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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 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.
**
**************************************************************************/
#ifndef QTCPROCESS_H
#define QTCPROCESS_H
#include <QtCore/QProcess>
#include "utils_global.h"
#include "environment.h"
namespace Utils {
class AbstractMacroExpander;
class QTCREATOR_UTILS_EXPORT QtcProcess : public QProcess
{
Q_OBJECT
public:
QtcProcess(QObject *parent = 0)
: QProcess(parent),
m_haveEnv(false)
#ifdef Q_OS_WIN
, m_useCtrlCStub(false)
#endif
{}
void setEnvironment(const Environment &env)
{ m_environment = env; m_haveEnv = true; }
void setCommand(const QString &command, const QString &arguments)
{ m_command = command; m_arguments = arguments; }
#ifdef Q_OS_WIN
void setUseCtrlCStub(bool enabled) { m_useCtrlCStub = enabled; }
#endif
void start();
void terminate();
enum SplitError {
SplitOk = 0, //! All went just fine
BadQuoting, //! Command contains quoting errors
FoundMeta //! Command contains complex shell constructs
};
//! Quote a single argument for usage in a unix shell command
static QString quoteArgUnix(const QString &arg);
//! Quote a single argument and append it to a unix shell command
static void addArgUnix(QString *args, const QString &arg);
//! Join an argument list into a unix shell command
static QString joinArgsUnix(const QStringList &args);
#ifdef Q_OS_WIN
//! Quote a single argument for usage in a shell command
static QString quoteArg(const QString &arg);
//! Quote a single argument and append it to a shell command
static void addArg(QString *args, const QString &arg);
//! Join an argument list into a shell command
static QString joinArgs(const QStringList &args);
//! Prepare argument of a shell command for feeding into QProcess
static QString prepareArgs(const QString &cmd, SplitError *err,
const Environment *env = 0, const QString *pwd = 0);
//! Prepare a shell command for feeding into QProcess
static void prepareCommand(const QString &command, const QString &arguments,
QString *outCmd, QString *outArgs,
const Environment *env = 0, const QString *pwd = 0);
#else
static QString quoteArg(const QString &arg) { return quoteArgUnix(arg); }
static void addArg(QString *args, const QString &arg) { addArgUnix(args, arg); }
static QString joinArgs(const QStringList &args) { return joinArgsUnix(args); }
static QStringList prepareArgs(const QString &cmd, SplitError *err,
const Environment *env = 0, const QString *pwd = 0)
{ return splitArgs(cmd, true, err, env, pwd); }
static bool prepareCommand(const QString &command, const QString &arguments,
QString *outCmd, QStringList *outArgs,
const Environment *env = 0, const QString *pwd = 0);
#endif
//! Quote and append each argument to a shell command
static void addArgs(QString *args, const QStringList &inArgs);
//! Append already quoted arguments to a shell command
static void addArgs(QString *args, const QString &inArgs);
//! Split a shell command into separate arguments. ArgIterator is usually a better choice.
static QStringList splitArgs(const QString &cmd, bool abortOnMeta = false, SplitError *err = 0,
const Environment *env = 0, const QString *pwd = 0);
//! Safely replace the expandos in a shell command
static bool expandMacros(QString *cmd, AbstractMacroExpander *mx);
static QString expandMacros(const QString &str, AbstractMacroExpander *mx);
/*! Iterate over arguments from a command line.
* Assumes that the name of the actual command is *not* part of the line.
* Terminates after the first command if the command line is complex.
*/
class QTCREATOR_UTILS_EXPORT ArgIterator {
public:
ArgIterator(QString *str) : m_str(str), m_pos(0), m_prev(-1) {}
//! Get the next argument. Returns false on encountering end of first command.
bool next();
//! True iff the argument is a plain string, possibly after unquoting.
bool isSimple() const { return m_simple; }
//! Return the string value of the current argument if it is simple, otherwise empty.
QString value() const { return m_value; }
//! Delete the last argument fetched via next() from the command line.
void deleteArg();
//! Insert argument into the command line after the last one fetched via next().
//! This may be used before the first call to next() to insert at the front.
void appendArg(const QString &str);
private:
QString *m_str, m_value;
int m_pos, m_prev;
bool m_simple;
};
class QTCREATOR_UTILS_EXPORT ConstArgIterator {
public:
ConstArgIterator(const QString &str) : m_str(str), m_ait(&m_str) {}
bool next() { return m_ait.next(); }
bool isSimple() const { return m_ait.isSimple(); }
QString value() const { return m_ait.value(); }
private:
QString m_str;
ArgIterator m_ait;
};
private:
QString m_command;
QString m_arguments;
Environment m_environment;
bool m_haveEnv;
#ifdef Q_OS_WIN
bool m_useCtrlCStub;
#endif
};
}
#endif // QTCPROCESS_H
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