Module: Utils

Included in:
DslRuntime, Extractor2, RootCleanroom, RoxmlBuilder
Defined in:
lib/roundtrip_xml/utils.rb

Defined Under Namespace

Classes: UndefinedParam

Constant Summary collapse

UNDEFINED_PARAM = 
'UNDEFINED_PARAM'.freeze
VAR_SUFIX = 
'_v'.freeze

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/roundtrip_xml/utils.rb', line 24

def self.included(base)
  unless base.const_defined?(:VAR_SUFIX)
    base.const_set :VAR_SUFIX, Utils::VAR_SUFIX
  end
end

Instance Method Details

#name_to_sym(name, lower_case = false) ⇒ Object 



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# File 'lib/roundtrip_xml/utils.rb', line 80

def name_to_sym(name, lower_case = false)
  name_to_sym_helper(name, lower_case)
end

#new_roxml_class(name, parent = Object, &block) ⇒ Object 



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# File 'lib/roundtrip_xml/utils.rb', line 29

def new_roxml_class(name, parent = Object, &block)
  Class.new(parent) do
    include ROXML
    include PlainAccessors
    xml_convention :dasherize
    xml_name parent.respond_to?(:tag_name) ? parent.tag_name : name

    # by default a ROXML class isn't a sub class
    def self.subclass?
      @is_subclass || false
    end
    def attributes
      self.class.roxml_attrs
    end

    def self.class_name
      @class_name || name_to_sym_helper(self.tag_name)
    end

    def to_hash
      attributes.inject({}) do |hash, a|
        value = a.to_ref(self).to_xml(self)
        value = value.to_hash if value.respond_to? :to_hash

        hash[a.accessor] = value
        hash['__class'] = self.class.class_name
        hash
      end
    end

    def self.from_hash(runtime, hash)
      hash.delete '__class'
      obj = self.new
      hash.each do |k, val|
        if val.is_a? Hash
          val = runtime.fetch(val['__class']).from_hash(runtime, val)
        end
        obj.send "#{k}=", val
      end
      obj
    end
    def self.unique_parent_accessors
      plain = Set.new(plain_accessors.map {|accessor| accessor.to_s.gsub(VAR_SUFIX, '').to_sym})
      parent_accessors = Set.new(roxml_attrs.map { |attr| attr.accessor })
      parent_accessors - plain
    end
    class_eval &block if block_given?
  end

end