Contents

module CEML

  class Criteria < Struct.new :plus_tags, :minus_tags, :matching, :radius, :timewindow
    def complexity; plus_tags.size; end
    def =~(candidate)
      candidate[:tags] ||= []
      (plus_tags - candidate[:tags]).empty? and (minus_tags & candidate[:tags]).empty?
    end
  end

  module CastingStatement
    extend Forwardable
    def_delegators :roles, :names, :[], :min
    alias_method :rolenames, :names

    def roles_to_cast(script)
      return [] unless type == :await
      roles.list.map do |r|
        c = Criteria.new(r.qualifiers, [], radius ? [:city] : [], radius, timewindow)
        Role.new r.name, c, r.min..r.max, []
      end
    end

    def type
      elements.first.text_value.split.first.to_sym
    end

    def max
      roles.max
    end

    def within_phrase
      return if modifiers.empty?
      modifiers.elements.select{ |m| m.respond_to? :distance }.first
    end

    def over_phrase
      return if modifiers.empty?
      modifiers.elements.select{ |m| m.respond_to? :duration }.first
    end

    def timewindow
      over_phrase && over_phrase.duration.seconds
    end

    def radius
      within_phrase && within_phrase.distance.meters
    end

    def nab?
      type == :nab
    end
  end
end

Version data entries

5 entries across 5 versions & 1 rubygems

Version	Path
ceml-0.6.4	lib/ceml/casting_statement.rb
ceml-0.6.3	lib/ceml/casting_statement.rb
ceml-0.6.2	lib/ceml/casting_statement.rb
ceml-0.6.1	lib/ceml/casting_statement.rb
ceml-0.6.0	lib/ceml/casting_statement.rb