module Sidekiq::Cron::Support

Public Class Methods

constantize(camel_cased_word) click to toggle source

Inspired by Active Support Inflector

# File lib/sidekiq/cron/support.rb, line 5
def self.constantize(camel_cased_word)
  names = camel_cased_word.split("::".freeze)

  # Trigger a built-in NameError exception including the ill-formed constant in the message.
  Object.const_get(camel_cased_word) if names.empty?

  # Remove the first blank element in case of '::ClassName' notation.
  names.shift if names.size > 1 && names.first.empty?

  names.inject(Object) do |constant, name|
    if constant == Object
      constant.const_get(name)
    else
      candidate = constant.const_get(name)
      next candidate if constant.const_defined?(name, false)
      next candidate unless Object.const_defined?(name)

      # Go down the ancestors to check if it is owned directly. The check
      # stops when we reach Object or the end of ancestors tree.
      constant = constant.ancestors.inject(constant) do |const, ancestor|
        break const    if ancestor == Object
        break ancestor if ancestor.const_defined?(name, false)
        const
      end

      constant.const_get(name, false)
    end
  end
end
load_yaml(src) click to toggle source
# File lib/sidekiq/cron/support.rb, line 35
def self.load_yaml(src)
  if Psych::VERSION > "4.0"
    YAML.safe_load(src, permitted_classes: [Symbol], aliases: true)
  else
    YAML.load(src)
  end
end