org.apache.xalan.xsltc.compiler.LocalNameCall Maven / Gradle / Ivy
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Serializer to write out XML, HTML etc. as a stream of characters from an input DOM or from input
SAX events.
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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: LocalNameCall.java 468650 2006-10-28 07:03:30Z minchau $
*/
package org.apache.xalan.xsltc.compiler;
import java.util.Vector;
import org.apache.bcel.generic.ConstantPoolGen;
import org.apache.bcel.generic.INVOKEINTERFACE;
import org.apache.bcel.generic.INVOKESTATIC;
import org.apache.bcel.generic.InstructionList;
import org.apache.xalan.xsltc.compiler.util.ClassGenerator;
import org.apache.xalan.xsltc.compiler.util.MethodGenerator;
/**
* @author Morten Jorgensen
*/
final class LocalNameCall extends NameBase {
/**
* Handles calls with no parameter (current node is implicit parameter).
*/
public LocalNameCall(QName fname) {
super(fname);
}
/**
* Handles calls with one parameter (either node or node-set).
*/
public LocalNameCall(QName fname, Vector arguments) {
super(fname, arguments);
}
/**
* This method is called when the constructor is compiled in
* Stylesheet.compileConstructor() and not as the syntax tree is traversed.
*/
public void translate(ClassGenerator classGen,
MethodGenerator methodGen) {
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = methodGen.getInstructionList();
// Returns the name of a node in the DOM
final int getNodeName = cpg.addInterfaceMethodref(DOM_INTF,
"getNodeName",
"(I)"+STRING_SIG);
final int getLocalName = cpg.addMethodref(BASIS_LIBRARY_CLASS,
"getLocalName",
"(Ljava/lang/String;)"+
"Ljava/lang/String;");
super.translate(classGen, methodGen);
il.append(new INVOKEINTERFACE(getNodeName, 2));
il.append(new INVOKESTATIC(getLocalName));
}
}