JDK 17 java.xml.jmod - XML Module
JDK 17 java.xml.jmod is the JMOD file for JDK 17 XML (eXtensible Markup Language) module.
JDK 17 XML module compiled class files are stored in \fyicenter\jdk-17.0.5\jmods\java.xml.jmod.
JDK 17 XML module compiled class files are also linked and stored in the \fyicenter\jdk-17.0.5\lib\modules JImage file.
JDK 17 XML module source code files are stored in \fyicenter\jdk-17.0.5\lib\src.zip\java.xml.
You can click and view the content of each source code file in the list below.
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⏎ com/sun/org/apache/xalan/internal/xsltc/dom/MultiValuedNodeHeapIterator.java
/*
* Copyright (c) 2007, 2022, Oracle and/or its affiliates. All rights reserved.
* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*/
/*
* 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: UnionIterator.java 337874 2004-02-16 23:06:53Z minchau $
*/
package com.sun.org.apache.xalan.internal.xsltc.dom;
import com.sun.org.apache.xalan.internal.xsltc.DOM;
import com.sun.org.apache.xalan.internal.xsltc.runtime.BasisLibrary;
import com.sun.org.apache.xml.internal.dtm.DTMAxisIterator;
import com.sun.org.apache.xml.internal.dtm.ref.DTMAxisIteratorBase;
/**
* <p><code>MultiValuedNodeHeapIterator</code> takes a set of multi-valued
* heap nodes and produces a merged NodeSet in document order with duplicates
* removed.</p>
* <p>Each multi-valued heap node (which might be a
* {@link org.apache.xml.dtm.DTMAxisIterator}, but that's not necessary)
* generates DTM node handles in document order. The class
* maintains the multi-valued heap nodes in a heap, not surprisingly, sorted by
* the next DTM node handle available form the heap node.</p>
* <p>After a DTM node is pulled from the heap node that's at the top of the
* heap, the heap node is advanced to the next DTM node handle it makes
* available, and the heap nature of the heap is restored to ensure the next
* DTM node handle pulled is next in document order overall.
*
* @author Jacek Ambroziak
* @author Santiago Pericas-Geertsen
*/
public abstract class MultiValuedNodeHeapIterator extends DTMAxisIteratorBase {
/** wrapper for NodeIterators to support iterator
comparison on the value of their next() method
*/
/**
* An abstract representation of a set of nodes that will be retrieved in
* document order.
*/
public abstract class HeapNode implements Cloneable {
protected int _node, _markedNode;
protected boolean _isStartSet = false;
/**
* Advance to the next node represented by this {@link HeapNode}
*
* @return the next DTM node.
*/
public abstract int step();
/**
* Creates a deep copy of this {@link HeapNode}. The clone is not
* reset from the current position of the original.
*
* @return the cloned heap node
*/
public HeapNode cloneHeapNode() {
HeapNode clone;
try {
clone = (HeapNode) super.clone();
} catch (CloneNotSupportedException e) {
BasisLibrary.runTimeError(BasisLibrary.ITERATOR_CLONE_ERR,
e.toString());
return null;
}
clone._node = _node;
clone._markedNode = _node;
return clone;
}
/**
* Remembers the current node for the next call to {@link #gotoMark()}.
*/
public void setMark() {
_markedNode = _node;
}
/**
* Restores the current node remembered by {@link #setMark()}.
*/
public void gotoMark() {
_node = _markedNode;
}
/**
* Performs a comparison of the two heap nodes
*
* @param heapNode the heap node against which to compare
* @return <code>true</code> if and only if the current node for this
* heap node is before the current node of the argument heap
* node in document order.
*/
public abstract boolean isLessThan(HeapNode heapNode);
/**
* Sets context with respect to which this heap node is evaluated.
*
* @param node The new context node
* @return a {@link HeapNode} which may or may not be the same as
* this <code>HeapNode</code>.
*/
public abstract HeapNode setStartNode(int node);
/**
* Reset the heap node back to its beginning.
*
* @return a {@link HeapNode} which may or may not be the same as
* this <code>HeapNode</code>.
*/
public abstract HeapNode reset();
} // end of HeapNode
private static final int InitSize = 8;
private int _heapSize = 0;
private int _size = InitSize;
private HeapNode[] _heap = new HeapNode[InitSize];
private int _free = 0;
// Last node returned by this MultiValuedNodeHeapIterator to the caller of
// next; used to prune duplicates
private int _returnedLast;
// cached returned last for use in gotoMark
private int _cachedReturnedLast = END;
// cached heap size for use in gotoMark
private int _cachedHeapSize;
public DTMAxisIterator cloneIterator() {
_isRestartable = false;
final HeapNode[] heapCopy = new HeapNode[_heap.length];
try {
MultiValuedNodeHeapIterator clone =
(MultiValuedNodeHeapIterator)super.clone();
for (int i = 0; i < _free; i++) {
heapCopy[i] = _heap[i].cloneHeapNode();
}
clone.setRestartable(false);
clone._heap = heapCopy;
return clone.reset();
}
catch (CloneNotSupportedException e) {
BasisLibrary.runTimeError(BasisLibrary.ITERATOR_CLONE_ERR,
e.toString());
return null;
}
}
protected void addHeapNode(HeapNode node) {
if (_free == _size) {
HeapNode[] newArray = new HeapNode[_size *= 2];
System.arraycopy(_heap, 0, newArray, 0, _free);
_heap = newArray;
}
_heapSize++;
_heap[_free++] = node;
}
public int next() {
while (_heapSize > 0) {
final int smallest = _heap[0]._node;
if (smallest == END) { // iterator _heap[0] is done
if (_heapSize > 1) {
// Swap first and last (iterator must be restartable)
final HeapNode temp = _heap[0];
_heap[0] = _heap[--_heapSize];
_heap[_heapSize] = temp;
}
else {
return END;
}
}
else if (smallest == _returnedLast) { // duplicate
_heap[0].step(); // value consumed
}
else {
_heap[0].step(); // value consumed
heapify(0);
return returnNode(_returnedLast = smallest);
}
// fallthrough if not returned above
heapify(0);
}
return END;
}
public DTMAxisIterator setStartNode(int node) {
if (_isRestartable) {
_startNode = node;
for (int i = 0; i < _free; i++) {
if(!_heap[i]._isStartSet){
_heap[i].setStartNode(node);
_heap[i].step(); // to get the first node
_heap[i]._isStartSet = true;
}
}
// build heap
for (int i = (_heapSize = _free)/2; i >= 0; i--) {
heapify(i);
}
_returnedLast = END;
return resetPosition();
}
return this;
}
protected void init() {
for (int i =0; i < _free; i++) {
_heap[i] = null;
}
_heapSize = 0;
_free = 0;
}
/* Build a heap in document order. put the smallest node on the top.
* "smallest node" means the node before other nodes in document order
*/
private void heapify(int i) {
for (int r, l, smallest;;) {
r = (i + 1) << 1; l = r - 1;
smallest = l < _heapSize
&& _heap[l].isLessThan(_heap[i]) ? l : i;
if (r < _heapSize && _heap[r].isLessThan(_heap[smallest])) {
smallest = r;
}
if (smallest != i) {
final HeapNode temp = _heap[smallest];
_heap[smallest] = _heap[i];
_heap[i] = temp;
i = smallest;
} else {
break;
}
}
}
public void setMark() {
for (int i = 0; i < _free; i++) {
_heap[i].setMark();
}
_cachedReturnedLast = _returnedLast;
_cachedHeapSize = _heapSize;
}
public void gotoMark() {
for (int i = 0; i < _free; i++) {
_heap[i].gotoMark();
}
// rebuild heap after call last() function. fix for bug 20913
for (int i = (_heapSize = _cachedHeapSize)/2; i >= 0; i--) {
heapify(i);
}
_returnedLast = _cachedReturnedLast;
}
public DTMAxisIterator reset() {
for (int i = 0; i < _free; i++) {
_heap[i].reset();
_heap[i].step();
}
// build heap
for (int i = (_heapSize = _free)/2; i >= 0; i--) {
heapify(i);
}
_returnedLast = END;
return resetPosition();
}
}
⏎ com/sun/org/apache/xalan/internal/xsltc/dom/MultiValuedNodeHeapIterator.java
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