File indexing completed on 2024-04-28 13:39:48

 /*
 SPDX-FileCopyrightText: 2001-2004,2009 Otto Bruggeman <bruggie@gmail.com>
 SPDX-FileCopyrightText: 2001-2003 John Firebaugh <jfirebaugh@kde.org>
 
 SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include "diffhunk.h"
 
 #include <komparediffdebug.h>
 
 using namespace Diff2;
 
 DiffHunk::DiffHunk(int sourceLine, int destinationLine, const 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 += QStringLiteral("@@ -%1,%3 +%2,%4 @@")
             .arg(m_sourceLine)
             .arg(m_destinationLine)
             .arg(slc)
             .arg(dlc);
 
     if (!m_function.isEmpty())
         hunk += QLatin1Char(' ') + m_function;
 
     hunk += QLatin1Char('\n');
 
     hunk += differences;
 
     qCDebug(LIBKOMPAREDIFF2) << hunk;
     return hunk;
 }