public interface IValueConverter<Type>
ValueConverter
is used to create a semantic value from
an input string or node and vice versa.Modifier and Type | Interface and Description |
---|---|
static interface |
IValueConverter.RuleSpecific
Value converters that rely on information about the actual rule
that is converted, may implement this interface.
|
Modifier and Type | Field and Description |
---|---|
static IValueConverter<? extends java.lang.Object> |
NO_OP_CONVERTER |
static final IValueConverter<? extends java.lang.Object> NO_OP_CONVERTER
Type toValue(java.lang.String string, INode node) throws ValueConverterException
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.
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.null
.ValueConverterException
- indicates that the string or node did not fulfil
the expected format.java.lang.String toString(Type value) throws ValueConverterException
value
- the to-be-transformed valueValueConverterException
- indicates that the value cannot be converted to a valid string.