1 files changed, 107 insertions, 0 deletions
diff --git a/src/preamble.cpp b/src/preamble.cpp
new file mode 100644
index 0000000..1b03a0f
--- /dev/null
+++ b/src/preamble.cpp
@@ -0,0 +1,107 @@
+/***************************************************************************
+ *   Copyright (C) 2004-2009 by Thomas Fischer                             *
+ *   fischer@unix-ag.uni-kl.de                                             *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+#include <qregexp.h>
+#include <qstringlist.h>
+
+#include "preamble.h"
+
+namespace BibTeX
+{
+
+    Preamble::Preamble() : Element(), m_value( new Value() )
+    {
+// TODO
+    }
+
+    Preamble::Preamble( const QString& text ) : Element()
+    {
+        m_value = new Value( text, false );
+    }
+
+    Preamble::Preamble( Preamble *other ): Element(), m_value( NULL )
+    {
+        copyFrom( other );
+    }
+
+    Preamble::~Preamble()
+    {
+        delete m_value;
+    }
+
+    Value *Preamble::value() const
+    {
+        return m_value;
+    }
+
+    void Preamble::setValue( Value *value )
+    {
+        if ( value != m_value )
+        {
+            delete m_value;
+
+            if ( value != NULL )
+                m_value = new Value( value );
+            else
+                m_value = NULL;
+        }
+    }
+
+    bool Preamble::containsPattern( const QString& pattern, EntryField::FieldType fieldType, FilterType filterType, bool caseSensitive ) const
+    {
+        QString text = m_value->simplifiedText();
+
+        if ( filterType == ftExact )
+        {
+            /** check for exact match */
+            return fieldType == EntryField::ftUnknown && text.contains( pattern, caseSensitive );
+        }
+        else
+        {
+            /** for each word in the search pattern ... */
+            QStringList words = QStringList::split( QRegExp( "\\s+" ), pattern );
+            unsigned int hits = 0;
+            for ( QStringList::Iterator it = words.begin(); it != words.end(); ++it )
+            {
+                /** check if word is contained in text */
+                if ( fieldType == EntryField::ftUnknown && text.contains( *it, caseSensitive ) )
+                    ++hits;
+            }
+
+            /** return success depending on filter type and number of hits */
+            return (( filterType == ftAnyWord && hits > 0 ) || ( filterType == ftEveryWord && hits == words.count() ) );
+        }
+    }
+
+    Element* Preamble::clone()
+    {
+        return new Preamble( this );
+    }
+
+    void Preamble::copyFrom( Preamble *other )
+    {
+        if ( m_value != NULL ) delete m_value;
+        m_value = new Value( other->m_value );
+    }
+
+    QString Preamble::text() const
+    {
+        return "Preamble: " + m_value->text();
+    }
+}