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A java-based parser for parsing/grabbing web sites and other text or XML documents, based on a nondeterministic parser language, creating XML output. Also contains a few utility classes for HTML, CSV and text parsing, and additional character sets. The jMatchParser-charset module contains the character sets.

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/*
 * Copyright (c) 2009 - 2011 Michael Schierl
 * 
 * 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 name of the copyright holders 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 THE 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 THE COPYRIGHT
 * HOLDERS OR THE CONTRIBUTORS 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 net.sf.jmatchparser.util.charset;

import java.util.Map;

class BestFitCharset extends Table8BitCharset {

	private final String bestFits;

	protected BestFitCharset(String canonicalName, String mapping, String bestFits) {
		super(canonicalName, new String[0], mapping);
		this.bestFits = bestFits;
	}

	@Override
	protected void addExtraItemsToEncoderMap(Map encoderMap) {
		for (int i = 0; i < bestFits.length(); i += 2) {
			if (encoderMap.containsKey(bestFits.charAt(i)) || !encoderMap.containsKey(bestFits.charAt(i + 1))) {
				throw new RuntimeException();
			}
			encoderMap.put(bestFits.charAt(i), encoderMap.get(bestFits.charAt(i + 1)));
		}
	}
}