зеркало из https://github.com/github/ruby.git
69 строки
1.8 KiB
Ruby
69 строки
1.8 KiB
Ruby
require "rss/1.0"
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module RSS
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# The prefix for the Syndication XML namespace.
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SY_PREFIX = 'sy'
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# The URI of the Syndication specification.
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SY_URI = "http://purl.org/rss/1.0/modules/syndication/"
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RDF.install_ns(SY_PREFIX, SY_URI)
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module SyndicationModel
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extend BaseModel
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ELEMENTS = []
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def self.append_features(klass)
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super
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klass.install_must_call_validator(SY_PREFIX, SY_URI)
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klass.module_eval do
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[
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["updatePeriod"],
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["updateFrequency", :positive_integer]
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].each do |name, type|
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install_text_element(name, SY_URI, "?",
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"#{SY_PREFIX}_#{name}", type,
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"#{SY_PREFIX}:#{name}")
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end
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%w(updateBase).each do |name|
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install_date_element(name, SY_URI, "?",
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"#{SY_PREFIX}_#{name}", 'w3cdtf',
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"#{SY_PREFIX}:#{name}")
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end
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end
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klass.module_eval(<<-EOC, __FILE__, __LINE__ + 1)
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alias_method(:_sy_updatePeriod=, :sy_updatePeriod=)
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def sy_updatePeriod=(new_value)
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new_value = new_value.strip
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validate_sy_updatePeriod(new_value) if @do_validate
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self._sy_updatePeriod = new_value
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end
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EOC
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end
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private
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SY_UPDATEPERIOD_AVAILABLE_VALUES = %w(hourly daily weekly monthly yearly)
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def validate_sy_updatePeriod(value)
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unless SY_UPDATEPERIOD_AVAILABLE_VALUES.include?(value)
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raise NotAvailableValueError.new("updatePeriod", value)
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end
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end
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end
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class RDF
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class Channel; include SyndicationModel; end
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end
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prefix_size = SY_PREFIX.size + 1
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SyndicationModel::ELEMENTS.uniq!
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SyndicationModel::ELEMENTS.each do |full_name|
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name = full_name[prefix_size..-1]
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BaseListener.install_get_text_element(SY_URI, name, full_name)
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end
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end
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