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# frozen_string_literal: true
require "mime/type"
# A version of MIME::Type that works hand-in-hand with a MIME::Types::Columnar
# container to load data by columns.
#
# When a field is has not yet been loaded, that data will be loaded for all
# types in the container before forwarding the message to MIME::Type.
#
# More information can be found in MIME::Types::Columnar.
#
# MIME::Type::Columnar is *not* intended to be created except by
# MIME::Types::Columnar containers.
class MIME::Type::Columnar < MIME::Type
def initialize(container, content_type, extensions) # :nodoc:
@container = container
self.content_type = content_type
self.extensions = extensions
end
def self.column(*methods, file: nil) # :nodoc:
file ||= methods.first
file_method = :"load_#{file}"
methods.each do |m|
define_method m do |*args|
@container.send(file_method)
super(*args)
end
end
end
column :friendly
column :encoding, :encoding=
column :docs, :docs=
column :preferred_extension, :preferred_extension=
column :obsolete, :obsolete=, :obsolete?, :registered, :registered=, :registered?, :signature, :signature=,
:signature?, :provisional, :provisional=, :provisional?, file: "flags"
column :xrefs, :xrefs=, :xref_urls
column :use_instead, :use_instead=
column :extension_priorities, :extension_priorities=
def encode_with(coder) # :nodoc:
@container.send(:load_friendly)
@container.send(:load_encoding)
@container.send(:load_docs)
@container.send(:load_flags)
@container.send(:load_use_instead)
@container.send(:load_xrefs)
@container.send(:load_preferred_extension)
@container.send(:load_extension_priorities)
super
end
def update_sort_priority
if @container.__fully_loaded?
super
else
obsolete = (@__sort_priority & (1 << 7)) != 0
registered = (@__sort_priority & (1 << 5)) == 0
@__priority_penalty = (@obsolete ? 3 : 0) + (@registered ? 0 : 2)
end
end
class << self
undef column
end
end
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