source: extensions/gsdl-video/trunk/installed/cmdline/lib/ruby/1.8/irb/output-method.rb@ 18425

#
#   output-method.rb - optput methods used by irb 
#       $Release Version: 0.9.5$
#       $Revision: 11708 $
#       $Date: 2007-02-13 08:01:19 +0900 (Tue, 13 Feb 2007) $
#       by Keiju ISHITSUKA([email protected])
#
# --
#
#   
#

require "e2mmap"

module IRB
  # OutputMethod
  #   StdioOutputMethod

  class OutputMethod
    @RCS_ID='-$Id: output-method.rb 11708 2007-02-12 23:01:19Z shyouhei $-'

    def print(*opts)
      IRB.fail NotImplementError, "print"
    end

    def printn(*opts)
      print opts.join(" "), "\n"
    end

    # extend printf
    def printf(format, *opts)
      if /(%*)%I/ =~ format
    format, opts = parse_printf_format(format, opts)
      end
      print sprintf(format, *opts)
    end

    # %
    # <¥Õ¥é¥°>  [#0- +]
    # <ºÇŸ®¥Õ¥£¡Œ¥ë¥ÉÉý> (\*|\*[1-9][0-9]*\$|[1-9][0-9]*)
    # <ÀºÅÙ>.(\*|\*[1-9][0-9]*\$|[1-9][0-9]*|)?
    # #<Ĺ€µœ€ÀµÊž»ú>(hh|h|l|ll|L|q|j|z|t)
    # <ÊÑŽ¹œ€ÀµÊž»ú>[diouxXeEfgGcsb%] 
    def parse_printf_format(format, opts)
      return format, opts if $1.size % 2 == 1
    end

    def foo(format)
      pos = 0
      inspects = []
      format.scan(/%[#0\-+ ]?(\*(?=[^0-9])|\*[1-9][0-9]*\$|[1-9][0-9]*(?=[^0-9]))?(\.(\*(?=[^0-9])|\*[1-9][0-9]*\$|[1-9][0-9]*(?=[^0-9])))?(([1-9][0-9]*\$)*)([diouxXeEfgGcsb%])/) {|f, p, pp, pos, new_pos, c|
    puts [f, p, pp, pos, new_pos, c].join("!")
    pos = new_pos if new_pos
    if c == "I"
      inspects.push pos.to_i 
      (f||"")+(p||"")+(pp||"")+(pos||"")+"s"
    else
      $&
    end
      }
    end

    def puts(*objs)
      for obj in objs
    print(*obj)
    print "\n"
      end
    end

    def pp(*objs)
      puts(*objs.collect{|obj| obj.inspect})
    end

    def ppx(prefix, *objs)
      puts(*objs.collect{|obj| prefix+obj.inspect})
    end

  end

  class StdioOutputMethod<OutputMethod
    def print(*opts)
      STDOUT.print(*opts)
    end
  end
end