1 files changed, 72 insertions, 0 deletions
diff --git a/kregexpeditor/lookaheadregexp.cpp b/kregexpeditor/lookaheadregexp.cpp
new file mode 100644
index 0000000..7415ca4
--- /dev/null
+++ b/kregexpeditor/lookaheadregexp.cpp
@@ -0,0 +1,72 @@
+/*
+ *  Copyright (c) 2002-2003 Jesper K. Pedersen <blackie@kde.org>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Library General Public
+ *  License version 2 as published by the Free Software Foundation.
+ *
+ *  This library 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
+ *  Library General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Library General Public License
+ *  along with this library; see the file COPYING.LIB.  If not, write to
+ *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ *  Boston, MA 02110-1301, USA.
+ **/
+#include "lookaheadregexp.h"
+#include "errormap.h"
+
+LookAheadRegExp::LookAheadRegExp( bool selected, TYPE tp, RegExp* child )
+    : RegExp( selected ), _child( child ), _tp( tp )
+{
+    if ( child )
+        addChild( child );
+}
+
+bool LookAheadRegExp::check( ErrorMap& map, bool , bool last )
+{
+    if ( !last ) {
+        map.lookAheadError();
+    }
+    return true;
+}
+
+
+QDomNode LookAheadRegExp::toXml( QDomDocument* doc ) const
+{
+    QDomElement top;
+    if ( _tp == POSITIVE )
+        top = doc->createElement( QString::fromLocal8Bit("PositiveLookAhead") );
+    else
+        top = doc->createElement( QString::fromLocal8Bit("NegativeLookAhead") );
+
+    top.appendChild( _child->toXml( doc ) );
+    return top;
+}
+
+bool LookAheadRegExp::load( QDomElement top, const QString& version )
+{
+    _child = readRegExp( top, version );
+    if ( _child ) {
+        addChild( _child );
+        return true;
+    }
+    else
+        return false;
+}
+
+
+bool LookAheadRegExp::operator==( const RegExp& other ) const
+{
+    if ( type() != other.type() )
+        return false;
+
+    const LookAheadRegExp& theOther = dynamic_cast<const LookAheadRegExp&>( other );
+
+    if ( lookAheadType() != theOther.lookAheadType() )
+        return false;
+
+    return ( *_child == *(theOther._child) );
+}