
1844#endif
1845}
1846
1847// Return the type of an open file
1848//
1849// Some file types on some platforms seem seekable but in fact are not.
1850// The main use of this function is to allow such cases to be detected
1851// (IsSeekable() is implemented as wxGetFileKind() == wxFILE_KIND_DISK).
1852//
1853// This is important for the archive streams, which benefit greatly from
1854// being able to seek on a stream, but which will produce corrupt archives
1855// if they unknowingly seek on a non-seekable stream.
1856//
1857// wxFILE_KIND_DISK is a good catch all return value, since other values
1858// disable features of the archive streams. Some other value must be returned
1859// for a file type that appears seekable but isn't.
1860//
1861// Known examples:
1862// * Pipes on Windows
1863// * Files on VMS with a record format other than StreamLF
1864//
1865wxFileKind wxGetFileKind(int fd)
1866{
1867#if defined __WINDOWS__ && !defined __WXWINCE__ && defined wxGetOSFHandle
1868 switch (::GetFileType(wxGetOSFHandle(fd)) & ~FILE_TYPE_REMOTE)
1869 {
1870 case FILE_TYPE_CHAR:
1871 return wxFILE_KIND_TERMINAL;
1872 case FILE_TYPE_DISK:
1873 return wxFILE_KIND_DISK;
1874 case FILE_TYPE_PIPE:
1875 return wxFILE_KIND_PIPE;
1876 }
1877
1878 return wxFILE_KIND_UNKNOWN;
1879
1880#elif defined(__UNIX__)
1881 if (isatty(fd))
1882 return wxFILE_KIND_TERMINAL;
1883
1884 struct stat st;
1885 fstat(fd, &st);
1886
1887 if (S_ISFIFO(st.st_mode))
1888 return wxFILE_KIND_PIPE;
1889 if (!S_ISREG(st.st_mode))
1890 return wxFILE_KIND_UNKNOWN;
1891
1892 #if defined(__VMS__)
1893 if (st.st_fab_rfm != FAB$C_STMLF)
1894 return wxFILE_KIND_UNKNOWN;
1895 #endif
1896
1897 return wxFILE_KIND_DISK;
1898
1899#else
1900 #define wxFILEKIND_STUB
1901 (void)fd;
1902 return wxFILE_KIND_DISK;
1903#endif
1904}
1905
1906wxFileKind wxGetFileKind(FILE *fp)
1907{
1908 // Note: The watcom rtl dll doesn't have fileno (the static lib does).
1909 // Should be fixed in version 1.4.
1910#if defined(wxFILEKIND_STUB) || wxONLY_WATCOM_EARLIER_THAN(1,4)
1911 (void)fp;
1912 return wxFILE_KIND_DISK;
1913#elif defined(__WINDOWS__) && !defined(__CYGWIN__) && !defined(__WATCOMC__) && !defined(__WINE__)
1914 return fp ? wxGetFileKind(_fileno(fp)) : wxFILE_KIND_UNKNOWN;
1915#else
1916 return fp ? wxGetFileKind(fileno(fp)) : wxFILE_KIND_UNKNOWN;
1917#endif
1918}
1919
1920
1921//------------------------------------------------------------------------
1922// wild character routines
1923//------------------------------------------------------------------------
1924
1925bool wxIsWild( const wxString& pattern )
1926{
1927 for ( wxString::const_iterator p = pattern.begin(); p != pattern.end(); ++p )
1928 {
1929 switch ( (*p).GetValue() )
1930 {
1931 case wxT('?'):
1932 case wxT('*'):
1933 case wxT('['):
1934 case wxT('{'):
1935 return true;
1936
1937 case wxT('\\'):
1938 if ( ++p == pattern.end() )
1939 return false;
1940 }
1941 }
1942 return false;
1943}
1944
1945/*
1946* Written By Douglas A. Lewis <dalewis@cs.Buffalo.EDU>
1947*
1948* The match procedure is public domain code (from ircII's reg.c)
1949* but modified to suit our tastes (RN: No "%" syntax I guess)
1950*/
1951
1952bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
1953{
1954 if (text.empty())
1955 {
1956 /* Match if both are empty. */
1957 return pat.empty();
1958 }
1959
1960 const wxChar *m = pat.c_str(),
1961 *n = text.c_str(),
1962 *ma = NULL,
1963 *na = NULL;
1964 int just = 0,
1965 acount = 0,
1966 count = 0;
1967
1968 if (dot_special && (*n == wxT('.')))
1969 {
1970 /* Never match so that hidden Unix files
1971 * are never found. */
1972 return false;
1973 }
1974
1975 for (;;)
1976 {
1977 if (*m == wxT('*'))
1978 {
1979 ma = ++m;
1980 na = n;
1981 just = 1;
1982 acount = count;
1983 }
1984 else if (*m == wxT('?'))
1985 {
1986 m++;
1987 if (!*n++)
1988 return false;
1989 }
1990 else
1991 {
1992 if (*m == wxT('\\'))
1993 {
1994 m++;
1995 /* Quoting "nothing" is a bad thing */
1996 if (!*m)
1997 return false;
1998 }
1999 if (!*m)
2000 {
2001 /*
2002 * If we are out of both strings or we just
2003 * saw a wildcard, then we can say we have a
2004 * match
2005 */
2006 if (!*n)
2007 return true;
2008 if (just)
2009 return true;
2010 just = 0;
2011 goto not_matched;
2012 }
2013 /*
2014 * We could check for *n == NULL at this point, but
2015 * since it's more common to have a character there,
2016 * check to see if they match first (m and n) and
2017 * then if they don't match, THEN we can check for
2018 * the NULL of n
2019 */
2020 just = 0;
2021 if (*m == *n)
2022 {
2023 m++;
2024 count++;
2025 n++;
2026 }
2027 else
2028 {
2029
2030 not_matched:
2031
2032 /*
2033 * If there are no more characters in the
2034 * string, but we still need to find another
2035 * character (*m != NULL), then it will be
2036 * impossible to match it
2037 */
2038 if (!*n)
2039 return false;
2040
2041 if (ma)
2042 {
2043 m = ma;
2044 n = ++na;
2045 count = acount;
2046 }
2047 else
2048 return false;
2049 }
2050 }
2051 }
2052}
2053
2054#ifdef __VISUALC__
2055 #pragma warning(default:4706) // assignment within conditional expression
2056#endif // VC++
wxWidgets (Impactor)