ExternalCommandTask.h++

Go to the documentation of this file.

#ifndef __libquark_util_ExternalCommandTask_hxx
#define __libquark_util_ExternalCommandTask_hxx

#include <QAtomicInt>
#include <QProcess>
#include <QString>
#include <QStringList>

#include <quark/Task.h++>

namespace quark {
namespace util {

class ExternalCommandTask : public Task
{
  Q_OBJECT;

 public:
  virtual ~ExternalCommandTask();

  QString executable() const
  { return(_executable); }

  QStringList args() const
  { return(_args); }

  int exitCode() const
  { return(_exitCode); }

  QString toString() const;

  virtual void execute();

  virtual bool cancel();

 protected:

  ExternalCommandTask(const QString& executable);

  void setArgs(QStringList args);

  void setUnbufferedOutput(bool unbufferedOutput)
  { _unbufferedOutput = unbufferedOutput; }

  virtual void processStandardOutput(QString text);

  virtual void processStandardError(QString text);

  virtual void finish();

 private slots:
  void handleProcessFinished(int exitCode, QProcess::ExitStatus status);
  void handleProcessError(QProcess::ProcessError error);
  void handleProcessStandardError();
  void handleProcessStandardOutput();

 private:
  void processResults();

  QString _executable;
  QStringList _args;
  bool _unbufferedOutput;
  QScopedPointer<QProcess> _process;
  QString _error;
  QString _standardOutput;
  QString _errorOutput;
  int _exitCode;

  Q_DISABLE_COPY(ExternalCommandTask);
};

} // namespace util
} // namespace quark

#endif // __libquark_util_ExternalCommandTask_hxx