public interface IPredicateRule extends IRule
|Modifier and Type||Method and Description|
Evaluates the rule by examining the characters available from the provided character scanner.
Returns the success token of this predicate rule.
IToken evaluate(ICharacterScanner scanner, boolean resume)
isUndefined, if the text that the rule investigated does not match the rule's requirements. Otherwise, this method returns this rule's success token. If this rules relies on a text pattern comprising a opening and a closing character sequence this method can also be called when the scanner is positioned already between the opening and the closing sequence. In this case,
resumemust be set to
scanner- the character scanner to be used by this rule
resume- indicates that the rule starts working between the opening and the closing character sequence
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