diff options
Diffstat (limited to 'actionpack/lib/action_view/template.rb')
| -rw-r--r-- | actionpack/lib/action_view/template.rb | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/actionpack/lib/action_view/template.rb b/actionpack/lib/action_view/template.rb index 10797c010f..fbc135c4a7 100644 --- a/actionpack/lib/action_view/template.rb +++ b/actionpack/lib/action_view/template.rb @@ -3,6 +3,32 @@ require 'active_support/core_ext/object/blank' require 'active_support/core_ext/object/try' require 'active_support/core_ext/kernel/singleton_class' +if defined?(RUBY_ENGINE) && RUBY_ENGINE == 'ruby' && RUBY_VERSION == '1.9.3' && RUBY_PATCHLEVEL == 0 + # This is a hack to work around a bug in Ruby 1.9.3p0: + # http://redmine.ruby-lang.org/issues/5564 + # + # Basically, at runtime we may need to perform some encoding conversions on the templates, + # but if the converter hasn't been loaded by Ruby beforehand (i.e. now), then it won't be + # able to find it (due to a bug). + # + # However, we don't know what conversions we may need to do a runtime. So we load up a + # marshal-dumped structure which contains a pre-generated list of all the possible conversions, + # and we load all of them. + # + # In my testing this increased the process size by about 3.9 MB (after the conversions array + # is GC'd) and took around 170ms to run, which seems acceptable for a workaround. + # + # The script to dump the conversions is: https://gist.github.com/1342729 + + filename = File.join(File.dirname(__FILE__), 'data', 'encoding_conversions.dump') + conversions = Marshal.load(File.read(filename)) + conversions.each do |from, to_array| + to_array.each do |to| + Encoding::Converter.new(from, to) + end + end +end + module ActionView # = Action View Template class Template |