Package org.tweetyproject.preferences.io

Class UPParser

java.lang.Object

org.tweetyproject.preferences.io.UPParser

All Implemented Interfaces:

UPParserConstants

public class UPParser
extends Object
implements UPParserConstants

Update Parser for reading updates for dynamic Preference Aggregation Please note: update file syntax changed from (index, operation, amount, element) e.g. (1, WEAKEN, 2, a) to (index, operation(amount), element) e.g. (1, -2, a) where -(/+) is equal to WEAKEN(/STRENGTHEN) and 2 is the amount

Field Summary

Fields

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

Fields inherited from interface org.tweetyproject.preferences.io.UPParserConstants

DEFAULT, ELEMENT, EOF, EOL, INDEX, LBRA, OPERATION, RBRA, tokenImage

Constructor Summary

Constructors

Constructor	Description
UPParser()
UPParser(InputStream stream)	Constructor with InputStream.
UPParser(InputStream stream, String encoding)	Constructor with InputStream and supplied encoding
UPParser(Reader stream)	Constructor.
UPParser(UPParserTokenManager tm)	Constructor with generated Token Manager.

Method Summary

Modifier and Type	Method	Description
final void	disable_tracing()	Disable tracing.
final void	enable_tracing()	Enable tracing.
ParseException	generateParseException()	Generate ParseException.
final Token	getNextToken()	Get the next Token.
final Token	getToken(int index)	Get the specific Token.
final ArrayList<Update<String>>	getUpdate()
static void	main(String[] args)
static ArrayList<Update<String>>	parse(String updatefile)
void	ReInit(InputStream stream)	Reinitialise.
void	ReInit(InputStream stream, String encoding)	Reinitialise.
void	ReInit(Reader stream)	Reinitialise.
void	ReInit(UPParserTokenManager tm)	Reinitialise.

Methods inherited from class java.lang.Object

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

Field Details

token_source

public UPParserTokenManager token_source

Generated Token Manager.

token

public Token token

Current token.

jj_nt

public Token jj_nt

Next token.

Constructor Details

UPParser

public UPParser()

UPParser

public UPParser(InputStream stream)

Constructor with InputStream.

UPParser

public UPParser(InputStream stream,
 String encoding)

Constructor with InputStream and supplied encoding

UPParser

public UPParser(Reader stream)

Constructor.

UPParser

public UPParser(UPParserTokenManager tm)

Constructor with generated Token Manager.

Method Details

parse

public static ArrayList<Update<String>> parse(String updatefile)
                                       throws ParseException,
FileNotFoundException

Throws:

ParseException

FileNotFoundException

main

public static void main(String[] args)
                 throws ParseException

Throws:

ParseException

getUpdate

public final ArrayList<Update<String>> getUpdate()
                                          throws ParseException,
FileNotFoundException

Throws:

ParseException

FileNotFoundException

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(UPParserTokenManager 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.

enable_tracing

public final void enable_tracing()

Enable tracing.

disable_tracing

public final void disable_tracing()

Disable tracing.