| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: common/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 license (part of wxExtra library) |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | #ifdef __GNUG__ |
| 13 | #pragma implementation "mimetype.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 | #include "wx/icon.h" |
| 32 | #endif //WX_PRECOMP |
| 33 | |
| 34 | // Doesn't compile in WIN16 mode |
| 35 | #ifndef __WIN16__ |
| 36 | |
| 37 | #include "wx/log.h" |
| 38 | #include "wx/file.h" |
| 39 | #include "wx/intl.h" |
| 40 | #include "wx/dynarray.h" |
| 41 | #include "wx/confbase.h" |
| 42 | |
| 43 | #ifdef __WXMSW__ |
| 44 | #include "wx/msw/registry.h" |
| 45 | #include "windows.h" |
| 46 | #else // Unix |
| 47 | #include "wx/textfile.h" |
| 48 | #endif // OS |
| 49 | |
| 50 | #include "wx/mimetype.h" |
| 51 | |
| 52 | // other standard headers |
| 53 | #include <ctype.h> |
| 54 | |
| 55 | // ---------------------------------------------------------------------------- |
| 56 | // private classes |
| 57 | // ---------------------------------------------------------------------------- |
| 58 | |
| 59 | // implementation classes, platform dependent |
| 60 | #ifdef __WXMSW__ |
| 61 | |
| 62 | // These classes use Windows registry to retrieve the required information. |
| 63 | // |
| 64 | // Keys used (not all of them are documented, so it might actually stop working |
| 65 | // in futur versions of Windows...): |
| 66 | // 1. "HKCR\MIME\Database\Content Type" contains subkeys for all known MIME |
| 67 | // types, each key has a string value "Extension" which gives (dot preceded) |
| 68 | // extension for the files of this MIME type. |
| 69 | // |
| 70 | // 2. "HKCR\.ext" contains |
| 71 | // a) unnamed value containing the "filetype" |
| 72 | // b) value "Content Type" containing the MIME type |
| 73 | // |
| 74 | // 3. "HKCR\filetype" contains |
| 75 | // a) unnamed value containing the description |
| 76 | // b) subkey "DefaultIcon" with single unnamed value giving the icon index in |
| 77 | // an icon file |
| 78 | // c) shell\open\command and shell\open\print subkeys containing the commands |
| 79 | // to open/print the file (the positional parameters are introduced by %1, |
| 80 | // %2, ... in these strings, we change them to %s ourselves) |
| 81 | |
| 82 | class wxFileTypeImpl |
| 83 | { |
| 84 | public: |
| 85 | // ctor |
| 86 | wxFileTypeImpl() { } |
| 87 | |
| 88 | // initialize us with our file type name |
| 89 | void SetFileType(const wxString& strFileType) |
| 90 | { m_strFileType = strFileType; } |
| 91 | void SetExt(const wxString& ext) |
| 92 | { m_ext = ext; } |
| 93 | |
| 94 | // implement accessor functions |
| 95 | bool GetExtensions(wxArrayString& extensions); |
| 96 | bool GetMimeType(wxString *mimeType) const; |
| 97 | bool GetIcon(wxIcon *icon) const; |
| 98 | bool GetDescription(wxString *desc) const; |
| 99 | bool GetOpenCommand(wxString *openCmd, |
| 100 | const wxFileType::MessageParameters&) const |
| 101 | { return GetCommand(openCmd, _T("open")); } |
| 102 | bool GetPrintCommand(wxString *printCmd, |
| 103 | const wxFileType::MessageParameters&) const |
| 104 | { return GetCommand(printCmd, _T("print")); } |
| 105 | |
| 106 | private: |
| 107 | // helper function |
| 108 | bool GetCommand(wxString *command, const wxChar *verb) const; |
| 109 | |
| 110 | wxString m_strFileType, m_ext; |
| 111 | }; |
| 112 | |
| 113 | class wxMimeTypesManagerImpl |
| 114 | { |
| 115 | public: |
| 116 | // nothing to do here, we don't load any data but just go and fetch it from |
| 117 | // the registry when asked for |
| 118 | wxMimeTypesManagerImpl() { } |
| 119 | |
| 120 | // implement containing class functions |
| 121 | wxFileType *GetFileTypeFromExtension(const wxString& ext); |
| 122 | wxFileType *GetFileTypeFromMimeType(const wxString& mimeType); |
| 123 | |
| 124 | // this are NOPs under Windows |
| 125 | bool ReadMailcap(const wxString& filename, bool fallback = TRUE) |
| 126 | { return TRUE; } |
| 127 | bool ReadMimeTypes(const wxString& filename) |
| 128 | { return TRUE; } |
| 129 | }; |
| 130 | |
| 131 | #else // Unix |
| 132 | |
| 133 | // this class uses both mailcap and mime.types to gather information about file |
| 134 | // types. |
| 135 | // |
| 136 | // The information about mailcap file was extracted from metamail(1) sources and |
| 137 | // documentation. |
| 138 | // |
| 139 | // Format of mailcap file: spaces are ignored, each line is either a comment |
| 140 | // (starts with '#') or a line of the form <field1>;<field2>;...;<fieldN>. |
| 141 | // A backslash can be used to quote semicolons and newlines (and, in fact, |
| 142 | // anything else including itself). |
| 143 | // |
| 144 | // The first field is always the MIME type in the form of type/subtype (see RFC |
| 145 | // 822) where subtype may be '*' meaning "any". Following metamail, we accept |
| 146 | // "type" which means the same as "type/*", although I'm not sure whether this |
| 147 | // is standard. |
| 148 | // |
| 149 | // The second field is always the command to run. It is subject to |
| 150 | // parameter/filename expansion described below. |
| 151 | // |
| 152 | // All the following fields are optional and may not be present at all. If |
| 153 | // they're present they may appear in any order, although each of them should |
| 154 | // appear only once. The optional fields are the following: |
| 155 | // * notes=xxx is an uninterpreted string which is silently ignored |
| 156 | // * test=xxx is the command to be used to determine whether this mailcap line |
| 157 | // applies to our data or not. The RHS of this field goes through the |
| 158 | // parameter/filename expansion (as the 2nd field) and the resulting string |
| 159 | // is executed. The line applies only if the command succeeds, i.e. returns 0 |
| 160 | // exit code. |
| 161 | // * print=xxx is the command to be used to print (and not view) the data of |
| 162 | // this type (parameter/filename expansion is done here too) |
| 163 | // * edit=xxx is the command to open/edit the data of this type |
| 164 | // * needsterminal means that a new console must be created for the viewer |
| 165 | // * copiousoutput means that the viewer doesn't interact with the user but |
| 166 | // produces (possibly) a lof of lines of output on stdout (i.e. "cat" is a |
| 167 | // good example), thus it might be a good idea to use some kind of paging |
| 168 | // mechanism. |
| 169 | // * textualnewlines means not to perform CR/LF translation (not honored) |
| 170 | // * compose and composetyped fields are used to determine the program to be |
| 171 | // called to create a new message pert in the specified format (unused). |
| 172 | // |
| 173 | // Parameter/filename xpansion: |
| 174 | // * %s is replaced with the (full) file name |
| 175 | // * %t is replaced with MIME type/subtype of the entry |
| 176 | // * for multipart type only %n is replaced with the nnumber of parts and %F is |
| 177 | // replaced by an array of (content-type, temporary file name) pairs for all |
| 178 | // message parts (TODO) |
| 179 | // * %{parameter} is replaced with the value of parameter taken from |
| 180 | // Content-type header line of the message. |
| 181 | // |
| 182 | // FIXME any docs with real descriptions of these files?? |
| 183 | // |
| 184 | // There are 2 possible formats for mime.types file, one entry per line (used |
| 185 | // for global mime.types) and "expanded" format where an entry takes multiple |
| 186 | // lines (used for users mime.types). |
| 187 | // |
| 188 | // For both formats spaces are ignored and lines starting with a '#' are |
| 189 | // comments. Each record has one of two following forms: |
| 190 | // a) for "brief" format: |
| 191 | // <mime type> <space separated list of extensions> |
| 192 | // b) for "expanded" format: |
| 193 | // type=<mime type> \ desc="<description>" \ exts="ext" |
| 194 | // |
| 195 | // We try to autodetect the format of mime.types: if a non-comment line starts |
| 196 | // with "type=" we assume the second format, otherwise the first one. |
| 197 | |
| 198 | // there may be more than one entry for one and the same mime type, to |
| 199 | // choose the right one we have to run the command specified in the test |
| 200 | // field on our data. |
| 201 | class MailCapEntry |
| 202 | { |
| 203 | public: |
| 204 | // ctor |
| 205 | MailCapEntry(const wxString& openCmd, |
| 206 | const wxString& printCmd, |
| 207 | const wxString& testCmd) |
| 208 | : m_openCmd(openCmd), m_printCmd(printCmd), m_testCmd(testCmd) |
| 209 | { |
| 210 | m_next = NULL; |
| 211 | } |
| 212 | |
| 213 | // accessors |
| 214 | const wxString& GetOpenCmd() const { return m_openCmd; } |
| 215 | const wxString& GetPrintCmd() const { return m_printCmd; } |
| 216 | const wxString& GetTestCmd() const { return m_testCmd; } |
| 217 | |
| 218 | MailCapEntry *GetNext() const { return m_next; } |
| 219 | |
| 220 | // operations |
| 221 | // prepend this element to the list |
| 222 | void Prepend(MailCapEntry *next) { m_next = next; } |
| 223 | // insert into the list at given position |
| 224 | void Insert(MailCapEntry *next, size_t pos) |
| 225 | { |
| 226 | // FIXME slooow... |
| 227 | MailCapEntry *cur; |
| 228 | size_t n = 0; |
| 229 | for ( cur = next; cur != NULL; cur = cur->m_next, n++ ) { |
| 230 | if ( n == pos ) |
| 231 | break; |
| 232 | } |
| 233 | |
| 234 | wxASSERT_MSG( n == pos, _T("invalid position in MailCapEntry::Insert") ); |
| 235 | |
| 236 | m_next = cur->m_next; |
| 237 | cur->m_next = this; |
| 238 | } |
| 239 | // append this element to the list |
| 240 | void Append(MailCapEntry *next) |
| 241 | { |
| 242 | wxCHECK_RET( next != NULL, _T("Append()ing to what?") ); |
| 243 | |
| 244 | // FIXME slooow... |
| 245 | MailCapEntry *cur; |
| 246 | for ( cur = next; cur->m_next != NULL; cur = cur->m_next ) |
| 247 | ; |
| 248 | |
| 249 | cur->m_next = this; |
| 250 | |
| 251 | wxASSERT_MSG( !m_next, _T("Append()ing element already in the list?") ); |
| 252 | } |
| 253 | |
| 254 | private: |
| 255 | wxString m_openCmd, // command to use to open/view the file |
| 256 | m_printCmd, // print |
| 257 | m_testCmd; // only apply this entry if test yields |
| 258 | // true (i.e. the command returns 0) |
| 259 | |
| 260 | MailCapEntry *m_next; // in the linked list |
| 261 | }; |
| 262 | |
| 263 | WX_DEFINE_ARRAY(MailCapEntry *, ArrayTypeEntries); |
| 264 | |
| 265 | class wxMimeTypesManagerImpl |
| 266 | { |
| 267 | friend class wxFileTypeImpl; // give it access to m_aXXX variables |
| 268 | |
| 269 | public: |
| 270 | // ctor loads all info into memory for quicker access later on |
| 271 | // TODO it would be nice to load them all, but parse on demand only... |
| 272 | wxMimeTypesManagerImpl(); |
| 273 | |
| 274 | // implement containing class functions |
| 275 | wxFileType *GetFileTypeFromExtension(const wxString& ext); |
| 276 | wxFileType *GetFileTypeFromMimeType(const wxString& mimeType); |
| 277 | |
| 278 | bool ReadMailcap(const wxString& filename, bool fallback = FALSE); |
| 279 | bool ReadMimeTypes(const wxString& filename); |
| 280 | |
| 281 | // accessors |
| 282 | // get the string containing space separated extensions for the given |
| 283 | // file type |
| 284 | wxString GetExtension(size_t index) { return m_aExtensions[index]; } |
| 285 | |
| 286 | private: |
| 287 | wxArrayString m_aTypes, // MIME types |
| 288 | m_aDescriptions, // descriptions (just some text) |
| 289 | m_aExtensions; // space separated list of extensions |
| 290 | ArrayTypeEntries m_aEntries; // commands and tests for this file type |
| 291 | }; |
| 292 | |
| 293 | class wxFileTypeImpl |
| 294 | { |
| 295 | public: |
| 296 | // initialization functions |
| 297 | void Init(wxMimeTypesManagerImpl *manager, size_t index) |
| 298 | { m_manager = manager; m_index = index; } |
| 299 | |
| 300 | // accessors |
| 301 | bool GetExtensions(wxArrayString& extensions); |
| 302 | bool GetMimeType(wxString *mimeType) const |
| 303 | { *mimeType = m_manager->m_aTypes[m_index]; return TRUE; } |
| 304 | bool GetIcon(wxIcon * WXUNUSED(icon)) const |
| 305 | { return FALSE; } // TODO maybe with Gnome/KDE integration... |
| 306 | bool GetDescription(wxString *desc) const |
| 307 | { *desc = m_manager->m_aDescriptions[m_index]; return TRUE; } |
| 308 | |
| 309 | bool GetOpenCommand(wxString *openCmd, |
| 310 | const wxFileType::MessageParameters& params) const |
| 311 | { |
| 312 | return GetExpandedCommand(openCmd, params, TRUE); |
| 313 | } |
| 314 | |
| 315 | bool GetPrintCommand(wxString *printCmd, |
| 316 | const wxFileType::MessageParameters& params) const |
| 317 | { |
| 318 | return GetExpandedCommand(printCmd, params, FALSE); |
| 319 | } |
| 320 | |
| 321 | private: |
| 322 | // get the entry which passes the test (may return NULL) |
| 323 | MailCapEntry *GetEntry(const wxFileType::MessageParameters& params) const; |
| 324 | |
| 325 | // choose the correct entry to use and expand the command |
| 326 | bool GetExpandedCommand(wxString *expandedCmd, |
| 327 | const wxFileType::MessageParameters& params, |
| 328 | bool open) const; |
| 329 | |
| 330 | wxMimeTypesManagerImpl *m_manager; |
| 331 | size_t m_index; // in the wxMimeTypesManagerImpl arrays |
| 332 | }; |
| 333 | |
| 334 | #endif // OS type |
| 335 | |
| 336 | // ============================================================================ |
| 337 | // implementation of the wrapper classes |
| 338 | // ============================================================================ |
| 339 | |
| 340 | // ---------------------------------------------------------------------------- |
| 341 | // wxFileType |
| 342 | // ---------------------------------------------------------------------------- |
| 343 | |
| 344 | wxString wxFileType::ExpandCommand(const wxString& command, |
| 345 | const wxFileType::MessageParameters& params) |
| 346 | { |
| 347 | bool hasFilename = FALSE; |
| 348 | |
| 349 | wxString str; |
| 350 | for ( const wxChar *pc = command.c_str(); *pc != _T('\0'); pc++ ) { |
| 351 | if ( *pc == _T('%') ) { |
| 352 | switch ( *++pc ) { |
| 353 | case _T('s'): |
| 354 | // '%s' expands into file name (quoted because it might |
| 355 | // contain spaces) - except if there are already quotes |
| 356 | // there because otherwise some programs may get confused |
| 357 | // by double double quotes |
| 358 | #if 0 |
| 359 | if ( *(pc - 2) == _T('"') ) |
| 360 | str << params.GetFileName(); |
| 361 | else |
| 362 | str << _T('"') << params.GetFileName() << _T('"'); |
| 363 | #endif |
| 364 | str << params.GetFileName(); |
| 365 | hasFilename = TRUE; |
| 366 | break; |
| 367 | |
| 368 | case _T('t'): |
| 369 | // '%t' expands into MIME type (quote it too just to be |
| 370 | // consistent) |
| 371 | str << _T('\'') << params.GetMimeType() << _T('\''); |
| 372 | break; |
| 373 | |
| 374 | case _T('{'): |
| 375 | { |
| 376 | const wxChar *pEnd = wxStrchr(pc, _T('}')); |
| 377 | if ( pEnd == NULL ) { |
| 378 | wxString mimetype; |
| 379 | wxLogWarning(_("Unmatched '{' in an entry for " |
| 380 | "mime type %s."), |
| 381 | params.GetMimeType().c_str()); |
| 382 | str << _T("%{"); |
| 383 | } |
| 384 | else { |
| 385 | wxString param(pc + 1, pEnd - pc - 1); |
| 386 | str << _T('\'') << params.GetParamValue(param) << _T('\''); |
| 387 | pc = pEnd; |
| 388 | } |
| 389 | } |
| 390 | break; |
| 391 | |
| 392 | case _T('n'): |
| 393 | case _T('F'): |
| 394 | // TODO %n is the number of parts, %F is an array containing |
| 395 | // the names of temp files these parts were written to |
| 396 | // and their mime types. |
| 397 | break; |
| 398 | |
| 399 | default: |
| 400 | wxLogDebug(_T("Unknown field %%%c in command '%s'."), |
| 401 | *pc, command.c_str()); |
| 402 | str << *pc; |
| 403 | } |
| 404 | } |
| 405 | else { |
| 406 | str << *pc; |
| 407 | } |
| 408 | } |
| 409 | |
| 410 | // metamail(1) man page states that if the mailcap entry doesn't have '%s' |
| 411 | // the program will accept the data on stdin: so give it to it! |
| 412 | if ( !hasFilename && !str.IsEmpty() ) { |
| 413 | str << _T(" < '") << params.GetFileName() << _T('\''); |
| 414 | } |
| 415 | |
| 416 | return str; |
| 417 | } |
| 418 | |
| 419 | wxFileType::wxFileType() |
| 420 | { |
| 421 | m_impl = new wxFileTypeImpl; |
| 422 | } |
| 423 | |
| 424 | wxFileType::~wxFileType() |
| 425 | { |
| 426 | delete m_impl; |
| 427 | } |
| 428 | |
| 429 | bool wxFileType::GetExtensions(wxArrayString& extensions) |
| 430 | { |
| 431 | return m_impl->GetExtensions(extensions); |
| 432 | } |
| 433 | |
| 434 | bool wxFileType::GetMimeType(wxString *mimeType) const |
| 435 | { |
| 436 | return m_impl->GetMimeType(mimeType); |
| 437 | } |
| 438 | |
| 439 | bool wxFileType::GetIcon(wxIcon *icon) const |
| 440 | { |
| 441 | return m_impl->GetIcon(icon); |
| 442 | } |
| 443 | |
| 444 | bool wxFileType::GetDescription(wxString *desc) const |
| 445 | { |
| 446 | return m_impl->GetDescription(desc); |
| 447 | } |
| 448 | |
| 449 | bool |
| 450 | wxFileType::GetOpenCommand(wxString *openCmd, |
| 451 | const wxFileType::MessageParameters& params) const |
| 452 | { |
| 453 | return m_impl->GetOpenCommand(openCmd, params); |
| 454 | } |
| 455 | |
| 456 | bool |
| 457 | wxFileType::GetPrintCommand(wxString *printCmd, |
| 458 | const wxFileType::MessageParameters& params) const |
| 459 | { |
| 460 | return m_impl->GetPrintCommand(printCmd, params); |
| 461 | } |
| 462 | |
| 463 | // ---------------------------------------------------------------------------- |
| 464 | // wxMimeTypesManager |
| 465 | // ---------------------------------------------------------------------------- |
| 466 | |
| 467 | bool wxMimeTypesManager::IsOfType(const wxString& mimeType, |
| 468 | const wxString& wildcard) |
| 469 | { |
| 470 | wxASSERT_MSG( mimeType.Find(_T('*')) == wxNOT_FOUND, |
| 471 | _T("first MIME type can't contain wildcards") ); |
| 472 | |
| 473 | // all comparaisons are case insensitive (2nd arg of IsSameAs() is FALSE) |
| 474 | if ( wildcard.BeforeFirst(_T('/')).IsSameAs(mimeType.BeforeFirst(_T('/')), FALSE) ) |
| 475 | { |
| 476 | wxString strSubtype = wildcard.AfterFirst(_T('/')); |
| 477 | |
| 478 | if ( strSubtype == _T("*") || |
| 479 | strSubtype.IsSameAs(mimeType.AfterFirst(_T('/')), FALSE) ) |
| 480 | { |
| 481 | // matches (either exactly or it's a wildcard) |
| 482 | return TRUE; |
| 483 | } |
| 484 | } |
| 485 | |
| 486 | return FALSE; |
| 487 | } |
| 488 | |
| 489 | wxMimeTypesManager::wxMimeTypesManager() |
| 490 | { |
| 491 | m_impl = new wxMimeTypesManagerImpl; |
| 492 | } |
| 493 | |
| 494 | wxMimeTypesManager::~wxMimeTypesManager() |
| 495 | { |
| 496 | delete m_impl; |
| 497 | } |
| 498 | |
| 499 | wxFileType * |
| 500 | wxMimeTypesManager::GetFileTypeFromExtension(const wxString& ext) |
| 501 | { |
| 502 | return m_impl->GetFileTypeFromExtension(ext); |
| 503 | } |
| 504 | |
| 505 | wxFileType * |
| 506 | wxMimeTypesManager::GetFileTypeFromMimeType(const wxString& mimeType) |
| 507 | { |
| 508 | return m_impl->GetFileTypeFromMimeType(mimeType); |
| 509 | } |
| 510 | |
| 511 | bool wxMimeTypesManager::ReadMailcap(const wxString& filename, bool fallback) |
| 512 | { |
| 513 | return m_impl->ReadMailcap(filename, fallback); |
| 514 | } |
| 515 | |
| 516 | bool wxMimeTypesManager::ReadMimeTypes(const wxString& filename) |
| 517 | { |
| 518 | return m_impl->ReadMimeTypes(filename); |
| 519 | } |
| 520 | |
| 521 | // ============================================================================ |
| 522 | // real (OS specific) implementation |
| 523 | // ============================================================================ |
| 524 | |
| 525 | #ifdef __WXMSW__ |
| 526 | |
| 527 | bool wxFileTypeImpl::GetCommand(wxString *command, const wxChar *verb) const |
| 528 | { |
| 529 | // suppress possible error messages |
| 530 | wxLogNull nolog; |
| 531 | wxString strKey; |
| 532 | strKey << m_strFileType << _T("\\shell\\") << verb << _T("\\command"); |
| 533 | wxRegKey key(wxRegKey::HKCR, strKey); |
| 534 | |
| 535 | if ( key.Open() ) { |
| 536 | // it's the default value of the key |
| 537 | if ( key.QueryValue(_T(""), *command) ) { |
| 538 | // transform it from '%1' to '%s' style format string |
| 539 | // NB: we don't make any attempt to verify that the string is valid, |
| 540 | // i.e. doesn't contain %2, or second %1 or .... But we do make |
| 541 | // sure that we return a string with _exactly_ one '%s'! |
| 542 | size_t len = command->Len(); |
| 543 | for ( size_t n = 0; n < len; n++ ) { |
| 544 | if ( command->GetChar(n) == _T('%') && |
| 545 | (n + 1 < len) && command->GetChar(n + 1) == _T('1') ) { |
| 546 | // replace it with '%s' |
| 547 | command->SetChar(n + 1, _T('s')); |
| 548 | |
| 549 | return TRUE; |
| 550 | } |
| 551 | } |
| 552 | |
| 553 | // we didn't find any '%1'! |
| 554 | // HACK: append the filename at the end, hope that it will do |
| 555 | *command << _T(" %s"); |
| 556 | |
| 557 | return TRUE; |
| 558 | } |
| 559 | } |
| 560 | |
| 561 | // no such file type or no value |
| 562 | return FALSE; |
| 563 | } |
| 564 | |
| 565 | // TODO this function is half implemented |
| 566 | bool wxFileTypeImpl::GetExtensions(wxArrayString& extensions) |
| 567 | { |
| 568 | if ( m_ext.IsEmpty() ) { |
| 569 | // the only way to get the list of extensions from the file type is to |
| 570 | // scan through all extensions in the registry - too slow... |
| 571 | return FALSE; |
| 572 | } |
| 573 | else { |
| 574 | extensions.Empty(); |
| 575 | extensions.Add(m_ext); |
| 576 | |
| 577 | // it's a lie too, we don't return _all_ extensions... |
| 578 | return TRUE; |
| 579 | } |
| 580 | } |
| 581 | |
| 582 | bool wxFileTypeImpl::GetMimeType(wxString *mimeType) const |
| 583 | { |
| 584 | // suppress possible error messages |
| 585 | wxLogNull nolog; |
| 586 | wxRegKey key(wxRegKey::HKCR, /*m_strFileType*/ _T(".") + m_ext); |
| 587 | if ( key.Open() && key.QueryValue(_T("Content Type"), *mimeType) ) { |
| 588 | return TRUE; |
| 589 | } |
| 590 | else { |
| 591 | return FALSE; |
| 592 | } |
| 593 | } |
| 594 | |
| 595 | bool wxFileTypeImpl::GetIcon(wxIcon *icon) const |
| 596 | { |
| 597 | wxString strIconKey; |
| 598 | strIconKey << m_strFileType << _T("\\DefaultIcon"); |
| 599 | |
| 600 | // suppress possible error messages |
| 601 | wxLogNull nolog; |
| 602 | wxRegKey key(wxRegKey::HKCR, strIconKey); |
| 603 | |
| 604 | if ( key.Open() ) { |
| 605 | wxString strIcon; |
| 606 | // it's the default value of the key |
| 607 | if ( key.QueryValue(_T(""), strIcon) ) { |
| 608 | // the format is the following: <full path to file>, <icon index> |
| 609 | // NB: icon index may be negative as well as positive and the full |
| 610 | // path may contain the environment variables inside '%' |
| 611 | wxString strFullPath = strIcon.BeforeLast(_T(',')), |
| 612 | strIndex = strIcon.AfterLast(_T(',')); |
| 613 | |
| 614 | // index may be omitted, in which case BeforeLast(',') is empty and |
| 615 | // AfterLast(',') is the whole string |
| 616 | if ( strFullPath.IsEmpty() ) { |
| 617 | strFullPath = strIndex; |
| 618 | strIndex = _T("0"); |
| 619 | } |
| 620 | |
| 621 | wxString strExpPath = wxExpandEnvVars(strFullPath); |
| 622 | int nIndex = wxAtoi(strIndex); |
| 623 | |
| 624 | HICON hIcon = ExtractIcon(GetModuleHandle(NULL), strExpPath, nIndex); |
| 625 | switch ( (int)hIcon ) { |
| 626 | case 0: // means no icons were found |
| 627 | case 1: // means no such file or it wasn't a DLL/EXE/OCX/ICO/... |
| 628 | wxLogDebug(_T("incorrect registry entry '%s': no such icon."), |
| 629 | key.GetName().c_str()); |
| 630 | break; |
| 631 | |
| 632 | default: |
| 633 | icon->SetHICON((WXHICON)hIcon); |
| 634 | return TRUE; |
| 635 | } |
| 636 | } |
| 637 | } |
| 638 | |
| 639 | // no such file type or no value or incorrect icon entry |
| 640 | return FALSE; |
| 641 | } |
| 642 | |
| 643 | bool wxFileTypeImpl::GetDescription(wxString *desc) const |
| 644 | { |
| 645 | // suppress possible error messages |
| 646 | wxLogNull nolog; |
| 647 | wxRegKey key(wxRegKey::HKCR, m_strFileType); |
| 648 | |
| 649 | if ( key.Open() ) { |
| 650 | // it's the default value of the key |
| 651 | if ( key.QueryValue(_T(""), *desc) ) { |
| 652 | return TRUE; |
| 653 | } |
| 654 | } |
| 655 | |
| 656 | return FALSE; |
| 657 | } |
| 658 | |
| 659 | // extension -> file type |
| 660 | wxFileType * |
| 661 | wxMimeTypesManagerImpl::GetFileTypeFromExtension(const wxString& ext) |
| 662 | { |
| 663 | // add the leading point if necessary |
| 664 | wxString str; |
| 665 | if ( ext[0u] != _T('.') ) { |
| 666 | str = _T('.'); |
| 667 | } |
| 668 | str << ext; |
| 669 | |
| 670 | // suppress possible error messages |
| 671 | wxLogNull nolog; |
| 672 | |
| 673 | wxString strFileType; |
| 674 | wxRegKey key(wxRegKey::HKCR, str); |
| 675 | if ( key.Open() ) { |
| 676 | // it's the default value of the key |
| 677 | if ( key.QueryValue(_T(""), strFileType) ) { |
| 678 | // create the new wxFileType object |
| 679 | wxFileType *fileType = new wxFileType; |
| 680 | fileType->m_impl->SetFileType(strFileType); |
| 681 | fileType->m_impl->SetExt(ext); |
| 682 | |
| 683 | return fileType; |
| 684 | } |
| 685 | } |
| 686 | |
| 687 | // unknown extension |
| 688 | return NULL; |
| 689 | } |
| 690 | |
| 691 | // MIME type -> extension -> file type |
| 692 | wxFileType * |
| 693 | wxMimeTypesManagerImpl::GetFileTypeFromMimeType(const wxString& mimeType) |
| 694 | { |
| 695 | // HACK I don't know of any official documentation which mentions this |
| 696 | // location, but as a matter of fact IE uses it, so why not we? |
| 697 | static const wxChar *szMimeDbase = _T("MIME\\Database\\Content Type\\"); |
| 698 | |
| 699 | wxString strKey = szMimeDbase; |
| 700 | strKey << mimeType; |
| 701 | |
| 702 | // suppress possible error messages |
| 703 | wxLogNull nolog; |
| 704 | |
| 705 | wxString ext; |
| 706 | wxRegKey key(wxRegKey::HKCR, strKey); |
| 707 | if ( key.Open() ) { |
| 708 | if ( key.QueryValue(_T("Extension"), ext) ) { |
| 709 | return GetFileTypeFromExtension(ext); |
| 710 | } |
| 711 | } |
| 712 | |
| 713 | // unknown MIME type |
| 714 | return NULL; |
| 715 | } |
| 716 | |
| 717 | #else // Unix |
| 718 | |
| 719 | MailCapEntry * |
| 720 | wxFileTypeImpl::GetEntry(const wxFileType::MessageParameters& params) const |
| 721 | { |
| 722 | wxString command; |
| 723 | MailCapEntry *entry = m_manager->m_aEntries[m_index]; |
| 724 | while ( entry != NULL ) { |
| 725 | // notice that an empty command would always succeed (it's ok) |
| 726 | command = wxFileType::ExpandCommand(entry->GetTestCmd(), params); |
| 727 | |
| 728 | if ( command.IsEmpty() || (wxSystem(command) == 0) ) { |
| 729 | // ok, passed |
| 730 | wxLogTrace(_T("Test '%s' for mime type '%s' succeeded."), |
| 731 | command.c_str(), params.GetMimeType().c_str()); |
| 732 | break; |
| 733 | } |
| 734 | else { |
| 735 | wxLogTrace(_T("Test '%s' for mime type '%s' failed."), |
| 736 | command.c_str(), params.GetMimeType().c_str()); |
| 737 | } |
| 738 | |
| 739 | entry = entry->GetNext(); |
| 740 | } |
| 741 | |
| 742 | return entry; |
| 743 | } |
| 744 | |
| 745 | bool |
| 746 | wxFileTypeImpl::GetExpandedCommand(wxString *expandedCmd, |
| 747 | const wxFileType::MessageParameters& params, |
| 748 | bool open) const |
| 749 | { |
| 750 | MailCapEntry *entry = GetEntry(params); |
| 751 | if ( entry == NULL ) { |
| 752 | // all tests failed... |
| 753 | return FALSE; |
| 754 | } |
| 755 | |
| 756 | wxString cmd = open ? entry->GetOpenCmd() : entry->GetPrintCmd(); |
| 757 | if ( cmd.IsEmpty() ) { |
| 758 | // may happen, especially for "print" |
| 759 | return FALSE; |
| 760 | } |
| 761 | |
| 762 | *expandedCmd = wxFileType::ExpandCommand(cmd, params); |
| 763 | return TRUE; |
| 764 | } |
| 765 | |
| 766 | bool wxFileTypeImpl::GetExtensions(wxArrayString& extensions) |
| 767 | { |
| 768 | wxString strExtensions = m_manager->GetExtension(m_index); |
| 769 | extensions.Empty(); |
| 770 | |
| 771 | // one extension in the space or comma delimitid list |
| 772 | wxString strExt; |
| 773 | for ( const wxChar *p = strExtensions; ; p++ ) { |
| 774 | if ( *p == _T(' ') || *p == _T(',') || *p == _T('\0') ) { |
| 775 | if ( !strExt.IsEmpty() ) { |
| 776 | extensions.Add(strExt); |
| 777 | strExt.Empty(); |
| 778 | } |
| 779 | //else: repeated spaces (shouldn't happen, but it's not that |
| 780 | // important if it does happen) |
| 781 | |
| 782 | if ( *p == _T('\0') ) |
| 783 | break; |
| 784 | } |
| 785 | else if ( *p == _T('.') ) { |
| 786 | // remove the dot from extension (but only if it's the first char) |
| 787 | if ( !strExt.IsEmpty() ) { |
| 788 | strExt += _T('.'); |
| 789 | } |
| 790 | //else: no, don't append it |
| 791 | } |
| 792 | else { |
| 793 | strExt += *p; |
| 794 | } |
| 795 | } |
| 796 | |
| 797 | return TRUE; |
| 798 | } |
| 799 | |
| 800 | // read system and user mailcaps (TODO implement mime.types support) |
| 801 | wxMimeTypesManagerImpl::wxMimeTypesManagerImpl() |
| 802 | { |
| 803 | // directories where we look for mailcap and mime.types by default |
| 804 | // (taken from metamail(1) sources) |
| 805 | static const wxChar *aStandardLocations[] = |
| 806 | { |
| 807 | _T("/etc"), |
| 808 | _T("/usr/etc"), |
| 809 | _T("/usr/local/etc"), |
| 810 | _T("/etc/mail"), |
| 811 | _T("/usr/public/lib") |
| 812 | }; |
| 813 | |
| 814 | // first read the system wide file(s) |
| 815 | for ( size_t n = 0; n < WXSIZEOF(aStandardLocations); n++ ) { |
| 816 | wxString dir = aStandardLocations[n]; |
| 817 | |
| 818 | wxString file = dir + _T("/mailcap"); |
| 819 | if ( wxFile::Exists(file) ) { |
| 820 | ReadMailcap(file); |
| 821 | } |
| 822 | |
| 823 | file = dir + _T("/mime.types"); |
| 824 | if ( wxFile::Exists(file) ) { |
| 825 | ReadMimeTypes(file); |
| 826 | } |
| 827 | } |
| 828 | |
| 829 | wxString strHome = wxGetenv(_T("HOME")); |
| 830 | |
| 831 | // and now the users mailcap |
| 832 | wxString strUserMailcap = strHome + _T("/.mailcap"); |
| 833 | if ( wxFile::Exists(strUserMailcap) ) { |
| 834 | ReadMailcap(strUserMailcap); |
| 835 | } |
| 836 | |
| 837 | // read the users mime.types |
| 838 | wxString strUserMimeTypes = strHome + _T("/.mime.types"); |
| 839 | if ( wxFile::Exists(strUserMimeTypes) ) { |
| 840 | ReadMimeTypes(strUserMimeTypes); |
| 841 | } |
| 842 | } |
| 843 | |
| 844 | wxFileType * |
| 845 | wxMimeTypesManagerImpl::GetFileTypeFromExtension(const wxString& ext) |
| 846 | { |
| 847 | size_t count = m_aExtensions.GetCount(); |
| 848 | for ( size_t n = 0; n < count; n++ ) { |
| 849 | wxString extensions = m_aExtensions[n]; |
| 850 | while ( !extensions.IsEmpty() ) { |
| 851 | wxString field = extensions.BeforeFirst(_T(' ')); |
| 852 | extensions = extensions.AfterFirst(_T(' ')); |
| 853 | |
| 854 | // consider extensions as not being case-sensitive |
| 855 | if ( field.IsSameAs(ext, FALSE /* no case */) ) { |
| 856 | // found |
| 857 | wxFileType *fileType = new wxFileType; |
| 858 | fileType->m_impl->Init(this, n); |
| 859 | |
| 860 | return fileType; |
| 861 | } |
| 862 | } |
| 863 | } |
| 864 | |
| 865 | // not found |
| 866 | return NULL; |
| 867 | } |
| 868 | |
| 869 | wxFileType * |
| 870 | wxMimeTypesManagerImpl::GetFileTypeFromMimeType(const wxString& mimeType) |
| 871 | { |
| 872 | // mime types are not case-sensitive |
| 873 | wxString mimetype(mimeType); |
| 874 | mimetype.MakeLower(); |
| 875 | |
| 876 | // first look for an exact match |
| 877 | int index = m_aTypes.Index(mimetype); |
| 878 | if ( index == wxNOT_FOUND ) { |
| 879 | // then try to find "text/*" as match for "text/plain" (for example) |
| 880 | // NB: if mimeType doesn't contain '/' at all, BeforeFirst() will return |
| 881 | // the whole string - ok. |
| 882 | wxString strCategory = mimetype.BeforeFirst(_T('/')); |
| 883 | |
| 884 | size_t nCount = m_aTypes.Count(); |
| 885 | for ( size_t n = 0; n < nCount; n++ ) { |
| 886 | if ( (m_aTypes[n].BeforeFirst(_T('/')) == strCategory ) && |
| 887 | m_aTypes[n].AfterFirst(_T('/')) == _T("*") ) { |
| 888 | index = n; |
| 889 | break; |
| 890 | } |
| 891 | } |
| 892 | } |
| 893 | |
| 894 | if ( index != wxNOT_FOUND ) { |
| 895 | wxFileType *fileType = new wxFileType; |
| 896 | fileType->m_impl->Init(this, index); |
| 897 | |
| 898 | return fileType; |
| 899 | } |
| 900 | else { |
| 901 | // not found... |
| 902 | return NULL; |
| 903 | } |
| 904 | } |
| 905 | |
| 906 | bool wxMimeTypesManagerImpl::ReadMimeTypes(const wxString& strFileName) |
| 907 | { |
| 908 | wxLogTrace(_T("--- Parsing mime.types file '%s' ---"), strFileName.c_str()); |
| 909 | |
| 910 | wxTextFile file(strFileName); |
| 911 | if ( !file.Open() ) |
| 912 | return FALSE; |
| 913 | |
| 914 | // the information we extract |
| 915 | wxString strMimeType, strDesc, strExtensions; |
| 916 | |
| 917 | size_t nLineCount = file.GetLineCount(); |
| 918 | const wxChar *pc = NULL; |
| 919 | for ( size_t nLine = 0; nLine < nLineCount; nLine++ ) { |
| 920 | if ( pc == NULL ) { |
| 921 | // now we're at the start of the line |
| 922 | pc = file[nLine].c_str(); |
| 923 | } |
| 924 | else { |
| 925 | // we didn't finish with the previous line yet |
| 926 | nLine--; |
| 927 | } |
| 928 | |
| 929 | // skip whitespace |
| 930 | while ( wxIsspace(*pc) ) |
| 931 | pc++; |
| 932 | |
| 933 | // comment? |
| 934 | if ( *pc == _T('#') ) { |
| 935 | // skip the whole line |
| 936 | pc = NULL; |
| 937 | continue; |
| 938 | } |
| 939 | |
| 940 | // detect file format |
| 941 | const wxChar *pEqualSign = wxStrchr(pc, _T('=')); |
| 942 | if ( pEqualSign == NULL ) { |
| 943 | // brief format |
| 944 | // ------------ |
| 945 | |
| 946 | // first field is mime type |
| 947 | for ( strMimeType.Empty(); !wxIsspace(*pc) && *pc != _T('\0'); pc++ ) { |
| 948 | strMimeType += *pc; |
| 949 | } |
| 950 | |
| 951 | // skip whitespace |
| 952 | while ( wxIsspace(*pc) ) |
| 953 | pc++; |
| 954 | |
| 955 | // take all the rest of the string |
| 956 | strExtensions = pc; |
| 957 | |
| 958 | // no description... |
| 959 | strDesc.Empty(); |
| 960 | } |
| 961 | else { |
| 962 | // expanded format |
| 963 | // --------------- |
| 964 | |
| 965 | // the string on the left of '=' is the field name |
| 966 | wxString strLHS(pc, pEqualSign - pc); |
| 967 | |
| 968 | // eat whitespace |
| 969 | for ( pc = pEqualSign + 1; wxIsspace(*pc); pc++ ) |
| 970 | ; |
| 971 | |
| 972 | const wxChar *pEnd; |
| 973 | if ( *pc == _T('"') ) { |
| 974 | // the string is quoted and ends at the matching quote |
| 975 | pEnd = wxStrchr(++pc, _T('"')); |
| 976 | if ( pEnd == NULL ) { |
| 977 | wxLogWarning(_("Mime.types file %s, line %d: unterminated " |
| 978 | "quoted string."), |
| 979 | strFileName.c_str(), nLine + 1); |
| 980 | } |
| 981 | } |
| 982 | else { |
| 983 | // unquoted string ends at the first space |
| 984 | for ( pEnd = pc; !wxIsspace(*pEnd); pEnd++ ) |
| 985 | ; |
| 986 | } |
| 987 | |
| 988 | // now we have the RHS (field value) |
| 989 | wxString strRHS(pc, pEnd - pc); |
| 990 | |
| 991 | // check what follows this entry |
| 992 | if ( *pEnd == _T('"') ) { |
| 993 | // skip this quote |
| 994 | pEnd++; |
| 995 | } |
| 996 | |
| 997 | for ( pc = pEnd; wxIsspace(*pc); pc++ ) |
| 998 | ; |
| 999 | |
| 1000 | // if there is something left, it may be either a '\\' to continue |
| 1001 | // the line or the next field of the same entry |
| 1002 | bool entryEnded = *pc == _T('\0'), |
| 1003 | nextFieldOnSameLine = FALSE; |
| 1004 | if ( !entryEnded ) { |
| 1005 | nextFieldOnSameLine = ((*pc != _T('\\')) || (pc[1] != _T('\0'))); |
| 1006 | } |
| 1007 | |
| 1008 | // now see what we got |
| 1009 | if ( strLHS == _T("type") ) { |
| 1010 | strMimeType = strRHS; |
| 1011 | } |
| 1012 | else if ( strLHS == _T("desc") ) { |
| 1013 | strDesc = strRHS; |
| 1014 | } |
| 1015 | else if ( strLHS == _T("exts") ) { |
| 1016 | strExtensions = strRHS; |
| 1017 | } |
| 1018 | else { |
| 1019 | wxLogWarning(_("Unknown field in file %s, line %d: '%s'."), |
| 1020 | strFileName.c_str(), nLine + 1, strLHS.c_str()); |
| 1021 | } |
| 1022 | |
| 1023 | if ( !entryEnded ) { |
| 1024 | if ( !nextFieldOnSameLine ) |
| 1025 | pc = NULL; |
| 1026 | //else: don't reset it |
| 1027 | |
| 1028 | // as we don't reset strMimeType, the next field in this entry |
| 1029 | // will be interpreted correctly. |
| 1030 | |
| 1031 | continue; |
| 1032 | } |
| 1033 | } |
| 1034 | |
| 1035 | // although it doesn't seem to be covered by RFCs, some programs |
| 1036 | // (notably Netscape) create their entries with several comma |
| 1037 | // separated extensions (RFC mention the spaces only) |
| 1038 | strExtensions.Replace(_T(","), _T(" ")); |
| 1039 | |
| 1040 | // also deal with the leading dot |
| 1041 | if ( !strExtensions.IsEmpty() && strExtensions[0] == _T('.') ) { |
| 1042 | strExtensions.erase(0, 1); |
| 1043 | } |
| 1044 | |
| 1045 | int index = m_aTypes.Index(strMimeType); |
| 1046 | if ( index == wxNOT_FOUND ) { |
| 1047 | // add a new entry |
| 1048 | m_aTypes.Add(strMimeType); |
| 1049 | m_aEntries.Add(NULL); |
| 1050 | m_aExtensions.Add(strExtensions); |
| 1051 | m_aDescriptions.Add(strDesc); |
| 1052 | } |
| 1053 | else { |
| 1054 | // modify an existing one |
| 1055 | if ( !strDesc.IsEmpty() ) { |
| 1056 | m_aDescriptions[index] = strDesc; // replace old value |
| 1057 | } |
| 1058 | m_aExtensions[index] += strExtensions; |
| 1059 | } |
| 1060 | |
| 1061 | // finished with this line |
| 1062 | pc = NULL; |
| 1063 | } |
| 1064 | |
| 1065 | // check our data integriry |
| 1066 | wxASSERT( m_aTypes.Count() == m_aEntries.Count() && |
| 1067 | m_aTypes.Count() == m_aExtensions.Count() && |
| 1068 | m_aTypes.Count() == m_aDescriptions.Count() ); |
| 1069 | |
| 1070 | return TRUE; |
| 1071 | } |
| 1072 | |
| 1073 | bool wxMimeTypesManagerImpl::ReadMailcap(const wxString& strFileName, |
| 1074 | bool fallback) |
| 1075 | { |
| 1076 | wxLogTrace(_T("--- Parsing mailcap file '%s' ---"), strFileName.c_str()); |
| 1077 | |
| 1078 | wxTextFile file(strFileName); |
| 1079 | if ( !file.Open() ) |
| 1080 | return FALSE; |
| 1081 | |
| 1082 | // see the comments near the end of function for the reason we need these |
| 1083 | // variables (search for the next occurence of them) |
| 1084 | // indices of MIME types (in m_aTypes) we already found in this file |
| 1085 | wxArrayInt aEntryIndices; |
| 1086 | // aLastIndices[n] is the index of last element in |
| 1087 | // m_aEntries[aEntryIndices[n]] from this file |
| 1088 | wxArrayInt aLastIndices; |
| 1089 | |
| 1090 | size_t nLineCount = file.GetLineCount(); |
| 1091 | for ( size_t nLine = 0; nLine < nLineCount; nLine++ ) { |
| 1092 | // now we're at the start of the line |
| 1093 | const wxChar *pc = file[nLine].c_str(); |
| 1094 | |
| 1095 | // skip whitespace |
| 1096 | while ( wxIsspace(*pc) ) |
| 1097 | pc++; |
| 1098 | |
| 1099 | // comment or empty string? |
| 1100 | if ( *pc == _T('#') || *pc == _T('\0') ) |
| 1101 | continue; |
| 1102 | |
| 1103 | // no, do parse |
| 1104 | |
| 1105 | // what field are we currently in? The first 2 are fixed and there may |
| 1106 | // be an arbitrary number of other fields -- currently, we are not |
| 1107 | // interested in any of them, but we should parse them as well... |
| 1108 | enum |
| 1109 | { |
| 1110 | Field_Type, |
| 1111 | Field_OpenCmd, |
| 1112 | Field_Other |
| 1113 | } currentToken = Field_Type; |
| 1114 | |
| 1115 | // the flags and field values on the current line |
| 1116 | bool needsterminal = FALSE, |
| 1117 | copiousoutput = FALSE; |
| 1118 | wxString strType, |
| 1119 | strOpenCmd, |
| 1120 | strPrintCmd, |
| 1121 | strTest, |
| 1122 | strDesc, |
| 1123 | curField; // accumulator |
| 1124 | for ( bool cont = TRUE; cont; pc++ ) { |
| 1125 | switch ( *pc ) { |
| 1126 | case _T('\\'): |
| 1127 | // interpret the next character literally (notice that |
| 1128 | // backslash can be used for line continuation) |
| 1129 | if ( *++pc == _T('\0') ) { |
| 1130 | // fetch the next line. |
| 1131 | |
| 1132 | // pc currently points to nowhere, but after the next |
| 1133 | // pc++ in the for line it will point to the beginning |
| 1134 | // of the next line in the file |
| 1135 | pc = file[++nLine].c_str() - 1; |
| 1136 | } |
| 1137 | else { |
| 1138 | // just a normal character |
| 1139 | curField += *pc; |
| 1140 | } |
| 1141 | break; |
| 1142 | |
| 1143 | case _T('\0'): |
| 1144 | cont = FALSE; // end of line reached, exit the loop |
| 1145 | |
| 1146 | // fall through |
| 1147 | |
| 1148 | case _T(';'): |
| 1149 | // store this field and start looking for the next one |
| 1150 | |
| 1151 | // trim whitespaces from both sides |
| 1152 | curField.Trim(TRUE).Trim(FALSE); |
| 1153 | |
| 1154 | switch ( currentToken ) { |
| 1155 | case Field_Type: |
| 1156 | strType = curField; |
| 1157 | if ( strType.Find(_T('/')) == wxNOT_FOUND ) { |
| 1158 | // we interpret "type" as "type/*" |
| 1159 | strType += _T("/*"); |
| 1160 | } |
| 1161 | |
| 1162 | currentToken = Field_OpenCmd; |
| 1163 | break; |
| 1164 | |
| 1165 | case Field_OpenCmd: |
| 1166 | strOpenCmd = curField; |
| 1167 | |
| 1168 | currentToken = Field_Other; |
| 1169 | break; |
| 1170 | |
| 1171 | case Field_Other: |
| 1172 | { |
| 1173 | // "good" mailcap entry? |
| 1174 | bool ok = TRUE; |
| 1175 | |
| 1176 | // is this something of the form foo=bar? |
| 1177 | const wxChar *pEq = wxStrchr(curField, _T('=')); |
| 1178 | if ( pEq != NULL ) { |
| 1179 | wxString lhs = curField.BeforeFirst(_T('=')), |
| 1180 | rhs = curField.AfterFirst(_T('=')); |
| 1181 | |
| 1182 | lhs.Trim(TRUE); // from right |
| 1183 | rhs.Trim(FALSE); // from left |
| 1184 | |
| 1185 | if ( lhs == _T("print") ) |
| 1186 | strPrintCmd = rhs; |
| 1187 | else if ( lhs == _T("test") ) |
| 1188 | strTest = rhs; |
| 1189 | else if ( lhs == _T("description") ) { |
| 1190 | // it might be quoted |
| 1191 | if ( rhs[0u] == _T('"') && |
| 1192 | rhs.Last() == _T('"') ) { |
| 1193 | strDesc = wxString(rhs.c_str() + 1, |
| 1194 | rhs.Len() - 2); |
| 1195 | } |
| 1196 | else { |
| 1197 | strDesc = rhs; |
| 1198 | } |
| 1199 | } |
| 1200 | else if ( lhs == _T("compose") || |
| 1201 | lhs == _T("composetyped") || |
| 1202 | lhs == _T("notes") || |
| 1203 | lhs == _T("edit") ) |
| 1204 | ; // ignore |
| 1205 | else |
| 1206 | ok = FALSE; |
| 1207 | |
| 1208 | } |
| 1209 | else { |
| 1210 | // no, it's a simple flag |
| 1211 | // TODO support the flags: |
| 1212 | // 1. create an xterm for 'needsterminal' |
| 1213 | // 2. append "| $PAGER" for 'copiousoutput' |
| 1214 | if ( curField == _T("needsterminal") ) |
| 1215 | needsterminal = TRUE; |
| 1216 | else if ( curField == _T("copiousoutput") ) |
| 1217 | copiousoutput = TRUE; |
| 1218 | else if ( curField == _T("textualnewlines") ) |
| 1219 | ; // ignore |
| 1220 | else |
| 1221 | ok = FALSE; |
| 1222 | } |
| 1223 | |
| 1224 | if ( !ok ) |
| 1225 | { |
| 1226 | // don't flood the user with error messages |
| 1227 | // if we don't understand something in his |
| 1228 | // mailcap, but give them in debug mode |
| 1229 | // because this might be useful for the |
| 1230 | // programmer |
| 1231 | wxLogDebug |
| 1232 | ( |
| 1233 | _T("Mailcap file %s, line %d: unknown " |
| 1234 | "field '%s' for the MIME type " |
| 1235 | "'%s' ignored."), |
| 1236 | strFileName.c_str(), |
| 1237 | nLine + 1, |
| 1238 | curField.c_str(), |
| 1239 | strType.c_str() |
| 1240 | ); |
| 1241 | } |
| 1242 | } |
| 1243 | |
| 1244 | // it already has this value |
| 1245 | //currentToken = Field_Other; |
| 1246 | break; |
| 1247 | |
| 1248 | default: |
| 1249 | wxFAIL_MSG(_T("unknown field type in mailcap")); |
| 1250 | } |
| 1251 | |
| 1252 | // next token starts immediately after ';' |
| 1253 | curField.Empty(); |
| 1254 | break; |
| 1255 | |
| 1256 | default: |
| 1257 | curField += *pc; |
| 1258 | } |
| 1259 | } |
| 1260 | |
| 1261 | // check that we really read something reasonable |
| 1262 | if ( currentToken == Field_Type || currentToken == Field_OpenCmd ) { |
| 1263 | wxLogWarning(_("Mailcap file %s, line %d: incomplete entry " |
| 1264 | "ignored."), |
| 1265 | strFileName.c_str(), nLine + 1); |
| 1266 | } |
| 1267 | else { |
| 1268 | MailCapEntry *entry = new MailCapEntry(strOpenCmd, |
| 1269 | strPrintCmd, |
| 1270 | strTest); |
| 1271 | |
| 1272 | strType.MakeLower(); |
| 1273 | int nIndex = m_aTypes.Index(strType); |
| 1274 | if ( nIndex == wxNOT_FOUND ) { |
| 1275 | // new file type |
| 1276 | m_aTypes.Add(strType); |
| 1277 | |
| 1278 | m_aEntries.Add(entry); |
| 1279 | m_aExtensions.Add(_T("")); |
| 1280 | m_aDescriptions.Add(strDesc); |
| 1281 | } |
| 1282 | else { |
| 1283 | // modify the existing entry: the entries in one and the same |
| 1284 | // file are read in top-to-bottom order, i.e. the entries read |
| 1285 | // first should be tried before the entries below. However, |
| 1286 | // the files read later should override the settings in the |
| 1287 | // files read before (except if fallback is TRUE), thus we |
| 1288 | // Insert() the new entry to the list if it has already |
| 1289 | // occured in _this_ file, but Prepend() it if it occured in |
| 1290 | // some of the previous ones and Append() to it in the |
| 1291 | // fallback case |
| 1292 | |
| 1293 | if ( fallback ) { |
| 1294 | // 'fallback' parameter prevents the entries from this |
| 1295 | // file from overriding the other ones - always append |
| 1296 | MailCapEntry *entryOld = m_aEntries[nIndex]; |
| 1297 | if ( entryOld ) |
| 1298 | entry->Append(entryOld); |
| 1299 | else |
| 1300 | m_aEntries[nIndex] = entry; |
| 1301 | } |
| 1302 | else { |
| 1303 | int entryIndex = aEntryIndices.Index(nIndex); |
| 1304 | if ( entryIndex == wxNOT_FOUND ) { |
| 1305 | // first time in this file |
| 1306 | aEntryIndices.Add(nIndex); |
| 1307 | aLastIndices.Add(0); |
| 1308 | |
| 1309 | entry->Prepend(m_aEntries[nIndex]); |
| 1310 | m_aEntries[nIndex] = entry; |
| 1311 | } |
| 1312 | else { |
| 1313 | // not the first time in _this_ file |
| 1314 | size_t nEntryIndex = (size_t)entryIndex; |
| 1315 | MailCapEntry *entryOld = m_aEntries[nIndex]; |
| 1316 | if ( entryOld ) |
| 1317 | entry->Insert(entryOld, aLastIndices[nEntryIndex]); |
| 1318 | else |
| 1319 | m_aEntries[nIndex] = entry; |
| 1320 | |
| 1321 | // the indices were shifted by 1 |
| 1322 | aLastIndices[nEntryIndex]++; |
| 1323 | } |
| 1324 | } |
| 1325 | |
| 1326 | if ( !strDesc.IsEmpty() ) { |
| 1327 | // replace the old one - what else can we do?? |
| 1328 | m_aDescriptions[nIndex] = strDesc; |
| 1329 | } |
| 1330 | } |
| 1331 | } |
| 1332 | |
| 1333 | // check our data integriry |
| 1334 | wxASSERT( m_aTypes.Count() == m_aEntries.Count() && |
| 1335 | m_aTypes.Count() == m_aExtensions.Count() && |
| 1336 | m_aTypes.Count() == m_aDescriptions.Count() ); |
| 1337 | } |
| 1338 | |
| 1339 | return TRUE; |
| 1340 | } |
| 1341 | |
| 1342 | #endif |
| 1343 | // OS type |
| 1344 | |
| 1345 | #endif |
| 1346 | // wxUSE_FILE && wxUSE_TEXTFILE |
| 1347 | |
| 1348 | #endif |
| 1349 | // __WIN16__ |