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author | Carlhuda <carlhuda@engineyard.com> | 2010-03-09 18:00:28 -0800 |
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committer | wycats <wycats@gmail.com> | 2010-03-09 23:44:12 -0800 |
commit | 4464b8e87bedd69816d4658c9386cc360affb62e (patch) | |
tree | 72598e47159bbdf36cdb4fcfd31682dce4877b9e /actionpack/lib | |
parent | f30b7a0903ac1859a139bce96856d228c59a80b7 (diff) | |
download | rails-4464b8e87bedd69816d4658c9386cc360affb62e.tar.gz rails-4464b8e87bedd69816d4658c9386cc360affb62e.tar.bz2 rails-4464b8e87bedd69816d4658c9386cc360affb62e.zip |
Deprecate block_called_from_erb? pending a solution for getting it into apps
Diffstat (limited to 'actionpack/lib')
6 files changed, 87 insertions, 43 deletions
diff --git a/actionpack/lib/action_view/helpers.rb b/actionpack/lib/action_view/helpers.rb index b4f649385a..e359b0bdac 100644 --- a/actionpack/lib/action_view/helpers.rb +++ b/actionpack/lib/action_view/helpers.rb @@ -10,6 +10,7 @@ module ActionView #:nodoc: autoload :CsrfHelper, 'action_view/helpers/csrf_helper' autoload :DateHelper, 'action_view/helpers/date_helper' autoload :DebugHelper, 'action_view/helpers/debug_helper' + autoload :DeprecatedBlockHelpers, 'action_view/helpers/deprecated_block_helpers' autoload :FormHelper, 'action_view/helpers/form_helper' autoload :FormOptionsHelper, 'action_view/helpers/form_options_helper' autoload :FormTagHelper, 'action_view/helpers/form_tag_helper' diff --git a/actionpack/lib/action_view/helpers/capture_helper.rb b/actionpack/lib/action_view/helpers/capture_helper.rb index 8c48300ed3..75fc2fddeb 100644 --- a/actionpack/lib/action_view/helpers/capture_helper.rb +++ b/actionpack/lib/action_view/helpers/capture_helper.rb @@ -30,14 +30,10 @@ module ActionView # <b><%= @greeting %></b> # </body></html> # - def capture(*args, &block) - # Return captured buffer in erb. - if block_called_from_erb?(block) - with_output_buffer { block.call(*args) } - else - # Return block result otherwise, but protect buffer also. - with_output_buffer { return block.call(*args) } - end + def capture(*args) + value = nil + buffer = with_output_buffer { value = yield *args } + buffer.presence || value end # Calling content_for stores a block of markup in an identifier for later use. @@ -143,7 +139,7 @@ module ActionView # Defaults to a new empty string. def with_output_buffer(buf = nil) #:nodoc: unless buf - buf = ActiveSupport::SafeBuffer.new + buf = ActionView::OutputBuffer.new buf.force_encoding(output_buffer.encoding) if buf.respond_to?(:force_encoding) end self.output_buffer, old_buffer = buf, output_buffer 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..ffbffbf25e --- /dev/null +++ b/actionpack/lib/action_view/helpers/deprecated_block_helpers.rb @@ -0,0 +1,35 @@ +module ActionView + module Helpers + module DeprecatedBlockHelpers + extend ActiveSupport::Concern + + include ActionView::Helpers::TagHelper + include ActionView::Helpers::TextHelper + include ActionView::Helpers::JavaScriptHelper + + 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 + + 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 diff --git a/actionpack/lib/action_view/helpers/javascript_helper.rb b/actionpack/lib/action_view/helpers/javascript_helper.rb index 2c73ff88f7..8dab3094dd 100644 --- a/actionpack/lib/action_view/helpers/javascript_helper.rb +++ b/actionpack/lib/action_view/helpers/javascript_helper.rb @@ -83,13 +83,7 @@ module ActionView content_or_options_with_block end - tag = content_tag(:script, javascript_cdata_section(content), html_options.merge(:type => Mime::JS)) - - if block_called_from_erb?(block) - safe_concat(tag) - else - tag - end + content_tag(:script, javascript_cdata_section(content), html_options.merge(:type => Mime::JS)) end def javascript_cdata_section(content) #:nodoc: diff --git a/actionpack/lib/action_view/helpers/tag_helper.rb b/actionpack/lib/action_view/helpers/tag_helper.rb index 513d72880c..d9d2588a2a 100644 --- a/actionpack/lib/action_view/helpers/tag_helper.rb +++ b/actionpack/lib/action_view/helpers/tag_helper.rb @@ -7,6 +7,9 @@ module ActionView module TagHelper include ERB::Util + extend ActiveSupport::Concern + include CaptureHelper + BOOLEAN_ATTRIBUTES = %w(disabled readonly multiple checked autobuffer autoplay controls loop selected hidden scoped async defer reversed ismap seemless muted required @@ -69,13 +72,7 @@ module ActionView def content_tag(name, content_or_options_with_block = nil, options = nil, escape = true, &block) if block_given? options = content_or_options_with_block if content_or_options_with_block.is_a?(Hash) - content_tag = content_tag_string(name, capture(&block), options, escape) - - if block_called_from_erb?(block) - safe_concat(content_tag) - else - content_tag - end + content_tag_string(name, capture(&block), options, escape) else content_tag_string(name, content_or_options_with_block, options, escape) end @@ -109,21 +106,6 @@ module ActionView end private - 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 def content_tag_string(name, content, options, escape = true) tag_options = tag_options(options, escape) if options diff --git a/actionpack/lib/action_view/template/handlers/erb.rb b/actionpack/lib/action_view/template/handlers/erb.rb index 4b7cec50f3..3fcae167ff 100644 --- a/actionpack/lib/action_view/template/handlers/erb.rb +++ b/actionpack/lib/action_view/template/handlers/erb.rb @@ -3,10 +3,46 @@ require 'active_support/core_ext/string/output_safety' require 'erubis' module ActionView + class OutputBuffer + def initialize + @buffer = ActiveSupport::SafeBuffer.new + end + + def safe_concat(value) + @buffer.safe_concat(value) + end + + def <<(value) + @buffer << value.to_s + end + + def length + @buffer.length + end + + def [](*args) + @buffer[*args] + end + + def to_s + @buffer.to_s + end + + def empty? + @buffer.empty? + end + + if "".respond_to?(:force_encoding) + def force_encoding(encoding) + @buffer.force_encoding(encoding) + end + end + end + module Template::Handlers class Erubis < ::Erubis::Eruby def add_preamble(src) - src << "@output_buffer = ActiveSupport::SafeBuffer.new;" + src << "@output_buffer = ActionView::OutputBuffer.new;" end def add_text(src, text) @@ -15,10 +51,10 @@ module ActionView end def add_expr_literal(src, code) - if code =~ /\s*raw\s+(.*)/ - src << "@output_buffer.safe_concat((" << $1 << ").to_s);" + if code =~ /(do|\{)(\s*\|[^|]*\|)?\s*\Z/ + src << '@output_buffer << ' << code else - src << '@output_buffer << ((' << code << ').to_s);' + src << '@output_buffer << (' << code << ');' end end @@ -42,7 +78,7 @@ module ActionView self.erb_trim_mode = '-' self.default_format = Mime::HTML - + cattr_accessor :erb_implementation self.erb_implementation = Erubis |