Fresh start

1 files changed, 197 insertions, 0 deletions

diff --git a/jni/ruby/lib/rss/image.rb b/jni/ruby/lib/rss/image.rb
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index 0000000..b061914
--- /dev/null
+++ b/jni/ruby/lib/rss/image.rb
@@ -0,0 +1,197 @@
+require 'rss/1.0'
+require 'rss/dublincore'
+
+module RSS
+
+  # The prefix for the Image XML namespace.
+  IMAGE_PREFIX = 'image'
+  # The URI for the Image specification.
+  IMAGE_URI = 'http://purl.org/rss/1.0/modules/image/'
+
+  RDF.install_ns(IMAGE_PREFIX, IMAGE_URI)
+
+  # This constant holds strings which contain the names of
+  # image elements, with the appropriate prefix.
+  IMAGE_ELEMENTS = []
+
+  %w(item favicon).each do |name|
+    class_name = Utils.to_class_name(name)
+    BaseListener.install_class_name(IMAGE_URI, name, "Image#{class_name}")
+    IMAGE_ELEMENTS << "#{IMAGE_PREFIX}_#{name}"
+  end
+
+  module ImageModelUtils
+    def validate_one_tag_name(ignore_unknown_element, name, tags)
+      if !ignore_unknown_element
+        invalid = tags.find {|tag| tag != name}
+        raise UnknownTagError.new(invalid, IMAGE_URI) if invalid
+      end
+      raise TooMuchTagError.new(name, tag_name) if tags.size > 1
+    end
+  end
+
+  module ImageItemModel
+    include ImageModelUtils
+    extend BaseModel
+
+    def self.append_features(klass)
+      super
+
+      klass.install_have_child_element("item", IMAGE_URI, "?",
+                                       "#{IMAGE_PREFIX}_item")
+      klass.install_must_call_validator(IMAGE_PREFIX, IMAGE_URI)
+    end
+
+    class ImageItem < Element
+      include RSS10
+      include DublinCoreModel
+
+      @tag_name = "item"
+
+      class << self
+        def required_prefix
+          IMAGE_PREFIX
+        end
+
+        def required_uri
+          IMAGE_URI
+        end
+      end
+
+      install_must_call_validator(IMAGE_PREFIX, IMAGE_URI)
+
+      [
+        ["about", ::RSS::RDF::URI, true],
+        ["resource", ::RSS::RDF::URI, false],
+      ].each do |name, uri, required|
+        install_get_attribute(name, uri, required, nil, nil,
+                              "#{::RSS::RDF::PREFIX}:#{name}")
+      end
+
+      %w(width height).each do |tag|
+        full_name = "#{IMAGE_PREFIX}_#{tag}"
+        disp_name = "#{IMAGE_PREFIX}:#{tag}"
+        install_text_element(tag, IMAGE_URI, "?",
+                             full_name, :integer, disp_name)
+        BaseListener.install_get_text_element(IMAGE_URI, tag, full_name)
+      end
+
+      alias width= image_width=
+      alias width image_width
+      alias height= image_height=
+      alias height image_height
+
+      def initialize(*args)
+        if Utils.element_initialize_arguments?(args)
+          super
+        else
+          super()
+          self.about = args[0]
+          self.resource = args[1]
+        end
+      end
+
+      def full_name
+        tag_name_with_prefix(IMAGE_PREFIX)
+      end
+
+      private
+      def maker_target(target)
+        target.image_item
+      end
+
+      def setup_maker_attributes(item)
+        item.about = self.about
+        item.resource = self.resource
+      end
+    end
+  end
+
+  module ImageFaviconModel
+    include ImageModelUtils
+    extend BaseModel
+
+    def self.append_features(klass)
+      super
+
+      unless klass.class == Module
+        klass.install_have_child_element("favicon", IMAGE_URI, "?",
+                                         "#{IMAGE_PREFIX}_favicon")
+        klass.install_must_call_validator(IMAGE_PREFIX, IMAGE_URI)
+      end
+    end
+
+    class ImageFavicon < Element
+      include RSS10
+      include DublinCoreModel
+
+      @tag_name = "favicon"
+
+      class << self
+        def required_prefix
+          IMAGE_PREFIX
+        end
+
+        def required_uri
+          IMAGE_URI
+        end
+      end
+
+      [
+        ["about", ::RSS::RDF::URI, true, ::RSS::RDF::PREFIX],
+        ["size", IMAGE_URI, true, IMAGE_PREFIX],
+      ].each do |name, uri, required, prefix|
+        install_get_attribute(name, uri, required, nil, nil,
+                              "#{prefix}:#{name}")
+      end
+
+      AVAILABLE_SIZES = %w(small medium large)
+      alias_method :set_size, :size=
+      private :set_size
+      def size=(new_value)
+        if @do_validate and !new_value.nil?
+          new_value = new_value.strip
+          unless AVAILABLE_SIZES.include?(new_value)
+            attr_name = "#{IMAGE_PREFIX}:size"
+            raise NotAvailableValueError.new(full_name, new_value, attr_name)
+          end
+        end
+        set_size(new_value)
+      end
+
+      alias image_size= size=
+      alias image_size size
+
+      def initialize(*args)
+        if Utils.element_initialize_arguments?(args)
+          super
+        else
+          super()
+          self.about = args[0]
+          self.size = args[1]
+        end
+      end
+
+      def full_name
+        tag_name_with_prefix(IMAGE_PREFIX)
+      end
+
+      private
+      def maker_target(target)
+        target.image_favicon
+      end
+
+      def setup_maker_attributes(favicon)
+        favicon.about = self.about
+        favicon.size = self.size
+      end
+    end
+
+  end
+
+  class RDF
+    class Channel; include ImageFaviconModel; end
+    class Item; include ImageItemModel; end
+  end
+
+end