WithOperation.java

/*
 *   WithOperation.java
 * 	 @Author Oleg Gorobets
 *   Created: 14.08.2007
 *   CVS-ID: $Id: 
 *************************************************************************/

package org.swfparser.operation;

import java.util.List;
import java.util.Stack;

import org.swfparser.CodeUtil;
import org.swfparser.ExecutionContext;
import org.swfparser.Operation;
import org.swfparser.SkipOperation;
import org.swfparser.annotations.NewAnalyzer;
import org.swfparser.exception.StatementBlockException;
import com.jswiff.swfrecords.actions.With;

@NewAnalyzer
public class WithOperation extends AbstractCompoundOperation implements SkipOperation {

//	private With action;
	private Operation object;
	private List<Operation> operations;
	private boolean skipEmptyWithBlock = false;
	
	public WithOperation(Stack<Operation> stack, ExecutionContext context, With with) throws StatementBlockException {
		super(context);
		object = stack.pop();
		
		this.operations = executeWithSameStack(context, with.getWithBlock().getActions(), this);
		
		// skip empty with block
		if (this.operations.isEmpty()) {
			skipEmptyWithBlock = true;
		}
		
	}

	public String getStringValue(int level) {
		StringBuffer buf = new StringBuffer()
			.append(CodeUtil.getIndent(level))
			.append("with (")
			.append(object.getStringValue(level))
			.append(") {\n");
		
		for (Operation operation : operations) {
			buf
			.append(operation.getStringValue(level+1))
			.append(";\n");
		}
		
		buf
		.append(CodeUtil.getIndent(level))
		.append("}");
		
		return buf.toString();
	}

	public boolean skip() {
		return skipEmptyWithBlock;
	}

}