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java.lang.Objectorg.eclipse.jface.text.rules.NumberRule
An implementation of IRule
detecting a numerical value.
Field Summary | |
protected int |
fColumn
The column constraint |
protected IToken |
fToken
The token to be returned when this rule is successful |
protected static int |
UNDEFINED
Internal setting for the uninitialized column constraint |
Constructor Summary | |
NumberRule(IToken token)
Creates a rule which will return the specified token when a numerical sequence is detected. |
Method Summary | |
IToken |
evaluate(ICharacterScanner scanner)
Evaluates the rule by examining the characters available from the provided character scanner. |
void |
setColumnConstraint(int column)
Sets a column constraint for this rule. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
protected static final int UNDEFINED
protected IToken fToken
protected int fColumn
Constructor Detail |
public NumberRule(IToken token)
token
- the token to be returnedMethod Detail |
public void setColumnConstraint(int column)
column
- the column in which the pattern startspublic IToken evaluate(ICharacterScanner scanner)
IRule
true
when calling isUndefined
,
if the text the rule investigated does not match the rule's requirements.
evaluate
in interface IRule
scanner
- the character scanner to be used by this rule
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