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/*
* Copyright 2000-2002,2004 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
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* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
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package com.sun.org.apache.xerces.internal.xni.grammars;
/**
* A generic grammar for use in validating XML documents. The Grammar
* object stores the validation information in a compiled form. Specific
* subclasses extend this class and "populate" the grammar by compiling
* the specific syntax (DTD, Schema, etc) into the data structures used
* by this object.
* <p>
* <strong>Note:</strong> The Grammar object is not useful as a generic
* grammar access or query object. In other words, you cannot round-trip
* specific grammar syntaxes with the compiled grammar information in
* the Grammar object. You <em>can</em> create equivalent validation
* rules in your choice of grammar syntax but there is no guarantee that
* the input and output will be the same.
*
* <p> Right now, this class is largely a shell; eventually,
* it will be enriched by having more expressive methods added. </p>
* will be moved from dtd.Grammar here.
*
* @author Jeffrey Rodriguez, IBM
* @author Eric Ye, IBM
* @author Andy Clark, IBM
* @author Neil Graham, IBM
*
* @version $Id: Grammar.java,v 1.2.6.1 2005/09/06 08:56:54 neerajbj Exp $
*/
public interface Grammar {
/**
* get the <code>XMLGrammarDescription</code> associated with this
* object
*/
public XMLGrammarDescription getGrammarDescription ();
} // interface Grammar