зеркало из https://github.com/github/ruby.git
137 строки
3.6 KiB
Ruby
137 строки
3.6 KiB
Ruby
#
|
|
# tmpdir - retrieve temporary directory path
|
|
#
|
|
# $Id$
|
|
#
|
|
|
|
require 'fileutils'
|
|
|
|
class Dir
|
|
|
|
@@systmpdir = '/tmp'
|
|
|
|
begin
|
|
require 'Win32API'
|
|
CSIDL_LOCAL_APPDATA = 0x001c
|
|
max_pathlen = 260
|
|
windir = "\0"*(max_pathlen+1)
|
|
begin
|
|
getdir = Win32API.new('shell32', 'SHGetFolderPath', 'LLLLP', 'L')
|
|
raise RuntimeError if getdir.call(0, CSIDL_LOCAL_APPDATA, 0, 0, windir) != 0
|
|
windir.rstrip!
|
|
rescue RuntimeError
|
|
begin
|
|
getdir = Win32API.new('kernel32', 'GetSystemWindowsDirectory', 'PL', 'L')
|
|
rescue RuntimeError
|
|
getdir = Win32API.new('kernel32', 'GetWindowsDirectory', 'PL', 'L')
|
|
end
|
|
windir[getdir.call(windir, windir.size)..-1] = ""
|
|
end
|
|
windir.force_encoding(Dir.pwd.encoding)
|
|
temp = File.expand_path('temp', windir.untaint)
|
|
@@systmpdir = temp if File.directory?(temp) and File.writable?(temp)
|
|
rescue LoadError
|
|
end
|
|
|
|
##
|
|
# Returns the operating system's temporary file path.
|
|
|
|
def Dir::tmpdir
|
|
tmp = '.'
|
|
if $SAFE > 0
|
|
tmp = @@systmpdir
|
|
else
|
|
for dir in [ENV['TMPDIR'], ENV['TMP'], ENV['TEMP'], @@systmpdir, '/tmp']
|
|
if dir and stat = File.stat(dir) and stat.directory? and stat.writable?
|
|
tmp = dir
|
|
break
|
|
end rescue nil
|
|
end
|
|
File.expand_path(tmp)
|
|
end
|
|
end
|
|
|
|
# Dir.mktmpdir creates a temporary directory.
|
|
#
|
|
# The directory is created with 0700 permission.
|
|
#
|
|
# The prefix and suffix of the name of the directory is specified by
|
|
# the optional first argument, <i>prefix_suffix</i>.
|
|
# - If it is not specified or nil, "d" is used as the prefix and no suffix is used.
|
|
# - If it is a string, it is used as the prefix and no suffix is used.
|
|
# - If it is an array, first element is used as the prefix and second element is used as a suffix.
|
|
#
|
|
# Dir.mktmpdir {|dir| dir is ".../d..." }
|
|
# Dir.mktmpdir("foo") {|dir| dir is ".../foo..." }
|
|
# Dir.mktmpdir(["foo", "bar"]) {|dir| dir is ".../foo...bar" }
|
|
#
|
|
# The directory is created under Dir.tmpdir or
|
|
# the optional second argument <i>tmpdir</i> if non-nil value is given.
|
|
#
|
|
# Dir.mktmpdir {|dir| dir is "#{Dir.tmpdir}/d..." }
|
|
# Dir.mktmpdir(nil, "/var/tmp") {|dir| dir is "/var/tmp/d..." }
|
|
#
|
|
# If a block is given,
|
|
# it is yielded with the path of the directory.
|
|
# The directory and its contents are removed
|
|
# using FileUtils.remove_entry_secure before Dir.mktmpdir returns.
|
|
# The value of the block is returned.
|
|
#
|
|
# Dir.mktmpdir {|dir|
|
|
# # use the directory...
|
|
# open("#{dir}/foo", "w") { ... }
|
|
# }
|
|
#
|
|
# If a block is not given,
|
|
# The path of the directory is returned.
|
|
# In this case, Dir.mktmpdir doesn't remove the directory.
|
|
#
|
|
# dir = Dir.mktmpdir
|
|
# begin
|
|
# # use the directory...
|
|
# open("#{dir}/foo", "w") { ... }
|
|
# ensure
|
|
# # remove the directory.
|
|
# FileUtils.remove_entry_secure dir
|
|
# end
|
|
#
|
|
def Dir.mktmpdir(prefix_suffix=nil, tmpdir=nil)
|
|
case prefix_suffix
|
|
when nil
|
|
prefix = "d"
|
|
suffix = ""
|
|
when String
|
|
prefix = prefix_suffix
|
|
suffix = ""
|
|
when Array
|
|
prefix = prefix_suffix[0]
|
|
suffix = prefix_suffix[1]
|
|
else
|
|
raise ArgumentError, "unexpected prefix_suffix: #{prefix_suffix.inspect}"
|
|
end
|
|
tmpdir ||= Dir.tmpdir
|
|
t = Time.now.strftime("%Y%m%d")
|
|
n = nil
|
|
begin
|
|
path = "#{tmpdir}/#{prefix}#{t}-#{$$}-#{rand(0x100000000).to_s(36)}"
|
|
path << "-#{n}" if n
|
|
path << suffix
|
|
Dir.mkdir(path, 0700)
|
|
rescue Errno::EEXIST
|
|
n ||= 0
|
|
n += 1
|
|
retry
|
|
end
|
|
|
|
if block_given?
|
|
begin
|
|
yield path
|
|
ensure
|
|
FileUtils.remove_entry_secure path
|
|
end
|
|
else
|
|
path
|
|
end
|
|
end
|
|
end
|