/*

 * reserved comment block

 * DO NOT REMOVE OR ALTER!

 */

/*

 * 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.

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package com.sun.org.apache.xalan.internal.xsltc.compiler;

import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ClassGenerator;

import com.sun.org.apache.xalan.internal.xsltc.compiler.util.MethodGenerator;

import com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type;

import com.sun.org.apache.xalan.internal.xsltc.compiler.util.TypeCheckError;

/**

 * @author Jacek Ambroziak

 * @author Santiago Pericas-Geertsen

 */

final class NamespaceAlias extends TopLevelElement {

    private String sPrefix;

    private String rPrefix;

    /*

     * The namespace alias definitions given here have an impact only on

     * literal elements and literal attributes.

     */

    public void parseContents(Parser parser) {

        sPrefix = getAttribute("stylesheet-prefix");

        rPrefix = getAttribute("result-prefix");

        parser.getSymbolTable().addPrefixAlias(sPrefix,rPrefix);

    }

    public Type typeCheck(SymbolTable stable) throws TypeCheckError {

        return Type.Void;

    }

    public void translate(ClassGenerator classGen, MethodGenerator methodGen) {

        // do nada

    }

}