org.eclipse.xtext.conversion.impl

Class KeywordAlternativeConverter

java.lang.Object

org.eclipse.xtext.conversion.impl.AbstractValueConverter<String>

org.eclipse.xtext.conversion.impl.KeywordAlternativeConverter

All Implemented Interfaces:

IValueConverter<String>, IValueConverter.RuleSpecific

public class KeywordAlternativeConverter
extends AbstractValueConverter<String>
implements IValueConverter.RuleSpecific

Since:

2.0

Author:

Sebastian Zarnekow - Initial contribution and API

Nested Class Summary

Nested classes/interfaces inherited from interface org.eclipse.xtext.conversion.IValueConverter

IValueConverter.RuleSpecific

Field Summary

Fields inherited from interface org.eclipse.xtext.conversion.IValueConverter

NO_OP_CONVERTER

Constructor Summary

Constructors

Constructor and Description
KeywordAlternativeConverter()

Method Summary

Methods

Modifier and Type	Method and Description
protected String	keywordToString(Keyword keyword)
protected IllegalArgumentException	mismatchedRuleBody(AbstractRule rule)
protected void	processElement(AbstractElement element, AbstractRule rule, com.google.common.collect.ImmutableSet.Builder<String> result)
void	setRule(AbstractRule rule)
String	toString(String value) Transforms the given value to a string that is conformant to the expected terminal or data type rule.
String	toValue(String string, INode node) Creates a value from the given input.

Methods inherited from class java.lang.Object

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

Constructor Detail

KeywordAlternativeConverter

public KeywordAlternativeConverter()

Method Detail

toValue

public String toValue(String string,
             INode node)
               throws ValueConverterException

Description copied from interface: IValueConverter

Creates a value from the given input. The input is conformant to a data type or terminal rule.

The given string or node may be null but not both of them.

Specified by:

toValue in interface IValueConverter<String>

Parameters:

string - the string that was inferred from the node. Usually the node's text but may be reduced to the parts of the node that are not hidden.

node - the parsed node including hidden parts.

Returns:

the new value or null.

Throws:

ValueConverterException - indicates that the string or node did not fulfil the expected format.

toString

public String toString(String value)
                throws ValueConverterException

Description copied from interface: IValueConverter

Transforms the given value to a string that is conformant to the expected terminal or data type rule.

Specified by:

toString in interface IValueConverter<String>

Parameters:

value - the to-be-transformed value

Returns:

a string represenation for that value.

Throws:

ValueConverterException - indicates that the value cannot be converted to a valid string.

keywordToString

protected String keywordToString(Keyword keyword)

setRule

public void setRule(AbstractRule rule)

Specified by:

setRule in interface IValueConverter.RuleSpecific

Throws:

IllegalArgumentException - if the rule is not a datatype rule or does not match the pattern

RuleName: 'keyword' | 'other';

processElement

protected void processElement(AbstractElement element,
                  AbstractRule rule,
                  com.google.common.collect.ImmutableSet.Builder<String> result)

Since:

2.9

mismatchedRuleBody

protected IllegalArgumentException mismatchedRuleBody(AbstractRule rule)

Since:

2.9