1 files changed, 100 insertions, 0 deletions
diff --git a/tools/porting/src/textreplacement.cpp b/tools/porting/src/textreplacement.cpp
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+++ b/tools/porting/src/textreplacement.cpp
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+/****************************************************************************
+**
+** 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