src/common/mimecmn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        common/mimecmn.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 license (part of wxExtra library)
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef    __GNUG__
  13 #pragma implementation "mimetypebase.h"
  14 #endif
  15
  16 // for compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20   #pragma hdrstop
  21 #endif
  22
  23 #ifndef WX_PRECOMP
  24   #include "wx/defs.h"
  25 #endif
  26
  27 #if (wxUSE_FILE && wxUSE_TEXTFILE) || defined(__WXMSW__)
  28
  29 #ifndef WX_PRECOMP
  30   #include "wx/string.h"
  31   #if wxUSE_GUI
  32     #include "wx/icon.h"
  33   #endif
  34 #endif //WX_PRECOMP
  35
  36 // Doesn't compile in WIN16 mode
  37 #ifndef __WIN16__
  38
  39 #include "wx/log.h"
  40 #include "wx/file.h"
  41 #include "wx/intl.h"
  42 #include "wx/dynarray.h"
  43 #include "wx/confbase.h"
  44
  45 #ifdef __WXMSW__
  46     #include "wx/msw/registry.h"
  47     #include "windows.h"
  48 #elif defined(__UNIX__)  || defined(__WXPM__)
  49     #include "wx/ffile.h"
  50     #include "wx/textfile.h"
  51     #include "wx/dir.h"
  52     #include "wx/utils.h"
  53     #include "wx/tokenzr.h"
  54 #endif // OS
  55
  56 #include "wx/mimetype.h"
  57
  58 // other standard headers
  59 #include <ctype.h>
  60
  61 // in case we're compiling in non-GUI mode
  62 class WXDLLEXPORT wxIcon;
  63
  64
  65 // implementation classes:
  66
  67 #if defined(__WXMSW__)
  68 #include "wx/msw/mimetype.h"
  69 #elif defined (__WXMAC__)
  70 #include "wx/mac/mimetype.h"
  71 #elif defined (__WXPM__)
  72 #include "wx/os2/mimetype.h"
  73 #else
  74 #include "wx/unix/mimetype.h"
  75 #endif
  76
  77 // ============================================================================
  78 // common classes
  79 // ============================================================================
  80
  81 // ----------------------------------------------------------------------------
  82 // wxFileTypeInfo
  83 // ----------------------------------------------------------------------------
  84
  85 wxFileTypeInfo::wxFileTypeInfo(const char *mimeType,
  86                                const char *openCmd,
  87                                const char *printCmd,
  88                                const char *desc,
  89                                ...)
  90               : m_mimeType(mimeType),
  91                 m_openCmd(openCmd),
  92                 m_printCmd(printCmd),
  93                 m_desc(desc)
  94 {
  95     va_list argptr;
  96     va_start(argptr, desc);
  97
  98     for ( ;; )
  99     {
 100         const char *ext = va_arg(argptr, const char *);
 101         if ( !ext )
 102         {
 103             // NULL terminates the list
 104             break;
 105         }
 106
 107         m_exts.Add(ext);
 108     }
 109
 110     va_end(argptr);
 111 }
 112
 113 #include "wx/arrimpl.cpp"
 114 WX_DEFINE_OBJARRAY(wxArrayFileTypeInfo);
 115
 116
 117 // ============================================================================
 118 // implementation of the wrapper classes
 119 // ============================================================================
 120
 121 // ----------------------------------------------------------------------------
 122 // wxFileType
 123 // ----------------------------------------------------------------------------
 124
 125 wxString wxFileType::ExpandCommand(const wxString& command,
 126                                    const wxFileType::MessageParameters& params)
 127 {
 128     bool hasFilename = FALSE;
 129
 130     wxString str;
 131     for ( const wxChar *pc = command.c_str(); *pc != wxT('\0'); pc++ ) {
 132         if ( *pc == wxT('%') ) {
 133             switch ( *++pc ) {
 134                 case wxT('s'):
 135                     // '%s' expands into file name (quoted because it might
 136                     // contain spaces) - except if there are already quotes
 137                     // there because otherwise some programs may get confused
 138                     // by double double quotes
 139 #if 0
 140                     if ( *(pc - 2) == wxT('"') )
 141                         str << params.GetFileName();
 142                     else
 143                         str << wxT('"') << params.GetFileName() << wxT('"');
 144 #endif
 145                     str << params.GetFileName();
 146                     hasFilename = TRUE;
 147                     break;
 148
 149                 case wxT('t'):
 150                     // '%t' expands into MIME type (quote it too just to be
 151                     // consistent)
 152                     str << wxT('\'') << params.GetMimeType() << wxT('\'');
 153                     break;
 154
 155                 case wxT('{'):
 156                     {
 157                         const wxChar *pEnd = wxStrchr(pc, wxT('}'));
 158                         if ( pEnd == NULL ) {
 159                             wxString mimetype;
 160                             wxLogWarning(_("Unmatched '{' in an entry for "
 161                                            "mime type %s."),
 162                                          params.GetMimeType().c_str());
 163                             str << wxT("%{");
 164                         }
 165                         else {
 166                             wxString param(pc + 1, pEnd - pc - 1);
 167                             str << wxT('\'') << params.GetParamValue(param) << wxT('\'');
 168                             pc = pEnd;
 169                         }
 170                     }
 171                     break;
 172
 173                 case wxT('n'):
 174                 case wxT('F'):
 175                     // TODO %n is the number of parts, %F is an array containing
 176                     //      the names of temp files these parts were written to
 177                     //      and their mime types.
 178                     break;
 179
 180                 default:
 181                     wxLogDebug(wxT("Unknown field %%%c in command '%s'."),
 182                                *pc, command.c_str());
 183                     str << *pc;
 184             }
 185         }
 186         else {
 187             str << *pc;
 188         }
 189     }
 190
 191     // metamail(1) man page states that if the mailcap entry doesn't have '%s'
 192     // the program will accept the data on stdin: so give it to it!
 193     if ( !hasFilename && !str.IsEmpty() ) {
 194         str << wxT(" < '") << params.GetFileName() << wxT('\'');
 195     }
 196
 197     return str;
 198 }
 199
 200 wxFileType::wxFileType()
 201 {
 202     m_impl = new wxFileTypeImpl;
 203 }
 204
 205 wxFileType::~wxFileType()
 206 {
 207     delete m_impl;
 208 }
 209
 210 bool wxFileType::GetExtensions(wxArrayString& extensions)
 211 {
 212     return m_impl->GetExtensions(extensions);
 213 }
 214
 215 bool wxFileType::GetMimeType(wxString *mimeType) const
 216 {
 217     return m_impl->GetMimeType(mimeType);
 218 }
 219
 220 bool wxFileType::GetIcon(wxIcon *icon) const
 221 {
 222     return m_impl->GetIcon(icon);
 223 }
 224
 225 bool wxFileType::GetDescription(wxString *desc) const
 226 {
 227     return m_impl->GetDescription(desc);
 228 }
 229
 230 bool
 231 wxFileType::GetOpenCommand(wxString *openCmd,
 232                            const wxFileType::MessageParameters& params) const
 233 {
 234     return m_impl->GetOpenCommand(openCmd, params);
 235 }
 236
 237 bool
 238 wxFileType::GetPrintCommand(wxString *printCmd,
 239                             const wxFileType::MessageParameters& params) const
 240 {
 241     return m_impl->GetPrintCommand(printCmd, params);
 242 }
 243
 244 // ----------------------------------------------------------------------------
 245 // wxMimeTypesManager
 246 // ----------------------------------------------------------------------------
 247
 248 void wxMimeTypesManager::EnsureImpl()
 249 {
 250     if (m_impl == NULL)
 251         m_impl = new wxMimeTypesManagerImpl;
 252 }
 253
 254 bool wxMimeTypesManager::IsOfType(const wxString& mimeType,
 255                                   const wxString& wildcard)
 256 {
 257     wxASSERT_MSG( mimeType.Find(wxT('*')) == wxNOT_FOUND,
 258                   wxT("first MIME type can't contain wildcards") );
 259
 260     // all comparaisons are case insensitive (2nd arg of IsSameAs() is FALSE)
 261     if ( wildcard.BeforeFirst(wxT('/')).IsSameAs(mimeType.BeforeFirst(wxT('/')), FALSE) )
 262     {
 263         wxString strSubtype = wildcard.AfterFirst(wxT('/'));
 264
 265         if ( strSubtype == wxT("*") ||
 266              strSubtype.IsSameAs(mimeType.AfterFirst(wxT('/')), FALSE) )
 267         {
 268             // matches (either exactly or it's a wildcard)
 269             return TRUE;
 270         }
 271     }
 272
 273     return FALSE;
 274 }
 275
 276 wxMimeTypesManager::wxMimeTypesManager()
 277 {
 278     m_impl = NULL;
 279 }
 280
 281 wxMimeTypesManager::~wxMimeTypesManager()
 282 {
 283     if (m_impl != NULL)
 284         delete m_impl;
 285 }
 286
 287 wxFileType *
 288 wxMimeTypesManager::GetFileTypeFromExtension(const wxString& ext)
 289 {
 290     EnsureImpl();
 291     return m_impl->GetFileTypeFromExtension(ext);
 292 }
 293
 294 wxFileType *
 295 wxMimeTypesManager::GetFileTypeFromMimeType(const wxString& mimeType)
 296 {
 297     EnsureImpl();
 298     return m_impl->GetFileTypeFromMimeType(mimeType);
 299 }
 300
 301 bool wxMimeTypesManager::ReadMailcap(const wxString& filename, bool fallback)
 302 {
 303     EnsureImpl();
 304     return m_impl->ReadMailcap(filename, fallback);
 305 }
 306
 307 bool wxMimeTypesManager::ReadMimeTypes(const wxString& filename)
 308 {
 309     EnsureImpl();
 310     return m_impl->ReadMimeTypes(filename);
 311 }
 312
 313 void wxMimeTypesManager::AddFallbacks(const wxFileTypeInfo *filetypes)
 314 {
 315     EnsureImpl();
 316     for ( const wxFileTypeInfo *ft = filetypes; ft->IsValid(); ft++ ) {
 317         m_impl->AddFallback(*ft);
 318     }
 319 }
 320
 321 size_t wxMimeTypesManager::EnumAllFileTypes(wxArrayString& mimetypes)
 322 {
 323     EnsureImpl();
 324     return m_impl->EnumAllFileTypes(mimetypes);
 325 }
 326
 327
 328 // ----------------------------------------------------------------------------
 329 // global data
 330 // ----------------------------------------------------------------------------
 331
 332 // private object
 333 static wxMimeTypesManager gs_mimeTypesManager;
 334
 335 // and public pointer
 336 wxMimeTypesManager * wxTheMimeTypesManager = &gs_mimeTypesManager;
 337
 338
 339 #endif
 340   // wxUSE_FILE && wxUSE_TEXTFILE
 341
 342 #endif
 343   // __WIN16__