Class: Quby::Compiler::Services::QubyProxy::ShortenKeysUniq

Inherits:
Object
  • Object
show all
Defined in:
lib/quby/compiler/services/quby_proxy.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ ShortenKeysUniq

Returns a new instance of ShortenKeysUniq.



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# File 'lib/quby/compiler/services/quby_proxy.rb', line 336

def initialize
  @seen_results = []
end

Instance Method Details

#shorten_one(key) ⇒ Object 



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# File 'lib/quby/compiler/services/quby_proxy.rb', line 340

def shorten_one(key)
  key = key.to_s
  limit = 2
  shortened_key = nil
  loop do
    shortened_key = key[0..limit]
    if key[limit] == "_"
      limit += 1
      next
    end
    break unless @seen_results.include?(shortened_key)
    raise "duplicate key, #{key}" if shortened_key.length == key.length
    limit += 1
  end

  @seen_results << shortened_key
  shortened_key
end

#shorten_two(first_key, second_key) ⇒ Object 



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# File 'lib/quby/compiler/services/quby_proxy.rb', line 359

def shorten_two(first_key, second_key)
  first_key = first_key.to_s
  second_key = second_key.to_s
  first_limit = [2, first_key.length - 1].min
  second_limit = 0
  shortened_key = nil
  loop do
    shortened_key = "#{first_key[0..first_limit]}_#{second_key[0..second_limit]}"
    if first_key[first_limit] == "_"
      first_limit += 1
      next
    end
    if second_key[second_limit] == "_"
      second_limit += 1
      next
    end
    break unless @seen_results.include?(shortened_key)
    raise "duplicate key, #{first_key}_#{second_key}" if first_limit == (first_key.length - 1) &&
                                                         second_limit == (second_key.length - 1)

    if second_limit == (second_key.length - 1)
      first_limit += 1
      second_limit = 0
    else
      second_limit += 1
    end
  end

  @seen_results << shortened_key
  shortened_key
end