class Ldpath::FunctionSelector

Attributes

arguments[R]
fname[R]

Public Class Methods

new(fname, arguments = []) click to toggle source
# File lib/ldpath/selectors.rb, line 53
def initialize(fname, arguments = [])
  @fname = fname
  @arguments = Array(arguments)
end

Public Instance Methods

evaluate(program, uris, context) { |x| ... } click to toggle source
# File lib/ldpath/selectors.rb, line 58
def evaluate(program, uris, context)
  return to_enum(:evaluate, program, uris, context) unless block_given?

  enum_wrap(uris).map do |uri|
    loading program, uri, context
    args = arguments.map do |i|
      case i
      when Selector
        i.evaluate(program, uri, context)
      else
        i
      end
    end
    enum_flatten_one(program.func_call(fname, uri, context, *args)).each do |x|
      yield x unless x.nil?
    end
  end
end