always properly check if SeekI() calls succeded; this makes CanRead() functions of...

[wxWidgets.git] / src / unix / mimetype.cpp

diff --git a/src/unix/mimetype.cpp b/src/unix/mimetype.cpp
index 5c7ba44abb6e59bed8362d866f32e037c2dd4e80..0d9b2bed5531bf35531f958370923ec67aa32d00 100644 (file)
--- a/src/unix/mimetype.cpp
+++ b/src/unix/mimetype.cpp
@@ -16,7 +16,7 @@
     #pragma hdrstop
 #endif
 
-#if wxUSE_MIMETYPE && wxUSE_FILE && wxUSE_TEXTFILE
+#if wxUSE_MIMETYPE && wxUSE_FILE
 
 #include "wx/unix/mimetype.h"
 
@@ -32,7 +32,6 @@
 #include "wx/confbase.h"
 
 #include "wx/ffile.h"
-#include "wx/textfile.h"
 #include "wx/dir.h"
 #include "wx/tokenzr.h"
 #include "wx/iconloc.h"
@@ -46,39 +45,39 @@
 class wxMimeTextFile
 {
 public:
-    wxMimeTextFile() 
+    wxMimeTextFile()
     {
     }
-    
+
     wxMimeTextFile(const wxString& fname)
     {
        m_fname = fname;
     }
-    
+
     bool Open()
     {
        wxFFile file( m_fname );
        if (!file.IsOpened())
           return false;
-          
+
        size_t size = file.Length();
        wxCharBuffer buffer( size );
        file.Read( (void*) (const char*) buffer, size );
-       
+
        // Check for valid UTF-8 here?
        wxString all = wxString::FromUTF8( buffer, size );
-       
+
        wxStringTokenizer tok( all, "\n" );
        while (tok.HasMoreTokens())
        {
           wxString t = tok.GetNextToken();
           t.MakeLower();
-          if ((!!t) && (t.Find( "comment" ) != 0) && (t.Find( "generic" ) != 0))
+          if ((!!t) && (t.Find( "comment" ) != 0) && (t.Find( "#" ) != 0) && (t.Find( "generic" ) != 0))
              m_text.Add( t );
        }
        return true;
     }
-    
+
     unsigned int GetLineCount() const { return m_text.GetCount(); }
     wxString &GetLine( unsigned int line ) { return m_text[line]; }
 
@@ -117,7 +116,7 @@ public:
         wxString sTmp = GetLine(i).AfterFirst(wxT('='));
         return sTmp;
     }
-    
+
 private:
     wxArrayString m_text;
     wxString m_fname;
@@ -139,7 +138,7 @@ void wxMimeTypesManagerImpl::LoadXDGApp(const wxString& filename)
     wxMimeTextFile file(filename);
     if ( !file.Open() )
         return;
- 
+
     // Here, only type 'Application' should be considered.
     int nIndex = file.pIndexOf( "Type=" );
     if (nIndex != wxNOT_FOUND && file.GetCmd(nIndex) != "application")
@@ -231,10 +230,10 @@ void wxMimeTypesManagerImpl::LoadXDGAppsFilesFromDir(const wxString& dirname)
         cont = dir.GetNext(&filename);
     }
 
-#if 0 
+#if 0
     // RR: I'm not sure this makes any sense. On my system we'll just
     //     scan the YAST2 and other useless directories
-    
+
     // Look recursively into subdirs
     cont = dir.GetFirst(&filename, wxEmptyString, wxDIR_DIRS);
     while (cont)
@@ -248,6 +247,31 @@ void wxMimeTypesManagerImpl::LoadXDGAppsFilesFromDir(const wxString& dirname)
 }
 
 
+void wxMimeTypesManagerImpl::LoadXDGGlobs(const wxString& filename)
+{
+    if ( !wxFileName::FileExists(filename) )
+        return;
+
+    wxLogTrace(TRACE_MIME, wxT("loading XDG globs file from %s"), filename.c_str());
+
+    wxMimeTextFile file(filename);
+    if ( !file.Open() )
+        return;
+
+    size_t i;
+    for (i = 0; i < file.GetLineCount(); i++)
+    {
+       wxStringTokenizer tok( file.GetLine(i), ":" );
+       wxString mime = tok.GetNextToken();
+       wxString ext = tok.GetNextToken();
+       ext.Remove( 0, 2 );
+       wxArrayString exts;
+       exts.Add( ext );
+
+       AddToMimeData(mime, wxEmptyString, NULL, exts, wxEmptyString, true );
+    }
+}
+
 // ----------------------------------------------------------------------------
 // wxFileTypeImpl (Unix)
 // ----------------------------------------------------------------------------
@@ -482,9 +506,9 @@ void wxMimeTypesManagerImpl::InitIfNeeded()
     {
         // set the flag first to prevent recursion
         m_initialized = true;
-        
+
         wxString wm = wxTheApp->GetTraits()->GetDesktopEnvironment();
-        
+
         if (wm == wxT("KDE"))
             Initialize( wxMAILCAP_KDE  );
         else if (wm == wxT("GNOME"))
@@ -494,6 +518,8 @@ void wxMimeTypesManagerImpl::InitIfNeeded()
     }
 }
 
+
+
 // read system and user mailcaps and other files
 void wxMimeTypesManagerImpl::Initialize(int mailcapStyles,
                                         const wxString& sExtraDir)
@@ -501,9 +527,13 @@ void wxMimeTypesManagerImpl::Initialize(int mailcapStyles,
 #ifdef __VMS
     // XDG tables are never installed on OpenVMS
     return;
-#endif
+#else
 
-    // Load desktop files for Gnome, and then override them with the Gnome defaults.
+    // Read MIME type - extension associations
+    LoadXDGGlobs( "/usr/share/mime/globs" );
+    LoadXDGGlobs( "/usr/local/share/mime/globs" );
+
+    // Load desktop files for XDG, and then override them with the defaults.
     // We will override them one desktop file at a time, rather
     // than one mime type at a time, but it should be a reasonable
     // heuristic.
@@ -525,7 +555,7 @@ void wxMimeTypesManagerImpl::Initialize(int mailcapStyles,
            xdgDataDirs += ':';
            xdgDataDirs += sExtraDir;
         }
-        
+
         wxArrayString dirs;
         wxStringTokenizer tokenizer(xdgDataDirs, ":");
         while ( tokenizer.HasMoreTokens() )
@@ -573,9 +603,8 @@ void wxMimeTypesManagerImpl::Initialize(int mailcapStyles,
                     {
                         if (textfile.GetLine(i).Find(wxT("=")) != wxNOT_FOUND)
                         {
-                            wxString mimeType = textfile.GetVerb(i);
                             wxString desktopFile = textfile.GetCmd(i);
-                            
+
                             if (deskTopFilesSeen.Index(desktopFile) == wxNOT_FOUND)
                             {
                                 deskTopFilesSeen.Add(desktopFile);
@@ -586,7 +615,7 @@ void wxMimeTypesManagerImpl::Initialize(int mailcapStyles,
                                     if (desktopPath.Last() != '/') desktopPath += '/';
                                     desktopPath += "applications/";
                                     desktopPath += desktopFile;
-                                    
+
                                     if (wxFileExists(desktopPath))
                                         LoadXDGApp(desktopPath);
                                 }
@@ -597,6 +626,7 @@ void wxMimeTypesManagerImpl::Initialize(int mailcapStyles,
             }
         }
     }
+#endif
 }
 
 // clear data so you can read another group of WM files
@@ -815,6 +845,7 @@ wxFileType * wxMimeTypesManagerImpl::GetFileTypeFromMimeType(const wxString& mim
 
     // first look for an exact match
     int index = m_aTypes.Index(mimetype);
+
     if ( index != wxNOT_FOUND )
     {
         fileType = new wxFileType;
@@ -973,4 +1004,4 @@ bool wxMimeTypesManagerImpl::Unassociate(wxFileType *ft)
 }
 
 #endif
-  // wxUSE_MIMETYPE && wxUSE_FILE && wxUSE_TEXTFILE
+  // wxUSE_MIMETYPE && wxUSE_FILE