package org.apache.lucene.analysis.standard;
/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.
*/
import org.apache.lucene.analysis.tokenattributes.CharTermAttribute;
import java.io.Reader;
import java.io.IOException;
interface StandardTokenizerInterface {
/** This character denotes the end of file */
public static final int YYEOF = -1;
/**
* Copies the matched text into the CharTermAttribute
*/
void getText(CharTermAttribute t);
/**
* Returns the current position.
*/
int yychar();
/**
* Resets the scanner to read from a new input stream.
* Does not close the old reader.
*
* All internal variables are reset, the old input stream
* <b>cannot</b> be reused (internal buffer is discarded and lost).
* Lexical state is set to <tt>ZZ_INITIAL</tt>.
*
* @param reader the new input stream
*/
void yyreset(Reader reader);
/**
* Returns the length of the matched text region.
*/
int yylength();
/**
* Resumes scanning until the next regular expression is matched,
* the end of input is encountered or an I/O-Error occurs.
*
* @return the next token, {@link #YYEOF} on end of stream
* @exception IOException if any I/O-Error occurs
*/
int getNextToken() throws IOException;
}