Module: Reality::Dictionaries

Defined in:
lib/reality/definitions/dictionaries.rb

Constant Summary collapse

CITY_SYNONYMS = 
[
  'City',
  'Municipality',
  'Commune',      # France
  'GCCSA/SUA'     # Australia
]
CITIES_PAGE_BY_COUNTRY = 
Hash.new{|_, name| 'List of cities in %s' % name}.
merge(
  'United States' => 'List of United States cities by population',
  'Australia' => 'List of cities in Australia by population'
)

Class Method Summary collapse

Class Method Details

.cities_by_country(name) ⇒ Object 



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# File 'lib/reality/definitions/dictionaries.rb', line 33

def cities_by_country(name)
  page = Infoboxer.wp.get(CITIES_PAGE_BY_COUNTRY[name]) or
          return Entity::List.new()

  page.tables.map{|t|
    t.heading_row or next []
    
    idx = t.heading_row.children.
      index{|c| c.text =~ /\bname\b/i || CITY_SYNONYMS.any?{|s| c.text.strip.start_with?(s)}} or next []
      
    t.lookup(:TableCell, index: idx).lookup(:Wikilink)
  }.flatten.
  derp{|links| Entity::Coercion.coerce(links, [:entity])}
end

.continents ⇒ Object 



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# File 'lib/reality/definitions/dictionaries.rb', line 11

def continents
  @continents ||=
    Infoboxer.wp.get('Continent').
      sections('Area and population').tables.first.
      lookup(:TableHeading, index: 0).lookup(:Wikilink).
      derp{|links| Entity::Coercion.coerce(links, [:entity])}
end

.countries ⇒ Object 



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# File 'lib/reality/definitions/dictionaries.rb', line 7

def countries
  List.new(*countries_by_continents_cache.keys)
end

.countries_by_continent(name) ⇒ Object 



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# File 'lib/reality/definitions/dictionaries.rb', line 48

def countries_by_continent(name)
  countries_by_continents_cache.select{|k, v| v == name}.map(&:first).
    derp{|names| List.new(*names)}
end

.countries_by_continents_cache ⇒ Object 



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# File 'lib/reality/definitions/dictionaries.rb', line 53

def countries_by_continents_cache
  @by_continents ||= Infoboxer.wp.
    get('List of countries by continent').
    sections.first.
    sections.map{|s|
      continent = s.heading.text_
      s.tables.first.
        lookup(:Wikilink, :bold?).map(&:link).
        map{|country| [country, continent]}
    }.flatten(1).
    reject{|country, continent| country == 'Holy See'}. # it has [Vatican City]/[Holy See]
    to_h
end