Add SLOB dictionaries support

README.md

@@ -37,7 +37,7 @@ Alternatively, you might want to load `goldendict.pro` file from within Qt Creat
 
 ### Building with Zim dictionaries support
 
-To add Zim format support you need at first install lzma-dev package:
+To add Zim and Slob formats support you need at first install lzma-dev package:
 
     sudo apt-get liblzma-dev
 

decompress.cc

@@ -82,7 +82,8 @@ int res;
 
 #define BUFSIZE 0xFFFF
 
-string decompressLzma2( const char * bufptr, unsigned length )
+string decompressLzma2( const char * bufptr, unsigned length,
+                        bool raw_decoder )
 {
 string str;
 lzma_ret res;
@@ -92,9 +93,25 @@ char buf[BUFSIZE];
   strm.next_in = reinterpret_cast< const uint8_t * >( bufptr );
   strm.avail_in = length;
 
+  lzma_options_lzma opt;
+  lzma_filter filters[ 2 ];
+
+  if( raw_decoder )
+  {
+    lzma_lzma_preset(&opt, LZMA_PRESET_DEFAULT);
+
+    filters[ 0 ].id = LZMA_FILTER_LZMA2;
+    filters[ 0 ].options = &opt;
+    filters[ 1 ].id = LZMA_VLI_UNKNOWN;
+  }
+
   while( 1 )
   {
-    res = lzma_stream_decoder( &strm, UINT64_MAX, 0 );
+    if( raw_decoder )
+      res = lzma_raw_decoder( &strm, filters );
+    else
+      res = lzma_stream_decoder( &strm, UINT64_MAX, 0 );
+
     if( res != LZMA_OK )
       break;
 

decompress.hh

@@ -14,7 +14,8 @@ string decompressBzip2( const char * bufptr, unsigned length );
 
 #ifdef MAKE_ZIM_SUPPORT
 
-string decompressLzma2( const char * bufptr, unsigned length );
+string decompressLzma2( const char * bufptr, unsigned length,
+                        bool raw_decoder = false );
 
 #endif
 

goldendict.pro

@@ -293,7 +293,8 @@ HEADERS += folding.hh \
     fulltextsearch.hh \
     ftshelpers.hh \
     dictserver.hh \
-    helpwindow.hh
+    helpwindow.hh \
+    slob.hh
 
 FORMS += groups.ui \
     dictgroupwidget.ui \
@@ -311,6 +312,7 @@ FORMS += groups.ui \
     dictheadwords.ui \
     authentication.ui \
     fulltextsearch.ui
+
 SOURCES += folding.cc \
     main.cc \
     dictionary.cc \
@@ -414,7 +416,8 @@ SOURCES += folding.cc \
     fulltextsearch.cc \
     ftshelpers.cc \
     dictserver.cc \
-    helpwindow.cc
+    helpwindow.cc \
+    slob.cc
 
 win32 {
 	FORMS   += texttospeechsource.ui

loaddictionaries.cc

@@ -29,6 +29,7 @@
 #include "mdx.hh"
 #include "zim.hh"
 #include "dictserver.hh"
+#include "slob.hh"
 
 #ifndef NO_EPWING_SUPPORT
 #include "epwing.hh"
@@ -58,7 +59,7 @@ LoadDictionaries::LoadDictionaries( Config::Class const & cfg ):
               << "*.xdxf.dz" << "*.dct" << "*.aar" << "*.zips"
               << "*.mdx"
 #ifdef MAKE_ZIM_SUPPORT
-              << "*.zim" << "*.zimaa"
+              << "*.zim" << "*.zimaa" << "*.slob"
 #endif
 #ifndef NO_EPWING_SUPPORT
               << "*catalogs"
@@ -207,6 +208,13 @@ void LoadDictionaries::handlePath( Config::Path const & path )
     dictionaries.insert( dictionaries.end(), zimDictionaries.begin(),
                          zimDictionaries.end() );
   }
+  {
+    vector< sptr< Dictionary::Class > > slobDictionaries =
+      Slob::makeDictionaries( allFiles, FsEncoding::encode( Config::getIndexDir() ), *this );
+
+    dictionaries.insert( dictionaries.end(), slobDictionaries.begin(),
+                         slobDictionaries.end() );
+  }
 #endif
 #ifndef NO_EPWING_SUPPORT
   {

preferences.cc

@@ -294,12 +294,14 @@ Preferences::Preferences( QWidget * parent, Config::Class & cfg_ ):
   ui.allowDSL->setChecked( !p.fts.disabledTypes.contains( "DSL", Qt::CaseInsensitive ) );
   ui.allowMDict->setChecked( !p.fts.disabledTypes.contains( "MDICT", Qt::CaseInsensitive ) );
   ui.allowSDict->setChecked( !p.fts.disabledTypes.contains( "SDICT", Qt::CaseInsensitive ) );
+  ui.allowSlob->setChecked( !p.fts.disabledTypes.contains( "SLOB", Qt::CaseInsensitive ) );
   ui.allowStardict->setChecked( !p.fts.disabledTypes.contains( "STARDICT", Qt::CaseInsensitive ) );
   ui.allowXDXF->setChecked( !p.fts.disabledTypes.contains( "XDXF", Qt::CaseInsensitive ) );
   ui.allowZim->setChecked( !p.fts.disabledTypes.contains( "ZIM", Qt::CaseInsensitive ) );
   ui.allowEpwing->setChecked( !p.fts.disabledTypes.contains( "EPWING", Qt::CaseInsensitive ) );
 #ifndef MAKE_ZIM_SUPPORT
   ui.allowZim->hide();
+  ui.allowSlob->hide();
 #endif
 #ifdef NO_EPWING_SUPPORT
   ui.allowEpwing->hide();
@@ -441,6 +443,13 @@ Config::Preferences Preferences::getPreferences()
     p.fts.disabledTypes += "SDICT";
   }
 
+  if( !ui.allowSlob->isChecked() )
+  {
+    if( !p.fts.disabledTypes.isEmpty() )
+      p.fts.disabledTypes += ',';
+    p.fts.disabledTypes += "SLOB";
+  }
+
   if( !ui.allowStardict->isChecked() )
   {
     if( !p.fts.disabledTypes.isEmpty() )

preferences.ui

@@ -1240,13 +1240,20 @@ download page.</string>
             </property>
            </widget>
           </item>
-          <item row="0" column="1">
+          <item row="5" column="0">
            <widget class="QCheckBox" name="allowSDict">
             <property name="text">
              <string notr="true">SDict</string>
             </property>
            </widget>
           </item>
+          <item row="0" column="1">
+           <widget class="QCheckBox" name="allowSlob">
+            <property name="text">
+             <string notr="true">Slob</string>
+            </property>
+           </widget>
+          </item>
           <item row="1" column="1">
            <widget class="QCheckBox" name="allowStardict">
             <property name="text">
@@ -1268,7 +1275,7 @@ download page.</string>
             </property>
            </widget>
           </item>
-          <item row="5" column="0" colspan="2">
+          <item row="6" column="0" colspan="2">
            <layout class="QHBoxLayout" name="horizontalLayout_14">
             <item>
              <widget class="QLabel" name="label_14">

resources.qrc

@@ -78,5 +78,6 @@
         <file>icons/playsound_full.png</file>
         <file>icons/icon32_zim.png</file>
         <file>icons/icon32_epwing.png</file>
+        <file>icons/icon32_slob.png</file>
     </qresource>
 </RCC>

slob.hh

@@ -0,0 +1,24 @@
+#ifndef __SLOB_HH_INCLUDED__
+#define __SLOB_HH_INCLUDED__
+
+#ifdef MAKE_ZIM_SUPPORT
+
+#include "dictionary.hh"
+
+/// Support for the Slob dictionaries.
+namespace Slob {
+
+using std::vector;
+using std::string;
+
+vector< sptr< Dictionary::Class > > makeDictionaries(
+                                      vector< string > const & fileNames,
+                                      string const & indicesDir,
+                                      Dictionary::Initializing & )
+  throw( std::exception );
+
+}
+
+#endif
+
+#endif // __SLOB_HH_INCLUDED__