137 lines
3.9 KiB
C++
137 lines
3.9 KiB
C++
/*
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This file is part of the PhantomJS project from Ofi Labs.
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Copyright (C) 2012 execjosh, http://execjosh.blogspot.com
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of the <organization> nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "childprocess.h"
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//
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// ChildProcessContext
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//
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ChildProcessContext::ChildProcessContext(QObject* parent)
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: QObject(parent)
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, m_proc(this)
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{
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connect(&m_proc, SIGNAL(readyReadStandardOutput()), this, SLOT(_readyReadStandardOutput()));
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connect(&m_proc, SIGNAL(readyReadStandardError()), this, SLOT(_readyReadStandardError()));
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connect(&m_proc, SIGNAL(finished(int, QProcess::ExitStatus)), this, SLOT(_finished(int, QProcess::ExitStatus)));
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connect(&m_proc, SIGNAL(error(QProcess::ProcessError)), this, SLOT(_error(QProcess::ProcessError)));
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}
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ChildProcessContext::~ChildProcessContext()
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{
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}
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// public:
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qint64 ChildProcessContext::pid() const
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{
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Q_PID pid = m_proc.pid();
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#if !defined(Q_OS_WIN) && !defined(Q_OS_WINCE)
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return pid;
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#else
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return pid->dwProcessId;
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#endif
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}
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void ChildProcessContext::kill(const QString& signal)
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{
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// TODO: it would be nice to be able to handle more signals
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if ("SIGKILL" == signal) {
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m_proc.kill();
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} else {
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// Default to "SIGTERM"
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m_proc.terminate();
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}
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}
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void ChildProcessContext::_setEncoding(const QString& encoding)
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{
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m_encoding.setEncoding(encoding);
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}
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// This is affected by [QTBUG-5990](https://bugreports.qt-project.org/browse/QTBUG-5990).
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// `QProcess` doesn't properly handle the situations of `cmd` not existing or
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// failing to start...
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bool ChildProcessContext::_start(const QString& cmd, const QStringList& args)
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{
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m_proc.start(cmd, args);
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// TODO: Is there a better way to do this???
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return m_proc.waitForStarted(1000);
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}
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// private slots:
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void ChildProcessContext::_readyReadStandardOutput()
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{
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QByteArray bytes = m_proc.readAllStandardOutput();
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emit stdoutData(m_encoding.decode(bytes));
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}
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void ChildProcessContext::_readyReadStandardError()
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{
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QByteArray bytes = m_proc.readAllStandardError();
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emit stderrData(m_encoding.decode(bytes));
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}
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void ChildProcessContext::_finished(const int exitCode, const QProcess::ExitStatus exitStatus)
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{
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Q_UNUSED(exitStatus)
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emit exit(exitCode);
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}
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void ChildProcessContext::_error(const QProcess::ProcessError error)
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{
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Q_UNUSED(error)
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emit exit(m_proc.exitCode());
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}
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//
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// ChildProcess
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//
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ChildProcess::ChildProcess(QObject* parent)
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: QObject(parent)
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{
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}
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ChildProcess::~ChildProcess()
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{
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}
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// public:
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QObject* ChildProcess::_createChildProcessContext()
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{
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return new ChildProcessContext(this);
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}
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