Module: Horcrux::Entity::ClassMethods
- Defined in:
- lib/horcrux/entity.rb
Instance Method Summary collapse
-
#attr(type, *keys) ⇒ Object
Public.
- #build_array_attr(keys, is_readonly) ⇒ Object
- #build_attrs(keys, is_readonly) ⇒ Object
- #build_bool_attr(keys, is_readonly) ⇒ Object
- #build_class_attr(klass, keys, is_readonly) ⇒ Object
- #build_hash_attr(keys, is_readonly) ⇒ Object
- #build_string_attr(keys, is_readonly) ⇒ Object
- #build_time_attr(keys, is_readonly) ⇒ Object
-
#from(hash = {}) ⇒ Object
Public.
-
#readonly(type, *keys) ⇒ Object
Public.
Instance Method Details
#attr(type, *keys) ⇒ Object
Public
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# File 'lib/horcrux/entity.rb', line 19 def attr(type, *keys) method = "build_#{type}_attr" if respond_to?(method) send method, keys, false else raise TypeError, "Type #{type.inspect} not recognized." end end |
#build_array_attr(keys, is_readonly) ⇒ Object
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# File 'lib/horcrux/entity.rb', line 74 def build_array_attr(keys, is_readonly) build_class_attr(Array, keys, is_readonly) end |
#build_attrs(keys, is_readonly) ⇒ Object
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# File 'lib/horcrux/entity.rb', line 113 def build_attrs(keys, is_readonly) keys.each do |key| key_s = key.to_s @default_attribute ||= key_s @attributes << key_s @writable_attributes << key_s unless is_readonly yield key_s end end |
#build_bool_attr(keys, is_readonly) ⇒ Object
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# File 'lib/horcrux/entity.rb', line 54 def build_bool_attr(keys, is_readonly) attr_reader *keys build_attrs(keys, is_readonly) do |key_s| ivar_key = "@#{key_s}" define_method "#{key_s}?" do !!instance_variable_get(ivar_key) end define_method "#{key_s}=" do |value| instance_variable_set ivar_key, case value when Fixnum then value > 0 when /t|f/i then value =~ /t/i ? true : false else !!value end end end end |
#build_class_attr(klass, keys, is_readonly) ⇒ Object
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# File 'lib/horcrux/entity.rb', line 96 def build_class_attr(klass, keys, is_readonly) build_attrs(keys, is_readonly) do |key_s| ivar_key = "@#{key_s}" define_method key_s do instance_variable_get(ivar_key) || instance_variable_set(ivar_key, klass.new) end define_method "#{key_s}=" do |value| unless value.nil? || value.is_a?(klass) raise TypeError, "#{key_s} should be a #{klass}: #{value.inspect}" end instance_variable_set(ivar_key, value) end end end |
#build_hash_attr(keys, is_readonly) ⇒ Object
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# File 'lib/horcrux/entity.rb', line 78 def build_hash_attr(keys, is_readonly) build_class_attr(Hash, keys, is_readonly) end |
#build_string_attr(keys, is_readonly) ⇒ Object
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# File 'lib/horcrux/entity.rb', line 43 def build_string_attr(keys, is_readonly) attr_reader *keys build_attrs(keys, is_readonly) do |key_s| ivar_key = "@#{key_s}" define_method "#{key_s}=" do |value| instance_variable_set ivar_key, value end end end |
#build_time_attr(keys, is_readonly) ⇒ Object
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# File 'lib/horcrux/entity.rb', line 82 def build_time_attr(keys, is_readonly) attr_reader *keys build_attrs(keys, is_readonly) do |key_s| ivar_key = "@#{key_s}" define_method "#{key_s}=" do |value| instance_variable_set ivar_key, value.respond_to?(:utc) ? value : Time.at(value.to_i).utc end end end |
#from(hash = {}) ⇒ Object
Public
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# File 'lib/horcrux/entity.rb', line 39 def from(hash = {}) hash.respond_to?(@default_attribute) ? hash : new(hash) end |
#readonly(type, *keys) ⇒ Object
Public
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# File 'lib/horcrux/entity.rb', line 29 def readonly(type, *keys) method = "build_#{type}_attr" if respond_to?(method) send method, keys, true else raise TypeError, "Type #{type.inspect} not recognized." end end |