Sha256: f1c6ec65b9c944dbd0780ec1b0e60972060c2a5e5e3c8cd66c1e0c1c5302d79c
Contents?: true
Size: 989 Bytes
Versions: 4
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Stored size: 989 Bytes
Contents
module RDF::N3::Algebra::Log
##
# This connects a document and a string that represents it.
#
# (Cwm knows how to go get a document in order to evaluate this.)
#
# Note that the content-type of the information is not given and so must be known or guessed.
class Content < RDF::N3::Algebra::ResourceOperator
NAME = :logContent
URI = RDF::N3::Log.content
##
# Reads the subject into the object.
#
# Returns nil if resource does not validate, given its position
#
# @param [RDF::N3::List] resource
# @return [RDF::Term]
def resolve(resource, position: :subject)
case position
when :subject
return nil unless resource.literal? || resource.uri?
content = begin
as_literal(RDF::Util::File.open_file(resource) {|f| f.read})
rescue IOError
nil
end
when :object
return nil unless resource.literal? || resource.variable?
resource
end
end
end
end
Version data entries
4 entries across 4 versions & 1 rubygems