Fresh start

1 files changed, 412 insertions, 0 deletions

diff --git a/jni/ruby/lib/rss/itunes.rb b/jni/ruby/lib/rss/itunes.rb
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+++ b/jni/ruby/lib/rss/itunes.rb
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+require 'rss/2.0'
+
+module RSS
+  # The prefix for the iTunes XML namespace.
+  ITUNES_PREFIX = 'itunes'
+  # The URI of the iTunes specification.
+  ITUNES_URI = 'http://www.itunes.com/dtds/podcast-1.0.dtd'
+
+  Rss.install_ns(ITUNES_PREFIX, ITUNES_URI)
+
+  module ITunesModelUtils
+    include Utils
+
+    def def_class_accessor(klass, name, type, *args)
+        normalized_name = name.gsub(/-/, "_")
+      full_name = "#{ITUNES_PREFIX}_#{normalized_name}"
+      klass_name = "ITunes#{Utils.to_class_name(normalized_name)}"
+
+      case type
+      when :element, :attribute
+        klass::ELEMENTS << full_name
+        def_element_class_accessor(klass, name, full_name, klass_name, *args)
+      when :elements
+        klass::ELEMENTS << full_name
+        def_elements_class_accessor(klass, name, full_name, klass_name, *args)
+      else
+        klass.install_must_call_validator(ITUNES_PREFIX, ITUNES_URI)
+        klass.install_text_element(normalized_name, ITUNES_URI, "?",
+                                   full_name, type, name)
+      end
+    end
+
+    def def_element_class_accessor(klass, name, full_name, klass_name,
+                                   recommended_attribute_name=nil)
+      klass.install_have_child_element(name, ITUNES_PREFIX, "?", full_name)
+    end
+
+    def def_elements_class_accessor(klass, name, full_name, klass_name,
+                                    plural_name, recommended_attribute_name=nil)
+      full_plural_name = "#{ITUNES_PREFIX}_#{plural_name}"
+      klass.install_have_children_element(name, ITUNES_PREFIX, "*",
+                                          full_name, full_plural_name)
+    end
+  end
+
+  module ITunesBaseModel
+    extend ITunesModelUtils
+
+    ELEMENTS = []
+
+    ELEMENT_INFOS = [["author"],
+                     ["block", :yes_other],
+                     ["explicit", :yes_clean_other],
+                     ["keywords", :csv],
+                     ["subtitle"],
+                     ["summary"]]
+  end
+
+  module ITunesChannelModel
+    extend BaseModel
+    extend ITunesModelUtils
+    include ITunesBaseModel
+
+    ELEMENTS = []
+
+    class << self
+      def append_features(klass)
+        super
+
+        return if klass.instance_of?(Module)
+        ELEMENT_INFOS.each do |name, type, *additional_infos|
+          def_class_accessor(klass, name, type, *additional_infos)
+        end
+      end
+    end
+
+    ELEMENT_INFOS = [
+                     ["category", :elements, "categories", "text"],
+                     ["image", :attribute, "href"],
+                     ["owner", :element],
+                     ["new-feed-url"],
+                    ] + ITunesBaseModel::ELEMENT_INFOS
+
+    class ITunesCategory < Element
+      include RSS09
+
+      @tag_name = "category"
+
+      class << self
+        def required_prefix
+          ITUNES_PREFIX
+        end
+
+        def required_uri
+          ITUNES_URI
+        end
+      end
+
+      [
+        ["text", "", true]
+      ].each do |name, uri, required|
+        install_get_attribute(name, uri, required)
+      end
+
+      ITunesCategory = self
+      install_have_children_element("category", ITUNES_URI, "*",
+                                    "#{ITUNES_PREFIX}_category",
+                                    "#{ITUNES_PREFIX}_categories")
+
+      def initialize(*args)
+        if Utils.element_initialize_arguments?(args)
+          super
+        else
+          super()
+          self.text = args[0]
+        end
+      end
+
+      def full_name
+        tag_name_with_prefix(ITUNES_PREFIX)
+      end
+
+      private
+      def maker_target(categories)
+        if text or !itunes_categories.empty?
+          categories.new_category
+        else
+          nil
+        end
+      end
+
+      def setup_maker_attributes(category)
+        category.text = text if text
+      end
+
+      def setup_maker_elements(category)
+        super(category)
+        itunes_categories.each do |sub_category|
+          sub_category.setup_maker(category)
+        end
+      end
+    end
+
+    class ITunesImage < Element
+      include RSS09
+
+      @tag_name = "image"
+
+      class << self
+        def required_prefix
+          ITUNES_PREFIX
+        end
+
+        def required_uri
+          ITUNES_URI
+        end
+      end
+
+      [
+        ["href", "", true]
+      ].each do |name, uri, required|
+        install_get_attribute(name, uri, required)
+      end
+
+      def initialize(*args)
+        if Utils.element_initialize_arguments?(args)
+          super
+        else
+          super()
+          self.href = args[0]
+        end
+      end
+
+      def full_name
+        tag_name_with_prefix(ITUNES_PREFIX)
+      end
+
+      private
+      def maker_target(target)
+        if href
+          target.itunes_image {|image| image}
+        else
+          nil
+        end
+      end
+
+      def setup_maker_attributes(image)
+        image.href = href
+      end
+    end
+
+    class ITunesOwner < Element
+      include RSS09
+
+      @tag_name = "owner"
+
+      class << self
+        def required_prefix
+          ITUNES_PREFIX
+        end
+
+        def required_uri
+          ITUNES_URI
+        end
+      end
+
+      install_must_call_validator(ITUNES_PREFIX, ITUNES_URI)
+      [
+        ["name"],
+        ["email"],
+      ].each do |name,|
+        ITunesBaseModel::ELEMENT_INFOS << name
+        install_text_element(name, ITUNES_URI, nil, "#{ITUNES_PREFIX}_#{name}")
+      end
+
+      def initialize(*args)
+        if Utils.element_initialize_arguments?(args)
+          super
+        else
+          super()
+          self.itunes_name = args[0]
+          self.itunes_email = args[1]
+        end
+      end
+
+      def full_name
+        tag_name_with_prefix(ITUNES_PREFIX)
+      end
+
+      private
+      def maker_target(target)
+        target.itunes_owner
+      end
+
+      def setup_maker_element(owner)
+        super(owner)
+        owner.itunes_name = itunes_name
+        owner.itunes_email = itunes_email
+      end
+    end
+  end
+
+  module ITunesItemModel
+    extend BaseModel
+    extend ITunesModelUtils
+    include ITunesBaseModel
+
+    class << self
+      def append_features(klass)
+        super
+
+        return if klass.instance_of?(Module)
+        ELEMENT_INFOS.each do |name, type|
+          def_class_accessor(klass, name, type)
+        end
+      end
+    end
+
+    ELEMENT_INFOS = ITunesBaseModel::ELEMENT_INFOS +
+      [["duration", :element, "content"]]
+
+    class ITunesDuration < Element
+      include RSS09
+
+      @tag_name = "duration"
+
+      class << self
+        def required_prefix
+          ITUNES_PREFIX
+        end
+
+        def required_uri
+          ITUNES_URI
+        end
+
+        def parse(duration, do_validate=true)
+          if do_validate and /\A(?:
+                                  \d?\d:[0-5]\d:[0-5]\d|
+                                  [0-5]?\d:[0-5]\d
+                                )\z/x !~ duration
+            raise ArgumentError,
+                    "must be one of HH:MM:SS, H:MM:SS, MM::SS, M:SS: " +
+                    duration.inspect
+          end
+
+          components = duration.split(':')
+          components[3..-1] = nil if components.size > 3
+
+          components.unshift("00") until components.size == 3
+
+          components.collect do |component|
+            component.to_i
+          end
+        end
+
+        def construct(hour, minute, second)
+          components = [minute, second]
+          if components.include?(nil)
+            nil
+          else
+            components.unshift(hour) if hour and hour > 0
+            components.collect do |component|
+              "%02d" % component
+            end.join(":")
+          end
+        end
+      end
+
+      content_setup
+      alias_method(:value, :content)
+      remove_method(:content=)
+
+      attr_reader :hour, :minute, :second
+      def initialize(*args)
+        if Utils.element_initialize_arguments?(args)
+          super
+        else
+          super()
+          args = args[0] if args.size == 1 and args[0].is_a?(Array)
+          if args.size == 1
+            self.content = args[0]
+          elsif args.size > 3
+            raise ArgumentError,
+                    "must be (do_validate, params), (content), " +
+                    "(minute, second), ([minute, second]), "  +
+                    "(hour, minute, second) or ([hour, minute, second]): " +
+                    args.inspect
+          else
+            @second, @minute, @hour = args.reverse
+            update_content
+          end
+        end
+      end
+
+      def content=(value)
+        if value.nil?
+          @content = nil
+        elsif value.is_a?(self.class)
+          self.content = value.content
+        else
+          begin
+            @hour, @minute, @second = self.class.parse(value, @do_validate)
+          rescue ArgumentError
+            raise NotAvailableValueError.new(tag_name, value)
+          end
+          @content = value
+        end
+      end
+      alias_method(:value=, :content=)
+
+      def hour=(hour)
+        @hour = @do_validate ? Integer(hour) : hour.to_i
+        update_content
+        hour
+      end
+
+      def minute=(minute)
+        @minute = @do_validate ? Integer(minute) : minute.to_i
+        update_content
+        minute
+      end
+
+      def second=(second)
+        @second = @do_validate ? Integer(second) : second.to_i
+        update_content
+        second
+      end
+
+      def full_name
+        tag_name_with_prefix(ITUNES_PREFIX)
+      end
+
+      private
+      def update_content
+        @content = self.class.construct(hour, minute, second)
+      end
+
+      def maker_target(target)
+        if @content
+          target.itunes_duration {|duration| duration}
+        else
+          nil
+        end
+      end
+
+      def setup_maker_element(duration)
+        super(duration)
+        duration.content = @content
+      end
+    end
+  end
+
+  class Rss
+    class Channel
+      include ITunesChannelModel
+      class Item; include ITunesItemModel; end
+    end
+  end
+
+  element_infos =
+    ITunesChannelModel::ELEMENT_INFOS + ITunesItemModel::ELEMENT_INFOS
+  element_infos.each do |name, type|
+    case type
+    when :element, :elements, :attribute
+      class_name = Utils.to_class_name(name)
+      BaseListener.install_class_name(ITUNES_URI, name, "ITunes#{class_name}")
+    else
+      accessor_base = "#{ITUNES_PREFIX}_#{name.gsub(/-/, '_')}"
+      BaseListener.install_get_text_element(ITUNES_URI, name, accessor_base)
+    end
+  end
+end