Module: Rdbc::Translating

Included in:
Contract, Contract
Defined in:
lib/rdbc/translating.rb

Instance Method Summary collapse

Instance Method Details

#method_post(method) ⇒ Object 



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# File 'lib/rdbc/translating.rb', line 7

def method_post(method)
  method_with_prefix(method, :post)
end

#method_pre(method) ⇒ Object 



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# File 'lib/rdbc/translating.rb', line 3

def method_pre(method)
   method_with_prefix(method, :pre)
end

#method_with_prefix(method, type) ⇒ Object 



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# File 'lib/rdbc/translating.rb', line 11

def method_with_prefix(method, type)
  operator = operator(method)
  ( type.to_s + '_' +
    if operator.nil?
      method.to_s
    else
      'op_' + operator.to_s
    end
  ).to_sym
end

#operator(method) ⇒ Object 



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# File 'lib/rdbc/translating.rb', line 22

def operator(method)
  {
    :[]  => :element_read,
    :[]= => :element_write,
    :**  => :power,
    :~   => :not,
    :+@  => :unary_plus,
    :-@  => :unary_minus,
    :*   => :product,
    :/   => :quotient,
    :%   => :modulo,
    :+   => :plus,
    :-   => :minus,
    :>>  => :right_shift,
    :<<  => :left_shift,
    :&   => :and,
    :^   => :xor,
    :|   => :or,
    :<=  => :less_or_equal,
    :<   => :less,
    :>   => :greater,
    :>=  => :greater_or_equal,
    :<=> => :comparison,
    :==  => :eql,
    :=== => :case_comparison,
    :=~  => :match
  }[method]
end