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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 QtCore module 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.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QPROCESS_H
#define QPROCESS_H
#include <QtCore/qiodevice.h>
#include <QtCore/qstringlist.h>
#include <QtCore/qshareddata.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Core)
#ifndef QT_NO_PROCESS
#if (!defined(Q_OS_WIN32) && !defined(Q_OS_WINCE)) || defined(qdoc)
typedef qint64 Q_PID;
#else
QT_END_NAMESPACE
typedef struct _PROCESS_INFORMATION *Q_PID;
QT_BEGIN_NAMESPACE
#endif
class QProcessPrivate;
class QProcessEnvironmentPrivate;
class Q_CORE_EXPORT QProcessEnvironment
{
public:
QProcessEnvironment();
QProcessEnvironment(const QProcessEnvironment &other);
~QProcessEnvironment();
QProcessEnvironment &operator=(const QProcessEnvironment &other);
bool operator==(const QProcessEnvironment &other) const;
inline bool operator!=(const QProcessEnvironment &other) const
{ return !(*this == other); }
bool isEmpty() const;
void clear();
bool contains(const QString &name) const;
void insert(const QString &name, const QString &value);
void remove(const QString &name);
QString value(const QString &name, const QString &defaultValue = QString()) const;
QStringList toStringList() const;
static QProcessEnvironment systemEnvironment();
private:
friend class QProcessPrivate;
friend class QProcessEnvironmentPrivate;
QSharedDataPointer<QProcessEnvironmentPrivate> d;
};
class Q_CORE_EXPORT QProcess : public QIODevice
{
Q_OBJECT
public:
enum ProcessError {
FailedToStart, //### file not found, resource error
Crashed,
Timedout,
ReadError,
WriteError,
UnknownError
};
enum ProcessState {
NotRunning,
Starting,
Running
};
enum ProcessChannel {
StandardOutput,
StandardError
};
enum ProcessChannelMode {
SeparateChannels,
MergedChannels,
ForwardedChannels
};
enum ExitStatus {
NormalExit,
CrashExit
};
explicit QProcess(QObject *parent = 0);
virtual ~QProcess();
void start(const QString &program, const QStringList &arguments, OpenMode mode = ReadWrite);
void start(const QString &program, OpenMode mode = ReadWrite);
ProcessChannelMode readChannelMode() const;
void setReadChannelMode(ProcessChannelMode mode);
ProcessChannelMode processChannelMode() const;
void setProcessChannelMode(ProcessChannelMode mode);
ProcessChannel readChannel() const;
void setReadChannel(ProcessChannel channel);
void closeReadChannel(ProcessChannel channel);
void closeWriteChannel();
void setStandardInputFile(const QString &fileName);
void setStandardOutputFile(const QString &fileName, OpenMode mode = Truncate);
void setStandardErrorFile(const QString &fileName, OpenMode mode = Truncate);
void setStandardOutputProcess(QProcess *destination);
#if defined(Q_OS_WIN) || defined(Q_OS_SYMBIAN)
QString nativeArguments() const;
void setNativeArguments(const QString &arguments);
#endif
QString workingDirectory() const;
void setWorkingDirectory(const QString &dir);
void setEnvironment(const QStringList &environment);
QStringList environment() const;
void setProcessEnvironment(const QProcessEnvironment &environment);
QProcessEnvironment processEnvironment() const;
QProcess::ProcessError error() const;
QProcess::ProcessState state() const;
// #### Qt 5: Q_PID is a pointer on Windows and a value on Unix
Q_PID pid() const;
bool waitForStarted(int msecs = 30000);
bool waitForReadyRead(int msecs = 30000);
bool waitForBytesWritten(int msecs = 30000);
bool waitForFinished(int msecs = 30000);
QByteArray readAllStandardOutput();
QByteArray readAllStandardError();
int exitCode() const;
QProcess::ExitStatus exitStatus() const;
// QIODevice
qint64 bytesAvailable() const;
qint64 bytesToWrite() const;
bool isSequential() const;
bool canReadLine() const;
void close();
bool atEnd() const;
static int execute(const QString &program, const QStringList &arguments);
static int execute(const QString &program);
static bool startDetached(const QString &program, const QStringList &arguments, const QString &workingDirectory,
qint64 *pid = 0);
static bool startDetached(const QString &program, const QStringList &arguments);
static bool startDetached(const QString &program);
static QStringList systemEnvironment();
public Q_SLOTS:
void terminate();
void kill();
Q_SIGNALS:
void started();
void finished(int exitCode);
void finished(int exitCode, QProcess::ExitStatus exitStatus);
void error(QProcess::ProcessError error);
void stateChanged(QProcess::ProcessState state);
void readyReadStandardOutput();
void readyReadStandardError();
protected:
void setProcessState(ProcessState state);
virtual void setupChildProcess();
// QIODevice
qint64 readData(char *data, qint64 maxlen);
qint64 writeData(const char *data, qint64 len);
private:
Q_DECLARE_PRIVATE(QProcess)
Q_DISABLE_COPY(QProcess)
Q_PRIVATE_SLOT(d_func(), bool _q_canReadStandardOutput())
Q_PRIVATE_SLOT(d_func(), bool _q_canReadStandardError())
Q_PRIVATE_SLOT(d_func(), bool _q_canWrite())
Q_PRIVATE_SLOT(d_func(), bool _q_startupNotification())
Q_PRIVATE_SLOT(d_func(), bool _q_processDied())
Q_PRIVATE_SLOT(d_func(), void _q_notified())
friend class QProcessManager;
};
#endif // QT_NO_PROCESS
QT_END_NAMESPACE
QT_END_HEADER
#endif // QPROCESS_H
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