Module: Sem4rSoap::SoapAttributes::ClassMethods
- Defined in:
- lib/sem4r_soap/soap_attributes.rb
Instance Method Summary collapse
- #_from_element(el) ⇒ Object
- #attributes ⇒ Object
- #enum(set, values) ⇒ Object
-
#g_accessor(name, constraints = {}) ⇒ Object
constraints :values_in :if_type :default.
- #g_reader(name) ⇒ Object
- #g_set_accessor(column, constraints = {}) ⇒ Object
Instance Method Details
#_from_element(el) ⇒ Object
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# File 'lib/sem4r_soap/soap_attributes.rb', line 216 def _from_element(el) return nil unless el new._from_element(el) end |
#attributes ⇒ Object
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# File 'lib/sem4r_soap/soap_attributes.rb', line 90 def attributes @attributes end |
#enum(set, values) ⇒ Object
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# File 'lib/sem4r_soap/soap_attributes.rb', line 79 def enum(set, values) tmp = values.map do |v| if const_defined?(v.to_sym) const_get(v.to_sym) else const_set(v.to_sym, v.to_s) end end const_set( set.to_sym, tmp ) end |
#g_accessor(name, constraints = {}) ⇒ Object
constraints
:values_in
:if_type
:default
TODO: g_accessor prende in input anche elements ed estrae automaticamente l’elemento che interessa
cioe' invece di scrivere headline el.at_xpath("headline").text dovrebbe bastare scrivere
headline el
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# File 'lib/sem4r_soap/soap_attributes.rb', line 109 def g_accessor(name, constraints = {}) constraints.assert_valid_keys(:xpath, :values_in, :if_type, :default) attribute = add_attribute(name, false, constraints[:xpath]) name = name.to_s # # define setter # # values_in enum = nil if constraints.key?(:values_in) enum = const_get(constraints[:values_in]) end # if_type if_type = nil if constraints.key?(:if_type) if_type = constraints[:if_type] other_instance_var = "type" end define_method "#{name}=" do |value| if enum and !enum.include?(value) raise "Value '#{value}' not permitted " end if if_type type = instance_variable_get "@#{other_instance_var}" raise "type must be '#{if_type}' instead of '#{type}'" unless if_type == type end instance_variable_set "@#{name}", value end # # define getter ( almost :-) ) # # default_value default_value = nil if constraints.key?(:default) default_value = constraints[:default] end define_method "#{name}" do |*values| # |value = nil| is incorrect in ruby 1.8 raise ArgumentError, "wrong number of arguments (#{values.size} for 0)" if values.length > 1 value = values.first if value self.__send__("#{name}=", value) elsif instance_variable_defined? "@#{name}" instance_variable_get "@#{name}" else default_value end end end |
#g_reader(name) ⇒ Object
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# File 'lib/sem4r_soap/soap_attributes.rb', line 94 def g_reader(name) @attributes ||= [] @attributes << MetaSoapAttribute.new(name, false) attr_reader name end |
#g_set_accessor(column, constraints = {}) ⇒ Object
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# File 'lib/sem4r_soap/soap_attributes.rb', line 165 def g_set_accessor(column, constraints = {}) constraints.assert_valid_keys(:values_in) column = column.to_s columns = "#{column}s" attribute = add_attribute(columns, true) # values_in enum = nil if constraints.key?(:values_in) enum = const_get(constraints[:values_in]) end # # define # column= :a # column :a # define_method "#{column}=" do |value| if enum and !enum.include?(value) raise "Value not permitted #{value}" end instance_eval <<-EOFS @#{columns} ||= [] @#{columns} << value unless @#{columns}.include?(value) EOFS end alias_method column, "#{column}=" # # define # colums [:a,:b,:c] # define # colums # define_method "#{columns}" do |*values| if values and !values.empty? instance_eval "@#{columns} ||= []" values.each do |value| instance_eval "@#{column}(value)" end else instance_eval "@#{columns} ||= []" instance_variable_get "@#{columns}" end end end |