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Update version to 2.9.4 in version.bkl too and rebake everything.
[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 __MWERKS__ || 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 __WXMSW__
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(__WXMSW__) || 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 __WXMSW__
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 __WXMSW__
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 __WXMSW__
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 __WXMSW__
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 __WXMSW__
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 --> ${OPENWINHOME}/lib
666
667 The call wxExpandPath can convert these back!
668 */
669wxChar *
670wxContractPath (const wxString& filename,
671 const wxString& WXUNUSED_IN_WINCE(envname),
672 const wxString& user)
673{
674 static wxChar dest[_MAXPATHLEN];
675
676 if (filename.empty())
677 return NULL;
678
679 wxStrcpy (dest, filename);
680#ifdef __WXMSW__
681 wxUnix2DosFilename(dest);
682#endif
683
684 // Handle environment
685 wxString val;
686#ifndef __WXWINCE__
687 wxChar *tcp;
688 if (!envname.empty() && !(val = wxGetenv (envname)).empty() &&
689 (tcp = wxStrstr (dest, val)) != NULL)
690 {
691 wxStrcpy (wxFileFunctionsBuffer, tcp + val.length());
692 *tcp++ = wxT('$');
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(__WXMSW__) || 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(__WXMSW__) || 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 ( additionalPathComponent )
846 {
847 CFURLRef parentURLRef = fullURLRef ;
848 fullURLRef = CFURLCreateCopyAppendingPathComponent(NULL, parentURLRef,
849 additionalPathComponent,false);
850 CFRelease( parentURLRef ) ;
851 }
852 CFStringRef cfString = CFURLCopyFileSystemPath(fullURLRef, kDefaultPathStyle);
853 CFRelease( fullURLRef ) ;
854 CFMutableStringRef cfMutableString = CFStringCreateMutableCopy(NULL, 0, cfString);
855 CFRelease( cfString );
856 CFStringNormalize(cfMutableString,kCFStringNormalizationFormC);
857 return wxCFStringRef(cfMutableString).AsString();
858}
859
860OSStatus wxMacPathToFSRef( const wxString&path , FSRef *fsRef )
861{
862 OSStatus err = noErr ;
863 CFMutableStringRef cfMutableString = CFStringCreateMutableCopy(NULL, 0, wxCFStringRef(path));
864 CFStringNormalize(cfMutableString,kCFStringNormalizationFormD);
865 CFURLRef url = CFURLCreateWithFileSystemPath(kCFAllocatorDefault, cfMutableString , kDefaultPathStyle, false);
866 CFRelease( cfMutableString );
867 if ( NULL != url )
868 {
869 if ( CFURLGetFSRef(url, fsRef) == false )
870 err = fnfErr ;
871 CFRelease( url ) ;
872 }
873 else
874 {
875 err = fnfErr ;
876 }
877 return err ;
878}
879
880wxString wxMacHFSUniStrToString( ConstHFSUniStr255Param uniname )
881{
882 CFStringRef cfname = CFStringCreateWithCharacters( kCFAllocatorDefault,
883 uniname->unicode,
884 uniname->length );
885 CFMutableStringRef cfMutableString = CFStringCreateMutableCopy(NULL, 0, cfname);
886 CFRelease( cfname );
887 CFStringNormalize(cfMutableString,kCFStringNormalizationFormC);
888 return wxCFStringRef(cfMutableString).AsString() ;
889}
890
891#ifndef __LP64__
892
893wxString wxMacFSSpec2MacFilename( const FSSpec *spec )
894{
895 FSRef fsRef ;
896 if ( FSpMakeFSRef( spec , &fsRef) == noErr )
897 {
898 return wxMacFSRefToPath( &fsRef ) ;
899 }
900 return wxEmptyString ;
901}
902
903void wxMacFilename2FSSpec( const wxString& path , FSSpec *spec )
904{
905 OSStatus err = noErr;
906 FSRef fsRef;
907 wxMacPathToFSRef( path , &fsRef );
908 err = FSGetCatalogInfo(&fsRef, kFSCatInfoNone, NULL, NULL, spec, NULL);
909 verify_noerr( err );
910}
911#endif
912
913#endif // __WXMAC__
914
915
916#if WXWIN_COMPATIBILITY_2_8
917
918template<typename T>
919static void wxDoDos2UnixFilename(T *s)
920{
921 if (s)
922 while (*s)
923 {
924 if (*s == wxT('\\'))
925 *s = wxT('/');
926#ifdef __WXMSW__
927 else
928 *s = wxTolower(*s); // Case INDEPENDENT
929#endif
930 s++;
931 }
932}
933
934void wxDos2UnixFilename(char *s) { wxDoDos2UnixFilename(s); }
935void wxDos2UnixFilename(wchar_t *s) { wxDoDos2UnixFilename(s); }
936
937template<typename T>
938static void
939#if defined(__WXMSW__) || defined(__OS2__)
940wxDoUnix2DosFilename(T *s)
941#else
942wxDoUnix2DosFilename(T *WXUNUSED(s) )
943#endif
944{
945// Yes, I really mean this to happen under DOS only! JACS
946#if defined(__WXMSW__) || defined(__OS2__)
947 if (s)
948 while (*s)
949 {
950 if (*s == wxT('/'))
951 *s = wxT('\\');
952 s++;
953 }
954#endif
955}
956
957void wxUnix2DosFilename(char *s) { wxDoUnix2DosFilename(s); }
958void wxUnix2DosFilename(wchar_t *s) { wxDoUnix2DosFilename(s); }
959
960#endif // #if WXWIN_COMPATIBILITY_2_8
961
962// Concatenate two files to form third
963bool
964wxConcatFiles (const wxString& file1, const wxString& file2, const wxString& file3)
965{
966#if wxUSE_FILE
967
968 wxFile in1(file1), in2(file2);
969 wxTempFile out(file3);
970
971 if ( !in1.IsOpened() || !in2.IsOpened() || !out.IsOpened() )
972 return false;
973
974 ssize_t ofs;
975 unsigned char buf[1024];
976
977 for( int i=0; i<2; i++)
978 {
979 wxFile *in = i==0 ? &in1 : &in2;
980 do{
981 if ( (ofs = in->Read(buf,WXSIZEOF(buf))) == wxInvalidOffset ) return false;
982 if ( ofs > 0 )
983 if ( !out.Write(buf,ofs) )
984 return false;
985 } while ( ofs == (ssize_t)WXSIZEOF(buf) );
986 }
987
988 return out.Commit();
989
990#else
991
992 wxUnusedVar(file1);
993 wxUnusedVar(file2);
994 wxUnusedVar(file3);
995 return false;
996
997#endif
998}
999
1000// helper of generic implementation of wxCopyFile()
1001#if !(defined(__WIN32__) || defined(__OS2__) || defined(__PALMOS__)) && \
1002 wxUSE_FILE
1003
1004static bool
1005wxDoCopyFile(wxFile& fileIn,
1006 const wxStructStat& fbuf,
1007 const wxString& filenameDst,
1008 bool overwrite)
1009{
1010 // reset the umask as we want to create the file with exactly the same
1011 // permissions as the original one
1012 wxCHANGE_UMASK(0);
1013
1014 // create file2 with the same permissions than file1 and open it for
1015 // writing
1016
1017 wxFile fileOut;
1018 if ( !fileOut.Create(filenameDst, overwrite, fbuf.st_mode & 0777) )
1019 return false;
1020
1021 // copy contents of file1 to file2
1022 char buf[4096];
1023 for ( ;; )
1024 {
1025 ssize_t count = fileIn.Read(buf, WXSIZEOF(buf));
1026 if ( count == wxInvalidOffset )
1027 return false;
1028
1029 // end of file?
1030 if ( !count )
1031 break;
1032
1033 if ( fileOut.Write(buf, count) < (size_t)count )
1034 return false;
1035 }
1036
1037 // we can expect fileIn to be closed successfully, but we should ensure
1038 // that fileOut was closed as some write errors (disk full) might not be
1039 // detected before doing this
1040 return fileIn.Close() && fileOut.Close();
1041}
1042
1043#endif // generic implementation of wxCopyFile
1044
1045// Copy files
1046bool
1047wxCopyFile (const wxString& file1, const wxString& file2, bool overwrite)
1048{
1049#if defined(__WIN32__) && !defined(__WXMICROWIN__)
1050 // CopyFile() copies file attributes and modification time too, so use it
1051 // instead of our code if available
1052 //
1053 // NB: 3rd parameter is bFailIfExists i.e. the inverse of overwrite
1054 if ( !::CopyFile(file1.t_str(), file2.t_str(), !overwrite) )
1055 {
1056 wxLogSysError(_("Failed to copy the file '%s' to '%s'"),
1057 file1.c_str(), file2.c_str());
1058
1059 return false;
1060 }
1061#elif defined(__OS2__)
1062 if ( ::DosCopy(file1.c_str(), file2.c_str(), overwrite ? DCPY_EXISTING : 0) != 0 )
1063 return false;
1064#elif defined(__PALMOS__)
1065 // TODO with http://www.palmos.com/dev/support/docs/protein_books/Memory_Databases_Files/
1066 return false;
1067#elif wxUSE_FILE // !Win32
1068
1069 wxStructStat fbuf;
1070 // get permissions of file1
1071 if ( wxStat( file1, &fbuf) != 0 )
1072 {
1073 // the file probably doesn't exist or we haven't the rights to read
1074 // from it anyhow
1075 wxLogSysError(_("Impossible to get permissions for file '%s'"),
1076 file1.c_str());
1077 return false;
1078 }
1079
1080 // open file1 for reading
1081 wxFile fileIn(file1, wxFile::read);
1082 if ( !fileIn.IsOpened() )
1083 return false;
1084
1085 // remove file2, if it exists. This is needed for creating
1086 // file2 with the correct permissions in the next step
1087 if ( wxFileExists(file2) && (!overwrite || !wxRemoveFile(file2)))
1088 {
1089 wxLogSysError(_("Impossible to overwrite the file '%s'"),
1090 file2.c_str());
1091 return false;
1092 }
1093
1094 wxDoCopyFile(fileIn, fbuf, file2, overwrite);
1095
1096#if defined(__WXMAC__) || defined(__WXCOCOA__)
1097 // copy the resource fork of the file too if it's present
1098 wxString pathRsrcOut;
1099 wxFile fileRsrcIn;
1100
1101 {
1102 // suppress error messages from this block as resource forks don't have
1103 // to exist
1104 wxLogNull noLog;
1105
1106 // it's not enough to check for file existence: it always does on HFS
1107 // but is empty for files without resources
1108 if ( fileRsrcIn.Open(file1 + wxT("/..namedfork/rsrc")) &&
1109 fileRsrcIn.Length() > 0 )
1110 {
1111 // we must be using HFS or another filesystem with resource fork
1112 // support, suppose that destination file system also is HFS[-like]
1113 pathRsrcOut = file2 + wxT("/..namedfork/rsrc");
1114 }
1115 else // check if we have resource fork in separate file (non-HFS case)
1116 {
1117 wxFileName fnRsrc(file1);
1118 fnRsrc.SetName(wxT("._") + fnRsrc.GetName());
1119
1120 fileRsrcIn.Close();
1121 if ( fileRsrcIn.Open( fnRsrc.GetFullPath() ) )
1122 {
1123 fnRsrc = file2;
1124 fnRsrc.SetName(wxT("._") + fnRsrc.GetName());
1125
1126 pathRsrcOut = fnRsrc.GetFullPath();
1127 }
1128 }
1129 }
1130
1131 if ( !pathRsrcOut.empty() )
1132 {
1133 if ( !wxDoCopyFile(fileRsrcIn, fbuf, pathRsrcOut, overwrite) )
1134 return false;
1135 }
1136#endif // wxMac || wxCocoa
1137
1138#if !defined(__VISAGECPP__) && !defined(__WXMAC__) || defined(__UNIX__)
1139 // no chmod in VA. Should be some permission API for HPFS386 partitions
1140 // however
1141 if ( chmod(file2.fn_str(), fbuf.st_mode) != 0 )
1142 {
1143 wxLogSysError(_("Impossible to set permissions for the file '%s'"),
1144 file2.c_str());
1145 return false;
1146 }
1147#endif // OS/2 || Mac
1148
1149#else // !Win32 && ! wxUSE_FILE
1150
1151 // impossible to simulate with wxWidgets API
1152 wxUnusedVar(file1);
1153 wxUnusedVar(file2);
1154 wxUnusedVar(overwrite);
1155 return false;
1156
1157#endif // __WXMSW__ && __WIN32__
1158
1159 return true;
1160}
1161
1162bool
1163wxRenameFile(const wxString& file1, const wxString& file2, bool overwrite)
1164{
1165 if ( !overwrite && wxFileExists(file2) )
1166 {
1167 wxLogSysError
1168 (
1169 _("Failed to rename the file '%s' to '%s' because the destination file already exists."),
1170 file1.c_str(), file2.c_str()
1171 );
1172
1173 return false;
1174 }
1175
1176#if !defined(__WXWINCE__) && !defined(__WXPALMOS__)
1177 // Normal system call
1178 if ( wxRename (file1, file2) == 0 )
1179 return true;
1180#endif
1181
1182 // Try to copy
1183 if (wxCopyFile(file1, file2, overwrite)) {
1184 wxRemoveFile(file1);
1185 return true;
1186 }
1187 // Give up
1188 wxLogSysError(_("File '%s' couldn't be renamed '%s'"), file1, file2);
1189 return false;
1190}
1191
1192bool wxRemoveFile(const wxString& file)
1193{
1194#if defined(__VISUALC__) \
1195 || defined(__BORLANDC__) \
1196 || defined(__WATCOMC__) \
1197 || defined(__DMC__) \
1198 || defined(__GNUWIN32__) \
1199 || (defined(__MWERKS__) && defined(__MSL__))
1200 int res = wxRemove(file);
1201#elif defined(__WXMAC__)
1202 int res = unlink(file.fn_str());
1203#elif defined(__WXPALMOS__)
1204 int res = 1;
1205 // TODO with VFSFileDelete()
1206#else
1207 int res = unlink(file.fn_str());
1208#endif
1209 if ( res )
1210 {
1211 wxLogSysError(_("File '%s' couldn't be removed"), file);
1212 }
1213 return res == 0;
1214}
1215
1216bool wxMkdir(const wxString& dir, int perm)
1217{
1218#if defined(__WXPALMOS__)
1219 return false;
1220#else
1221#if defined(__WXMAC__) && !defined(__UNIX__)
1222 if ( mkdir(dir.fn_str(), 0) != 0 )
1223
1224 // assume mkdir() has 2 args on non Windows-OS/2 platforms and on Windows too
1225 // for the GNU compiler
1226#elif (!(defined(__WXMSW__) || defined(__OS2__) || defined(__DOS__))) || \
1227 (defined(__GNUWIN32__) && !defined(__MINGW32__)) || \
1228 defined(__WINE__) || defined(__WXMICROWIN__)
1229 const wxChar *dirname = dir.c_str();
1230 #if defined(MSVCRT)
1231 wxUnusedVar(perm);
1232 if ( mkdir(wxFNCONV(dirname)) != 0 )
1233 #else
1234 if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1235 #endif
1236#elif defined(__OS2__)
1237 wxUnusedVar(perm);
1238 if (::DosCreateDir(dir.c_str(), NULL) != 0) // enhance for EAB's??
1239#elif defined(__DOS__)
1240 const wxChar *dirname = dir.c_str();
1241 #if defined(__WATCOMC__)
1242 (void)perm;
1243 if ( wxMkDir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
1244 #elif defined(__DJGPP__)
1245 if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1246 #else
1247 #error "Unsupported DOS compiler!"
1248 #endif
1249#else // !MSW, !DOS and !OS/2 VAC++
1250 wxUnusedVar(perm);
1251 #ifdef __WXWINCE__
1252 if ( CreateDirectory(dir.fn_str(), NULL) == 0 )
1253 #else
1254 if ( wxMkDir(dir.fn_str()) != 0 )
1255 #endif
1256#endif // !MSW/MSW
1257 {
1258 wxLogSysError(_("Directory '%s' couldn't be created"), dir);
1259 return false;
1260 }
1261
1262 return true;
1263#endif // PALMOS/!PALMOS
1264}
1265
1266bool wxRmdir(const wxString& dir, int WXUNUSED(flags))
1267{
1268#if defined(__VMS__)
1269 return false; //to be changed since rmdir exists in VMS7.x
1270#elif defined(__WXPALMOS__)
1271 // TODO with VFSFileRename()
1272 return false;
1273#else
1274 #if defined(__OS2__)
1275 if ( ::DosDeleteDir(dir.c_str()) != 0 )
1276 #elif defined(__WXWINCE__)
1277 if ( RemoveDirectory(dir.fn_str()) == 0 )
1278 #else
1279 if ( wxRmDir(dir.fn_str()) != 0 )
1280 #endif
1281 {
1282 wxLogSysError(_("Directory '%s' couldn't be deleted"), dir);
1283 return false;
1284 }
1285
1286 return true;
1287#endif // PALMOS/!PALMOS
1288}
1289
1290// does the path exists? (may have or not '/' or '\\' at the end)
1291bool wxDirExists(const wxString& pathName)
1292{
1293 return wxFileName::DirExists(pathName);
1294}
1295
1296#if WXWIN_COMPATIBILITY_2_8
1297
1298// Get a temporary filename, opening and closing the file.
1299wxChar *wxGetTempFileName(const wxString& prefix, wxChar *buf)
1300{
1301 wxString filename;
1302 if ( !wxGetTempFileName(prefix, filename) )
1303 return NULL;
1304
1305 if ( buf )
1306#ifdef _PACC_VER
1307 // work around the PalmOS pacc compiler bug
1308 wxStrcpy(buf, filename.data());
1309#else
1310 wxStrcpy(buf, filename);
1311#endif
1312 else
1313 buf = MYcopystring(filename);
1314
1315 return buf;
1316}
1317
1318bool wxGetTempFileName(const wxString& prefix, wxString& buf)
1319{
1320#if wxUSE_FILE
1321 buf = wxFileName::CreateTempFileName(prefix);
1322
1323 return !buf.empty();
1324#else // !wxUSE_FILE
1325 wxUnusedVar(prefix);
1326 wxUnusedVar(buf);
1327
1328 return false;
1329#endif // wxUSE_FILE/!wxUSE_FILE
1330}
1331
1332#endif // #if WXWIN_COMPATIBILITY_2_8
1333
1334// Get first file name matching given wild card.
1335
1336static wxDir *gs_dir = NULL;
1337static wxString gs_dirPath;
1338
1339wxString wxFindFirstFile(const wxString& spec, int flags)
1340{
1341 wxFileName::SplitPath(spec, &gs_dirPath, NULL, NULL);
1342 if ( gs_dirPath.empty() )
1343 gs_dirPath = wxT(".");
1344 if ( !wxEndsWithPathSeparator(gs_dirPath ) )
1345 gs_dirPath << wxFILE_SEP_PATH;
1346
1347 delete gs_dir; // can be NULL, this is ok
1348 gs_dir = new wxDir(gs_dirPath);
1349
1350 if ( !gs_dir->IsOpened() )
1351 {
1352 wxLogSysError(_("Cannot enumerate files '%s'"), spec);
1353 return wxEmptyString;
1354 }
1355
1356 int dirFlags;
1357 switch (flags)
1358 {
1359 case wxDIR: dirFlags = wxDIR_DIRS; break;
1360 case wxFILE: dirFlags = wxDIR_FILES; break;
1361 default: dirFlags = wxDIR_DIRS | wxDIR_FILES; break;
1362 }
1363
1364 wxString result;
1365 gs_dir->GetFirst(&result, wxFileNameFromPath(spec), dirFlags);
1366 if ( result.empty() )
1367 {
1368 wxDELETE(gs_dir);
1369 return result;
1370 }
1371
1372 return gs_dirPath + result;
1373}
1374
1375wxString wxFindNextFile()
1376{
1377 wxCHECK_MSG( gs_dir, "", "You must call wxFindFirstFile before!" );
1378
1379 wxString result;
1380 gs_dir->GetNext(&result);
1381
1382 if ( result.empty() )
1383 {
1384 wxDELETE(gs_dir);
1385 return result;
1386 }
1387
1388 return gs_dirPath + result;
1389}
1390
1391
1392// Get current working directory.
1393// If buf is NULL, allocates space using new, else copies into buf.
1394// wxGetWorkingDirectory() is obsolete, use wxGetCwd()
1395// wxDoGetCwd() is their common core to be moved
1396// to wxGetCwd() once wxGetWorkingDirectory() will be removed.
1397// Do not expose wxDoGetCwd in headers!
1398
1399wxChar *wxDoGetCwd(wxChar *buf, int sz)
1400{
1401#if defined(__WXPALMOS__)
1402 // TODO
1403 if(buf && sz>0) buf[0] = wxT('\0');
1404 return buf;
1405#elif defined(__WXWINCE__)
1406 // TODO
1407 if(buf && sz>0) buf[0] = wxT('\0');
1408 return buf;
1409#else
1410 if ( !buf )
1411 {
1412 buf = new wxChar[sz + 1];
1413 }
1414
1415 bool ok wxDUMMY_INITIALIZE(false);
1416
1417 // for the compilers which have Unicode version of _getcwd(), call it
1418 // directly, for the others call the ANSI version and do the translation
1419#if !wxUSE_UNICODE
1420 #define cbuf buf
1421#else // wxUSE_UNICODE
1422 bool needsANSI = true;
1423
1424 #if !defined(HAVE_WGETCWD) || wxUSE_UNICODE_MSLU
1425 char cbuf[_MAXPATHLEN];
1426 #endif
1427
1428 #ifdef HAVE_WGETCWD
1429 #if wxUSE_UNICODE_MSLU
1430 if ( wxGetOsVersion() != wxOS_WINDOWS_9X )
1431 #else
1432 char *cbuf = NULL; // never really used because needsANSI will always be false
1433 #endif
1434 {
1435 ok = _wgetcwd(buf, sz) != NULL;
1436 needsANSI = false;
1437 }
1438 #endif
1439
1440 if ( needsANSI )
1441#endif // wxUSE_UNICODE
1442 {
1443 #if defined(_MSC_VER) || defined(__MINGW32__)
1444 ok = _getcwd(cbuf, sz) != NULL;
1445 #elif defined(__OS2__)
1446 APIRET rc;
1447 ULONG ulDriveNum = 0;
1448 ULONG ulDriveMap = 0;
1449 rc = ::DosQueryCurrentDisk(&ulDriveNum, &ulDriveMap);
1450 ok = rc == 0;
1451 if (ok)
1452 {
1453 sz -= 3;
1454 rc = ::DosQueryCurrentDir( 0 // current drive
1455 ,(PBYTE)cbuf + 3
1456 ,(PULONG)&sz
1457 );
1458 cbuf[0] = char('A' + (ulDriveNum - 1));
1459 cbuf[1] = ':';
1460 cbuf[2] = '\\';
1461 ok = rc == 0;
1462 }
1463 #else // !Win32/VC++ !Mac !OS2
1464 ok = getcwd(cbuf, sz) != NULL;
1465 #endif // platform
1466
1467 #if wxUSE_UNICODE
1468 // finally convert the result to Unicode if needed
1469 wxConvFile.MB2WC(buf, cbuf, sz);
1470 #endif // wxUSE_UNICODE
1471 }
1472
1473 if ( !ok )
1474 {
1475 wxLogSysError(_("Failed to get the working directory"));
1476
1477 // VZ: the old code used to return "." on error which didn't make any
1478 // sense at all to me - empty string is a better error indicator
1479 // (NULL might be even better but I'm afraid this could lead to
1480 // problems with the old code assuming the return is never NULL)
1481 buf[0] = wxT('\0');
1482 }
1483 else // ok, but we might need to massage the path into the right format
1484 {
1485#ifdef __DJGPP__
1486 // VS: DJGPP is a strange mix of DOS and UNIX API and returns paths
1487 // with / deliminers. We don't like that.
1488 for (wxChar *ch = buf; *ch; ch++)
1489 {
1490 if (*ch == wxT('/'))
1491 *ch = wxT('\\');
1492 }
1493#endif // __DJGPP__
1494
1495// MBN: we hope that in the case the user is compiling a GTK+/Motif app,
1496// he needs Unix as opposed to Win32 pathnames
1497#if defined( __CYGWIN__ ) && defined( __WINDOWS__ )
1498 // another example of DOS/Unix mix (Cygwin)
1499 wxString pathUnix = buf;
1500#if wxUSE_UNICODE
1501 #if CYGWIN_VERSION_DLL_MAJOR >= 1007
1502 cygwin_conv_path(CCP_POSIX_TO_WIN_W, pathUnix.mb_str(wxConvFile), buf, sz);
1503 #else
1504 char bufA[_MAXPATHLEN];
1505 cygwin_conv_to_full_win32_path(pathUnix.mb_str(wxConvFile), bufA);
1506 wxConvFile.MB2WC(buf, bufA, sz);
1507 #endif
1508#else
1509 #if CYGWIN_VERSION_DLL_MAJOR >= 1007
1510 cygwin_conv_path(CCP_POSIX_TO_WIN_A, pathUnix, buf, sz);
1511 #else
1512 cygwin_conv_to_full_win32_path(pathUnix, buf);
1513 #endif
1514#endif // wxUSE_UNICODE
1515#endif // __CYGWIN__
1516 }
1517
1518 return buf;
1519
1520#if !wxUSE_UNICODE
1521 #undef cbuf
1522#endif
1523
1524#endif
1525 // __WXWINCE__
1526}
1527
1528#if WXWIN_COMPATIBILITY_2_6
1529wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
1530{
1531 return wxDoGetCwd(buf,sz);
1532}
1533#endif // WXWIN_COMPATIBILITY_2_6
1534
1535wxString wxGetCwd()
1536{
1537 wxString str;
1538 wxDoGetCwd(wxStringBuffer(str, _MAXPATHLEN), _MAXPATHLEN);
1539 return str;
1540}
1541
1542bool wxSetWorkingDirectory(const wxString& d)
1543{
1544 bool success = false;
1545#if defined(__OS2__)
1546 if (d[1] == ':')
1547 {
1548 ::DosSetDefaultDisk(wxToupper(d[0]) - wxT('A') + 1);
1549 // do not call DosSetCurrentDir when just changing drive,
1550 // since it requires e.g. "d:." instead of "d:"!
1551 if (d.length() == 2)
1552 return true;
1553 }
1554 success = (::DosSetCurrentDir(d.c_str()) == 0);
1555#elif defined(__UNIX__) || defined(__WXMAC__) || defined(__DOS__)
1556 success = (chdir(wxFNSTRINGCAST d.fn_str()) == 0);
1557#elif defined(__WINDOWS__)
1558
1559#ifdef __WIN32__
1560#ifdef __WXWINCE__
1561 // No equivalent in WinCE
1562 wxUnusedVar(d);
1563#else
1564 success = (SetCurrentDirectory(d.fn_str()) != 0);
1565#endif
1566#else
1567 // Must change drive, too.
1568 bool isDriveSpec = ((strlen(d) > 1) && (d[1] == ':'));
1569 if (isDriveSpec)
1570 {
1571 wxChar firstChar = d[0];
1572
1573 // To upper case
1574 if (firstChar > 90)
1575 firstChar = firstChar - 32;
1576
1577 // To a drive number
1578 unsigned int driveNo = firstChar - 64;
1579 if (driveNo > 0)
1580 {
1581 unsigned int noDrives;
1582 _dos_setdrive(driveNo, &noDrives);
1583 }
1584 }
1585 success = (chdir(WXSTRINGCAST d) == 0);
1586#endif
1587
1588#endif
1589 if ( !success )
1590 {
1591 wxLogSysError(_("Could not set current working directory"));
1592 }
1593 return success;
1594}
1595
1596// Get the OS directory if appropriate (such as the Windows directory).
1597// On non-Windows platform, probably just return the empty string.
1598wxString wxGetOSDirectory()
1599{
1600#ifdef __WXWINCE__
1601 return wxString(wxT("\\Windows"));
1602#elif defined(__WINDOWS__) && !defined(__WXMICROWIN__)
1603 wxChar buf[256];
1604 GetWindowsDirectory(buf, 256);
1605 return wxString(buf);
1606#elif defined(__WXMAC__) && wxOSX_USE_CARBON
1607 return wxMacFindFolderNoSeparator(kOnSystemDisk, 'macs', false);
1608#else
1609 return wxEmptyString;
1610#endif
1611}
1612
1613bool wxEndsWithPathSeparator(const wxString& filename)
1614{
1615 return !filename.empty() && wxIsPathSeparator(filename.Last());
1616}
1617
1618// find a file in a list of directories, returns false if not found
1619bool wxFindFileInPath(wxString *pStr, const wxString& szPath, const wxString& szFile)
1620{
1621 // we assume that it's not empty
1622 wxCHECK_MSG( !szFile.empty(), false,
1623 wxT("empty file name in wxFindFileInPath"));
1624
1625 // skip path separator in the beginning of the file name if present
1626 wxString szFile2;
1627 if ( wxIsPathSeparator(szFile[0u]) )
1628 szFile2 = szFile.Mid(1);
1629 else
1630 szFile2 = szFile;
1631
1632 wxStringTokenizer tkn(szPath, wxPATH_SEP);
1633
1634 while ( tkn.HasMoreTokens() )
1635 {
1636 wxString strFile = tkn.GetNextToken();
1637 if ( !wxEndsWithPathSeparator(strFile) )
1638 strFile += wxFILE_SEP_PATH;
1639 strFile += szFile2;
1640
1641 if ( wxFileExists(strFile) )
1642 {
1643 *pStr = strFile;
1644 return true;
1645 }
1646 }
1647
1648 return false;
1649}
1650
1651#if WXWIN_COMPATIBILITY_2_8
1652void WXDLLIMPEXP_BASE wxSplitPath(const wxString& fileName,
1653 wxString *pstrPath,
1654 wxString *pstrName,
1655 wxString *pstrExt)
1656{
1657 wxFileName::SplitPath(fileName, pstrPath, pstrName, pstrExt);
1658}
1659#endif // #if WXWIN_COMPATIBILITY_2_8
1660
1661#if wxUSE_DATETIME
1662
1663time_t WXDLLIMPEXP_BASE wxFileModificationTime(const wxString& filename)
1664{
1665 wxDateTime mtime;
1666 if ( !wxFileName(filename).GetTimes(NULL, &mtime, NULL) )
1667 return (time_t)-1;
1668
1669 return mtime.GetTicks();
1670}
1671
1672#endif // wxUSE_DATETIME
1673
1674
1675// Parses the filterStr, returning the number of filters.
1676// Returns 0 if none or if there's a problem.
1677// filterStr is in the form: "All files (*.*)|*.*|JPEG Files (*.jpeg)|*.jpeg"
1678
1679int WXDLLIMPEXP_BASE wxParseCommonDialogsFilter(const wxString& filterStr,
1680 wxArrayString& descriptions,
1681 wxArrayString& filters)
1682{
1683 descriptions.Clear();
1684 filters.Clear();
1685
1686 wxString str(filterStr);
1687
1688 wxString description, filter;
1689 int pos = 0;
1690 while( pos != wxNOT_FOUND )
1691 {
1692 pos = str.Find(wxT('|'));
1693 if ( pos == wxNOT_FOUND )
1694 {
1695 // if there are no '|'s at all in the string just take the entire
1696 // string as filter and make description empty for later autocompletion
1697 if ( filters.IsEmpty() )
1698 {
1699 descriptions.Add(wxEmptyString);
1700 filters.Add(filterStr);
1701 }
1702 else
1703 {
1704 wxFAIL_MSG( wxT("missing '|' in the wildcard string!") );
1705 }
1706
1707 break;
1708 }
1709
1710 description = str.Left(pos);
1711 str = str.Mid(pos + 1);
1712 pos = str.Find(wxT('|'));
1713 if ( pos == wxNOT_FOUND )
1714 {
1715 filter = str;
1716 }
1717 else
1718 {
1719 filter = str.Left(pos);
1720 str = str.Mid(pos + 1);
1721 }
1722
1723 descriptions.Add(description);
1724 filters.Add(filter);
1725 }
1726
1727#if defined(__WXMOTIF__)
1728 // split it so there is one wildcard per entry
1729 for( size_t i = 0 ; i < descriptions.GetCount() ; i++ )
1730 {
1731 pos = filters[i].Find(wxT(';'));
1732 if (pos != wxNOT_FOUND)
1733 {
1734 // first split only filters
1735 descriptions.Insert(descriptions[i],i+1);
1736 filters.Insert(filters[i].Mid(pos+1),i+1);
1737 filters[i]=filters[i].Left(pos);
1738
1739 // autoreplace new filter in description with pattern:
1740 // C/C++ Files(*.cpp;*.c;*.h)|*.cpp;*.c;*.h
1741 // cause split into:
1742 // C/C++ Files(*.cpp)|*.cpp
1743 // C/C++ Files(*.c;*.h)|*.c;*.h
1744 // and next iteration cause another split into:
1745 // C/C++ Files(*.cpp)|*.cpp
1746 // C/C++ Files(*.c)|*.c
1747 // C/C++ Files(*.h)|*.h
1748 for ( size_t k=i;k<i+2;k++ )
1749 {
1750 pos = descriptions[k].Find(filters[k]);
1751 if (pos != wxNOT_FOUND)
1752 {
1753 wxString before = descriptions[k].Left(pos);
1754 wxString after = descriptions[k].Mid(pos+filters[k].Len());
1755 pos = before.Find(wxT('('),true);
1756 if (pos>before.Find(wxT(')'),true))
1757 {
1758 before = before.Left(pos+1);
1759 before << filters[k];
1760 pos = after.Find(wxT(')'));
1761 int pos1 = after.Find(wxT('('));
1762 if (pos != wxNOT_FOUND && (pos<pos1 || pos1==wxNOT_FOUND))
1763 {
1764 before << after.Mid(pos);
1765 descriptions[k] = before;
1766 }
1767 }
1768 }
1769 }
1770 }
1771 }
1772#endif
1773
1774 // autocompletion
1775 for( size_t j = 0 ; j < descriptions.GetCount() ; j++ )
1776 {
1777 if ( descriptions[j].empty() && !filters[j].empty() )
1778 {
1779 descriptions[j].Printf(_("Files (%s)"), filters[j].c_str());
1780 }
1781 }
1782
1783 return filters.GetCount();
1784}
1785
1786#if defined(__WINDOWS__) && !(defined(__UNIX__) || defined(__OS2__))
1787static bool wxCheckWin32Permission(const wxString& path, DWORD access)
1788{
1789 // quoting the MSDN: "To obtain a handle to a directory, call the
1790 // CreateFile function with the FILE_FLAG_BACKUP_SEMANTICS flag", but this
1791 // doesn't work under Win9x/ME but then it's not needed there anyhow
1792 const DWORD dwAttr = ::GetFileAttributes(path.fn_str());
1793 if ( dwAttr == INVALID_FILE_ATTRIBUTES )
1794 {
1795 // file probably doesn't exist at all
1796 return false;
1797 }
1798
1799 if ( wxGetOsVersion() == wxOS_WINDOWS_9X )
1800 {
1801 // FAT directories always allow all access, even if they have the
1802 // readonly flag set, and FAT files can only be read-only
1803 return (dwAttr & FILE_ATTRIBUTE_DIRECTORY) ||
1804 (access != GENERIC_WRITE ||
1805 !(dwAttr & FILE_ATTRIBUTE_READONLY));
1806 }
1807
1808 HANDLE h = ::CreateFile
1809 (
1810 path.t_str(),
1811 access,
1812 FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
1813 NULL,
1814 OPEN_EXISTING,
1815 dwAttr & FILE_ATTRIBUTE_DIRECTORY
1816 ? FILE_FLAG_BACKUP_SEMANTICS
1817 : 0,
1818 NULL
1819 );
1820 if ( h != INVALID_HANDLE_VALUE )
1821 CloseHandle(h);
1822
1823 return h != INVALID_HANDLE_VALUE;
1824}
1825#endif // __WINDOWS__
1826
1827bool wxIsWritable(const wxString &path)
1828{
1829#if defined( __UNIX__ ) || defined(__OS2__)
1830 // access() will take in count also symbolic links
1831 return wxAccess(path.c_str(), W_OK) == 0;
1832#elif defined( __WINDOWS__ )
1833 return wxCheckWin32Permission(path, GENERIC_WRITE);
1834#else
1835 wxUnusedVar(path);
1836 // TODO
1837 return false;
1838#endif
1839}
1840
1841bool wxIsReadable(const wxString &path)
1842{
1843#if defined( __UNIX__ ) || defined(__OS2__)
1844 // access() will take in count also symbolic links
1845 return wxAccess(path.c_str(), R_OK) == 0;
1846#elif defined( __WINDOWS__ )
1847 return wxCheckWin32Permission(path, GENERIC_READ);
1848#else
1849 wxUnusedVar(path);
1850 // TODO
1851 return false;
1852#endif
1853}
1854
1855bool wxIsExecutable(const wxString &path)
1856{
1857#if defined( __UNIX__ ) || defined(__OS2__)
1858 // access() will take in count also symbolic links
1859 return wxAccess(path.c_str(), X_OK) == 0;
1860#elif defined( __WINDOWS__ )
1861 return wxCheckWin32Permission(path, GENERIC_EXECUTE);
1862#else
1863 wxUnusedVar(path);
1864 // TODO
1865 return false;
1866#endif
1867}
1868
1869// Return the type of an open file
1870//
1871// Some file types on some platforms seem seekable but in fact are not.
1872// The main use of this function is to allow such cases to be detected
1873// (IsSeekable() is implemented as wxGetFileKind() == wxFILE_KIND_DISK).
1874//
1875// This is important for the archive streams, which benefit greatly from
1876// being able to seek on a stream, but which will produce corrupt archives
1877// if they unknowingly seek on a non-seekable stream.
1878//
1879// wxFILE_KIND_DISK is a good catch all return value, since other values
1880// disable features of the archive streams. Some other value must be returned
1881// for a file type that appears seekable but isn't.
1882//
1883// Known examples:
1884// * Pipes on Windows
1885// * Files on VMS with a record format other than StreamLF
1886//
1887wxFileKind wxGetFileKind(int fd)
1888{
1889#if defined __WXMSW__ && !defined __WXWINCE__ && defined wxGetOSFHandle
1890 switch (::GetFileType(wxGetOSFHandle(fd)) & ~FILE_TYPE_REMOTE)
1891 {
1892 case FILE_TYPE_CHAR:
1893 return wxFILE_KIND_TERMINAL;
1894 case FILE_TYPE_DISK:
1895 return wxFILE_KIND_DISK;
1896 case FILE_TYPE_PIPE:
1897 return wxFILE_KIND_PIPE;
1898 }
1899
1900 return wxFILE_KIND_UNKNOWN;
1901
1902#elif defined(__UNIX__)
1903 if (isatty(fd))
1904 return wxFILE_KIND_TERMINAL;
1905
1906 struct stat st;
1907 fstat(fd, &st);
1908
1909 if (S_ISFIFO(st.st_mode))
1910 return wxFILE_KIND_PIPE;
1911 if (!S_ISREG(st.st_mode))
1912 return wxFILE_KIND_UNKNOWN;
1913
1914 #if defined(__VMS__)
1915 if (st.st_fab_rfm != FAB$C_STMLF)
1916 return wxFILE_KIND_UNKNOWN;
1917 #endif
1918
1919 return wxFILE_KIND_DISK;
1920
1921#else
1922 #define wxFILEKIND_STUB
1923 (void)fd;
1924 return wxFILE_KIND_DISK;
1925#endif
1926}
1927
1928wxFileKind wxGetFileKind(FILE *fp)
1929{
1930 // Note: The watcom rtl dll doesn't have fileno (the static lib does).
1931 // Should be fixed in version 1.4.
1932#if defined(wxFILEKIND_STUB) || wxONLY_WATCOM_EARLIER_THAN(1,4)
1933 (void)fp;
1934 return wxFILE_KIND_DISK;
1935#elif defined(__WINDOWS__) && !defined(__CYGWIN__) && !defined(__WATCOMC__) && !defined(__WINE__)
1936 return fp ? wxGetFileKind(_fileno(fp)) : wxFILE_KIND_UNKNOWN;
1937#else
1938 return fp ? wxGetFileKind(fileno(fp)) : wxFILE_KIND_UNKNOWN;
1939#endif
1940}
1941
1942
1943//------------------------------------------------------------------------
1944// wild character routines
1945//------------------------------------------------------------------------
1946
1947bool wxIsWild( const wxString& pattern )
1948{
1949 for ( wxString::const_iterator p = pattern.begin(); p != pattern.end(); ++p )
1950 {
1951 switch ( (*p).GetValue() )
1952 {
1953 case wxT('?'):
1954 case wxT('*'):
1955 case wxT('['):
1956 case wxT('{'):
1957 return true;
1958
1959 case wxT('\\'):
1960 if ( ++p == pattern.end() )
1961 return false;
1962 }
1963 }
1964 return false;
1965}
1966
1967/*
1968* Written By Douglas A. Lewis <dalewis@cs.Buffalo.EDU>
1969*
1970* The match procedure is public domain code (from ircII's reg.c)
1971* but modified to suit our tastes (RN: No "%" syntax I guess)
1972*/
1973
1974bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
1975{
1976 if (text.empty())
1977 {
1978 /* Match if both are empty. */
1979 return pat.empty();
1980 }
1981
1982 const wxChar *m = pat.c_str(),
1983 *n = text.c_str(),
1984 *ma = NULL,
1985 *na = NULL;
1986 int just = 0,
1987 acount = 0,
1988 count = 0;
1989
1990 if (dot_special && (*n == wxT('.')))
1991 {
1992 /* Never match so that hidden Unix files
1993 * are never found. */
1994 return false;
1995 }
1996
1997 for (;;)
1998 {
1999 if (*m == wxT('*'))
2000 {
2001 ma = ++m;
2002 na = n;
2003 just = 1;
2004 acount = count;
2005 }
2006 else if (*m == wxT('?'))
2007 {
2008 m++;
2009 if (!*n++)
2010 return false;
2011 }
2012 else
2013 {
2014 if (*m == wxT('\\'))
2015 {
2016 m++;
2017 /* Quoting "nothing" is a bad thing */
2018 if (!*m)
2019 return false;
2020 }
2021 if (!*m)
2022 {
2023 /*
2024 * If we are out of both strings or we just
2025 * saw a wildcard, then we can say we have a
2026 * match
2027 */
2028 if (!*n)
2029 return true;
2030 if (just)
2031 return true;
2032 just = 0;
2033 goto not_matched;
2034 }
2035 /*
2036 * We could check for *n == NULL at this point, but
2037 * since it's more common to have a character there,
2038 * check to see if they match first (m and n) and
2039 * then if they don't match, THEN we can check for
2040 * the NULL of n
2041 */
2042 just = 0;
2043 if (*m == *n)
2044 {
2045 m++;
2046 count++;
2047 n++;
2048 }
2049 else
2050 {
2051
2052 not_matched:
2053
2054 /*
2055 * If there are no more characters in the
2056 * string, but we still need to find another
2057 * character (*m != NULL), then it will be
2058 * impossible to match it
2059 */
2060 if (!*n)
2061 return false;
2062
2063 if (ma)
2064 {
2065 m = ma;
2066 n = ++na;
2067 count = acount;
2068 }
2069 else
2070 return false;
2071 }
2072 }
2073 }
2074}
2075
2076#ifdef __VISUALC__
2077 #pragma warning(default:4706) // assignment within conditional expression
2078#endif // VC++
wxWidgets (Impactor)