com.massa.dsl.lexer

Class EnumLexer

java.lang.Object

com.massa.dsl.lexer.AbstractLexer

com.massa.dsl.lexer.EnumLexer

All Implemented Interfaces:

MatcherAutoCompleter, Documented, Lexer, Serializable

public class EnumLexer
extends AbstractLexer

Lexer for which possible content is given by an enumeration.
Possible values are provided from a Java Enum or from a List specified in configuration.
Return type can be a Java Enum,a String, or any type which the values can beconverted to.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
EnumLexer()

Method Summary

Modifier and Type	Method and Description
String	getEnumProperty()
Class<? extends Enum<?>>	getFromEnum()
LexerParser	getParser(LexerParser parent) Returns a parser which is able to handles the text relative to this lexer
Set<String>	getPossibleValues()
Class<?>	getType()
boolean	isOrdered()
LexerMatcher	resolveStart(LexerParser lexerParser) Resolves the start matcher for this lexer.
Class<?>	resolveType(Grammar grammar) Resolves the type of the object parsed by this lexer.
void	setEnumProperty(String enumProperty)
void	setFromEnum(Class<? extends Enum<?>> fromEnum)
void	setPossibleValues(Set<String> possibleValues)
void	setType(Class<?> type)
void	validate(Grammar grammar) Default implementation does nothing.

Methods inherited from class com.massa.dsl.lexer.AbstractLexer

equals, getDslDoc, getEnd, getId, getListener, getListenerClass, getMatcherAutoCompleteConfiguration, getStart, hashCode, isRoot, isRootOnly, resolveEnd, setDslDoc, setEnd, setId, setListenerClass, setMatcherAutoCompleteConfiguration, setRoot, setRootOnly, setStart, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

EnumLexer

public EnumLexer()

Method Detail

isOrdered

public boolean isOrdered()

Returns:

true if the different elements of this lexer should be ordered

resolveType

public Class<?> resolveType(Grammar grammar)

Description copied from interface: Lexer

Resolves the type of the object parsed by this lexer.

validate

public void validate(Grammar grammar)
              throws DslException

Description copied from class: AbstractLexer

Default implementation does nothing.

Specified by:

validate in interface Lexer

Overrides:

validate in class AbstractLexer

Parameters:

grammar - Related grammar

Throws:

DslException

resolveStart

public LexerMatcher resolveStart(LexerParser lexerParser)
                          throws DslException

Description copied from interface: Lexer

Resolves the start matcher for this lexer. This method should be used mainly by the LexerParser to retrieve its matcher instance.

Specified by:

resolveStart in interface Lexer

Overrides:

resolveStart in class AbstractLexer

Throws:

DslException

See Also:

LexerParser.resolveStart()

getParser

public LexerParser getParser(LexerParser parent)
                      throws DslException

Description copied from interface: Lexer

Returns a parser which is able to handles the text relative to this lexer

Parameters:

parent - Parent parser

Returns:

Object generated by this lexer

Throws:

DslException

getType

public Class<?> getType()

setType

public void setType(Class<?> type)

getFromEnum

public Class<? extends Enum<?>> getFromEnum()

setFromEnum

public void setFromEnum(Class<? extends Enum<?>> fromEnum)

getEnumProperty

public String getEnumProperty()

setEnumProperty

public void setEnumProperty(String enumProperty)

getPossibleValues

public Set<String> getPossibleValues()

setPossibleValues

public void setPossibleValues(Set<String> possibleValues)