diff options
Diffstat (limited to 'actionpack/lib/action_view/helpers/deprecated_block_helpers.rb')
| -rw-r--r-- | actionpack/lib/action_view/helpers/deprecated_block_helpers.rb | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/actionpack/lib/action_view/helpers/deprecated_block_helpers.rb b/actionpack/lib/action_view/helpers/deprecated_block_helpers.rb new file mode 100644 index 0000000000..3d0657e873 --- /dev/null +++ b/actionpack/lib/action_view/helpers/deprecated_block_helpers.rb @@ -0,0 +1,52 @@ +module ActionView + module Helpers + module DeprecatedBlockHelpers + extend ActiveSupport::Concern + + include ActionView::Helpers::TagHelper + include ActionView::Helpers::TextHelper + include ActionView::Helpers::JavaScriptHelper + include ActionView::Helpers::FormHelper + + def content_tag(*, &block) + block_called_from_erb?(block) ? safe_concat(super) : super + end + + def javascript_tag(*, &block) + block_called_from_erb?(block) ? safe_concat(super) : super + end + + def form_for(*, &block) + block_called_from_erb?(block) ? safe_concat(super) : super + end + + def form_tag(*, &block) + block_called_from_erb?(block) ? safe_concat(super) : super + end + + def fields_for(*, &block) + block_called_from_erb?(block) ? safe_concat(super) : super + end + + def field_set_tag(*, &block) + block_called_from_erb?(block) ? safe_concat(super) : super + end + + BLOCK_CALLED_FROM_ERB = 'defined? __in_erb_template' + + if RUBY_VERSION < '1.9.0' + # Check whether we're called from an erb template. + # We'd return a string in any other case, but erb <%= ... %> + # can't take an <% end %> later on, so we have to use <% ... %> + # and implicitly concat. + def block_called_from_erb?(block) + block && eval(BLOCK_CALLED_FROM_ERB, block) + end + else + def block_called_from_erb?(block) + block && eval(BLOCK_CALLED_FROM_ERB, block.binding) + end + end + end + end +end
\ No newline at end of file |