1 files changed, 61 insertions, 0 deletions
diff --git a/src/merger.h b/src/merger.h
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+++ b/src/merger.h
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+/***************************************************************************
+                          merger.h  -  description
+                             -------------------
+    begin                : Sun Mar 24 2002
+    copyright            : (C) 2002-2007 by Joachim Eibl
+    email                : joachim.eibl at gmx.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.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#ifndef MERGER_H
+#define MERGER_H
+
+#include "diff.h"
+
+
+class Merger
+{
+public:
+
+   Merger( const DiffList* pDiffList1, const DiffList* pDiffList2 );
+
+   /** Go one step. */
+   void next();
+
+   /** Information about what changed. Can be used for coloring.
+       The return value is 0 if nothing changed here,
+       bit 1 is set if a difference from pDiffList1 was detected,
+       bit 2 is set if a difference from pDiffList2 was detected.
+   */
+   int whatChanged();
+
+   /** End of both diff lists reached. */
+   bool isEndReached();
+private:
+
+   struct MergeData
+   {
+      DiffList::const_iterator it;
+      const DiffList* pDiffList;
+      Diff d;
+      int idx;
+    
+      MergeData( const DiffList* p, int i );
+      bool eq();
+      void update();
+      bool isEnd();
+   };
+
+   MergeData md1;
+   MergeData md2;
+};
+
+#endif