module Mmtrix::Helper

A singleton for shared generic helper methods

Public Instance Methods

correctly_encoded(string) click to toggle source
# File lib/mmtrix/helper.rb, line 15
def correctly_encoded(string)
  return string unless string.is_a? String
  # The .dup here is intentional, since force_encoding mutates the target,
  # and we don't know who is going to use this string downstream of us.
  string.valid_encoding? ? string : string.dup.force_encoding("ASCII-8BIT")
end
instance_method_visibility(klass, method_name) click to toggle source
# File lib/mmtrix/helper.rb, line 28
def instance_method_visibility(klass, method_name)
  if klass.private_instance_methods.map{|s|s.to_sym}.include? method_name.to_sym
    :private
  elsif klass.protected_instance_methods.map{|s|s.to_sym}.include? method_name.to_sym
    :protected
  else
    :public
  end
end
instance_methods_include?(klass, method_name) click to toggle source
# File lib/mmtrix/helper.rb, line 38
def instance_methods_include?(klass, method_name)
  method_name_sym = method_name.to_sym
  (
    klass.instance_methods.map{ |s| s.to_sym }.include?(method_name_sym)          ||
    klass.protected_instance_methods.map{ |s|s.to_sym }.include?(method_name_sym) ||
    klass.private_instance_methods.map{ |s|s.to_sym }.include?(method_name_sym)
  )
end
milliseconds_to_seconds(milliseconds) click to toggle source
# File lib/mmtrix/helper.rb, line 51
def milliseconds_to_seconds(milliseconds)
  milliseconds / 1000.0
end
time_to_millis(time) click to toggle source
# File lib/mmtrix/helper.rb, line 47
def time_to_millis(time)
  (time.to_f * 1000).round
end