/*
* reserved comment block
* DO NOT REMOVE OR ALTER!
*/
/*
* Copyright 2001-2004 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: NodeCounterGenerator.java,v 1.2.4.1 2005/09/05 11:20:48 pvedula Exp $
*/
package com.sun.org.apache.xalan.internal.xsltc.compiler.util;
import com.sun.org.apache.bcel.internal.generic.ALOAD;
import com.sun.org.apache.bcel.internal.generic.Instruction;
import com.sun.org.apache.xalan.internal.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.
* @author Jacek Ambroziak
* @author Santiago Pericas-Geertsen
*/
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;
}
}