Token.cs
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上传日期:2013-09-30
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- /*
- * Copyright 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
- *
- * 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.
- */
- /* Generated By:JavaCC: Do not edit this line. Token.java Version 3.0 */
- using System;
- namespace Lucene.Net.QueryParsers
- {
-
- /// <summary> Describes the input token stream.</summary>
-
- public class Token
- {
-
- /// <summary> An integer that describes the kind of this token. This numbering
- /// system is determined by JavaCCParser, and a table of these numbers is
- /// stored in the file ...Constants.java.
- /// </summary>
- public int kind;
-
- /// <summary> beginLine and beginColumn describe the position of the first character
- /// of this token; endLine and endColumn describe the position of the
- /// last character of this token.
- /// </summary>
- public int beginLine, beginColumn, endLine, endColumn;
-
- /// <summary> The string image of the token.</summary>
- public System.String image;
-
- /// <summary> A reference to the next regular (non-special) token from the input
- /// stream. If this is the last token from the input stream, or if the
- /// token manager has not read tokens beyond this one, this field is
- /// set to null. This is true only if this token is also a regular
- /// token. Otherwise, see below for a description of the contents of
- /// this field.
- /// </summary>
- public Token next;
-
- /// <summary> This field is used to access special tokens that occur prior to this
- /// token, but after the immediately preceding regular (non-special) token.
- /// If there are no such special tokens, this field is set to null.
- /// When there are more than one such special token, this field refers
- /// to the last of these special tokens, which in turn refers to the next
- /// previous special token through its specialToken field, and so on
- /// until the first special token (whose specialToken field is null).
- /// The next fields of special tokens refer to other special tokens that
- /// immediately follow it (without an intervening regular token). If there
- /// is no such token, this field is null.
- /// </summary>
- public Token specialToken;
-
- /// <summary> Returns the image.</summary>
- public override System.String ToString()
- {
- return image;
- }
-
- /// <summary> Returns a new Token object, by default. However, if you want, you
- /// can create and return subclass objects based on the value of ofKind.
- /// Simply add the cases to the switch for all those special cases.
- /// For example, if you have a subclass of Token called IDToken that
- /// you want to create if ofKind is ID, simlpy add something like :
- ///
- /// case MyParserConstants.ID : return new IDToken();
- ///
- /// to the following switch statement. Then you can cast matchedToken
- /// variable to the appropriate type and use it in your lexical actions.
- /// </summary>
- public static Token NewToken(int ofKind)
- {
- switch (ofKind)
- {
-
- default: return new Token();
-
- }
- }
- }
- }