jpel.bridge
Class NodeReaderJpel

java.lang.Object
  |
  +--jpel.bridge.NodeReaderJpel

All Implemented Interfaces:

ExpressionParser, GenericTool, NodeReader, NodeReaderJpelConstants

public class NodeReaderJpel

extends java.lang.Object

implements NodeReader, ExpressionParser, NodeReaderJpelConstants

Implementação do parser utilizando JavaCC.

Field Summary

jpel.bridge.Token	jj_nt
boolean	lookingAhead
jpel.bridge.Token	token
jpel.bridge.NodeReaderJpelTokenManager	token_source

Fields inherited from interface jpel.bridge.NodeReaderJpelConstants

AS, CASE, CHARACTER, COMMA, DECIMAL_LITERAL, DEFAULT, DESCRIPTION, DIGIT, ELSE, EOF, EQUALS, EXPONENT, FALSE, FDESCRIPTION, FLOATING_POINT_LITERAL, HEX_LITERAL, ID, IF, INCLUDE, JAVA_CHAR, LBRACE, LBRACKET, LETTER, LPAREN, MODULE, NATIVE, NUMBER, OCTAL_LITERAL, OTHER, OTHERWISE, RBRACE, RBRACKET, RPAREN, SEMICOLON, STRING, TEXT, THEN, tokenImage, TRUE

Constructor Summary

NodeReaderJpel()

NodeReaderJpel(java.io.InputStream stream)

NodeReaderJpel(jpel.bridge.NodeReaderJpelTokenManager tm)

NodeReaderJpel(java.io.Reader stream)

Method Summary

void	disable_tracing()
void	enable_tracing()
jpel.bridge.ParseException	generateParseException()
void	getDeclaration(jpel.tree.Node base)
java.lang.String	getDescription() Retorna a descrição da ferramenta.
jpel.language.Expression	getExpression()
jpel.language.Expression	getExpression(java.io.InputStream dataExpression) Retorna a expressão contida em um InputStream.
jpel.language.Expression	getExpression(java.io.Reader dataExpression) Retorna a expressão contida em um Reader.
jpel.language.Expression	getExpression(java.lang.String dataExpression) Retorna a expressão contida em uma String.
jpel.bridge.Token	getNextToken()
jpel.tree.Node	getNode(jpel.language.Include include)
jpel.bridge.Token	getToken(int index)
java.lang.String[]	getTypes() Retorna os tipos dos objetos que podem ser tratados por tal ferramenta.
static void	main(java.lang.String[] args)
jpel.language.Expression	PBinaryExpression()
jpel.language.Expression	PExpression()
jpel.language.ExpressionBoolean	PExpressionBoolean()
jpel.language.ExpressionCharacter	PExpressionCharacter()
jpel.language.ExpressionId	PExpressionId()
jpel.language.ExpressionList	PExpressionList()
jpel.language.ExpressionNumber	PExpressionNumber()
jpel.language.ExpressionString	PExpressionString()
jpel.language.Declaration	PFunction()
jpel.language.Expression	PIfThenElse()
jpel.language.Include	PInclude()
jpel.language.Declaration	PModule(jpel.tree.Node base)
jpel.language.Declaration	PNative()
jpel.language.Expression	PSwitch()
jpel.language.Expression	PUnaryExpression()
jpel.tree.Node	read(jpel.util.dataholder.DataHolder holder) Lê os dados de um nó de uma fonte de dados.
void	ReInit(java.io.InputStream stream)
void	ReInit(jpel.bridge.NodeReaderJpelTokenManager tm)
void	ReInit(java.io.Reader stream)

Methods inherited from class java.lang.Object

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

Field Detail

token_source

public jpel.bridge.NodeReaderJpelTokenManager token_source

token

public jpel.bridge.Token token

jj_nt

public jpel.bridge.Token jj_nt

lookingAhead

public boolean lookingAhead

Constructor Detail

NodeReaderJpel

public NodeReaderJpel()
               throws java.lang.ClassNotFoundException,
                      java.lang.IllegalAccessException,
                      java.lang.InstantiationException

NodeReaderJpel

public NodeReaderJpel(java.io.InputStream stream)

NodeReaderJpel

public NodeReaderJpel(java.io.Reader stream)

NodeReaderJpel

public NodeReaderJpel(jpel.bridge.NodeReaderJpelTokenManager tm)

Method Detail

getTypes

public java.lang.String[] getTypes()

Description copied from interface: GenericTool

Retorna os tipos dos objetos que podem ser tratados por tal ferramenta.

Specified by:

getTypes in interface GenericTool

Returns:

Um array com todos os tipos suportados pela ferramenta.

getDescription

public java.lang.String getDescription()

Description copied from interface: GenericTool

Retorna a descrição da ferramenta.

Specified by:

getDescription in interface GenericTool

Returns:

Uma descrição da ferramenta.

read

public jpel.tree.Node read(jpel.util.dataholder.DataHolder holder)
                    throws NodeException,
                           DataHolderException

Description copied from interface: NodeReader

Lê os dados de um nó de uma fonte de dados.

Specified by:

read in interface NodeReader

Parameters:

holder - Fonte de dados.

Returns:

O nó que corresponde a fonte de dados.

Throws:

NodeException - Quando há problemas com o nó lido.

DataHolderException - Quando há problemas na leitura dos dados.

getExpression

public jpel.language.Expression getExpression(java.lang.String dataExpression)
                                       throws ExpressionParserException

Description copied from interface: ExpressionParser

Retorna a expressão contida em uma String.

Specified by:

getExpression in interface ExpressionParser

Parameters:

dataExpression - A String que contem a expressão.

Returns:

A expressao correspondente à String.

Throws:

ExpressionParserException - Quando há erros na conversão dos dados em uma expressão.

getExpression

public jpel.language.Expression getExpression(java.io.InputStream dataExpression)
                                       throws ExpressionParserException

Description copied from interface: ExpressionParser

Retorna a expressão contida em um InputStream.

Specified by:

getExpression in interface ExpressionParser

Parameters:

dataExpression - O InputStream que contem a expressão.

Returns:

A expressao correspondente ao InputStream.

Throws:

ExpressionParserException - Quando há erros na conversão dos dados em uma expressão.

getExpression

public jpel.language.Expression getExpression(java.io.Reader dataExpression)
                                       throws ExpressionParserException

Description copied from interface: ExpressionParser

Retorna a expressão contida em um Reader.

Specified by:

getExpression in interface ExpressionParser

Parameters:

dataExpression - O Reader que contem a expressão.

Returns:

A expressao correspondente ao Reader.

Throws:

ExpressionParserException - Quando há erros na conversão dos dados em uma expressão.

main

public static void main(java.lang.String[] args)

getNode

public final jpel.tree.Node getNode(jpel.language.Include include)
                             throws ParseException,
                                    NodeException,
                                    DataHolderFactoryException

ParseException

NodeException

DataHolderFactoryException

getDeclaration

public final void getDeclaration(jpel.tree.Node base)
                          throws ParseException,
                                 NodeException,
                                 DataHolderFactoryException

ParseException

NodeException

DataHolderFactoryException

PFunction

public final jpel.language.Declaration PFunction()
                                          throws ParseException,
                                                 NodeException

ParseException

NodeException

PNative

public final jpel.language.Declaration PNative()
                                        throws ParseException,
                                               NodeException

ParseException

NodeException

PModule

public final jpel.language.Declaration PModule(jpel.tree.Node base)
                                        throws ParseException,
                                               NodeException,
                                               DataHolderFactoryException

ParseException

NodeException

DataHolderFactoryException

PInclude

public final jpel.language.Include PInclude()
                                     throws ParseException,
                                            NodeException,
                                            DataHolderFactoryException

ParseException

NodeException

DataHolderFactoryException

getExpression

public final jpel.language.Expression getExpression()
                                             throws ParseException

ParseException

PExpression

public final jpel.language.Expression PExpression()
                                           throws ParseException

ParseException

PIfThenElse

public final jpel.language.Expression PIfThenElse()
                                           throws ParseException

ParseException

PSwitch

public final jpel.language.Expression PSwitch()
                                       throws ParseException

ParseException

PBinaryExpression

public final jpel.language.Expression PBinaryExpression()
                                                 throws ParseException

ParseException

PUnaryExpression

public final jpel.language.Expression PUnaryExpression()
                                                throws ParseException

ParseException

PExpressionId

public final jpel.language.ExpressionId PExpressionId()
                                               throws ParseException

ParseException

PExpressionBoolean

public final jpel.language.ExpressionBoolean PExpressionBoolean()
                                                         throws ParseException

ParseException

PExpressionCharacter

public final jpel.language.ExpressionCharacter PExpressionCharacter()
                                                             throws ParseException

ParseException

PExpressionNumber

public final jpel.language.ExpressionNumber PExpressionNumber()
                                                       throws ParseException

ParseException

PExpressionString

public final jpel.language.ExpressionString PExpressionString()
                                                       throws ParseException

ParseException

PExpressionList

public final jpel.language.ExpressionList PExpressionList()
                                                   throws ParseException

ParseException

ReInit

public void ReInit(java.io.InputStream stream)

ReInit

public void ReInit(java.io.Reader stream)

ReInit

public void ReInit(jpel.bridge.NodeReaderJpelTokenManager tm)

getNextToken

public final jpel.bridge.Token getNextToken()

getToken

public final jpel.bridge.Token getToken(int index)

generateParseException

public final jpel.bridge.ParseException generateParseException()

enable_tracing

public final void enable_tracing()

disable_tracing

public final void disable_tracing()