AOO410/main/xmerge/source/pexcel/java/org/openoffice/xmerge/converter/xml/sxc/pexcel/records/formula/OperatorLookup.java

/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/



package org.openoffice.xmerge.converter.xml.sxc.pexcel.records.formula;

import java.util.HashMap;

/**
  * A lookup table containing information about operators
  */
public class OperatorLookup extends SymbolLookup {

	/**
	* The default constructor - invokes {@link #initialize() initialize()}
	*/
	public OperatorLookup() {
		initialize();
	}

	/**
	 * Initialize the lookup table for operators
	 */
	public void initialize() {
		if ((stringToID != null) || (idToString != null)) {
			return;
		}
		stringToID = new HashMap();
		idToString = new HashMap();
        addEntry("UNARY_PLUS", TokenConstants.TUPLUS);
        addEntry("UNARY_MINUS", TokenConstants.TUMINUS);
        addEntry("%", TokenConstants.TPERCENT);
        addEntry("+", TokenConstants.TADD);
        addEntry("-", TokenConstants.TSUB);
        addEntry("*", TokenConstants.TMUL);
        addEntry("/", TokenConstants.TDIV);
        addEntry(",", TokenConstants.TARGSEP);
        addEntry("^", TokenConstants.TPOWER);
        addEntry("&", TokenConstants.TCONCAT);
        addEntry("(", TokenConstants.TPAREN);
        addEntry(")", TokenConstants.TCLOSEPAREN);
        addEntry("<", TokenConstants.TLESS);
        addEntry(">", TokenConstants.TGREATER);
        addEntry(">=", TokenConstants.TGTEQUALS);
        addEntry("<=", TokenConstants.TLESSEQUALS);
        addEntry("=", TokenConstants.TEQUALS);
        addEntry("<>", TokenConstants.TNEQUALS);
	}
	
}