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author | Yehuda Katz <wycats@gmail.com> | 2009-01-30 11:30:27 -0800 |
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committer | Yehuda Katz <wycats@gmail.com> | 2009-01-30 11:30:27 -0800 |
commit | 3030bc90c95e335d726f06fd7a61ed96055e9109 (patch) | |
tree | 5b079250b368f0e8af6d2f72a4278fdab3382b26 /actionpack/lib/action_view/template/renderable.rb | |
parent | ae42163bf5497849e4fcbb736505910c17640459 (diff) | |
parent | 85750f22c90c914a429116fb908990c5a2c68379 (diff) | |
download | rails-3030bc90c95e335d726f06fd7a61ed96055e9109.tar.gz rails-3030bc90c95e335d726f06fd7a61ed96055e9109.tar.bz2 rails-3030bc90c95e335d726f06fd7a61ed96055e9109.zip |
Merge commit 'rails/3-0-unstable'
Conflicts:
actionpack/lib/action_controller/base.rb
actionpack/lib/action_dispatch/http/mime_type.rb
actionpack/lib/action_dispatch/http/request.rb
actionpack/lib/action_view/base.rb
actionpack/lib/action_view/paths.rb
actionpack/test/controller/session/cookie_store_test.rb
actionpack/test/dispatch/rack_test.rb
actionpack/test/dispatch/request_test.rb
Diffstat (limited to 'actionpack/lib/action_view/template/renderable.rb')
-rw-r--r-- | actionpack/lib/action_view/template/renderable.rb | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/actionpack/lib/action_view/template/renderable.rb b/actionpack/lib/action_view/template/renderable.rb new file mode 100644 index 0000000000..35c832aaba --- /dev/null +++ b/actionpack/lib/action_view/template/renderable.rb @@ -0,0 +1,74 @@ +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 + memoize :compiled_source + + def method_name_without_locals + ['_run', extension, method_segment].compact.join('_') + end + memoize :method_name_without_locals + + 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 + + # 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 + + private + 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 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 |