[18425] | 1 | #
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| 2 | # shell/builtin-command.rb -
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| 3 | # $Release Version: 0.6.0 $
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| 4 | # $Revision: 11708 $
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| 5 | # $Date: 2007-02-13 08:01:19 +0900 (Tue, 13 Feb 2007) $
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| 6 | # by Keiju ISHITSUKA(Nihon Rational Software Co.,Ltd)
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| 7 | #
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| 8 | # --
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| 9 | #
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| 10 | #
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| 11 | #
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| 12 |
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| 13 | require "shell/filter"
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| 14 |
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| 15 | class Shell
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| 16 | class BuiltInCommand<Filter
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| 17 | def wait?
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| 18 | false
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| 19 | end
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| 20 | def active?
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| 21 | true
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| 22 | end
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| 23 | end
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| 24 |
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| 25 | class Echo < BuiltInCommand
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| 26 | def initialize(sh, *strings)
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| 27 | super sh
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| 28 | @strings = strings
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| 29 | end
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| 30 |
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| 31 | def each(rs = nil)
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| 32 | rs = @shell.record_separator unless rs
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| 33 | for str in @strings
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| 34 | yield str + rs
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| 35 | end
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| 36 | end
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| 37 | end
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| 38 |
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| 39 | class Cat < BuiltInCommand
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| 40 | def initialize(sh, *filenames)
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| 41 | super sh
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| 42 | @cat_files = filenames
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| 43 | end
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| 44 |
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| 45 | def each(rs = nil)
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| 46 | if @cat_files.empty?
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| 47 | super
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| 48 | else
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| 49 | for src in @cat_files
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| 50 | @shell.foreach(src, rs){|l| yield l}
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| 51 | end
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| 52 | end
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| 53 | end
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| 54 | end
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| 55 |
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| 56 | class Glob < BuiltInCommand
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| 57 | def initialize(sh, pattern)
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| 58 | super sh
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| 59 |
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| 60 | @pattern = pattern
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| 61 | Thread.critical = true
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| 62 | back = Dir.pwd
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| 63 | begin
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| 64 | Dir.chdir @shell.cwd
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| 65 | @files = Dir[pattern]
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| 66 | ensure
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| 67 | Dir.chdir back
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| 68 | Thread.critical = false
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| 69 | end
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| 70 | end
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| 71 |
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| 72 | def each(rs = nil)
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| 73 | rs = @shell.record_separator unless rs
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| 74 | for f in @files
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| 75 | yield f+rs
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| 76 | end
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| 77 | end
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| 78 | end
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| 79 |
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| 80 | # class Sort < Cat
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| 81 | # def initialize(sh, *filenames)
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| 82 | # super
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| 83 | # end
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| 84 | #
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| 85 | # def each(rs = nil)
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| 86 | # ary = []
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| 87 | # super{|l| ary.push l}
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| 88 | # for l in ary.sort!
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| 89 | # yield l
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| 90 | # end
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| 91 | # end
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| 92 | # end
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| 93 |
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| 94 | class AppendIO < BuiltInCommand
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| 95 | def initialize(sh, io, filter)
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| 96 | super sh
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| 97 | @input = filter
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| 98 | @io = io
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| 99 | end
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| 100 |
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| 101 | def input=(filter)
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| 102 | @input.input=filter
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| 103 | for l in @input
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| 104 | @io << l
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| 105 | end
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| 106 | end
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| 107 |
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| 108 | end
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| 109 |
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| 110 | class AppendFile < AppendIO
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| 111 | def initialize(sh, to_filename, filter)
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| 112 | @file_name = to_filename
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| 113 | io = sh.open(to_filename, "a")
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| 114 | super(sh, io, filter)
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| 115 | end
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| 116 |
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| 117 | def input=(filter)
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| 118 | begin
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| 119 | super
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| 120 | ensure
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| 121 | @io.close
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| 122 | end
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| 123 | end
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| 124 | end
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| 125 |
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| 126 | class Tee < BuiltInCommand
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| 127 | def initialize(sh, filename)
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| 128 | super sh
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| 129 | @to_filename = filename
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| 130 | end
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| 131 |
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| 132 | def each(rs = nil)
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| 133 | to = @shell.open(@to_filename, "w")
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| 134 | begin
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| 135 | super{|l| to << l; yield l}
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| 136 | ensure
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| 137 | to.close
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| 138 | end
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| 139 | end
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| 140 | end
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| 141 |
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| 142 | class Concat < BuiltInCommand
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| 143 | def initialize(sh, *jobs)
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| 144 | super(sh)
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| 145 | @jobs = jobs
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| 146 | end
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| 147 |
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| 148 | def each(rs = nil)
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| 149 | while job = @jobs.shift
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| 150 | job.each{|l| yield l}
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| 151 | end
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| 152 | end
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| 153 | end
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| 154 | end
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