/**
  *
  *                      OOAS Compiler
  *
  *       Copyright 2015, AIT Austrian Institute of Technology.
  * This code is based on the C# Version of the OOAS Compiler, which is
  * copyright 2015 by the Institute of Software Technology, Graz University
  * of Technology with portions copyright by the AIT Austrian Institute of
  * Technology. All rights reserved.
  *
  * SEE THE "LICENSE" FILE FOR THE TERMS UNDER WHICH THIS FILE IS PROVIDED.
  *
  * If you modify the file please update the list of contributors below to in-
  * clude your name. Please also stick to the coding convention of using TABs
  * to do the basic (block-level) indentation and spaces for anything after
  * that. (Enable the display of special chars and it should be pretty obvious
  * what this means.) Also, remove all trailing whitespace.
  *
  * Contributors:
  *               Willibald Krenn (AIT)
  *               Stephan Zimmerer (AIT)
  *               Markus Demetz (AIT)
  *               Christoph Czurda (AIT)
  *               Stefan Tiran (AIT)
  *
  */


package org.momut.ooas.ast.expressions;

import java.util.ArrayList;

import org.momut.ooas.ast.IAstVisitor;
import org.momut.ooas.ast.types.OoActionSystemInstance;
import org.momut.ooas.ast.types.OpaqueType;
import org.momut.ooas.ast.types.Type;

public final class ObjectConstructor extends TypeConstructionExpression
{
	private final ArrayList<OoActionSystemInstance> m_instances;
	private int m_currentInstance;
	private String m_fixedObjectName;

	private final String cleanup(String name) {
		if (name.startsWith("\"")) {
			name = name.substring(1, name.length()-1);
		}
		return name;
	}

	public int currentInstance() { return m_currentInstance; }
	public ArrayList<OoActionSystemInstance> instances() { return m_instances; }
	public String givenObjectName() { return m_fixedObjectName; }

	public void ResetCurrentInstance() { m_currentInstance = 0; }

	public ObjectConstructor(OpaqueType aType, int line, int pos)
	{
		super (ExpressionKind.ObjectConstr, line, pos);
		SetType(aType);
		m_instances = new ArrayList<OoActionSystemInstance>();
		m_currentInstance = 0;
	}

	public ObjectConstructor(OpaqueType aType, String aName, int line, int pos)
	{
		super (ExpressionKind.ObjectConstr, line, pos);
		SetType(aType);
		m_instances = new ArrayList<OoActionSystemInstance>();
		m_currentInstance = 0;
		m_fixedObjectName = cleanup(aName);
	}

	public ObjectConstructor(Type aType, String aName, int line, int pos)
	{
		super (ExpressionKind.ObjectConstr, line, pos);
		SetType(aType);
		m_instances = new ArrayList<OoActionSystemInstance>();
		m_currentInstance = 0;
		m_fixedObjectName = cleanup(aName);
	}

	public ObjectConstructor(ObjectConstructor toCopy)
	{
		super (toCopy);
		m_instances = new ArrayList<OoActionSystemInstance>( toCopy.m_instances);
		m_currentInstance = toCopy.m_currentInstance;
		m_fixedObjectName = toCopy.m_fixedObjectName;
	}

	@Override
	public Expression Clone()
	{
		return new ObjectConstructor(this);
	}

	@Override
	public void Accept(IAstVisitor visitor)
	{
		visitor.visit(this);
	}

	public void AddInstance(OoActionSystemInstance anInstance)
	{
		m_instances.add(anInstance);
	}

	public OoActionSystemInstance GetNextInstance()
	{
		final OoActionSystemInstance result = m_instances.get(m_currentInstance);
		m_currentInstance++;
		return result;
	}
}