eu.cqse.check.framework.util.tokens

Class TokenPatternBase

java.lang.Object

eu.cqse.check.framework.util.tokens.TokenPatternBase

Direct Known Subclasses:

AlternativePattern, OptionalPattern, RegexPattern, RepeatedPattern, SequencePattern, SingleTokenPatternBase, SkipNestedPattern, SkipPattern, ZeroLengthTokenPatternBase

public abstract class TokenPatternBase
extends java.lang.Object

Base class for token patterns. Handles resetting the token stream's position if the pattern did not match and appending the patterns match to the match group, if a group index was set for this pattern.

Constructor Summary

Constructors

Constructor and Description
TokenPatternBase()

Method Summary

Modifier and Type	Method and Description
protected TokenPatternMatch	createMatch(TokenStream stream) Utility method to create an empty match object.
protected abstract TokenPatternMatch	matchesLocally(TokenStream stream) Tries to match this pattern at the current position of the given stream.
void	setGroupIndex(java.lang.Integer groupIndex)

Methods inherited from class java.lang.Object

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

Constructor Detail

TokenPatternBase

public TokenPatternBase()

Method Detail

setGroupIndex

public void setGroupIndex(java.lang.Integer groupIndex)

See Also:

groupIndex

createMatch

protected TokenPatternMatch createMatch(TokenStream stream)

Utility method to create an empty match object.

matchesLocally

protected abstract TokenPatternMatch matchesLocally(TokenStream stream)

Tries to match this pattern at the current position of the given stream. Returns a match object if successful, null otherwise. May modify the stream's position.