Package it.unimi.dsi.law.warc.filters.parser

Class FilterParser<T>

java.lang.Object

it.unimi.dsi.law.warc.filters.parser.FilterParser<T>

All Implemented Interfaces:

FilterParserConstants

public class FilterParser<T>
extends Object
implements FilterParserConstants

A simple parser that transforms a filter expression into a filter.

Field Summary

Fields

Modifier and Type	Field	Description
Token	jj_nt	Next token.
Token	token	Current token.
FilterParserTokenManager	token_source	Generated Token Manager.

Fields inherited from interface it.unimi.dsi.law.warc.filters.parser.FilterParserConstants

AND, ARGS, CLOSEPAREN, DEFAULT, EOF, FALSE, NOT, OPENPAREN, OR, tokenImage, TRUE, WORD

Constructor Summary

Constructors

Constructor	Description
FilterParser(FilterParserTokenManager tm)	Constructor with generated Token Manager.
FilterParser(InputStream stream)	Constructor with InputStream.
FilterParser(InputStream stream, String encoding)	Constructor with InputStream and supplied encoding
FilterParser(Reader stream)	Constructor.
FilterParser(Class<T> tClass)

Method Summary

Modifier and Type	Method	Description
Filter<T>	and()
Filter<T>	atom()
void	disable_tracing()	Disable tracing.
void	enable_tracing()	Enable tracing.
ParseException	generateParseException()	Generate ParseException.
Token	getNextToken()	Get the next Token.
Token	getToken(int index)	Get the specific Token.
Filter<T>	ground()
Filter<T>	or()
Filter<T>	parse(String filter)
void	ReInit(FilterParserTokenManager tm)	Reinitialise.
void	ReInit(InputStream stream)	Reinitialise.
void	ReInit(InputStream stream, String encoding)	Reinitialise.
void	ReInit(Reader stream)	Reinitialise.
Filter<T>	start()	Parser.
boolean	trace_enabled()	Trace enabled.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

token_source

public FilterParserTokenManager token_source

Generated Token Manager.

token

public Token token

Current token.

jj_nt

public Token jj_nt

Next token.

Constructor Details

FilterParser

public FilterParser(Class<T> tClass)

FilterParser

public FilterParser(InputStream stream)

Constructor with InputStream.

FilterParser

public FilterParser(InputStream stream,
String encoding)

Constructor with InputStream and supplied encoding

FilterParser

public FilterParser(Reader stream)

Constructor.

FilterParser

public FilterParser(FilterParserTokenManager tm)

Constructor with generated Token Manager.

Method Details

parse

public Filter<T> parse(String filter)
                throws ParseException

Throws:

ParseException

start

public final Filter<T> start()
                      throws ParseException

Parser.

Throws:

ParseException

or

public final Filter<T> or()
                   throws ParseException

Throws:

ParseException

and

public final Filter<T> and()
                    throws ParseException

Throws:

ParseException

atom

public final Filter<T> atom()
                     throws ParseException

Throws:

ParseException

ground

public final Filter<T> ground()
                       throws ParseException

Throws:

ParseException

ReInit

public void ReInit(InputStream stream)

Reinitialise.

ReInit

public void ReInit(InputStream stream,
String encoding)

Reinitialise.

ReInit

public void ReInit(Reader stream)

Reinitialise.

ReInit

public void ReInit(FilterParserTokenManager tm)

Reinitialise.

getNextToken

public final Token getNextToken()

Get the next Token.

getToken

public final Token getToken(int index)

Get the specific Token.

generateParseException

public ParseException generateParseException()

Generate ParseException.

trace_enabled

public final boolean trace_enabled()

Trace enabled.

enable_tracing

public final void enable_tracing()

Enable tracing.

disable_tracing

public final void disable_tracing()

Disable tracing.