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/*
* 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: NamespaceUriCall.java,v 1.2.4.1 2005/09/02 10:25:26 pvedula Exp $
*/
package com.sun.org.apache.xalan.internal.xsltc.compiler;
import java.util.Vector;
import com.sun.org.apache.bcel.internal.generic.ConstantPoolGen;
import com.sun.org.apache.bcel.internal.generic.INVOKEINTERFACE;
import com.sun.org.apache.bcel.internal.generic.InstructionList;
import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ClassGenerator;
import com.sun.org.apache.xalan.internal.xsltc.compiler.util.MethodGenerator;
/**
* @author Morten Jorgensen
*/
final class NamespaceUriCall extends NameBase {
/**
* Handles calls with no parameter (current node is implicit parameter).
*/
public NamespaceUriCall(QName fname) {
super(fname);
}
/**
* Handles calls with one parameter (either node or node-set).
*/
public NamespaceUriCall(QName fname, Vector arguments) {
super(fname, arguments);
}
/**
* Translate code that leaves a node's namespace URI (as a String)
* on the stack
*/
public void translate(ClassGenerator classGen,
MethodGenerator methodGen) {
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = methodGen.getInstructionList();
// Returns the string value for a node in the DOM
final int getNamespace = cpg.addInterfaceMethodref(DOM_INTF,
"getNamespaceName",
"(I)"+STRING_SIG);
super.translate(classGen, methodGen);
il.append(new INVOKEINTERFACE(getNamespace, 2));
}
}
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