Class: DeepStore::KeyParser

Inherits:
Object
  • Object
show all
Defined in:
lib/deep_store/key_parser.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.call(*args) ⇒ Object 



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# File 'lib/deep_store/key_parser.rb', line 3

def self.call(*args)
  new.call(*args)
end

Instance Method Details

#call(key, pattern) ⇒ Object 



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# File 'lib/deep_store/key_parser.rb', line 7

def call(key, pattern)
  dimensions = pattern.scan(/\:(\w+)/).flatten.map(&:to_sym)
  parser     = pattern.gsub(/\:(\w+)/) { |m| '(?<' + m[1..-1] + '>[a-zA-Z0-9\-_.]+)' }
  match      = key.match(parser)
  return {} unless match

  Hash[dimensions.zip(match.to_a[1..-1])]
end