/* $Id$ */
/**
* 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.apache.manifoldcf.scriptengine;
/** Class defining the creation of a new Query Argument object.
*/
public class NewQueryArgument implements NewOperation
{
/** Parse and execute. Parsing begins right after the "new" keyword and the operation name token.
*@param sp is the script parser to use to help in the parsing.
*@param currentStream is the current token stream.
*@return the variable reference that got created. Should never be null.
*/
@Override
public VariableReference parseAndCreate(ScriptParser sp, TokenStream currentStream)
throws ScriptException
{
VariableReference name = sp.evaluateExpression(currentStream);
if (name == null)
sp.syntaxError(currentStream,"Need name expression");
String nameString = sp.resolveMustExist(currentStream,name).getStringValue();
String valueString = null;
Token equal = currentStream.peek();
if (equal != null && equal.getPunctuation() != null && equal.getPunctuation().equals("="))
{
currentStream.skip();
VariableReference value = sp.evaluateExpression(currentStream);
if (value == null)
sp.syntaxError(currentStream,"Need value expression");
valueString = sp.resolveMustExist(currentStream,value).getStringValue();
}
return new VariableQueryArg(nameString,valueString);
}
/** Parse and skip. Parsing begins right after the "new" keyword and the operation name token.
*@param sp is the script parser to use to help in the parsing.
*@param currentStream is the current token stream.
*/
@Override
public void parseAndSkip(ScriptParser sp, TokenStream currentStream)
throws ScriptException
{
sp.skipExpression(currentStream);
Token equal = currentStream.peek();
if (equal != null && equal.getPunctuation() != null && equal.getPunctuation().equals("="))
{
currentStream.skip();
sp.skipExpression(currentStream);
}
}
}