/* 
 *  Copyright (C) 2000 - 2010 TagServlet Ltd
 *
 *  This file is part of Open BlueDragon (OpenBD) CFML Server Engine.
 *  
 *  OpenBD is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  Free Software Foundation,version 3.
 *  
 *  OpenBD 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 OpenBD.  If not, see http://www.gnu.org/licenses/
 *  
 *  Additional permission under GNU GPL version 3 section 7
 *  
 *  If you modify this Program, or any covered work, by linking or combining 
 *  it with any of the JARS listed in the README.txt (or a modified version of 
 *  (that library), containing parts covered by the terms of that JAR, the 
 *  licensors of this Program grant you additional permission to convey the 
 *  resulting work. 
 *  README.txt @ http://www.openbluedragon.org/license/README.txt
 *  
 *  http://www.openbluedragon.org/
 */

package com.naryx.tagfusion.cfm.parser.script;

/**
 * Compound statement, a container for a sequence of substatements.
 */

import java.util.ArrayList;
import java.util.Iterator;

import com.naryx.tagfusion.cfm.engine.cfmRunTimeException;
import com.naryx.tagfusion.cfm.parser.CFContext;
import com.naryx.tagfusion.cfm.tag.cfTag;

public class CFCompoundStatement extends CFParsedStatement implements CFScriptStatement, java.io.Serializable
{
	private static final long serialVersionUID = 1L;

	private ArrayList<CFScriptStatement> _v;		// Vector of CFStatements

	public CFCompoundStatement() {
		super(1,1);
		_v = new ArrayList<CFScriptStatement>();
	}


	public void setHostTag( cfTag _parentTag ){
		super.setHostTag(_parentTag);
		Iterator<CFScriptStatement>	it	= _v.iterator();
		while ( it.hasNext() )
			it.next().setHostTag(_parentTag);
	}

	
	public CFCompoundStatement( org.antlr.runtime.Token t ) {
		super(t);
		_v = new ArrayList<CFScriptStatement>();
	}

	public void add( CFScriptStatement s ) {
		_v.add(s);
	}
	
	public void addFunction( CFScriptStatement s ){
		_v.add( 0, s );
	}
	
	public ArrayList<CFScriptStatement> getStatements(){
		return _v;	
	}
	
	public int numOfStatements() {
		return _v.size();
	}
	
	public void checkIndirectAssignments( String[] scriptSource ) {
		for ( int i = 0; i < _v.size(); i++ ) {
			_v.get( i ).checkIndirectAssignments( scriptSource );
		}
	}

	public com.naryx.tagfusion.cfm.parser.script.CFStatementResult Exec(CFContext context) throws cfmRunTimeException {
		for ( int i = 0; i < _v.size(); i++ ) {
			com.naryx.tagfusion.cfm.parser.script.CFStatementResult statementResult = _v.get(i).Exec( context );
			if ( context.getSession().isStopped() ) {
				context.getSession().abortPageProcessing();
			}
			if ( statementResult != null ) {
				return statementResult;
			}
		}
		return null;
	}

	public String Decompile(int indent) {
		StringBuilder s = new StringBuilder();
		s.append( Indent(indent) );
		s.append( "{\n" );
		for( int i=0; i<_v.size(); i++) {
			s.append( _v.get(i).Decompile(indent+2) );
		}
		s.append( "\n" );
		s.append( Indent(indent) );
		s.append( "}" );
		return s.toString();
  }

}