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/********************************************************************
* Copyright (C) 2005, 2006 Piotr Pszczolkowski
*-------------------------------------------------------------------
* This file is part of BSCommander (Beesoft Commander).
*
* BsC is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* BsC is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with BsC; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*******************************************************************/
/*------- include files:
-------------------------------------------------------------------*/
#include "SystemCall.h"
#include <qprocess.h>
#include <qtimer.h>
using namespace std;
//*******************************************************************
// SystemCall CONSTRUCTOR
//********************************************************************
SystemCall::SystemCall( QWidget* const in_parent )
: QDialog( in_parent )
, d_process( 0 )
, d_mode( OFF_LINE )
, d_stdout_buffer( "" )
, d_stderr_buffer( "" )
{
setHidden( TRUE );
}
// end of SystemCall
//*******************************************************************
// ~SystemCall DESTRUCTOR
//*******************************************************************
SystemCall::~SystemCall()
{
if( d_process ) {
d_process->kill();
delproc();
}
}
// end of ~SystemCall
//*******************************************************************
// run PUBLIC
//*******************************************************************
bool SystemCall::run( const vector<QString>& in_parameters, const Mode in_mode )
{
bool retval = FALSE;
d_mode = in_mode;
d_cout_strings.clear();
d_cerr_strings.clear();
d_process = new QProcess( this );
if( d_process ) {
connect( d_process, SIGNAL( readyReadStdout() ), this, SLOT( read_stdout() ));
connect( d_process, SIGNAL( readyReadStderr() ), this, SLOT( read_stderr() ));
connect( d_process, SIGNAL( processExited() ), this, SLOT( process_exited() ));
d_process->clearArguments();
vector<QString>::const_iterator it = in_parameters.begin();
while( it != in_parameters.end() ) {
d_process->addArgument( *it );
++it;
}
retval = d_process->start();
}
return retval;
}
// end of run
//*******************************************************************
// keyPressEvent PRIVATE inherited
//*******************************************************************
void SystemCall::keyPressEvent( QKeyEvent* e )
{
if( Qt::Key_Escape == e->key() ) {
d_process->tryTerminate();
QTimer::singleShot( 500, d_process, SLOT( kill() ) );
}
QDialog::keyPressEvent( e );
}
// end of keyPressEvent
//*******************************************************************
// result PUBLIC
//-------------------------------------------------------------------
// Za pomoca tej funkcji mozna pobrac wyniki operacji.
// Wyniki sa dwojakiego rodzaju: cout i cerr.
// Funkcje nalezy uzywac dopiero po zakonczeniu calej operacji.
//*******************************************************************
void SystemCall::result( vector<QString>& out_cout_strings, vector<QString>& out_cerr_strings )
{
out_cout_strings = d_cout_strings;
out_cerr_strings = d_cerr_strings;
}
// end of result
//*******************************************************************
// read_stdout PRIVATE slot
//*******************************************************************
void SystemCall::read_stdout()
{
d_stdout_buffer += d_process->readStdout();
if( d_stdout_buffer.endsWith( "\n" ) ) {
if( ON_LINE == d_mode ) {
emit stdout_line( d_stdout_buffer );
}
else {
d_cout_strings.push_back( d_stdout_buffer );
}
d_stdout_buffer = "";
}
}
// end of read_stdout
//*******************************************************************
// read_stderr PRIVATE slot
//*******************************************************************
void SystemCall::read_stderr()
{
d_stderr_buffer += d_process->readStderr();
if( d_stderr_buffer.endsWith( "\n" ) ) {
if( ON_LINE == d_mode ) {
emit stderr_line( d_stderr_buffer );
}
else {
d_cerr_strings.push_back( d_stderr_buffer );
}
d_stderr_buffer = "";
}
}
// end of read_stderr
//*******************************************************************
// process_exited PRIVATE slot
//*******************************************************************
void SystemCall::process_exited()
{
const int status = d_process->exitStatus();
delproc();
emit finished( status );
}
// end of process_exited
//*******************************************************************
// delproc PRIVATE
//*******************************************************************
void SystemCall::delproc()
{
disconnect( d_process, SIGNAL( readyReadStdout() ), this, SLOT( read_stdout() ));
disconnect( d_process, SIGNAL( readyReadStderr() ), this, SLOT( read_stderr() ));
disconnect( d_process, SIGNAL( processExited() ), this, SLOT( process_exited() ));
delete d_process;
d_process = 0;
}
// end of delproc
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