src/engine.cpp

   1 /*
   2   Copyright (c) 2006 Paolo Capriotti <p.capriotti@sns.it>
   3             (c) 2006 Maurizio Monge <maurizio.monge@kdemail.net>
   4
   5   This program is free software; you can redistribute it and/or modify
   6   it under the terms of the GNU General Public License as published by
   7   the Free Software Foundation; either version 2 of the License, or
   8   (at your option) any later version.
   9 */
  10
  11 #include "engine.h"
  12
  13 #include <QTextStream>
  14
  15 #define ENGINE_DEBUG
  16 #ifdef ENGINE_DEBUG
  17   #include <iostream>
  18   #include "common.h"
  19 #endif
  20
  21 using namespace boost;
  22
  23 Engine::Engine(const QString& path, const QStringList& arguments)
  24 : m_path(path)
  25 , m_arguments(arguments) {
  26   connect(&m_engine, SIGNAL(readyRead()), this, SLOT(processInput()));
  27   connect(&m_engine, SIGNAL(finished(int, QProcess::ExitStatus)),
  28           this, SIGNAL(lostConnection()));
  29 }
  30
  31 Engine::~Engine() { }
  32
  33 void Engine::start() {
  34   if (!m_workPath.isNull())
  35     m_engine.setWorkingDirectory(m_workPath);
  36   m_engine.start(m_path, m_arguments);
  37   initializeEngine();
  38 }
  39
  40 void Engine::sendCommand(const QString& command, bool echo) {
  41   QTextStream os(&m_engine);
  42   os << command << "\n";
  43   if (echo && m_console)
  44     m_console->echo(command);
  45 #ifdef ENGINE_DEBUG
  46   std::cout << "> " << command << std::endl;
  47 #endif
  48 }
  49
  50 void Engine::processInput() {
  51   // process only full lines
  52   while (m_engine.canReadLine()) {
  53     QString line = m_engine.readLine();
  54     line.remove("\n").remove("\r");
  55 #ifdef ENGINE_DEBUG
  56     std::cout << "< " << line << std::endl;
  57 #endif
  58     if (m_console)
  59       m_console->displayText(line + "\n", 0);
  60     emit receivedCommand(line);
  61   }
  62 }
  63
  64 void Engine::textNotify(const QString& text) {
  65   sendCommand(text, false);
  66 }
  67
  68
  69 void Engine::setNotifier(const shared_ptr<EngineNotifier>& notifier) {
  70   m_notifier = notifier;
  71 }
  72
  73 void Engine::setConsole(const shared_ptr<Console>& console) {
  74   m_console = console;
  75 }
  76 #include "engine.moc"