diff -r 000000000000 -r 1918ee327afb tools/porting/src/filewriter.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/porting/src/filewriter.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,159 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 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 "filewriter.h"
+#include <QFile>
+#include <QFileInfo>
+#include <QDir>
+#include <ctype.h>
+#include <errno.h>
+
+QT_BEGIN_NAMESPACE
+
+FileWriter *FileWriter::theInstance  = 0;
+
+FileWriter *FileWriter::instance()
+{
+     if(!theInstance)
+        theInstance = new FileWriter();
+
+        return theInstance;
+}
+
+void FileWriter::deleteInstance()
+{
+    if(theInstance) {
+        delete theInstance;
+        theInstance=0;
+    }
+}
+
+FileWriter::FileWriter(OverWriteFiles overWrite, QString overwriteMsg)
+:overWriteFiles(overWrite)
+,overwriteMessage(overwriteMsg)
+{
+    if(overwriteMessage.isEmpty())
+       overwriteMessage = QLatin1String("Convert file ");
+}
+
+FileWriter::WriteResult FileWriter::writeFileVerbously(QString filePath, QByteArray contents)
+{
+    const WriteResult result = writeFile(filePath, contents);
+    if (result == WriteSucceeded) {
+        QString cleanPath = QDir::cleanPath(filePath);
+        printf("Wrote to file: %s \n", QDir::toNativeSeparators(cleanPath).toLocal8Bit().constData());
+    }
+    return result;
+}
+
+FileWriter::WriteResult FileWriter::writeFile(QString filePath, QByteArray contents)
+{
+    if(filePath.isEmpty())
+        return WriteFailed;
+    QString path = QFileInfo(filePath).path();
+    if (!QDir().mkpath(path)){
+         printf("Error creating path %s \n", QDir::toNativeSeparators(path).toLocal8Bit().constData());
+    }
+
+    QString cleanPath = QDir::cleanPath(filePath);
+    QFile f(cleanPath);
+    if (f.exists()) {
+        if (overWriteFiles == DontOverWrite) {
+            printf("Error writing file %s: It already exists \n",
+                QDir::toNativeSeparators(cleanPath).toLatin1().constData());
+            return WriteFailed;
+        } else if(overWriteFiles == AskOnOverWrite) {
+            printf("%s%s? (Y)es, (N)o, (A)ll ", overwriteMessage.toLatin1().constData(),
+                QDir::toNativeSeparators(cleanPath).toLatin1().constData());
+            
+            char answer = 0;
+            while (answer != 'y' && answer != 'n' && answer != 'a') {
+#if defined(Q_OS_WIN) && defined(_MSC_VER) && _MSC_VER >= 1400
+                int result = scanf_s("%c", &answer);
+#else
+                int result = scanf("%c", &answer);
+#endif
+                if (1 == result)
+                    answer = tolower(answer);
+                else if (EOF == result) {
+                    if (EINTR == errno || EILSEQ == errno)
+                        continue;
+
+                    answer = 'n';
+                }
+            }
+
+            if(answer == 'n')
+                return WriteSkipped;
+            else if(answer == 'a')
+                overWriteFiles=AlwaysOverWrite;
+        }
+    }
+
+    f.open(QFile::WriteOnly);
+    if (f.isOpen() && f.write(contents) == contents.size())
+        return WriteSucceeded;
+
+    printf("Could not write to to file: %s. Is it write protected?\n",
+        QDir::toNativeSeparators(filePath).toLatin1().constData());
+
+    return WriteFailed;
+}
+
+/*
+    Sets the write mode for the file writer. writeMode is one of
+    DontOverWrite, AlwaysOverWrite, AskOnOverWrite.
+*/
+void FileWriter::setOverwriteFiles(OverWriteFiles writeMode)
+{
+    overWriteFiles = writeMode;
+}
+
+QByteArray detectLineEndings(const QByteArray &array)
+{
+    if (array.contains("\r\n")) {
+        return "\r\n";
+    } else {
+        return "\n";
+    }
+}
+
+QT_END_NAMESPACE