/**************************************************************************** ** ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** ** This file is part of the qt3to4 porting application of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** No Commercial Usage ** This file contains pre-release code and may not be distributed. ** You may use this file in accordance with the terms and conditions ** contained in the Technology Preview License Agreement accompanying ** this package. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser ** General Public License version 2.1 as published by the Free Software ** Foundation and appearing in the file LICENSE.LGPL included in the ** packaging of this file. Please review the following information to ** ensure the GNU Lesser General Public License version 2.1 requirements ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** ** In addition, as a special exception, Nokia gives you certain additional ** rights. These rights are described in the Nokia Qt LGPL Exception ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** ** If you have questions regarding the use of this file, please contact ** Nokia at qt-info@nokia.com. ** ** ** ** ** ** ** ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #include "textreplacement.h" QT_BEGIN_NAMESPACE bool TextReplacements::insert(QByteArray newText, int insertPosition, int currentLenght) { //bubble sort the new replacement into the list int i; for(i=0; i<textReplacementList.size(); ++i) { if (insertPosition == textReplacementList.at(i).insertPosition) return false; // multiple replacements on the same insertPosition is not allowed. if(insertPosition < textReplacementList.at(i).insertPosition) break; //we found the right position } //++i; // cout << "inserting new text " << newText.constData() << endl; // %s at %d overwriting %d bytes at list pos %d\n", newText.constData(), insertPosition, currentLenght, i); TextReplacement rep; rep.newText=newText; rep.insertPosition=insertPosition; rep.currentLenght=currentLenght; textReplacementList.insert(i, rep); return true; } void TextReplacements::clear() { textReplacementList.clear(); } QByteArray TextReplacements::apply(QByteArray current) { QByteArray newData=current; int i; int replacementOffset=0; for(i=0; i<textReplacementList.size(); ++i) { TextReplacement rep=textReplacementList.at(i); //printf("applying new text %s insert at %d overwriting %d bytes \n", rep.newText.constData(), rep.insertPosition, rep.currentLenght); newData.remove(rep.insertPosition+replacementOffset, rep.currentLenght); newData.insert(rep.insertPosition+replacementOffset, rep.newText); //modify all remaining replacements if we change the document length replacementOffset+=(rep.newText.size() - rep.currentLenght); } return newData; } TextReplacements &TextReplacements::operator+=(const TextReplacements &other) { foreach(TextReplacement rep, other.replacements()) { insert(rep.newText, rep.insertPosition, rep.currentLenght); } return *this; } QT_END_NAMESPACE