| // Copyright 2004 The Apache Software Foundation |
| // |
| // Licensed 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.tapestry.script; |
| |
| import org.apache.tapestry.Tapestry; |
| import org.apache.tapestry.util.xml.RuleDirectedParser; |
| import org.xml.sax.Attributes; |
| |
| /** |
| * Constructs an {@link org.apache.tapestry.script.LetToken} |
| * from a <let> element, which may contain full content. |
| * |
| * @author Howard Lewis Ship |
| * @version $Id$ |
| * @since 3.0 |
| */ |
| class LetRule extends AbstractTokenRule |
| { |
| |
| public void startElement(RuleDirectedParser parser, Attributes attributes) |
| { |
| String key = getAttribute(attributes, "key"); |
| |
| String unique = getAttribute(attributes, "unique"); |
| boolean uniqueFlag = unique != null && unique.equals("yes"); |
| |
| parser.validate(key, Tapestry.SIMPLE_PROPERTY_NAME_PATTERN, "ScriptParser.invalid-key"); |
| |
| LetToken token = new LetToken(key, uniqueFlag, parser.getLocation()); |
| |
| addToParent(parser, token); |
| |
| parser.push(token); |
| } |
| |
| public void endElement(RuleDirectedParser parser) |
| { |
| parser.pop(); |
| } |
| |
| } |