ilene 2002/10/07 08:30:30 Added: java/src/org/apache/xpath/compiler OpMapVector.java Log: Patch for bugzilla #5046. Revision Changes Path 1.1 xml-xalan/java/src/org/apache/xpath/compiler/OpMapVector.java Index: OpMapVector.java =================================================================== /* * The Apache Software License, Version 1.1 * * * Copyright (c) 2002 The Apache Software Foundation. All rights * reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. The end-user documentation included with the redistribution, * if any, must include the following acknowledgment: * "This product includes software developed by the * Apache Software Foundation (http://www.apache.org/)." * Alternately, this acknowledgment may appear in the software itself, * if and wherever such third-party acknowledgments normally appear. * * 4. The names "Xalan" and "Apache Software Foundation" must * not be used to endorse or promote products derived from this * software without prior written permission. For written * permission, please contact [EMAIL PROTECTED] * * 5. Products derived from this software may not be called "Apache", * nor may "Apache" appear in their name, without prior written * permission of the Apache Software Foundation. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * ==================================================================== * * This software consists of voluntary contributions made by many * individuals on behalf of the Apache Software Foundation and was * originally based on software copyright (c) 1999, Lotus * Development Corporation., http://www.lotus.com. For more * information on the Apache Software Foundation, please see * <http://www.apache.org/>. */ package org.apache.xpath.compiler; /** * <meta name="usage" content="internal"/> * * Like IntVector, but used only for the OpMap array. Length of array * is kept in the m_lengthPos position of the array. Only the required methods * are in included here. */ public class OpMapVector { /** Size of blocks to allocate */ protected int m_blocksize; /** Array of ints */ protected int m_map[]; // IntStack is trying to see this directly /** Position where size of array is kept */ protected int m_lengthPos = 0; /** Size of array */ protected int m_mapSize; /** * Construct a OpMapVector, using the given block size. * * @param blocksize Size of block to allocate */ public OpMapVector(int blocksize, int increaseSize, int lengthPos) { m_blocksize = increaseSize; m_mapSize = blocksize; m_lengthPos = lengthPos; m_map = new int[blocksize]; } /** * Get the nth element. * * @param i index of object to get * * @return object at given index */ public final int elementAt(int i) { return m_map[i]; } /** * Sets the component at the specified index of this vector to be the * specified object. The previous component at that position is discarded. * * The index must be a value greater than or equal to 0 and less * than the current size of the vector. * * @param node object to set * @param index Index of where to set the object */ public final void setElementAt(int value, int index) { if (index >= m_mapSize) { m_mapSize += m_blocksize; int newMap[] = new int[m_mapSize]; System.arraycopy(m_map, 0, newMap, 0, m_map[m_lengthPos]); m_map = newMap; } m_map[index] = value; } /* * Reset the array to the supplied size. No checking is done. * * @param size The size to trim to. */ public final void setToSize(int size) { int newMap[] = new int[size]; System.arraycopy(m_map, 0, newMap, 0, m_map[m_lengthPos]); m_mapSize = size; m_map = newMap; } }
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