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# encoding: utf-8
require 'ffi-xattr'
class Xattr # :nodoc: all
module Lib
class << self
def list(path, no_follow)
lines = `dir /r "#{path}"`.split("\n")
xattrs = []
lines.each { |line|
if line =~ /\:\$DATA$/
size = line.split(' ')[0].gsub(/[^0-9]/,'').to_i
if size > 0
xattrs << line.split(':')[1]
end
end
}
xattrs
end
def get(path, no_follow, key)
fp = "#{path}:#{key}"
if File.exists?(fp)
File.binread(fp)
else
raise "No such key. #{key.inspect} #{path.inspect}"
end
end
def set(path, no_follow, key, value)
File.open("#{path}:#{key}",'wb') { |io| io << value }
end
def remove(path, no_follow, key)
# done this way because Windows have no function to remove Alternate Data Stream
# quickest way is to set the value to 0 byte length instead of trying to create another file then apply the attributes, especially when dealing with a big file
self.set(path, false, key, '')
end
end
end
end
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