Fresh start

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