33 lines
934 B
Ruby
33 lines
934 B
Ruby
class Module
|
|
# Declares an attribute reader backed by an internally-named instance variable.
|
|
def attr_internal_reader(*attrs)
|
|
attrs.each do |attr|
|
|
module_eval "def #{attr}() #{attr_internal_ivar_name(attr)} end"
|
|
end
|
|
end
|
|
|
|
# Declares an attribute writer backed by an internally-named instance variable.
|
|
def attr_internal_writer(*attrs)
|
|
attrs.each do |attr|
|
|
module_eval "def #{attr}=(v) #{attr_internal_ivar_name(attr)} = v end"
|
|
end
|
|
end
|
|
|
|
# Declares an attribute reader and writer backed by an internally-named instance
|
|
# variable.
|
|
def attr_internal_accessor(*attrs)
|
|
attr_internal_reader(*attrs)
|
|
attr_internal_writer(*attrs)
|
|
end
|
|
|
|
alias_method :attr_internal, :attr_internal_accessor
|
|
|
|
private
|
|
mattr_accessor :attr_internal_naming_format
|
|
self.attr_internal_naming_format = '@_%s'
|
|
|
|
def attr_internal_ivar_name(attr)
|
|
attr_internal_naming_format % attr
|
|
end
|
|
end
|