class Connie::Parser

Attributes

dictionary[RW]

TODO: implement negative lookahead to allow escaping : and escaping the escaping symbol itself \

Public Class Methods

new(dictionary) click to toggle source
# File lib/connie/parser.rb, line 32
def initialize(dictionary)
  @dictionary = dictionary
end
process(string_to_parse, dictionary = Connie[:names]) click to toggle source
# File lib/connie/parser.rb, line 26
def self.process string_to_parse, dictionary = Connie[:names]
  tokenized = string_to_parse.split Regexp.union(@syntax.keys)
        
  Connie::Parser.new(dictionary).apply_syntax(tokenized).join
end

Public Instance Methods

apply_syntax(tokens) click to toggle source

calls trasform on the tokens marked for interpolation and deals with escaping

# File lib/connie/parser.rb, line 37
def apply_syntax tokens
  tokens.map do |t|
    if t.match '\:[a-z]'
      transform t
    elsif t[0] && t[0].chr == '\\' # some level of escaping is present
      t.match %r{([\\]+)\:}
      raise 'I don\' speak escapeese yet!'
    else
      t
    end
  end
end
transform(string) click to toggle source

Interpolates a syntax token

# File lib/connie/parser.rb, line 51
def transform string
  result = nil
  syntax.each_pair { |k,func| result = instance_exec(string, &func) if string.match(k) }
  return result
end

Private Instance Methods

syntax() click to toggle source
# File lib/connie/parser.rb, line 59
def syntax
  @rebound_syntax ||= self.class.instance_variable_get('@syntax')
end