co.cask.coopr.macro

Class Parser

java.lang.Object

co.cask.coopr.macro.Parser

public class Parser
extends Object

Parses a macro expression. Syntax:

   ::= join(,) | 
        ::= map(,) | 
        ::=  | 
         ::= host.service | ip.service | num.service | num.self.service
      ::= "[^"]*" | '[^']'
     ::= [\d+]
 

Constructor Summary

Constructors

Constructor and Description
Parser(String input) Construct a parser from a string.

Method Summary

Methods

Modifier and Type	Method and Description
Expression	parse() Parse the input and return the resulting expression.

Methods inherited from class java.lang.Object

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

Constructor Detail

Parser

public Parser(String input)

Construct a parser from a string. It is meant for single use.

Parameters:

input - The input string to parse.

Method Detail

parse

public Expression parse()
                 throws SyntaxException

Parse the input and return the resulting expression.

Throws:

SyntaxException - in case of syntax errors.