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Plan.icc

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/* -*- Mode: C++ -*-
 * $Id: Plan.icc,v 1.4 2000/10/25 19:34:07 frehe Exp $
 *
 *
 * COPYRIGHT INFORMATION
 *
 * This file is part of RoboSoc created by Fredrik Heintz <frehe@ida.liu.se>
 * Copyright (C) 1999, 2000 Fredrik Heintz, Linköping University, Sweden
 *
 * You are allowed to modify and use this code as long as you retain this
 * notice. If you make any changes or have any comments I would appreciate
 * it if you send me a message. For more information, please see
 * http://www.ida.liu.se/~frehe/RoboCup/RoboSoc/
 *
 *
 * IDENTIFICATION
 *
 * Filename: Plan.icc
 * Unitname: Library
 * $Revision: 1.4 $
 * Created by: Fredrik Heintz 2000-09-03
 * Last modified by $Author: frehe $ $Date: 2000/10/25 19:34:07 $
 *
 *
 * HISTORY
 *
 * $Log: Plan.icc,v $
 * Revision 1.4  2000/10/25 19:34:07  frehe
 * Fixed Plan to check for empty steps and plans.
 *
 * Revision 1.3  2000/09/05 21:09:07  frehe
 * Fixed a bug in the copying of steps.
 *
 * Revision 1.2  2000/09/03 20:05:51  frehe
 * Made minor changes.
 *
 * Revision 1.1  2000/09/03 13:35:56  frehe
 * Imported the current version of RoboSoc (soon to be v2.5.0)
 *
 */

#include "machine_dependent_compiler_directives.h"
#include "rs_assert.h"


RS_BEGIN_NAMESPACE


// --- OTHER METHODS ---

inline Plan& Plan::addStep(const Step& step)
{
  RS_CHECK_INVARIANT;
  if ( !step.empty() ) {
    stepSequence.push_back(step);
  }
  RS_CHECK_INVARIANT;
  return *this;
}


inline Plan& Plan::removeNextStep()
{
  RS_CHECK_INVARIANT;
  if ( !empty() ) {
    stepSequence.pop_front();
  }
  RS_CHECK_INVARIANT;
  return *this;
}


inline Plan& Plan::removeLastStep()
{
  RS_CHECK_INVARIANT;
  if ( !empty() ) {
    stepSequence.pop_back();
  }
  RS_CHECK_INVARIANT;
  return *this;
}


inline bool Plan::empty() const
{
  RS_CHECK_INVARIANT;
  return stepSequence.empty();
}


inline Plan& Plan::makeEmpty()
{
  RS_CHECK_INVARIANT;
  if ( !empty() ) {
    stepSequence.clear();
  }
  RS_CHECK_INVARIANT;
  return *this;
}


// --- TEST METHODS ---

inline bool Plan::invariant() const
{
  return true;
}


RS_END_NAMESPACE

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