1
package org.apache.lucene.analysis.standard;
4
* Licensed to the Apache Software Foundation (ASF) under one or more
5
* contributor license agreements. See the NOTICE file distributed with
6
* this work for additional information regarding copyright ownership.
7
* The ASF licenses this file to You under the Apache License, Version 2.0
8
* (the "License"); you may not use this file except in compliance with
9
* the License. You may obtain a copy of the License at
11
* http://www.apache.org/licenses/LICENSE-2.0
13
* Unless required by applicable law or agreed to in writing, software
14
* distributed under the License is distributed on an "AS IS" BASIS,
15
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16
* See the License for the specific language governing permissions and
17
* limitations under the License.
20
import org.apache.lucene.analysis.tokenattributes.CharTermAttribute;
22
import java.io.Reader;
23
import java.io.IOException;
25
/** @lucene.internal */
26
public interface StandardTokenizerInterface {
28
/** This character denotes the end of file */
29
public static final int YYEOF = -1;
32
* Copies the matched text into the CharTermAttribute
34
public void getText(CharTermAttribute t);
37
* Returns the current position.
42
* Resets the scanner to read from a new input stream.
43
* Does not close the old reader.
45
* All internal variables are reset, the old input stream
46
* <b>cannot</b> be reused (internal buffer is discarded and lost).
47
* Lexical state is set to <tt>ZZ_INITIAL</tt>.
49
* @param reader the new input stream
51
public void yyreset(Reader reader);
54
* Returns the length of the matched text region.
56
public int yylength();
59
* Resumes scanning until the next regular expression is matched,
60
* the end of input is encountered or an I/O-Error occurs.
62
* @return the next token, {@link #YYEOF} on end of stream
63
* @exception IOException if any I/O-Error occurs
65
public int getNextToken() throws IOException;