/*
* XML input/output support for FindBugs
* Copyright (C) 2004, University of Maryland
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package edu.umd.cs.findbugs.xml;
import java.util.BitSet;
import java.util.HashMap;
import java.util.Map;
/**
* Map of metacharacters that need to be escaped,
* and what to replace them with.
*
* @see QuoteMetaCharacters
* @author David Hovemeyer
*/
public class MetaCharacterMap {
private BitSet metaCharacterSet;
private Map<String, String> replacementMap;
/**
* Constructor.
* Creates an empty object.
*/
public MetaCharacterMap() {
this.metaCharacterSet = new BitSet();
this.replacementMap = new HashMap<String, String>();
}
/**
* Add a metacharacter and its replacement.
*
* @param meta the metacharacter
* @param replacement the String to replace the metacharacter with
*/
public void addMeta(char meta, String replacement) {
metaCharacterSet.set(meta);
replacementMap.put(new String(new char[]{meta}), replacement);
}
/**
* Return whether or not given character is a metacharacter.
*/
boolean isMeta(char c) {
return metaCharacterSet.get(c);
}
/**
* Get the replacement for a metacharacter.
*
* @param c a String containing the metacharacter
*/
String getReplacement(String c) {
return replacementMap.get(c);
}
}
// vim:ts=4