Class: QuickCite::DBLP

Inherits:
Object
  • Object
show all
Defined in:
lib/quickcite/dblp.rb

Constant Summary collapse

SEARCH_BASE =

NB – DBLP seems to expect query arguments in a certain order - the q= argument has to come first.

"http://www.dblp.org/search/api/?"
SEARCH_SUFFIX = 
"&c=4&f=0&format=json&h=10"

Instance Method Summary collapse

Instance Method Details

#bibtex(result) ⇒ Object 



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# File 'lib/quickcite/dblp.rb', line 60

def bibtex(result)
  #      dom = Nokogiri.Slop(open("test/power-piccolo.html"))
  dom = Nokogiri.Slop Net::HTTP.get(URI::parse(result.url))
  entries = dom.html.body.pre
  case entries
  when Nokogiri::XML::NodeSet
    return entries[0].to_str
  else
    return entries.to_str
  end
end

#hit_to_result(h) ⇒ Object 



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# File 'lib/quickcite/dblp.rb', line 19

def hit_to_result(h)
  t = h["title"]
  title = t["dblp:title"]["text"]
  venue = t["dblp:venue"]["text"]
  authors = t["dblp:authors"]["dblp:author"]
  date = t["dblp:year"].to_s
  Result.new(
    :title => title, 
    :authors => authors.to_a, 
    :url => h["url"], 
    :venue => venue,
    :date => date)
end

#search(query) ⇒ Object 



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# File 'lib/quickcite/dblp.rb', line 33

def search(query)
  #json = JSON.parse(File.read("test/foobar.json"))
  query_str = "q=" + URI::escape(query.join(" "))
  uri = URI::parse(SEARCH_BASE + query_str + SEARCH_SUFFIX)
  
  puts("Fetching from #{uri}")
  
  response = Net::HTTP::get(uri)
  json = JSON.parse(response)
 
  hit_count = json["result"]["hits"]["@sent"];
  if hit_count == 0 then
    []
  end

  hits = json["result"]["hits"]["hit"]
  
  # NB.  when there is only a single result DBLP returns a single
  # hit element instead of an array.
  case hits
  when Array 
    hits.map {  |h| hit_to_result(h) }
  else
    [hit_to_result(hits)]
  end
end