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A metacompilation framework for Java using attribute grammars.

There is a newer version: 2.3.6

/* Copyright (c) 2013, Jesper Öqvist 
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the  nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL  BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.jastadd.util;

/**
 * @author Jesper Öqvist 
 */
public class StringLiterals {
	/**
	 * @param theString
	 * @return Escaped Java string literal
	 */
	public static String buildStringLiteral(String theString) {
		StringBuilder buf = new StringBuilder(theString.length());
		for (int i = 0; i < theString.length(); ++i) {
			char c = theString.charAt(i);
			if (c >= 0x20 && c <= 0x7E) {
				switch (c) {
				case '"':
					buf.append("\\\"");
					break;
				case '\\':
					buf.append("\\\\");
					break;
				default:
					buf.append(c);
				}
			} else if (c < 0x20) {
				buf.append(String.format("\\%03o", (int) c));
			} else {
				buf.append(String.format("\\u%04X", (int) c));
			}
		}
		return buf.toString();
	}
}