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29627f1680
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@40647 a592a061-630c-0410-9148-cb99ea01b6c8
103 lines
2.0 KiB
C++
103 lines
2.0 KiB
C++
// -*- C++ -*-
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/**
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* \file SystemcallPrivate.h
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Enrico Forestieri
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*
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* Full author contact details are available in file CREDITS.
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*/
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#ifndef SYSTEMCALLPRIVATE_H
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#define SYSTEMCALLPRIVATE_H
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#include <QObject>
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#include <QProcess>
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#include <string>
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namespace lyx {
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namespace support {
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class Systemcall;
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/**
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* Outputs to the console terminal the line buffered standard output and
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* error of a spawned process when there is a controlling terminal and
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* stdout/stderr have not been redirected.
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*/
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class SystemcallPrivate : public QObject
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{
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Q_OBJECT
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public:
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SystemcallPrivate(std::string const & infile, std::string const & outfile,
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std::string const & errfile);
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~SystemcallPrivate();
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enum State {
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Starting,
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Running,
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Finished,
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Error
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};
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State state;
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bool waitWhile(State, bool processEvents, int timeout = -1);
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void startProcess(QString const & cmd, std::string const & path);
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int exitCode();
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QString errorMessage() const;
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QString exitStatusMessage() const;
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QProcess* releaseProcess();
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static void killProcess(QProcess * p);
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public Q_SLOTS:
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void stdOut();
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void stdErr();
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void processError(QProcess::ProcessError);
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void processStarted();
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void processFinished(int, QProcess::ExitStatus status);
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private:
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/// Pointer to the process to monitor.
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QProcess * process_;
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/// Index to the standard output buffer.
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size_t out_index_;
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/// Index to the standard error buffer.
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size_t err_index_;
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///
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std::string in_file_;
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///
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std::string out_file_;
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///
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std::string err_file_;
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/// Size of buffers.
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static size_t const buffer_size_ = 200;
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/// Standard output buffer.
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char out_data_[buffer_size_];
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/// Standard error buffer.
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char err_data_[buffer_size_];
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QString cmd_;
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bool process_events_;
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void waitAndProcessEvents();
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void processEvents();
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void killProcess();
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};
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} // namespace support
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} // namespace lyx
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#endif // SYSTEMCALLPRIVATE_H
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