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authorJari Vetoniemi <jari.vetoniemi@indooratlas.com>2020-03-16 18:49:26 +0900
committerJari Vetoniemi <jari.vetoniemi@indooratlas.com>2020-03-30 00:39:06 +0900
commitfcbf63e62c627deae76c1b8cb8c0876c536ed811 (patch)
tree64cb17de3f41a2b6fef2368028fbd00349946994 /jni/ruby/lib/rss/image.rb
Fresh start
Diffstat (limited to 'jni/ruby/lib/rss/image.rb')
-rw-r--r--jni/ruby/lib/rss/image.rb197
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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+++ b/jni/ruby/lib/rss/image.rb
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+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