/****************************************************************************+
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**+
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the qt3to4 porting application of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#include "filewriter.h"+
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#include <QFile>+
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#include <QFileInfo>+
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#include <QDir>+
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#include <ctype.h>+
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#include <errno.h>+
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+
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QT_BEGIN_NAMESPACE+
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+
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FileWriter *FileWriter::theInstance  = 0;+
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+
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FileWriter *FileWriter::instance()+
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{+
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     if(!theInstance)+
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        theInstance = new FileWriter();+
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+
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        return theInstance;+
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}+
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+
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void FileWriter::deleteInstance()+
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{+
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    if(theInstance) {+
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        delete theInstance;+
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        theInstance=0;+
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    }+
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}+
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+
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FileWriter::FileWriter(OverWriteFiles overWrite, QString overwriteMsg)+
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:overWriteFiles(overWrite)+
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,overwriteMessage(overwriteMsg)+
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{+
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    if(overwriteMessage.isEmpty())+
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       overwriteMessage = QLatin1String("Convert file ");+
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}+
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+
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FileWriter::WriteResult FileWriter::writeFileVerbously(QString filePath, QByteArray contents)+
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{+
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    const WriteResult result = writeFile(filePath, contents);+
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    if (result == WriteSucceeded) {+
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        QString cleanPath = QDir::cleanPath(filePath);+
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        printf("Wrote to file: %s \n", QDir::toNativeSeparators(cleanPath).toLocal8Bit().constData());+
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    }+
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    return result;+
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}+
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+
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FileWriter::WriteResult FileWriter::writeFile(QString filePath, QByteArray contents)+
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{+
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    if(filePath.isEmpty())+
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        return WriteFailed;+
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    QString path = QFileInfo(filePath).path();+
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    if (!QDir().mkpath(path)){+
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         printf("Error creating path %s \n", QDir::toNativeSeparators(path).toLocal8Bit().constData());+
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    }+
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+
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    QString cleanPath = QDir::cleanPath(filePath);+
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    QFile f(cleanPath);+
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    if (f.exists()) {+
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        if (overWriteFiles == DontOverWrite) {+
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            printf("Error writing file %s: It already exists \n",+
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                QDir::toNativeSeparators(cleanPath).toLatin1().constData());+
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            return WriteFailed;+
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        } else if(overWriteFiles == AskOnOverWrite) {+
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            printf("%s%s? (Y)es, (N)o, (A)ll ", overwriteMessage.toLatin1().constData(),+
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                QDir::toNativeSeparators(cleanPath).toLatin1().constData());+
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            +
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            char answer = 0;+
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            while (answer != 'y' && answer != 'n' && answer != 'a') {+
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#if defined(Q_OS_WIN) && defined(_MSC_VER) && _MSC_VER >= 1400+
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                int result = scanf_s("%c", &answer);+
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#else+
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                int result = scanf("%c", &answer);+
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#endif+
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                if (1 == result)+
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                    answer = tolower(answer);+
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                else if (EOF == result) {+
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                    if (EINTR == errno || EILSEQ == errno)+
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                        continue;+
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+
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                    answer = 'n';+
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                }+
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            }+
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+
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            if(answer == 'n')+
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                return WriteSkipped;+
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            else if(answer == 'a')+
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                overWriteFiles=AlwaysOverWrite;+
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        }+
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    }+
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+
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    f.open(QFile::WriteOnly);+
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    if (f.isOpen() && f.write(contents) == contents.size())+
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        return WriteSucceeded;+
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+
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    printf("Could not write to to file: %s. Is it write protected?\n",+
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        QDir::toNativeSeparators(filePath).toLatin1().constData());+
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+
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    return WriteFailed;+
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}+
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+
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/*+
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    Sets the write mode for the file writer. writeMode is one of+
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    DontOverWrite, AlwaysOverWrite, AskOnOverWrite.+
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*/+
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void FileWriter::setOverwriteFiles(OverWriteFiles writeMode)+
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{+
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    overWriteFiles = writeMode;+
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}+
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+
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QByteArray detectLineEndings(const QByteArray &array)+
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{+
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    if (array.contains("\r\n")) {+
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        return "\r\n";+
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    } else {+
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        return "\n";+
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    }+
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}+
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+
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QT_END_NAMESPACE+
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