Method: Swicky::Notebook.coordinates_for

Defined in:
lib/swicky/notebook.rb

.coordinates_for(url) ⇒ Object

Get the “coordinates” (an xpointer in the case of HTML fragments) for all the fragments that are part of the element with the given url.



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# File 'lib/swicky/notebook.rb', line 102

def coordinates_for(url)
  result = []
  url = sanitize_sparql(url).to_uri
  frag_qry = ActiveRDF::Query.new(N::URI).select(:fragment, :coordinates).distinct
  frag_qry.where(:fragment, N::DISCOVERY.isPartOf, url)
  frag_qry.where(:fragment, N::SWICKY.hasCoordinates, :coordinates)
  frag_qry.where(:note, N::SWICKY.refersTo, :fragment)
  frag_qry.execute.each do |fragment, coordinates|
    result << {'fragment' => fragment.to_s, 'coordinates' => coordinates.to_s}
  end
  result
end