| /* |
| * 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. |
| */ |
| /* |
| * $Id: ProcessorExsltFuncResult.java 468640 2006-10-28 06:53:53Z minchau $ |
| */ |
| package org.apache.xalan.processor; |
| |
| import org.apache.xalan.templates.ElemExsltFuncResult; |
| import org.apache.xalan.templates.ElemExsltFunction; |
| import org.apache.xalan.templates.ElemParam; |
| import org.apache.xalan.templates.ElemTemplateElement; |
| import org.apache.xalan.templates.ElemVariable; |
| |
| import org.xml.sax.Attributes; |
| import org.xml.sax.SAXException; |
| |
| /** |
| * This class processes parse events for an exslt func:result element. |
| * @xsl.usage internal |
| */ |
| public class ProcessorExsltFuncResult extends ProcessorTemplateElem |
| { |
| static final long serialVersionUID = 6451230911473482423L; |
| |
| /** |
| * Verify that the func:result element does not appear within a variable, |
| * parameter, or another func:result, and that it belongs to a func:function |
| * element. |
| */ |
| public void startElement( |
| StylesheetHandler handler, String uri, String localName, String rawName, Attributes attributes) |
| throws SAXException |
| { |
| String msg = ""; |
| |
| super.startElement(handler, uri, localName, rawName, attributes); |
| ElemTemplateElement ancestor = handler.getElemTemplateElement().getParentElem(); |
| while (ancestor != null && !(ancestor instanceof ElemExsltFunction)) |
| { |
| if (ancestor instanceof ElemVariable |
| || ancestor instanceof ElemParam |
| || ancestor instanceof ElemExsltFuncResult) |
| { |
| msg = "func:result cannot appear within a variable, parameter, or another func:result."; |
| handler.error(msg, new SAXException(msg)); |
| } |
| ancestor = ancestor.getParentElem(); |
| } |
| if (ancestor == null) |
| { |
| msg = "func:result must appear in a func:function element"; |
| handler.error(msg, new SAXException(msg)); |
| } |
| } |
| } |