Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdesdk@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 139 insertions, 0 deletions

diff --git a/kompare/libdiff2/parser.cpp b/kompare/libdiff2/parser.cpp
new file mode 100644
index 00000000..04ff7a4a
--- /dev/null
+++ b/kompare/libdiff2/parser.cpp
@@ -0,0 +1,139 @@
+/**************************************************************************
+**                             parser.cpp
+**                              -------------------
+**      begin                   : Sun Aug  4 15:05:35 2002
+**      copyright               : (C) 2002-2004 Otto Bruggeman
+**      email                   : otto.bruggeman@home.nl
+**
+***************************************************************************/
+/***************************************************************************
+**
+**   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 <kdebug.h>
+
+#include "parser.h"
+#include "cvsdiffparser.h"
+#include "diffparser.h"
+#include "perforceparser.h"
+#include "diffmodel.h"
+
+using namespace Diff2;
+
+Parser::Parser( const KompareModelList* list ) :
+	m_list( list )
+{
+}
+
+Parser::~Parser()
+{
+}
+
+int Parser::cleanUpCrap( QStringList& diffLines )
+{
+	QStringList::Iterator it = diffLines.begin();
+
+	int nol = 0;
+
+	QString noNewLine( "\\ No newline" );
+
+	for ( ; it != diffLines.end(); ++it )
+	{
+		if ( (*it).startsWith( noNewLine ) )
+		{
+			it = diffLines.remove( it );
+			// correcting the advance of the iterator because of the remove
+			--it;
+			QString temp( *it );
+			temp.truncate( temp.find( '\n' ) );
+			*it = temp;
+			++nol;
+		}
+	}
+
+	return nol;
+} 
+
+DiffModelList* Parser::parse( QStringList& diffLines )
+{
+	/* Basically determine the generator then call the parse method */
+	ParserBase* parser;
+
+	m_generator = determineGenerator( diffLines );
+
+	int nol = cleanUpCrap( diffLines );
+	kdDebug(8101) << "Cleaned up " << nol << " line(s) of crap from the diff..." << endl;
+
+	switch( m_generator )
+	{
+	case Kompare::CVSDiff :
+		kdDebug(8101) << "It is a CVS generated diff..." << endl;
+		parser = new CVSDiffParser( m_list, diffLines );
+		break;
+	case Kompare::Diff :
+		kdDebug(8101) << "It is a diff generated diff..." << endl;
+		parser = new DiffParser( m_list, diffLines );
+		break;
+	case Kompare::Perforce :
+		kdDebug(8101) << "It is a Perforce generated diff..." << endl;
+		parser = new PerforceParser( m_list, diffLines );
+		break;
+	default:
+		// Nothing to delete, just leave...
+		return 0L;
+	}
+
+	m_format = parser->format();
+	DiffModelList* modelList = parser->parse();
+	if ( modelList )
+	{
+		kdDebug(8101) << "Modelcount: " << modelList->count() << endl;
+		DiffModelListIterator modelIt = modelList->begin();
+		DiffModelListIterator mEnd    = modelList->end();
+		for ( ; modelIt != mEnd; ++modelIt )
+		{
+			kdDebug(8101) << "Hunkcount:  " << (*modelIt)->hunkCount() << endl;
+			kdDebug(8101) << "Diffcount:  " << (*modelIt)->differenceCount() << endl;
+		}
+	}
+
+	delete parser;
+
+	return modelList;
+}
+
+enum Kompare::Generator Parser::determineGenerator( const QStringList& diffLines )
+{
+	// Shit have to duplicate some code with this method and the ParserBase derived classes
+	QString cvsDiff     ( "Index: " );
+	QString perforceDiff( "==== " );
+
+	QStringList::ConstIterator it = diffLines.begin();
+	QStringList::ConstIterator linesEnd = diffLines.end();
+
+	while (  it != linesEnd )
+	{
+		if ( ( *it ).startsWith( cvsDiff ) )
+		{
+			kdDebug(8101) << "Diff is a CVSDiff" << endl;
+			return Kompare::CVSDiff;
+		}
+		else if ( ( *it ).startsWith( perforceDiff ) )
+		{
+			kdDebug(8101) << "Diff is a Perforce Diff" << endl;
+			return Kompare::Perforce;
+		}
+		++it;
+	}
+
+	kdDebug(8101) << "We'll assume it is a diff Diff" << endl;
+
+	// For now we'll assume it is a diff file diff, later we might
+	// try to really determine if it is a diff file diff.
+	return Kompare::Diff;
+}