Class: YARD::Handlers::Ruby::ActiveRecord::Delegations::DelegateHandler

Inherits:
MethodHandler
  • Object
show all
Defined in:
lib/yard-activerecord/delegations/delegate_handler.rb

Instance Method Summary collapse

Instance Method Details

#process ⇒ Object 



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# File 'lib/yard-activerecord/delegations/delegate_handler.rb', line 8

def process
  params = statement.parameters
  params.pop # we shouldn't have a block, so pop that off
  params.map! { |p| p.source.split(",") }
  params.flatten!
  options, params = params.partition { |v| v =~ /\=\>|\:\s/ }
  if options.length > 0
    class_name = options.detect { |v| v =~ /to\:\s|\:to\s+\=\>/ }
    class_name = class_name.to_s.gsub(/\A.*\:/,'').capitalize
    prefix_name = options.detect { |v| v =~ /prefix\:\s|\:prefix\s+\=\>/ }
    prefix_name = prefix_name.to_s.gsub(/\A.*\:/,'').strip
  end

  params.each do |method_name|
    method_name.gsub!(/[\:\'\"]/,'')
    original_method_name = method_name.dup

    if prefix_name&.length&.> 0
      prefix_name = class_name.downcase if prefix_name == 'true'
      method_name.prepend("#{prefix_name}_")
    end
    object = register YARD::CodeObjects::MethodObject.new(namespace, method_name)
    object.group = "Delegated Instance Attributes"
    object.docstring = "Alias for #{class_name}##{original_method_name}"
    object.docstring.add_tag get_tag(:return,
        "#{class_name}##{method_name}", 'Object')
    object.docstring.add_tag get_tag(:see,"Module#delegate",nil,
        "http://api.rubyonrails.org/classes/Module.html#method-i-delegate")
  end
  group_name = "Delegated Instance Attributes"
  namespace.groups << group_name unless namespace.groups.include? group_name
end