# frozen_string_literal: false

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require 'rss/2.0'

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module RSS

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# The prefix for the iTunes XML namespace.

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ITUNES_PREFIX = 'itunes'

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# The URI of the iTunes specification.

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ITUNES_URI = 'http://www.itunes.com/dtds/podcast-1.0.dtd'

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Rss.install_ns(ITUNES_PREFIX, ITUNES_URI)

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module ITunesModelUtils

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include Utils

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def def_class_accessor(klass, name, type, *args)

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normalized_name = name.gsub(/-/, "_")

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full_name = "#{ITUNES_PREFIX}_#{normalized_name}"

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klass_name = "ITunes#{Utils.to_class_name(normalized_name)}"

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case type

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when :element, :attribute

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klass::ELEMENTS << full_name

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def_element_class_accessor(klass, name, full_name, klass_name, *args)

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when :elements

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klass::ELEMENTS << full_name

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def_elements_class_accessor(klass, name, full_name, klass_name, *args)

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else

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klass.install_must_call_validator(ITUNES_PREFIX, ITUNES_URI)

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klass.install_text_element(normalized_name, ITUNES_URI, "?",

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full_name, type, name)

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end

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end

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def def_element_class_accessor(klass, name, full_name, klass_name,

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recommended_attribute_name=nil)

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klass.install_have_child_element(name, ITUNES_PREFIX, "?", full_name)

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end

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def def_elements_class_accessor(klass, name, full_name, klass_name,

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plural_name, recommended_attribute_name=nil)

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full_plural_name = "#{ITUNES_PREFIX}_#{plural_name}"

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klass.install_have_children_element(name, ITUNES_PREFIX, "*",

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full_name, full_plural_name)

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end

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end

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module ITunesBaseModel

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extend ITunesModelUtils

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ELEMENTS = []

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ELEMENT_INFOS = [["author"],

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["block", :yes_other],

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["explicit", :explicit_clean_other],

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["keywords", :csv],

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["subtitle"],

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["summary"]]

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end

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module ITunesChannelModel

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extend BaseModel

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extend ITunesModelUtils

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include ITunesBaseModel

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ELEMENTS = []

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class << self

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def append_features(klass)

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super

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return if klass.instance_of?(Module)

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ELEMENT_INFOS.each do |name, type, *additional_infos|

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def_class_accessor(klass, name, type, *additional_infos)

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end

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end

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end

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ELEMENT_INFOS = [

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["category", :elements, "categories", "text"],

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["image", :attribute, "href"],

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["owner", :element],

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["new-feed-url"],

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] + ITunesBaseModel::ELEMENT_INFOS

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class ITunesCategory < Element

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include RSS09

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@tag_name = "category"

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class << self

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def required_prefix

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ITUNES_PREFIX

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end

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def required_uri

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ITUNES_URI

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end

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end

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[

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["text", "", true]

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].each do |name, uri, required|

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install_get_attribute(name, uri, required)

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end

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ITunesCategory = self

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install_have_children_element("category", ITUNES_URI, "*",

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"#{ITUNES_PREFIX}_category",

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"#{ITUNES_PREFIX}_categories")

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def initialize(*args)

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if Utils.element_initialize_arguments?(args)

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super

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else

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super()

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self.text = args[0]

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end

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end

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def full_name

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tag_name_with_prefix(ITUNES_PREFIX)

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end

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private

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def maker_target(categories)

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if text or !itunes_categories.empty?

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categories.new_category

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else

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nil

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end

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end

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def setup_maker_attributes(category)

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category.text = text if text

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end

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def setup_maker_elements(category)

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super(category)

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itunes_categories.each do |sub_category|

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sub_category.setup_maker(category)

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end

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end

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end

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class ITunesImage < Element

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include RSS09

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@tag_name = "image"

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class << self

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def required_prefix

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ITUNES_PREFIX

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end

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def required_uri

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ITUNES_URI

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end

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end

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[

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["href", "", true]

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].each do |name, uri, required|

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install_get_attribute(name, uri, required)

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end

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def initialize(*args)

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if Utils.element_initialize_arguments?(args)

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super

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else

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super()

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self.href = args[0]

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end

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end

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def full_name

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tag_name_with_prefix(ITUNES_PREFIX)

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end

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private

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def maker_target(target)

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if href

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target.itunes_image {|image| image}

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else

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nil

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end

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end

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def setup_maker_attributes(image)

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image.href = href

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end

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end

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class ITunesOwner < Element

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include RSS09

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@tag_name = "owner"

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class << self

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def required_prefix

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ITUNES_PREFIX

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end

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def required_uri

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ITUNES_URI

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end

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end

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install_must_call_validator(ITUNES_PREFIX, ITUNES_URI)

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[

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["name"],

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["email"],

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].each do |name,|

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ITunesBaseModel::ELEMENT_INFOS << name

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install_text_element(name, ITUNES_URI, nil, "#{ITUNES_PREFIX}_#{name}")

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end

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def initialize(*args)

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if Utils.element_initialize_arguments?(args)

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super

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else

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super()

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self.itunes_name = args[0]

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self.itunes_email = args[1]

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end

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end

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def full_name

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tag_name_with_prefix(ITUNES_PREFIX)

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end

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private

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def maker_target(target)

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target.itunes_owner

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end

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def setup_maker_element(owner)

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super(owner)

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owner.itunes_name = itunes_name

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owner.itunes_email = itunes_email

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end

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end

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end

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module ITunesItemModel

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extend BaseModel

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extend ITunesModelUtils

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include ITunesBaseModel

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class << self

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def append_features(klass)

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super

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return if klass.instance_of?(Module)

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ELEMENT_INFOS.each do |name, type|

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def_class_accessor(klass, name, type)

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end

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end

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end

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ELEMENT_INFOS = ITunesBaseModel::ELEMENT_INFOS +

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[["duration", :element, "content"]]

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class ITunesDuration < Element

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include RSS09

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@tag_name = "duration"

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class << self

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def required_prefix

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ITUNES_PREFIX

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end

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def required_uri

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ITUNES_URI

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end

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def parse(duration, do_validate=true)

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if do_validate and /\A(?:

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\d?\d:[0-5]\d:[0-5]\d|

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[0-5]?\d:[0-5]\d|

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\d+

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)\z/x !~ duration

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raise ArgumentError,

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"must be one of HH:MM:SS, H:MM:SS, MM:SS, M:SS, S+: " +

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duration.inspect

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end

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if duration.include?(':')

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components = duration.split(':')

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components[3..-1] = nil if components.size > 3

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components.unshift("00") until components.size == 3

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components.collect do |component|

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component.to_i

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end

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else

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seconds_to_components(duration.to_i)

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end

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end

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def construct(hours, minutes, seconds)

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components = [minutes, seconds]

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if components.include?(nil)

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nil

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else

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components.unshift(hours) if hours and hours > 0

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components.collect do |component|

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"%02d" % component

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end.join(':')

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end

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end

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private

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def seconds_to_components(total_seconds)

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hours = total_seconds / (60 * 60)

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minutes = (total_seconds / 60) % 60

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seconds = total_seconds % 60

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[hours, minutes, seconds]

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end

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end

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content_setup

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alias_method(:value, :content)

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remove_method(:content=)

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attr_reader :hour, :minute, :second

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def initialize(*args)

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if Utils.element_initialize_arguments?(args)

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super

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else

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super()

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args = args[0] if args.size == 1 and args[0].is_a?(Array)

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if args.size == 1

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self.content = args[0]

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elsif args.size > 3

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raise ArgumentError,

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"must be (do_validate, params), (content), " +

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"(minute, second), ([minute, second]), " +

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"(hour, minute, second) or ([hour, minute, second]): " +

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args.inspect

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else

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@second, @minute, @hour = args.reverse

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update_content

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end

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end

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end

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def content=(value)

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if value.nil?

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@content = nil

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elsif value.is_a?(self.class)

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self.content = value.content

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else

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begin

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@hour, @minute, @second = self.class.parse(value, @do_validate)

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rescue ArgumentError

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raise NotAvailableValueError.new(tag_name, value)

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end

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@content = value

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end

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end

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alias_method(:value=, :content=)

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def hour=(hour)

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@hour = @do_validate ? Integer(hour) : hour.to_i

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update_content

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hour

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end

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def minute=(minute)

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@minute = @do_validate ? Integer(minute) : minute.to_i

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update_content

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minute

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end

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def second=(second)

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@second = @do_validate ? Integer(second) : second.to_i

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update_content

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second

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end

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def full_name

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tag_name_with_prefix(ITUNES_PREFIX)

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end

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private

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def update_content

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@content = self.class.construct(hour, minute, second)

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end

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def maker_target(target)

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if @content

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target.itunes_duration {|duration| duration}

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else

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nil

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end

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end

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def setup_maker_element(duration)

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super(duration)

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duration.content = @content

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end

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end

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end

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class Rss

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class Channel

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include ITunesChannelModel

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class Item; include ITunesItemModel; end

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end

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end

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element_infos =

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ITunesChannelModel::ELEMENT_INFOS + ITunesItemModel::ELEMENT_INFOS

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element_infos.each do |name, type|

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case type

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when :element, :elements, :attribute

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class_name = Utils.to_class_name(name)

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BaseListener.install_class_name(ITUNES_URI, name, "ITunes#{class_name}")

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else

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accessor_base = "#{ITUNES_PREFIX}_#{name.gsub(/-/, '_')}"

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BaseListener.install_get_text_element(ITUNES_URI, name, accessor_base)

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end

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end

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end

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