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Diffstat (limited to 'src/com/sun/org/apache/xml/internal/dtm/ref/DTMNodeList.java')
-rw-r--r-- | src/com/sun/org/apache/xml/internal/dtm/ref/DTMNodeList.java | 129 |
1 files changed, 0 insertions, 129 deletions
diff --git a/src/com/sun/org/apache/xml/internal/dtm/ref/DTMNodeList.java b/src/com/sun/org/apache/xml/internal/dtm/ref/DTMNodeList.java deleted file mode 100644 index 3a933c8..0000000 --- a/src/com/sun/org/apache/xml/internal/dtm/ref/DTMNodeList.java +++ /dev/null @@ -1,129 +0,0 @@ -/* - * reserved comment block - * DO NOT REMOVE OR ALTER! - */ -/* - * Copyright 1999-2004 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. - */ -/* - * $Id: DTMNodeList.java,v 1.2.4.1 2005/09/15 08:15:04 suresh_emailid Exp $ - */ -package com.sun.org.apache.xml.internal.dtm.ref; - -import com.sun.org.apache.xml.internal.dtm.DTM; -import com.sun.org.apache.xml.internal.dtm.DTMIterator; -import org.w3c.dom.Node; - -/** - * <code>DTMNodeList</code> gives us an implementation of the DOM's - * NodeList interface wrapped around a DTM Iterator. The author - * considers this something of an abominations, since NodeList was not - * intended to be a general purpose "list of nodes" API and is - * generally considered by the DOM WG to have be a mistake... but I'm - * told that some of the XPath/XSLT folks say they must have this - * solution. - * - * Please note that this is not necessarily equivlaent to a DOM - * NodeList operating over the same document. In particular: - * <ul> - * - * <li>If there are several Text nodes in logical succession (ie, - * across CDATASection and EntityReference boundaries), we will return - * only the first; the caller is responsible for stepping through - * them. - * (%REVIEW% Provide a convenience routine here to assist, pending - * proposed DOM Level 3 getAdjacentText() operation?) </li> - * - * <li>Since the whole XPath/XSLT architecture assumes that the source - * document is not altered while we're working with it, we do not - * promise to implement the DOM NodeList's "live view" response to - * document mutation. </li> - * - * </ul> - * - * <p>State: In progress!!</p> - * */ -public class DTMNodeList extends DTMNodeListBase { - private DTMIterator m_iter; - - //================================================================ - // Methods unique to this class - private DTMNodeList() { - } - - /** - * Public constructor: Wrap a DTMNodeList around an existing - * and preconfigured DTMIterator - * - * WARNING: THIS HAS THE SIDE EFFECT OF ISSUING setShouldCacheNodes(true) - * AGAINST THE DTMIterator. - * - */ - public DTMNodeList(DTMIterator dtmIterator) { - if (dtmIterator != null) { - int pos = dtmIterator.getCurrentPos(); - try { - m_iter=(DTMIterator)dtmIterator.cloneWithReset(); - } catch(CloneNotSupportedException cnse) { - m_iter = dtmIterator; - } - m_iter.setShouldCacheNodes(true); - m_iter.runTo(-1); - m_iter.setCurrentPos(pos); - } - } - - /** - * Access the wrapped DTMIterator. I'm not sure whether anyone will - * need this or not, but let's write it and think about it. - * - */ - public DTMIterator getDTMIterator() { - return m_iter; - } - - //================================================================ - // org.w3c.dom.NodeList API follows - - /** - * Returns the <code>index</code>th item in the collection. If - * <code>index</code> is greater than or equal to the number of nodes in - * the list, this returns <code>null</code>. - * @param index Index into the collection. - * @return The node at the <code>index</code>th position in the - * <code>NodeList</code>, or <code>null</code> if that is not a valid - * index. - */ - public Node item(int index) - { - if (m_iter != null) { - int handle=m_iter.item(index); - if (handle == DTM.NULL) { - return null; - } - return m_iter.getDTM(handle).getNode(handle); - } else { - return null; - } - } - - /** - * The number of nodes in the list. The range of valid child node indices - * is 0 to <code>length-1</code> inclusive. - */ - public int getLength() { - return (m_iter != null) ? m_iter.getLength() : 0; - } -} |