1 /* 2 * reserved comment block 3 * DO NOT REMOVE OR ALTER! 4 */ 5 /* 6 * Copyright 2000-2002,2004 The Apache Software Foundation. 7 * 8 * Licensed under the Apache License, Version 2.0 (the "License"); 9 * you may not use this file except in compliance with the License. 10 * You may obtain a copy of the License at 11 * 12 * http://www.apache.org/licenses/LICENSE-2.0 13 * 14 * Unless required by applicable law or agreed to in writing, software 15 * distributed under the License is distributed on an "AS IS" BASIS, 16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 17 * See the License for the specific language governing permissions and 18 * limitations under the License. 19 */ 20 21 package com.sun.org.apache.xerces.internal.xni.grammars; 22 23 /** 24 * A generic grammar for use in validating XML documents. The Grammar 25 * object stores the validation information in a compiled form. Specific 26 * subclasses extend this class and "populate" the grammar by compiling 27 * the specific syntax (DTD, Schema, etc) into the data structures used 28 * by this object. 29 * <p> 30 * <strong>Note:</strong> The Grammar object is not useful as a generic 31 * grammar access or query object. In other words, you cannot round-trip 32 * specific grammar syntaxes with the compiled grammar information in 33 * the Grammar object. You <em>can</em> create equivalent validation 34 * rules in your choice of grammar syntax but there is no guarantee that 35 * the input and output will be the same. 36 * 37 * <p> Right now, this class is largely a shell; eventually, 38 * it will be enriched by having more expressive methods added. </p> 39 * will be moved from dtd.Grammar here. 40 * 41 * @author Jeffrey Rodriguez, IBM 42 * @author Eric Ye, IBM 43 * @author Andy Clark, IBM 44 * @author Neil Graham, IBM 45 * 46 */ 47 48 public interface Grammar { 49 50 /** 51 * get the <code>XMLGrammarDescription</code> associated with this 52 * object 53 */ 54 public XMLGrammarDescription getGrammarDescription (); 55 } // interface Grammar