format.rb

# format.rb: Written by Tadayoshi Funaba 1999-2009
# $Id: format.rb,v 2.43 2008-01-17 20:16:31+09 tadf Exp $

class Date
    ZONES = {
      'ut'  =>  0*3600, 'gmt' =>  0*3600, 'est' => -5*3600, 'edt' => -4*3600,
      'cst' => -6*3600, 'cdt' => -5*3600, 'mst' => -7*3600, 'mdt' => -6*3600,
      'pst' => -8*3600, 'pdt' => -7*3600,
      'a'   =>  1*3600, 'b'   =>  2*3600, 'c'   =>  3*3600, 'd'   =>  4*3600,
      'e'   =>  5*3600, 'f'   =>  6*3600, 'g'   =>  7*3600, 'h'   =>  8*3600,
      'i'   =>  9*3600, 'k'   => 10*3600, 'l'   => 11*3600, 'm'   => 12*3600,
      'n'   => -1*3600, 'o'   => -2*3600, 'p'   => -3*3600, 'q'   => -4*3600,
      'r'   => -5*3600, 's'   => -6*3600, 't'   => -7*3600, 'u'   => -8*3600,
      'v'   => -9*3600, 'w'   =>-10*3600, 'x'   =>-11*3600, 'y'   =>-12*3600,
      'z'   =>  0*3600,

      'utc' =>  0*3600, 'wet' =>  0*3600,
      'at'  => -2*3600, 'brst'=> -2*3600, 'ndt' => -(2*3600+1800),
      'art' => -3*3600, 'adt' => -3*3600, 'brt' => -3*3600, 'clst'=> -3*3600,
      'nst' => -(3*3600+1800),
      'ast' => -4*3600, 'clt' => -4*3600,
      'akdt'=> -8*3600, 'ydt' => -8*3600,
      'akst'=> -9*3600, 'hadt'=> -9*3600, 'hdt' => -9*3600, 'yst' => -9*3600,
      'ahst'=>-10*3600, 'cat' =>-10*3600, 'hast'=>-10*3600, 'hst' =>-10*3600,
      'nt'  =>-11*3600,
      'idlw'=>-12*3600,
      'bst' =>  1*3600, 'cet' =>  1*3600, 'fwt' =>  1*3600, 'met' =>  1*3600,
      'mewt'=>  1*3600, 'mez' =>  1*3600, 'swt' =>  1*3600, 'wat' =>  1*3600,
      'west'=>  1*3600,
      'cest'=>  2*3600, 'eet' =>  2*3600, 'fst' =>  2*3600, 'mest'=>  2*3600,
      'mesz'=>  2*3600, 'sast'=>  2*3600, 'sst' =>  2*3600,
      'bt'  =>  3*3600, 'eat' =>  3*3600, 'eest'=>  3*3600, 'msk' =>  3*3600,
      'msd' =>  4*3600, 'zp4' =>  4*3600,
      'zp5' =>  5*3600, 'ist' =>  (5*3600+1800),
      'zp6' =>  6*3600,
      'wast'=>  7*3600,
      'cct' =>  8*3600, 'sgt' =>  8*3600, 'wadt'=>  8*3600,
      'jst' =>  9*3600, 'kst' =>  9*3600,
      'east'=> 10*3600, 'gst' => 10*3600,
      'eadt'=> 11*3600,
      'idle'=> 12*3600, 'nzst'=> 12*3600, 'nzt' => 12*3600,
      'nzdt'=> 13*3600,

      'afghanistan'           =>   16200, 'alaskan'               =>  -32400,
      'arab'                  =>   10800, 'arabian'               =>   14400,
      'arabic'                =>   10800, 'atlantic'              =>  -14400,
      'aus central'           =>   34200, 'aus eastern'           =>   36000,
      'azores'                =>   -3600, 'canada central'        =>  -21600,
      'cape verde'            =>   -3600, 'caucasus'              =>   14400,
      'cen. australia'        =>   34200, 'central america'       =>  -21600,
      'central asia'          =>   21600, 'central europe'        =>    3600,
      'central european'      =>    3600, 'central pacific'       =>   39600,
      'central'               =>  -21600, 'china'                 =>   28800,
      'dateline'              =>  -43200, 'e. africa'             =>   10800,
      'e. australia'          =>   36000, 'e. europe'             =>    7200,
      'e. south america'      =>  -10800, 'eastern'               =>  -18000,
      'egypt'                 =>    7200, 'ekaterinburg'          =>   18000,
      'fiji'                  =>   43200, 'fle'                   =>    7200,
      'greenland'             =>  -10800, 'greenwich'             =>       0,
      'gtb'                   =>    7200, 'hawaiian'              =>  -36000,
      'india'                 =>   19800, 'iran'                  =>   12600,
      'jerusalem'             =>    7200, 'korea'                 =>   32400,
      'mexico'                =>  -21600, 'mid-atlantic'          =>   -7200,
      'mountain'              =>  -25200, 'myanmar'               =>   23400,
      'n. central asia'       =>   21600, 'nepal'                 =>   20700,
      'new zealand'           =>   43200, 'newfoundland'          =>  -12600,
      'north asia east'       =>   28800, 'north asia'            =>   25200,
      'pacific sa'            =>  -14400, 'pacific'               =>  -28800,
      'romance'               =>    3600, 'russian'               =>   10800,
      'sa eastern'            =>  -10800, 'sa pacific'            =>  -18000,
      'sa western'            =>  -14400, 'samoa'                 =>  -39600,
      'se asia'               =>   25200, 'malay peninsula'       =>   28800,
      'south africa'          =>    7200, 'sri lanka'             =>   21600,
      'taipei'                =>   28800, 'tasmania'              =>   36000,
      'tokyo'                 =>   32400, 'tonga'                 =>   46800,
      'us eastern'            =>  -18000, 'us mountain'           =>  -25200,
      'vladivostok'           =>   36000, 'w. australia'          =>   28800,
      'w. central africa'     =>    3600, 'w. europe'             =>    3600,
      'west asia'             =>   18000, 'west pacific'          =>   36000,
      'yakutsk'               =>   32400
    }

  def strftime(fmt='%F')
    JRuby.runtime.current_context.getRubyDateFormatter.compileAndFormat(fmt, true, @dt, 0, @sub_millis.nonzero?)
  end

  alias_method :format, :strftime

end