sjm.parse.chars
Class Digit

java.lang.Object
  |
  +--sjm.parse.Parser
        |
        +--sjm.parse.Terminal
              |
              +--sjm.parse.chars.Digit

public class Digit

extends Terminal

A Digit matches a digit from a character assembly.

Version:

1.0

Author:

Steven J. Metsker

Fields inherited from class sjm.parse.Terminal

discard

Fields inherited from class sjm.parse.Parser

assembler, name

Constructor Summary

Digit()

Method Summary

boolean	qualifies(java.lang.Object o) Returns true if an assembly's next element is a digit.
java.util.Vector	randomExpansion(int maxDepth, int depth) Create a set with one random digit.
java.lang.String	unvisitedString(java.util.Vector visited) Returns a textual description of this parser.

Methods inherited from class sjm.parse.Terminal

accept, discard, match, matchOneAssembly, setDiscard

Methods inherited from class sjm.parse.Parser

accept, add, best, bestMatch, completeMatch, elementClone, getName, matchAndAssemble, randomInput, setAssembler, toString, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

Digit

public Digit()

Method Detail

qualifies

public boolean qualifies(java.lang.Object o)

Returns true if an assembly's next element is a digit.

Overrides:

qualifies in class Terminal

Parameters:

object - an element from an assembly

Returns:

true, if an assembly's next element is a digit

randomExpansion

public java.util.Vector randomExpansion(int maxDepth,
                                        int depth)

Create a set with one random digit.

Overrides:

randomExpansion in class Terminal

unvisitedString

public java.lang.String unvisitedString(java.util.Vector visited)

Returns a textual description of this parser.

Overrides:

unvisitedString in class Terminal

Parameters:

vector - a list of parsers already printed in this description

Returns:

string a textual description of this parser

See Also:

Parser.toString()