# frozen_string_literal: false

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require_relative "parser"

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module RSS

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##

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# = RSS 0.9 support

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#

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# RSS has three different versions. This module contains support for version

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# 0.9.1[http://www.rssboard.org/rss-0-9-1-netscape].

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#

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# == Producing RSS 0.9

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#

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# Producing our own RSS feeds is easy as well. Let's make a very basic feed:

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#

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# require "rss"

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#

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# rss = RSS::Maker.make("0.91") do |maker|

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# maker.channel.language = "en"

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# maker.channel.author = "matz"

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# maker.channel.updated = Time.now.to_s

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# maker.channel.link = "http://www.ruby-lang.org/en/feeds/news.rss"

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# maker.channel.title = "Example Feed"

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# maker.channel.description = "A longer description of my feed."

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# maker.image.url = "http://www.ruby-lang.org/images/logo.gif"

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# maker.image.title = "An image"

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# maker.items.new_item do |item|

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# item.link = "http://www.ruby-lang.org/en/news/2010/12/25/ruby-1-9-2-p136-is-released/"

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# item.title = "Ruby 1.9.2-p136 is released"

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# item.updated = Time.now.to_s

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# end

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# end

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#

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# puts rss

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#

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# As you can see, this is a very Builder-like DSL. This code will spit out an

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# RSS 0.9 feed with one item. If we needed a second item, we'd make another

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# block with maker.items.new_item and build a second one.

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module RSS09

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NSPOOL = {}

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ELEMENTS = []

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def self.append_features(klass)

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super

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klass.install_must_call_validator('', "")

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end

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end

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class Rss < Element

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include RSS09

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include RootElementMixin

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%w(channel).each do |name|

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install_have_child_element(name, "", nil)

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end

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attr_writer :feed_version

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alias_method(:rss_version, :feed_version)

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alias_method(:rss_version=, :feed_version=)

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def initialize(feed_version, version=nil, encoding=nil, standalone=nil)

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super

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@feed_type = "rss"

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end

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def items

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if @channel

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@channel.items

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else

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[]

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end

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end

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def image

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if @channel

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@channel.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 textinput

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if @channel

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@channel.textInput

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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_elements(maker)

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super

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items.each do |item|

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item.setup_maker(maker.items)

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end

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image.setup_maker(maker) if image

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textinput.setup_maker(maker) if textinput

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end

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private

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def _attrs

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[

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["version", true, "feed_version"],

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]

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end

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class Channel < Element

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include RSS09

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[

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["title", nil, :text],

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["link", nil, :text],

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["description", nil, :text],

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["language", nil, :text],

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["copyright", "?", :text],

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["managingEditor", "?", :text],

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["webMaster", "?", :text],

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["rating", "?", :text],

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["pubDate", "?", :date, :rfc822],

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["lastBuildDate", "?", :date, :rfc822],

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["docs", "?", :text],

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["cloud", "?", :have_attribute],

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["skipDays", "?", :have_child],

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["skipHours", "?", :have_child],

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["image", nil, :have_child],

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["item", "*", :have_children],

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["textInput", "?", :have_child],

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].each do |name, occurs, type, *args|

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__send__("install_#{type}_element", name, "", occurs, name, *args)

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end

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alias date pubDate

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alias date= pubDate=

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private

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def maker_target(maker)

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maker.channel

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end

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def setup_maker_elements(channel)

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super

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[

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[skipDays, "day"],

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[skipHours, "hour"],

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].each do |skip, key|

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if skip

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skip.__send__("#{key}s").each do |val|

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target_skips = channel.__send__("skip#{key.capitalize}s")

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new_target = target_skips.__send__("new_#{key}")

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new_target.content = val.content

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end

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end

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end

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end

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def not_need_to_call_setup_maker_variables

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%w(image textInput)

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end

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class SkipDays < Element

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include RSS09

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[

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["day", "*"]

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].each do |name, occurs|

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install_have_children_element(name, "", occurs)

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end

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class Day < Element

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include RSS09

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content_setup

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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.content = args[0]

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end

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end

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end

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end

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class SkipHours < Element

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include RSS09

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[

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["hour", "*"]

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].each do |name, occurs|

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install_have_children_element(name, "", occurs)

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end

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class Hour < Element

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include RSS09

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content_setup(:integer)

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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.content = args[0]

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end

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end

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end

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end

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class Image < Element

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include RSS09

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%w(url title link).each do |name|

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install_text_element(name, "", nil)

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end

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[

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["width", :integer],

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["height", :integer],

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["description"],

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].each do |name, type|

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install_text_element(name, "", "?", name, type)

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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.url = args[0]

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self.title = args[1]

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self.link = args[2]

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self.width = args[3]

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self.height = args[4]

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self.description = args[5]

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end

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end

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private

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def maker_target(maker)

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maker.image

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end

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end

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class Cloud < Element

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include RSS09

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[

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["domain", "", true],

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["port", "", true, :integer],

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["path", "", true],

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["registerProcedure", "", true],

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["protocol", "", true],

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].each do |name, uri, required, type|

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install_get_attribute(name, uri, required, type)

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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.domain = args[0]

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self.port = args[1]

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self.path = args[2]

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self.registerProcedure = args[3]

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self.protocol = args[4]

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end

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end

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end

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class Item < Element

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include RSS09

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[

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["title", '?', :text],

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["link", '?', :text],

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["description", '?', :text],

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["category", '*', :have_children, "categories"],

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["source", '?', :have_child],

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["enclosure", '?', :have_child],

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].each do |tag, occurs, type, *args|

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__send__("install_#{type}_element", tag, "", occurs, tag, *args)

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end

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private

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def maker_target(items)

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if items.respond_to?("items")

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# For backward compatibility

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items = items.items

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end

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items.new_item

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end

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def setup_maker_element(item)

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super

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@enclosure.setup_maker(item) if @enclosure

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@source.setup_maker(item) if @source

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end

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class Source < Element

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include RSS09

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[

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["url", "", 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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content_setup

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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.url = args[0]

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self.content = args[1]

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end

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end

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private

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def maker_target(item)

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item.source

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end

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def setup_maker_attributes(source)

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source.url = url

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source.content = content

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end

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end

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class Enclosure < Element

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include RSS09

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[

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["url", "", true],

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["length", "", true, :integer],

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["type", "", true],

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].each do |name, uri, required, type|

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install_get_attribute(name, uri, required, type)

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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.url = args[0]

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self.length = args[1]

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self.type = args[2]

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end

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end

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private

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def maker_target(item)

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item.enclosure

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end

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def setup_maker_attributes(enclosure)

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enclosure.url = url

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enclosure.length = length

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enclosure.type = type

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end

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end

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class Category < Element

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include RSS09

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[

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["domain", "", false]

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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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content_setup

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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.domain = args[0]

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self.content = args[1]

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end

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end

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private

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def maker_target(item)

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item.new_category

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end

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def setup_maker_attributes(category)

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category.domain = domain

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category.content = content

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end

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end

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end

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class TextInput < Element

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include RSS09

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%w(title description name link).each do |name|

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install_text_element(name, "", nil)

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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.title = args[0]

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self.description = args[1]

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self.name = args[2]

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self.link = args[3]

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end

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end

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private

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def maker_target(maker)

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maker.textinput

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end

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end

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end

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end

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RSS09::ELEMENTS.each do |name|

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BaseListener.install_get_text_element("", name, name)

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end

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module ListenerMixin

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private

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def initial_start_rss(tag_name, prefix, attrs, ns)

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check_ns(tag_name, prefix, ns, "", false)

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@rss = Rss.new(attrs['version'], @version, @encoding, @standalone)

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@rss.do_validate = @do_validate

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@rss.xml_stylesheets = @xml_stylesheets

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@last_element = @rss

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pr = Proc.new do |text, tags|

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@rss.validate_for_stream(tags, @ignore_unknown_element) if @do_validate

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end

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@proc_stack.push(pr)

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end

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end

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end

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