render.rb in roda-3.15.0

- old
+ new

@@ -54,10 +54,14 @@
     # :check_paths :: Can be set to false to turn off template path checking.
     # :engine :: The tilt engine to use for rendering, also the default file extension for
     #            templates, defaults to 'erb'.
     # :escape :: Use Erubi as the ERB template engine, and enable escaping by default,
     #            which makes <tt><%= %></tt> escape output and  <tt><%== %></tt> not escape output.
+    #            If given, sets the <tt>:escape=>true</tt> option for all template engines, which
+    #            can break some non-ERB template engines.  You can use a string or array of strings
+    #            as the value for this option to only set the <tt>:escape=>true</tt> option for those
+    #            specific template engines.
     # :layout :: The base name of the layout file, defaults to 'layout'.  This can be provided as a hash
     #            with the :template or :inline options.
     # :layout_opts :: The options to use when rendering the layout, if different from the default options.
     # :template_opts :: The tilt options used when rendering all templates. defaults to:
     #                   <tt>{outvar: '@_out_buf', default_encoding: Encoding.default_external}</tt>.
@@ -182,21 +186,29 @@
         template_opts[:outvar] ||= '@_out_buf'
         unless template_opts.has_key?(:default_encoding)
           template_opts[:default_encoding] = Encoding.default_external
         end
 
-        if opts[:escape]
-          require 'tilt/erubi'
-          template_opts[:escape] = true
-        end
-        template_opts.freeze
-
         engine_opts = opts[:engine_opts] = (opts[:engine_opts] || {}).dup
         engine_opts.to_a.each do |k,v|
           engine_opts[k] = v.dup.freeze
         end
-        engine_opts.freeze
 
+        if escape = opts[:escape]
+          require 'tilt/erubi'
+
+          case escape
+          when String, Array
+            Array(escape).each do |engine|
+              engine_opts[engine] = (engine_opts[engine] || {}).merge(:escape => true).freeze
+            end
+          else
+            template_opts[:escape] = true
+          end
+        end
+
+        template_opts.freeze
+        engine_opts.freeze
         opts.freeze
       end
 
       module ClassMethods
         # Copy the rendering options into the subclass, duping