| /* |
| * 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: ElemComment.java 468643 2006-10-28 06:56:03Z minchau $ |
| */ |
| package org.apache.xalan.templates; |
| |
| import javax.xml.transform.TransformerException; |
| |
| import org.apache.xalan.res.XSLTErrorResources; |
| import org.apache.xalan.transformer.TransformerImpl; |
| |
| /** |
| * Implement xsl:comment. |
| * <pre> |
| * <!ELEMENT xsl:comment %char-template;> |
| * <!ATTLIST xsl:comment %space-att;> |
| * </pre> |
| * @see <a href="http://www.w3.org/TR/xslt#section-Creating-Comments">section-Creating-Comments in XSLT Specification</a> |
| * @xsl.usage advanced |
| */ |
| public class ElemComment extends ElemTemplateElement |
| { |
| static final long serialVersionUID = -8813199122875770142L; |
| |
| /** |
| * Get an int constant identifying the type of element. |
| * @see org.apache.xalan.templates.Constants |
| * |
| * @return The token ID for this element |
| */ |
| public int getXSLToken() |
| { |
| return Constants.ELEMNAME_COMMENT; |
| } |
| |
| /** |
| * Return the node name. |
| * |
| * @return This element's name |
| */ |
| public String getNodeName() |
| { |
| return Constants.ELEMNAME_COMMENT_STRING; |
| } |
| |
| /** |
| * Execute the xsl:comment transformation |
| * |
| * |
| * @param transformer non-null reference to the the current transform-time state. |
| * |
| * @throws TransformerException |
| */ |
| public void execute( |
| TransformerImpl transformer) |
| throws TransformerException |
| { |
| try |
| { |
| // Note the content model is: |
| // <!ENTITY % instructions " |
| // %char-instructions; |
| // | xsl:processing-instruction |
| // | xsl:comment |
| // | xsl:element |
| // | xsl:attribute |
| // "> |
| String data = transformer.transformToString(this); |
| |
| transformer.getResultTreeHandler().comment(data); |
| } |
| catch(org.xml.sax.SAXException se) |
| { |
| throw new TransformerException(se); |
| } |
| } |
| |
| /** |
| * Add a child to the child list. |
| * |
| * @param newChild Child to add to this node's child list |
| * |
| * @return Child that was just added to child list |
| * |
| * @throws DOMException |
| */ |
| public ElemTemplateElement appendChild(ElemTemplateElement newChild) |
| { |
| |
| int type = ((ElemTemplateElement) newChild).getXSLToken(); |
| |
| switch (type) |
| { |
| |
| // char-instructions |
| case Constants.ELEMNAME_TEXTLITERALRESULT : |
| case Constants.ELEMNAME_APPLY_TEMPLATES : |
| case Constants.ELEMNAME_APPLY_IMPORTS : |
| case Constants.ELEMNAME_CALLTEMPLATE : |
| case Constants.ELEMNAME_FOREACH : |
| case Constants.ELEMNAME_VALUEOF : |
| case Constants.ELEMNAME_COPY_OF : |
| case Constants.ELEMNAME_NUMBER : |
| case Constants.ELEMNAME_CHOOSE : |
| case Constants.ELEMNAME_IF : |
| case Constants.ELEMNAME_TEXT : |
| case Constants.ELEMNAME_COPY : |
| case Constants.ELEMNAME_VARIABLE : |
| case Constants.ELEMNAME_MESSAGE : |
| |
| // instructions |
| // case Constants.ELEMNAME_PI: |
| // case Constants.ELEMNAME_COMMENT: |
| // case Constants.ELEMNAME_ELEMENT: |
| // case Constants.ELEMNAME_ATTRIBUTE: |
| break; |
| default : |
| error(XSLTErrorResources.ER_CANNOT_ADD, |
| new Object[]{ newChild.getNodeName(), |
| this.getNodeName() }); //"Can not add " +((ElemTemplateElement)newChild).m_elemName + |
| |
| //" to " + this.m_elemName); |
| } |
| |
| return super.appendChild(newChild); |
| } |
| } |