src/common/filename.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   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:      $Id$
   8 // Copyright:   (c) 2000 Robert Roebling
   9 // Licence:     wxWindows license
  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 specyfication
  51                  . separator between directory and subdirectory
  52                  ] between directory and file
  53  */
  54
  55 // ============================================================================
  56 // declarations
  57 // ============================================================================
  58
  59 // ----------------------------------------------------------------------------
  60 // headers
  61 // ----------------------------------------------------------------------------
  62
  63 #ifdef __GNUG__
  64 #pragma implementation "filename.h"
  65 #endif
  66
  67 // For compilers that support precompilation, includes "wx.h".
  68 #include "wx/wxprec.h"
  69
  70 #ifdef __BORLANDC__
  71 #pragma hdrstop
  72 #endif
  73
  74 #ifndef WX_PRECOMP
  75 #include "wx/intl.h"
  76 #include "wx/log.h"
  77 #include "wx/file.h"
  78 #endif
  79
  80 #include "wx/filename.h"
  81 #include "wx/tokenzr.h"
  82 #include "wx/config.h"          // for wxExpandEnvVars
  83 #include "wx/utils.h"
  84 #include "wx/file.h"
  85 #include "wx/dynlib.h"
  86
  87 // For GetShort/LongPathName
  88 #ifdef __WIN32__
  89 #include <windows.h>
  90 #include "wx/msw/winundef.h"
  91 #endif
  92
  93 #if defined(__WXMAC__)
  94   #include  "wx/mac/private.h"  // includes mac headers
  95 #endif
  96
  97 // utime() is POSIX so should normally be available on all Unices
  98 #ifdef __UNIX_LIKE__
  99 #include <sys/types.h>
 100 #include <utime.h>
 101 #include <sys/stat.h>
 102 #include <unistd.h>
 103 #endif
 104
 105 #ifdef __DJGPP__
 106 #include <unistd.h>
 107 #endif
 108
 109 #ifdef __MWERKS__
 110 #include <stat.h>
 111 #include <unistd.h>
 112 #include <unix.h>
 113 #endif
 114
 115 #ifdef __WATCOMC__
 116 #include <io.h>
 117 #include <sys/utime.h>
 118 #include <sys/stat.h>
 119 #endif
 120
 121 #ifdef __VISAGECPP__
 122 #ifndef MAX_PATH
 123 #define MAX_PATH 256
 124 #endif
 125 #endif
 126
 127 // ----------------------------------------------------------------------------
 128 // private classes
 129 // ----------------------------------------------------------------------------
 130
 131 // small helper class which opens and closes the file - we use it just to get
 132 // a file handle for the given file name to pass it to some Win32 API function
 133 #if defined(__WIN32__) && !defined(__WXMICROWIN__)
 134
 135 class wxFileHandle
 136 {
 137 public:
 138     enum OpenMode
 139     {
 140         Read,
 141         Write
 142     };
 143
 144     wxFileHandle(const wxString& filename, OpenMode mode)
 145     {
 146         m_hFile = ::CreateFile
 147                     (
 148                      filename,                      // name
 149                      mode == Read ? GENERIC_READ    // access mask
 150                                   : GENERIC_WRITE,
 151                      0,                             // no sharing
 152                      NULL,                          // no secutity attr
 153                      OPEN_EXISTING,                 // creation disposition
 154                      0,                             // no flags
 155                      NULL                           // no template file
 156                     );
 157
 158         if ( m_hFile == INVALID_HANDLE_VALUE )
 159         {
 160             wxLogSysError(_("Failed to open '%s' for %s"),
 161                           filename.c_str(),
 162                           mode == Read ? _("reading") : _("writing"));
 163         }
 164     }
 165
 166     ~wxFileHandle()
 167     {
 168         if ( m_hFile != INVALID_HANDLE_VALUE )
 169         {
 170             if ( !::CloseHandle(m_hFile) )
 171             {
 172                 wxLogSysError(_("Failed to close file handle"));
 173             }
 174         }
 175     }
 176
 177     // return TRUE only if the file could be opened successfully
 178     bool IsOk() const { return m_hFile != INVALID_HANDLE_VALUE; }
 179
 180     // get the handle
 181     operator HANDLE() const { return m_hFile; }
 182
 183 private:
 184     HANDLE m_hFile;
 185 };
 186
 187 #endif // __WIN32__
 188
 189 // ----------------------------------------------------------------------------
 190 // private functions
 191 // ----------------------------------------------------------------------------
 192
 193 #if defined(__WIN32__) && !defined(__WXMICROWIN__)
 194
 195 // convert between wxDateTime and FILETIME which is a 64-bit value representing
 196 // the number of 100-nanosecond intervals since January 1, 1601.
 197
 198 static void ConvertFileTimeToWx(wxDateTime *dt, const FILETIME &ft)
 199 {
 200     FILETIME ftcopy = ft;
 201     FILETIME ftLocal;
 202     if ( !::FileTimeToLocalFileTime(&ftcopy, &ftLocal) )
 203     {
 204         wxLogLastError(_T("FileTimeToLocalFileTime"));
 205     }
 206
 207     SYSTEMTIME st;
 208     if ( !::FileTimeToSystemTime(&ftLocal, &st) )
 209     {
 210         wxLogLastError(_T("FileTimeToSystemTime"));
 211     }
 212
 213     dt->Set(st.wDay, wxDateTime::Month(st.wMonth - 1), st.wYear,
 214             st.wHour, st.wMinute, st.wSecond, st.wMilliseconds);
 215 }
 216
 217 static void ConvertWxToFileTime(FILETIME *ft, const wxDateTime& dt)
 218 {
 219     SYSTEMTIME st;
 220     st.wDay = dt.GetDay();
 221     st.wMonth = dt.GetMonth() + 1;
 222     st.wYear = dt.GetYear();
 223     st.wHour = dt.GetHour();
 224     st.wMinute = dt.GetMinute();
 225     st.wSecond = dt.GetSecond();
 226     st.wMilliseconds = dt.GetMillisecond();
 227
 228     FILETIME ftLocal;
 229     if ( !::SystemTimeToFileTime(&st, &ftLocal) )
 230     {
 231         wxLogLastError(_T("SystemTimeToFileTime"));
 232     }
 233
 234     if ( !::LocalFileTimeToFileTime(&ftLocal, ft) )
 235     {
 236         wxLogLastError(_T("LocalFileTimeToFileTime"));
 237     }
 238 }
 239
 240 #endif // __WIN32__
 241
 242 // return a string with the volume par
 243 static wxString wxGetVolumeString(const wxString& volume, wxPathFormat format)
 244 {
 245     wxString path;
 246
 247     if ( !volume.empty() )
 248     {
 249         format = wxFileName::GetFormat(format);
 250
 251         // Special Windows UNC paths hack, part 2: undo what we did in
 252         // SplitPath() and make an UNC path if we have a drive which is not a
 253         // single letter (hopefully the network shares can't be one letter only
 254         // although I didn't find any authoritative docs on this)
 255         if ( format == wxPATH_DOS && volume.length() > 1 )
 256         {
 257             path << wxFILE_SEP_PATH_DOS << wxFILE_SEP_PATH_DOS << volume;
 258         }
 259         else if  ( format == wxPATH_DOS || format == wxPATH_VMS )
 260         {
 261             path << volume << wxFileName::GetVolumeSeparator(format);
 262         }
 263         // else ignore
 264     }
 265
 266     return path;
 267 }
 268
 269 // ============================================================================
 270 // implementation
 271 // ============================================================================
 272
 273 // ----------------------------------------------------------------------------
 274 // wxFileName construction
 275 // ----------------------------------------------------------------------------
 276
 277 void wxFileName::Assign( const wxFileName &filepath )
 278 {
 279     m_volume = filepath.GetVolume();
 280     m_dirs = filepath.GetDirs();
 281     m_name = filepath.GetName();
 282     m_ext = filepath.GetExt();
 283     m_relative = filepath.m_relative;
 284 }
 285
 286 void wxFileName::Assign(const wxString& volume,
 287                         const wxString& path,
 288                         const wxString& name,
 289                         const wxString& ext,
 290                         wxPathFormat format )
 291 {
 292     SetPath( path, format );
 293
 294     m_volume = volume;
 295     m_ext = ext;
 296     m_name = name;
 297 }
 298
 299 void wxFileName::SetPath( const wxString &path, wxPathFormat format )
 300 {
 301     m_dirs.Clear();
 302
 303     if ( !path.empty() )
 304     {
 305         wxPathFormat my_format = GetFormat( format );
 306         wxString my_path = path;
 307
 308         // 1) Determine if the path is relative or absolute.
 309         wxChar leadingChar = my_path[0u];
 310
 311         switch (my_format)
 312         {
 313             case wxPATH_MAC:
 314                 m_relative = leadingChar == wxT(':');
 315
 316                 // We then remove a leading ":". The reason is in our
 317                 // storage form for relative paths:
 318                 // ":dir:file.txt" actually means "./dir/file.txt" in
 319                 // DOS notation and should get stored as
 320                 // (relative) (dir) (file.txt)
 321                 // "::dir:file.txt" actually means "../dir/file.txt"
 322                 // stored as (relative) (..) (dir) (file.txt)
 323                 // This is important only for the Mac as an empty dir
 324                 // actually means <UP>, whereas under DOS, double
 325                 // slashes can be ignored: "\\\\" is the same as "\\".
 326                 if (m_relative)
 327                     my_path.erase( 0, 1 );
 328                 break;
 329
 330             case wxPATH_VMS:
 331                 // TODO: what is the relative path format here?
 332                 m_relative = FALSE;
 333                 break;
 334
 335             case wxPATH_UNIX:
 336                 // the paths of the form "~" or "~username" are absolute
 337                 m_relative = leadingChar != wxT('/') && leadingChar != _T('~');
 338                 break;
 339
 340             case wxPATH_DOS:
 341                 m_relative = !IsPathSeparator(leadingChar, my_format);
 342                 break;
 343
 344             default:
 345                 wxFAIL_MSG( wxT("error") );
 346                 break;
 347         }
 348
 349         // 2) Break up the path into its members. If the original path
 350         //    was just "/" or "\\", m_dirs will be empty. We know from
 351         //    the m_relative field, if this means "nothing" or "root dir".
 352
 353         wxStringTokenizer tn( my_path, GetPathSeparators(my_format) );
 354
 355         while ( tn.HasMoreTokens() )
 356         {
 357             wxString token = tn.GetNextToken();
 358
 359             // Remove empty token under DOS and Unix, interpret them
 360             // as .. under Mac.
 361             if (token.empty())
 362             {
 363                 if (my_format == wxPATH_MAC)
 364                     m_dirs.Add( wxT("..") );
 365                 // else ignore
 366             }
 367             else
 368             {
 369                m_dirs.Add( token );
 370             }
 371         }
 372     }
 373     else // no path at all
 374     {
 375         m_relative = TRUE;
 376     }
 377 }
 378
 379 void wxFileName::Assign(const wxString& fullpath,
 380                         wxPathFormat format)
 381 {
 382     wxString volume, path, name, ext;
 383     SplitPath(fullpath, &volume, &path, &name, &ext, format);
 384
 385     Assign(volume, path, name, ext, format);
 386 }
 387
 388 void wxFileName::Assign(const wxString& fullpathOrig,
 389                         const wxString& fullname,
 390                         wxPathFormat format)
 391 {
 392     // always recognize fullpath as directory, even if it doesn't end with a
 393     // slash
 394     wxString fullpath = fullpathOrig;
 395     if ( !wxEndsWithPathSeparator(fullpath) )
 396     {
 397         fullpath += GetPathSeparator(format);
 398     }
 399
 400     wxString volume, path, name, ext;
 401
 402     // do some consistency checks in debug mode: the name should be really just
 403     // the filename and the path should be really just a path
 404 #ifdef __WXDEBUG__
 405     wxString pathDummy, nameDummy, extDummy;
 406
 407     SplitPath(fullname, &pathDummy, &name, &ext, format);
 408
 409     wxASSERT_MSG( pathDummy.empty(),
 410                   _T("the file name shouldn't contain the path") );
 411
 412     SplitPath(fullpath, &volume, &path, &nameDummy, &extDummy, format);
 413
 414     wxASSERT_MSG( nameDummy.empty() && extDummy.empty(),
 415                   _T("the path shouldn't contain file name nor extension") );
 416
 417 #else // !__WXDEBUG__
 418     SplitPath(fullname, NULL /* no path */, &name, &ext, format);
 419     SplitPath(fullpath, &volume, &path, NULL, NULL, format);
 420 #endif // __WXDEBUG__/!__WXDEBUG__
 421
 422     Assign(volume, path, name, ext, format);
 423 }
 424
 425 void wxFileName::AssignDir(const wxString& dir, wxPathFormat format)
 426 {
 427     Assign(dir, _T(""), format);
 428 }
 429
 430 void wxFileName::Clear()
 431 {
 432     m_dirs.Clear();
 433
 434     m_volume =
 435     m_name =
 436     m_ext = wxEmptyString;
 437
 438     // we don't have any absolute path for now
 439     m_relative = TRUE;
 440 }
 441
 442 /* static */
 443 wxFileName wxFileName::FileName(const wxString& file)
 444 {
 445     return wxFileName(file);
 446 }
 447
 448 /* static */
 449 wxFileName wxFileName::DirName(const wxString& dir)
 450 {
 451     wxFileName fn;
 452     fn.AssignDir(dir);
 453     return fn;
 454 }
 455
 456 // ----------------------------------------------------------------------------
 457 // existence tests
 458 // ----------------------------------------------------------------------------
 459
 460 bool wxFileName::FileExists()
 461 {
 462     return wxFileName::FileExists( GetFullPath() );
 463 }
 464
 465 bool wxFileName::FileExists( const wxString &file )
 466 {
 467     return ::wxFileExists( file );
 468 }
 469
 470 bool wxFileName::DirExists()
 471 {
 472     return wxFileName::DirExists( GetFullPath() );
 473 }
 474
 475 bool wxFileName::DirExists( const wxString &dir )
 476 {
 477     return ::wxDirExists( dir );
 478 }
 479
 480 // ----------------------------------------------------------------------------
 481 // CWD and HOME stuff
 482 // ----------------------------------------------------------------------------
 483
 484 void wxFileName::AssignCwd(const wxString& volume)
 485 {
 486     AssignDir(wxFileName::GetCwd(volume));
 487 }
 488
 489 /* static */
 490 wxString wxFileName::GetCwd(const wxString& volume)
 491 {
 492     // if we have the volume, we must get the current directory on this drive
 493     // and to do this we have to chdir to this volume - at least under Windows,
 494     // I don't know how to get the current drive on another volume elsewhere
 495     // (TODO)
 496     wxString cwdOld;
 497     if ( !volume.empty() )
 498     {
 499         cwdOld = wxGetCwd();
 500         SetCwd(volume + GetVolumeSeparator());
 501     }
 502
 503     wxString cwd = ::wxGetCwd();
 504
 505     if ( !volume.empty() )
 506     {
 507         SetCwd(cwdOld);
 508     }
 509
 510     return cwd;
 511 }
 512
 513 bool wxFileName::SetCwd()
 514 {
 515     return wxFileName::SetCwd( GetFullPath() );
 516 }
 517
 518 bool wxFileName::SetCwd( const wxString &cwd )
 519 {
 520     return ::wxSetWorkingDirectory( cwd );
 521 }
 522
 523 void wxFileName::AssignHomeDir()
 524 {
 525     AssignDir(wxFileName::GetHomeDir());
 526 }
 527
 528 wxString wxFileName::GetHomeDir()
 529 {
 530     return ::wxGetHomeDir();
 531 }
 532
 533 void wxFileName::AssignTempFileName(const wxString& prefix, wxFile *fileTemp)
 534 {
 535     wxString tempname = CreateTempFileName(prefix, fileTemp);
 536     if ( tempname.empty() )
 537     {
 538         // error, failed to get temp file name
 539         Clear();
 540     }
 541     else // ok
 542     {
 543         Assign(tempname);
 544     }
 545 }
 546
 547 /* static */
 548 wxString
 549 wxFileName::CreateTempFileName(const wxString& prefix, wxFile *fileTemp)
 550 {
 551     wxString path, dir, name;
 552
 553     // use the directory specified by the prefix
 554     SplitPath(prefix, &dir, &name, NULL /* extension */);
 555
 556 #if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
 557
 558 #ifdef __WIN32__
 559     if ( dir.empty() )
 560     {
 561         if ( !::GetTempPath(MAX_PATH, wxStringBuffer(dir, MAX_PATH + 1)) )
 562         {
 563             wxLogLastError(_T("GetTempPath"));
 564         }
 565
 566         if ( dir.empty() )
 567         {
 568             // GetTempFileName() fails if we pass it an empty string
 569             dir = _T('.');
 570         }
 571     }
 572     else // we have a dir to create the file in
 573     {
 574         // ensure we use only the back slashes as GetTempFileName(), unlike all
 575         // the other APIs, is picky and doesn't accept the forward ones
 576         dir.Replace(_T("/"), _T("\\"));
 577     }
 578
 579     if ( !::GetTempFileName(dir, name, 0, wxStringBuffer(path, MAX_PATH + 1)) )
 580     {
 581         wxLogLastError(_T("GetTempFileName"));
 582
 583         path.clear();
 584     }
 585 #else // Win16
 586     if ( !::GetTempFileName(NULL, prefix, 0, wxStringBuffer(path, 1025)) )
 587     {
 588         path.clear();
 589     }
 590 #endif // Win32/16
 591
 592 #elif defined(__WXPM__)
 593     // for now just create a file
 594     //
 595     // future enhancements can be to set some extended attributes for file
 596     // systems OS/2 supports that have them (HPFS, FAT32) and security
 597     // (HPFS386)
 598     static const wxChar *szMktempSuffix = wxT("XXX");
 599     path << dir << _T('/') << name << szMktempSuffix;
 600
 601     // Temporarily remove - MN
 602     #ifndef __WATCOMC__
 603         ::DosCreateDir(wxStringBuffer(path, MAX_PATH), NULL);
 604     #endif
 605
 606 #else // !Windows, !OS/2
 607     if ( dir.empty() )
 608     {
 609 #if defined(__WXMAC__) && !defined(__DARWIN__)
 610         dir = wxMacFindFolder(  (short) kOnSystemDisk, kTemporaryFolderType, kCreateFolder ) ;
 611 #else // !Mac
 612         dir = wxGetenv(_T("TMP"));
 613         if ( dir.empty() )
 614         {
 615             dir = wxGetenv(_T("TEMP"));
 616         }
 617
 618         if ( dir.empty() )
 619         {
 620             // default
 621             #ifdef __DOS__
 622                 dir = _T(".");
 623             #else
 624                 dir = _T("/tmp");
 625             #endif
 626         }
 627 #endif // Mac/!Mac
 628     }
 629
 630     path = dir;
 631
 632     if ( !wxEndsWithPathSeparator(dir) &&
 633             (name.empty() || !wxIsPathSeparator(name[0u])) )
 634     {
 635         path += wxFILE_SEP_PATH;
 636     }
 637
 638     path += name;
 639
 640 #if defined(HAVE_MKSTEMP)
 641     // scratch space for mkstemp()
 642     path += _T("XXXXXX");
 643
 644     // we need to copy the path to the buffer in which mkstemp() can modify it
 645     wxCharBuffer buf = wxConvFile.cWX2MB( path );
 646
 647     // cast is safe because the string length doesn't change
 648     int fdTemp = mkstemp( (char*)(const char*) buf );
 649     if ( fdTemp == -1 )
 650     {
 651         // this might be not necessary as mkstemp() on most systems should have
 652         // already done it but it doesn't hurt neither...
 653         path.clear();
 654     }
 655     else // mkstemp() succeeded
 656     {
 657         path = wxConvFile.cMB2WX( (const char*) buf );
 658
 659         // avoid leaking the fd
 660         if ( fileTemp )
 661         {
 662             fileTemp->Attach(fdTemp);
 663         }
 664         else
 665         {
 666             close(fdTemp);
 667         }
 668     }
 669 #else // !HAVE_MKSTEMP
 670
 671 #ifdef HAVE_MKTEMP
 672     // same as above
 673     path += _T("XXXXXX");
 674
 675     wxCharBuffer buf = wxConvFile.cWX2MB( path );
 676     if ( !mktemp( (const char*) buf ) )
 677     {
 678         path.clear();
 679     }
 680     else
 681     {
 682         path = wxConvFile.cMB2WX( (const char*) buf );
 683     }
 684 #else // !HAVE_MKTEMP (includes __DOS__)
 685     // generate the unique file name ourselves
 686     #ifndef __DOS__
 687     path << (unsigned int)getpid();
 688     #endif
 689
 690     wxString pathTry;
 691
 692     static const size_t numTries = 1000;
 693     for ( size_t n = 0; n < numTries; n++ )
 694     {
 695         // 3 hex digits is enough for numTries == 1000 < 4096
 696         pathTry = path + wxString::Format(_T("%.03x"), n);
 697         if ( !wxFile::Exists(pathTry) )
 698         {
 699             break;
 700         }
 701
 702         pathTry.clear();
 703     }
 704
 705     path = pathTry;
 706 #endif // HAVE_MKTEMP/!HAVE_MKTEMP
 707
 708     if ( !path.empty() )
 709     {
 710     }
 711 #endif // HAVE_MKSTEMP/!HAVE_MKSTEMP
 712
 713 #endif // Windows/!Windows
 714
 715     if ( path.empty() )
 716     {
 717         wxLogSysError(_("Failed to create a temporary file name"));
 718     }
 719     else if ( fileTemp && !fileTemp->IsOpened() )
 720     {
 721         // open the file - of course, there is a race condition here, this is
 722         // why we always prefer using mkstemp()...
 723         //
 724         // NB: GetTempFileName() under Windows creates the file, so using
 725         //     write_excl there would fail
 726         if ( !fileTemp->Open(path,
 727 #if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
 728                              wxFile::write,
 729 #else
 730                              wxFile::write_excl,
 731 #endif
 732                              wxS_IRUSR | wxS_IWUSR) )
 733         {
 734             // FIXME: If !ok here should we loop and try again with another
 735             //        file name?  That is the standard recourse if open(O_EXCL)
 736             //        fails, though of course it should be protected against
 737             //        possible infinite looping too.
 738
 739             wxLogError(_("Failed to open temporary file."));
 740
 741             path.clear();
 742         }
 743     }
 744
 745     return path;
 746 }
 747
 748 // ----------------------------------------------------------------------------
 749 // directory operations
 750 // ----------------------------------------------------------------------------
 751
 752 bool wxFileName::Mkdir( int perm, int flags )
 753 {
 754     return wxFileName::Mkdir( GetFullPath(), perm, flags );
 755 }
 756
 757 bool wxFileName::Mkdir( const wxString& dir, int perm, int flags )
 758 {
 759     if ( flags & wxPATH_MKDIR_FULL )
 760     {
 761         // split the path in components
 762         wxFileName filename;
 763         filename.AssignDir(dir);
 764
 765         wxString currPath;
 766         if ( filename.HasVolume())
 767         {
 768             currPath << wxGetVolumeString(filename.GetVolume(), wxPATH_NATIVE);
 769         }
 770
 771         wxArrayString dirs = filename.GetDirs();
 772         size_t count = dirs.GetCount();
 773         for ( size_t i = 0; i < count; i++ )
 774         {
 775             if ( i > 0 || filename.IsAbsolute() )
 776                 currPath += wxFILE_SEP_PATH;
 777             currPath += dirs[i];
 778
 779             if (!DirExists(currPath))
 780             {
 781                 if (!wxMkdir(currPath, perm))
 782                 {
 783                     // no need to try creating further directories
 784                     return FALSE;
 785                 }
 786             }
 787         }
 788
 789         return TRUE;
 790
 791     }
 792
 793     return ::wxMkdir( dir, perm );
 794 }
 795
 796 bool wxFileName::Rmdir()
 797 {
 798     return wxFileName::Rmdir( GetFullPath() );
 799 }
 800
 801 bool wxFileName::Rmdir( const wxString &dir )
 802 {
 803     return ::wxRmdir( dir );
 804 }
 805
 806 // ----------------------------------------------------------------------------
 807 // path normalization
 808 // ----------------------------------------------------------------------------
 809
 810 bool wxFileName::Normalize(int flags,
 811                            const wxString& cwd,
 812                            wxPathFormat format)
 813 {
 814     // the existing path components
 815     wxArrayString dirs = GetDirs();
 816
 817     // the path to prepend in front to make the path absolute
 818     wxFileName curDir;
 819
 820     format = GetFormat(format);
 821
 822     // make the path absolute
 823     if ( (flags & wxPATH_NORM_ABSOLUTE) && !IsAbsolute(format) )
 824     {
 825         if ( cwd.empty() )
 826         {
 827             curDir.AssignCwd(GetVolume());
 828         }
 829         else // cwd provided
 830         {
 831             curDir.AssignDir(cwd);
 832         }
 833
 834         // the path may be not absolute because it doesn't have the volume name
 835         // but in this case we shouldn't modify the directory components of it
 836         // but just set the current volume
 837         if ( !HasVolume() && curDir.HasVolume() )
 838         {
 839             SetVolume(curDir.GetVolume());
 840
 841             if ( !m_relative )
 842             {
 843                 // yes, it was the case - we don't need curDir then
 844                 curDir.Clear();
 845             }
 846         }
 847     }
 848
 849     // handle ~ stuff under Unix only
 850     if ( (format == wxPATH_UNIX) && (flags & wxPATH_NORM_TILDE) )
 851     {
 852         if ( !dirs.IsEmpty() )
 853         {
 854             wxString dir = dirs[0u];
 855             if ( !dir.empty() && dir[0u] == _T('~') )
 856             {
 857                 curDir.AssignDir(wxGetUserHome(dir.c_str() + 1));
 858
 859                 dirs.RemoveAt(0u);
 860             }
 861         }
 862     }
 863
 864     // transform relative path into abs one
 865     if ( curDir.IsOk() )
 866     {
 867         wxArrayString dirsNew = curDir.GetDirs();
 868         size_t count = dirs.GetCount();
 869         for ( size_t n = 0; n < count; n++ )
 870         {
 871             dirsNew.Add(dirs[n]);
 872         }
 873
 874         dirs = dirsNew;
 875     }
 876
 877     // now deal with ".", ".." and the rest
 878     m_dirs.Empty();
 879     size_t count = dirs.GetCount();
 880     for ( size_t n = 0; n < count; n++ )
 881     {
 882         wxString dir = dirs[n];
 883
 884         if ( flags & wxPATH_NORM_DOTS )
 885         {
 886             if ( dir == wxT(".") )
 887             {
 888                 // just ignore
 889                 continue;
 890             }
 891
 892             if ( dir == wxT("..") )
 893             {
 894                 if ( m_dirs.IsEmpty() )
 895                 {
 896                     wxLogError(_("The path '%s' contains too many \"..\"!"),
 897                                GetFullPath().c_str());
 898                     return FALSE;
 899                 }
 900
 901                 m_dirs.RemoveAt(m_dirs.GetCount() - 1);
 902                 continue;
 903             }
 904         }
 905
 906         if ( flags & wxPATH_NORM_ENV_VARS )
 907         {
 908             dir = wxExpandEnvVars(dir);
 909         }
 910
 911         if ( (flags & wxPATH_NORM_CASE) && !IsCaseSensitive(format) )
 912         {
 913             dir.MakeLower();
 914         }
 915
 916         m_dirs.Add(dir);
 917     }
 918
 919     if ( (flags & wxPATH_NORM_CASE) && !IsCaseSensitive(format) )
 920     {
 921         // VZ: expand env vars here too?
 922
 923         m_name.MakeLower();
 924         m_ext.MakeLower();
 925     }
 926
 927     // we do have the path now
 928     //
 929     // NB: need to do this before (maybe) calling Assign() below
 930     m_relative = FALSE;
 931
 932 #if defined(__WIN32__)
 933     if ( (flags & wxPATH_NORM_LONG) && (format == wxPATH_DOS) )
 934     {
 935         Assign(GetLongPath());
 936     }
 937 #endif // Win32
 938
 939     return TRUE;
 940 }
 941
 942 // ----------------------------------------------------------------------------
 943 // absolute/relative paths
 944 // ----------------------------------------------------------------------------
 945
 946 bool wxFileName::IsAbsolute(wxPathFormat format) const
 947 {
 948     // if our path doesn't start with a path separator, it's not an absolute
 949     // path
 950     if ( m_relative )
 951         return FALSE;
 952
 953     if ( !GetVolumeSeparator(format).empty() )
 954     {
 955         // this format has volumes and an absolute path must have one, it's not
 956         // enough to have the full path to bean absolute file under Windows
 957         if ( GetVolume().empty() )
 958             return FALSE;
 959     }
 960
 961     return TRUE;
 962 }
 963
 964 bool wxFileName::MakeRelativeTo(const wxString& pathBase, wxPathFormat format)
 965 {
 966     wxFileName fnBase(pathBase, format);
 967
 968     // get cwd only once - small time saving
 969     wxString cwd = wxGetCwd();
 970     Normalize(wxPATH_NORM_ALL, cwd, format);
 971     fnBase.Normalize(wxPATH_NORM_ALL, cwd, format);
 972
 973     bool withCase = IsCaseSensitive(format);
 974
 975     // we can't do anything if the files live on different volumes
 976     if ( !GetVolume().IsSameAs(fnBase.GetVolume(), withCase) )
 977     {
 978         // nothing done
 979         return FALSE;
 980     }
 981
 982     // same drive, so we don't need our volume
 983     m_volume.clear();
 984
 985     // remove common directories starting at the top
 986     while ( !m_dirs.IsEmpty() && !fnBase.m_dirs.IsEmpty() &&
 987                 m_dirs[0u].IsSameAs(fnBase.m_dirs[0u], withCase) )
 988     {
 989         m_dirs.RemoveAt(0);
 990         fnBase.m_dirs.RemoveAt(0);
 991     }
 992
 993     // add as many ".." as needed
 994     size_t count = fnBase.m_dirs.GetCount();
 995     for ( size_t i = 0; i < count; i++ )
 996     {
 997         m_dirs.Insert(wxT(".."), 0u);
 998     }
 999
1000     if ( format == wxPATH_UNIX || format == wxPATH_DOS )
1001     {
1002         // a directory made relative with respect to itself is '.' under Unix
1003         // and DOS, by definition (but we don't have to insert "./" for the
1004         // files)
1005         if ( m_dirs.IsEmpty() && IsDir() )
1006         {
1007             m_dirs.Add(_T('.'));
1008         }
1009     }
1010
1011     m_relative = TRUE;
1012
1013     // we were modified
1014     return TRUE;
1015 }
1016
1017 // ----------------------------------------------------------------------------
1018 // filename kind tests
1019 // ----------------------------------------------------------------------------
1020
1021 bool wxFileName::SameAs(const wxFileName &filepath, wxPathFormat format)
1022 {
1023     wxFileName fn1 = *this,
1024                fn2 = filepath;
1025
1026     // get cwd only once - small time saving
1027     wxString cwd = wxGetCwd();
1028     fn1.Normalize(wxPATH_NORM_ALL, cwd, format);
1029     fn2.Normalize(wxPATH_NORM_ALL, cwd, format);
1030
1031     if ( fn1.GetFullPath() == fn2.GetFullPath() )
1032         return TRUE;
1033
1034     // TODO: compare inodes for Unix, this works even when filenames are
1035     //       different but files are the same (symlinks) (VZ)
1036
1037     return FALSE;
1038 }
1039
1040 /* static */
1041 bool wxFileName::IsCaseSensitive( wxPathFormat format )
1042 {
1043     // only Unix filenames are truely case-sensitive
1044     return GetFormat(format) == wxPATH_UNIX;
1045 }
1046
1047 /* static */
1048 wxString wxFileName::GetVolumeSeparator(wxPathFormat format)
1049 {
1050     wxString sepVol;
1051
1052     if ( (GetFormat(format) == wxPATH_DOS) ||
1053          (GetFormat(format) == wxPATH_VMS) )
1054     {
1055         sepVol = wxFILE_SEP_DSK;
1056     }
1057     //else: leave empty
1058
1059     return sepVol;
1060 }
1061
1062 /* static */
1063 wxString wxFileName::GetPathSeparators(wxPathFormat format)
1064 {
1065     wxString seps;
1066     switch ( GetFormat(format) )
1067     {
1068         case wxPATH_DOS:
1069             // accept both as native APIs do but put the native one first as
1070             // this is the one we use in GetFullPath()
1071             seps << wxFILE_SEP_PATH_DOS << wxFILE_SEP_PATH_UNIX;
1072             break;
1073
1074         default:
1075             wxFAIL_MSG( _T("unknown wxPATH_XXX style") );
1076             // fall through
1077
1078         case wxPATH_UNIX:
1079             seps = wxFILE_SEP_PATH_UNIX;
1080             break;
1081
1082         case wxPATH_MAC:
1083             seps = wxFILE_SEP_PATH_MAC;
1084             break;
1085
1086         case wxPATH_VMS:
1087             seps = wxFILE_SEP_PATH_VMS;
1088             break;
1089     }
1090
1091     return seps;
1092 }
1093
1094 /* static */
1095 bool wxFileName::IsPathSeparator(wxChar ch, wxPathFormat format)
1096 {
1097     // wxString::Find() doesn't work as expected with NUL - it will always find
1098     // it, so it is almost surely a bug if this function is called with NUL arg
1099     wxASSERT_MSG( ch != _T('\0'), _T("shouldn't be called with NUL") );
1100
1101     return GetPathSeparators(format).Find(ch) != wxNOT_FOUND;
1102 }
1103
1104 // ----------------------------------------------------------------------------
1105 // path components manipulation
1106 // ----------------------------------------------------------------------------
1107
1108 void wxFileName::AppendDir( const wxString &dir )
1109 {
1110     m_dirs.Add( dir );
1111 }
1112
1113 void wxFileName::PrependDir( const wxString &dir )
1114 {
1115     m_dirs.Insert( dir, 0 );
1116 }
1117
1118 void wxFileName::InsertDir( int before, const wxString &dir )
1119 {
1120     m_dirs.Insert( dir, before );
1121 }
1122
1123 void wxFileName::RemoveDir( int pos )
1124 {
1125     m_dirs.Remove( (size_t)pos );
1126 }
1127
1128 // ----------------------------------------------------------------------------
1129 // accessors
1130 // ----------------------------------------------------------------------------
1131
1132 void wxFileName::SetFullName(const wxString& fullname)
1133 {
1134     SplitPath(fullname, NULL /* no path */, &m_name, &m_ext);
1135 }
1136
1137 wxString wxFileName::GetFullName() const
1138 {
1139     wxString fullname = m_name;
1140     if ( !m_ext.empty() )
1141     {
1142         fullname << wxFILE_SEP_EXT << m_ext;
1143     }
1144
1145     return fullname;
1146 }
1147
1148 wxString wxFileName::GetPath( int flags, wxPathFormat format ) const
1149 {
1150     format = GetFormat( format );
1151
1152     wxString fullpath;
1153
1154     // return the volume with the path as well if requested
1155     if ( flags & wxPATH_GET_VOLUME )
1156     {
1157         fullpath += wxGetVolumeString(GetVolume(), format);
1158     }
1159
1160     // the leading character
1161     switch ( format )
1162     {
1163         case wxPATH_MAC:
1164             if ( m_relative )
1165                 fullpath += wxFILE_SEP_PATH_MAC;
1166             break;
1167
1168         case wxPATH_DOS:
1169             if (!m_relative)
1170                 fullpath += wxFILE_SEP_PATH_DOS;
1171             break;
1172
1173         default:
1174             wxFAIL_MSG( _T("unknown path format") );
1175             // fall through
1176
1177         case wxPATH_UNIX:
1178             if ( !m_relative )
1179             {
1180                 // normally the absolute file names starts with a slash with
1181                 // one exception: file names like "~/foo.bar" don't have it
1182                 if ( m_dirs.IsEmpty() || m_dirs[0u] != _T('~') )
1183                 {
1184                     fullpath += wxFILE_SEP_PATH_UNIX;
1185                 }
1186             }
1187             break;
1188
1189         case wxPATH_VMS:
1190             // no leading character here but use this place to unset
1191             // wxPATH_GET_SEPARATOR flag: under VMS it doesn't make sense as,
1192             // if I understand correctly, there should never be a dot before
1193             // the closing bracket
1194             flags &= ~wxPATH_GET_SEPARATOR;
1195     }
1196
1197     // then concatenate all the path components using the path separator
1198     size_t dirCount = m_dirs.GetCount();
1199     if ( dirCount )
1200     {
1201         if ( format == wxPATH_VMS )
1202         {
1203             fullpath += wxT('[');
1204         }
1205
1206         for ( size_t i = 0; i < dirCount; i++ )
1207         {
1208             switch (format)
1209             {
1210                 case wxPATH_MAC:
1211                     if ( m_dirs[i] == wxT(".") )
1212                     {
1213                         // skip appending ':', this shouldn't be done in this
1214                         // case as "::" is interpreted as ".." under Unix
1215                         continue;
1216                     }
1217
1218                     // convert back from ".." to nothing
1219                     if ( m_dirs[i] != wxT("..") )
1220                          fullpath += m_dirs[i];
1221                     break;
1222
1223                 default:
1224                     wxFAIL_MSG( wxT("unexpected path format") );
1225                     // still fall through
1226
1227                 case wxPATH_DOS:
1228                 case wxPATH_UNIX:
1229                     fullpath += m_dirs[i];
1230                     break;
1231
1232                 case wxPATH_VMS:
1233                     // TODO: What to do with ".." under VMS
1234
1235                     // convert back from ".." to nothing
1236                     if ( m_dirs[i] != wxT("..") )
1237                         fullpath += m_dirs[i];
1238                     break;
1239             }
1240
1241             if ( (flags & wxPATH_GET_SEPARATOR) || (i != dirCount - 1) )
1242                 fullpath += GetPathSeparator(format);
1243         }
1244
1245         if ( format == wxPATH_VMS )
1246         {
1247             fullpath += wxT(']');
1248         }
1249     }
1250
1251     return fullpath;
1252 }
1253
1254 wxString wxFileName::GetFullPath( wxPathFormat format ) const
1255 {
1256     // we already have a function to get the path
1257     wxString fullpath = GetPath(wxPATH_GET_VOLUME | wxPATH_GET_SEPARATOR,
1258                                 format);
1259
1260     // now just add the file name and extension to it
1261     fullpath += GetFullName();
1262
1263     return fullpath;
1264 }
1265
1266 // Return the short form of the path (returns identity on non-Windows platforms)
1267 wxString wxFileName::GetShortPath() const
1268 {
1269 #if defined(__WXMSW__) && defined(__WIN32__) && !defined(__WXMICROWIN__)
1270     wxString path(GetFullPath());
1271     wxString pathOut;
1272     DWORD sz = ::GetShortPathName(path, NULL, 0);
1273     bool ok = sz != 0;
1274     if ( ok )
1275     {
1276         ok = ::GetShortPathName
1277                (
1278                 path,
1279                 pathOut.GetWriteBuf(sz),
1280                 sz
1281                ) != 0;
1282         pathOut.UngetWriteBuf();
1283     }
1284     if (ok)
1285         return pathOut;
1286
1287     return path;
1288 #else
1289     return GetFullPath();
1290 #endif
1291 }
1292
1293 // Return the long form of the path (returns identity on non-Windows platforms)
1294 wxString wxFileName::GetLongPath() const
1295 {
1296     wxString pathOut,
1297              path = GetFullPath();
1298
1299 #if defined(__WIN32__) && !defined(__WXMICROWIN__)
1300     bool success = FALSE;
1301
1302 #if wxUSE_DYNAMIC_LOADER
1303     typedef DWORD (WINAPI *GET_LONG_PATH_NAME)(const wxChar *, wxChar *, DWORD);
1304
1305     static bool s_triedToLoad = FALSE;
1306
1307     if ( !s_triedToLoad )
1308     {
1309         // suppress the errors about missing GetLongPathName[AW]
1310         wxLogNull noLog;
1311
1312         s_triedToLoad = TRUE;
1313         wxDynamicLibrary dllKernel(_T("kernel32"));
1314         if ( dllKernel.IsLoaded() )
1315         {
1316             // may succeed or fail depending on the Windows version
1317             static GET_LONG_PATH_NAME s_pfnGetLongPathName = NULL;
1318 #ifdef _UNICODE
1319             s_pfnGetLongPathName = (GET_LONG_PATH_NAME) dllKernel.GetSymbol(_T("GetLongPathNameW"));
1320 #else
1321             s_pfnGetLongPathName = (GET_LONG_PATH_NAME) dllKernel.GetSymbol(_T("GetLongPathNameA"));
1322 #endif
1323
1324             if ( s_pfnGetLongPathName )
1325             {
1326                 DWORD dwSize = (*s_pfnGetLongPathName)(path, NULL, 0);
1327                 bool ok = dwSize > 0;
1328
1329                 if ( ok )
1330                 {
1331                     DWORD sz = (*s_pfnGetLongPathName)(path, NULL, 0);
1332                     ok = sz != 0;
1333                     if ( ok )
1334                     {
1335                         ok = (*s_pfnGetLongPathName)
1336                                 (
1337                                 path,
1338                                 pathOut.GetWriteBuf(sz),
1339                                 sz
1340                                 ) != 0;
1341                         pathOut.UngetWriteBuf();
1342
1343                         success = TRUE;
1344                     }
1345                 }
1346             }
1347         }
1348     }
1349
1350     if (success)
1351         return pathOut;
1352 #endif // wxUSE_DYNAMIC_LOADER
1353
1354     if (!success)
1355     {
1356         // The OS didn't support GetLongPathName, or some other error.
1357         // We need to call FindFirstFile on each component in turn.
1358
1359         WIN32_FIND_DATA findFileData;
1360         HANDLE hFind;
1361         pathOut = wxEmptyString;
1362
1363         wxArrayString dirs = GetDirs();
1364         dirs.Add(GetFullName());
1365
1366         wxString tmpPath;
1367
1368         size_t count = dirs.GetCount();
1369         for ( size_t i = 0; i < count; i++ )
1370         {
1371             // We're using pathOut to collect the long-name path, but using a
1372             // temporary for appending the last path component which may be
1373             // short-name
1374             tmpPath = pathOut + dirs[i];
1375
1376             if ( tmpPath.empty() )
1377                 continue;
1378
1379             if ( tmpPath.Last() == wxT(':') )
1380             {
1381                 // Can't pass a drive and root dir to FindFirstFile,
1382                 // so continue to next dir
1383                 tmpPath += wxFILE_SEP_PATH;
1384                 pathOut = tmpPath;
1385                 continue;
1386             }
1387
1388             hFind = ::FindFirstFile(tmpPath, &findFileData);
1389             if (hFind == INVALID_HANDLE_VALUE)
1390             {
1391                 // Error: return immediately with the original path
1392                 return path;
1393             }
1394
1395             pathOut += findFileData.cFileName;
1396             if ( (i < (count-1)) )
1397                 pathOut += wxFILE_SEP_PATH;
1398
1399             ::FindClose(hFind);
1400         }
1401     }
1402 #else // !Win32
1403     pathOut = path;
1404 #endif // Win32/!Win32
1405
1406     return pathOut;
1407 }
1408
1409 wxPathFormat wxFileName::GetFormat( wxPathFormat format )
1410 {
1411     if (format == wxPATH_NATIVE)
1412     {
1413 #if defined(__WXMSW__) || defined(__WXPM__) || defined(__DOS__)
1414         format = wxPATH_DOS;
1415 #elif defined(__WXMAC__) && !defined(__DARWIN__)
1416         format = wxPATH_MAC;
1417 #elif defined(__VMS)
1418         format = wxPATH_VMS;
1419 #else
1420         format = wxPATH_UNIX;
1421 #endif
1422     }
1423     return format;
1424 }
1425
1426 // ----------------------------------------------------------------------------
1427 // path splitting function
1428 // ----------------------------------------------------------------------------
1429
1430 /* static */
1431 void wxFileName::SplitPath(const wxString& fullpathWithVolume,
1432                            wxString *pstrVolume,
1433                            wxString *pstrPath,
1434                            wxString *pstrName,
1435                            wxString *pstrExt,
1436                            wxPathFormat format)
1437 {
1438     format = GetFormat(format);
1439
1440     wxString fullpath = fullpathWithVolume;
1441
1442     // under VMS the end of the path is ']', not the path separator used to
1443     // separate the components
1444     wxString sepPath = format == wxPATH_VMS ? wxString(_T(']'))
1445                                             : GetPathSeparators(format);
1446
1447     // special Windows UNC paths hack: transform \\share\path into share:path
1448     if ( format == wxPATH_DOS )
1449     {
1450         if ( fullpath.length() >= 4 &&
1451                 fullpath[0u] == wxFILE_SEP_PATH_DOS &&
1452                     fullpath[1u] == wxFILE_SEP_PATH_DOS )
1453         {
1454             fullpath.erase(0, 2);
1455
1456             size_t posFirstSlash = fullpath.find_first_of(sepPath);
1457             if ( posFirstSlash != wxString::npos )
1458             {
1459                 fullpath[posFirstSlash] = wxFILE_SEP_DSK;
1460
1461                 // UNC paths are always absolute, right? (FIXME)
1462                 fullpath.insert(posFirstSlash + 1, wxFILE_SEP_PATH_DOS);
1463             }
1464         }
1465     }
1466
1467     // We separate the volume here
1468     if ( format == wxPATH_DOS || format == wxPATH_VMS )
1469     {
1470         wxString sepVol = GetVolumeSeparator(format);
1471
1472         size_t posFirstColon = fullpath.find_first_of(sepVol);
1473         if ( posFirstColon != wxString::npos )
1474         {
1475             if ( pstrVolume )
1476             {
1477                 *pstrVolume = fullpath.Left(posFirstColon);
1478             }
1479
1480             // remove the volume name and the separator from the full path
1481             fullpath.erase(0, posFirstColon + sepVol.length());
1482         }
1483     }
1484
1485     // find the positions of the last dot and last path separator in the path
1486     size_t posLastDot = fullpath.find_last_of(wxFILE_SEP_EXT);
1487     size_t posLastSlash = fullpath.find_last_of(sepPath);
1488
1489     if ( (posLastDot != wxString::npos) &&
1490             ((format == wxPATH_UNIX) || (format == wxPATH_VMS)) )
1491     {
1492         if ( (posLastDot == 0) ||
1493              (fullpath[posLastDot - 1] == sepPath[0u] ) )
1494         {
1495             // under Unix and VMS, dot may be (and commonly is) the first
1496             // character of the filename, don't treat the entire filename as
1497             // extension in this case
1498             posLastDot = wxString::npos;
1499         }
1500     }
1501
1502     // if we do have a dot and a slash, check that the dot is in the name part
1503     if ( (posLastDot != wxString::npos) &&
1504          (posLastSlash != wxString::npos) &&
1505          (posLastDot < posLastSlash) )
1506     {
1507         // the dot is part of the path, not the start of the extension
1508         posLastDot = wxString::npos;
1509     }
1510
1511     // now fill in the variables provided by user
1512     if ( pstrPath )
1513     {
1514         if ( posLastSlash == wxString::npos )
1515         {
1516             // no path at all
1517             pstrPath->Empty();
1518         }
1519         else
1520         {
1521             // take everything up to the path separator but take care to make
1522             // the path equal to something like '/', not empty, for the files
1523             // immediately under root directory
1524             size_t len = posLastSlash;
1525
1526             // this rule does not apply to mac since we do not start with colons (sep)
1527             // except for relative paths
1528             if ( !len && format != wxPATH_MAC)
1529                 len++;
1530
1531             *pstrPath = fullpath.Left(len);
1532
1533             // special VMS hack: remove the initial bracket
1534             if ( format == wxPATH_VMS )
1535             {
1536                 if ( (*pstrPath)[0u] == _T('[') )
1537                     pstrPath->erase(0, 1);
1538             }
1539         }
1540     }
1541
1542     if ( pstrName )
1543     {
1544         // take all characters starting from the one after the last slash and
1545         // up to, but excluding, the last dot
1546         size_t nStart = posLastSlash == wxString::npos ? 0 : posLastSlash + 1;
1547         size_t count;
1548         if ( posLastDot == wxString::npos )
1549         {
1550             // take all until the end
1551             count = wxString::npos;
1552         }
1553         else if ( posLastSlash == wxString::npos )
1554         {
1555             count = posLastDot;
1556         }
1557         else // have both dot and slash
1558         {
1559             count = posLastDot - posLastSlash - 1;
1560         }
1561
1562         *pstrName = fullpath.Mid(nStart, count);
1563     }
1564
1565     if ( pstrExt )
1566     {
1567         if ( posLastDot == wxString::npos )
1568         {
1569             // no extension
1570             pstrExt->Empty();
1571         }
1572         else
1573         {
1574             // take everything after the dot
1575             *pstrExt = fullpath.Mid(posLastDot + 1);
1576         }
1577     }
1578 }
1579
1580 /* static */
1581 void wxFileName::SplitPath(const wxString& fullpath,
1582                            wxString *path,
1583                            wxString *name,
1584                            wxString *ext,
1585                            wxPathFormat format)
1586 {
1587     wxString volume;
1588     SplitPath(fullpath, &volume, path, name, ext, format);
1589
1590     if ( path )
1591     {
1592         path->Prepend(wxGetVolumeString(volume, format));
1593     }
1594 }
1595
1596 // ----------------------------------------------------------------------------
1597 // time functions
1598 // ----------------------------------------------------------------------------
1599
1600 bool wxFileName::SetTimes(const wxDateTime *dtAccess,
1601                           const wxDateTime *dtMod,
1602                           const wxDateTime *dtCreate)
1603 {
1604 #if defined(__UNIX_LIKE__) || (defined(__DOS__) && defined(__WATCOMC__))
1605     if ( !dtAccess && !dtMod )
1606     {
1607         // can't modify the creation time anyhow, don't try
1608         return TRUE;
1609     }
1610
1611     // if dtAccess or dtMod is not specified, use the other one (which must be
1612     // non NULL because of the test above) for both times
1613     utimbuf utm;
1614     utm.actime = dtAccess ? dtAccess->GetTicks() : dtMod->GetTicks();
1615     utm.modtime = dtMod ? dtMod->GetTicks() : dtAccess->GetTicks();
1616     if ( utime(GetFullPath().fn_str(), &utm) == 0 )
1617     {
1618         return TRUE;
1619     }
1620 #elif defined(__WIN32__)
1621     wxFileHandle fh(GetFullPath(), wxFileHandle::Write);
1622     if ( fh.IsOk() )
1623     {
1624         FILETIME ftAccess, ftCreate, ftWrite;
1625
1626         if ( dtCreate )
1627             ConvertWxToFileTime(&ftCreate, *dtCreate);
1628         if ( dtAccess )
1629             ConvertWxToFileTime(&ftAccess, *dtAccess);
1630         if ( dtMod )
1631             ConvertWxToFileTime(&ftWrite, *dtMod);
1632
1633         if ( ::SetFileTime(fh,
1634                            dtCreate ? &ftCreate : NULL,
1635                            dtAccess ? &ftAccess : NULL,
1636                            dtMod ? &ftWrite : NULL) )
1637         {
1638             return TRUE;
1639         }
1640     }
1641 #else // other platform
1642 #endif // platforms
1643
1644     wxLogSysError(_("Failed to modify file times for '%s'"),
1645                   GetFullPath().c_str());
1646
1647     return FALSE;
1648 }
1649
1650 bool wxFileName::Touch()
1651 {
1652 #if defined(__UNIX_LIKE__)
1653     // under Unix touching file is simple: just pass NULL to utime()
1654     if ( utime(GetFullPath().fn_str(), NULL) == 0 )
1655     {
1656         return TRUE;
1657     }
1658
1659     wxLogSysError(_("Failed to touch the file '%s'"), GetFullPath().c_str());
1660
1661     return FALSE;
1662 #else // other platform
1663     wxDateTime dtNow = wxDateTime::Now();
1664
1665     return SetTimes(&dtNow, &dtNow, NULL /* don't change create time */);
1666 #endif // platforms
1667 }
1668
1669 bool wxFileName::GetTimes(wxDateTime *dtAccess,
1670                           wxDateTime *dtMod,
1671                           wxDateTime *dtCreate) const
1672 {
1673 #if defined(__UNIX_LIKE__) || defined(__WXMAC__) || (defined(__DOS__) && defined(__WATCOMC__))
1674     wxStructStat stBuf;
1675     if ( wxStat( GetFullPath().c_str(), &stBuf) == 0 )
1676     {
1677         if ( dtAccess )
1678             dtAccess->Set(stBuf.st_atime);
1679         if ( dtMod )
1680             dtMod->Set(stBuf.st_mtime);
1681         if ( dtCreate )
1682             dtCreate->Set(stBuf.st_ctime);
1683
1684         return TRUE;
1685     }
1686 #elif defined(__WIN32__)
1687     wxFileHandle fh(GetFullPath(), wxFileHandle::Read);
1688     if ( fh.IsOk() )
1689     {
1690         FILETIME ftAccess, ftCreate, ftWrite;
1691
1692         if ( ::GetFileTime(fh,
1693                            dtCreate ? &ftCreate : NULL,
1694                            dtAccess ? &ftAccess : NULL,
1695                            dtMod ? &ftWrite : NULL) )
1696         {
1697             if ( dtCreate )
1698                 ConvertFileTimeToWx(dtCreate, ftCreate);
1699             if ( dtAccess )
1700                 ConvertFileTimeToWx(dtAccess, ftAccess);
1701             if ( dtMod )
1702                 ConvertFileTimeToWx(dtMod, ftWrite);
1703
1704             return TRUE;
1705         }
1706     }
1707 #else // other platform
1708 #endif // platforms
1709
1710     wxLogSysError(_("Failed to retrieve file times for '%s'"),
1711                   GetFullPath().c_str());
1712
1713     return FALSE;
1714 }
1715
1716 #ifdef __WXMAC__
1717
1718 const short kMacExtensionMaxLength = 16 ;
1719 class MacDefaultExtensionRecord
1720 {
1721 public :
1722   MacDefaultExtensionRecord()
1723   {
1724     m_ext[0] = 0 ;
1725     m_type = m_creator = NULL ;
1726   }
1727   MacDefaultExtensionRecord( const MacDefaultExtensionRecord& from )
1728   {
1729     strcpy( m_ext , from.m_ext ) ;
1730     m_type = from.m_type ;
1731     m_creator = from.m_creator ;
1732   }
1733   MacDefaultExtensionRecord( const char * extension , OSType type , OSType creator )
1734   {
1735     strncpy( m_ext , extension , kMacExtensionMaxLength ) ;
1736     m_ext[kMacExtensionMaxLength] = 0 ;
1737     m_type = type ;
1738     m_creator = creator ;
1739   }
1740   char m_ext[kMacExtensionMaxLength] ;
1741   OSType m_type ;
1742   OSType m_creator ;
1743 }  ;
1744
1745 #include "wx/dynarray.h"
1746 WX_DECLARE_OBJARRAY(MacDefaultExtensionRecord, MacDefaultExtensionArray) ;
1747
1748 bool gMacDefaultExtensionsInited = false ;
1749
1750 #include "wx/arrimpl.cpp"
1751
1752 WX_DEFINE_EXPORTED_OBJARRAY(MacDefaultExtensionArray) ;
1753
1754 MacDefaultExtensionArray gMacDefaultExtensions ;
1755
1756 static void MacEnsureDefaultExtensionsLoaded()
1757 {
1758   if ( !gMacDefaultExtensionsInited )
1759   {
1760
1761     // load the default extensions
1762     MacDefaultExtensionRecord defaults[1] =
1763     {
1764       MacDefaultExtensionRecord( "txt" , 'TEXT' , 'ttxt' ) ,
1765
1766     } ;
1767     // we could load the pc exchange prefs here too
1768
1769     for ( size_t i = 0 ; i < WXSIZEOF( defaults ) ; ++i )
1770     {
1771       gMacDefaultExtensions.Add( defaults[i] ) ;
1772     }
1773     gMacDefaultExtensionsInited = true ;
1774   }
1775 }
1776 bool wxFileName::MacSetTypeAndCreator( wxUint32 type , wxUint32 creator )
1777 {
1778   FInfo fndrInfo ;
1779   FSSpec spec ;
1780   wxMacFilename2FSSpec(GetFullPath(),&spec) ;
1781   OSErr err = FSpGetFInfo( &spec , &fndrInfo ) ;
1782   wxCHECK( err == noErr , false ) ;
1783
1784   fndrInfo.fdType = type ;
1785   fndrInfo.fdCreator = creator ;
1786   FSpSetFInfo( &spec , &fndrInfo ) ;
1787   return true ;
1788 }
1789
1790 bool wxFileName::MacGetTypeAndCreator( wxUint32 *type , wxUint32 *creator )
1791 {
1792   FInfo fndrInfo ;
1793   FSSpec spec ;
1794   wxMacFilename2FSSpec(GetFullPath(),&spec) ;
1795   OSErr err = FSpGetFInfo( &spec , &fndrInfo ) ;
1796   wxCHECK( err == noErr , false ) ;
1797
1798   *type = fndrInfo.fdType ;
1799   *creator = fndrInfo.fdCreator ;
1800   return true ;
1801 }
1802
1803 bool wxFileName::MacSetDefaultTypeAndCreator()
1804 {
1805     wxUint32 type , creator ;
1806     if ( wxFileName::MacFindDefaultTypeAndCreator(GetExt() , &type ,
1807       &creator ) )
1808     {
1809         return MacSetTypeAndCreator( type , creator ) ;
1810     }
1811     return false;
1812 }
1813
1814 bool wxFileName::MacFindDefaultTypeAndCreator( const wxString& ext , wxUint32 *type , wxUint32 *creator )
1815 {
1816   MacEnsureDefaultExtensionsLoaded() ;
1817   wxString extl = ext.Lower() ;
1818   for( int i = gMacDefaultExtensions.Count() - 1 ; i >= 0 ; --i )
1819   {
1820     if ( gMacDefaultExtensions.Item(i).m_ext == extl )
1821     {
1822       *type = gMacDefaultExtensions.Item(i).m_type ;
1823       *creator = gMacDefaultExtensions.Item(i).m_creator ;
1824       return true ;
1825     }
1826   }
1827   return false ;
1828 }
1829
1830 void wxFileName::MacRegisterDefaultTypeAndCreator( const wxString& ext , wxUint32 type , wxUint32 creator )
1831 {
1832   MacEnsureDefaultExtensionsLoaded() ;
1833   MacDefaultExtensionRecord rec ;
1834   rec.m_type = type ;
1835   rec.m_creator = creator ;
1836   strncpy( rec.m_ext , ext.Lower().c_str() , kMacExtensionMaxLength ) ;
1837   gMacDefaultExtensions.Add( rec ) ;
1838 }
1839 #endif