122 lines
3.7 KiB
Ruby
122 lines
3.7 KiB
Ruby
require 'rss/dublincore'
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require 'rss/maker/1.0'
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module RSS
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module Maker
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module DublinCoreModel
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def self.append_features(klass)
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super
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::RSS::DublinCoreModel::ELEMENT_NAME_INFOS.each do |name, plural_name|
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plural_name ||= "#{name}s"
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full_name = "#{RSS::DC_PREFIX}_#{name}"
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full_plural_name = "#{RSS::DC_PREFIX}_#{plural_name}"
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plural_klass_name = "DublinCore#{Utils.to_class_name(plural_name)}"
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klass.def_classed_elements(full_name, "value", plural_klass_name,
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full_plural_name, name)
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klass.module_eval(<<-EOC, __FILE__, __LINE__ + 1)
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def new_#{full_name}(value=nil)
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_#{full_name} = #{full_plural_name}.new_#{name}
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_#{full_name}.value = value
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if block_given?
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yield _#{full_name}
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else
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_#{full_name}
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end
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end
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EOC
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end
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klass.module_eval(<<-EOC, __FILE__, __LINE__ + 1)
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# For backward compatibility
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alias #{DC_PREFIX}_rightses #{DC_PREFIX}_rights_list
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EOC
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end
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::RSS::DublinCoreModel::ELEMENT_NAME_INFOS.each do |name, plural_name|
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plural_name ||= "#{name}s"
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full_name ||= "#{DC_PREFIX}_#{name}"
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full_plural_name ||= "#{DC_PREFIX}_#{plural_name}"
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klass_name = Utils.to_class_name(name)
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full_klass_name = "DublinCore#{klass_name}"
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plural_klass_name = "DublinCore#{Utils.to_class_name(plural_name)}"
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module_eval(<<-EOC, __FILE__, __LINE__ + 1)
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class #{plural_klass_name}Base < Base
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def_array_element(#{name.dump}, #{full_plural_name.dump},
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#{full_klass_name.dump})
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class #{full_klass_name}Base < Base
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attr_accessor :value
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add_need_initialize_variable("value")
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alias_method(:content, :value)
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alias_method(:content=, :value=)
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def have_required_values?
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@value
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end
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def to_feed(feed, current)
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if value and current.respond_to?(:#{full_name})
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new_item = current.class::#{full_klass_name}.new(value)
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current.#{full_plural_name} << new_item
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end
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end
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end
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#{klass_name}Base = #{full_klass_name}Base
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end
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EOC
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end
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def self.install_dublin_core(klass)
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::RSS::DublinCoreModel::ELEMENT_NAME_INFOS.each do |name, plural_name|
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plural_name ||= "#{name}s"
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klass_name = Utils.to_class_name(name)
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full_klass_name = "DublinCore#{klass_name}"
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plural_klass_name = "DublinCore#{Utils.to_class_name(plural_name)}"
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klass.module_eval(<<-EOC, __FILE__, __LINE__ + 1)
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class #{plural_klass_name} < #{plural_klass_name}Base
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class #{full_klass_name} < #{full_klass_name}Base
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end
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#{klass_name} = #{full_klass_name}
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end
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EOC
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end
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end
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end
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class ChannelBase
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include DublinCoreModel
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end
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class ImageBase; include DublinCoreModel; end
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class ItemsBase
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class ItemBase
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include DublinCoreModel
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end
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end
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class TextinputBase; include DublinCoreModel; end
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makers.each do |maker|
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maker.module_eval(<<-EOC, __FILE__, __LINE__ + 1)
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class Channel
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DublinCoreModel.install_dublin_core(self)
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end
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class Image
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DublinCoreModel.install_dublin_core(self)
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end
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class Items
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class Item
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DublinCoreModel.install_dublin_core(self)
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end
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end
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class Textinput
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DublinCoreModel.install_dublin_core(self)
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end
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EOC
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end
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end
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end
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