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/*===========================================================================*\
 *                                                                           *
 *                              OpenFlipper                                  *
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 *      Copyright (C) 2001-2010 by Computer Graphics Group, RWTH Aachen      *
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 *                           www.openflipper.org                             *
 *                                                                           *
 *---------------------------------------------------------------------------*
 *  This file is part of OpenFlipper.                                        *
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 *  OpenFlipper is free software: you can redistribute it and/or modify      *
 *  it under the terms of the GNU Lesser General Public License as           *
 *  published by the Free Software Foundation, either version 3 of           *
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 *  If other files instantiate templates or use macros                       *
 *  or inline functions from this file, or you compile this file and         *
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 *  not by itself cause the resulting executable to be covered by the        *
 *  GNU Lesser General Public License. This exception does not however       *
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 *  covered by the GNU Lesser General Public License.                        *
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 *  OpenFlipper is distributed in the hope that it will be useful,           *
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 *  GNU Lesser General Public License for more details.                      *
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 *  You should have received a copy of the GNU LesserGeneral Public          *
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\*===========================================================================*/

/*===========================================================================*\
 *                                                                           *
 *   $Revision$                                                         *
 *   $Author$                                                      *
 *   $Date$                   *
 *                                                                           *
\*===========================================================================*/
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//=============================================================================
//
//  CLASS Core - IMPLEMENTATION
//
//=============================================================================


//== INCLUDES =================================================================

// -------------------- mview
#include "Core.hh"
#include <OpenFlipper/common/Types.hh>

//== IMPLEMENTATION ==========================================================



void Core::slotPluginExists( QString _pluginName , bool& _exists ) {

  for ( int i = 0 ; i < (int)plugins.size(); ++i ) {
    if ( plugins[i].rpcName == _pluginName ) {
      _exists = true;
      return;
    }
  }

  _exists = false;
}

void Core::slotFunctionExists( QString _pluginName , QString _functionName , bool& _exists  ) {

  //Find plugin
  int plugin = -1;
  for ( int i = 0 ; i < (int)plugins.size(); ++i ) {
    if ( plugins[i].rpcName == _pluginName ) {
      plugin = i;
      break;
    }
  }

  if ( plugin == -1 ) {
    _exists = false;
    return;
  }

  _exists = plugins[plugin].rpcFunctions.contains(_functionName);
}

void Core::slotCall( QString _pluginName , QString _functionName , bool& _success  ) {

  //Find plugin
  int plugin = -1;
  for ( int i = 0 ; i < (int)plugins.size(); ++i ) {
    if ( plugins[i].rpcName == _pluginName ) {
      plugin = i;
      break;
    }
  }

  if ( plugin == -1 ) {
    _success = false;
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    emit log(LOGERR, tr("Unable to call function from Plugin : ") + _pluginName + tr(" ( Plugin not Found! )"));
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    return;
  }

  if ( !plugins[plugin].rpcFunctions.contains(_functionName) ) {
    _success = false;
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    emit log(LOGERR, tr("Unable to call function from Plugin : ") + _pluginName);
    emit log(LOGERR, tr("Function ") + _functionName + tr(" not found!"));
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    return;
  }

  scriptEngine_.evaluate(_pluginName + "." + _functionName );
  if ( scriptEngine_.hasUncaughtException() ) {
    _success = false;
    QScriptValue result = scriptEngine_.uncaughtException();
    QString exception = result.toString();
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    emit log( LOGERR , tr("RPC failed with : ") + exception );
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    return;
  }

  _success = true;

}

void Core::slotCall( QString _expression , bool& _success  ) {

  scriptEngine_.evaluate( _expression );
  if ( scriptEngine_.hasUncaughtException() ) {
    _success = false;
    QScriptValue result = scriptEngine_.uncaughtException();
    QString exception = result.toString();
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    emit log( LOGERR , tr("RPC failed with : ") + exception );
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    return;
  }

  _success = true;

}

void Core::slotGetValue(QString _expression, QVariant& _result ){
  //execute the expression
  bool ok;

  slotCall("var tmpValue=" + _expression + ";", ok);

  if (!ok){
    _result = QVariant();
    return;
  }

  //get the return value
  QScriptValue val = scriptEngine_.globalObject().property("tmpValue");

//   std::cerr << "Type:" << val.toVariant().userType() << std::endl; 
//   std::cerr << "Value:" << val.toVariant().toString().toStdString()<< std::endl;

  _result = val.toVariant();
}

//=============================================================================