src/unix/mimetype.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/unix/mimetype.cpp
   3 // Purpose:     classes and functions to manage MIME types
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     23.09.98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
   9 // Licence:     wxWindows licence (part of wxExtra library)
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // for compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __BORLANDC__
  16     #pragma hdrstop
  17 #endif
  18
  19 #if wxUSE_MIMETYPE && wxUSE_FILE
  20
  21 #include "wx/unix/mimetype.h"
  22
  23 #ifndef WX_PRECOMP
  24     #include "wx/dynarray.h"
  25     #include "wx/string.h"
  26     #include "wx/intl.h"
  27     #include "wx/log.h"
  28     #include "wx/utils.h"
  29 #endif
  30
  31 #include "wx/file.h"
  32 #include "wx/confbase.h"
  33
  34 #include "wx/ffile.h"
  35 #include "wx/dir.h"
  36 #include "wx/tokenzr.h"
  37 #include "wx/iconloc.h"
  38 #include "wx/filename.h"
  39 #include "wx/app.h"
  40 #include "wx/apptrait.h"
  41
  42 // other standard headers
  43 #include <ctype.h>
  44
  45 class wxMimeTextFile
  46 {
  47 public:
  48     wxMimeTextFile()
  49     {
  50     }
  51
  52     wxMimeTextFile(const wxString& fname)
  53     {
  54        m_fname = fname;
  55     }
  56
  57     bool Open()
  58     {
  59        wxFFile file( m_fname );
  60        if (!file.IsOpened())
  61           return false;
  62
  63        size_t size = file.Length();
  64        wxCharBuffer buffer( size );
  65        file.Read( (void*) (const char*) buffer, size );
  66
  67        // Check for valid UTF-8 here?
  68        wxString all = wxString::FromUTF8( buffer, size );
  69
  70        wxStringTokenizer tok( all, "\n" );
  71        while (tok.HasMoreTokens())
  72        {
  73           wxString t = tok.GetNextToken();
  74           t.MakeLower();
  75           if ((!!t) && (t.Find( "comment" ) != 0) && (t.Find( "#" ) != 0) && (t.Find( "generic" ) != 0))
  76              m_text.Add( t );
  77        }
  78        return true;
  79     }
  80
  81     unsigned int GetLineCount() const { return m_text.GetCount(); }
  82     wxString &GetLine( unsigned int line ) { return m_text[line]; }
  83
  84     int pIndexOf(const wxString& sSearch,
  85                  bool bIncludeComments = false,
  86                  int iStart = 0)
  87     {
  88         wxString sTest = sSearch;
  89         sTest.MakeLower();
  90         for(size_t i = iStart; i < GetLineCount(); i++)
  91         {
  92             wxString sLine = GetLine(i);
  93             if(bIncludeComments || ! sLine.StartsWith(wxT("#")))
  94             {
  95                 if(sLine.StartsWith(sTest))
  96                     return (int)i;
  97             }
  98         }
  99         return wxNOT_FOUND;
 100     }
 101
 102     wxString GetVerb(size_t i)
 103     {
 104         if (i > GetLineCount() )
 105             return wxEmptyString;
 106
 107         wxString sTmp = GetLine(i).BeforeFirst(wxT('='));
 108         return sTmp;
 109     }
 110
 111     wxString GetCmd(size_t i)
 112     {
 113         if (i > GetLineCount() )
 114             return wxEmptyString;
 115
 116         wxString sTmp = GetLine(i).AfterFirst(wxT('='));
 117         return sTmp;
 118     }
 119
 120 private:
 121     wxArrayString m_text;
 122     wxString m_fname;
 123 };
 124
 125 // ----------------------------------------------------------------------------
 126 // constants
 127 // ----------------------------------------------------------------------------
 128
 129 // MIME code tracing mask
 130 #define TRACE_MIME wxT("mime")
 131
 132
 133 // Read a XDG *.desktop file of type 'Application'
 134 void wxMimeTypesManagerImpl::LoadXDGApp(const wxString& filename)
 135 {
 136     wxLogTrace(TRACE_MIME, wxT("loading XDG file %s"), filename.c_str());
 137
 138     wxMimeTextFile file(filename);
 139     if ( !file.Open() )
 140         return;
 141
 142     // Here, only type 'Application' should be considered.
 143     int nIndex = file.pIndexOf( "Type=" );
 144     if (nIndex != wxNOT_FOUND && file.GetCmd(nIndex) != "application")
 145         return;
 146
 147     // The hidden entry specifies a file to be ignored.
 148     nIndex = file.pIndexOf( "Hidden=" );
 149     if (nIndex != wxNOT_FOUND && file.GetCmd(nIndex) == "true")
 150         return;
 151
 152     // Semicolon separated list of mime types handled by the application.
 153     nIndex = file.pIndexOf( wxT("MimeType=") );
 154     if (nIndex == wxNOT_FOUND)
 155         return;
 156     wxString mimetypes = file.GetCmd (nIndex);
 157
 158     // Name of the application
 159     wxString nameapp;
 160     nIndex = wxNOT_FOUND;
 161 #if wxUSE_INTL // try "Name[locale name]" first
 162     wxLocale *locale = wxGetLocale();
 163     if ( locale )
 164         nIndex = file.pIndexOf(_T("Name[")+locale->GetName()+_T("]="));
 165 #endif // wxUSE_INTL
 166     if(nIndex == wxNOT_FOUND)
 167         nIndex = file.pIndexOf( wxT("Name=") );
 168     if(nIndex != wxNOT_FOUND)
 169         nameapp = file.GetCmd(nIndex);
 170
 171     // Icon of the application.
 172     wxString nameicon, namemini;
 173     nIndex = wxNOT_FOUND;
 174 #if wxUSE_INTL // try "Icon[locale name]" first
 175     if ( locale )
 176         nIndex = file.pIndexOf(_T("Icon[")+locale->GetName()+_T("]="));
 177 #endif // wxUSE_INTL
 178     if(nIndex == wxNOT_FOUND)
 179         nIndex = file.pIndexOf( wxT("Icon=") );
 180     if(nIndex != wxNOT_FOUND) {
 181         nameicon = wxString(wxT("--icon ")) + file.GetCmd(nIndex);
 182         namemini = wxString(wxT("--miniicon ")) + file.GetCmd(nIndex);
 183     }
 184
 185     // Replace some of the field code in the 'Exec' entry.
 186     // TODO: deal with %d, %D, %n, %N, %k and %v (but last one is deprecated)
 187     nIndex = file.pIndexOf( wxT("Exec=") );
 188     if (nIndex == wxNOT_FOUND)
 189         return;
 190     wxString sCmd = file.GetCmd(nIndex);
 191     // we expect %f; others including  %F and %U and %u are possible
 192     sCmd.Replace(wxT("%F"), wxT("%f"));
 193     sCmd.Replace(wxT("%U"), wxT("%f"));
 194     sCmd.Replace(wxT("%u"), wxT("%f"));
 195     if (0 == sCmd.Replace ( wxT("%f"), wxT("%s") ))
 196         sCmd = sCmd + wxT(" %s");
 197     sCmd.Replace(wxT("%c"), nameapp);
 198     sCmd.Replace(wxT("%i"), nameicon);
 199     sCmd.Replace(wxT("%m"), namemini);
 200
 201     wxStringTokenizer tokenizer(mimetypes, _T(";"));
 202     while(tokenizer.HasMoreTokens()) {
 203         wxString mimetype = tokenizer.GetNextToken().Lower();
 204         nIndex = m_aTypes.Index(mimetype);
 205         if(nIndex != wxNOT_FOUND) { // is this a known MIME type?
 206             wxMimeTypeCommands* entry = m_aEntries[nIndex];
 207             entry->AddOrReplaceVerb(wxT("open"), sCmd);
 208         }
 209     }
 210 }
 211
 212 void wxMimeTypesManagerImpl::LoadXDGAppsFilesFromDir(const wxString& dirname)
 213 {
 214     // Don't complain if we don't have permissions to read - it confuses users
 215     wxLogNull logNull;
 216
 217     if(! wxDir::Exists(dirname))
 218         return;
 219     wxDir dir(dirname);
 220     if ( !dir.IsOpened() )
 221         return;
 222
 223     wxString filename;
 224     // Look into .desktop files
 225     bool cont = dir.GetFirst(&filename, _T("*.desktop"), wxDIR_FILES);
 226     while (cont)
 227     {
 228         wxFileName p(dirname, filename);
 229         LoadXDGApp( p.GetFullPath() );
 230         cont = dir.GetNext(&filename);
 231     }
 232
 233 #if 0
 234     // RR: I'm not sure this makes any sense. On my system we'll just
 235     //     scan the YAST2 and other useless directories
 236
 237     // Look recursively into subdirs
 238     cont = dir.GetFirst(&filename, wxEmptyString, wxDIR_DIRS);
 239     while (cont)
 240     {
 241         wxFileName p(dirname, wxEmptyString);
 242         p.AppendDir(filename);
 243         LoadXDGAppsFilesFromDir( p.GetPath() );
 244         cont = dir.GetNext(&filename);
 245     }
 246 #endif
 247 }
 248
 249
 250 void wxMimeTypesManagerImpl::LoadXDGGlobs(const wxString& filename)
 251 {
 252     if ( !wxFileName::FileExists(filename) )
 253         return;
 254
 255     wxLogTrace(TRACE_MIME, wxT("loading XDG globs file from %s"), filename.c_str());
 256
 257     wxMimeTextFile file(filename);
 258     if ( !file.Open() )
 259         return;
 260
 261     size_t i;
 262     for (i = 0; i < file.GetLineCount(); i++)
 263     {
 264        wxStringTokenizer tok( file.GetLine(i), ":" );
 265        wxString mime = tok.GetNextToken();
 266        wxString ext = tok.GetNextToken();
 267        ext.Remove( 0, 2 );
 268        wxArrayString exts;
 269        exts.Add( ext );
 270
 271        if (mime.Find( "application" ) != 0)
 272            AddToMimeData(mime, wxEmptyString, NULL, exts, wxEmptyString, true );
 273     }
 274 }
 275
 276 // ----------------------------------------------------------------------------
 277 // wxFileTypeImpl (Unix)
 278 // ----------------------------------------------------------------------------
 279
 280 wxString wxFileTypeImpl::GetExpandedCommand(const wxString & verb, const wxFileType::MessageParameters& params) const
 281 {
 282     wxString sTmp;
 283     size_t i = 0;
 284     while ( (i < m_index.GetCount() ) && sTmp.empty() )
 285     {
 286         sTmp = m_manager->GetCommand( verb, m_index[i] );
 287         i++;
 288     }
 289
 290     return wxFileType::ExpandCommand(sTmp, params);
 291 }
 292
 293 bool wxFileTypeImpl::GetIcon(wxIconLocation *iconLoc) const
 294 {
 295     wxString sTmp;
 296     size_t i = 0;
 297     while ( (i < m_index.GetCount() ) && sTmp.empty() )
 298     {
 299         sTmp = m_manager->m_aIcons[m_index[i]];
 300         i++;
 301     }
 302
 303     if ( sTmp.empty() )
 304         return false;
 305
 306     if ( iconLoc )
 307     {
 308         iconLoc->SetFileName(sTmp);
 309     }
 310
 311     return true;
 312 }
 313
 314 bool wxFileTypeImpl::GetMimeTypes(wxArrayString& mimeTypes) const
 315 {
 316     mimeTypes.Clear();
 317     size_t nCount = m_index.GetCount();
 318     for (size_t i = 0; i < nCount; i++)
 319         mimeTypes.Add(m_manager->m_aTypes[m_index[i]]);
 320
 321     return true;
 322 }
 323
 324 size_t wxFileTypeImpl::GetAllCommands(wxArrayString *verbs,
 325                                   wxArrayString *commands,
 326                                   const wxFileType::MessageParameters& params) const
 327 {
 328     wxString vrb, cmd, sTmp;
 329     size_t count = 0;
 330     wxMimeTypeCommands * sPairs;
 331
 332     // verbs and commands have been cleared already in mimecmn.cpp...
 333     // if we find no entries in the exact match, try the inexact match
 334     for (size_t n = 0; ((count == 0) && (n < m_index.GetCount())); n++)
 335     {
 336         // list of verb = command pairs for this mimetype
 337         sPairs = m_manager->m_aEntries [m_index[n]];
 338         size_t i;
 339         for ( i = 0; i < sPairs->GetCount(); i++ )
 340         {
 341             vrb = sPairs->GetVerb(i);
 342             // some gnome entries have "." inside
 343             vrb = vrb.AfterLast(wxT('.'));
 344             cmd = sPairs->GetCmd(i);
 345             if (! cmd.empty() )
 346             {
 347                  cmd = wxFileType::ExpandCommand(cmd, params);
 348                  count++;
 349                  if ( vrb.IsSameAs(wxT("open")))
 350                  {
 351                      if ( verbs )
 352                         verbs->Insert(vrb, 0u);
 353                      if ( commands )
 354                         commands ->Insert(cmd, 0u);
 355                  }
 356                  else
 357                  {
 358                      if ( verbs )
 359                         verbs->Add(vrb);
 360                      if ( commands )
 361                         commands->Add(cmd);
 362                  }
 363              }
 364         }
 365     }
 366
 367     return count;
 368 }
 369
 370 bool wxFileTypeImpl::GetExtensions(wxArrayString& extensions)
 371 {
 372     const wxString strExtensions = m_manager->GetExtension(m_index[0]);
 373     extensions.Empty();
 374
 375     // one extension in the space or comma-delimited list
 376     wxString strExt;
 377     wxString::const_iterator end = strExtensions.end();
 378     for ( wxString::const_iterator p = strExtensions.begin(); /* nothing */; ++p )
 379     {
 380         if ( p == end || *p == wxT(' ') || *p == wxT(',') )
 381         {
 382             if ( !strExt.empty() )
 383             {
 384                 extensions.Add(strExt);
 385                 strExt.Empty();
 386             }
 387             //else: repeated spaces
 388             // (shouldn't happen, but it's not that important if it does happen)
 389
 390             if ( p == end )
 391                 break;
 392         }
 393         else if ( *p == wxT('.') )
 394         {
 395             // remove the dot from extension (but only if it's the first char)
 396             if ( !strExt.empty() )
 397             {
 398                 strExt += wxT('.');
 399             }
 400             //else: no, don't append it
 401         }
 402         else
 403         {
 404             strExt += *p;
 405         }
 406     }
 407
 408     return true;
 409 }
 410
 411 // set an arbitrary command:
 412 // could adjust the code to ask confirmation if it already exists and
 413 // overwriteprompt is true, but this is currently ignored as *Associate* has
 414 // no overwrite prompt
 415 bool
 416 wxFileTypeImpl::SetCommand(const wxString& cmd,
 417                            const wxString& verb,
 418                            bool WXUNUSED(overwriteprompt))
 419 {
 420     wxArrayString strExtensions;
 421     wxString strDesc, strIcon;
 422
 423     wxArrayString strTypes;
 424     GetMimeTypes(strTypes);
 425     if ( strTypes.IsEmpty() )
 426         return false;
 427
 428     wxMimeTypeCommands *entry = new wxMimeTypeCommands();
 429     entry->Add(verb + wxT("=")  + cmd + wxT(" %s "));
 430
 431     bool ok = false;
 432     size_t nCount = strTypes.GetCount();
 433     for ( size_t i = 0; i < nCount; i++ )
 434     {
 435         if ( m_manager->DoAssociation
 436                         (
 437                             strTypes[i],
 438                             strIcon,
 439                             entry,
 440                             strExtensions,
 441                             strDesc
 442                         ) )
 443         {
 444             // DoAssociation() took ownership of entry, don't delete it below
 445             ok = true;
 446         }
 447     }
 448
 449     if ( !ok )
 450         delete entry;
 451
 452     return ok;
 453 }
 454
 455 // ignore index on the grounds that we only have one icon in a Unix file
 456 bool wxFileTypeImpl::SetDefaultIcon(const wxString& strIcon, int WXUNUSED(index))
 457 {
 458     if (strIcon.empty())
 459         return false;
 460
 461     wxArrayString strExtensions;
 462     wxString strDesc;
 463
 464     wxArrayString strTypes;
 465     GetMimeTypes(strTypes);
 466     if ( strTypes.IsEmpty() )
 467         return false;
 468
 469     wxMimeTypeCommands *entry = new wxMimeTypeCommands();
 470     bool ok = false;
 471     size_t nCount = strTypes.GetCount();
 472     for ( size_t i = 0; i < nCount; i++ )
 473     {
 474         if ( m_manager->DoAssociation
 475                         (
 476                             strTypes[i],
 477                             strIcon,
 478                             entry,
 479                             strExtensions,
 480                             strDesc
 481                         ) )
 482         {
 483             // we don't need to free entry now, DoAssociation() took ownership
 484             // of it
 485             ok = true;
 486         }
 487     }
 488
 489     if ( !ok )
 490         delete entry;
 491
 492     return ok;
 493 }
 494
 495 // ----------------------------------------------------------------------------
 496 // wxMimeTypesManagerImpl (Unix)
 497 // ----------------------------------------------------------------------------
 498
 499 wxMimeTypesManagerImpl::wxMimeTypesManagerImpl()
 500 {
 501     m_initialized = false;
 502 }
 503
 504 void wxMimeTypesManagerImpl::InitIfNeeded()
 505 {
 506     if ( !m_initialized )
 507     {
 508         // set the flag first to prevent recursion
 509         m_initialized = true;
 510
 511         wxString wm = wxTheApp->GetTraits()->GetDesktopEnvironment();
 512
 513         if (wm == wxT("KDE"))
 514             Initialize( wxMAILCAP_KDE  );
 515         else if (wm == wxT("GNOME"))
 516             Initialize( wxMAILCAP_GNOME );
 517         else
 518             Initialize();
 519     }
 520 }
 521
 522
 523
 524 // read system and user mailcaps and other files
 525 void wxMimeTypesManagerImpl::Initialize(int mailcapStyles,
 526                                         const wxString& sExtraDir)
 527 {
 528 #ifdef __VMS
 529     // XDG tables are never installed on OpenVMS
 530     return;
 531 #else
 532
 533     // Read MIME type - extension associations
 534     LoadXDGGlobs( "/usr/share/mime/globs" );
 535     LoadXDGGlobs( "/usr/local/share/mime/globs" );
 536
 537     // Load desktop files for XDG, and then override them with the defaults.
 538     // We will override them one desktop file at a time, rather
 539     // than one mime type at a time, but it should be a reasonable
 540     // heuristic.
 541     {
 542         wxString xdgDataHome = wxGetenv("XDG_DATA_HOME");
 543         if ( xdgDataHome.empty() )
 544             xdgDataHome = wxGetHomeDir() + "/.local/share";
 545         wxString xdgDataDirs = wxGetenv("XDG_DATA_DIRS");
 546         if ( xdgDataDirs.empty() )
 547         {
 548             xdgDataDirs = "/usr/local/share:/usr/share";
 549             if (mailcapStyles & wxMAILCAP_GNOME)
 550                 xdgDataDirs += ":/usr/share/gnome:/opt/gnome/share";
 551             if (mailcapStyles & wxMAILCAP_KDE)
 552                 xdgDataDirs += ":/usr/share/kde3:/opt/kde3/share";
 553         }
 554         if ( !sExtraDir.empty() )
 555         {
 556            xdgDataDirs += ':';
 557            xdgDataDirs += sExtraDir;
 558         }
 559
 560         wxArrayString dirs;
 561         wxStringTokenizer tokenizer(xdgDataDirs, ":");
 562         while ( tokenizer.HasMoreTokens() )
 563         {
 564             wxString p = tokenizer.GetNextToken();
 565             dirs.Add(p);
 566         }
 567         dirs.insert(dirs.begin(), xdgDataHome);
 568
 569         wxString defaultsList;
 570         size_t i;
 571         for (i = 0; i < dirs.GetCount(); i++)
 572         {
 573             wxString f = dirs[i];
 574             if (f.Last() != '/') f += '/';
 575             f += "applications/defaults.list";
 576             if (wxFileExists(f))
 577             {
 578                 defaultsList = f;
 579                 break;
 580             }
 581         }
 582
 583         // Load application files and associate them to corresponding mime types.
 584         size_t nDirs = dirs.GetCount();
 585         for (size_t nDir = 0; nDir < nDirs; nDir++)
 586         {
 587             wxString dirStr = dirs[nDir];
 588             if (dirStr.Last() != '/') dirStr += '/';
 589             dirStr += "applications";
 590             LoadXDGAppsFilesFromDir(dirStr);
 591         }
 592
 593         if (!defaultsList.IsEmpty())
 594         {
 595             wxArrayString deskTopFilesSeen;
 596
 597             wxMimeTextFile textfile(defaultsList);
 598             if ( textfile.Open() )
 599             {
 600                 int nIndex = textfile.pIndexOf( wxT("[Default Applications]") );
 601                 if (nIndex != wxNOT_FOUND)
 602                 {
 603                     for (i = nIndex+1; i < textfile.GetLineCount(); i++)
 604                     {
 605                         if (textfile.GetLine(i).Find(wxT("=")) != wxNOT_FOUND)
 606                         {
 607                             wxString desktopFile = textfile.GetCmd(i);
 608
 609                             if (deskTopFilesSeen.Index(desktopFile) == wxNOT_FOUND)
 610                             {
 611                                 deskTopFilesSeen.Add(desktopFile);
 612                                 size_t j;
 613                                 for (j = 0; j < dirs.GetCount(); j++)
 614                                 {
 615                                     wxString desktopPath = dirs[j];
 616                                     if (desktopPath.Last() != '/') desktopPath += '/';
 617                                     desktopPath += "applications/";
 618                                     desktopPath += desktopFile;
 619
 620                                     if (wxFileExists(desktopPath))
 621                                         LoadXDGApp(desktopPath);
 622                                 }
 623                             }
 624                         }
 625                     }
 626                 }
 627             }
 628         }
 629     }
 630 #endif
 631 }
 632
 633 // clear data so you can read another group of WM files
 634 void wxMimeTypesManagerImpl::ClearData()
 635 {
 636     m_aTypes.Clear();
 637     m_aIcons.Clear();
 638     m_aExtensions.Clear();
 639     m_aDescriptions.Clear();
 640
 641     WX_CLEAR_ARRAY(m_aEntries);
 642     m_aEntries.Empty();
 643 }
 644
 645 wxMimeTypesManagerImpl::~wxMimeTypesManagerImpl()
 646 {
 647     ClearData();
 648 }
 649
 650 wxFileType * wxMimeTypesManagerImpl::Associate(const wxFileTypeInfo& ftInfo)
 651 {
 652     InitIfNeeded();
 653
 654     wxString strType = ftInfo.GetMimeType();
 655     wxString strDesc = ftInfo.GetDescription();
 656     wxString strIcon = ftInfo.GetIconFile();
 657
 658     wxMimeTypeCommands *entry = new wxMimeTypeCommands();
 659
 660     if ( ! ftInfo.GetOpenCommand().empty())
 661         entry->Add(wxT("open=")  + ftInfo.GetOpenCommand() + wxT(" %s "));
 662     if ( ! ftInfo.GetPrintCommand().empty())
 663         entry->Add(wxT("print=") + ftInfo.GetPrintCommand() + wxT(" %s "));
 664
 665     // now find where these extensions are in the data store and remove them
 666     wxArrayString sA_Exts = ftInfo.GetExtensions();
 667     wxString sExt, sExtStore;
 668     size_t i, nIndex;
 669     size_t nExtCount = sA_Exts.GetCount();
 670     for (i=0; i < nExtCount; i++)
 671     {
 672         sExt = sA_Exts.Item(i);
 673
 674         // clean up to just a space before and after
 675         sExt.Trim().Trim(false);
 676         sExt = wxT(' ') + sExt + wxT(' ');
 677         size_t nCount = m_aExtensions.GetCount();
 678         for (nIndex = 0; nIndex < nCount; nIndex++)
 679         {
 680             sExtStore = m_aExtensions.Item(nIndex);
 681             if (sExtStore.Replace(sExt, wxT(" ") ) > 0)
 682                 m_aExtensions.Item(nIndex) = sExtStore;
 683         }
 684     }
 685
 686     if ( !DoAssociation(strType, strIcon, entry, sA_Exts, strDesc) )
 687         return NULL;
 688
 689     return GetFileTypeFromMimeType(strType);
 690 }
 691
 692 bool wxMimeTypesManagerImpl::DoAssociation(const wxString& strType,
 693                                            const wxString& strIcon,
 694                                            wxMimeTypeCommands *entry,
 695                                            const wxArrayString& strExtensions,
 696                                            const wxString& strDesc)
 697 {
 698     int nIndex = AddToMimeData(strType, strIcon, entry, strExtensions, strDesc, true);
 699
 700     if ( nIndex == wxNOT_FOUND )
 701         return false;
 702
 703     return true;
 704 }
 705
 706 int wxMimeTypesManagerImpl::AddToMimeData(const wxString& strType,
 707                                           const wxString& strIcon,
 708                                           wxMimeTypeCommands *entry,
 709                                           const wxArrayString& strExtensions,
 710                                           const wxString& strDesc,
 711                                           bool replaceExisting)
 712 {
 713     InitIfNeeded();
 714
 715     // ensure mimetype is always lower case
 716     wxString mimeType = strType.Lower();
 717
 718     // is this a known MIME type?
 719     int nIndex = m_aTypes.Index(mimeType);
 720     if ( nIndex == wxNOT_FOUND )
 721     {
 722         // new file type
 723         m_aTypes.Add(mimeType);
 724         m_aIcons.Add(strIcon);
 725         m_aEntries.Add(entry ? entry : new wxMimeTypeCommands);
 726
 727         // change nIndex so we can use it below to add the extensions
 728         m_aExtensions.Add(wxEmptyString);
 729         nIndex = m_aExtensions.size() - 1;
 730
 731         m_aDescriptions.Add(strDesc);
 732     }
 733     else // yes, we already have it
 734     {
 735         if ( replaceExisting )
 736         {
 737             // if new description change it
 738             if ( !strDesc.empty())
 739                 m_aDescriptions[nIndex] = strDesc;
 740
 741             // if new icon change it
 742             if ( !strIcon.empty())
 743                 m_aIcons[nIndex] = strIcon;
 744
 745             if ( entry )
 746             {
 747                 delete m_aEntries[nIndex];
 748                 m_aEntries[nIndex] = entry;
 749             }
 750         }
 751         else // add data we don't already have ...
 752         {
 753             // if new description add only if none
 754             if ( m_aDescriptions[nIndex].empty() )
 755                 m_aDescriptions[nIndex] = strDesc;
 756
 757             // if new icon and no existing icon
 758             if ( m_aIcons[nIndex].empty() )
 759                 m_aIcons[nIndex] = strIcon;
 760
 761             // add any new entries...
 762             if ( entry )
 763             {
 764                 wxMimeTypeCommands *entryOld = m_aEntries[nIndex];
 765
 766                 size_t count = entry->GetCount();
 767                 for ( size_t i = 0; i < count; i++ )
 768                 {
 769                     const wxString& verb = entry->GetVerb(i);
 770                     if ( !entryOld->HasVerb(verb) )
 771                     {
 772                         entryOld->AddOrReplaceVerb(verb, entry->GetCmd(i));
 773                     }
 774                 }
 775
 776                 // as we don't store it anywhere, it won't be deleted later as
 777                 // usual -- do it immediately instead
 778                 delete entry;
 779             }
 780         }
 781     }
 782
 783     // always add the extensions to this mimetype
 784     wxString& exts = m_aExtensions[nIndex];
 785
 786     // add all extensions we don't have yet
 787     wxString ext;
 788     size_t count = strExtensions.GetCount();
 789     for ( size_t i = 0; i < count; i++ )
 790     {
 791         ext = strExtensions[i];
 792         ext += wxT(' ');
 793
 794         if ( exts.Find(ext) == wxNOT_FOUND )
 795         {
 796             exts += ext;
 797         }
 798     }
 799
 800     // check data integrity
 801     wxASSERT( m_aTypes.GetCount() == m_aEntries.GetCount() &&
 802               m_aTypes.GetCount() == m_aExtensions.GetCount() &&
 803               m_aTypes.GetCount() == m_aIcons.GetCount() &&
 804               m_aTypes.GetCount() == m_aDescriptions.GetCount() );
 805
 806     return nIndex;
 807 }
 808
 809 wxFileType * wxMimeTypesManagerImpl::GetFileTypeFromExtension(const wxString& ext)
 810 {
 811     if (ext.empty() )
 812         return NULL;
 813
 814     InitIfNeeded();
 815
 816     size_t count = m_aExtensions.GetCount();
 817     for ( size_t n = 0; n < count; n++ )
 818     {
 819         wxStringTokenizer tk(m_aExtensions[n], wxT(' '));
 820
 821         while ( tk.HasMoreTokens() )
 822         {
 823             // consider extensions as not being case-sensitive
 824             if ( tk.GetNextToken().IsSameAs(ext, false /* no case */) )
 825             {
 826                 // found
 827                 wxFileType *fileType = new wxFileType;
 828                 fileType->m_impl->Init(this, n);
 829
 830                 return fileType;
 831             }
 832         }
 833     }
 834
 835     return NULL;
 836 }
 837
 838 wxFileType * wxMimeTypesManagerImpl::GetFileTypeFromMimeType(const wxString& mimeType)
 839 {
 840     InitIfNeeded();
 841
 842     wxFileType * fileType = NULL;
 843     // mime types are not case-sensitive
 844     wxString mimetype(mimeType);
 845     mimetype.MakeLower();
 846
 847     // first look for an exact match
 848     int index = m_aTypes.Index(mimetype);
 849
 850     if ( index != wxNOT_FOUND )
 851     {
 852         fileType = new wxFileType;
 853         fileType->m_impl->Init(this, index);
 854     }
 855
 856     // then try to find "text/*" as match for "text/plain" (for example)
 857     // NB: if mimeType doesn't contain '/' at all, BeforeFirst() will return
 858     //     the whole string - ok.
 859
 860     index = wxNOT_FOUND;
 861     wxString strCategory = mimetype.BeforeFirst(wxT('/'));
 862
 863     size_t nCount = m_aTypes.GetCount();
 864     for ( size_t n = 0; n < nCount; n++ )
 865     {
 866         if ( (m_aTypes[n].BeforeFirst(wxT('/')) == strCategory ) &&
 867                 m_aTypes[n].AfterFirst(wxT('/')) == wxT("*") )
 868         {
 869             index = n;
 870             break;
 871         }
 872     }
 873
 874     if ( index != wxNOT_FOUND )
 875     {
 876        // don't throw away fileType that was already found
 877         if (!fileType)
 878             fileType = new wxFileType;
 879         fileType->m_impl->Init(this, index);
 880     }
 881
 882     return fileType;
 883 }
 884
 885 wxString wxMimeTypesManagerImpl::GetCommand(const wxString & verb, size_t nIndex) const
 886 {
 887     wxString command, testcmd, sV, sTmp;
 888     sV = verb + wxT("=");
 889
 890     // list of verb = command pairs for this mimetype
 891     wxMimeTypeCommands * sPairs = m_aEntries [nIndex];
 892
 893     size_t i;
 894     size_t nCount = sPairs->GetCount();
 895     for ( i = 0; i < nCount; i++ )
 896     {
 897         sTmp = sPairs->GetVerbCmd (i);
 898         if ( sTmp.Contains(sV) )
 899             command = sTmp.AfterFirst(wxT('='));
 900     }
 901
 902     return command;
 903 }
 904
 905 void wxMimeTypesManagerImpl::AddFallback(const wxFileTypeInfo& filetype)
 906 {
 907     InitIfNeeded();
 908
 909     wxString extensions;
 910     const wxArrayString& exts = filetype.GetExtensions();
 911     size_t nExts = exts.GetCount();
 912     for ( size_t nExt = 0; nExt < nExts; nExt++ )
 913     {
 914         if ( nExt > 0 )
 915             extensions += wxT(' ');
 916
 917         extensions += exts[nExt];
 918     }
 919
 920     AddMimeTypeInfo(filetype.GetMimeType(),
 921                     extensions,
 922                     filetype.GetDescription());
 923 }
 924
 925 void wxMimeTypesManagerImpl::AddMimeTypeInfo(const wxString& strMimeType,
 926                                              const wxString& strExtensions,
 927                                              const wxString& strDesc)
 928 {
 929     // reading mailcap may find image/* , while
 930     // reading mime.types finds image/gif and no match is made
 931     // this means all the get functions don't work  fix this
 932     wxString strIcon;
 933     wxString sTmp = strExtensions;
 934
 935     wxArrayString sExts;
 936     sTmp.Trim().Trim(false);
 937
 938     while (!sTmp.empty())
 939     {
 940         sExts.Add(sTmp.AfterLast(wxT(' ')));
 941         sTmp = sTmp.BeforeLast(wxT(' '));
 942     }
 943
 944     AddToMimeData(strMimeType, strIcon, NULL, sExts, strDesc, true);
 945 }
 946
 947 size_t wxMimeTypesManagerImpl::EnumAllFileTypes(wxArrayString& mimetypes)
 948 {
 949     InitIfNeeded();
 950
 951     mimetypes.Empty();
 952
 953     size_t count = m_aTypes.GetCount();
 954     for ( size_t n = 0; n < count; n++ )
 955     {
 956         // don't return template types from here (i.e. anything containg '*')
 957         const wxString &type = m_aTypes[n];
 958         if ( type.Find(wxT('*')) == wxNOT_FOUND )
 959         {
 960             mimetypes.Add(type);
 961         }
 962     }
 963
 964     return mimetypes.GetCount();
 965 }
 966
 967 // ----------------------------------------------------------------------------
 968 // writing to MIME type files
 969 // ----------------------------------------------------------------------------
 970
 971 bool wxMimeTypesManagerImpl::Unassociate(wxFileType *ft)
 972 {
 973     InitIfNeeded();
 974
 975     wxArrayString sMimeTypes;
 976     ft->GetMimeTypes(sMimeTypes);
 977
 978     size_t i;
 979     size_t nCount = sMimeTypes.GetCount();
 980     for (i = 0; i < nCount; i ++)
 981     {
 982         const wxString &sMime = sMimeTypes.Item(i);
 983         int nIndex = m_aTypes.Index(sMime);
 984         if ( nIndex == wxNOT_FOUND)
 985         {
 986             // error if we get here ??
 987             return false;
 988         }
 989         else
 990         {
 991             m_aTypes.RemoveAt(nIndex);
 992             m_aEntries.RemoveAt(nIndex);
 993             m_aExtensions.RemoveAt(nIndex);
 994             m_aDescriptions.RemoveAt(nIndex);
 995             m_aIcons.RemoveAt(nIndex);
 996         }
 997     }
 998     // check data integrity
 999     wxASSERT( m_aTypes.GetCount() == m_aEntries.GetCount() &&
1000             m_aTypes.GetCount() == m_aExtensions.GetCount() &&
1001             m_aTypes.GetCount() == m_aIcons.GetCount() &&
1002             m_aTypes.GetCount() == m_aDescriptions.GetCount() );
1003
1004     return true;
1005 }
1006
1007 #endif
1008   // wxUSE_MIMETYPE && wxUSE_FILE