Module: SDL2::EnumUtil

Included in:
SDL2, Image
Defined in:
lib/sdl2.rb

Instance Method Summary collapse

Instance Method Details

#enum_consts(*args) ⇒ Object

enum_consts convenient like FFI’s enum but creates the symbols as normal consts which I believe is more natural to ruby



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# File 'lib/sdl2.rb', line 10

def enum_consts *args
 pname = nil
 value = 1

 args.each do |arg|

  if arg.is_a? Symbol
   if pname
    #puts "const_set #{pname} = #{value}"
    const_set(pname, value)
    pname = nil
    value += 1
   end
   pname = arg

  elsif arg.is_a? Integer
   if pname
    value = arg
    #puts "const_set #{pname} = #{value}"
    const_set(pname, value)
    pname = nil
    value += 1
   else
    raise "unexpected integer without preceeding name"
   end
  end

 end # do

 if pname
  #puts "const_set #{pname} = #{value}"
  const_set(pname, value)
 end

end