Method: Tb::Func.smart_cmp_value

Defined in:
lib/tb/func.rb

.smart_cmp_value(v) ⇒ Object 



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# File 'lib/tb/func.rb', line 30

def self.smart_cmp_value(v)
  case v
  when nil
    []
  when Numeric
    [0, v]
  when String
    if v.respond_to? :force_encoding
      v = v.dup.force_encoding("ASCII-8BIT")
    end
    case v
    when /\A\s*-?\d+\s*\z/
      [0, v.to_i(10)]
    when /\A\s*-?(\d+(\.\d+)?)([eE][-+]?\d+)?\s*\z/
      [0, Float(v)]
    else
      a = []
      v.scan(/(\d+)|\D+/) {
        if $1
          a << 0 << $1.to_i
        else
          a << 1 << $&
        end
      }
      a
    end
  else
    raise ArgumentError, "unexpected: #{v.inspect}"
  end
end