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require "rss/1.0"
require "rss/dublincore"
module RSS
TAXO_PREFIX = "taxo"
TAXO_URI = "http://purl.org/rss/1.0/modules/taxonomy/"
RDF.install_ns(TAXO_PREFIX, TAXO_URI)
TAXO_ELEMENTS = []
%w(link).each do |name|
full_name = "#{TAXO_PREFIX}_#{name}"
BaseListener.install_get_text_element(TAXO_URI, name, full_name)
TAXO_ELEMENTS << "#{TAXO_PREFIX}_#{name}"
end
%w(topic topics).each do |name|
class_name = Utils.to_class_name(name)
BaseListener.install_class_name(TAXO_URI, name, "Taxonomy#{class_name}")
TAXO_ELEMENTS << "#{TAXO_PREFIX}_#{name}"
end
module TaxonomyTopicsModel
extend BaseModel
def self.append_features(klass)
super
klass.install_must_call_validator(TAXO_PREFIX, TAXO_URI)
%w(topics).each do |name|
klass.install_have_child_element(name, TAXO_URI, "?",
"#{TAXO_PREFIX}_#{name}")
end
end
class TaxonomyTopics < Element
include RSS10
Bag = ::RSS::RDF::Bag
class << self
def required_prefix
TAXO_PREFIX
end
def required_uri
TAXO_URI
end
end
@tag_name = "topics"
install_have_child_element("Bag", RDF::URI, nil)
install_must_call_validator('rdf', RDF::URI)
def initialize(*args)
if Utils.element_initialize_arguments?(args)
super
else
super()
self.Bag = args[0]
end
self.Bag ||= Bag.new
end
def full_name
tag_name_with_prefix(TAXO_PREFIX)
end
def maker_target(target)
target.taxo_topics
end
def resources
if @Bag
@Bag.lis.collect do |li|
li.resource
end
else
[]
end
end
end
end
module TaxonomyTopicModel
extend BaseModel
def self.append_features(klass)
super
var_name = "#{TAXO_PREFIX}_topic"
klass.install_have_children_element("topic", TAXO_URI, "*", var_name)
end
class TaxonomyTopic < Element
include RSS10
include DublinCoreModel
include TaxonomyTopicsModel
class << self
def required_prefix
TAXO_PREFIX
end
def required_uri
TAXO_URI
end
end
@tag_name = "topic"
install_get_attribute("about", ::RSS::RDF::URI, true, nil, nil,
"#{RDF::PREFIX}:about")
install_text_element("link", TAXO_URI, "?", "#{TAXO_PREFIX}_link")
def initialize(*args)
if Utils.element_initialize_arguments?(args)
super
else
super()
self.about = args[0]
end
end
def full_name
tag_name_with_prefix(TAXO_PREFIX)
end
def maker_target(target)
target.new_taxo_topic
end
end
end
class RDF
include TaxonomyTopicModel
class Channel
include TaxonomyTopicsModel
end
class Item; include TaxonomyTopicsModel; end
end
end
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