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java.lang.Objectjpicedt.format.input.util.AbstractRegularExpression
jpicedt.format.input.util.OptionalExpression
public class OptionalExpression
an expression that represents a pattern repeating at most once
Field Summary |
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Fields inherited from interface jpicedt.format.input.util.ExpressionConstants |
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ANY_CHAR, ANY_CHAR_EOL, ANY_SIGN, AT_LEAST, AT_MOST, DEBUG, DOUBLE, EOL, EXACTLY, INTEGER, NEGATIVE, NON_NULL, POSITIVE, STRICTLY_NEGATIVE, STRICTLY_POSITIVE, WHITE_SPACES, WHITE_SPACES_OR_EOL |
Constructor Summary | |
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OptionalExpression(AbstractRegularExpression expr)
the expression to be matched (yet optionally) |
Method Summary | |
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boolean |
interpret(Context c)
Parses this expression, possibly using the given Context to fetch the String to interpret if this Expression is a leaf expression. |
java.lang.String |
toString()
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Methods inherited from class jpicedt.format.input.util.AbstractRegularExpression |
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action |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public OptionalExpression(AbstractRegularExpression expr)
Method Detail |
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public boolean interpret(Context c) throws REParserException
AbstractRegularExpression
interpret
in class AbstractRegularExpression
REParserException
- if an error occur during parsingpublic java.lang.String toString()
toString
in class java.lang.Object
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