Method: Bundler::Thor::Util.find_class_and_command_by_namespace

Defined in:
lib/bundler/vendor/thor/lib/thor/util.rb

.find_class_and_command_by_namespace(namespace, fallback = true) ⇒ Object Also known as: find_class_and_task_by_namespace

Receives a namespace and tries to retrieve a Bundler::Thor or Bundler::Thor::Group class from it. It first searches for a class using the all the given namespace, if it’s not found, removes the highest entry and searches for the class again. If found, returns the highest entry as the class name.

Examples

class Foo::Bar < Bundler::Thor
  def baz
  end
end

class Baz::Foo < Bundler::Thor::Group
end

Bundler::Thor::Util.namespace_to_thor_class("foo:bar")     #=> Foo::Bar, nil # will invoke default command
Bundler::Thor::Util.namespace_to_thor_class("baz:foo")     #=> Baz::Foo, nil
Bundler::Thor::Util.namespace_to_thor_class("foo:bar:baz") #=> Foo::Bar, "baz"

Parameters

namespace<String>


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# File 'lib/bundler/vendor/thor/lib/thor/util.rb', line 131

def find_class_and_command_by_namespace(namespace, fallback = true)
  if namespace.include?(":") # look for a namespaced command
    *pieces, command  = namespace.split(":")
    namespace = pieces.join(":")
    namespace = "default" if namespace.empty?
    klass = Bundler::Thor::Base.subclasses.detect { |thor| thor.namespace == namespace && thor.command_exists?(command) }
  end
  unless klass # look for a Bundler::Thor::Group with the right name
    klass = Bundler::Thor::Util.find_by_namespace(namespace)
    command = nil
  end
  if !klass && fallback # try a command in the default namespace
    command = namespace
    klass   = Bundler::Thor::Util.find_by_namespace("")
  end
  [klass, command]
end