diff options
Diffstat (limited to 'actionpack/lib/action_view/template.rb')
| -rw-r--r-- | actionpack/lib/action_view/template.rb | 124 |
1 files changed, 64 insertions, 60 deletions
diff --git a/actionpack/lib/action_view/template.rb b/actionpack/lib/action_view/template.rb index 10797c010f..edb3d427d5 100644 --- a/actionpack/lib/action_view/template.rb +++ b/actionpack/lib/action_view/template.rb @@ -1,4 +1,3 @@ -require 'active_support/core_ext/array/wrap' require 'active_support/core_ext/object/blank' require 'active_support/core_ext/object/try' require 'active_support/core_ext/kernel/singleton_class' @@ -122,7 +121,7 @@ module ActionView @locals = details[:locals] || [] @virtual_path = details[:virtual_path] @updated_at = details[:updated_at] || Time.now - @formats = Array.wrap(format).map { |f| f.is_a?(Mime::Type) ? f.ref : f } + @formats = Array(format).map { |f| f.is_a?(Mime::Type) ? f.ref : f } end # Returns if the underlying handler supports streaming. If so, @@ -173,6 +172,50 @@ module ActionView @inspect ||= defined?(Rails.root) ? identifier.sub("#{Rails.root}/", '') : identifier end + # This method is responsible for properly setting the encoding of the + # source. Until this point, we assume that the source is BINARY data. + # If no additional information is supplied, we assume the encoding is + # the same as <tt>Encoding.default_external</tt>. + # + # The user can also specify the encoding via a comment on the first + # line of the template (# encoding: NAME-OF-ENCODING). This will work + # with any template engine, as we process out the encoding comment + # before passing the source on to the template engine, leaving a + # blank line in its stead. + def encode! + return unless source.encoding == Encoding::BINARY + + # Look for # encoding: *. If we find one, we'll encode the + # String in that encoding, otherwise, we'll use the + # default external encoding. + if source.sub!(/\A#{ENCODING_FLAG}/, '') + encoding = magic_encoding = $1 + else + encoding = Encoding.default_external + end + + # Tag the source with the default external encoding + # or the encoding specified in the file + source.force_encoding(encoding) + + # If the user didn't specify an encoding, and the handler + # handles encodings, we simply pass the String as is to + # the handler (with the default_external tag) + if !magic_encoding && @handler.respond_to?(:handles_encoding?) && @handler.handles_encoding? + source + # Otherwise, if the String is valid in the encoding, + # encode immediately to default_internal. This means + # that if a handler doesn't handle encodings, it will + # always get Strings in the default_internal + elsif source.valid_encoding? + source.encode! + # Otherwise, since the String is invalid in the encoding + # specified, raise an exception + else + raise WrongEncodingError.new(source, encoding) + end + end + protected # Compile a template. This method ensures a template is compiled @@ -195,15 +238,7 @@ module ActionView end # Among other things, this method is responsible for properly setting - # the encoding of the source. Until this point, we assume that the - # source is BINARY data. If no additional information is supplied, - # we assume the encoding is the same as <tt>Encoding.default_external</tt>. - # - # The user can also specify the encoding via a comment on the first - # line of the template (# encoding: NAME-OF-ENCODING). This will work - # with any template engine, as we process out the encoding comment - # before passing the source on to the template engine, leaving a - # blank line in its stead. + # the encoding of the compiled template. # # If the template engine handles encodings, we send the encoded # String to the engine without further processing. This allows @@ -215,40 +250,8 @@ module ActionView # In general, this means that templates will be UTF-8 inside of Rails, # regardless of the original source encoding. def compile(view, mod) #:nodoc: + encode! method_name = self.method_name - - if source.encoding_aware? - # Look for # encoding: *. If we find one, we'll encode the - # String in that encoding, otherwise, we'll use the - # default external encoding. - if source.sub!(/\A#{ENCODING_FLAG}/, '') - encoding = magic_encoding = $1 - else - encoding = Encoding.default_external - end - - # Tag the source with the default external encoding - # or the encoding specified in the file - source.force_encoding(encoding) - - # If the user didn't specify an encoding, and the handler - # handles encodings, we simply pass the String as is to - # the handler (with the default_external tag) - if !magic_encoding && @handler.respond_to?(:handles_encoding?) && @handler.handles_encoding? - source - # Otherwise, if the String is valid in the encoding, - # encode immediately to default_internal. This means - # that if a handler doesn't handle encodings, it will - # always get Strings in the default_internal - elsif source.valid_encoding? - source.encode! - # Otherwise, since the String is invalid in the encoding - # specified, raise an exception - else - raise WrongEncodingError.new(source, encoding) - end - end - code = @handler.call(self) # Make sure that the resulting String to be evalled is in the @@ -261,20 +264,18 @@ module ActionView end end_src - if source.encoding_aware? - # Make sure the source is in the encoding of the returned code - source.force_encoding(code.encoding) + # Make sure the source is in the encoding of the returned code + source.force_encoding(code.encoding) - # In case we get back a String from a handler that is not in - # BINARY or the default_internal, encode it to the default_internal - source.encode! + # In case we get back a String from a handler that is not in + # BINARY or the default_internal, encode it to the default_internal + source.encode! - # Now, validate that the source we got back from the template - # handler is valid in the default_internal. This is for handlers - # that handle encoding but screw up - unless source.valid_encoding? - raise WrongEncodingError.new(@source, Encoding.default_internal) - end + # Now, validate that the source we got back from the template + # handler is valid in the default_internal. This is for handlers + # that handle encoding but screw up + unless source.valid_encoding? + raise WrongEncodingError.new(@source, Encoding.default_internal) end begin @@ -287,7 +288,7 @@ module ActionView logger.debug "Backtrace: #{e.backtrace.join("\n")}" end - raise ActionView::Template::Error.new(self, {}, e) + raise ActionView::Template::Error.new(self, e) end end @@ -296,9 +297,12 @@ module ActionView e.sub_template_of(self) raise e else - assigns = view.respond_to?(:assigns) ? view.assigns : {} - template = @virtual_path ? refresh(view) : self - raise Template::Error.new(template, assigns, e) + template = self + unless template.source + template = refresh(view) + template.encode! + end + raise Template::Error.new(template, e) end end |