net.sf.dropboxmq.messageselector
Class Parser

java.lang.Object
  net.sf.dropboxmq.messageselector.Parser

All Implemented Interfaces:

ParserConstants

public class Parser
extends Object
implements ParserConstants

Created: 06 Oct 2007

Version:

$Revision: 187 $, $Date: 2009-01-13 21:06:54 -0700 (Tue, 13 Jan 2009) $

Author:

Dwayne Schultz

Nested Class Summary

(package private) static class

Parser.JJCalls

Field Summary

(package private) SimpleCharStream	jj_input_stream
Token	jj_nt Next token.
Token	token Current token.
ParserTokenManager	token_source Generated Token Manager.

Fields inherited from interface net.sf.dropboxmq.messageselector.ParserConstants

AND, BETWEEN, BLOCK_COMMENT, DASH_COMMENT, DECIMAL, DEFAULT, DIGIT, EOF, ESCAPE, EXPONENT, FALSE, FLOAT_SUFFIX, FLOATING_POINT, HEX, IDENTIFIER, IN, INTEGER, IS, LETTER, LIKE, LINE_COMMENT, NEWLINE, NOT, NULL, OCTAL, OR, RETURN, SIGN, SPACE, STRING, TAB, tokenImage, TRUE

Constructor Summary

Parser(InputStream stream)
Constructor with InputStream.

Parser(InputStream stream, String encoding)
Constructor with InputStream and supplied encoding

Parser(ParserTokenManager tm)
Constructor with generated Token Manager.

Parser(Reader stream)
Constructor.

Method Summary

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.
Expression	parse()
static Expression	parse(String messageSelector)
Expression	parseAddition()
Expression	parseAnd()
Expression	parseConditional()
ConstantExpression	parseConstant()
Expression	parseExpression()
Expression	parseMultiplication()
Expression	parseOr()
String	parseString()
Expression	parseUnary()
void	ReInit(InputStream stream) Reinitialise.
void	ReInit(InputStream stream, String encoding) Reinitialise.
void	ReInit(ParserTokenManager tm) Reinitialise.
void	ReInit(Reader stream) Reinitialise.

Methods inherited from class java.lang.Object

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

Field Detail

token_source

public ParserTokenManager token_source

Generated Token Manager.

jj_input_stream

SimpleCharStream jj_input_stream

token

public Token token

Current token.

jj_nt

public Token jj_nt

Next token.

Constructor Detail

Parser

public Parser(InputStream stream)

Constructor with InputStream.

Parser

public Parser(InputStream stream,
              String encoding)

Constructor with InputStream and supplied encoding

Parser

public Parser(Reader stream)

Constructor.

Parser

public Parser(ParserTokenManager tm)

Constructor with generated Token Manager.

Method Detail

parse

public static Expression parse(String messageSelector)
                        throws InvalidSelectorException

Throws:

InvalidSelectorException

parse

public final Expression parse()
                       throws ParseException

Throws:

ParseException

parseOr

public final Expression parseOr()
                         throws ParseException

Throws:

ParseException

parseAnd

public final Expression parseAnd()
                          throws ParseException

Throws:

ParseException

parseConditional

public final Expression parseConditional()
                                  throws ParseException

Throws:

ParseException

parseAddition

public final Expression parseAddition()
                               throws ParseException

Throws:

ParseException

parseMultiplication

public final Expression parseMultiplication()
                                     throws ParseException

Throws:

ParseException

parseUnary

public final Expression parseUnary()
                            throws ParseException

Throws:

ParseException

parseExpression

public final Expression parseExpression()
                                 throws ParseException

Throws:

ParseException

parseConstant

public final ConstantExpression parseConstant()
                                       throws ParseException

Throws:

ParseException

parseString

public final String parseString()
                         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(ParserTokenManager 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.