Sha256: d5c5eaa77b2e6801a1e7ee38d7516808429f4fb3166507d1cca5725b8aac3a90
Contents?: true
Size: 932 Bytes
Versions: 7
Compression:
Stored size: 932 Bytes
Contents
##
# Works exactly like Array#pack and String#unpack, except that it
# inverts 'q' & 'Q' prior packing/after unpacking. This is done to
# achieve network byte order for these values on a little-endian machine.
#
# FIXME: implement check for big-endian machines.
module Memcached::PackArray
def self.pack(ary, fmt1)
fmt2 = ''
values = []
fmt1.each_char do |c|
if c == 'Q' || c == 'q'
fmt2 += 'a8'
values << [ary.shift].pack(c).reverse
else
fmt2 += c
values << ary.shift
end
end
values.pack(fmt2)
end
def self.unpack(buf, fmt1)
fmt2 = ''
reverse = []
i = 0
fmt1.each_char do |c|
if c == 'Q' || c == 'q'
fmt2 += 'a8'
reverse << [i, c]
else
fmt2 += c
end
i += 1
end
ary = buf.unpack(fmt2)
reverse.each do |i, c|
ary[i], = ary[i].reverse.unpack(c)
end
ary
end
end
Version data entries
7 entries across 7 versions & 2 rubygems