diff options
Diffstat (limited to 'actionview/lib/action_view/template/handlers/erb.rb')
| -rw-r--r-- | actionview/lib/action_view/template/handlers/erb.rb | 109 |
1 files changed, 24 insertions, 85 deletions
diff --git a/actionview/lib/action_view/template/handlers/erb.rb b/actionview/lib/action_view/template/handlers/erb.rb index 85a100ed4c..b6314a5bc3 100644 --- a/actionview/lib/action_view/template/handlers/erb.rb +++ b/actionview/lib/action_view/template/handlers/erb.rb @@ -1,96 +1,35 @@ -require 'erubis' +# frozen_string_literal: true module ActionView class Template module Handlers - class Erubis < ::Erubis::Eruby - def add_preamble(src) - @newline_pending = 0 - src << "@output_buffer = output_buffer || ActionView::OutputBuffer.new;" - end - - def add_text(src, text) - return if text.empty? - - if text == "\n" - @newline_pending += 1 - else - src << "@output_buffer.safe_append='" - src << "\n" * @newline_pending if @newline_pending > 0 - src << escape_text(text) - src << "'.freeze;" - - @newline_pending = 0 - end - end - - # Erubis toggles <%= and <%== behavior when escaping is enabled. - # We override to always treat <%== as escaped. - def add_expr(src, code, indicator) - case indicator - when '==' - add_expr_escaped(src, code) - else - super - end - end - - BLOCK_EXPR = /\s*((\s+|\))do|\{)(\s*\|[^|]*\|)?\s*\Z/ - - def add_expr_literal(src, code) - flush_newline_if_pending(src) - if code =~ BLOCK_EXPR - src << '@output_buffer.append= ' << code - else - src << '@output_buffer.append=(' << code << ');' - end - end - - def add_expr_escaped(src, code) - flush_newline_if_pending(src) - if code =~ BLOCK_EXPR - src << "@output_buffer.safe_expr_append= " << code - else - src << "@output_buffer.safe_expr_append=(" << code << ");" - end - end - - def add_stmt(src, code) - flush_newline_if_pending(src) - super - end - - def add_postamble(src) - flush_newline_if_pending(src) - src << '@output_buffer.to_s' - end - - def flush_newline_if_pending(src) - if @newline_pending > 0 - src << "@output_buffer.safe_append='#{"\n" * @newline_pending}'.freeze;" - @newline_pending = 0 - end - end - end - class ERB + autoload :Erubi, "action_view/template/handlers/erb/erubi" + # Specify trim mode for the ERB compiler. Defaults to '-'. # See ERB documentation for suitable values. - class_attribute :erb_trim_mode - self.erb_trim_mode = '-' + class_attribute :erb_trim_mode, default: "-" # Default implementation used. - class_attribute :erb_implementation - self.erb_implementation = Erubis + class_attribute :erb_implementation, default: Erubi # Do not escape templates of these mime types. - class_attribute :escape_whitelist - self.escape_whitelist = ["text/plain"] + class_attribute :escape_ignore_list, default: ["text/plain"] + + [self, singleton_class].each do |base| + base.alias_method :escape_whitelist, :escape_ignore_list + base.alias_method :escape_whitelist=, :escape_ignore_list= + + base.deprecate( + escape_whitelist: "use #escape_ignore_list instead", + :escape_whitelist= => "use #escape_ignore_list= instead" + ) + end ENCODING_TAG = Regexp.new("\\A(<%#{ENCODING_FLAG}-?%>)[ \\t]*") - def self.call(template) - new.call(template) + def self.call(template, source) + new.call(template, source) end def supports_streaming? @@ -101,25 +40,25 @@ module ActionView true end - def call(template) + def call(template, source) # First, convert to BINARY, so in case the encoding is # wrong, we can still find an encoding tag # (<%# encoding %>) inside the String using a regular # expression - template_source = template.source.dup.force_encoding(Encoding::ASCII_8BIT) + template_source = source.dup.force_encoding(Encoding::ASCII_8BIT) - erb = template_source.gsub(ENCODING_TAG, '') + erb = template_source.gsub(ENCODING_TAG, "") encoding = $2 - erb.force_encoding valid_encoding(template.source.dup, encoding) + erb.force_encoding valid_encoding(source.dup, encoding) # Always make sure we return a String in the default_internal erb.encode! self.class.erb_implementation.new( erb, - :escape => (self.class.escape_whitelist.include? template.type), - :trim => (self.class.erb_trim_mode == "-") + escape: (self.class.escape_ignore_list.include? template.type), + trim: (self.class.erb_trim_mode == "-") ).src end |