Class: TapeMeasure::Parser

Inherits:

Object

• Object
• TapeMeasure::Parser

Defined in:

lib/tape_measure/parser.rb

Overview

Parse Strings into units and math them

Instance Attribute Summary

• #value ⇒ Object readonly

  Returns the value of attribute value.

Instance Method Summary

• #initialize(string) ⇒ Parser constructor

  A new instance of Parser.

• #parse ⇒ Object

Constructor Details

#initialize(string) ⇒ Parser

Returns a new instance of Parser.

# File 'lib/tape_measure/parser.rb', line 10

def initialize(string)
  @string  = string
  return @string.blank? if @string == 0.0
  parse
end

Instance Attribute Details

#value ⇒ Object (readonly)

Returns the value of attribute value.

# File 'lib/tape_measure/parser.rb', line 8

def value
  @value
end

Instance Method Details

#parse ⇒ Object

# File 'lib/tape_measure/parser.rb', line 16

def parse
  @value = LengthGrammar.parse(@string.strip).value
rescue => ex
  ex.message
end