- /*
- * 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 apache@apache.org.
- *
- * 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;
-
- }
-
- }