C# Class Metaphone.DoubleMetaphone

Implements the Double Metaphone phonetic matching algorithm published by Lawrence Phillips in June 2000 C/C++ Users Journal. Optimized and ported to C# by Adam Nelson ([email protected])

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Public Methods

Method	Description
DoubleMetaphone ( ) : System	Default ctor, initializes by computing the keys of an empty string, which are both empty strings
DoubleMetaphone ( String word ) : System	Constructs a new DoubleMetaphone object, and initializes it with the metaphone keys for a given word
computeKeys ( String word ) : void	Sets a new current word for the instance, computing the new word's metaphone keys
doubleMetaphone ( String word, String &primaryKey, String &alternateKey ) : void	Static wrapper around the class, enables computation of metaphone keys without instantiating a class.

Private Methods

Method	Description
addMetaphoneCharacter ( String primaryCharacter ) : void
addMetaphoneCharacter ( String primaryCharacter, String alternateCharacter ) : void
areStringsAt ( int start, int length ) : bool
buildMetaphoneKeys ( ) : void
isVowel ( int pos ) : bool
isWordSlavoGermanic ( ) : bool

Method Details

DoubleMetaphone() public method

Default ctor, initializes by computing the keys of an empty string, which are both empty strings

public DoubleMetaphone ( ) : System
return	System

DoubleMetaphone() public method

Constructs a new DoubleMetaphone object, and initializes it with the metaphone keys for a given word

public DoubleMetaphone ( String word ) : System
word	String	Word with which to initialize the object. Computes the metaphone keys /// of this word.
return	System

computeKeys() public method

Sets a new current word for the instance, computing the new word's metaphone keys

public computeKeys ( String word ) : void
word	String	New word to set to current word. Discards previous metaphone keys, /// and computes new keys for this word
return	void

doubleMetaphone() public static method

Static wrapper around the class, enables computation of metaphone keys without instantiating a class.

public static doubleMetaphone ( String word, String &primaryKey, String &alternateKey ) : void
word	String	Word whose metaphone keys are to be computed
primaryKey	String	Ref to var to receive primary metaphone key
alternateKey	String	Ref to var to receive alternate metaphone key, or be set to null if /// word has no alternate key by double metaphone
return	void