io.parsingdata.metal.token

Class Cho

java.lang.Object

io.parsingdata.metal.token.Token

io.parsingdata.metal.token.Cho

public class Cho
extends Token

A Token that specifies a choice out of a list of tokens.

A Cho consists of an array of tokens. If none of the tokens succeed, the Cho fails. If any token succeeds, the Cho succeeds. Precedence is from left to right.

Field Summary

Fields inherited from class io.parsingdata.metal.token.Token

encoding, name, NO_NAME, SEPARATOR

Constructor Summary

Constructors

Constructor and Description
Cho(String name, Encoding encoding, Token... tokens)

Method Summary

Modifier and Type	Method and Description
protected ParseResult	parseImpl(String scope, Environment environment, Encoding encoding)
Token[]	tokens()
String	toString()

Methods inherited from class io.parsingdata.metal.token.Token

getCanonical, isLocal, makeNameFragment, parse, parse

Methods inherited from class java.lang.Object

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

Constructor Detail

Cho

public Cho(String name,
           Encoding encoding,
           Token... tokens)

Method Detail

tokens

public Token[] tokens()

parseImpl

protected ParseResult parseImpl(String scope,
                                Environment environment,
                                Encoding encoding)
                         throws IOException

Specified by:

parseImpl in class Token

Throws:

IOException

toString

public String toString()

Overrides:

toString in class Object