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Versions: 11
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Contents
# encoding: utf-8
module Axiom
module Types
# Add encoding constraints to a type
module Encodable
# stub module for ruby 1.8
end
module Encodable
# Hook called when module is extended
#
# Add #encoding DSL method to descendant and set the default to UTF-8.
#
# @param [Class<Axiom::Types::Type>] descendant
#
# @return [undefined]
#
# @api private
def self.extended(descendant)
super
descendant.accept_options :encoding
descendant.encoding Encoding::UTF_8
end
private_class_method :extended
# Finalize by setting up a primitive constraint
#
# @return [Axiom::Types::Encodable]
#
# @api private
def finalize
return self if frozen?
ascii_compatible? ? use_ascii_compatible_encoding : use_encoding
super
end
private
# Test if the encoding is ascii compatible
#
# @return [Boolean]
#
# @api private
def ascii_compatible?
encoding.ascii_compatible?
end
# Add constraint for the ascii compatible encoding
#
# @return [undefined]
#
# @api private
def use_ascii_compatible_encoding
constraint do |object|
object.encoding.equal?(encoding) || object.to_s.ascii_only?
end
end
# Add constraint for the encoding
#
# @return [undefined]
#
# @api private
def use_encoding
constraint { |object| object.encoding.equal?(encoding) }
end
end # module Encodable
end # module Types
end # module Axiom
Version data entries
11 entries across 9 versions & 4 rubygems