X-Git-Url: https://git.njae.me.uk/?a=blobdiff_plain;f=vendor%2Frails%2Factionpack%2Flib%2Faction_view%2Frenderable.rb;fp=vendor%2Frails%2Factionpack%2Flib%2Faction_view%2Frenderable.rb;h=ff7bc7d9def2952533cb7cd058bb775f8967e980;hb=437aa336c44c74a30aeea16a06743c32747ed661;hp=0000000000000000000000000000000000000000;hpb=97a0772b06264134cfe38e7494f9427efe0840a0;p=feedcatcher.git

diff --git a/vendor/rails/actionpack/lib/action_view/renderable.rb b/vendor/rails/actionpack/lib/action_view/renderable.rb
new file mode 100644
index 0000000..ff7bc7d
--- /dev/null
+++ b/vendor/rails/actionpack/lib/action_view/renderable.rb
@@ -0,0 +1,95 @@
+# encoding: utf-8
+
+module ActionView
+  # NOTE: The template that this mixin is being included into is frozen
+  # so you cannot set or modify any instance variables
+  module Renderable #:nodoc:
+    extend ActiveSupport::Memoizable
+
+    def filename
+      'compiled-template'
+    end
+
+    def handler
+      Template.handler_class_for_extension(extension)
+    end
+    memoize :handler
+
+    def compiled_source
+      handler.call(self)
+    end
+
+    def method_name_without_locals
+      ['_run', extension, method_segment].compact.join('_')
+    end
+    memoize :method_name_without_locals
+
+    def render(view, local_assigns = {})
+      compile(local_assigns)
+
+      view.with_template self do
+        view.send(:_evaluate_assigns_and_ivars)
+        view.send(:_set_controller_content_type, mime_type) if respond_to?(:mime_type)
+
+        view.send(method_name(local_assigns), local_assigns) do |*names|
+          ivar = :@_proc_for_layout
+          if !view.instance_variable_defined?(:"@content_for_#{names.first}") && view.instance_variable_defined?(ivar) && (proc = view.instance_variable_get(ivar))
+            view.capture(*names, &proc)
+          elsif view.instance_variable_defined?(ivar = :"@content_for_#{names.first || :layout}")
+            view.instance_variable_get(ivar)
+          end
+        end
+      end
+    end
+
+    def method_name(local_assigns)
+      if local_assigns && local_assigns.any?
+        method_name = method_name_without_locals.dup
+        method_name << "_locals_#{local_assigns.keys.map { |k| k.to_s }.sort.join('_')}"
+      else
+        method_name = method_name_without_locals
+      end
+      method_name.to_sym
+    end
+
+    private
+      # Compile and evaluate the template's code (if necessary)
+      def compile(local_assigns)
+        render_symbol = method_name(local_assigns)
+
+        if !Base::CompiledTemplates.method_defined?(render_symbol) || recompile?
+          compile!(render_symbol, local_assigns)
+        end
+      end
+
+      def compile!(render_symbol, local_assigns)
+        locals_code = local_assigns.keys.map { |key| "#{key} = local_assigns[:#{key}];" }.join
+
+        source = <<-end_src
+          def #{render_symbol}(local_assigns)
+            old_output_buffer = output_buffer;#{locals_code};#{compiled_source}
+          ensure
+            self.output_buffer = old_output_buffer
+          end
+        end_src
+
+        begin
+          ActionView::Base::CompiledTemplates.module_eval(source, filename, 0)
+        rescue Errno::ENOENT => e
+          raise e # Missing template file, re-raise for Base to rescue
+        rescue Exception => e # errors from template code
+          if logger = defined?(ActionController) && Base.logger
+            logger.debug "ERROR: compiling #{render_symbol} RAISED #{e}"
+            logger.debug "Function body: #{source}"
+            logger.debug "Backtrace: #{e.backtrace.join("\n")}"
+          end
+
+          raise ActionView::TemplateError.new(self, {}, e)
+        end
+      end
+
+      def recompile?
+        false
+      end
+  end
+end