Sha256: 826a773b62118f8d420b9509389bbfb2fcdd3e26fc7e41dbddb79b25a91a2e33
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Size: 1.84 KB
Versions: 6
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Stored size: 1.84 KB
Contents
module HyperResource::Modules
module InternalAttributes
def self.included(base)
base.extend(ClassMethods)
base._hr_class_attributes.each do |attr|
base._hr_class_attribute attr
end
(base._hr_attributes - base._hr_class_attributes).each do |attr|
base.send(:attr_accessor, attr)
end
## Fallback attributes fall back from instance to class.
(base._hr_attributes & base._hr_class_attributes).each do |attr|
base._hr_fallback_attribute attr
end
end
module ClassMethods
# @private
def _hr_class_attributes
[ :root ]
end
# @private
def _hr_attributes
[ :root,
:href,
:request,
:response,
:body,
:attributes,
:links,
:objects,
:loaded
]
end
## Inheritable class attribute, kinda like in Rails.
# @private
def _hr_class_attribute(*names)
names.map(&:to_sym).each do |name|
instance_eval <<-EOT
def #{name}=(val)
@#{name} = val
end
def #{name}
return @#{name} if defined?(@#{name})
return superclass.#{name} if superclass.respond_to?(:#{name})
nil
end
EOT
end
end
## Instance attributes which fall back to class attributes.
# @private
def _hr_fallback_attribute(*names)
names.map(&:to_sym).each do |name|
class_eval <<-EOT
def #{name}=(val)
@#{name} = val
end
def #{name}
return @#{name} if defined?(@#{name})
return self.class.#{name} if self.class.respond_to?(:#{name})
nil
end
EOT
end
end
end # ClassMethods
end
end
Version data entries
6 entries across 6 versions & 2 rubygems