/*******************************************************************************
 * Copyright (c) 2000, 2001, 2002 International Business Machines Corp. and others.
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Common Public License v0.5 
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v05.html
 * 
 * Contributors:
 *     IBM Corporation - initial API and implementation
 ******************************************************************************/
package net.sourceforge.phpdt.internal.compiler.ast;

//import net.sourceforge.phpdt.internal.compiler.IAbstractSyntaxTreeVisitor;
//import net.sourceforge.phpdt.internal.compiler.codegen.CodeStream;
//import net.sourceforge.phpdt.internal.compiler.impl.Constant;
//import net.sourceforge.phpdt.internal.compiler.lookup.BlockScope;
//import net.sourceforge.phpdt.internal.compiler.lookup.TypeBinding;

public class StringLiteral {
	char[] source;
	public int sourceStart, sourceEnd;
	
	public StringLiteral(char[] token, int s, int e) {
		source = token;
		sourceStart = s;
		sourceEnd = e;
	}
	public StringLiteral(int s, int e) {
		sourceStart = s;
		sourceEnd = e;
	}

	/**
	 * source method comment.
	 */
	public char[] source() {
		return source;
	}
	public String toStringExpression() {

		// handle some special char.....
		StringBuffer result = new StringBuffer("\""); //$NON-NLS-1$
		for (int i = 0; i < source.length; i++) {
			switch (source[i]) {
				case '\b' :
					result.append("\\b"); //$NON-NLS-1$
					break;
				case '\t' :
					result.append("\\t"); //$NON-NLS-1$
					break;
				case '\n' :
					result.append("\\n"); //$NON-NLS-1$
					break;
				case '\f' :
					result.append("\\f"); //$NON-NLS-1$
					break;
				case '\r' :
					result.append("\\r"); //$NON-NLS-1$
					break;
				case '\"' :
					result.append("\\\""); //$NON-NLS-1$
					break;
				case '\'' :
					result.append("\\'"); //$NON-NLS-1$
					break;
				case '\\' : //take care not to display the escape as a potential real char
					result.append("\\\\"); //$NON-NLS-1$
					break;
				default :
					result.append(source[i]);
			}
		}
		result.append("\""); //$NON-NLS-1$
		return result.toString();
	}
	
	/** 
	 * @deprecated - use field instead
	*/
	public int sourceEnd() {
		return sourceEnd;
	}
	
	/** 
	 * @deprecated - use field instead
	*/
	public int sourceStart() {
		return sourceStart;
	}
}