Class KeywordAlternativeConverter
- java.lang.Object
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- org.eclipse.xtext.conversion.impl.AbstractValueConverter<java.lang.String>
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- org.eclipse.xtext.conversion.impl.KeywordAlternativeConverter
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- All Implemented Interfaces:
IValueConverter<java.lang.String>
,IValueConverter.RuleSpecific
public class KeywordAlternativeConverter extends AbstractValueConverter<java.lang.String> implements IValueConverter.RuleSpecific
- Since:
- 2.0
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Nested Class Summary
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Nested classes/interfaces inherited from interface org.eclipse.xtext.conversion.IValueConverter
IValueConverter.RuleSpecific
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Field Summary
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Fields inherited from interface org.eclipse.xtext.conversion.IValueConverter
NO_OP_CONVERTER
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Constructor Summary
Constructors Constructor Description KeywordAlternativeConverter()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected java.lang.String
keywordToString(Keyword keyword)
protected java.lang.IllegalArgumentException
mismatchedRuleBody(AbstractRule rule)
protected void
processElement(AbstractElement element, AbstractRule rule, com.google.common.collect.ImmutableSet.Builder<java.lang.String> result)
void
setRule(AbstractRule rule)
java.lang.String
toString(java.lang.String value)
Transforms the given value to a string that is conformant to the expected terminal or data type rule.java.lang.String
toValue(java.lang.String string, INode node)
Creates a value from the given input.
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Method Detail
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toValue
public java.lang.String toValue(java.lang.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
ornode
may be null but not both of them.- Specified by:
toValue
in interfaceIValueConverter<java.lang.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 nothidden
.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.
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toString
public java.lang.String toString(java.lang.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 interfaceIValueConverter<java.lang.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.
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keywordToString
protected java.lang.String keywordToString(Keyword keyword)
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setRule
public void setRule(AbstractRule rule)
- Specified by:
setRule
in interfaceIValueConverter.RuleSpecific
- Throws:
java.lang.IllegalArgumentException
- if the rule is not a datatype rule or does not match the patternRuleName: 'keyword' | 'other';
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processElement
protected void processElement(AbstractElement element, AbstractRule rule, com.google.common.collect.ImmutableSet.Builder<java.lang.String> result)
- Since:
- 2.9
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mismatchedRuleBody
protected java.lang.IllegalArgumentException mismatchedRuleBody(AbstractRule rule)
- Since:
- 2.9
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