Class: Yaparc::Regex

Inherits:

Object

• Object
• Yaparc::Regex

Includes:

Parsable

Defined in:

lib/yaparc.rb

Constant Summary

Constants included from Parsable

Parsable::IS_ALPHANUM, Parsable::IS_CR, Parsable::IS_DIGIT, Parsable::IS_LOWER, Parsable::IS_SPACE, Parsable::IS_WHITESPACE

Instance Attribute Summary

Attributes included from Parsable

#tree

Instance Method Summary

• #initialize(regex, &block) ⇒ Regex constructor

  A new instance of Regex.

Methods included from Parsable

#parse

Constructor Details

#initialize(regex, &block) ⇒ Regex

Returns a new instance of Regex.

# File 'lib/yaparc.rb', line 268

def initialize(regex, &block)
  @regex = regex
  @parser = lambda do |input|
    if match = Regexp.new(regex).match(input)
      if block_given?
        Succeed.new(yield(*match.to_a[1..match.to_a.length])).parse(match.post_match)
      else
        Result::OK.new(:value => match[0], :input => match.post_match)
      end
    else
      Result::Fail.new(:input => input)
    end
  end
end