Class: Traject::TranslationMap::Cache

Inherits:
Object
  • Object
show all
Defined in:
lib/traject/translation_map.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Cache

Returns a new instance of Cache.



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# File 'lib/traject/translation_map.rb', line 108

def initialize
  @cached = Hash.new
end

Instance Method Details

#_lookup!(path) ⇒ Object

force lookup, without using cache. used by cache. Returns the actual hash. Returns nil if none found. May raise on syntax error in file being loaded.



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# File 'lib/traject/translation_map.rb', line 124

def _lookup!(path)
  found = nil

  $LOAD_PATH.each do |base|
    rb_file = File.join( base,  "translation_maps",  "#{path}.rb"  )
    yaml_file = File.join( base, "translation_maps", "#{path}.yaml"  )
    prop_file = File.join(base, "translation_maps", "#{path}.properties" )

    if File.exist? rb_file
      found = eval( File.open(rb_file).read , binding, rb_file )
      break
    elsif File.exist? yaml_file
      found = YAML.load_file(yaml_file)
      break
    elsif File.exist? prop_file
      found = Traject::TranslationMap.read_properties(prop_file)
      break
    end
  end

  # Cached hash can't be mutated without weird consequences, let's
  # freeze it!
  found.freeze if found

  return found
end

#lookup(path) ⇒ Object

Returns an actual Hash -- or nil if none found.



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# File 'lib/traject/translation_map.rb', line 113

def lookup(path)
  unless @cached.has_key?(path)
    @cached[path] = _lookup!(path)
  end
  return @cached[path]
end

#reset_cache! ⇒ Object 



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# File 'lib/traject/translation_map.rb', line 151

def reset_cache!
  @cached.clear
end