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Allow more than one line in a wxStaticText on iOS.
[wxWidgets.git] / src / common / filefn.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/common/filefn.cpp
3 // Purpose: File- and directory-related functions
4 // Author: Julian Smart
5 // Modified by:
6 // Created: 29/01/98
7 // Copyright: (c) 1998 Julian Smart
8 // Licence: wxWindows licence
9 /////////////////////////////////////////////////////////////////////////////
10
11 // ============================================================================
12 // declarations
13 // ============================================================================
14
15 // ----------------------------------------------------------------------------
16 // headers
17 // ----------------------------------------------------------------------------
18
19 // For compilers that support precompilation, includes "wx.h".
20 #include "wx/wxprec.h"
21
22 #ifdef __BORLANDC__
23 #pragma hdrstop
24 #endif
25
26 #include "wx/filefn.h"
27
28 #ifndef WX_PRECOMP
29 #include "wx/intl.h"
30 #include "wx/log.h"
31 #include "wx/utils.h"
32 #include "wx/crt.h"
33 #endif
34
35 #include "wx/dynarray.h"
36 #include "wx/file.h"
37 #include "wx/filename.h"
38 #include "wx/dir.h"
39
40 #include "wx/tokenzr.h"
41
42 // there are just too many of those...
43 #ifdef __VISUALC__
44 #pragma warning(disable:4706) // assignment within conditional expression
45 #endif // VC++
46
47 #include <ctype.h>
48 #include <stdio.h>
49 #include <stdlib.h>
50 #include <string.h>
51 #if !wxONLY_WATCOM_EARLIER_THAN(1,4)
52 #if !(defined(_MSC_VER) && (_MSC_VER > 800))
53 #include <errno.h>
54 #endif
55 #endif
56
57 #if defined(__WXMAC__)
58 #include "wx/osx/private.h" // includes mac headers
59 #endif
60
61 #ifdef __WINDOWS__
62 #include "wx/msw/private.h"
63 #include "wx/msw/missing.h"
64 #include "wx/msw/mslu.h"
65
66 // sys/cygwin.h is needed for cygwin_conv_to_full_win32_path()
67 // and for cygwin_conv_path()
68 //
69 // note that it must be included after <windows.h>
70 #ifdef __GNUWIN32__
71 #ifdef __CYGWIN__
72 #include <sys/cygwin.h>
73 #include <cygwin/version.h>
74 #endif
75 #endif // __GNUWIN32__
76
77 // io.h is needed for _get_osfhandle()
78 // Already included by filefn.h for many Windows compilers
79 #if defined __CYGWIN__
80 #include <io.h>
81 #endif
82 #endif // __WINDOWS__
83
84 #if defined(__VMS__)
85 #include <fab.h>
86 #endif
87
88 // TODO: Borland probably has _wgetcwd as well?
89 #ifdef _MSC_VER
90 #define HAVE_WGETCWD
91 #endif
92
93 // ----------------------------------------------------------------------------
94 // constants
95 // ----------------------------------------------------------------------------
96
97 #ifndef _MAXPATHLEN
98 #define _MAXPATHLEN 1024
99 #endif
100
101 // ----------------------------------------------------------------------------
102 // private globals
103 // ----------------------------------------------------------------------------
104
105 #if WXWIN_COMPATIBILITY_2_8
106 static 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 //
114 const 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 //
132 int 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
167 bool 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
188 void 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
195 void 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.
224 bool wxPathList::EnsureFileAccessible (const wxString& path)
225 {
226 return Add(wxPathOnly(path));
227 }
228
229 #if WXWIN_COMPATIBILITY_2_6
230 bool wxPathList::Member (const wxString& path) const
231 {
232 return Index(path) != wxNOT_FOUND;
233 }
234 #endif
235
236 wxString 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
270 wxString 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
292 static inline wxChar* MYcopystring(const wxString& s)
293 {
294 wxChar* copy = new wxChar[s.length() + 1];
295 return wxStrcpy(copy, s.c_str());
296 }
297
298 template<typename CharType>
299 static 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
307 bool
308 wxFileExists (const wxString& filename)
309 {
310 return wxFileName::FileExists(filename);
311 }
312
313 bool
314 wxIsAbsolutePath (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
341 template<typename T>
342 static 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
357 void wxStripExtension(char *buffer) { wxDoStripExtension(buffer); }
358 void wxStripExtension(wchar_t *buffer) { wxDoStripExtension(buffer); }
359
360 void wxStripExtension(wxString& buffer)
361 {
362 buffer = wxFileName::StripExtension(buffer);
363 }
364
365 // Destructive removal of /./ and /../ stuff
366 template<typename CharType>
367 static 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
420 char *wxRealPath(char *path)
421 {
422 return wxDoRealPath(path);
423 }
424
425 wchar_t *wxRealPath(wchar_t *path)
426 {
427 return wxDoRealPath(path);
428 }
429
430 wxString 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
441 wxChar *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
487 template<typename CharType>
488 static 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
651 char *wxExpandPath(char *buf, const wxString& name)
652 {
653 return wxDoExpandPath(buf, name);
654 }
655
656 wchar_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 --> ${OPENWINHOME}/lib
666
667 The call wxExpandPath can convert these back!
668 */
669 wxChar *
670 wxContractPath (const wxString& filename,
671 const wxString& WXUNUSED_IN_WINCE(envname),
672 const wxString& user)
673 {
674 static wxChar dest[_MAXPATHLEN];
675
676 if (filename.empty())
677 return NULL;
678
679 wxStrcpy (dest, filename);
680 #ifdef __WINDOWS__
681 wxUnix2DosFilename(dest);
682 #endif
683
684 // Handle environment
685 wxString val;
686 #ifndef __WXWINCE__
687 wxChar *tcp;
688 if (!envname.empty() && !(val = wxGetenv (envname)).empty() &&
689 (tcp = wxStrstr (dest, val)) != NULL)
690 {
691 wxStrcpy (wxFileFunctionsBuffer, tcp + val.length());
692 *tcp++ = wxT('$');
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)
724 wxChar *wxFileNameFromPath (wxChar *path)
725 {
726 wxString p = path;
727 wxString n = wxFileNameFromPath(p);
728
729 return path + p.length() - n.length();
730 }
731
732 wxString wxFileNameFromPath (const wxString& path)
733 {
734 return wxFileName(path).GetFullName();
735 }
736
737 // Return just the directory, or NULL if no directory
738 wxChar *
739 wxPathOnly (wxChar *path)
740 {
741 if (path && *path)
742 {
743 static wxChar buf[_MAXPATHLEN];
744
745 int l = wxStrlen(path);
746 int i = l - 1;
747 if ( i >= _MAXPATHLEN )
748 return NULL;
749
750 // Local copy
751 wxStrcpy (buf, path);
752
753 // Search backward for a backward or forward slash
754 while (i > -1)
755 {
756 // Unix like or Windows
757 if (path[i] == wxT('/') || path[i] == wxT('\\'))
758 {
759 buf[i] = 0;
760 return buf;
761 }
762 #ifdef __VMS__
763 if (path[i] == wxT(']'))
764 {
765 buf[i+1] = 0;
766 return buf;
767 }
768 #endif
769 i --;
770 }
771
772 #if defined(__WINDOWS__) || defined(__OS2__)
773 // Try Drive specifier
774 if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
775 {
776 // A:junk --> A:. (since A:.\junk Not A:\junk)
777 buf[2] = wxT('.');
778 buf[3] = wxT('\0');
779 return buf;
780 }
781 #endif
782 }
783 return NULL;
784 }
785
786 // Return just the directory, or NULL if no directory
787 wxString wxPathOnly (const wxString& path)
788 {
789 if (!path.empty())
790 {
791 wxChar buf[_MAXPATHLEN];
792
793 int l = path.length();
794 int i = l - 1;
795
796 if ( i >= _MAXPATHLEN )
797 return wxString();
798
799 // Local copy
800 wxStrcpy(buf, path);
801
802 // Search backward for a backward or forward slash
803 while (i > -1)
804 {
805 // Unix like or Windows
806 if (path[i] == wxT('/') || path[i] == wxT('\\'))
807 {
808 // Don't return an empty string
809 if (i == 0)
810 i ++;
811 buf[i] = 0;
812 return wxString(buf);
813 }
814 #ifdef __VMS__
815 if (path[i] == wxT(']'))
816 {
817 buf[i+1] = 0;
818 return wxString(buf);
819 }
820 #endif
821 i --;
822 }
823
824 #if defined(__WINDOWS__) || defined(__OS2__)
825 // Try Drive specifier
826 if (wxIsalpha (buf[0]) && buf[1] == wxT(':'))
827 {
828 // A:junk --> A:. (since A:.\junk Not A:\junk)
829 buf[2] = wxT('.');
830 buf[3] = wxT('\0');
831 return wxString(buf);
832 }
833 #endif
834 }
835 return wxEmptyString;
836 }
837
838 // Utility for converting delimiters in DOS filenames to UNIX style
839 // and back again - or we get nasty problems with delimiters.
840 // Also, convert to lower case, since case is significant in UNIX.
841
842 #if defined(__WXMAC__) && !defined(__WXOSX_IPHONE__)
843
844 #define kDefaultPathStyle kCFURLPOSIXPathStyle
845
846 wxString wxMacFSRefToPath( const FSRef *fsRef , CFStringRef additionalPathComponent )
847 {
848 CFURLRef fullURLRef;
849 fullURLRef = CFURLCreateFromFSRef(NULL, fsRef);
850 if ( fullURLRef == NULL)
851 return wxEmptyString;
852
853 if ( additionalPathComponent )
854 {
855 CFURLRef parentURLRef = fullURLRef ;
856 fullURLRef = CFURLCreateCopyAppendingPathComponent(NULL, parentURLRef,
857 additionalPathComponent,false);
858 CFRelease( parentURLRef ) ;
859 }
860 wxCFStringRef cfString( CFURLCopyFileSystemPath(fullURLRef, kDefaultPathStyle ));
861 CFRelease( fullURLRef ) ;
862
863 return wxCFStringRef::AsStringWithNormalizationFormC(cfString);
864 }
865
866 OSStatus wxMacPathToFSRef( const wxString&path , FSRef *fsRef )
867 {
868 OSStatus err = noErr ;
869 CFMutableStringRef cfMutableString = CFStringCreateMutableCopy(NULL, 0, wxCFStringRef(path));
870 CFStringNormalize(cfMutableString,kCFStringNormalizationFormD);
871 CFURLRef url = CFURLCreateWithFileSystemPath(kCFAllocatorDefault, cfMutableString , kDefaultPathStyle, false);
872 CFRelease( cfMutableString );
873 if ( NULL != url )
874 {
875 if ( CFURLGetFSRef(url, fsRef) == false )
876 err = fnfErr ;
877 CFRelease( url ) ;
878 }
879 else
880 {
881 err = fnfErr ;
882 }
883 return err ;
884 }
885
886 wxString wxMacHFSUniStrToString( ConstHFSUniStr255Param uniname )
887 {
888 wxCFStringRef cfname( CFStringCreateWithCharacters( kCFAllocatorDefault,
889 uniname->unicode,
890 uniname->length ) );
891 return wxCFStringRef::AsStringWithNormalizationFormC(cfname);
892 }
893
894 #ifndef __LP64__
895
896 wxString wxMacFSSpec2MacFilename( const FSSpec *spec )
897 {
898 FSRef fsRef ;
899 if ( FSpMakeFSRef( spec , &fsRef) == noErr )
900 {
901 return wxMacFSRefToPath( &fsRef ) ;
902 }
903 return wxEmptyString ;
904 }
905
906 void wxMacFilename2FSSpec( const wxString& path , FSSpec *spec )
907 {
908 OSStatus err = noErr;
909 FSRef fsRef;
910 wxMacPathToFSRef( path , &fsRef );
911 err = FSGetCatalogInfo(&fsRef, kFSCatInfoNone, NULL, NULL, spec, NULL);
912 verify_noerr( err );
913 }
914 #endif
915
916 #endif // __WXMAC__
917
918
919 #if WXWIN_COMPATIBILITY_2_8
920
921 template<typename T>
922 static void wxDoDos2UnixFilename(T *s)
923 {
924 if (s)
925 while (*s)
926 {
927 if (*s == wxT('\\'))
928 *s = wxT('/');
929 #ifdef __WINDOWS__
930 else
931 *s = wxTolower(*s); // Case INDEPENDENT
932 #endif
933 s++;
934 }
935 }
936
937 void wxDos2UnixFilename(char *s) { wxDoDos2UnixFilename(s); }
938 void wxDos2UnixFilename(wchar_t *s) { wxDoDos2UnixFilename(s); }
939
940 template<typename T>
941 static void
942 #if defined(__WINDOWS__) || defined(__OS2__)
943 wxDoUnix2DosFilename(T *s)
944 #else
945 wxDoUnix2DosFilename(T *WXUNUSED(s) )
946 #endif
947 {
948 // Yes, I really mean this to happen under DOS only! JACS
949 #if defined(__WINDOWS__) || defined(__OS2__)
950 if (s)
951 while (*s)
952 {
953 if (*s == wxT('/'))
954 *s = wxT('\\');
955 s++;
956 }
957 #endif
958 }
959
960 void wxUnix2DosFilename(char *s) { wxDoUnix2DosFilename(s); }
961 void wxUnix2DosFilename(wchar_t *s) { wxDoUnix2DosFilename(s); }
962
963 #endif // #if WXWIN_COMPATIBILITY_2_8
964
965 // Concatenate two files to form third
966 bool
967 wxConcatFiles (const wxString& file1, const wxString& file2, const wxString& file3)
968 {
969 #if wxUSE_FILE
970
971 wxFile in1(file1), in2(file2);
972 wxTempFile out(file3);
973
974 if ( !in1.IsOpened() || !in2.IsOpened() || !out.IsOpened() )
975 return false;
976
977 ssize_t ofs;
978 unsigned char buf[1024];
979
980 for( int i=0; i<2; i++)
981 {
982 wxFile *in = i==0 ? &in1 : &in2;
983 do{
984 if ( (ofs = in->Read(buf,WXSIZEOF(buf))) == wxInvalidOffset ) return false;
985 if ( ofs > 0 )
986 if ( !out.Write(buf,ofs) )
987 return false;
988 } while ( ofs == (ssize_t)WXSIZEOF(buf) );
989 }
990
991 return out.Commit();
992
993 #else
994
995 wxUnusedVar(file1);
996 wxUnusedVar(file2);
997 wxUnusedVar(file3);
998 return false;
999
1000 #endif
1001 }
1002
1003 // helper of generic implementation of wxCopyFile()
1004 #if !(defined(__WIN32__) || defined(__OS2__)) && wxUSE_FILE
1005
1006 static bool
1007 wxDoCopyFile(wxFile& fileIn,
1008 const wxStructStat& fbuf,
1009 const wxString& filenameDst,
1010 bool overwrite)
1011 {
1012 // reset the umask as we want to create the file with exactly the same
1013 // permissions as the original one
1014 wxCHANGE_UMASK(0);
1015
1016 // create file2 with the same permissions than file1 and open it for
1017 // writing
1018
1019 wxFile fileOut;
1020 if ( !fileOut.Create(filenameDst, overwrite, fbuf.st_mode & 0777) )
1021 return false;
1022
1023 // copy contents of file1 to file2
1024 char buf[4096];
1025 for ( ;; )
1026 {
1027 ssize_t count = fileIn.Read(buf, WXSIZEOF(buf));
1028 if ( count == wxInvalidOffset )
1029 return false;
1030
1031 // end of file?
1032 if ( !count )
1033 break;
1034
1035 if ( fileOut.Write(buf, count) < (size_t)count )
1036 return false;
1037 }
1038
1039 // we can expect fileIn to be closed successfully, but we should ensure
1040 // that fileOut was closed as some write errors (disk full) might not be
1041 // detected before doing this
1042 return fileIn.Close() && fileOut.Close();
1043 }
1044
1045 #endif // generic implementation of wxCopyFile
1046
1047 // Copy files
1048 bool
1049 wxCopyFile (const wxString& file1, const wxString& file2, bool overwrite)
1050 {
1051 #if defined(__WIN32__) && !defined(__WXMICROWIN__)
1052 // CopyFile() copies file attributes and modification time too, so use it
1053 // instead of our code if available
1054 //
1055 // NB: 3rd parameter is bFailIfExists i.e. the inverse of overwrite
1056 if ( !::CopyFile(file1.t_str(), file2.t_str(), !overwrite) )
1057 {
1058 wxLogSysError(_("Failed to copy the file '%s' to '%s'"),
1059 file1.c_str(), file2.c_str());
1060
1061 return false;
1062 }
1063 #elif defined(__OS2__)
1064 if ( ::DosCopy(file1.c_str(), file2.c_str(), overwrite ? DCPY_EXISTING : 0) != 0 )
1065 return false;
1066 #elif wxUSE_FILE // !Win32
1067
1068 wxStructStat fbuf;
1069 // get permissions of file1
1070 if ( wxStat( file1, &fbuf) != 0 )
1071 {
1072 // the file probably doesn't exist or we haven't the rights to read
1073 // from it anyhow
1074 wxLogSysError(_("Impossible to get permissions for file '%s'"),
1075 file1.c_str());
1076 return false;
1077 }
1078
1079 // open file1 for reading
1080 wxFile fileIn(file1, wxFile::read);
1081 if ( !fileIn.IsOpened() )
1082 return false;
1083
1084 // remove file2, if it exists. This is needed for creating
1085 // file2 with the correct permissions in the next step
1086 if ( wxFileExists(file2) && (!overwrite || !wxRemoveFile(file2)))
1087 {
1088 wxLogSysError(_("Impossible to overwrite the file '%s'"),
1089 file2.c_str());
1090 return false;
1091 }
1092
1093 wxDoCopyFile(fileIn, fbuf, file2, overwrite);
1094
1095 #if defined(__WXMAC__) || defined(__WXCOCOA__)
1096 // copy the resource fork of the file too if it's present
1097 wxString pathRsrcOut;
1098 wxFile fileRsrcIn;
1099
1100 {
1101 // suppress error messages from this block as resource forks don't have
1102 // to exist
1103 wxLogNull noLog;
1104
1105 // it's not enough to check for file existence: it always does on HFS
1106 // but is empty for files without resources
1107 if ( fileRsrcIn.Open(file1 + wxT("/..namedfork/rsrc")) &&
1108 fileRsrcIn.Length() > 0 )
1109 {
1110 // we must be using HFS or another filesystem with resource fork
1111 // support, suppose that destination file system also is HFS[-like]
1112 pathRsrcOut = file2 + wxT("/..namedfork/rsrc");
1113 }
1114 else // check if we have resource fork in separate file (non-HFS case)
1115 {
1116 wxFileName fnRsrc(file1);
1117 fnRsrc.SetName(wxT("._") + fnRsrc.GetName());
1118
1119 fileRsrcIn.Close();
1120 if ( fileRsrcIn.Open( fnRsrc.GetFullPath() ) )
1121 {
1122 fnRsrc = file2;
1123 fnRsrc.SetName(wxT("._") + fnRsrc.GetName());
1124
1125 pathRsrcOut = fnRsrc.GetFullPath();
1126 }
1127 }
1128 }
1129
1130 if ( !pathRsrcOut.empty() )
1131 {
1132 if ( !wxDoCopyFile(fileRsrcIn, fbuf, pathRsrcOut, overwrite) )
1133 return false;
1134 }
1135 #endif // wxMac || wxCocoa
1136
1137 #if !defined(__VISAGECPP__) && !defined(__WXMAC__) || defined(__UNIX__)
1138 // no chmod in VA. Should be some permission API for HPFS386 partitions
1139 // however
1140 if ( chmod(file2.fn_str(), fbuf.st_mode) != 0 )
1141 {
1142 wxLogSysError(_("Impossible to set permissions for the file '%s'"),
1143 file2.c_str());
1144 return false;
1145 }
1146 #endif // OS/2 || Mac
1147
1148 #else // !Win32 && ! wxUSE_FILE
1149
1150 // impossible to simulate with wxWidgets API
1151 wxUnusedVar(file1);
1152 wxUnusedVar(file2);
1153 wxUnusedVar(overwrite);
1154 return false;
1155
1156 #endif // __WINDOWS__ && __WIN32__
1157
1158 return true;
1159 }
1160
1161 bool
1162 wxRenameFile(const wxString& file1, const wxString& file2, bool overwrite)
1163 {
1164 if ( !overwrite && wxFileExists(file2) )
1165 {
1166 wxLogSysError
1167 (
1168 _("Failed to rename the file '%s' to '%s' because the destination file already exists."),
1169 file1.c_str(), file2.c_str()
1170 );
1171
1172 return false;
1173 }
1174
1175 #if !defined(__WXWINCE__)
1176 // Normal system call
1177 if ( wxRename (file1, file2) == 0 )
1178 return true;
1179 #endif
1180
1181 // Try to copy
1182 if (wxCopyFile(file1, file2, overwrite)) {
1183 wxRemoveFile(file1);
1184 return true;
1185 }
1186 // Give up
1187 wxLogSysError(_("File '%s' couldn't be renamed '%s'"), file1, file2);
1188 return false;
1189 }
1190
1191 bool wxRemoveFile(const wxString& file)
1192 {
1193 #if defined(__VISUALC__) \
1194 || (defined(__WINDOWS__) && defined(__INTELC__)) \
1195 || defined(__BORLANDC__) \
1196 || defined(__WATCOMC__) \
1197 || defined(__DMC__) \
1198 || defined(__GNUWIN32__)
1199 int res = wxRemove(file);
1200 #elif defined(__WXMAC__)
1201 int res = unlink(file.fn_str());
1202 #else
1203 int res = unlink(file.fn_str());
1204 #endif
1205 if ( res )
1206 {
1207 wxLogSysError(_("File '%s' couldn't be removed"), file);
1208 }
1209 return res == 0;
1210 }
1211
1212 bool wxMkdir(const wxString& dir, int perm)
1213 {
1214 #if defined(__WXMAC__) && !defined(__UNIX__)
1215 if ( mkdir(dir.fn_str(), 0) != 0 )
1216
1217 // assume mkdir() has 2 args on non Windows-OS/2 platforms and on Windows too
1218 // for the GNU compiler
1219 #elif (!(defined(__WINDOWS__) || defined(__OS2__) || defined(__DOS__))) || \
1220 (defined(__GNUWIN32__) && !defined(__MINGW32__)) || \
1221 defined(__WINE__) || defined(__WXMICROWIN__)
1222 const wxChar *dirname = dir.c_str();
1223 #if defined(MSVCRT)
1224 wxUnusedVar(perm);
1225 if ( mkdir(wxFNCONV(dirname)) != 0 )
1226 #else
1227 if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1228 #endif
1229 #elif defined(__OS2__)
1230 wxUnusedVar(perm);
1231 if (::DosCreateDir(dir.c_str(), NULL) != 0) // enhance for EAB's??
1232 #elif defined(__DOS__)
1233 const wxChar *dirname = dir.c_str();
1234 #if defined(__WATCOMC__)
1235 (void)perm;
1236 if ( wxMkDir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
1237 #elif defined(__DJGPP__)
1238 if ( mkdir(wxFNCONV(dirname), perm) != 0 )
1239 #else
1240 #error "Unsupported DOS compiler!"
1241 #endif
1242 #else // !MSW, !DOS and !OS/2 VAC++
1243 wxUnusedVar(perm);
1244 #ifdef __WXWINCE__
1245 if ( CreateDirectory(dir.fn_str(), NULL) == 0 )
1246 #else
1247 if ( wxMkDir(dir.fn_str()) != 0 )
1248 #endif
1249 #endif // !MSW/MSW
1250 {
1251 wxLogSysError(_("Directory '%s' couldn't be created"), dir);
1252 return false;
1253 }
1254
1255 return true;
1256 }
1257
1258 bool wxRmdir(const wxString& dir, int WXUNUSED(flags))
1259 {
1260 #if defined(__VMS__)
1261 return false; //to be changed since rmdir exists in VMS7.x
1262 #else
1263 #if defined(__OS2__)
1264 if ( ::DosDeleteDir(dir.c_str()) != 0 )
1265 #elif defined(__WXWINCE__)
1266 if ( RemoveDirectory(dir.fn_str()) == 0 )
1267 #else
1268 if ( wxRmDir(dir.fn_str()) != 0 )
1269 #endif
1270 {
1271 wxLogSysError(_("Directory '%s' couldn't be deleted"), dir);
1272 return false;
1273 }
1274
1275 return true;
1276 #endif
1277 }
1278
1279 // does the path exists? (may have or not '/' or '\\' at the end)
1280 bool wxDirExists(const wxString& pathName)
1281 {
1282 return wxFileName::DirExists(pathName);
1283 }
1284
1285 #if WXWIN_COMPATIBILITY_2_8
1286
1287 // Get a temporary filename, opening and closing the file.
1288 wxChar *wxGetTempFileName(const wxString& prefix, wxChar *buf)
1289 {
1290 wxString filename;
1291 if ( !wxGetTempFileName(prefix, filename) )
1292 return NULL;
1293
1294 if ( buf )
1295 wxStrcpy(buf, filename);
1296 else
1297 buf = MYcopystring(filename);
1298
1299 return buf;
1300 }
1301
1302 bool wxGetTempFileName(const wxString& prefix, wxString& buf)
1303 {
1304 #if wxUSE_FILE
1305 buf = wxFileName::CreateTempFileName(prefix);
1306
1307 return !buf.empty();
1308 #else // !wxUSE_FILE
1309 wxUnusedVar(prefix);
1310 wxUnusedVar(buf);
1311
1312 return false;
1313 #endif // wxUSE_FILE/!wxUSE_FILE
1314 }
1315
1316 #endif // #if WXWIN_COMPATIBILITY_2_8
1317
1318 // Get first file name matching given wild card.
1319
1320 static wxDir *gs_dir = NULL;
1321 static wxString gs_dirPath;
1322
1323 wxString wxFindFirstFile(const wxString& spec, int flags)
1324 {
1325 wxFileName::SplitPath(spec, &gs_dirPath, NULL, NULL);
1326 if ( gs_dirPath.empty() )
1327 gs_dirPath = wxT(".");
1328 if ( !wxEndsWithPathSeparator(gs_dirPath ) )
1329 gs_dirPath << wxFILE_SEP_PATH;
1330
1331 delete gs_dir; // can be NULL, this is ok
1332 gs_dir = new wxDir(gs_dirPath);
1333
1334 if ( !gs_dir->IsOpened() )
1335 {
1336 wxLogSysError(_("Cannot enumerate files '%s'"), spec);
1337 return wxEmptyString;
1338 }
1339
1340 int dirFlags;
1341 switch (flags)
1342 {
1343 case wxDIR: dirFlags = wxDIR_DIRS; break;
1344 case wxFILE: dirFlags = wxDIR_FILES; break;
1345 default: dirFlags = wxDIR_DIRS | wxDIR_FILES; break;
1346 }
1347
1348 wxString result;
1349 gs_dir->GetFirst(&result, wxFileNameFromPath(spec), dirFlags);
1350 if ( result.empty() )
1351 {
1352 wxDELETE(gs_dir);
1353 return result;
1354 }
1355
1356 return gs_dirPath + result;
1357 }
1358
1359 wxString wxFindNextFile()
1360 {
1361 wxCHECK_MSG( gs_dir, "", "You must call wxFindFirstFile before!" );
1362
1363 wxString result;
1364 if ( !gs_dir->GetNext(&result) || result.empty() )
1365 {
1366 wxDELETE(gs_dir);
1367 return result;
1368 }
1369
1370 return gs_dirPath + result;
1371 }
1372
1373
1374 // Get current working directory.
1375 // If buf is NULL, allocates space using new, else copies into buf.
1376 // wxGetWorkingDirectory() is obsolete, use wxGetCwd()
1377 // wxDoGetCwd() is their common core to be moved
1378 // to wxGetCwd() once wxGetWorkingDirectory() will be removed.
1379 // Do not expose wxDoGetCwd in headers!
1380
1381 wxChar *wxDoGetCwd(wxChar *buf, int sz)
1382 {
1383 #if defined(__WXWINCE__)
1384 // TODO
1385 if(buf && sz>0) buf[0] = wxT('\0');
1386 return buf;
1387 #else
1388 if ( !buf )
1389 {
1390 buf = new wxChar[sz + 1];
1391 }
1392
1393 bool ok = false;
1394
1395 // for the compilers which have Unicode version of _getcwd(), call it
1396 // directly, for the others call the ANSI version and do the translation
1397 #if !wxUSE_UNICODE
1398 #define cbuf buf
1399 #else // wxUSE_UNICODE
1400 bool needsANSI = true;
1401
1402 #if !defined(HAVE_WGETCWD) || wxUSE_UNICODE_MSLU
1403 char cbuf[_MAXPATHLEN];
1404 #endif
1405
1406 #ifdef HAVE_WGETCWD
1407 #if wxUSE_UNICODE_MSLU
1408 if ( wxGetOsVersion() != wxOS_WINDOWS_9X )
1409 #else
1410 char *cbuf = NULL; // never really used because needsANSI will always be false
1411 #endif
1412 {
1413 ok = _wgetcwd(buf, sz) != NULL;
1414 needsANSI = false;
1415 }
1416 #endif
1417
1418 if ( needsANSI )
1419 #endif // wxUSE_UNICODE
1420 {
1421 #if defined(_MSC_VER) || defined(__MINGW32__)
1422 ok = _getcwd(cbuf, sz) != NULL;
1423 #elif defined(__OS2__)
1424 APIRET rc;
1425 ULONG ulDriveNum = 0;
1426 ULONG ulDriveMap = 0;
1427 rc = ::DosQueryCurrentDisk(&ulDriveNum, &ulDriveMap);
1428 ok = rc == 0;
1429 if (ok)
1430 {
1431 sz -= 3;
1432 rc = ::DosQueryCurrentDir( 0 // current drive
1433 ,(PBYTE)cbuf + 3
1434 ,(PULONG)&sz
1435 );
1436 cbuf[0] = char('A' + (ulDriveNum - 1));
1437 cbuf[1] = ':';
1438 cbuf[2] = '\\';
1439 ok = rc == 0;
1440 }
1441 #else // !Win32/VC++ !Mac !OS2
1442 ok = getcwd(cbuf, sz) != NULL;
1443 #endif // platform
1444
1445 #if wxUSE_UNICODE
1446 // finally convert the result to Unicode if needed
1447 wxConvFile.MB2WC(buf, cbuf, sz);
1448 #endif // wxUSE_UNICODE
1449 }
1450
1451 if ( !ok )
1452 {
1453 wxLogSysError(_("Failed to get the working directory"));
1454
1455 // VZ: the old code used to return "." on error which didn't make any
1456 // sense at all to me - empty string is a better error indicator
1457 // (NULL might be even better but I'm afraid this could lead to
1458 // problems with the old code assuming the return is never NULL)
1459 buf[0] = wxT('\0');
1460 }
1461 else // ok, but we might need to massage the path into the right format
1462 {
1463 #ifdef __DJGPP__
1464 // VS: DJGPP is a strange mix of DOS and UNIX API and returns paths
1465 // with / deliminers. We don't like that.
1466 for (wxChar *ch = buf; *ch; ch++)
1467 {
1468 if (*ch == wxT('/'))
1469 *ch = wxT('\\');
1470 }
1471 #endif // __DJGPP__
1472
1473 // MBN: we hope that in the case the user is compiling a GTK+/Motif app,
1474 // he needs Unix as opposed to Win32 pathnames
1475 #if defined( __CYGWIN__ ) && defined( __WINDOWS__ )
1476 // another example of DOS/Unix mix (Cygwin)
1477 wxString pathUnix = buf;
1478 #if wxUSE_UNICODE
1479 #if CYGWIN_VERSION_DLL_MAJOR >= 1007
1480 cygwin_conv_path(CCP_POSIX_TO_WIN_W, pathUnix.mb_str(wxConvFile), buf, sz);
1481 #else
1482 char bufA[_MAXPATHLEN];
1483 cygwin_conv_to_full_win32_path(pathUnix.mb_str(wxConvFile), bufA);
1484 wxConvFile.MB2WC(buf, bufA, sz);
1485 #endif
1486 #else
1487 #if CYGWIN_VERSION_DLL_MAJOR >= 1007
1488 cygwin_conv_path(CCP_POSIX_TO_WIN_A, pathUnix, buf, sz);
1489 #else
1490 cygwin_conv_to_full_win32_path(pathUnix, buf);
1491 #endif
1492 #endif // wxUSE_UNICODE
1493 #endif // __CYGWIN__
1494 }
1495
1496 return buf;
1497
1498 #if !wxUSE_UNICODE
1499 #undef cbuf
1500 #endif
1501
1502 #endif
1503 // __WXWINCE__
1504 }
1505
1506 #if WXWIN_COMPATIBILITY_2_6
1507 wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
1508 {
1509 return wxDoGetCwd(buf,sz);
1510 }
1511 #endif // WXWIN_COMPATIBILITY_2_6
1512
1513 wxString wxGetCwd()
1514 {
1515 wxString str;
1516 wxDoGetCwd(wxStringBuffer(str, _MAXPATHLEN), _MAXPATHLEN);
1517 return str;
1518 }
1519
1520 bool wxSetWorkingDirectory(const wxString& d)
1521 {
1522 bool success = false;
1523 #if defined(__OS2__)
1524 if (d[1] == ':')
1525 {
1526 ::DosSetDefaultDisk(wxToupper(d[0]) - wxT('A') + 1);
1527 // do not call DosSetCurrentDir when just changing drive,
1528 // since it requires e.g. "d:." instead of "d:"!
1529 if (d.length() == 2)
1530 return true;
1531 }
1532 success = (::DosSetCurrentDir(d.c_str()) == 0);
1533 #elif defined(__UNIX__) || defined(__WXMAC__) || defined(__DOS__)
1534 success = (chdir(wxFNSTRINGCAST d.fn_str()) == 0);
1535 #elif defined(__WINDOWS__)
1536
1537 #ifdef __WIN32__
1538 #ifdef __WXWINCE__
1539 // No equivalent in WinCE
1540 wxUnusedVar(d);
1541 #else
1542 success = (SetCurrentDirectory(d.t_str()) != 0);
1543 #endif
1544 #else
1545 // Must change drive, too.
1546 bool isDriveSpec = ((strlen(d) > 1) && (d[1] == ':'));
1547 if (isDriveSpec)
1548 {
1549 wxChar firstChar = d[0];
1550
1551 // To upper case
1552 if (firstChar > 90)
1553 firstChar = firstChar - 32;
1554
1555 // To a drive number
1556 unsigned int driveNo = firstChar - 64;
1557 if (driveNo > 0)
1558 {
1559 unsigned int noDrives;
1560 _dos_setdrive(driveNo, &noDrives);
1561 }
1562 }
1563 success = (chdir(WXSTRINGCAST d) == 0);
1564 #endif
1565
1566 #endif
1567 if ( !success )
1568 {
1569 wxLogSysError(_("Could not set current working directory"));
1570 }
1571 return success;
1572 }
1573
1574 // Get the OS directory if appropriate (such as the Windows directory).
1575 // On non-Windows platform, probably just return the empty string.
1576 wxString wxGetOSDirectory()
1577 {
1578 #ifdef __WXWINCE__
1579 return wxString(wxT("\\Windows"));
1580 #elif defined(__WINDOWS__) && !defined(__WXMICROWIN__)
1581 wxChar buf[MAX_PATH];
1582 if ( !GetWindowsDirectory(buf, MAX_PATH) )
1583 {
1584 wxLogLastError(wxS("GetWindowsDirectory"));
1585 }
1586
1587 return wxString(buf);
1588 #elif defined(__WXMAC__) && wxOSX_USE_CARBON
1589 return wxMacFindFolderNoSeparator(kOnSystemDisk, 'macs', false);
1590 #else
1591 return wxEmptyString;
1592 #endif
1593 }
1594
1595 bool wxEndsWithPathSeparator(const wxString& filename)
1596 {
1597 return !filename.empty() && wxIsPathSeparator(filename.Last());
1598 }
1599
1600 // find a file in a list of directories, returns false if not found
1601 bool wxFindFileInPath(wxString *pStr, const wxString& szPath, const wxString& szFile)
1602 {
1603 // we assume that it's not empty
1604 wxCHECK_MSG( !szFile.empty(), false,
1605 wxT("empty file name in wxFindFileInPath"));
1606
1607 // skip path separator in the beginning of the file name if present
1608 wxString szFile2;
1609 if ( wxIsPathSeparator(szFile[0u]) )
1610 szFile2 = szFile.Mid(1);
1611 else
1612 szFile2 = szFile;
1613
1614 wxStringTokenizer tkn(szPath, wxPATH_SEP);
1615
1616 while ( tkn.HasMoreTokens() )
1617 {
1618 wxString strFile = tkn.GetNextToken();
1619 if ( !wxEndsWithPathSeparator(strFile) )
1620 strFile += wxFILE_SEP_PATH;
1621 strFile += szFile2;
1622
1623 if ( wxFileExists(strFile) )
1624 {
1625 *pStr = strFile;
1626 return true;
1627 }
1628 }
1629
1630 return false;
1631 }
1632
1633 #if WXWIN_COMPATIBILITY_2_8
1634 void WXDLLIMPEXP_BASE wxSplitPath(const wxString& fileName,
1635 wxString *pstrPath,
1636 wxString *pstrName,
1637 wxString *pstrExt)
1638 {
1639 wxFileName::SplitPath(fileName, pstrPath, pstrName, pstrExt);
1640 }
1641 #endif // #if WXWIN_COMPATIBILITY_2_8
1642
1643 #if wxUSE_DATETIME
1644
1645 time_t WXDLLIMPEXP_BASE wxFileModificationTime(const wxString& filename)
1646 {
1647 wxDateTime mtime;
1648 if ( !wxFileName(filename).GetTimes(NULL, &mtime, NULL) )
1649 return (time_t)-1;
1650
1651 return mtime.GetTicks();
1652 }
1653
1654 #endif // wxUSE_DATETIME
1655
1656
1657 // Parses the filterStr, returning the number of filters.
1658 // Returns 0 if none or if there's a problem.
1659 // filterStr is in the form: "All files (*.*)|*.*|JPEG Files (*.jpeg)|*.jpeg"
1660
1661 int WXDLLIMPEXP_BASE wxParseCommonDialogsFilter(const wxString& filterStr,
1662 wxArrayString& descriptions,
1663 wxArrayString& filters)
1664 {
1665 descriptions.Clear();
1666 filters.Clear();
1667
1668 wxString str(filterStr);
1669
1670 wxString description, filter;
1671 int pos = 0;
1672 while( pos != wxNOT_FOUND )
1673 {
1674 pos = str.Find(wxT('|'));
1675 if ( pos == wxNOT_FOUND )
1676 {
1677 // if there are no '|'s at all in the string just take the entire
1678 // string as filter and make description empty for later autocompletion
1679 if ( filters.IsEmpty() )
1680 {
1681 descriptions.Add(wxEmptyString);
1682 filters.Add(filterStr);
1683 }
1684 else
1685 {
1686 wxFAIL_MSG( wxT("missing '|' in the wildcard string!") );
1687 }
1688
1689 break;
1690 }
1691
1692 description = str.Left(pos);
1693 str = str.Mid(pos + 1);
1694 pos = str.Find(wxT('|'));
1695 if ( pos == wxNOT_FOUND )
1696 {
1697 filter = str;
1698 }
1699 else
1700 {
1701 filter = str.Left(pos);
1702 str = str.Mid(pos + 1);
1703 }
1704
1705 descriptions.Add(description);
1706 filters.Add(filter);
1707 }
1708
1709 #if defined(__WXMOTIF__)
1710 // split it so there is one wildcard per entry
1711 for( size_t i = 0 ; i < descriptions.GetCount() ; i++ )
1712 {
1713 pos = filters[i].Find(wxT(';'));
1714 if (pos != wxNOT_FOUND)
1715 {
1716 // first split only filters
1717 descriptions.Insert(descriptions[i],i+1);
1718 filters.Insert(filters[i].Mid(pos+1),i+1);
1719 filters[i]=filters[i].Left(pos);
1720
1721 // autoreplace new filter in description with pattern:
1722 // C/C++ Files(*.cpp;*.c;*.h)|*.cpp;*.c;*.h
1723 // cause split into:
1724 // C/C++ Files(*.cpp)|*.cpp
1725 // C/C++ Files(*.c;*.h)|*.c;*.h
1726 // and next iteration cause another split into:
1727 // C/C++ Files(*.cpp)|*.cpp
1728 // C/C++ Files(*.c)|*.c
1729 // C/C++ Files(*.h)|*.h
1730 for ( size_t k=i;k<i+2;k++ )
1731 {
1732 pos = descriptions[k].Find(filters[k]);
1733 if (pos != wxNOT_FOUND)
1734 {
1735 wxString before = descriptions[k].Left(pos);
1736 wxString after = descriptions[k].Mid(pos+filters[k].Len());
1737 pos = before.Find(wxT('('),true);
1738 if (pos>before.Find(wxT(')'),true))
1739 {
1740 before = before.Left(pos+1);
1741 before << filters[k];
1742 pos = after.Find(wxT(')'));
1743 int pos1 = after.Find(wxT('('));
1744 if (pos != wxNOT_FOUND && (pos<pos1 || pos1==wxNOT_FOUND))
1745 {
1746 before << after.Mid(pos);
1747 descriptions[k] = before;
1748 }
1749 }
1750 }
1751 }
1752 }
1753 }
1754 #endif
1755
1756 // autocompletion
1757 for( size_t j = 0 ; j < descriptions.GetCount() ; j++ )
1758 {
1759 if ( descriptions[j].empty() && !filters[j].empty() )
1760 {
1761 descriptions[j].Printf(_("Files (%s)"), filters[j].c_str());
1762 }
1763 }
1764
1765 return filters.GetCount();
1766 }
1767
1768 #if defined(__WINDOWS__) && !(defined(__UNIX__) || defined(__OS2__))
1769 static bool wxCheckWin32Permission(const wxString& path, DWORD access)
1770 {
1771 // quoting the MSDN: "To obtain a handle to a directory, call the
1772 // CreateFile function with the FILE_FLAG_BACKUP_SEMANTICS flag", but this
1773 // doesn't work under Win9x/ME but then it's not needed there anyhow
1774 const DWORD dwAttr = ::GetFileAttributes(path.t_str());
1775 if ( dwAttr == INVALID_FILE_ATTRIBUTES )
1776 {
1777 // file probably doesn't exist at all
1778 return false;
1779 }
1780
1781 if ( wxGetOsVersion() == wxOS_WINDOWS_9X )
1782 {
1783 // FAT directories always allow all access, even if they have the
1784 // readonly flag set, and FAT files can only be read-only
1785 return (dwAttr & FILE_ATTRIBUTE_DIRECTORY) ||
1786 (access != GENERIC_WRITE ||
1787 !(dwAttr & FILE_ATTRIBUTE_READONLY));
1788 }
1789
1790 HANDLE h = ::CreateFile
1791 (
1792 path.t_str(),
1793 access,
1794 FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
1795 NULL,
1796 OPEN_EXISTING,
1797 dwAttr & FILE_ATTRIBUTE_DIRECTORY
1798 ? FILE_FLAG_BACKUP_SEMANTICS
1799 : 0,
1800 NULL
1801 );
1802 if ( h != INVALID_HANDLE_VALUE )
1803 CloseHandle(h);
1804
1805 return h != INVALID_HANDLE_VALUE;
1806 }
1807 #endif // __WINDOWS__
1808
1809 bool wxIsWritable(const wxString &path)
1810 {
1811 #if defined( __UNIX__ ) || defined(__OS2__)
1812 // access() will take in count also symbolic links
1813 return wxAccess(path.c_str(), W_OK) == 0;
1814 #elif defined( __WINDOWS__ )
1815 return wxCheckWin32Permission(path, GENERIC_WRITE);
1816 #else
1817 wxUnusedVar(path);
1818 // TODO
1819 return false;
1820 #endif
1821 }
1822
1823 bool wxIsReadable(const wxString &path)
1824 {
1825 #if defined( __UNIX__ ) || defined(__OS2__)
1826 // access() will take in count also symbolic links
1827 return wxAccess(path.c_str(), R_OK) == 0;
1828 #elif defined( __WINDOWS__ )
1829 return wxCheckWin32Permission(path, GENERIC_READ);
1830 #else
1831 wxUnusedVar(path);
1832 // TODO
1833 return false;
1834 #endif
1835 }
1836
1837 bool wxIsExecutable(const wxString &path)
1838 {
1839 #if defined( __UNIX__ ) || defined(__OS2__)
1840 // access() will take in count also symbolic links
1841 return wxAccess(path.c_str(), X_OK) == 0;
1842 #elif defined( __WINDOWS__ )
1843 return wxCheckWin32Permission(path, GENERIC_EXECUTE);
1844 #else
1845 wxUnusedVar(path);
1846 // TODO
1847 return false;
1848 #endif
1849 }
1850
1851 // Return the type of an open file
1852 //
1853 // Some file types on some platforms seem seekable but in fact are not.
1854 // The main use of this function is to allow such cases to be detected
1855 // (IsSeekable() is implemented as wxGetFileKind() == wxFILE_KIND_DISK).
1856 //
1857 // This is important for the archive streams, which benefit greatly from
1858 // being able to seek on a stream, but which will produce corrupt archives
1859 // if they unknowingly seek on a non-seekable stream.
1860 //
1861 // wxFILE_KIND_DISK is a good catch all return value, since other values
1862 // disable features of the archive streams. Some other value must be returned
1863 // for a file type that appears seekable but isn't.
1864 //
1865 // Known examples:
1866 // * Pipes on Windows
1867 // * Files on VMS with a record format other than StreamLF
1868 //
1869 wxFileKind wxGetFileKind(int fd)
1870 {
1871 #if defined __WINDOWS__ && !defined __WXWINCE__ && defined wxGetOSFHandle
1872 switch (::GetFileType(wxGetOSFHandle(fd)) & ~FILE_TYPE_REMOTE)
1873 {
1874 case FILE_TYPE_CHAR:
1875 return wxFILE_KIND_TERMINAL;
1876 case FILE_TYPE_DISK:
1877 return wxFILE_KIND_DISK;
1878 case FILE_TYPE_PIPE:
1879 return wxFILE_KIND_PIPE;
1880 }
1881
1882 return wxFILE_KIND_UNKNOWN;
1883
1884 #elif defined(__UNIX__)
1885 if (isatty(fd))
1886 return wxFILE_KIND_TERMINAL;
1887
1888 struct stat st;
1889 fstat(fd, &st);
1890
1891 if (S_ISFIFO(st.st_mode))
1892 return wxFILE_KIND_PIPE;
1893 if (!S_ISREG(st.st_mode))
1894 return wxFILE_KIND_UNKNOWN;
1895
1896 #if defined(__VMS__)
1897 if (st.st_fab_rfm != FAB$C_STMLF)
1898 return wxFILE_KIND_UNKNOWN;
1899 #endif
1900
1901 return wxFILE_KIND_DISK;
1902
1903 #else
1904 #define wxFILEKIND_STUB
1905 (void)fd;
1906 return wxFILE_KIND_DISK;
1907 #endif
1908 }
1909
1910 wxFileKind wxGetFileKind(FILE *fp)
1911 {
1912 // Note: The watcom rtl dll doesn't have fileno (the static lib does).
1913 // Should be fixed in version 1.4.
1914 #if defined(wxFILEKIND_STUB) || wxONLY_WATCOM_EARLIER_THAN(1,4)
1915 (void)fp;
1916 return wxFILE_KIND_DISK;
1917 #elif defined(__WINDOWS__) && !defined(__CYGWIN__) && !defined(__WATCOMC__) && !defined(__WINE__)
1918 return fp ? wxGetFileKind(_fileno(fp)) : wxFILE_KIND_UNKNOWN;
1919 #else
1920 return fp ? wxGetFileKind(fileno(fp)) : wxFILE_KIND_UNKNOWN;
1921 #endif
1922 }
1923
1924
1925 //------------------------------------------------------------------------
1926 // wild character routines
1927 //------------------------------------------------------------------------
1928
1929 bool wxIsWild( const wxString& pattern )
1930 {
1931 for ( wxString::const_iterator p = pattern.begin(); p != pattern.end(); ++p )
1932 {
1933 switch ( (*p).GetValue() )
1934 {
1935 case wxT('?'):
1936 case wxT('*'):
1937 case wxT('['):
1938 case wxT('{'):
1939 return true;
1940
1941 case wxT('\\'):
1942 if ( ++p == pattern.end() )
1943 return false;
1944 }
1945 }
1946 return false;
1947 }
1948
1949 /*
1950 * Written By Douglas A. Lewis <dalewis@cs.Buffalo.EDU>
1951 *
1952 * The match procedure is public domain code (from ircII's reg.c)
1953 * but modified to suit our tastes (RN: No "%" syntax I guess)
1954 */
1955
1956 bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
1957 {
1958 if (text.empty())
1959 {
1960 /* Match if both are empty. */
1961 return pat.empty();
1962 }
1963
1964 const wxChar *m = pat.c_str(),
1965 *n = text.c_str(),
1966 *ma = NULL,
1967 *na = NULL;
1968 int just = 0,
1969 acount = 0,
1970 count = 0;
1971
1972 if (dot_special && (*n == wxT('.')))
1973 {
1974 /* Never match so that hidden Unix files
1975 * are never found. */
1976 return false;
1977 }
1978
1979 for (;;)
1980 {
1981 if (*m == wxT('*'))
1982 {
1983 ma = ++m;
1984 na = n;
1985 just = 1;
1986 acount = count;
1987 }
1988 else if (*m == wxT('?'))
1989 {
1990 m++;
1991 if (!*n++)
1992 return false;
1993 }
1994 else
1995 {
1996 if (*m == wxT('\\'))
1997 {
1998 m++;
1999 /* Quoting "nothing" is a bad thing */
2000 if (!*m)
2001 return false;
2002 }
2003 if (!*m)
2004 {
2005 /*
2006 * If we are out of both strings or we just
2007 * saw a wildcard, then we can say we have a
2008 * match
2009 */
2010 if (!*n)
2011 return true;
2012 if (just)
2013 return true;
2014 just = 0;
2015 goto not_matched;
2016 }
2017 /*
2018 * We could check for *n == NULL at this point, but
2019 * since it's more common to have a character there,
2020 * check to see if they match first (m and n) and
2021 * then if they don't match, THEN we can check for
2022 * the NULL of n
2023 */
2024 just = 0;
2025 if (*m == *n)
2026 {
2027 m++;
2028 count++;
2029 n++;
2030 }
2031 else
2032 {
2033
2034 not_matched:
2035
2036 /*
2037 * If there are no more characters in the
2038 * string, but we still need to find another
2039 * character (*m != NULL), then it will be
2040 * impossible to match it
2041 */
2042 if (!*n)
2043 return false;
2044
2045 if (ma)
2046 {
2047 m = ma;
2048 n = ++na;
2049 count = acount;
2050 }
2051 else
2052 return false;
2053 }
2054 }
2055 }
2056 }
2057
2058 #ifdef __VISUALC__
2059 #pragma warning(default:4706) // assignment within conditional expression
2060 #endif // VC++
wxWidgets (Impactor)