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require 'rss/dublincore'
require 'rss/maker/1.0'
module RSS
module Maker
module DublinCoreModel
def self.append_features(klass)
super
::RSS::DublinCoreModel::ELEMENT_NAME_INFOS.each do |name, plural_name|
plural_name ||= "#{name}s"
full_name = "#{RSS::DC_PREFIX}_#{name}"
full_plural_name = "#{RSS::DC_PREFIX}_#{plural_name}"
klass_name = Utils.to_class_name(name)
plural_klass_name = "DublinCore#{Utils.to_class_name(plural_name)}"
full_plural_klass_name = "self.class::#{plural_klass_name}"
full_klass_name = "#{full_plural_klass_name}::#{klass_name}"
klass.add_need_initialize_variable(full_plural_name,
"make_#{full_plural_name}")
klass.add_other_element(full_plural_name)
klass.module_eval(<<-EOC, __FILE__, __LINE__+1)
attr_accessor :#{full_plural_name}
def make_#{full_plural_name}
#{full_plural_klass_name}.new(@maker)
end
def setup_#{full_plural_name}(rss, current)
@#{full_plural_name}.to_rss(rss, current)
end
def #{full_name}
@#{full_plural_name}[0] and @#{full_plural_name}[0].value
end
def #{full_name}=(new_value)
@#{full_plural_name}[0] = #{full_klass_name}.new(self)
@#{full_plural_name}[0].value = new_value
end
EOC
end
end
::RSS::DublinCoreModel::ELEMENT_NAME_INFOS.each do |name, plural_name|
plural_name ||= "#{name}s"
klass_name = Utils.to_class_name(name)
plural_klass_name = "DublinCore#{Utils.to_class_name(plural_name)}"
module_eval(<<-EOC, __FILE__, __LINE__)
class #{plural_klass_name}Base
include Base
def_array_element(#{plural_name.dump})
def new_#{name}
#{name} = self.class::#{klass_name}.new(self)
@#{plural_name} << #{name}
if block_given?
yield #{name}
else
#{name}
end
end
def to_rss(rss, current)
@#{plural_name}.each do |#{name}|
#{name}.to_rss(rss, current)
end
end
class #{klass_name}Base
include Base
attr_accessor :value
add_need_initialize_variable("value")
alias_method(:content, :value)
alias_method(:content=, :value=)
def have_required_values?
@value
end
end
end
EOC
end
def self.install_dublin_core(klass)
::RSS::DublinCoreModel::ELEMENT_NAME_INFOS.each do |name, plural_name|
plural_name ||= "#{name}s"
klass_name = Utils.to_class_name(name)
plural_klass_name = "DublinCore#{Utils.to_class_name(plural_name)}"
full_klass_name = "DublinCore#{klass_name}"
klass.module_eval(<<-EOC, *Utils.get_file_and_line_from_caller(1))
class #{plural_klass_name} < #{plural_klass_name}Base
class #{klass_name} < #{klass_name}Base
def to_rss(rss, current)
if value and current.respond_to?(:dc_#{name})
new_item = current.class::#{full_klass_name}.new(value)
current.dc_#{plural_name} << new_item
end
end
end
end
EOC
end
end
end
class ChannelBase
include DublinCoreModel
remove_method(:date)
remove_method(:date=)
alias_method(:date, :dc_date)
alias_method(:date=, :dc_date=)
end
class ImageBase; include DublinCoreModel; end
class ItemsBase
class ItemBase
include DublinCoreModel
remove_method(:date)
remove_method(:date=)
alias_method(:date, :dc_date)
alias_method(:date=, :dc_date=)
end
end
class TextinputBase; include DublinCoreModel; end
class RSS10
class Channel
DublinCoreModel.install_dublin_core(self)
end
class Image
DublinCoreModel.install_dublin_core(self)
end
class Items
class Item
DublinCoreModel.install_dublin_core(self)
end
end
class Textinput
DublinCoreModel.install_dublin_core(self)
end
end
class RSS09
class Channel
DublinCoreModel.install_dublin_core(self)
end
class Image
DublinCoreModel.install_dublin_core(self)
end
class Items
class Item
DublinCoreModel.install_dublin_core(self)
end
end
class Textinput
DublinCoreModel.install_dublin_core(self)
end
end
end
end
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