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Remove unused tempfile.rb.

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commit bdb3995ca6469ed0e34c4786d80bc3501ec2563b 1 parent 95f63d8
@headius headius authored
Showing with 0 additions and 209 deletions.
  1. +0 −209 lib/ruby/1.8/tempfile.rb
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209 lib/ruby/1.8/tempfile.rb
@@ -1,209 +0,0 @@
-#
-# tempfile - manipulates temporary files
-#
-# $Id: tempfile.rb 16127 2008-04-21 09:43:44Z knu $
-#
-
-require 'delegate'
-require 'tmpdir'
-
-# A class for managing temporary files. This library is written to be
-# thread safe.
-class Tempfile < DelegateClass(File)
- MAX_TRY = 10
- @@cleanlist = []
-
- # Creates a temporary file of mode 0600 in the temporary directory,
- # opens it with mode "w+", and returns a Tempfile object which
- # represents the created temporary file. A Tempfile object can be
- # treated just like a normal File object.
- #
- # The basename parameter is used to determine the name of a
- # temporary file. If an Array is given, the first element is used
- # as prefix string and the second as suffix string, respectively.
- # Otherwise it is treated as prefix string.
- #
- # If tmpdir is omitted, the temporary directory is determined by
- # Dir::tmpdir provided by 'tmpdir.rb'.
- # When $SAFE > 0 and the given tmpdir is tainted, it uses
- # /tmp. (Note that ENV values are tainted by default)
- def initialize(basename, tmpdir=Dir::tmpdir)
- if $SAFE > 0 and tmpdir.tainted?
- tmpdir = '/tmp'
- end
-
- lock = nil
- n = failure = 0
-
- begin
- Thread.critical = true
-
- begin
- tmpname = File.join(tmpdir, make_tmpname(basename, n))
- lock = tmpname + '.lock'
- n += 1
- end while @@cleanlist.include?(tmpname) or
- File.exist?(lock) or File.exist?(tmpname)
-
- Dir.mkdir(lock)
- rescue
- failure += 1
- retry if failure < MAX_TRY
- raise "cannot generate tempfile `%s'" % tmpname
- ensure
- Thread.critical = false
- end
-
- @data = [tmpname]
- @clean_proc = Tempfile.callback(@data)
- ObjectSpace.define_finalizer(self, @clean_proc)
-
- @tmpfile = File.open(tmpname, File::RDWR|File::CREAT|File::EXCL, 0600)
- @tmpname = tmpname
- @@cleanlist << @tmpname
- @data[1] = @tmpfile
- @data[2] = @@cleanlist
-
- super(@tmpfile)
-
- # Now we have all the File/IO methods defined, you must not
- # carelessly put bare puts(), etc. after this.
-
- Dir.rmdir(lock)
- end
-
- def make_tmpname(basename, n)
- case basename
- when Array
- prefix, suffix = *basename
- else
- prefix, suffix = basename, ''
- end
-
- t = Time.now.strftime("%Y%m%d")
- path = "#{prefix}#{t}-#{$$}-#{rand(0x100000000).to_s(36)}-#{n}#{suffix}"
- end
- private :make_tmpname
-
- # Opens or reopens the file with mode "r+".
- def open
- @tmpfile.close if @tmpfile
- @tmpfile = File.open(@tmpname, 'r+')
- @data[1] = @tmpfile
- __setobj__(@tmpfile)
- end
-
- def _close # :nodoc:
- @tmpfile.close if @tmpfile
- @tmpfile = nil
- @data[1] = nil if @data
- end
- protected :_close
-
- # Closes the file. If the optional flag is true, unlinks the file
- # after closing.
- #
- # If you don't explicitly unlink the temporary file, the removal
- # will be delayed until the object is finalized.
- def close(unlink_now=false)
- if unlink_now
- close!
- else
- _close
- end
- end
-
- # Closes and unlinks the file.
- def close!
- _close
- @clean_proc.call
- ObjectSpace.undefine_finalizer(self)
- @data = @tmpname = nil
- end
-
- # Unlinks the file. On UNIX-like systems, it is often a good idea
- # to unlink a temporary file immediately after creating and opening
- # it, because it leaves other programs zero chance to access the
- # file.
- def unlink
- # keep this order for thread safeness
- begin
- File.unlink(@tmpname) if File.exist?(@tmpname)
- @@cleanlist.delete(@tmpname)
- @data = @tmpname = nil
- ObjectSpace.undefine_finalizer(self)
- rescue Errno::EACCES
- # may not be able to unlink on Windows; just ignore
- end
- end
- alias delete unlink
-
- # Returns the full path name of the temporary file.
- def path
- @tmpname
- end
-
- # Returns the size of the temporary file. As a side effect, the IO
- # buffer is flushed before determining the size.
- def size
- if @tmpfile
- @tmpfile.flush
- @tmpfile.stat.size
- else
- 0
- end
- end
- alias length size
-
- class << self
- def callback(data) # :nodoc:
- pid = $$
- lambda{
- if pid == $$
- path, tmpfile, cleanlist = *data
-
- print "removing ", path, "..." if $DEBUG
-
- tmpfile.close if tmpfile
-
- # keep this order for thread safeness
- File.unlink(path) if File.exist?(path)
- cleanlist.delete(path) if cleanlist
-
- print "done\n" if $DEBUG
- end
- }
- end
-
- # If no block is given, this is a synonym for new().
- #
- # If a block is given, it will be passed tempfile as an argument,
- # and the tempfile will automatically be closed when the block
- # terminates. In this case, open() returns nil.
- def open(*args)
- tempfile = new(*args)
-
- if block_given?
- begin
- yield(tempfile)
- ensure
- tempfile.close
- end
-
- nil
- else
- tempfile
- end
- end
- end
-end
-
-if __FILE__ == $0
-# $DEBUG = true
- f = Tempfile.new("foo")
- f.print("foo\n")
- f.close
- f.open
- p f.gets # => "foo\n"
- f.close!
-end
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