1 files changed, 112 insertions, 0 deletions
diff --git a/src/libs/installer/linereplaceoperation.cpp b/src/libs/installer/linereplaceoperation.cpp
new file mode 100644
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+++ b/src/libs/installer/linereplaceoperation.cpp
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+/**************************************************************************
+**
+** 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 "linereplaceoperation.h"
+
+#include <QtCore/QDir>
+#include <QtCore/QFile>
+#include <QtCore/QTextStream>
+
+using namespace QInstaller;
+
+LineReplaceOperation::LineReplaceOperation()
+{
+    setName(QLatin1String("LineReplace"));
+}
+
+void LineReplaceOperation::backup()
+{
+}
+
+bool LineReplaceOperation::performOperation()
+{
+    const QStringList args = arguments();
+
+    // Arguments:
+    // 1. filename
+    // 2. startsWith Search-String
+    // 3. Replace-Line-String
+    if (args.count() != 3) {
+        setError(InvalidArguments);
+        setErrorString(tr("Invalid arguments in %0: %1 arguments given, exactly 3 expected.").arg(name()).arg(args
+            .count()));
+        return false;
+    }
+    const QString fileName = args.at(0);
+    const QString searchString = args.at(1);
+    const QString replaceString = args.at(2);
+
+    QFile file(fileName);
+    if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
+        setError(UserDefinedError);
+        setErrorString(QObject::tr("Failed to open %1 for reading.").arg(fileName));
+        return false;
+    }
+
+    QString replacement;
+    QTextStream stream(&file);
+    while (!stream.atEnd()) {
+        const QString line = stream.readLine();
+        if (line.trimmed().startsWith(searchString))
+            replacement.append(replaceString + QLatin1String("\n"));
+        else
+            replacement.append(line + QLatin1String("\n"));
+    }
+    file.close();
+
+    if (!file.open(QIODevice::WriteOnly | QIODevice::Text)) {
+        setError(UserDefinedError);
+        setErrorString(QObject::tr("Failed to open %1 for writing.").arg(fileName));
+        return false;
+    }
+
+    stream.setDevice(&file);
+    stream << replacement;
+    file.close();
+
+    return true;
+}
+
+bool LineReplaceOperation::undoOperation()
+{
+    return true;
+}
+
+bool LineReplaceOperation::testOperation()
+{
+    return true;
+}
+
+Operation *LineReplaceOperation::clone() const
+{
+    return new LineReplaceOperation();
+}