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/****************************************************************************
**
** Copyright (C) 2010 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
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