xpath_rwapi/src2/org/apache/xpath/impl/parser/NodeFactory.java

/*
 * The Apache Software License, Version 1.1
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 * reserved.
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 * 1. Redistributions of source code must retain the above copyright
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 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
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 *    if and wherever such third-party acknowledgments normally appear.
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 * ====================================================================
 *
 * 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) 2002, International
 * Business Machines Corporation., http://www.ibm.com.  For more
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package org.apache.xpath.impl.parser;

import org.apache.xpath.impl.FunctionCallImpl;
import org.apache.xpath.impl.KindTestImpl;
import org.apache.xpath.impl.LiteralImpl;
import org.apache.xpath.impl.NameTestImpl;
import org.apache.xpath.impl.OperatorImpl;
import org.apache.xpath.impl.PathExprImpl;
import org.apache.xpath.impl.SequenceTypeImpl;
import org.apache.xpath.impl.StepExprImpl;
import org.apache.xpath.impl.VariableImpl;


/**
 * Applications which want to generate their own AST need to implement this
 * interface.
 * <p></p>
 *
 * @see org.apache.xpath.impl.parser.XPathTreeConstants
 */
public interface NodeFactory
{
	final static public String FACTORY_PROPERTY_KEY = "org.apache.xpath.impl.parser.NodeFactory";


	
    /**
     * Creates NameTest AST node
     *
     * @return a new AST node or null.
     */
    NameTestImpl createNameTestNode(int id);

    /**
     * Creates KindTest AST node for the given tree node ID.
     *
     * @param id KindTest id of the node to create
     *
     * @return a new AST node or null.
     */
    KindTestImpl createKindTestNode(int id);

    /**
     * Creates Step AST node
     *
     * @return a new AST node or null.
     */
    StepExprImpl createStepNode(int id);

    /**
     * Creates Operator AST node for the given tree node ID.
     *
     * @param id Operator id of the node to create
     *
     * @return a new AST node or null.
     */
    OperatorImpl createOperatorNode(int id);

    /**
     * Creates Literal AST node for the given tree node ID.
     *
     * @param id Literal id of the node to create
     *
     * @return a new AST node or null.
     */
    LiteralImpl createLiteralNode(int id);

    /**
     * Creates Path AST node
     *
     * @return a new Path AST node or null.
     */
    PathExprImpl createPathNode(int id);

    /**
     * Creates FunctionCall AST node
     *
     * @return a new FunctionCall AST node or null.
     */
    FunctionCallImpl createFunctionCallNode(int id);

    /**
     * Creates VarName AST node
     *
     * @return a new VarName AST node or null.
     */
    VariableImpl createVarNameNode(int id);

    /**
     * Creates SequenceType AST node
     *
     * @return a new SequenceType AST node or null.
     */
    SequenceTypeImpl createSequenceTypeNode(int id);

    /**
     * Creates Cast As AST node
     *
     * @return a new Cast As AST node or null.
     */
    SequenceTypeImpl createCastAsNode(int id);

    /**
     * Creates Treat As AST node
     *
     * @return a new Treat As AST node or null.
     */
    SequenceTypeImpl createTreatAsNode(int id);

    /**
     * Creates a generic AST node for the given tree node ID.
     *
     * @param id id of the node to create
     *
     * @return a new AST node or null.
     */
    Node createNode(int id);
}