1 files changed, 115 insertions, 0 deletions
diff --git a/kompare/libdiff2/diffhunk.cpp b/kompare/libdiff2/diffhunk.cpp
new file mode 100644
index 00000000..f980dd93
--- /dev/null
+++ b/kompare/libdiff2/diffhunk.cpp
@@ -0,0 +1,115 @@
+/***************************************************************************
+                                diffhunk.cpp  -  description
+                                -------------------
+        begin                   : Sun Mar 4 2001
+        copyright               : (C) 2001-2003 by Otto Bruggeman
+                                  and John Firebaugh
+        email                   : otto.bruggeman@home.nl
+                                  jfirebaugh@kde.org
+****************************************************************************/
+
+/***************************************************************************
+**
+**   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.
+**
+***************************************************************************/
+
+
+#include "difference.h"
+#include "diffhunk.h"
+
+using namespace Diff2;
+
+DiffHunk::DiffHunk( int sourceLine, int destinationLine, QString function, Type type ) :
+	m_sourceLine( sourceLine ),
+	m_destinationLine( destinationLine ),
+	m_function( function ),
+	m_type( type )
+{
+}
+
+DiffHunk::~DiffHunk()
+{
+}
+
+void DiffHunk::add( Difference* diff )
+{
+	m_differences.append( diff );
+}
+
+int DiffHunk::sourceLineCount() const
+{
+	DifferenceListConstIterator diffIt = m_differences.begin();
+	DifferenceListConstIterator dEnd   = m_differences.end();
+
+	int lineCount = 0;
+
+	for ( ; diffIt != dEnd; ++diffIt )
+		lineCount += (*diffIt)->sourceLineCount();
+
+	return lineCount;
+}
+
+int DiffHunk::destinationLineCount() const
+{
+	DifferenceListConstIterator diffIt = m_differences.begin();
+	DifferenceListConstIterator dEnd   = m_differences.end();
+
+	int lineCount = 0;
+
+	for ( ; diffIt != dEnd; ++diffIt )
+		lineCount += (*diffIt)->destinationLineCount();
+
+	return lineCount;
+}
+
+QString DiffHunk::recreateHunk() const
+{
+	QString hunk;
+	QString differences;
+
+	// recreate body
+	DifferenceListConstIterator diffIt = m_differences.begin();
+	DifferenceListConstIterator dEnd   = m_differences.end();
+
+	int slc = 0; // source line count
+	int dlc = 0; // destination line count
+	for ( ; diffIt != dEnd; ++diffIt )
+	{
+		switch ( (*diffIt)->type() )
+		{
+		case Difference::Unchanged:
+		case Difference::Change:
+			slc += (*diffIt)->sourceLineCount();
+			dlc += (*diffIt)->destinationLineCount();
+			break;
+		case Difference::Insert:
+			dlc += (*diffIt)->destinationLineCount();
+			break;
+		case Difference::Delete:
+			slc += (*diffIt)->sourceLineCount();
+			break;
+		}
+		differences += (*diffIt)->recreateDifference();
+	}
+
+	// recreate header
+	hunk += QString::fromLatin1( "@@ -%1,%3 +%2,%4 @@" )
+	        .arg( m_sourceLine )
+	        .arg( m_destinationLine )
+	        .arg( slc )
+	        .arg( dlc ); 
+
+	if ( !m_function.isEmpty() )
+		hunk += " " + m_function;
+
+	hunk += QString::fromLatin1( "\n" );
+
+	hunk += differences;
+
+	kdDebug( 8101 ) << hunk << endl;
+	return hunk;
+}