So matz made the decision to keep upcase
and downcase
limited to /[A-Z]/i
in ruby 1.9.1.
ActiveSupport::Multibyte
has long had great i18n case jiggering in ruby 1.8.x via String#mb_chars
.
However, when tried under ruby 1.9.1, it doesn't seem to work. Here's a simple test script I wrote, along with the output I'm getting:
$ cat test.rb
# encoding: UTF-8
puts("@ #{RUBY_VERSION} " + (__ENCODING__ rescue $KCODE).to_s)
sd, su = "Iñtërnâtiônàlizætiøn", "IÑTËRNÂTIÔNÀLIZÆTIØN"
def ps(u, d, k); puts "%-30s: %24s / %-24s" % [k, u, d] end
ps sd.upcase, su.downcase, "Plain ruby"
require 'rubygems'; require 'active_support'
ps sd.upcase, su.downcase, "With active_support"
ps sd.mb_chars.upcase.to_s, su.mb_chars.downcase.to_s, "With active_support mb_chars"
$ ruby -KU test.rb
@ 1.8.7 UTF8
Plain ruby : IñTëRNâTIôNàLIZæTIøN / iÑtËrnÂtiÔnÀlizÆtiØn
With active_support : IñTëRNâTIôNàLIZæTIøN / iÑtËrnÂtiÔnÀlizÆtiØn
With active_support mb_chars : IÑTËRNÂTIÔNÀLIZÆTIØN / iñtërnâtiônàlizætiøn
$ ruby1.9 test.rb
@ 1.9.1 UTF-8
Plain ruby : IñTëRNâTIôNàLIZæTIøN / iÑtËrnÂtiÔnÀlizÆtiØn
With active_support : IñTëRNâTIôNàLIZæTIøN / iÑtËrnÂtiÔnÀlizÆtiØn
With active_support mb_chars : IñTëRNâTIôNàLIZæTIøN / iÑtËrnÂtiÔnÀlizÆtiØn
So, how do I get internationalized upcase
and downcase
with ruby 1.9.1?
I should add that I also tested with ActiveSupport from the current master
, 2-3-*
and 3-0-unstable
rails branches at GitHub. Same results.
for anybody coming from Google by ruby upcase utf8
:
> "your problem chars here çöğıü Iñtërnâtiônàlizætiøn".mb_chars.upcase.to_s
=> "YOUR PROBLEM CHARS HERE ÇÖĞIÜ IÑTËRNÂTIÔNÀLIZÆTIØN"
solution is to use mb_chars
.
Documentation: