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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/syndication.rb
Fresh start
Diffstat (limited to 'jni/ruby/lib/rss/syndication.rb')
-rw-r--r--jni/ruby/lib/rss/syndication.rb68
1 files changed, 68 insertions, 0 deletions
diff --git a/jni/ruby/lib/rss/syndication.rb b/jni/ruby/lib/rss/syndication.rb
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+++ b/jni/ruby/lib/rss/syndication.rb
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+require "rss/1.0"
+
+module RSS
+ # The prefix for the Syndication XML namespace.
+ SY_PREFIX = 'sy'
+ # The URI of the Syndication specification.
+ SY_URI = "http://purl.org/rss/1.0/modules/syndication/"
+
+ RDF.install_ns(SY_PREFIX, SY_URI)
+
+ module SyndicationModel
+
+ extend BaseModel
+
+ ELEMENTS = []
+
+ def self.append_features(klass)
+ super
+
+ klass.install_must_call_validator(SY_PREFIX, SY_URI)
+ klass.module_eval do
+ [
+ ["updatePeriod"],
+ ["updateFrequency", :positive_integer]
+ ].each do |name, type|
+ install_text_element(name, SY_URI, "?",
+ "#{SY_PREFIX}_#{name}", type,
+ "#{SY_PREFIX}:#{name}")
+ end
+
+ %w(updateBase).each do |name|
+ install_date_element(name, SY_URI, "?",
+ "#{SY_PREFIX}_#{name}", 'w3cdtf',
+ "#{SY_PREFIX}:#{name}")
+ end
+ end
+
+ klass.module_eval(<<-EOC, __FILE__, __LINE__ + 1)
+ alias_method(:_sy_updatePeriod=, :sy_updatePeriod=)
+ def sy_updatePeriod=(new_value)
+ new_value = new_value.strip
+ validate_sy_updatePeriod(new_value) if @do_validate
+ self._sy_updatePeriod = new_value
+ end
+ EOC
+ end
+
+ private
+ SY_UPDATEPERIOD_AVAILABLE_VALUES = %w(hourly daily weekly monthly yearly)
+ def validate_sy_updatePeriod(value)
+ unless SY_UPDATEPERIOD_AVAILABLE_VALUES.include?(value)
+ raise NotAvailableValueError.new("updatePeriod", value)
+ end
+ end
+ end
+
+ class RDF
+ class Channel; include SyndicationModel; end
+ end
+
+ prefix_size = SY_PREFIX.size + 1
+ SyndicationModel::ELEMENTS.uniq!
+ SyndicationModel::ELEMENTS.each do |full_name|
+ name = full_name[prefix_size..-1]
+ BaseListener.install_get_text_element(SY_URI, name, full_name)
+ end
+
+end