class Puppet::Pops::Types::ClassLoader

The ClassLoader provides a Class instance given a class name or a meta-type. If the class is not already loaded, it is loaded using the Puppet Autoloader. This means it can load a class from a gem, or from puppet modules.

Public Class Methods

provide(name) click to toggle source

Returns a Class given a fully qualified class name. Lookup of class is never relative to the calling namespace. @param name [String, Array<String>, Array<Symbol>, Puppet::Pops::Types::PAnyType] A fully qualified

class name String (e.g. '::Foo::Bar', 'Foo::Bar'), a PAnyType, or a fully qualified name in Array form where each part
is either a String or a Symbol, e.g. %x%w{Puppetx Puppetlabs SomeExtension}`.

@return [Class, nil] the looked up class or nil if no such class is loaded @raise ArgumentError If the given argument has the wrong type @api public

# File lib/puppet/pops/types/class_loader.rb, line 19
def self.provide(name)
  case name
  when String
    provide_from_string(name)

  when Array
    provide_from_name_path(name.join('::'), name)

  when Puppet::Pops::Types::PAnyType, Puppet::Pops::Types::PType
    provide_from_type(name)

  else
    raise ArgumentError, "Cannot provide a class from a '#{name.class.name}'"
  end
end