Module: Iev

Defined in:
lib/iev.rb,
lib/iev/db.rb,
lib/iev/version.rb,
lib/iev/db_cache.rb

Defined Under Namespace

Classes: Db, DbCache

Constant Summary collapse

VERSION = 
"0.2.4"

Class Method Summary collapse

Class Method Details

.get(code, lang) ⇒ String?

Scrape Electropedia for term.

Parameters:

  • code (String) —

    for example “103-01-02”

  • lang (String) —

    language code, for examle “en”

Returns:

  • (String, nil) —

    if found than term, if code not found then empty string, if langguage not fiund then nil.



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# File 'lib/iev.rb', line 16

def self.get(code, lang)
  url = "http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=#{code}"
  doc = Nokogiri::HTML OpenURI.open_uri(url), nil, "UTF-8"
  xpath = "//table/tr/td/div/font[.=\"#{lang}\"]/../../following-sibling::td[2]"
  doc.at(xpath)&.text&.strip
end