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Diffstat (limited to 'src/libs/installer/replaceoperation.cpp')
-rw-r--r-- | src/libs/installer/replaceoperation.cpp | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/src/libs/installer/replaceoperation.cpp b/src/libs/installer/replaceoperation.cpp new file mode 100644 index 000000000..d24383ab9 --- /dev/null +++ b/src/libs/installer/replaceoperation.cpp @@ -0,0 +1,106 @@ +/************************************************************************** +** +** This file is part of Installer Framework +** +** Copyright (c) 2011-2012 Nokia Corporation and/or its subsidiary(-ies). +** +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** +** GNU Lesser General Public License Usage +** +** 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. +** +** Other Usage +** +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +**************************************************************************/ + +#include "replaceoperation.h" + +#include <QtCore/QDir> +#include <QtCore/QFile> +#include <QtCore/QTextStream> + +using namespace QInstaller; + +ReplaceOperation::ReplaceOperation() +{ + setName(QLatin1String("Replace")); +} + +void ReplaceOperation::backup() +{ +} + +bool ReplaceOperation::performOperation() +{ + const QStringList args = arguments(); + + // Arguments: + // 1. filename + // 2. Source-String + // 3. Replace-String + if (args.count() != 3) { + setError(InvalidArguments); + setErrorString(tr("Invalid arguments in %0: %1 arguments given, 3 expected.").arg(name()).arg(args + .count())); + return false; + } + const QString fileName = args.at(0); + const QString before = args.at(1); + const QString after = args.at(2); + + QFile file(fileName); + if (!file.open(QIODevice::ReadOnly)) { + setError(UserDefinedError); + setErrorString(QObject::tr("Failed to open %1 for reading").arg(fileName)); + return false; + } + + QTextStream stream(&file); + QString replacedFileContent = stream.readAll(); + file.close(); + + if (!file.open(QIODevice::WriteOnly)) { + setError(UserDefinedError); + setErrorString(QObject::tr("Failed to open %1 for writing").arg(fileName)); + return false; + } + + stream.setDevice(&file); + stream << replacedFileContent.replace(before, after); + file.close(); + + return true; +} + +bool ReplaceOperation::undoOperation() +{ + // Need to remove settings again + return true; +} + +bool ReplaceOperation::testOperation() +{ + return true; +} + +Operation *ReplaceOperation::clone() const +{ + return new ReplaceOperation(); +} |