| /* |
| * @(#)$Id$ |
| * |
| * The Apache Software License, Version 1.1 |
| * |
| * |
| * Copyright (c) 2001 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) 2001, Sun |
| * Microsystems., http://www.sun.com. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| * |
| * @author Jacek Ambroziak |
| * @author Santiago Pericas-Geertsen |
| * |
| */ |
| |
| package org.apache.xalan.xsltc.compiler.util; |
| |
| import org.apache.bcel.generic.*; |
| import org.apache.xalan.xsltc.compiler.Stylesheet; |
| |
| /** |
| * This class implements auxiliary classes needed to compile |
| * patterns in <tt>xsl:number</tt>. These classes inherit from |
| * {Any,Single,Multiple}NodeCounter and override the |
| * <tt>matchFrom</tt> and <tt>matchCount</tt> methods. |
| */ |
| public final class NodeCounterGenerator extends ClassGenerator { |
| private Instruction _aloadTranslet; |
| |
| public NodeCounterGenerator(String className, |
| String superClassName, |
| String fileName, |
| int accessFlags, |
| String[] interfaces, |
| Stylesheet stylesheet) { |
| super(className, superClassName, fileName, |
| accessFlags, interfaces, stylesheet); |
| } |
| |
| /** |
| * Set the index of the register where "this" (the pointer to |
| * the translet) is stored. |
| */ |
| public void setTransletIndex(int index) { |
| _aloadTranslet = new ALOAD(index); |
| } |
| |
| /** |
| * The index of the translet pointer within the execution of |
| * matchFrom or matchCount. |
| * Overridden from ClassGenerator. |
| */ |
| public Instruction loadTranslet() { |
| return _aloadTranslet; |
| } |
| |
| /** |
| * Returns <tt>true</tt> since this class is external to the |
| * translet. |
| */ |
| public boolean isExternal() { |
| return true; |
| } |
| } |