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diff --git a/src/lib/buildgraph/commandexecutor.h b/src/lib/buildgraph/commandexecutor.h
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+/**************************************************************************
+**
+** This file is part of the Qt Build Suite
+**
+** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (info@qt.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.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file.
+** Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** 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.
+**
+**************************************************************************/
+#ifndef COMMANDEXECUTOR_H
+#define COMMANDEXECUTOR_H
+
+#include <QObject>
+#include <QProcess>
+
+QT_BEGIN_NAMESPACE
+class QProcess;
+class QScriptEngine;
+QT_END_NAMESPACE
+
+namespace qbs {
+
+class AbstractCommand;
+class ProcessCommand;
+class JavaScriptCommand;
+class JavaScriptCommandFutureWatcher;
+class Transformer;
+
+class CommandExecutor : public QObject
+{
+    Q_OBJECT
+public:
+    explicit CommandExecutor(QObject *parent = 0);
+
+    void setMainThreadScriptEngine(QScriptEngine *engine) { m_mainThreadScriptEngine = engine; }
+    void setDryRunEnabled(bool enabled) { dryRun = enabled; }
+    void setProcessEnvironment(const QProcessEnvironment &processEnvironment);
+    void waitForFinished();
+
+signals:
+    void error(QString errorString);
+    void finished();
+
+public slots:
+    void start(Transformer *transformer, AbstractCommand *cmd);
+
+protected:
+    void printCommandInfo(AbstractCommand *cmd);
+    void startProcessCommand();
+    QByteArray filterProcessOutput(const QByteArray &output, const QString &filterFunctionSource);
+    void sendProcessOutput(bool logCommandLine = false);
+    void startJavaScriptCommand();
+
+protected slots:
+    void onProcessError(QProcess::ProcessError);
+    void onProcessFinished(int exitCode);
+    void onJavaScriptCommandFinished();
+
+private:
+    void removeResponseFile();
+
+private:
+    bool dryRun;
+
+    // members for executing ProcessCommand
+    ProcessCommand *m_processCommand;
+    QProcess m_process;
+    QString m_responseFileName;
+    QScriptEngine *m_mainThreadScriptEngine;
+
+    // members for executing JavaScriptCommand members
+    Transformer *m_transformer;
+    JavaScriptCommand *m_jsCommand;
+    JavaScriptCommandFutureWatcher *m_jsFutureWatcher;
+};
+
+} // namespace qbs
+
+#endif // COMMANDEXECUTOR_H