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module RDF::N3::Algebra::Time
##
# For a date-time format string, its time:localTime is the result of formatting the current time of processing and local timezone in the format given. If the format string has zero length, then the ISOdate standrad format is used. [ is time:localTime of ""] the therefore the current date time. It will end with a numeric timezone code or "Z" for UTC (GMT).
#
# @see https://www.w3.org/TR/xpath-functions/#func-current-dateTime
class LocalTime < RDF::N3::Algebra::ResourceOperator
NAME = :timeLocalTime
URI = RDF::N3::Time.localTime
##
# The time:localTime operator takes string or dateTime and returns current time formatted according to the subject.
#
# @param [RDF::Term] resource
# @param [:subject, :object] position
# @return [RDF::Term]
# @see RDF::N3::ResourceOperator#evaluate
def resolve(resource, position:)
case position
when :subject
return nil unless resource.literal?
resource = "%FT%T%:z" if resource.to_s.empty?
RDF::Literal(DateTime.now.strftime(resource.to_s))
when :object
return nil unless resource.literal? || resource.variable?
resource
end
end
end
end
Version data entries
4 entries across 4 versions & 1 rubygems