X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e1e9ea4097558e6d6bd42e6d40dc44d63e0643d3..0fa7981012f56dda16963b23699a2c65f8c61354:/src/unix/mimetype.cpp diff --git a/src/unix/mimetype.cpp b/src/unix/mimetype.cpp index c6f51fb542..fffd9d50dd 100644 --- a/src/unix/mimetype.cpp +++ b/src/unix/mimetype.cpp @@ -82,12 +82,12 @@ static bool IsKnownUnimportantField(const wxString& field); // private classes // ---------------------------------------------------------------------------- - -// this class uses both mailcap and mime.types to gather information about file +// This class uses both mailcap and mime.types to gather information about file // types. // -// The information about mailcap file was extracted from metamail(1) sources and -// documentation. +// The information about mailcap file was extracted from metamail(1) sources +// and documentation and subsequently revised when I found the RFC 1524 +// describing it. // // Format of mailcap file: spaces are ignored, each line is either a comment // (starts with '#') or a line of the form ;;...;. @@ -114,7 +114,8 @@ static bool IsKnownUnimportantField(const wxString& field); // * print=xxx is the command to be used to print (and not view) the data of // this type (parameter/filename expansion is done here too) // * edit=xxx is the command to open/edit the data of this type -// * needsterminal means that a new console must be created for the viewer +// * needsterminal means that a new interactive console must be created for +// the viewer // * copiousoutput means that the viewer doesn't interact with the user but // produces (possibly) a lof of lines of output on stdout (i.e. "cat" is a // good example), thus it might be a good idea to use some kind of paging @@ -123,7 +124,7 @@ static bool IsKnownUnimportantField(const wxString& field); // * compose and composetyped fields are used to determine the program to be // called to create a new message pert in the specified format (unused). // -// Parameter/filename xpansion: +// Parameter/filename expansion: // * %s is replaced with the (full) file name // * %t is replaced with MIME type/subtype of the entry // * for multipart type only %n is replaced with the nnumber of parts and %F is @@ -132,18 +133,20 @@ static bool IsKnownUnimportantField(const wxString& field); // * %{parameter} is replaced with the value of parameter taken from // Content-type header line of the message. // -// FIXME any docs with real descriptions of these files?? // // There are 2 possible formats for mime.types file, one entry per line (used -// for global mime.types) and "expanded" format where an entry takes multiple -// lines (used for users mime.types). +// for global mime.types and called Mosaic format) and "expanded" format where +// an entry takes multiple lines (used for users mime.types and called +// Netscape format). // // For both formats spaces are ignored and lines starting with a '#' are // comments. Each record has one of two following forms: // a) for "brief" format: // // b) for "expanded" format: -// type= \ desc="" \ exts="ext" +// type= \ +// desc="" \ +// exts="" // // We try to autodetect the format of mime.types: if a non-comment line starts // with "type=" we assume the second format, otherwise the first one. @@ -636,7 +639,7 @@ bool wxGNOMEIconHandler::GetIcon(const wxString& mimetype, *icon = icn; #else // helpful for testing in console mode - wxLogDebug(_T("Found GNOME icon for '%s': '%s'\n"), + wxLogTrace(TRACE_MIME, _T("Found GNOME icon for '%s': '%s'\n"), mimetype.c_str(), iconname.c_str()); #endif @@ -676,45 +679,69 @@ void wxKDEIconHandler::LoadLinksForMimeSubtype(const wxString& dirbase, if ( !file.ReadAll(&text) ) return; - int pos; - const wxChar *pc; + // first find the description string: it is the value in either "Comment=" + // line or "Comment[]=" one + int posComment = wxNOT_FOUND; - // before trying to find an icon, grab mimetype information - // (because BFU's machine would hardly have well-edited mime.types but (s)he might - // have edited it in control panel...) + wxString comment; +#if wxUSE_INTL + wxLocale *locale = wxGetLocale(); + if ( locale ) + { + // try "Comment[locale name]" first + comment << _T("Comment[") + locale->GetName() + _T("]="); - wxString mime_extension, mime_desc; + posComment = text.Find(comment); + } +#endif // wxUSE_INTL - pos = wxNOT_FOUND; - if (wxGetLocale() != NULL) - mime_desc = _T("Comment[") + wxGetLocale()->GetName() + _T("]="); - if (pos == wxNOT_FOUND) mime_desc = _T("Comment="); - pos = text.Find(mime_desc); - if (pos == wxNOT_FOUND) mime_desc = wxEmptyString; - else + if ( posComment == wxNOT_FOUND ) + { + comment = _T("Comment="); + + posComment = text.Find(comment); + } + + wxString mime_desc; + if ( posComment != wxNOT_FOUND ) { - pc = text.c_str() + pos + mime_desc.Length(); - mime_desc = wxEmptyString; - while ( *pc && *pc != _T('\n') ) mime_desc += *pc++; + // found desc: it follows the comment until the end of line + const wxChar *pc = text.c_str() + posComment + comment.length(); + while ( *pc && *pc != _T('\n') ) + { + mime_desc += *pc++; + } } + //else: no description + + // next find the extensions + wxString mime_extension; - pos = text.Find(_T("Patterns=")); - if (pos != wxNOT_FOUND) + int posExts = text.Find(_T("Patterns=")); + if ( posExts != wxNOT_FOUND ) { wxString exts; - pc = text.c_str() + pos + 9; - while ( *pc && *pc != _T('\n') ) exts += *pc++; - wxStringTokenizer tokenizer(exts, _T(";")); - wxString e; + const wxChar *pc = text.c_str() + posExts + 9; // strlen("Patterns=") + while ( *pc && *pc != _T('\n') ) + { + exts += *pc++; + } - while (tokenizer.HasMoreTokens()) + wxStringTokenizer tokenizer(exts, _T(";")); + while ( tokenizer.HasMoreTokens() ) { - e = tokenizer.GetNextToken(); - if (e.Left(2) != _T("*.")) continue; // don't support too difficult patterns + wxString e = tokenizer.GetNextToken(); + if ( e.Left(2) != _T("*.") ) + continue; // don't support too difficult patterns + + if ( !mime_extension.empty() ) + { + // separate from the previous ext + mime_extension << _T(' '); + } + mime_extension << e.Mid(2); - mime_extension << _T(' '); } - mime_extension.RemoveLast(); } ms_infoTypes.Add(mimetype); @@ -723,8 +750,8 @@ void wxKDEIconHandler::LoadLinksForMimeSubtype(const wxString& dirbase, // ok, now we can take care of icon: - pos = text.Find(_T("Icon=")); - if ( pos == wxNOT_FOUND ) + int posIcon = text.Find(_T("Icon=")); + if ( posIcon == wxNOT_FOUND ) { // no icon info return; @@ -732,7 +759,7 @@ void wxKDEIconHandler::LoadLinksForMimeSubtype(const wxString& dirbase, wxString icon; - pc = text.c_str() + pos + 5; // 5 == strlen("Icon=") + const wxChar *pc = text.c_str() + posIcon + 5; // 5 == strlen("Icon=") while ( *pc && *pc != _T('\n') ) { icon += *pc++; @@ -882,7 +909,7 @@ bool wxKDEIconHandler::GetIcon(const wxString& mimetype, *icon = icn; #else // helpful for testing in console mode - wxLogDebug(_T("Found KDE icon for '%s': '%s'\n"), + wxLogTrace(TRACE_MIME, _T("Found KDE icon for '%s': '%s'\n"), mimetype.c_str(), iconname.c_str()); #endif @@ -1041,11 +1068,22 @@ ArrayIconHandlers& wxMimeTypesManagerImpl::GetIconHandlers() return ms_iconHandlers; } -// read system and user mailcaps (TODO implement mime.types support) wxMimeTypesManagerImpl::wxMimeTypesManagerImpl() +{ + m_initialized = FALSE; +} + +// read system and user mailcaps and other files +void wxMimeTypesManagerImpl::Initialize() { // directories where we look for mailcap and mime.types by default // (taken from metamail(1) sources) + // + // although RFC 1524 specifies the search path of + // /etc/:/usr/etc:/usr/local/etc only, it doesn't hurt to search in more + // places - OTOH, the RFC also says that this path can be changed with + // MAILCAPS environment variable (containing the colon separated full + // filenames to try) which is not done yet (TODO?) static const wxChar *aStandardLocations[] = { wxT("/etc"), @@ -1096,13 +1134,23 @@ wxMimeTypesManagerImpl::wxMimeTypesManagerImpl() wxMimeTypesManagerImpl::~wxMimeTypesManagerImpl() { size_t cnt = m_aEntries.GetCount(); - for (size_t i = 0; i < cnt; i++) delete m_aEntries[i]; + for (size_t i = 0; i < cnt; i++) + delete m_aEntries[i]; } +wxFileType * +wxMimeTypesManagerImpl::Associate(const wxFileTypeInfo& ftInfo) +{ + wxFAIL_MSG( _T("unimplemented") ); // TODO + + return NULL; +} wxFileType * wxMimeTypesManagerImpl::GetFileTypeFromExtension(const wxString& ext) { + InitIfNeeded(); + wxFileType *fileType = NULL; size_t count = m_aExtensions.GetCount(); for ( size_t n = 0; n < count; n++ ) { @@ -1127,6 +1175,8 @@ wxMimeTypesManagerImpl::GetFileTypeFromExtension(const wxString& ext) wxFileType * wxMimeTypesManagerImpl::GetFileTypeFromMimeType(const wxString& mimeType) { + InitIfNeeded(); + // mime types are not case-sensitive wxString mimetype(mimeType); mimetype.MakeLower(); @@ -1163,6 +1213,8 @@ wxMimeTypesManagerImpl::GetFileTypeFromMimeType(const wxString& mimeType) void wxMimeTypesManagerImpl::AddFallback(const wxFileTypeInfo& filetype) { + InitIfNeeded(); + wxString extensions; const wxArrayString& exts = filetype.GetExtensions(); size_t nExts = exts.GetCount(); @@ -1188,6 +1240,8 @@ void wxMimeTypesManagerImpl::AddMimeTypeInfo(const wxString& strMimeType, const wxString& strExtensions, const wxString& strDesc) { + InitIfNeeded(); + int index = m_aTypes.Index(strMimeType); if ( index == wxNOT_FOUND ) { // add a new entry @@ -1211,6 +1265,8 @@ void wxMimeTypesManagerImpl::AddMailcapInfo(const wxString& strType, const wxString& strTest, const wxString& strDesc) { + InitIfNeeded(); + MailCapEntry *entry = new MailCapEntry(strOpenCmd, strPrintCmd, strTest); int nIndex = m_aTypes.Index(strType); @@ -1364,9 +1420,8 @@ bool wxMimeTypesManagerImpl::ReadMimeTypes(const wxString& strFileName) } } - // although it doesn't seem to be covered by RFCs, some programs - // (notably Netscape) create their entries with several comma - // separated extensions (RFC mention the spaces only) + // depending on the format (Mosaic or Netscape) either space or comma + // is used to separate the extensions strExtensions.Replace(wxT(","), wxT(" ")); // also deal with the leading dot @@ -1441,18 +1496,31 @@ bool wxMimeTypesManagerImpl::ReadMailcap(const wxString& strFileName, strTest, strDesc, curField; // accumulator - for ( bool cont = TRUE; cont; pc++ ) { + bool cont = TRUE; + while ( cont ) { switch ( *pc ) { case wxT('\\'): // interpret the next character literally (notice that // backslash can be used for line continuation) if ( *++pc == wxT('\0') ) { - // fetch the next line. - - // pc currently points to nowhere, but after the next - // pc++ in the for line it will point to the beginning - // of the next line in the file - pc = file[++nLine].c_str() - 1; + // fetch the next line if there is one + if ( nLine == nLineCount - 1 ) { + // something is wrong, bail out + cont = FALSE; + + wxLogDebug(wxT("Mailcap file %s, line %d: " + "'\\' on the end of the last line " + "ignored."), + strFileName.c_str(), + nLine + 1); + } + else { + // pass to the beginning of the next line + pc = file[++nLine].c_str(); + + // skip pc++ at the end of the loop + continue; + } } else { // just a normal character @@ -1474,6 +1542,12 @@ bool wxMimeTypesManagerImpl::ReadMailcap(const wxString& strFileName, switch ( currentToken ) { case Field_Type: strType = curField; + if ( strType.empty() ) { + // I don't think that this is a valid mailcap + // entry, but try to interpret it somehow + strType = _T('*'); + } + if ( strType.Find(wxT('/')) == wxNOT_FOUND ) { // we interpret "type" as "type/*" strType += wxT("/*"); @@ -1489,7 +1563,7 @@ bool wxMimeTypesManagerImpl::ReadMailcap(const wxString& strFileName, break; case Field_Other: - { + if ( !curField.empty() ) { // "good" mailcap entry? bool ok = TRUE; @@ -1564,6 +1638,7 @@ bool wxMimeTypesManagerImpl::ReadMailcap(const wxString& strFileName, } } } + //else: the field is empty, ignore silently // it already has this value //currentToken = Field_Other; @@ -1580,6 +1655,9 @@ bool wxMimeTypesManagerImpl::ReadMailcap(const wxString& strFileName, default: curField += *pc; } + + // continue in the same line + pc++; } // check that we really read something reasonable @@ -1592,6 +1670,11 @@ bool wxMimeTypesManagerImpl::ReadMailcap(const wxString& strFileName, // support for flags: // 1. create an xterm for 'needsterminal' // 2. append "| $PAGER" for 'copiousoutput' + // + // Note that the RFC says that having both needsterminal and + // copiousoutput is probably a mistake, so it seems that running + // programs with copiousoutput inside an xterm as it is done now + // is a bad idea (FIXME) if ( copiousoutput ) { const wxChar *p = wxGetenv(_T("PAGER")); strOpenCmd << _T(" | ") << (p ? p : _T("more")); @@ -1680,6 +1763,8 @@ bool wxMimeTypesManagerImpl::ReadMailcap(const wxString& strFileName, size_t wxMimeTypesManagerImpl::EnumAllFileTypes(wxArrayString& mimetypes) { + InitIfNeeded(); + mimetypes.Empty(); wxString type; @@ -1697,6 +1782,17 @@ size_t wxMimeTypesManagerImpl::EnumAllFileTypes(wxArrayString& mimetypes) return mimetypes.GetCount(); } +// ---------------------------------------------------------------------------- +// writing to MIME type files +// ---------------------------------------------------------------------------- + +bool wxFileTypeImpl::Unassociate() +{ + wxFAIL_MSG( _T("unimplemented") ); // TODO + + return FALSE; +} + // ---------------------------------------------------------------------------- // private functions // ----------------------------------------------------------------------------