sjm.examples.mechanics
Class LowercaseWord

java.lang.Object
  |
  +--sjm.parse.Parser
        |
        +--sjm.parse.Terminal
              |
              +--sjm.parse.tokens.Word
                    |
                    +--sjm.examples.mechanics.LowercaseWord

public class LowercaseWord

extends Word

This class shows the how to introduce a new type of terminal, specifically for recognizing lowercase words.

Fields inherited from class sjm.parse.Terminal

discard

Fields inherited from class sjm.parse.Parser

assembler, name

Constructor Summary

LowercaseWord()

Method Summary

protected boolean	qualifies(java.lang.Object o) Returns true if an assembly's next element is a lower case word.
java.util.Vector	randomExpansion(int maxDepth, int depth) Create a set with one random word (with 3 to 7 characters).
java.lang.String	unvisitedString(java.util.Vector visited) Returns a textual description of this production.

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

LowercaseWord

public LowercaseWord()

Method Detail

qualifies

protected boolean qualifies(java.lang.Object o)

Returns true if an assembly's next element is a lower case word.

Overrides:

qualifies in class Word

Parameters:

object - an element from a assembly

Returns:

true, if an assembly's next element is a lowercase word

randomExpansion

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

Description copied from class: Word

Create a set with one random word (with 3 to 7 characters).

Overrides:

randomExpansion in class Word

unvisitedString

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

Returns a textual description of this production.

Overrides:

unvisitedString in class Word

Parameters:

vector - a list of productions already printed in this description

Returns:

string a textual description of this production

See Also:

ProductionRule#toString()