org.apache.lucene.analysis.standard
Interface StandardTokenizerInterface

All Known Implementing Classes:

StandardTokenizerImpl, StandardTokenizerImpl31, StandardTokenizerImpl34, UAX29URLEmailTokenizerImpl, UAX29URLEmailTokenizerImpl31, UAX29URLEmailTokenizerImpl34, UAX29URLEmailTokenizerImpl36

public interface StandardTokenizerInterface

Internal interface for supporting versioned grammars.

NOTE: This API is for internal purposes only and might change in incompatible ways in the next release.

Field Summary

static int

YYEOF This character denotes the end of file

Method Summary

int	getNextToken() Resumes scanning until the next regular expression is matched, the end of input is encountered or an I/O-Error occurs.
void	getText(CharTermAttribute t) Copies the matched text into the CharTermAttribute
int	yychar() Returns the current position.
int	yylength() Returns the length of the matched text region.
void	yyreset(Reader reader) Resets the scanner to read from a new input stream.

Field Detail

YYEOF

static final int YYEOF

This character denotes the end of file

See Also:

Constant Field Values

Method Detail

getText

void getText(CharTermAttribute t)

Copies the matched text into the CharTermAttribute

yychar

int yychar()

Returns the current position.

yyreset

void yyreset(Reader reader)

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 cannot be reused (internal buffer is discarded and lost). Lexical state is set to ZZ_INITIAL.

Parameters:

reader - the new input stream

yylength

int yylength()

Returns the length of the matched text region.

getNextToken

int getNextToken()
                 throws IOException

Resumes scanning until the next regular expression is matched, the end of input is encountered or an I/O-Error occurs.

Returns:

the next token, YYEOF on end of stream

Throws:

IOException - if any I/O-Error occurs