Show decription for Stardict dictionaries

htmlescape.cc

@@ -1,6 +1,8 @@
 /* This file is (c) 2008-2012 Konstantin Isakov <ikm@goldendict.org>
  * Part of GoldenDict. Licensed under GPLv3 or later, see the LICENSE file */
 
+#include <QString>
+#include <QTextDocumentFragment>
 #include "htmlescape.hh"
 
 namespace Html {
@@ -117,4 +119,12 @@ string escapeForJavaScript( string const & str )
   return result;
 }
 
+QString unescape( QString const & str )
+{
+  // Does it contain HTML? If it does, we need to strip it
+  if ( str.contains( '<' ) || str.contains( '&' ) )
+    return QTextDocumentFragment::fromHtml( str ).toPlainText();
+  return str;
+}
+
 }

htmlescape.hh

@@ -22,6 +22,9 @@ string preformat( string const & );
 // Escapes the given string to be included in JavaScript.
 string escapeForJavaScript( string const & );
 
+// Replace html entities
+QString unescape( QString const & str );
+
 }
 
 #endif

stardict.cc

@@ -72,7 +72,7 @@ struct Ifo
   string version;
   string bookname;
   uint32_t wordcount, synwordcount, idxfilesize, idxoffsetbits;
-  string sametypesequence, dicttype;
+  string sametypesequence, dicttype, description;
 
   Ifo( File::Class & );
 };
@@ -167,6 +167,8 @@ public:
   virtual sptr< Dictionary::DataRequest > getResource( string const & name )
     throw( std::exception );
 
+  virtual QString const& getDescription();
+
 private:
 
   void loadIcon();
@@ -544,6 +546,26 @@ void StardictDictionary::loadArticle( uint32_t address,
   free( articleBody );
 }
 
+QString const& StardictDictionary::getDescription()
+{
+    if( !dictionaryDescription.isEmpty() )
+        return dictionaryDescription;
+
+    dictionaryDescription = "NONE";
+
+    File::Class ifoFile( getDictionaryFilenames()[ 0 ], "r" );
+    Ifo ifo( ifoFile );
+
+    if( !ifo.description.empty() )
+    {
+        dictionaryDescription = QString::fromUtf8( ifo.description.c_str() );
+        dictionaryDescription.replace( "\t", "<br/>" );
+        dictionaryDescription.replace( "\\n", "<br/>" );
+        dictionaryDescription = Html::unescape( dictionaryDescription );
+    }
+
+    return dictionaryDescription;
+}
 
 /// StardictDictionary::findHeadwordsForSynonym()
 
@@ -921,6 +943,9 @@ Ifo::Ifo( File::Class & f ):
       else
       if ( char const * val = beginsWith( "dicttype=", option ) )
         dicttype = val;
+      else
+      if ( char const * val = beginsWith( "description=", option ) )
+        description = val;
     }
   }
   catch( File::exReadError & )