| /* |
| * 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: AttributeIterator.java 468655 2006-10-28 07:12:06Z minchau $ |
| */ |
| package org.apache.xpath.axes; |
| |
| import org.apache.xml.dtm.DTM; |
| import org.apache.xpath.compiler.Compiler; |
| |
| /** |
| * This class implements an optimized iterator for |
| * attribute axes patterns. |
| * @see org.apache.xpath.axes#ChildTestIterator |
| * @xsl.usage advanced |
| */ |
| public class AttributeIterator extends ChildTestIterator |
| { |
| static final long serialVersionUID = -8417986700712229686L; |
| |
| /** |
| * Create a AttributeIterator object. |
| * |
| * @param compiler A reference to the Compiler that contains the op map. |
| * @param opPos The position within the op map, which contains the |
| * location path expression for this itterator. |
| * |
| * @throws javax.xml.transform.TransformerException |
| */ |
| AttributeIterator(Compiler compiler, int opPos, int analysis) |
| throws javax.xml.transform.TransformerException |
| { |
| super(compiler, opPos, analysis); |
| } |
| |
| /** |
| * Get the next node via getFirstAttribute && getNextAttribute. |
| */ |
| protected int getNextNode() |
| { |
| m_lastFetched = (DTM.NULL == m_lastFetched) |
| ? m_cdtm.getFirstAttribute(m_context) |
| : m_cdtm.getNextAttribute(m_lastFetched); |
| return m_lastFetched; |
| } |
| |
| /** |
| * Returns the axis being iterated, if it is known. |
| * |
| * @return Axis.CHILD, etc., or -1 if the axis is not known or is of multiple |
| * types. |
| */ |
| public int getAxis() |
| { |
| return org.apache.xml.dtm.Axis.ATTRIBUTE; |
| } |
| |
| |
| |
| } |