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* lib/net/imap.rb (decode_utf7, encode_utf7): refactored by

Nobuyoshi Nakada, to use String#encode.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35604 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
shugo 2012-05-09 07:03:19 +00:00
parent e62c35fb8f
commit 2e63cd97c1
3 changed files with 24 additions and 14 deletions

View file

@ -1,3 +1,8 @@
Wed May 9 16:01:38 2012 Shugo Maeda <shugo@ruby-lang.org>
* lib/net/imap.rb (decode_utf7, encode_utf7): refactored by
Nobuyoshi Nakada, to use String#encode.
Wed May 9 13:26:25 2012 Nobuyoshi Nakada <nobu@ruby-lang.org>
* test/rubygems/test_gem_remote_fetcher.rb: skip OpenSSL dependent

View file

@ -955,27 +955,22 @@ module Net
# Net::IMAP does _not_ automatically encode and decode
# mailbox names to and from utf7.
def self.decode_utf7(s)
return s.gsub(/&(.*?)-/n) {
if $1.empty?
"&"
return s.gsub(/&([^-]+)?-/n) {
if $1
($1.tr(",", "/") + "===").unpack("m")[0].encode(Encoding::UTF_8, Encoding::UTF_16BE)
else
base64 = $1.tr(",", "/")
x = base64.length % 4
if x > 0
base64.concat("=" * (4 - x))
end
base64.unpack("m")[0].unpack("n*").pack("U*")
"&"
end
}.force_encoding("UTF-8")
}
end
# Encode a string from UTF-8 format to modified UTF-7.
def self.encode_utf7(s)
return s.gsub(/(&)|([^\x20-\x7e]+)/u) {
return s.gsub(/(&)|[^\x20-\x7e]+/) {
if $1
"&-"
else
base64 = [$&.unpack("U*").pack("n*")].pack("m")
base64 = [$&.encode(Encoding::UTF_16BE)].pack("m")
"&" + base64.delete("=\n").tr("/", ",") + "-"
end
}.force_encoding("ASCII-8BIT")

View file

@ -18,16 +18,26 @@ class IMAPTest < Test::Unit::TestCase
end
def test_encode_utf7
assert_equal("foo", Net::IMAP.encode_utf7("foo"))
assert_equal("&-", Net::IMAP.encode_utf7("&"))
utf8 = "\357\274\241\357\274\242\357\274\243".force_encoding("UTF-8")
s = Net::IMAP.encode_utf7(utf8)
assert_equal("&,yH,Iv8j-".force_encoding("UTF-8"), s)
assert_equal("&,yH,Iv8j-", s)
s = Net::IMAP.encode_utf7("foo&#{utf8}-bar".encode("EUC-JP"))
assert_equal("foo&-&,yH,Iv8j--bar", s)
utf8 = "\343\201\202&".force_encoding("UTF-8")
s = Net::IMAP.encode_utf7(utf8)
assert_equal("&MEI-&-".force_encoding("UTF-8"), s)
assert_equal("&MEI-&-", s)
s = Net::IMAP.encode_utf7(utf8.encode("EUC-JP"))
assert_equal("&MEI-&-", s)
end
def test_decode_utf7
assert_equal("&", Net::IMAP.decode_utf7("&-"))
assert_equal("&-", Net::IMAP.decode_utf7("&--"))
s = Net::IMAP.decode_utf7("&,yH,Iv8j-")
utf8 = "\357\274\241\357\274\242\357\274\243".force_encoding("UTF-8")
assert_equal(utf8, s)