File: output-method.rb

package info (click to toggle)
jruby 1.7.26-1%2Bdeb9u1
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 84,572 kB
  • sloc: ruby: 669,910; java: 253,056; xml: 35,152; ansic: 9,187; yacc: 7,267; cpp: 5,244; sh: 1,036; makefile: 345; jsp: 48; tcl: 40
file content (69 lines) | stat: -rw-r--r-- 1,279 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
#
#   output-method.rb - output methods used by irb
#   	$Release Version: 0.9.6$
#   	$Revision$
#   	by Keiju ISHITSUKA(keiju@ruby-lang.org)
#
# --
#
#
#

require "e2mmap"

module IRB
  # OutputMethod
  #   StdioOutputMethod

  class OutputMethod
    @RCS_ID='-$Id$-'

    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

    # %
    # <flag>  [#0- +]
    # <minimum field width> (\*|\*[1-9][0-9]*\$|[1-9][0-9]*)
    # <precision>.(\*|\*[1-9][0-9]*\$|[1-9][0-9]*|)?
    # #<length modifier>(hh|h|l|ll|L|q|j|z|t)
    # <conversion specifier>[diouxXeEfgGcsb%]
    def parse_printf_format(format, opts)
      return format, opts if $1.size % 2 == 1
    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