org.apache.xalan.templates.XSLTVisitor Maven / Gradle / Ivy
/*
* 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: XSLTVisitor.java 468643 2006-10-28 06:56:03Z minchau $
*/
package org.apache.xalan.templates;
import org.apache.xpath.XPathVisitor;
/**
* A derivation from this class can be passed to a class that implements
* the XSLTVisitable interface, to have the appropriate method called
* for each component of an XSLT stylesheet. Aside from possible other uses,
* the main intention is to provide a reasonable means to perform expression
* rewriting.
*/
public class XSLTVisitor extends XPathVisitor
{
/**
* Visit an XSLT instruction. Any element that isn't called by one
* of the other visit methods, will be called by this method.
*
* @param elem The xsl instruction element object.
* @return true if the sub expressions should be traversed.
*/
public boolean visitInstruction(ElemTemplateElement elem)
{
return true;
}
/**
* Visit an XSLT stylesheet instruction.
*
* @param elem The xsl instruction element object.
* @return true if the sub expressions should be traversed.
*/
public boolean visitStylesheet(ElemTemplateElement elem)
{
return true;
}
/**
* Visit an XSLT top-level instruction.
*
* @param elem The xsl instruction element object.
* @return true if the sub expressions should be traversed.
*/
public boolean visitTopLevelInstruction(ElemTemplateElement elem)
{
return true;
}
/**
* Visit an XSLT top-level instruction.
*
* @param elem The xsl instruction element object.
* @return true if the sub expressions should be traversed.
*/
public boolean visitTopLevelVariableOrParamDecl(ElemTemplateElement elem)
{
return true;
}
/**
* Visit an XSLT variable or parameter declaration.
*
* @param elem The xsl instruction element object.
* @return true if the sub expressions should be traversed.
*/
public boolean visitVariableOrParamDecl(ElemVariable elem)
{
return true;
}
/**
* Visit a LiteralResultElement.
*
* @param elem The literal result object.
* @return true if the sub expressions should be traversed.
*/
public boolean visitLiteralResultElement(ElemLiteralResult elem)
{
return true;
}
/**
* Visit an Attribute Value Template (at the top level).
*
* @param elem The attribute value template object.
* @return true if the sub expressions should be traversed.
*/
public boolean visitAVT(AVT elem)
{
return true;
}
/**
* Visit an extension element.
* @param elem The extension object.
* @return true if the sub expressions should be traversed.
*/
public boolean visitExtensionElement(ElemExtensionCall elem)
{
return true;
}
}