/[pcsx2_0.9.7]/trunk/3rdparty/wxWidgets/src/common/filename.cpp
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Revision 31 - (hide annotations) (download)
Tue Sep 7 03:24:11 2010 UTC (10 years, 4 months ago) by william
File size: 70660 byte(s)
committing r3113 initial commit again...
1 william 31 /////////////////////////////////////////////////////////////////////////////
2     // Name: src/common/filename.cpp
3     // Purpose: wxFileName - encapsulates a file path
4     // Author: Robert Roebling, Vadim Zeitlin
5     // Modified by:
6     // Created: 28.12.2000
7     // RCS-ID: $Id: filename.cpp 58751 2009-02-08 10:05:28Z VZ $
8     // Copyright: (c) 2000 Robert Roebling
9     // Licence: wxWindows licence
10     /////////////////////////////////////////////////////////////////////////////
11    
12     /*
13     Here are brief descriptions of the filename formats supported by this class:
14    
15     wxPATH_UNIX: standard Unix format, used under Darwin as well, absolute file
16     names have the form:
17     /dir1/dir2/.../dirN/filename, "." and ".." stand for the
18     current and parent directory respectively, "~" is parsed as the
19     user HOME and "~username" as the HOME of that user
20    
21     wxPATH_DOS: DOS/Windows format, absolute file names have the form:
22     drive:\dir1\dir2\...\dirN\filename.ext where drive is a single
23     letter. "." and ".." as for Unix but no "~".
24    
25     There are also UNC names of the form \\share\fullpath
26    
27     wxPATH_MAC: Mac OS 8/9 and Mac OS X under CodeWarrior 7 format, absolute file
28     names have the form
29     volume:dir1:...:dirN:filename
30     and the relative file names are either
31     :dir1:...:dirN:filename
32     or just
33     filename
34     (although :filename works as well).
35     Since the volume is just part of the file path, it is not
36     treated like a separate entity as it is done under DOS and
37     VMS, it is just treated as another dir.
38    
39     wxPATH_VMS: VMS native format, absolute file names have the form
40     <device>:[dir1.dir2.dir3]file.txt
41     or
42     <device>:[000000.dir1.dir2.dir3]file.txt
43    
44     the <device> is the physical device (i.e. disk). 000000 is the
45     root directory on the device which can be omitted.
46    
47     Note that VMS uses different separators unlike Unix:
48     : always after the device. If the path does not contain : than
49     the default (the device of the current directory) is assumed.
50     [ start of directory specification
51     . separator between directory and subdirectory
52     ] between directory and file
53     */
54    
55     // ============================================================================
56     // declarations
57     // ============================================================================
58    
59     // ----------------------------------------------------------------------------
60     // headers
61     // ----------------------------------------------------------------------------
62    
63     // For compilers that support precompilation, includes "wx.h".
64     #include "wx/wxprec.h"
65    
66     #ifdef __BORLANDC__
67     #pragma hdrstop
68     #endif
69    
70     #ifndef WX_PRECOMP
71     #ifdef __WXMSW__
72     #include "wx/msw/wrapwin.h" // For GetShort/LongPathName
73     #endif
74     #include "wx/dynarray.h"
75     #include "wx/intl.h"
76     #include "wx/log.h"
77     #include "wx/utils.h"
78     #endif
79    
80     #include "wx/filename.h"
81     #include "wx/private/filename.h"
82     #include "wx/tokenzr.h"
83     #include "wx/config.h" // for wxExpandEnvVars
84     #include "wx/dynlib.h"
85    
86     #if defined(__WIN32__) && defined(__MINGW32__)
87     #include "wx/msw/gccpriv.h"
88     #endif
89    
90     #ifdef __WXWINCE__
91     #include "wx/msw/private.h"
92     #endif
93    
94     #if defined(__WXMAC__)
95     #include "wx/mac/private.h" // includes mac headers
96     #endif
97    
98     // utime() is POSIX so should normally be available on all Unices
99     #ifdef __UNIX_LIKE__
100     #include <sys/types.h>
101     #include <utime.h>
102     #include <sys/stat.h>
103     #include <unistd.h>
104     #endif
105    
106     #ifdef __DJGPP__
107     #include <unistd.h>
108     #endif
109    
110     #ifdef __MWERKS__
111     #ifdef __MACH__
112     #include <sys/types.h>
113     #include <utime.h>
114     #include <sys/stat.h>
115     #include <unistd.h>
116     #else
117     #include <stat.h>
118     #include <unistd.h>
119     #include <unix.h>
120     #endif
121     #endif
122    
123     #ifdef __WATCOMC__
124     #include <io.h>
125     #include <sys/utime.h>
126     #include <sys/stat.h>
127     #endif
128    
129     #ifdef __VISAGECPP__
130     #ifndef MAX_PATH
131     #define MAX_PATH 256
132     #endif
133     #endif
134    
135     #ifdef __EMX__
136     #include <os2.h>
137     #define MAX_PATH _MAX_PATH
138     #endif
139    
140    
141     wxULongLong wxInvalidSize = (unsigned)-1;
142    
143    
144     // ----------------------------------------------------------------------------
145     // private classes
146     // ----------------------------------------------------------------------------
147    
148     // small helper class which opens and closes the file - we use it just to get
149     // a file handle for the given file name to pass it to some Win32 API function
150     #if defined(__WIN32__) && !defined(__WXMICROWIN__)
151    
152     class wxFileHandle
153     {
154     public:
155     enum OpenMode
156     {
157     Read,
158     Write
159     };
160    
161     wxFileHandle(const wxString& filename, OpenMode mode)
162     {
163     m_hFile = ::CreateFile
164     (
165     filename, // name
166     mode == Read ? GENERIC_READ // access mask
167     : GENERIC_WRITE,
168     FILE_SHARE_READ | // sharing mode
169     FILE_SHARE_WRITE, // (allow everything)
170     NULL, // no secutity attr
171     OPEN_EXISTING, // creation disposition
172     0, // no flags
173     NULL // no template file
174     );
175    
176     if ( m_hFile == INVALID_HANDLE_VALUE )
177     {
178     wxLogSysError(_("Failed to open '%s' for %s"),
179     filename.c_str(),
180     mode == Read ? _("reading") : _("writing"));
181     }
182     }
183    
184     ~wxFileHandle()
185     {
186     if ( m_hFile != INVALID_HANDLE_VALUE )
187     {
188     if ( !::CloseHandle(m_hFile) )
189     {
190     wxLogSysError(_("Failed to close file handle"));
191     }
192     }
193     }
194    
195     // return true only if the file could be opened successfully
196     bool IsOk() const { return m_hFile != INVALID_HANDLE_VALUE; }
197    
198     // get the handle
199     operator HANDLE() const { return m_hFile; }
200    
201     private:
202     HANDLE m_hFile;
203     };
204    
205     #endif // __WIN32__
206    
207     // ----------------------------------------------------------------------------
208     // private functions
209     // ----------------------------------------------------------------------------
210    
211     #if wxUSE_DATETIME && defined(__WIN32__) && !defined(__WXMICROWIN__)
212    
213     // convert between wxDateTime and FILETIME which is a 64-bit value representing
214     // the number of 100-nanosecond intervals since January 1, 1601.
215    
216     static void ConvertFileTimeToWx(wxDateTime *dt, const FILETIME &ft)
217     {
218     FILETIME ftcopy = ft;
219     FILETIME ftLocal;
220     if ( !::FileTimeToLocalFileTime(&ftcopy, &ftLocal) )
221     {
222     wxLogLastError(_T("FileTimeToLocalFileTime"));
223     }
224    
225     SYSTEMTIME st;
226     if ( !::FileTimeToSystemTime(&ftLocal, &st) )
227     {
228     wxLogLastError(_T("FileTimeToSystemTime"));
229     }
230    
231     dt->Set(st.wDay, wxDateTime::Month(st.wMonth - 1), st.wYear,
232     st.wHour, st.wMinute, st.wSecond, st.wMilliseconds);
233     }
234    
235     static void ConvertWxToFileTime(FILETIME *ft, const wxDateTime& dt)
236     {
237     SYSTEMTIME st;
238     st.wDay = dt.GetDay();
239     st.wMonth = (WORD)(dt.GetMonth() + 1);
240     st.wYear = (WORD)dt.GetYear();
241     st.wHour = dt.GetHour();
242     st.wMinute = dt.GetMinute();
243     st.wSecond = dt.GetSecond();
244     st.wMilliseconds = dt.GetMillisecond();
245    
246     FILETIME ftLocal;
247     if ( !::SystemTimeToFileTime(&st, &ftLocal) )
248     {
249     wxLogLastError(_T("SystemTimeToFileTime"));
250     }
251    
252     if ( !::LocalFileTimeToFileTime(&ftLocal, ft) )
253     {
254     wxLogLastError(_T("LocalFileTimeToFileTime"));
255     }
256     }
257    
258     #endif // wxUSE_DATETIME && __WIN32__
259    
260     // return a string with the volume par
261     static wxString wxGetVolumeString(const wxString& volume, wxPathFormat format)
262     {
263     wxString path;
264    
265     if ( !volume.empty() )
266     {
267     format = wxFileName::GetFormat(format);
268    
269     // Special Windows UNC paths hack, part 2: undo what we did in
270     // SplitPath() and make an UNC path if we have a drive which is not a
271     // single letter (hopefully the network shares can't be one letter only
272     // although I didn't find any authoritative docs on this)
273     if ( format == wxPATH_DOS && volume.length() > 1 )
274     {
275     path << wxFILE_SEP_PATH_DOS << wxFILE_SEP_PATH_DOS << volume;
276     }
277     else if ( format == wxPATH_DOS || format == wxPATH_VMS )
278     {
279     path << volume << wxFileName::GetVolumeSeparator(format);
280     }
281     // else ignore
282     }
283    
284     return path;
285     }
286    
287     // return true if the format used is the DOS/Windows one and the string looks
288     // like a UNC path
289     static bool IsUNCPath(const wxString& path, wxPathFormat format)
290     {
291     return format == wxPATH_DOS &&
292     path.length() >= 4 && // "\\a" can't be a UNC path
293     path[0u] == wxFILE_SEP_PATH_DOS &&
294     path[1u] == wxFILE_SEP_PATH_DOS &&
295     path[2u] != wxFILE_SEP_PATH_DOS;
296     }
297    
298     // ============================================================================
299     // implementation
300     // ============================================================================
301    
302     // ----------------------------------------------------------------------------
303     // wxFileName construction
304     // ----------------------------------------------------------------------------
305    
306     void wxFileName::Assign( const wxFileName &filepath )
307     {
308     m_volume = filepath.GetVolume();
309     m_dirs = filepath.GetDirs();
310     m_name = filepath.GetName();
311     m_ext = filepath.GetExt();
312     m_relative = filepath.m_relative;
313     m_hasExt = filepath.m_hasExt;
314     }
315    
316     void wxFileName::Assign(const wxString& volume,
317     const wxString& path,
318     const wxString& name,
319     const wxString& ext,
320     bool hasExt,
321     wxPathFormat format)
322     {
323     // we should ignore paths which look like UNC shares because we already
324     // have the volume here and the UNC notation (\\server\path) is only valid
325     // for paths which don't start with a volume, so prevent SetPath() from
326     // recognizing "\\foo\bar" in "c:\\foo\bar" as an UNC path
327     //
328     // note also that this is a rather ugly way to do what we want (passing
329     // some kind of flag telling to ignore UNC paths to SetPath() would be
330     // better) but this is the safest thing to do to avoid breaking backwards
331     // compatibility in 2.8
332     if ( IsUNCPath(path, format) )
333     {
334     // remove one of the 2 leading backslashes to ensure that it's not
335     // recognized as an UNC path by SetPath()
336     wxString pathNonUNC(path, 1, wxString::npos);
337     SetPath(pathNonUNC, format);
338     }
339     else // no UNC complications
340     {
341     SetPath(path, format);
342     }
343    
344     m_volume = volume;
345     m_ext = ext;
346     m_name = name;
347    
348     m_hasExt = hasExt;
349     }
350    
351     void wxFileName::SetPath( const wxString& pathOrig, wxPathFormat format )
352     {
353     m_dirs.Clear();
354    
355     if ( pathOrig.empty() )
356     {
357     // no path at all
358     m_relative = true;
359    
360     return;
361     }
362    
363     format = GetFormat( format );
364    
365     // 0) deal with possible volume part first
366     wxString volume,
367     path;
368     SplitVolume(pathOrig, &volume, &path, format);
369     if ( !volume.empty() )
370     {
371     m_relative = false;
372    
373     SetVolume(volume);
374     }
375    
376     // 1) Determine if the path is relative or absolute.
377     wxChar leadingChar = path[0u];
378    
379     switch (format)
380     {
381     case wxPATH_MAC:
382     m_relative = leadingChar == wxT(':');
383    
384     // We then remove a leading ":". The reason is in our
385     // storage form for relative paths:
386     // ":dir:file.txt" actually means "./dir/file.txt" in
387     // DOS notation and should get stored as
388     // (relative) (dir) (file.txt)
389     // "::dir:file.txt" actually means "../dir/file.txt"
390     // stored as (relative) (..) (dir) (file.txt)
391     // This is important only for the Mac as an empty dir
392     // actually means <UP>, whereas under DOS, double
393     // slashes can be ignored: "\\\\" is the same as "\\".
394     if (m_relative)
395     path.erase( 0, 1 );
396     break;
397    
398     case wxPATH_VMS:
399     // TODO: what is the relative path format here?
400     m_relative = false;
401     break;
402    
403     default:
404     wxFAIL_MSG( _T("Unknown path format") );
405     // !! Fall through !!
406    
407     case wxPATH_UNIX:
408     // the paths of the form "~" or "~username" are absolute
409     m_relative = leadingChar != wxT('/') && leadingChar != _T('~');
410     break;
411    
412     case wxPATH_DOS:
413     m_relative = !IsPathSeparator(leadingChar, format);
414     break;
415    
416     }
417    
418     // 2) Break up the path into its members. If the original path
419     // was just "/" or "\\", m_dirs will be empty. We know from
420     // the m_relative field, if this means "nothing" or "root dir".
421    
422     wxStringTokenizer tn( path, GetPathSeparators(format) );
423    
424     while ( tn.HasMoreTokens() )
425     {
426     wxString token = tn.GetNextToken();
427    
428     // Remove empty token under DOS and Unix, interpret them
429     // as .. under Mac.
430     if (token.empty())
431     {
432     if (format == wxPATH_MAC)
433     m_dirs.Add( wxT("..") );
434     // else ignore
435     }
436     else
437     {
438     m_dirs.Add( token );
439     }
440     }
441     }
442    
443     void wxFileName::Assign(const wxString& fullpath,
444     wxPathFormat format)
445     {
446     wxString volume, path, name, ext;
447     bool hasExt;
448     SplitPath(fullpath, &volume, &path, &name, &ext, &hasExt, format);
449    
450     Assign(volume, path, name, ext, hasExt, format);
451     }
452    
453     void wxFileName::Assign(const wxString& fullpathOrig,
454     const wxString& fullname,
455     wxPathFormat format)
456     {
457     // always recognize fullpath as directory, even if it doesn't end with a
458     // slash
459     wxString fullpath = fullpathOrig;
460     if ( !fullpath.empty() && !wxEndsWithPathSeparator(fullpath) )
461     {
462     fullpath += GetPathSeparator(format);
463     }
464    
465     wxString volume, path, name, ext;
466     bool hasExt;
467    
468     // do some consistency checks in debug mode: the name should be really just
469     // the filename and the path should be really just a path
470     #ifdef __WXDEBUG__
471     wxString volDummy, pathDummy, nameDummy, extDummy;
472    
473     SplitPath(fullname, &volDummy, &pathDummy, &name, &ext, &hasExt, format);
474    
475     wxASSERT_MSG( volDummy.empty() && pathDummy.empty(),
476     _T("the file name shouldn't contain the path") );
477    
478     SplitPath(fullpath, &volume, &path, &nameDummy, &extDummy, format);
479    
480     wxASSERT_MSG( nameDummy.empty() && extDummy.empty(),
481     _T("the path shouldn't contain file name nor extension") );
482    
483     #else // !__WXDEBUG__
484     SplitPath(fullname, NULL /* no volume */, NULL /* no path */,
485     &name, &ext, &hasExt, format);
486     SplitPath(fullpath, &volume, &path, NULL, NULL, format);
487     #endif // __WXDEBUG__/!__WXDEBUG__
488    
489     Assign(volume, path, name, ext, hasExt, format);
490     }
491    
492     void wxFileName::Assign(const wxString& pathOrig,
493     const wxString& name,
494     const wxString& ext,
495     wxPathFormat format)
496     {
497     wxString volume,
498     path;
499     SplitVolume(pathOrig, &volume, &path, format);
500    
501     Assign(volume, path, name, ext, format);
502     }
503    
504     void wxFileName::AssignDir(const wxString& dir, wxPathFormat format)
505     {
506     Assign(dir, wxEmptyString, format);
507     }
508    
509     void wxFileName::Clear()
510     {
511     m_dirs.Clear();
512    
513     m_volume =
514     m_name =
515     m_ext = wxEmptyString;
516    
517     // we don't have any absolute path for now
518     m_relative = true;
519    
520     // nor any extension
521     m_hasExt = false;
522     }
523    
524     /* static */
525     wxFileName wxFileName::FileName(const wxString& file, wxPathFormat format)
526     {
527     return wxFileName(file, format);
528     }
529    
530     /* static */
531     wxFileName wxFileName::DirName(const wxString& dir, wxPathFormat format)
532     {
533     wxFileName fn;
534     fn.AssignDir(dir, format);
535     return fn;
536     }
537    
538     // ----------------------------------------------------------------------------
539     // existence tests
540     // ----------------------------------------------------------------------------
541    
542     bool wxFileName::FileExists() const
543     {
544     return wxFileName::FileExists( GetFullPath() );
545     }
546    
547     bool wxFileName::FileExists( const wxString &file )
548     {
549     return ::wxFileExists( file );
550     }
551    
552     bool wxFileName::DirExists() const
553     {
554     return wxFileName::DirExists( GetPath() );
555     }
556    
557     bool wxFileName::DirExists( const wxString &dir )
558     {
559     return ::wxDirExists( dir );
560     }
561    
562     // ----------------------------------------------------------------------------
563     // CWD and HOME stuff
564     // ----------------------------------------------------------------------------
565    
566     void wxFileName::AssignCwd(const wxString& volume)
567     {
568     AssignDir(wxFileName::GetCwd(volume));
569     }
570    
571     /* static */
572     wxString wxFileName::GetCwd(const wxString& volume)
573     {
574     // if we have the volume, we must get the current directory on this drive
575     // and to do this we have to chdir to this volume - at least under Windows,
576     // I don't know how to get the current drive on another volume elsewhere
577     // (TODO)
578     wxString cwdOld;
579     if ( !volume.empty() )
580     {
581     cwdOld = wxGetCwd();
582     SetCwd(volume + GetVolumeSeparator());
583     }
584    
585     wxString cwd = ::wxGetCwd();
586    
587     if ( !volume.empty() )
588     {
589     SetCwd(cwdOld);
590     }
591    
592     return cwd;
593     }
594    
595     bool wxFileName::SetCwd()
596     {
597     return wxFileName::SetCwd( GetPath() );
598     }
599    
600     bool wxFileName::SetCwd( const wxString &cwd )
601     {
602     return ::wxSetWorkingDirectory( cwd );
603     }
604    
605     void wxFileName::AssignHomeDir()
606     {
607     AssignDir(wxFileName::GetHomeDir());
608     }
609    
610     wxString wxFileName::GetHomeDir()
611     {
612     return ::wxGetHomeDir();
613     }
614    
615    
616     // ----------------------------------------------------------------------------
617     // CreateTempFileName
618     // ----------------------------------------------------------------------------
619    
620     #if wxUSE_FILE || wxUSE_FFILE
621    
622    
623     #if !defined wx_fdopen && defined HAVE_FDOPEN
624     #define wx_fdopen fdopen
625     #endif
626    
627     // NB: GetTempFileName() under Windows creates the file, so using
628     // O_EXCL there would fail
629     #ifdef __WINDOWS__
630     #define wxOPEN_EXCL 0
631     #else
632     #define wxOPEN_EXCL O_EXCL
633     #endif
634    
635    
636     #ifdef wxOpenOSFHandle
637     #define WX_HAVE_DELETE_ON_CLOSE
638     // On Windows create a file with the FILE_FLAGS_DELETE_ON_CLOSE flags.
639     //
640     static int wxOpenWithDeleteOnClose(const wxString& filename)
641     {
642     DWORD access = GENERIC_READ | GENERIC_WRITE;
643    
644     DWORD disposition = OPEN_ALWAYS;
645    
646     DWORD attributes = FILE_ATTRIBUTE_TEMPORARY |
647     FILE_FLAG_DELETE_ON_CLOSE;
648    
649     HANDLE h = ::CreateFile(filename, access, 0, NULL,
650     disposition, attributes, NULL);
651    
652     return wxOpenOSFHandle(h, wxO_BINARY);
653     }
654     #endif // wxOpenOSFHandle
655    
656    
657     // Helper to open the file
658     //
659     static int wxTempOpen(const wxString& path, bool *deleteOnClose)
660     {
661     #ifdef WX_HAVE_DELETE_ON_CLOSE
662     if (*deleteOnClose)
663     return wxOpenWithDeleteOnClose(path);
664     #endif
665    
666     *deleteOnClose = false;
667    
668     return wxOpen(path, wxO_BINARY | O_RDWR | O_CREAT | wxOPEN_EXCL, 0600);
669     }
670    
671    
672     #if wxUSE_FFILE
673     // Helper to open the file and attach it to the wxFFile
674     //
675     static bool wxTempOpen(wxFFile *file, const wxString& path, bool *deleteOnClose)
676     {
677     #ifndef wx_fdopen
678     *deleteOnClose = false;
679     return file->Open(path, _T("w+b"));
680     #else // wx_fdopen
681     int fd = wxTempOpen(path, deleteOnClose);
682     if (fd == -1)
683     return false;
684     file->Attach(wx_fdopen(fd, "w+b"));
685     return file->IsOpened();
686     #endif // wx_fdopen
687     }
688     #endif // wxUSE_FFILE
689    
690    
691     #if !wxUSE_FILE
692     #define WXFILEARGS(x, y) y
693     #elif !wxUSE_FFILE
694     #define WXFILEARGS(x, y) x
695     #else
696     #define WXFILEARGS(x, y) x, y
697     #endif
698    
699    
700     // Implementation of wxFileName::CreateTempFileName().
701     //
702     static wxString wxCreateTempImpl(
703     const wxString& prefix,
704     WXFILEARGS(wxFile *fileTemp, wxFFile *ffileTemp),
705     bool *deleteOnClose = NULL)
706     {
707     #if wxUSE_FILE && wxUSE_FFILE
708     wxASSERT(fileTemp == NULL || ffileTemp == NULL);
709     #endif
710     wxString path, dir, name;
711     bool wantDeleteOnClose = false;
712    
713     if (deleteOnClose)
714     {
715     // set the result to false initially
716     wantDeleteOnClose = *deleteOnClose;
717     *deleteOnClose = false;
718     }
719     else
720     {
721     // easier if it alwasys points to something
722     deleteOnClose = &wantDeleteOnClose;
723     }
724    
725     // use the directory specified by the prefix
726     wxFileName::SplitPath(prefix, &dir, &name, NULL /* extension */);
727    
728     if (dir.empty())
729     {
730     dir = wxFileName::GetTempDir();
731     }
732    
733     #if defined(__WXWINCE__)
734     path = dir + wxT("\\") + name;
735     int i = 1;
736     while (wxFileName::FileExists(path))
737     {
738     path = dir + wxT("\\") + name ;
739     path << i;
740     i ++;
741     }
742    
743     #elif defined(__WINDOWS__) && !defined(__WXMICROWIN__)
744     if ( !::GetTempFileName(dir, name, 0, wxStringBuffer(path, MAX_PATH + 1)) )
745     {
746     wxLogLastError(_T("GetTempFileName"));
747    
748     path.clear();
749     }
750    
751     #else // !Windows
752     path = dir;
753    
754     if ( !wxEndsWithPathSeparator(dir) &&
755     (name.empty() || !wxIsPathSeparator(name[0u])) )
756     {
757     path += wxFILE_SEP_PATH;
758     }
759    
760     path += name;
761    
762     #if defined(HAVE_MKSTEMP)
763     // scratch space for mkstemp()
764     path += _T("XXXXXX");
765    
766     // we need to copy the path to the buffer in which mkstemp() can modify it
767     wxCharBuffer buf( wxConvFile.cWX2MB( path ) );
768    
769     // cast is safe because the string length doesn't change
770     int fdTemp = mkstemp( (char*)(const char*) buf );
771     if ( fdTemp == -1 )
772     {
773     // this might be not necessary as mkstemp() on most systems should have
774     // already done it but it doesn't hurt neither...
775     path.clear();
776     }
777     else // mkstemp() succeeded
778     {
779     path = wxConvFile.cMB2WX( (const char*) buf );
780    
781     #if wxUSE_FILE
782     // avoid leaking the fd
783     if ( fileTemp )
784     {
785     fileTemp->Attach(fdTemp);
786     }
787     else
788     #endif
789    
790     #if wxUSE_FFILE
791     if ( ffileTemp )
792     {
793     #ifdef wx_fdopen
794     ffileTemp->Attach(wx_fdopen(fdTemp, "r+b"));
795     #else
796     ffileTemp->Open(path, _T("r+b"));
797     close(fdTemp);
798     #endif
799     }
800     else
801     #endif
802    
803     {
804     close(fdTemp);
805     }
806     }
807     #else // !HAVE_MKSTEMP
808    
809     #ifdef HAVE_MKTEMP
810     // same as above
811     path += _T("XXXXXX");
812    
813     wxCharBuffer buf = wxConvFile.cWX2MB( path );
814     if ( !mktemp( (char*)(const char*) buf ) )
815     {
816     path.clear();
817     }
818     else
819     {
820     path = wxConvFile.cMB2WX( (const char*) buf );
821     }
822     #else // !HAVE_MKTEMP (includes __DOS__)
823     // generate the unique file name ourselves
824     #if !defined(__DOS__) && !defined(__PALMOS__) && (!defined(__MWERKS__) || defined(__DARWIN__) )
825     path << (unsigned int)getpid();
826     #endif
827    
828     wxString pathTry;
829    
830     static const size_t numTries = 1000;
831     for ( size_t n = 0; n < numTries; n++ )
832     {
833     // 3 hex digits is enough for numTries == 1000 < 4096
834     pathTry = path + wxString::Format(_T("%.03x"), (unsigned int) n);
835     if ( !wxFileName::FileExists(pathTry) )
836     {
837     break;
838     }
839    
840     pathTry.clear();
841     }
842    
843     path = pathTry;
844     #endif // HAVE_MKTEMP/!HAVE_MKTEMP
845    
846     #endif // HAVE_MKSTEMP/!HAVE_MKSTEMP
847    
848     #endif // Windows/!Windows
849    
850     if ( path.empty() )
851     {
852     wxLogSysError(_("Failed to create a temporary file name"));
853     }
854     else
855     {
856     bool ok = true;
857    
858     // open the file - of course, there is a race condition here, this is
859     // why we always prefer using mkstemp()...
860     #if wxUSE_FILE
861     if ( fileTemp && !fileTemp->IsOpened() )
862     {
863     *deleteOnClose = wantDeleteOnClose;
864     int fd = wxTempOpen(path, deleteOnClose);
865     if (fd != -1)
866     fileTemp->Attach(fd);
867     else
868     ok = false;
869     }
870     #endif
871    
872     #if wxUSE_FFILE
873     if ( ffileTemp && !ffileTemp->IsOpened() )
874     {
875     *deleteOnClose = wantDeleteOnClose;
876     ok = wxTempOpen(ffileTemp, path, deleteOnClose);
877     }
878     #endif
879    
880     if ( !ok )
881     {
882     // FIXME: If !ok here should we loop and try again with another
883     // file name? That is the standard recourse if open(O_EXCL)
884     // fails, though of course it should be protected against
885     // possible infinite looping too.
886    
887     wxLogError(_("Failed to open temporary file."));
888    
889     path.clear();
890     }
891     }
892    
893     return path;
894     }
895    
896    
897     static bool wxCreateTempImpl(
898     const wxString& prefix,
899     WXFILEARGS(wxFile *fileTemp, wxFFile *ffileTemp),
900     wxString *name)
901     {
902     bool deleteOnClose = true;
903    
904     *name = wxCreateTempImpl(prefix,
905     WXFILEARGS(fileTemp, ffileTemp),
906     &deleteOnClose);
907    
908     bool ok = !name->empty();
909    
910     if (deleteOnClose)
911     name->clear();
912     #ifdef __UNIX__
913     else if (ok && wxRemoveFile(*name))
914     name->clear();
915     #endif
916    
917     return ok;
918     }
919    
920    
921     static void wxAssignTempImpl(
922     wxFileName *fn,
923     const wxString& prefix,
924     WXFILEARGS(wxFile *fileTemp, wxFFile *ffileTemp))
925     {
926     wxString tempname;
927     tempname = wxCreateTempImpl(prefix, WXFILEARGS(fileTemp, ffileTemp));
928    
929     if ( tempname.empty() )
930     {
931     // error, failed to get temp file name
932     fn->Clear();
933     }
934     else // ok
935     {
936     fn->Assign(tempname);
937     }
938     }
939    
940    
941     void wxFileName::AssignTempFileName(const wxString& prefix)
942     {
943     wxAssignTempImpl(this, prefix, WXFILEARGS(NULL, NULL));
944     }
945    
946     /* static */
947     wxString wxFileName::CreateTempFileName(const wxString& prefix)
948     {
949     return wxCreateTempImpl(prefix, WXFILEARGS(NULL, NULL));
950     }
951    
952     #endif // wxUSE_FILE || wxUSE_FFILE
953    
954    
955     #if wxUSE_FILE
956    
957     wxString wxCreateTempFileName(const wxString& prefix,
958     wxFile *fileTemp,
959     bool *deleteOnClose)
960     {
961     return wxCreateTempImpl(prefix, WXFILEARGS(fileTemp, NULL), deleteOnClose);
962     }
963    
964     bool wxCreateTempFile(const wxString& prefix,
965     wxFile *fileTemp,
966     wxString *name)
967     {
968     return wxCreateTempImpl(prefix, WXFILEARGS(fileTemp, NULL), name);
969     }
970    
971     void wxFileName::AssignTempFileName(const wxString& prefix, wxFile *fileTemp)
972     {
973     wxAssignTempImpl(this, prefix, WXFILEARGS(fileTemp, NULL));
974     }
975    
976     /* static */
977     wxString
978     wxFileName::CreateTempFileName(const wxString& prefix, wxFile *fileTemp)
979     {
980     return wxCreateTempFileName(prefix, fileTemp);
981     }
982    
983     #endif // wxUSE_FILE
984    
985    
986     #if wxUSE_FFILE
987    
988     wxString wxCreateTempFileName(const wxString& prefix,
989     wxFFile *fileTemp,
990     bool *deleteOnClose)
991     {
992     return wxCreateTempImpl(prefix, WXFILEARGS(NULL, fileTemp), deleteOnClose);
993     }
994    
995     bool wxCreateTempFile(const wxString& prefix,
996     wxFFile *fileTemp,
997     wxString *name)
998     {
999     return wxCreateTempImpl(prefix, WXFILEARGS(NULL, fileTemp), name);
1000    
1001     }
1002    
1003     void wxFileName::AssignTempFileName(const wxString& prefix, wxFFile *fileTemp)
1004     {
1005     wxAssignTempImpl(this, prefix, WXFILEARGS(NULL, fileTemp));
1006     }
1007    
1008     /* static */
1009     wxString
1010     wxFileName::CreateTempFileName(const wxString& prefix, wxFFile *fileTemp)
1011     {
1012     return wxCreateTempFileName(prefix, fileTemp);
1013     }
1014    
1015     #endif // wxUSE_FFILE
1016    
1017    
1018     // ----------------------------------------------------------------------------
1019     // directory operations
1020     // ----------------------------------------------------------------------------
1021    
1022     wxString wxFileName::GetTempDir()
1023     {
1024     wxString dir;
1025     dir = wxGetenv(_T("TMPDIR"));
1026     if (dir.empty())
1027     {
1028     dir = wxGetenv(_T("TMP"));
1029     if (dir.empty())
1030     {
1031     dir = wxGetenv(_T("TEMP"));
1032     }
1033     }
1034    
1035     #if defined(__WXWINCE__)
1036     if (dir.empty())
1037     {
1038     // FIXME. Create \temp dir?
1039     if (DirExists(wxT("\\temp")))
1040     dir = wxT("\\temp");
1041     }
1042     #elif defined(__WINDOWS__) && !defined(__WXMICROWIN__)
1043    
1044     if ( dir.empty() )
1045     {
1046     if ( !::GetTempPath(MAX_PATH, wxStringBuffer(dir, MAX_PATH + 1)) )
1047     {
1048     wxLogLastError(_T("GetTempPath"));
1049     }
1050    
1051     if ( dir.empty() )
1052     {
1053     // GetTempFileName() fails if we pass it an empty string
1054     dir = _T('.');
1055     }
1056     }
1057     #else // !Windows
1058    
1059     if ( dir.empty() )
1060     {
1061     // default
1062     #if defined(__DOS__) || defined(__OS2__)
1063     dir = _T(".");
1064     #elif defined(__WXMAC__)
1065     dir = wxMacFindFolder(short(kOnSystemDisk), kTemporaryFolderType, kCreateFolder);
1066     #else
1067     dir = _T("/tmp");
1068     #endif
1069     }
1070     #endif
1071    
1072     return dir;
1073     }
1074    
1075     bool wxFileName::Mkdir( int perm, int flags )
1076     {
1077     return wxFileName::Mkdir(GetPath(), perm, flags);
1078     }
1079    
1080     bool wxFileName::Mkdir( const wxString& dir, int perm, int flags )
1081     {
1082     if ( flags & wxPATH_MKDIR_FULL )
1083     {
1084     // split the path in components
1085     wxFileName filename;
1086     filename.AssignDir(dir);
1087    
1088     wxString currPath;
1089     if ( filename.HasVolume())
1090     {
1091     currPath << wxGetVolumeString(filename.GetVolume(), wxPATH_NATIVE);
1092     }
1093    
1094     wxArrayString dirs = filename.GetDirs();
1095     size_t count = dirs.GetCount();
1096     for ( size_t i = 0; i < count; i++ )
1097     {
1098     if ( i > 0 ||
1099     #if defined(__WXMAC__) && !defined(__DARWIN__)
1100     // relative pathnames are exactely the other way round under mac...
1101     !filename.IsAbsolute()
1102     #else
1103     filename.IsAbsolute()
1104     #endif
1105     )
1106     currPath += wxFILE_SEP_PATH;
1107     currPath += dirs[i];
1108    
1109     if (!DirExists(currPath))
1110     {
1111     if (!wxMkdir(currPath, perm))
1112     {
1113     // no need to try creating further directories
1114     return false;
1115     }
1116     }
1117     }
1118    
1119     return true;
1120    
1121     }
1122    
1123     return ::wxMkdir( dir, perm );
1124     }
1125    
1126     bool wxFileName::Rmdir()
1127     {
1128     return wxFileName::Rmdir( GetPath() );
1129     }
1130    
1131     bool wxFileName::Rmdir( const wxString &dir )
1132     {
1133     return ::wxRmdir( dir );
1134     }
1135    
1136     // ----------------------------------------------------------------------------
1137     // path normalization
1138     // ----------------------------------------------------------------------------
1139    
1140     bool wxFileName::Normalize(int flags,
1141     const wxString& cwd,
1142     wxPathFormat format)
1143     {
1144     // deal with env vars renaming first as this may seriously change the path
1145     if ( flags & wxPATH_NORM_ENV_VARS )
1146     {
1147     wxString pathOrig = GetFullPath(format);
1148     wxString path = wxExpandEnvVars(pathOrig);
1149     if ( path != pathOrig )
1150     {
1151     Assign(path);
1152     }
1153     }
1154    
1155    
1156     // the existing path components
1157     wxArrayString dirs = GetDirs();
1158    
1159     // the path to prepend in front to make the path absolute
1160     wxFileName curDir;
1161    
1162     format = GetFormat(format);
1163    
1164     // set up the directory to use for making the path absolute later
1165     if ( (flags & wxPATH_NORM_ABSOLUTE) && !IsAbsolute(format) )
1166     {
1167     if ( cwd.empty() )
1168     {
1169     curDir.AssignCwd(GetVolume());
1170     }
1171     else // cwd provided
1172     {
1173     curDir.AssignDir(cwd);
1174     }
1175     }
1176    
1177     // handle ~ stuff under Unix only
1178     if ( (format == wxPATH_UNIX) && (flags & wxPATH_NORM_TILDE) )
1179     {
1180     if ( !dirs.IsEmpty() )
1181     {
1182     wxString dir = dirs[0u];
1183     if ( !dir.empty() && dir[0u] == _T('~') )
1184     {
1185     // to make the path absolute use the home directory
1186     curDir.AssignDir(wxGetUserHome(dir.c_str() + 1));
1187    
1188     // if we are expanding the tilde, then this path
1189     // *should* be already relative (since we checked for
1190     // the tilde only in the first char of the first dir);
1191     // if m_relative==false, it's because it was initialized
1192     // from a string which started with /~; in that case
1193     // we reach this point but then need m_relative=true
1194     // for relative->absolute expansion later
1195     m_relative = true;
1196    
1197     dirs.RemoveAt(0u);
1198     }
1199     }
1200     }
1201    
1202     // transform relative path into abs one
1203     if ( curDir.IsOk() )
1204     {
1205     // this path may be relative because it doesn't have the volume name
1206     // and still have m_relative=true; in this case we shouldn't modify
1207     // our directory components but just set the current volume
1208     if ( !HasVolume() && curDir.HasVolume() )
1209     {
1210     SetVolume(curDir.GetVolume());
1211    
1212     if ( !m_relative )
1213     {
1214     // yes, it was the case - we don't need curDir then
1215     curDir.Clear();
1216     }
1217     }
1218    
1219     // finally, prepend curDir to the dirs array
1220     wxArrayString dirsNew = curDir.GetDirs();
1221     WX_PREPEND_ARRAY(dirs, dirsNew);
1222    
1223     // if we used e.g. tilde expansion previously and wxGetUserHome didn't
1224     // return for some reason an absolute path, then curDir maybe not be absolute!
1225     if ( curDir.IsAbsolute(format) )
1226     {
1227     // we have prepended an absolute path and thus we are now an absolute
1228     // file name too
1229     m_relative = false;
1230     }
1231     // else if (flags & wxPATH_NORM_ABSOLUTE):
1232     // should we warn the user that we didn't manage to make the path absolute?
1233     }
1234    
1235     // now deal with ".", ".." and the rest
1236     m_dirs.Empty();
1237     size_t count = dirs.GetCount();
1238     for ( size_t n = 0; n < count; n++ )
1239     {
1240     wxString dir = dirs[n];
1241    
1242     if ( flags & wxPATH_NORM_DOTS )
1243     {
1244     if ( dir == wxT(".") )
1245     {
1246     // just ignore
1247     continue;
1248     }
1249    
1250     if ( dir == wxT("..") )
1251     {
1252     if ( m_dirs.IsEmpty() )
1253     {
1254     wxLogError(_("The path '%s' contains too many \"..\"!"),
1255     GetFullPath().c_str());
1256     return false;
1257     }
1258    
1259     m_dirs.RemoveAt(m_dirs.GetCount() - 1);
1260     continue;
1261     }
1262     }
1263    
1264     m_dirs.Add(dir);
1265     }
1266    
1267     #if defined(__WIN32__) && !defined(__WXWINCE__) && wxUSE_OLE
1268     if ( (flags & wxPATH_NORM_SHORTCUT) )
1269     {
1270     wxString filename;
1271     if (GetShortcutTarget(GetFullPath(format), filename))
1272     {
1273     m_relative = false;
1274     Assign(filename);
1275     }
1276     }
1277     #endif
1278    
1279     #if defined(__WIN32__)
1280     if ( (flags & wxPATH_NORM_LONG) && (format == wxPATH_DOS) )
1281     {
1282     Assign(GetLongPath());
1283     }
1284     #endif // Win32
1285    
1286     // Change case (this should be kept at the end of the function, to ensure
1287     // that the path doesn't change any more after we normalize its case)
1288     if ( (flags & wxPATH_NORM_CASE) && !IsCaseSensitive(format) )
1289     {
1290     m_volume.MakeLower();
1291     m_name.MakeLower();
1292     m_ext.MakeLower();
1293    
1294     // directory entries must be made lower case as well
1295     count = m_dirs.GetCount();
1296     for ( size_t i = 0; i < count; i++ )
1297     {
1298     m_dirs[i].MakeLower();
1299     }
1300     }
1301    
1302     return true;
1303     }
1304    
1305     // ----------------------------------------------------------------------------
1306     // get the shortcut target
1307     // ----------------------------------------------------------------------------
1308    
1309     // WinCE (3) doesn't have CLSID_ShellLink, IID_IShellLink definitions.
1310     // The .lnk file is a plain text file so it should be easy to
1311     // make it work. Hint from Google Groups:
1312     // "If you open up a lnk file, you'll see a
1313     // number, followed by a pound sign (#), followed by more text. The
1314     // number is the number of characters that follows the pound sign. The
1315     // characters after the pound sign are the command line (which _can_
1316     // include arguments) to be executed. Any path (e.g. \windows\program
1317     // files\myapp.exe) that includes spaces needs to be enclosed in
1318     // quotation marks."
1319    
1320     #if defined(__WIN32__) && !defined(__WXWINCE__) && wxUSE_OLE
1321     // The following lines are necessary under WinCE
1322     // #include "wx/msw/private.h"
1323     // #include <ole2.h>
1324     #include <shlobj.h>
1325     #if defined(__WXWINCE__)
1326     #include <shlguid.h>
1327     #endif
1328    
1329     bool wxFileName::GetShortcutTarget(const wxString& shortcutPath,
1330     wxString& targetFilename,
1331     wxString* arguments)
1332     {
1333     wxString path, file, ext;
1334     wxSplitPath(shortcutPath, & path, & file, & ext);
1335    
1336     HRESULT hres;
1337     IShellLink* psl;
1338     bool success = false;
1339    
1340     // Assume it's not a shortcut if it doesn't end with lnk
1341     if (ext.CmpNoCase(wxT("lnk"))!=0)
1342     return false;
1343    
1344     // create a ShellLink object
1345     hres = CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER,
1346     IID_IShellLink, (LPVOID*) &psl);
1347    
1348     if (SUCCEEDED(hres))
1349     {
1350     IPersistFile* ppf;
1351     hres = psl->QueryInterface( IID_IPersistFile, (LPVOID *) &ppf);
1352     if (SUCCEEDED(hres))
1353     {
1354     WCHAR wsz[MAX_PATH];
1355    
1356     MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, shortcutPath.mb_str(), -1, wsz,
1357     MAX_PATH);
1358    
1359     hres = ppf->Load(wsz, 0);
1360     ppf->Release();
1361    
1362     if (SUCCEEDED(hres))
1363     {
1364     wxChar buf[2048];
1365     // Wrong prototype in early versions
1366     #if defined(__MINGW32__) && !wxCHECK_W32API_VERSION(2, 2)
1367     psl->GetPath((CHAR*) buf, 2048, NULL, SLGP_UNCPRIORITY);
1368     #else
1369     psl->GetPath(buf, 2048, NULL, SLGP_UNCPRIORITY);
1370     #endif
1371     targetFilename = wxString(buf);
1372     success = (shortcutPath != targetFilename);
1373    
1374     psl->GetArguments(buf, 2048);
1375     wxString args(buf);
1376     if (!args.empty() && arguments)
1377     {
1378     *arguments = args;
1379     }
1380     }
1381     }
1382    
1383     psl->Release();
1384     }
1385     return success;
1386     }
1387    
1388     #endif // __WIN32__ && !__WXWINCE__
1389    
1390    
1391     // ----------------------------------------------------------------------------
1392     // absolute/relative paths
1393     // ----------------------------------------------------------------------------
1394    
1395     bool wxFileName::IsAbsolute(wxPathFormat format) const
1396     {
1397     // if our path doesn't start with a path separator, it's not an absolute
1398     // path
1399     if ( m_relative )
1400     return false;
1401    
1402     if ( !GetVolumeSeparator(format).empty() )
1403     {
1404     // this format has volumes and an absolute path must have one, it's not
1405     // enough to have the full path to bean absolute file under Windows
1406     if ( GetVolume().empty() )
1407     return false;
1408     }
1409    
1410     return true;
1411     }
1412    
1413     bool wxFileName::MakeRelativeTo(const wxString& pathBase, wxPathFormat format)
1414     {
1415     wxFileName fnBase = wxFileName::DirName(pathBase, format);
1416    
1417     // get cwd only once - small time saving
1418     wxString cwd = wxGetCwd();
1419     Normalize(wxPATH_NORM_ALL & ~wxPATH_NORM_CASE, cwd, format);
1420     fnBase.Normalize(wxPATH_NORM_ALL & ~wxPATH_NORM_CASE, cwd, format);
1421    
1422     bool withCase = IsCaseSensitive(format);
1423    
1424     // we can't do anything if the files live on different volumes
1425     if ( !GetVolume().IsSameAs(fnBase.GetVolume(), withCase) )
1426     {
1427     // nothing done
1428     return false;
1429     }
1430    
1431     // same drive, so we don't need our volume
1432     m_volume.clear();
1433    
1434     // remove common directories starting at the top
1435     while ( !m_dirs.IsEmpty() && !fnBase.m_dirs.IsEmpty() &&
1436     m_dirs[0u].IsSameAs(fnBase.m_dirs[0u], withCase) )
1437     {
1438     m_dirs.RemoveAt(0);
1439     fnBase.m_dirs.RemoveAt(0);
1440     }
1441    
1442     // add as many ".." as needed
1443     size_t count = fnBase.m_dirs.GetCount();
1444     for ( size_t i = 0; i < count; i++ )
1445     {
1446     m_dirs.Insert(wxT(".."), 0u);
1447     }
1448    
1449     if ( format == wxPATH_UNIX || format == wxPATH_DOS )
1450     {
1451     // a directory made relative with respect to itself is '.' under Unix
1452     // and DOS, by definition (but we don't have to insert "./" for the
1453     // files)
1454     if ( m_dirs.IsEmpty() && IsDir() )
1455     {
1456     m_dirs.Add(_T('.'));
1457     }
1458     }
1459    
1460     m_relative = true;
1461    
1462     // we were modified
1463     return true;
1464     }
1465    
1466     // ----------------------------------------------------------------------------
1467     // filename kind tests
1468     // ----------------------------------------------------------------------------
1469    
1470     bool wxFileName::SameAs(const wxFileName& filepath, wxPathFormat format) const
1471     {
1472     wxFileName fn1 = *this,
1473     fn2 = filepath;
1474    
1475     // get cwd only once - small time saving
1476     wxString cwd = wxGetCwd();
1477     fn1.Normalize(wxPATH_NORM_ALL | wxPATH_NORM_CASE, cwd, format);
1478     fn2.Normalize(wxPATH_NORM_ALL | wxPATH_NORM_CASE, cwd, format);
1479    
1480     if ( fn1.GetFullPath() == fn2.GetFullPath() )
1481     return true;
1482    
1483     // TODO: compare inodes for Unix, this works even when filenames are
1484     // different but files are the same (symlinks) (VZ)
1485    
1486     return false;
1487     }
1488    
1489     /* static */
1490     bool wxFileName::IsCaseSensitive( wxPathFormat format )
1491     {
1492     // only Unix filenames are truely case-sensitive
1493     return GetFormat(format) == wxPATH_UNIX;
1494     }
1495    
1496     /* static */
1497     wxString wxFileName::GetForbiddenChars(wxPathFormat format)
1498     {
1499     // Inits to forbidden characters that are common to (almost) all platforms.
1500     wxString strForbiddenChars = wxT("*?");
1501    
1502     // If asserts, wxPathFormat has been changed. In case of a new path format
1503     // addition, the following code might have to be updated.
1504     wxCOMPILE_TIME_ASSERT(wxPATH_MAX == 5, wxPathFormatChanged);
1505     switch ( GetFormat(format) )
1506     {
1507     default :
1508     wxFAIL_MSG( wxT("Unknown path format") );
1509     // !! Fall through !!
1510    
1511     case wxPATH_UNIX:
1512     break;
1513    
1514     case wxPATH_MAC:
1515     // On a Mac even names with * and ? are allowed (Tested with OS
1516     // 9.2.1 and OS X 10.2.5)
1517     strForbiddenChars = wxEmptyString;
1518     break;
1519    
1520     case wxPATH_DOS:
1521     strForbiddenChars += wxT("\\/:\"<>|");
1522     break;
1523    
1524     case wxPATH_VMS:
1525     break;
1526     }
1527    
1528     return strForbiddenChars;
1529     }
1530    
1531     /* static */
1532     wxString wxFileName::GetVolumeSeparator(wxPathFormat WXUNUSED_IN_WINCE(format))
1533     {
1534     #ifdef __WXWINCE__
1535     return wxEmptyString;
1536     #else
1537     wxString sepVol;
1538    
1539     if ( (GetFormat(format) == wxPATH_DOS) ||
1540     (GetFormat(format) == wxPATH_VMS) )
1541     {
1542     sepVol = wxFILE_SEP_DSK;
1543     }
1544     //else: leave empty
1545    
1546     return sepVol;
1547     #endif
1548     }
1549    
1550     /* static */
1551     wxString wxFileName::GetPathSeparators(wxPathFormat format)
1552     {
1553     wxString seps;
1554     switch ( GetFormat(format) )
1555     {
1556     case wxPATH_DOS:
1557     // accept both as native APIs do but put the native one first as
1558     // this is the one we use in GetFullPath()
1559     seps << wxFILE_SEP_PATH_DOS << wxFILE_SEP_PATH_UNIX;
1560     break;
1561    
1562     default:
1563     wxFAIL_MSG( _T("Unknown wxPATH_XXX style") );
1564     // fall through
1565    
1566     case wxPATH_UNIX:
1567     seps = wxFILE_SEP_PATH_UNIX;
1568     break;
1569    
1570     case wxPATH_MAC:
1571     seps = wxFILE_SEP_PATH_MAC;
1572     break;
1573    
1574     case wxPATH_VMS:
1575     seps = wxFILE_SEP_PATH_VMS;
1576     break;
1577     }
1578    
1579     return seps;
1580     }
1581    
1582     /* static */
1583     wxString wxFileName::GetPathTerminators(wxPathFormat format)
1584     {
1585     format = GetFormat(format);
1586    
1587     // under VMS the end of the path is ']', not the path separator used to
1588     // separate the components
1589     return format == wxPATH_VMS ? wxString(_T(']')) : GetPathSeparators(format);
1590     }
1591    
1592     /* static */
1593     bool wxFileName::IsPathSeparator(wxChar ch, wxPathFormat format)
1594     {
1595     // wxString::Find() doesn't work as expected with NUL - it will always find
1596     // it, so test for it separately
1597     return ch != _T('\0') && GetPathSeparators(format).Find(ch) != wxNOT_FOUND;
1598     }
1599    
1600     // ----------------------------------------------------------------------------
1601     // path components manipulation
1602     // ----------------------------------------------------------------------------
1603    
1604     /* static */ bool wxFileName::IsValidDirComponent(const wxString& dir)
1605     {
1606     if ( dir.empty() )
1607     {
1608     wxFAIL_MSG( _T("empty directory passed to wxFileName::InsertDir()") );
1609    
1610     return false;
1611     }
1612    
1613     const size_t len = dir.length();
1614     for ( size_t n = 0; n < len; n++ )
1615     {
1616     if ( dir[n] == GetVolumeSeparator() || IsPathSeparator(dir[n]) )
1617     {
1618     wxFAIL_MSG( _T("invalid directory component in wxFileName") );
1619    
1620     return false;
1621     }
1622     }
1623    
1624     return true;
1625     }
1626    
1627     void wxFileName::AppendDir( const wxString& dir )
1628     {
1629     if ( IsValidDirComponent(dir) )
1630     m_dirs.Add( dir );
1631     }
1632    
1633     void wxFileName::PrependDir( const wxString& dir )
1634     {
1635     InsertDir(0, dir);
1636     }
1637    
1638     void wxFileName::InsertDir(size_t before, const wxString& dir)
1639     {
1640     if ( IsValidDirComponent(dir) )
1641     m_dirs.Insert(dir, before);
1642     }
1643    
1644     void wxFileName::RemoveDir(size_t pos)
1645     {
1646     m_dirs.RemoveAt(pos);
1647     }
1648    
1649     // ----------------------------------------------------------------------------
1650     // accessors
1651     // ----------------------------------------------------------------------------
1652    
1653     void wxFileName::SetFullName(const wxString& fullname)
1654     {
1655     SplitPath(fullname, NULL /* no volume */, NULL /* no path */,
1656     &m_name, &m_ext, &m_hasExt);
1657     }
1658    
1659     wxString wxFileName::GetFullName() const
1660     {
1661     wxString fullname = m_name;
1662     if ( m_hasExt )
1663     {
1664     fullname << wxFILE_SEP_EXT << m_ext;
1665     }
1666    
1667     return fullname;
1668     }
1669    
1670     wxString wxFileName::GetPath( int flags, wxPathFormat format ) const
1671     {
1672     format = GetFormat( format );
1673    
1674     wxString fullpath;
1675    
1676     // return the volume with the path as well if requested
1677     if ( flags & wxPATH_GET_VOLUME )
1678     {
1679     fullpath += wxGetVolumeString(GetVolume(), format);
1680     }
1681    
1682     // the leading character
1683     switch ( format )
1684     {
1685     case wxPATH_MAC:
1686     if ( m_relative )
1687     fullpath += wxFILE_SEP_PATH_MAC;
1688     break;
1689    
1690     case wxPATH_DOS:
1691     if ( !m_relative )
1692     fullpath += wxFILE_SEP_PATH_DOS;
1693     break;
1694    
1695     default:
1696     wxFAIL_MSG( wxT("Unknown path format") );
1697     // fall through
1698    
1699     case wxPATH_UNIX:
1700     if ( !m_relative )
1701     {
1702     // normally the absolute file names start with a slash
1703     // with one exception: the ones like "~/foo.bar" don't
1704     // have it
1705     if ( m_dirs.IsEmpty() || m_dirs[0u] != _T('~') )
1706     {
1707     fullpath += wxFILE_SEP_PATH_UNIX;
1708     }
1709     }
1710     break;
1711    
1712     case wxPATH_VMS:
1713     // no leading character here but use this place to unset
1714     // wxPATH_GET_SEPARATOR flag: under VMS it doesn't make sense
1715     // as, if I understand correctly, there should never be a dot
1716     // before the closing bracket
1717     flags &= ~wxPATH_GET_SEPARATOR;
1718     }
1719    
1720     if ( m_dirs.empty() )
1721     {
1722     // there is nothing more
1723     return fullpath;
1724     }
1725    
1726     // then concatenate all the path components using the path separator
1727     if ( format == wxPATH_VMS )
1728     {
1729     fullpath += wxT('[');
1730     }
1731    
1732     const size_t dirCount = m_dirs.GetCount();
1733     for ( size_t i = 0; i < dirCount; i++ )
1734     {
1735     switch (format)
1736     {
1737     case wxPATH_MAC:
1738     if ( m_dirs[i] == wxT(".") )
1739     {
1740     // skip appending ':', this shouldn't be done in this
1741     // case as "::" is interpreted as ".." under Unix
1742     continue;
1743     }
1744    
1745     // convert back from ".." to nothing
1746     if ( !m_dirs[i].IsSameAs(wxT("..")) )
1747     fullpath += m_dirs[i];
1748     break;
1749    
1750     default:
1751     wxFAIL_MSG( wxT("Unexpected path format") );
1752     // still fall through
1753    
1754     case wxPATH_DOS:
1755     case wxPATH_UNIX:
1756     fullpath += m_dirs[i];
1757     break;
1758    
1759     case wxPATH_VMS:
1760     // TODO: What to do with ".." under VMS
1761    
1762     // convert back from ".." to nothing
1763     if ( !m_dirs[i].IsSameAs(wxT("..")) )
1764     fullpath += m_dirs[i];
1765     break;
1766     }
1767    
1768     if ( (flags & wxPATH_GET_SEPARATOR) || (i != dirCount - 1) )
1769     fullpath += GetPathSeparator(format);
1770     }
1771    
1772     if ( format == wxPATH_VMS )
1773     {
1774     fullpath += wxT(']');
1775     }
1776    
1777     return fullpath;
1778     }
1779    
1780     wxString wxFileName::GetFullPath( wxPathFormat format ) const
1781     {
1782     // we already have a function to get the path
1783     wxString fullpath = GetPath(wxPATH_GET_VOLUME | wxPATH_GET_SEPARATOR,
1784     format);
1785    
1786     // now just add the file name and extension to it
1787     fullpath += GetFullName();
1788    
1789     return fullpath;
1790     }
1791    
1792     // Return the short form of the path (returns identity on non-Windows platforms)
1793     wxString wxFileName::GetShortPath() const
1794     {
1795     wxString path(GetFullPath());
1796    
1797     #if defined(__WXMSW__) && defined(__WIN32__) && !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
1798     DWORD sz = ::GetShortPathName(path, NULL, 0);
1799     if ( sz != 0 )
1800     {
1801     wxString pathOut;
1802     if ( ::GetShortPathName
1803     (
1804     path,
1805     wxStringBuffer(pathOut, sz),
1806     sz
1807     ) != 0 )
1808     {
1809     return pathOut;
1810     }
1811     }
1812     #endif // Windows
1813    
1814     return path;
1815     }
1816    
1817     // Return the long form of the path (returns identity on non-Windows platforms)
1818     wxString wxFileName::GetLongPath() const
1819     {
1820     wxString pathOut,
1821     path = GetFullPath();
1822    
1823     #if defined(__WIN32__) && !defined(__WXWINCE__) && !defined(__WXMICROWIN__)
1824    
1825     #if wxUSE_DYNLIB_CLASS
1826     typedef DWORD (WINAPI *GET_LONG_PATH_NAME)(const wxChar *, wxChar *, DWORD);
1827    
1828     // this is MT-safe as in the worst case we're going to resolve the function
1829     // twice -- but as the result is the same in both threads, it's ok
1830     static GET_LONG_PATH_NAME s_pfnGetLongPathName = NULL;
1831     if ( !s_pfnGetLongPathName )
1832     {
1833     static bool s_triedToLoad = false;
1834    
1835     if ( !s_triedToLoad )
1836     {
1837     s_triedToLoad = true;
1838    
1839     wxDynamicLibrary dllKernel(_T("kernel32"));
1840    
1841     const wxChar* GetLongPathName = _T("GetLongPathName")
1842     #if wxUSE_UNICODE
1843     _T("W");
1844     #else // ANSI
1845     _T("A");
1846     #endif // Unicode/ANSI
1847    
1848     if ( dllKernel.HasSymbol(GetLongPathName) )
1849     {
1850     s_pfnGetLongPathName = (GET_LONG_PATH_NAME)
1851     dllKernel.GetSymbol(GetLongPathName);
1852     }
1853    
1854     // note that kernel32.dll can be unloaded, it stays in memory
1855     // anyhow as all Win32 programs link to it and so it's safe to call
1856     // GetLongPathName() even after unloading it
1857     }
1858     }
1859    
1860     if ( s_pfnGetLongPathName )
1861     {
1862     DWORD dwSize = (*s_pfnGetLongPathName)(path, NULL, 0);
1863     if ( dwSize > 0 )
1864     {
1865     if ( (*s_pfnGetLongPathName)
1866     (
1867     path,
1868     wxStringBuffer(pathOut, dwSize),
1869     dwSize
1870     ) != 0 )
1871     {
1872     return pathOut;
1873     }
1874     }
1875     }
1876     #endif // wxUSE_DYNLIB_CLASS
1877    
1878     // The OS didn't support GetLongPathName, or some other error.
1879     // We need to call FindFirstFile on each component in turn.
1880    
1881     WIN32_FIND_DATA findFileData;
1882     HANDLE hFind;
1883    
1884     if ( HasVolume() )
1885     pathOut = GetVolume() +
1886     GetVolumeSeparator(wxPATH_DOS) +
1887     GetPathSeparator(wxPATH_DOS);
1888     else
1889     pathOut = wxEmptyString;
1890    
1891     wxArrayString dirs = GetDirs();
1892     dirs.Add(GetFullName());
1893    
1894     wxString tmpPath;
1895    
1896     size_t count = dirs.GetCount();
1897     for ( size_t i = 0; i < count; i++ )
1898     {
1899     // We're using pathOut to collect the long-name path, but using a
1900     // temporary for appending the last path component which may be
1901     // short-name
1902     tmpPath = pathOut + dirs[i];
1903    
1904     if ( tmpPath.empty() )
1905     continue;
1906    
1907     // can't see this being necessary? MF
1908     if ( tmpPath.Last() == GetVolumeSeparator(wxPATH_DOS) )
1909     {
1910     // Can't pass a drive and root dir to FindFirstFile,
1911     // so continue to next dir
1912     tmpPath += wxFILE_SEP_PATH;
1913     pathOut = tmpPath;
1914     continue;
1915     }
1916    
1917     hFind = ::FindFirstFile(tmpPath, &findFileData);
1918     if (hFind == INVALID_HANDLE_VALUE)
1919     {
1920     // Error: most likely reason is that path doesn't exist, so
1921     // append any unprocessed parts and return
1922     for ( i += 1; i < count; i++ )
1923     tmpPath += wxFILE_SEP_PATH + dirs[i];
1924    
1925     return tmpPath;
1926     }
1927    
1928     pathOut += findFileData.cFileName;
1929     if ( (i < (count-1)) )
1930     pathOut += wxFILE_SEP_PATH;
1931    
1932     ::FindClose(hFind);
1933     }
1934     #else // !Win32
1935     pathOut = path;
1936     #endif // Win32/!Win32
1937    
1938     return pathOut;
1939     }
1940    
1941     wxPathFormat wxFileName::GetFormat( wxPathFormat format )
1942     {
1943     if (format == wxPATH_NATIVE)
1944     {
1945     #if defined(__WXMSW__) || defined(__OS2__) || defined(__DOS__)
1946     format = wxPATH_DOS;
1947     #elif defined(__WXMAC__) && !defined(__DARWIN__)
1948     format = wxPATH_MAC;
1949     #elif defined(__VMS)
1950     format = wxPATH_VMS;
1951     #else
1952     format = wxPATH_UNIX;
1953     #endif
1954     }
1955     return format;
1956     }
1957    
1958     // ----------------------------------------------------------------------------
1959     // path splitting function
1960     // ----------------------------------------------------------------------------
1961    
1962     /* static */
1963     void
1964     wxFileName::SplitVolume(const wxString& fullpathWithVolume,
1965     wxString *pstrVolume,
1966     wxString *pstrPath,
1967     wxPathFormat format)
1968     {
1969     format = GetFormat(format);
1970    
1971     wxString fullpath = fullpathWithVolume;
1972    
1973     // special Windows UNC paths hack: transform \\share\path into share:path
1974     if ( IsUNCPath(fullpath, format) )
1975     {
1976     fullpath.erase(0, 2);
1977    
1978     size_t posFirstSlash =
1979     fullpath.find_first_of(GetPathTerminators(format));
1980     if ( posFirstSlash != wxString::npos )
1981     {
1982     fullpath[posFirstSlash] = wxFILE_SEP_DSK;
1983    
1984     // UNC paths are always absolute, right? (FIXME)
1985     fullpath.insert(posFirstSlash + 1, 1, wxFILE_SEP_PATH_DOS);
1986     }
1987     }
1988    
1989     // We separate the volume here
1990     if ( format == wxPATH_DOS || format == wxPATH_VMS )
1991     {
1992     wxString sepVol = GetVolumeSeparator(format);
1993    
1994     size_t posFirstColon = fullpath.find_first_of(sepVol);
1995     if ( posFirstColon != wxString::npos )
1996     {
1997     if ( pstrVolume )
1998     {
1999     *pstrVolume = fullpath.Left(posFirstColon);
2000     }
2001    
2002     // remove the volume name and the separator from the full path
2003     fullpath.erase(0, posFirstColon + sepVol.length());
2004     }
2005     }
2006    
2007     if ( pstrPath )
2008     *pstrPath = fullpath;
2009     }
2010    
2011     /* static */
2012     void wxFileName::SplitPath(const wxString& fullpathWithVolume,
2013     wxString *pstrVolume,
2014     wxString *pstrPath,
2015     wxString *pstrName,
2016     wxString *pstrExt,
2017     bool *hasExt,
2018     wxPathFormat format)
2019     {
2020     format = GetFormat(format);
2021    
2022     wxString fullpath;
2023     SplitVolume(fullpathWithVolume, pstrVolume, &fullpath, format);
2024    
2025     // find the positions of the last dot and last path separator in the path
2026     size_t posLastDot = fullpath.find_last_of(wxFILE_SEP_EXT);
2027     size_t posLastSlash = fullpath.find_last_of(GetPathTerminators(format));
2028    
2029     // check whether this dot occurs at the very beginning of a path component
2030     if ( (posLastDot != wxString::npos) &&
2031     (posLastDot == 0 ||
2032     IsPathSeparator(fullpath[posLastDot - 1]) ||
2033     (format == wxPATH_VMS && fullpath[posLastDot - 1] == _T(']'))) )
2034     {
2035     // dot may be (and commonly -- at least under Unix -- is) the first
2036     // character of the filename, don't treat the entire filename as
2037     // extension in this case
2038     posLastDot = wxString::npos;
2039     }
2040    
2041     // if we do have a dot and a slash, check that the dot is in the name part
2042     if ( (posLastDot != wxString::npos) &&
2043     (posLastSlash != wxString::npos) &&
2044     (posLastDot < posLastSlash) )
2045     {
2046     // the dot is part of the path, not the start of the extension
2047     posLastDot = wxString::npos;
2048     }
2049    
2050     // now fill in the variables provided by user
2051     if ( pstrPath )
2052     {
2053     if ( posLastSlash == wxString::npos )
2054     {
2055     // no path at all
2056     pstrPath->Empty();
2057     }
2058     else
2059     {
2060     // take everything up to the path separator but take care to make
2061     // the path equal to something like '/', not empty, for the files
2062     // immediately under root directory
2063     size_t len = posLastSlash;
2064    
2065     // this rule does not apply to mac since we do not start with colons (sep)
2066     // except for relative paths
2067     if ( !len && format != wxPATH_MAC)
2068     len++;
2069    
2070     *pstrPath = fullpath.Left(len);
2071    
2072     // special VMS hack: remove the initial bracket
2073     if ( format == wxPATH_VMS )
2074     {
2075     if ( (*pstrPath)[0u] == _T('[') )
2076     pstrPath->erase(0, 1);
2077     }
2078     }
2079     }
2080    
2081     if ( pstrName )
2082     {
2083     // take all characters starting from the one after the last slash and
2084     // up to, but excluding, the last dot
2085     size_t nStart = posLastSlash == wxString::npos ? 0 : posLastSlash + 1;
2086     size_t count;
2087     if ( posLastDot == wxString::npos )
2088     {
2089     // take all until the end
2090     count = wxString::npos;
2091     }
2092     else if ( posLastSlash == wxString::npos )
2093     {
2094     count = posLastDot;
2095     }
2096     else // have both dot and slash
2097     {
2098     count = posLastDot - posLastSlash - 1;
2099     }
2100    
2101     *pstrName = fullpath.Mid(nStart, count);
2102     }
2103    
2104     // finally deal with the extension here: we have an added complication that
2105     // extension may be empty (but present) as in "foo." where trailing dot
2106     // indicates the empty extension at the end -- and hence we must remember
2107     // that we have it independently of pstrExt
2108     if ( posLastDot == wxString::npos )
2109     {
2110     // no extension
2111     if ( pstrExt )
2112     pstrExt->clear();
2113     if ( hasExt )
2114     *hasExt = false;
2115     }
2116     else
2117     {
2118     // take everything after the dot
2119     if ( pstrExt )
2120     *pstrExt = fullpath.Mid(posLastDot + 1);
2121     if ( hasExt )
2122     *hasExt = true;
2123     }
2124     }
2125    
2126     /* static */
2127     void wxFileName::SplitPath(const wxString& fullpath,
2128     wxString *path,
2129     wxString *name,
2130     wxString *ext,
2131     wxPathFormat format)
2132     {
2133     wxString volume;
2134     SplitPath(fullpath, &volume, path, name, ext, format);
2135    
2136     if ( path )
2137     {
2138     path->Prepend(wxGetVolumeString(volume, format));
2139     }
2140     }
2141    
2142     // ----------------------------------------------------------------------------
2143     // time functions
2144     // ----------------------------------------------------------------------------
2145    
2146     #if wxUSE_DATETIME
2147    
2148     bool wxFileName::SetTimes(const wxDateTime *dtAccess,
2149     const wxDateTime *dtMod,
2150     const wxDateTime *dtCreate)
2151     {
2152     #if defined(__WIN32__)
2153     if ( IsDir() )
2154     {
2155     // VZ: please let me know how to do this if you can
2156     wxFAIL_MSG( _T("SetTimes() not implemented for the directories") );
2157     }
2158     else // file
2159     {
2160     wxFileHandle fh(GetFullPath(), wxFileHandle::Write);
2161     if ( fh.IsOk() )
2162     {
2163     FILETIME ftAccess, ftCreate, ftWrite;
2164    
2165     if ( dtCreate )
2166     ConvertWxToFileTime(&ftCreate, *dtCreate);
2167     if ( dtAccess )
2168     ConvertWxToFileTime(&ftAccess, *dtAccess);
2169     if ( dtMod )
2170     ConvertWxToFileTime(&ftWrite, *dtMod);
2171    
2172     if ( ::SetFileTime(fh,
2173     dtCreate ? &ftCreate : NULL,
2174     dtAccess ? &ftAccess : NULL,
2175     dtMod ? &ftWrite : NULL) )
2176     {
2177     return true;
2178     }
2179     }
2180     }
2181     #elif defined(__UNIX_LIKE__) || (defined(__DOS__) && defined(__WATCOMC__))
2182     wxUnusedVar(dtCreate);
2183    
2184     if ( !dtAccess && !dtMod )
2185     {
2186     // can't modify the creation time anyhow, don't try
2187     return true;
2188     }
2189    
2190     // if dtAccess or dtMod is not specified, use the other one (which must be
2191     // non NULL because of the test above) for both times
2192     utimbuf utm;
2193     utm.actime = dtAccess ? dtAccess->GetTicks() : dtMod->GetTicks();
2194     utm.modtime = dtMod ? dtMod->GetTicks() : dtAccess->GetTicks();
2195     if ( utime(GetFullPath().fn_str(), &utm) == 0 )
2196     {
2197     return true;
2198     }
2199     #else // other platform
2200     wxUnusedVar(dtAccess);
2201     wxUnusedVar(dtMod);
2202     wxUnusedVar(dtCreate);
2203     #endif // platforms
2204    
2205     wxLogSysError(_("Failed to modify file times for '%s'"),
2206     GetFullPath().c_str());
2207    
2208     return false;
2209     }
2210    
2211     bool wxFileName::Touch()
2212     {
2213     #if defined(__UNIX_LIKE__)
2214     // under Unix touching file is simple: just pass NULL to utime()
2215     if ( utime(GetFullPath().fn_str(), NULL) == 0 )
2216     {
2217     return true;
2218     }
2219    
2220     wxLogSysError(_("Failed to touch the file '%s'"), GetFullPath().c_str());
2221    
2222     return false;
2223     #else // other platform
2224     wxDateTime dtNow = wxDateTime::Now();
2225    
2226     return SetTimes(&dtNow, &dtNow, NULL /* don't change create time */);
2227     #endif // platforms
2228     }
2229    
2230     #ifdef wxNEED_WX_UNISTD_H
2231    
2232     static int wxStat( const char *file_name, wxStructStat *buf )
2233     {
2234     return stat( file_name , buf );
2235     }
2236    
2237     #endif
2238    
2239     bool wxFileName::GetTimes(wxDateTime *dtAccess,
2240     wxDateTime *dtMod,
2241     wxDateTime *dtCreate) const
2242     {
2243     #if defined(__WIN32__)
2244     // we must use different methods for the files and directories under
2245     // Windows as CreateFile(GENERIC_READ) doesn't work for the directories and
2246     // CreateFile(FILE_FLAG_BACKUP_SEMANTICS) works -- but only under NT and
2247     // not 9x
2248     bool ok;
2249     FILETIME ftAccess, ftCreate, ftWrite;
2250     if ( IsDir() )
2251     {
2252     // implemented in msw/dir.cpp
2253     extern bool wxGetDirectoryTimes(const wxString& dirname,
2254     FILETIME *, FILETIME *, FILETIME *);
2255    
2256     // we should pass the path without the trailing separator to
2257     // wxGetDirectoryTimes()
2258     ok = wxGetDirectoryTimes(GetPath(wxPATH_GET_VOLUME),
2259     &ftAccess, &ftCreate, &ftWrite);
2260     }
2261     else // file
2262     {
2263     wxFileHandle fh(GetFullPath(), wxFileHandle::Read);
2264     if ( fh.IsOk() )
2265     {
2266     ok = ::GetFileTime(fh,
2267     dtCreate ? &ftCreate : NULL,
2268     dtAccess ? &ftAccess : NULL,
2269     dtMod ? &ftWrite : NULL) != 0;
2270     }
2271     else
2272     {
2273     ok = false;
2274     }
2275     }
2276    
2277     if ( ok )
2278     {
2279     if ( dtCreate )
2280     ConvertFileTimeToWx(dtCreate, ftCreate);
2281     if ( dtAccess )
2282     ConvertFileTimeToWx(dtAccess, ftAccess);
2283     if ( dtMod )
2284     ConvertFileTimeToWx(dtMod, ftWrite);
2285    
2286     return true;
2287     }
2288     #elif defined(__UNIX_LIKE__) || defined(__WXMAC__) || defined(__OS2__) || (defined(__DOS__) && defined(__WATCOMC__))
2289     // no need to test for IsDir() here
2290     wxStructStat stBuf;
2291     if ( wxStat( GetFullPath().fn_str(), &stBuf) == 0 )
2292     {
2293     if ( dtAccess )
2294     dtAccess->Set(stBuf.st_atime);
2295     if ( dtMod )
2296     dtMod->Set(stBuf.st_mtime);
2297     if ( dtCreate )
2298     dtCreate->Set(stBuf.st_ctime);
2299    
2300     return true;
2301     }
2302     #else // other platform
2303     wxUnusedVar(dtAccess);
2304     wxUnusedVar(dtMod);
2305     wxUnusedVar(dtCreate);
2306     #endif // platforms
2307    
2308     wxLogSysError(_("Failed to retrieve file times for '%s'"),
2309     GetFullPath().c_str());
2310    
2311     return false;
2312     }
2313    
2314     #endif // wxUSE_DATETIME
2315    
2316    
2317     // ----------------------------------------------------------------------------
2318     // file size functions
2319     // ----------------------------------------------------------------------------
2320    
2321     /* static */
2322     wxULongLong wxFileName::GetSize(const wxString &filename)
2323     {
2324     if (!wxFileExists(filename))
2325     return wxInvalidSize;
2326    
2327     #if defined(__WXPALMOS__)
2328     // TODO
2329     return wxInvalidSize;
2330     #elif defined(__WIN32__)
2331     wxFileHandle f(filename, wxFileHandle::Read);
2332     if (!f.IsOk())
2333     return wxInvalidSize;
2334    
2335     DWORD lpFileSizeHigh;
2336     DWORD ret = GetFileSize(f, &lpFileSizeHigh);
2337     if ( ret == INVALID_FILE_SIZE && ::GetLastError() != NO_ERROR )
2338     return wxInvalidSize;
2339    
2340     return wxULongLong(lpFileSizeHigh, ret);
2341     #else // ! __WIN32__
2342     wxStructStat st;
2343     #ifndef wxNEED_WX_UNISTD_H
2344     if (wxStat( filename.fn_str() , &st) != 0)
2345     #else
2346     if (wxStat( filename, &st) != 0)
2347     #endif
2348     return wxInvalidSize;
2349     return wxULongLong(st.st_size);
2350     #endif
2351     }
2352    
2353     /* static */
2354     wxString wxFileName::GetHumanReadableSize(const wxULongLong &bs,
2355     const wxString &nullsize,
2356     int precision)
2357     {
2358     static const double KILOBYTESIZE = 1024.0;
2359     static const double MEGABYTESIZE = 1024.0*KILOBYTESIZE;
2360     static const double GIGABYTESIZE = 1024.0*MEGABYTESIZE;
2361     static const double TERABYTESIZE = 1024.0*GIGABYTESIZE;
2362    
2363     if (bs == 0 || bs == wxInvalidSize)
2364     return nullsize;
2365    
2366     double bytesize = bs.ToDouble();
2367     if (bytesize < KILOBYTESIZE)
2368     return wxString::Format(_("%s B"), bs.ToString().c_str());
2369     if (bytesize < MEGABYTESIZE)
2370     return wxString::Format(_("%.*f kB"), precision, bytesize/KILOBYTESIZE);
2371     if (bytesize < GIGABYTESIZE)
2372     return wxString::Format(_("%.*f MB"), precision, bytesize/MEGABYTESIZE);
2373     if (bytesize < TERABYTESIZE)
2374     return wxString::Format(_("%.*f GB"), precision, bytesize/GIGABYTESIZE);
2375    
2376     return wxString::Format(_("%.*f TB"), precision, bytesize/TERABYTESIZE);
2377     }
2378    
2379     wxULongLong wxFileName::GetSize() const
2380     {
2381     return GetSize(GetFullPath());
2382     }
2383    
2384     wxString wxFileName::GetHumanReadableSize(const wxString &failmsg, int precision) const
2385     {
2386     return GetHumanReadableSize(GetSize(), failmsg, precision);
2387     }
2388    
2389    
2390     // ----------------------------------------------------------------------------
2391     // Mac-specific functions
2392     // ----------------------------------------------------------------------------
2393    
2394     #ifdef __WXMAC__
2395    
2396     const short kMacExtensionMaxLength = 16 ;
2397     class MacDefaultExtensionRecord
2398     {
2399     public :
2400     MacDefaultExtensionRecord()
2401     {
2402     m_ext[0] = 0 ;
2403     m_type = m_creator = 0 ;
2404     }
2405     MacDefaultExtensionRecord( const MacDefaultExtensionRecord& from )
2406     {
2407     wxStrcpy( m_ext , from.m_ext ) ;
2408     m_type = from.m_type ;
2409     m_creator = from.m_creator ;
2410     }
2411     MacDefaultExtensionRecord( const wxChar * extension , OSType type , OSType creator )
2412     {
2413     wxStrncpy( m_ext , extension , kMacExtensionMaxLength ) ;
2414     m_ext[kMacExtensionMaxLength] = 0 ;
2415     m_type = type ;
2416     m_creator = creator ;
2417     }
2418     wxChar m_ext[kMacExtensionMaxLength] ;
2419     OSType m_type ;
2420     OSType m_creator ;
2421     } ;
2422    
2423     WX_DECLARE_OBJARRAY(MacDefaultExtensionRecord, MacDefaultExtensionArray) ;
2424    
2425     bool gMacDefaultExtensionsInited = false ;
2426    
2427     #include "wx/arrimpl.cpp"
2428    
2429     WX_DEFINE_EXPORTED_OBJARRAY(MacDefaultExtensionArray) ;
2430    
2431     MacDefaultExtensionArray gMacDefaultExtensions ;
2432    
2433     // load the default extensions
2434     MacDefaultExtensionRecord gDefaults[] =
2435     {
2436     MacDefaultExtensionRecord( wxT("txt") , 'TEXT' , 'ttxt' ) ,
2437     MacDefaultExtensionRecord( wxT("tif") , 'TIFF' , '****' ) ,
2438     MacDefaultExtensionRecord( wxT("jpg") , 'JPEG' , '****' ) ,
2439     } ;
2440    
2441     static void MacEnsureDefaultExtensionsLoaded()
2442     {
2443     if ( !gMacDefaultExtensionsInited )
2444     {
2445     // we could load the pc exchange prefs here too
2446     for ( size_t i = 0 ; i < WXSIZEOF( gDefaults ) ; ++i )
2447     {
2448     gMacDefaultExtensions.Add( gDefaults[i] ) ;
2449     }
2450     gMacDefaultExtensionsInited = true ;
2451     }
2452     }
2453    
2454     bool wxFileName::MacSetTypeAndCreator( wxUint32 type , wxUint32 creator )
2455     {
2456     FSRef fsRef ;
2457     FSCatalogInfo catInfo;
2458     FileInfo *finfo ;
2459    
2460     if ( wxMacPathToFSRef( GetFullPath() , &fsRef ) == noErr )
2461     {
2462     if ( FSGetCatalogInfo (&fsRef, kFSCatInfoFinderInfo, &catInfo, NULL, NULL, NULL) == noErr )
2463     {
2464     finfo = (FileInfo*)&catInfo.finderInfo;
2465     finfo->fileType = type ;
2466     finfo->fileCreator = creator ;
2467     FSSetCatalogInfo( &fsRef, kFSCatInfoFinderInfo, &catInfo ) ;
2468     return true ;
2469     }
2470     }
2471     return false ;
2472     }
2473    
2474     bool wxFileName::MacGetTypeAndCreator( wxUint32 *type , wxUint32 *creator )
2475     {
2476     FSRef fsRef ;
2477     FSCatalogInfo catInfo;
2478     FileInfo *finfo ;
2479    
2480     if ( wxMacPathToFSRef( GetFullPath() , &fsRef ) == noErr )
2481     {
2482     if ( FSGetCatalogInfo (&fsRef, kFSCatInfoFinderInfo, &catInfo, NULL, NULL, NULL) == noErr )
2483     {
2484     finfo = (FileInfo*)&catInfo.finderInfo;
2485     *type = finfo->fileType ;
2486     *creator = finfo->fileCreator ;
2487     return true ;
2488     }
2489     }
2490     return false ;
2491     }
2492    
2493     bool wxFileName::MacSetDefaultTypeAndCreator()
2494     {
2495     wxUint32 type , creator ;
2496     if ( wxFileName::MacFindDefaultTypeAndCreator(GetExt() , &type ,
2497     &creator ) )
2498     {
2499     return MacSetTypeAndCreator( type , creator ) ;
2500     }
2501     return false;
2502     }
2503    
2504     bool wxFileName::MacFindDefaultTypeAndCreator( const wxString& ext , wxUint32 *type , wxUint32 *creator )
2505     {
2506     MacEnsureDefaultExtensionsLoaded() ;
2507     wxString extl = ext.Lower() ;
2508     for( int i = gMacDefaultExtensions.Count() - 1 ; i >= 0 ; --i )
2509     {
2510     if ( gMacDefaultExtensions.Item(i).m_ext == extl )
2511     {
2512     *type = gMacDefaultExtensions.Item(i).m_type ;
2513     *creator = gMacDefaultExtensions.Item(i).m_creator ;
2514     return true ;
2515     }
2516     }
2517     return false ;
2518     }
2519    
2520     void wxFileName::MacRegisterDefaultTypeAndCreator( const wxString& ext , wxUint32 type , wxUint32 creator )
2521     {
2522     MacEnsureDefaultExtensionsLoaded() ;
2523     MacDefaultExtensionRecord rec ;
2524     rec.m_type = type ;
2525     rec.m_creator = creator ;
2526     wxStrncpy( rec.m_ext , ext.Lower().c_str() , kMacExtensionMaxLength ) ;
2527     gMacDefaultExtensions.Add( rec ) ;
2528     }
2529     #endif

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