src/common/mimecmn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/common/mimecmn.cpp
   3 // Purpose:     classes and functions to manage MIME types
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 //  Chris Elliott (biol75@york.ac.uk) 5 Dec 00: write support for Win32
   7 // Created:     23.09.98
   8 // RCS-ID:      $Id$
   9 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
  10 // Licence:     wxWindows licence (part of wxExtra library)
  11 /////////////////////////////////////////////////////////////////////////////
  12
  13 // ============================================================================
  14 // declarations
  15 // ============================================================================
  16
  17 // ----------------------------------------------------------------------------
  18 // headers
  19 // ----------------------------------------------------------------------------
  20
  21 // for compilers that support precompilation, includes "wx.h".
  22 #include "wx/wxprec.h"
  23
  24 #ifdef __BORLANDC__
  25     #pragma hdrstop
  26 #endif
  27
  28 #if wxUSE_MIMETYPE
  29
  30 #include "wx/mimetype.h"
  31
  32 #ifndef WX_PRECOMP
  33     #include "wx/dynarray.h"
  34     #include "wx/string.h"
  35     #include "wx/intl.h"
  36     #include "wx/log.h"
  37     #include "wx/module.h"
  38 #endif //WX_PRECOMP
  39
  40 #include "wx/file.h"
  41 #include "wx/iconloc.h"
  42 #include "wx/confbase.h"
  43
  44 // other standard headers
  45 #include <ctype.h>
  46
  47 // implementation classes:
  48 #if defined(__WXMSW__)
  49     #include "wx/msw/mimetype.h"
  50 #elif defined(__WXMAC__)
  51     #include "wx/mac/mimetype.h"
  52 #elif defined(__WXPM__) || defined (__EMX__)
  53     #include "wx/os2/mimetype.h"
  54     #undef __UNIX__
  55 #elif defined(__DOS__)
  56     #include "wx/msdos/mimetype.h"
  57 #else // Unix
  58     #include "wx/unix/mimetype.h"
  59 #endif
  60
  61 // ============================================================================
  62 // common classes
  63 // ============================================================================
  64
  65 // ----------------------------------------------------------------------------
  66 // wxMimeTypeCommands
  67 // ----------------------------------------------------------------------------
  68
  69 void
  70 wxMimeTypeCommands::AddOrReplaceVerb(const wxString& verb, const wxString& cmd)
  71 {
  72     int n = m_verbs.Index(verb, false /* ignore case */);
  73     if ( n == wxNOT_FOUND )
  74     {
  75         m_verbs.Add(verb);
  76         m_commands.Add(cmd);
  77     }
  78     else
  79     {
  80         m_commands[n] = cmd;
  81     }
  82 }
  83
  84 wxString
  85 wxMimeTypeCommands::GetCommandForVerb(const wxString& verb, size_t *idx) const
  86 {
  87     wxString s;
  88
  89     int n = m_verbs.Index(verb);
  90     if ( n != wxNOT_FOUND )
  91     {
  92         s = m_commands[(size_t)n];
  93         if ( idx )
  94             *idx = n;
  95     }
  96     else if ( idx )
  97     {
  98         // different from any valid index
  99         *idx = (size_t)-1;
 100     }
 101
 102     return s;
 103 }
 104
 105 wxString wxMimeTypeCommands::GetVerbCmd(size_t n) const
 106 {
 107     return m_verbs[n] + wxT('=') + m_commands[n];
 108 }
 109
 110 // ----------------------------------------------------------------------------
 111 // wxFileTypeInfo
 112 // ----------------------------------------------------------------------------
 113
 114 void wxFileTypeInfo::DoVarArgInit(const wxString& mimeType,
 115                                   const wxString& openCmd,
 116                                   const wxString& printCmd,
 117                                   const wxString& desc,
 118                                   va_list argptr)
 119 {
 120     m_mimeType = mimeType;
 121     m_openCmd = openCmd;
 122     m_printCmd = printCmd;
 123     m_desc = desc;
 124
 125     for ( ;; )
 126     {
 127         // icc gives this warning in its own va_arg() macro, argh
 128 #ifdef __INTELC__
 129     #pragma warning(push)
 130     #pragma warning(disable: 1684)
 131 #endif
 132
 133         wxArgNormalizedString ext(WX_VA_ARG_STRING(argptr));
 134
 135 #ifdef __INTELC__
 136     #pragma warning(pop)
 137 #endif
 138         if ( !ext )
 139         {
 140             // NULL terminates the list
 141             break;
 142         }
 143
 144         m_exts.Add(ext.GetString());
 145     }
 146 }
 147
 148 // NB: DoVarArgInit uses WX_VA_ARG_STRING macro to extract the string and this
 149 //     macro interprets the argument as char* or wchar_t* depending on build
 150 //     (and in UTF8 build, on the current locale). Because only one of the
 151 //     vararg forms below is called and the decision about which one gets
 152 //     called depends on the same conditions WX_VA_ARG_STRING uses, we can
 153 //     implement both of them in the exact same way:
 154
 155 #if !wxUSE_UTF8_LOCALE_ONLY
 156 void wxFileTypeInfo::VarArgInitWchar(const wxChar *mimeType,
 157                                      const wxChar *openCmd,
 158                                      const wxChar *printCmd,
 159                                      const wxChar *desc,
 160                                      ...)
 161 {
 162     va_list argptr;
 163     va_start(argptr, desc);
 164
 165     DoVarArgInit(mimeType, openCmd, printCmd, desc, argptr);
 166
 167     va_end(argptr);
 168 }
 169 #endif // !wxUSE_UTF8_LOCALE_ONLY
 170
 171 #if wxUSE_UNICODE_UTF8
 172 void wxFileTypeInfo::VarArgInitUtf8(const char *mimeType,
 173                                     const char *openCmd,
 174                                     const char *printCmd,
 175                                     const char *desc,
 176                                     ...)
 177 {
 178     va_list argptr;
 179     va_start(argptr, desc);
 180
 181     DoVarArgInit(mimeType, openCmd, printCmd, desc, argptr);
 182
 183     va_end(argptr);
 184 }
 185 #endif // wxUSE_UNICODE_UTF8
 186
 187
 188 wxFileTypeInfo::wxFileTypeInfo(const wxArrayString& sArray)
 189 {
 190     m_mimeType = sArray [0u];
 191     m_openCmd  = sArray [1u];
 192     m_printCmd = sArray [2u];
 193     m_desc     = sArray [3u];
 194
 195     size_t count = sArray.GetCount();
 196     for ( size_t i = 4; i < count; i++ )
 197     {
 198         m_exts.Add(sArray[i]);
 199     }
 200 }
 201
 202 #include "wx/arrimpl.cpp"
 203 WX_DEFINE_OBJARRAY(wxArrayFileTypeInfo)
 204
 205 // ============================================================================
 206 // implementation of the wrapper classes
 207 // ============================================================================
 208
 209 // ----------------------------------------------------------------------------
 210 // wxFileType
 211 // ----------------------------------------------------------------------------
 212
 213 /* static */
 214 wxString wxFileType::ExpandCommand(const wxString& command,
 215                                    const wxFileType::MessageParameters& params)
 216 {
 217     bool hasFilename = false;
 218
 219     wxString str;
 220     for ( const wxChar *pc = command.c_str(); *pc != wxT('\0'); pc++ ) {
 221         if ( *pc == wxT('%') ) {
 222             switch ( *++pc ) {
 223                 case wxT('s'):
 224                     // '%s' expands into file name (quoted because it might
 225                     // contain spaces) - except if there are already quotes
 226                     // there because otherwise some programs may get confused
 227                     // by double double quotes
 228 #if 0
 229                     if ( *(pc - 2) == wxT('"') )
 230                         str << params.GetFileName();
 231                     else
 232                         str << wxT('"') << params.GetFileName() << wxT('"');
 233 #endif
 234                     str << params.GetFileName();
 235                     hasFilename = true;
 236                     break;
 237
 238                 case wxT('t'):
 239                     // '%t' expands into MIME type (quote it too just to be
 240                     // consistent)
 241                     str << wxT('\'') << params.GetMimeType() << wxT('\'');
 242                     break;
 243
 244                 case wxT('{'):
 245                     {
 246                         const wxChar *pEnd = wxStrchr(pc, wxT('}'));
 247                         if ( pEnd == NULL ) {
 248                             wxString mimetype;
 249                             wxLogWarning(_("Unmatched '{' in an entry for mime type %s."),
 250                                          params.GetMimeType().c_str());
 251                             str << wxT("%{");
 252                         }
 253                         else {
 254                             wxString param(pc + 1, pEnd - pc - 1);
 255                             str << wxT('\'') << params.GetParamValue(param) << wxT('\'');
 256                             pc = pEnd;
 257                         }
 258                     }
 259                     break;
 260
 261                 case wxT('n'):
 262                 case wxT('F'):
 263                     // TODO %n is the number of parts, %F is an array containing
 264                     //      the names of temp files these parts were written to
 265                     //      and their mime types.
 266                     break;
 267
 268                 default:
 269                     wxLogDebug(wxT("Unknown field %%%c in command '%s'."),
 270                                *pc, command.c_str());
 271                     str << *pc;
 272             }
 273         }
 274         else {
 275             str << *pc;
 276         }
 277     }
 278
 279     // metamail(1) man page states that if the mailcap entry doesn't have '%s'
 280     // the program will accept the data on stdin so normally we should append
 281     // "< %s" to the end of the command in such case, but not all commands
 282     // behave like this, in particular a common test is 'test -n "$DISPLAY"'
 283     // and appending "< %s" to this command makes the test fail... I don't
 284     // know of the correct solution, try to guess what we have to do.
 285
 286     // test now carried out on reading file so test should never get here
 287     if ( !hasFilename && !str.empty()
 288 #ifdef __UNIX__
 289                       && !str.StartsWith(_T("test "))
 290 #endif // Unix
 291        ) {
 292         str << wxT(" < '") << params.GetFileName() << wxT('\'');
 293     }
 294
 295     return str;
 296 }
 297
 298 wxFileType::wxFileType(const wxFileTypeInfo& info)
 299 {
 300     m_info = &info;
 301     m_impl = NULL;
 302 }
 303
 304 wxFileType::wxFileType()
 305 {
 306     m_info = NULL;
 307     m_impl = new wxFileTypeImpl;
 308 }
 309
 310 wxFileType::~wxFileType()
 311 {
 312     if ( m_impl )
 313         delete m_impl;
 314 }
 315
 316 bool wxFileType::GetExtensions(wxArrayString& extensions)
 317 {
 318     if ( m_info )
 319     {
 320         extensions = m_info->GetExtensions();
 321         return true;
 322     }
 323
 324     return m_impl->GetExtensions(extensions);
 325 }
 326
 327 bool wxFileType::GetMimeType(wxString *mimeType) const
 328 {
 329     wxCHECK_MSG( mimeType, false, _T("invalid parameter in GetMimeType") );
 330
 331     if ( m_info )
 332     {
 333         *mimeType = m_info->GetMimeType();
 334
 335         return true;
 336     }
 337
 338     return m_impl->GetMimeType(mimeType);
 339 }
 340
 341 bool wxFileType::GetMimeTypes(wxArrayString& mimeTypes) const
 342 {
 343     if ( m_info )
 344     {
 345         mimeTypes.Clear();
 346         mimeTypes.Add(m_info->GetMimeType());
 347
 348         return true;
 349     }
 350
 351     return m_impl->GetMimeTypes(mimeTypes);
 352 }
 353
 354 bool wxFileType::GetIcon(wxIconLocation *iconLoc) const
 355 {
 356     if ( m_info )
 357     {
 358         if ( iconLoc )
 359         {
 360             iconLoc->SetFileName(m_info->GetIconFile());
 361 #ifdef __WXMSW__
 362             iconLoc->SetIndex(m_info->GetIconIndex());
 363 #endif // __WXMSW__
 364         }
 365
 366         return true;
 367     }
 368
 369     return m_impl->GetIcon(iconLoc);
 370 }
 371
 372 bool
 373 wxFileType::GetIcon(wxIconLocation *iconloc,
 374                     const MessageParameters& params) const
 375 {
 376     if ( !GetIcon(iconloc) )
 377     {
 378         return false;
 379     }
 380
 381     // we may have "%s" in the icon location string, at least under Windows, so
 382     // expand this
 383     if ( iconloc )
 384     {
 385         iconloc->SetFileName(ExpandCommand(iconloc->GetFileName(), params));
 386     }
 387
 388     return true;
 389 }
 390
 391 bool wxFileType::GetDescription(wxString *desc) const
 392 {
 393     wxCHECK_MSG( desc, false, _T("invalid parameter in GetDescription") );
 394
 395     if ( m_info )
 396     {
 397         *desc = m_info->GetDescription();
 398
 399         return true;
 400     }
 401
 402     return m_impl->GetDescription(desc);
 403 }
 404
 405 bool
 406 wxFileType::GetOpenCommand(wxString *openCmd,
 407                            const wxFileType::MessageParameters& params) const
 408 {
 409     wxCHECK_MSG( openCmd, false, _T("invalid parameter in GetOpenCommand") );
 410
 411     if ( m_info )
 412     {
 413         *openCmd = ExpandCommand(m_info->GetOpenCommand(), params);
 414
 415         return true;
 416     }
 417
 418     return m_impl->GetOpenCommand(openCmd, params);
 419 }
 420
 421 wxString wxFileType::GetOpenCommand(const wxString& filename) const
 422 {
 423     wxString cmd;
 424     if ( !GetOpenCommand(&cmd, filename) )
 425     {
 426         // return empty string to indicate an error
 427         cmd.clear();
 428     }
 429
 430     return cmd;
 431 }
 432
 433 bool
 434 wxFileType::GetPrintCommand(wxString *printCmd,
 435                             const wxFileType::MessageParameters& params) const
 436 {
 437     wxCHECK_MSG( printCmd, false, _T("invalid parameter in GetPrintCommand") );
 438
 439     if ( m_info )
 440     {
 441         *printCmd = ExpandCommand(m_info->GetPrintCommand(), params);
 442
 443         return true;
 444     }
 445
 446     return m_impl->GetPrintCommand(printCmd, params);
 447 }
 448
 449
 450 size_t wxFileType::GetAllCommands(wxArrayString *verbs,
 451                                   wxArrayString *commands,
 452                                   const wxFileType::MessageParameters& params) const
 453 {
 454     if ( verbs )
 455         verbs->Clear();
 456     if ( commands )
 457         commands->Clear();
 458
 459 #if defined (__WXMSW__)  || defined(__UNIX__)
 460     return m_impl->GetAllCommands(verbs, commands, params);
 461 #else // !__WXMSW__ || Unix
 462     // we don't know how to retrieve all commands, so just try the 2 we know
 463     // about
 464     size_t count = 0;
 465     wxString cmd;
 466     if ( GetOpenCommand(&cmd, params) )
 467     {
 468         if ( verbs )
 469             verbs->Add(_T("Open"));
 470         if ( commands )
 471             commands->Add(cmd);
 472         count++;
 473     }
 474
 475     if ( GetPrintCommand(&cmd, params) )
 476     {
 477         if ( verbs )
 478             verbs->Add(_T("Print"));
 479         if ( commands )
 480             commands->Add(cmd);
 481
 482         count++;
 483     }
 484
 485     return count;
 486 #endif // __WXMSW__/| __UNIX__
 487 }
 488
 489 bool wxFileType::Unassociate()
 490 {
 491 #if defined(__WXMSW__)
 492     return m_impl->Unassociate();
 493 #elif defined(__UNIX__)
 494     return m_impl->Unassociate(this);
 495 #else
 496     wxFAIL_MSG( _T("not implemented") ); // TODO
 497     return false;
 498 #endif
 499 }
 500
 501 bool wxFileType::SetCommand(const wxString& cmd,
 502                             const wxString& verb,
 503                             bool overwriteprompt)
 504 {
 505 #if defined (__WXMSW__)  || defined(__UNIX__)
 506     return m_impl->SetCommand(cmd, verb, overwriteprompt);
 507 #else
 508     wxUnusedVar(cmd);
 509     wxUnusedVar(verb);
 510     wxUnusedVar(overwriteprompt);
 511     wxFAIL_MSG(_T("not implemented"));
 512     return false;
 513 #endif
 514 }
 515
 516 bool wxFileType::SetDefaultIcon(const wxString& cmd, int index)
 517 {
 518     wxString sTmp = cmd;
 519 #ifdef __WXMSW__
 520     // VZ: should we do this?
 521     // chris elliott : only makes sense in MS windows
 522     if ( sTmp.empty() )
 523         GetOpenCommand(&sTmp, wxFileType::MessageParameters(wxEmptyString, wxEmptyString));
 524 #endif
 525     wxCHECK_MSG( !sTmp.empty(), false, _T("need the icon file") );
 526
 527 #if defined (__WXMSW__) || defined(__UNIX__)
 528     return m_impl->SetDefaultIcon (cmd, index);
 529 #else
 530     wxUnusedVar(index);
 531     wxFAIL_MSG(_T("not implemented"));
 532     return false;
 533 #endif
 534 }
 535
 536 // ----------------------------------------------------------------------------
 537 // wxMimeTypesManagerFactory
 538 // ----------------------------------------------------------------------------
 539
 540 wxMimeTypesManagerFactory *wxMimeTypesManagerFactory::m_factory = NULL;
 541
 542 /* static */
 543 void wxMimeTypesManagerFactory::Set(wxMimeTypesManagerFactory *factory)
 544 {
 545     delete m_factory;
 546
 547     m_factory = factory;
 548 }
 549
 550 /* static */
 551 wxMimeTypesManagerFactory *wxMimeTypesManagerFactory::Get()
 552 {
 553     if ( !m_factory )
 554         m_factory = new wxMimeTypesManagerFactory;
 555
 556     return m_factory;
 557 }
 558
 559 wxMimeTypesManagerImpl *wxMimeTypesManagerFactory::CreateMimeTypesManagerImpl()
 560 {
 561     return new wxMimeTypesManagerImpl;
 562 }
 563
 564 // ----------------------------------------------------------------------------
 565 // wxMimeTypesManager
 566 // ----------------------------------------------------------------------------
 567
 568 void wxMimeTypesManager::EnsureImpl()
 569 {
 570     if ( !m_impl )
 571         m_impl = wxMimeTypesManagerFactory::Get()->CreateMimeTypesManagerImpl();
 572 }
 573
 574 bool wxMimeTypesManager::IsOfType(const wxString& mimeType,
 575                                   const wxString& wildcard)
 576 {
 577     wxASSERT_MSG( mimeType.Find(wxT('*')) == wxNOT_FOUND,
 578                   wxT("first MIME type can't contain wildcards") );
 579
 580     // all comparaisons are case insensitive (2nd arg of IsSameAs() is false)
 581     if ( wildcard.BeforeFirst(wxT('/')).
 582             IsSameAs(mimeType.BeforeFirst(wxT('/')), false) )
 583     {
 584         wxString strSubtype = wildcard.AfterFirst(wxT('/'));
 585
 586         if ( strSubtype == wxT("*") ||
 587              strSubtype.IsSameAs(mimeType.AfterFirst(wxT('/')), false) )
 588         {
 589             // matches (either exactly or it's a wildcard)
 590             return true;
 591         }
 592     }
 593
 594     return false;
 595 }
 596
 597 wxMimeTypesManager::wxMimeTypesManager()
 598 {
 599     m_impl = NULL;
 600 }
 601
 602 wxMimeTypesManager::~wxMimeTypesManager()
 603 {
 604     if ( m_impl )
 605         delete m_impl;
 606 }
 607
 608 bool wxMimeTypesManager::Unassociate(wxFileType *ft)
 609 {
 610     EnsureImpl();
 611
 612 #if defined(__UNIX__) && !defined(__CYGWIN__) && !defined(__WINE__)
 613     return m_impl->Unassociate(ft);
 614 #else
 615     return ft->Unassociate();
 616 #endif
 617 }
 618
 619
 620 wxFileType *
 621 wxMimeTypesManager::Associate(const wxFileTypeInfo& ftInfo)
 622 {
 623     EnsureImpl();
 624
 625 #if defined(__WXMSW__) || defined(__UNIX__)
 626     return m_impl->Associate(ftInfo);
 627 #else // other platforms
 628     wxUnusedVar(ftInfo);
 629     wxFAIL_MSG( _T("not implemented") ); // TODO
 630     return NULL;
 631 #endif // platforms
 632 }
 633
 634 wxFileType *
 635 wxMimeTypesManager::GetFileTypeFromExtension(const wxString& ext)
 636 {
 637     EnsureImpl();
 638     wxFileType *ft = m_impl->GetFileTypeFromExtension(ext);
 639
 640     if ( !ft ) {
 641         // check the fallbacks
 642         //
 643         // TODO linear search is potentially slow, perhaps we should use a
 644         //       sorted array?
 645         size_t count = m_fallbacks.GetCount();
 646         for ( size_t n = 0; n < count; n++ ) {
 647             if ( m_fallbacks[n].GetExtensions().Index(ext) != wxNOT_FOUND ) {
 648                 ft = new wxFileType(m_fallbacks[n]);
 649
 650                 break;
 651             }
 652         }
 653     }
 654
 655     return ft;
 656 }
 657
 658 wxFileType *
 659 wxMimeTypesManager::GetFileTypeFromMimeType(const wxString& mimeType)
 660 {
 661     EnsureImpl();
 662     wxFileType *ft = m_impl->GetFileTypeFromMimeType(mimeType);
 663
 664     if ( !ft ) {
 665         // check the fallbacks
 666         //
 667         // TODO linear search is potentially slow, perhaps we should use a
 668         //      sorted array?
 669         size_t count = m_fallbacks.GetCount();
 670         for ( size_t n = 0; n < count; n++ ) {
 671             if ( wxMimeTypesManager::IsOfType(mimeType,
 672                                               m_fallbacks[n].GetMimeType()) ) {
 673                 ft = new wxFileType(m_fallbacks[n]);
 674
 675                 break;
 676             }
 677         }
 678     }
 679
 680     return ft;
 681 }
 682
 683 bool wxMimeTypesManager::ReadMailcap(const wxString& filename, bool fallback)
 684 {
 685     EnsureImpl();
 686     return m_impl->ReadMailcap(filename, fallback);
 687 }
 688
 689 bool wxMimeTypesManager::ReadMimeTypes(const wxString& filename)
 690 {
 691     EnsureImpl();
 692     return m_impl->ReadMimeTypes(filename);
 693 }
 694
 695 void wxMimeTypesManager::AddFallbacks(const wxFileTypeInfo *filetypes)
 696 {
 697     EnsureImpl();
 698     for ( const wxFileTypeInfo *ft = filetypes; ft && ft->IsValid(); ft++ ) {
 699         AddFallback(*ft);
 700     }
 701 }
 702
 703 size_t wxMimeTypesManager::EnumAllFileTypes(wxArrayString& mimetypes)
 704 {
 705     EnsureImpl();
 706     size_t countAll = m_impl->EnumAllFileTypes(mimetypes);
 707
 708     // add the fallback filetypes
 709     size_t count = m_fallbacks.GetCount();
 710     for ( size_t n = 0; n < count; n++ ) {
 711         if ( mimetypes.Index(m_fallbacks[n].GetMimeType()) == wxNOT_FOUND ) {
 712             mimetypes.Add(m_fallbacks[n].GetMimeType());
 713             countAll++;
 714         }
 715     }
 716
 717     return countAll;
 718 }
 719
 720 void wxMimeTypesManager::Initialize(int mcapStyle,
 721                                     const wxString& sExtraDir)
 722 {
 723 #if defined(__UNIX__) && !defined(__CYGWIN__) && !defined(__WINE__)
 724     EnsureImpl();
 725
 726     m_impl->Initialize(mcapStyle, sExtraDir);
 727 #else
 728     (void)mcapStyle;
 729     (void)sExtraDir;
 730 #endif // Unix
 731 }
 732
 733 // and this function clears all the data from the manager
 734 void wxMimeTypesManager::ClearData()
 735 {
 736 #if defined(__UNIX__) && !defined(__CYGWIN__) && !defined(__WINE__)
 737     EnsureImpl();
 738
 739     m_impl->ClearData();
 740 #endif // Unix
 741 }
 742
 743 // ----------------------------------------------------------------------------
 744 // global data and wxMimeTypeCmnModule
 745 // ----------------------------------------------------------------------------
 746
 747 // private object
 748 static wxMimeTypesManager gs_mimeTypesManager;
 749
 750 // and public pointer
 751 wxMimeTypesManager *wxTheMimeTypesManager = &gs_mimeTypesManager;
 752
 753 class wxMimeTypeCmnModule: public wxModule
 754 {
 755 public:
 756     wxMimeTypeCmnModule() : wxModule() { }
 757
 758     virtual bool OnInit() { return true; }
 759     virtual void OnExit()
 760     {
 761         wxMimeTypesManagerFactory::Set(NULL);
 762
 763         if ( gs_mimeTypesManager.m_impl != NULL )
 764         {
 765             delete gs_mimeTypesManager.m_impl;
 766             gs_mimeTypesManager.m_impl = NULL;
 767             gs_mimeTypesManager.m_fallbacks.Clear();
 768         }
 769     }
 770
 771     DECLARE_DYNAMIC_CLASS(wxMimeTypeCmnModule)
 772 };
 773
 774 IMPLEMENT_DYNAMIC_CLASS(wxMimeTypeCmnModule, wxModule)
 775
 776 #endif // wxUSE_MIMETYPE