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authorJari Vetoniemi <jari.vetoniemi@indooratlas.com>2020-03-16 18:49:26 +0900
committerJari Vetoniemi <jari.vetoniemi@indooratlas.com>2020-03-30 00:39:06 +0900
commitfcbf63e62c627deae76c1b8cb8c0876c536ed811 (patch)
tree64cb17de3f41a2b6fef2368028fbd00349946994 /jni/ruby/lib/shell/builtin-command.rb
Fresh start
Diffstat (limited to 'jni/ruby/lib/shell/builtin-command.rb')
-rw-r--r--jni/ruby/lib/shell/builtin-command.rb146
1 files changed, 146 insertions, 0 deletions
diff --git a/jni/ruby/lib/shell/builtin-command.rb b/jni/ruby/lib/shell/builtin-command.rb
new file mode 100644
index 0000000..8e549dd
--- /dev/null
+++ b/jni/ruby/lib/shell/builtin-command.rb
@@ -0,0 +1,146 @@
+#
+# shell/builtin-command.rb -
+# $Release Version: 0.7 $
+# $Revision: 47246 $
+# by Keiju ISHITSUKA(keiju@ruby-lang.org)
+#
+# --
+#
+#
+#
+
+require "shell/filter"
+
+class Shell
+ class BuiltInCommand<Filter
+ def wait?
+ false
+ end
+ def active?
+ true
+ end
+ end
+
+ class Void < BuiltInCommand
+ def initialize(sh, *opts)
+ super sh
+ end
+
+ def each(rs = nil)
+ # do nothing
+ end
+ end
+
+ class Echo < BuiltInCommand
+ def initialize(sh, *strings)
+ super sh
+ @strings = strings
+ end
+
+ def each(rs = nil)
+ rs = @shell.record_separator unless rs
+ for str in @strings
+ yield str + rs
+ end
+ end
+ end
+
+ class Cat < BuiltInCommand
+ def initialize(sh, *filenames)
+ super sh
+ @cat_files = filenames
+ end
+
+ def each(rs = nil)
+ if @cat_files.empty?
+ super
+ else
+ for src in @cat_files
+ @shell.foreach(src, rs){|l| yield l}
+ end
+ end
+ end
+ end
+
+ class Glob < BuiltInCommand
+ def initialize(sh, pattern)
+ super sh
+
+ @pattern = pattern
+ end
+
+ def each(rs = nil)
+ if @pattern[0] == ?/
+ @files = Dir[@pattern]
+ else
+ prefix = @shell.pwd+"/"
+ @files = Dir[prefix+@pattern].collect{|p| p.sub(prefix, "")}
+ end
+ rs = @shell.record_separator unless rs
+ for f in @files
+ yield f+rs
+ end
+ end
+ end
+
+ class AppendIO < BuiltInCommand
+ def initialize(sh, io, filter)
+ super sh
+ @input = filter
+ @io = io
+ end
+
+ def input=(filter)
+ @input.input=filter
+ for l in @input
+ @io << l
+ end
+ end
+
+ end
+
+ class AppendFile < AppendIO
+ def initialize(sh, to_filename, filter)
+ @file_name = to_filename
+ io = sh.open(to_filename, "a")
+ super(sh, io, filter)
+ end
+
+ def input=(filter)
+ begin
+ super
+ ensure
+ @io.close
+ end
+ end
+ end
+
+ class Tee < BuiltInCommand
+ def initialize(sh, filename)
+ super sh
+ @to_filename = filename
+ end
+
+ def each(rs = nil)
+ to = @shell.open(@to_filename, "w")
+ begin
+ super{|l| to << l; yield l}
+ ensure
+ to.close
+ end
+ end
+ end
+
+ class Concat < BuiltInCommand
+ def initialize(sh, *jobs)
+ super(sh)
+ @jobs = jobs
+ end
+
+ def each(rs = nil)
+ while job = @jobs.shift
+ job.each{|l| yield l}
+ end
+ end
+ end
+end