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-rw-r--r--railties/guides/rails_guides/textile_extensions.rb60
1 files changed, 40 insertions, 20 deletions
diff --git a/railties/guides/rails_guides/textile_extensions.rb b/railties/guides/rails_guides/textile_extensions.rb
index 352c5e91dd..4677fae504 100644
--- a/railties/guides/rails_guides/textile_extensions.rb
+++ b/railties/guides/rails_guides/textile_extensions.rb
@@ -3,23 +3,24 @@ require 'active_support/core_ext/object/inclusion'
module RailsGuides
module TextileExtensions
def notestuff(body)
- body.gsub!(/^(IMPORTANT|CAUTION|WARNING|NOTE|INFO)[.:](.*)$/) do |m|
- css_class = $1.downcase
- css_class = 'warning' if css_class.in?(['caution', 'important'])
-
- result = "<div class='#{css_class}'><p>"
- result << $2.strip
- result << '</p></div>'
- result
- end
- end
-
- def tip(body)
- body.gsub!(/^TIP[.:](.*)$/) do |m|
- result = "<div class='info'><p>"
- result << $1.strip
- result << '</p></div>'
- result
+ # The following regexp detects special labels followed by a
+ # paragraph, perhaps at the end of the document.
+ #
+ # It is important that we do not eat more than one newline
+ # because formatting may be wrong otherwise. For example,
+ # if a bulleted list follows the first item is not rendered
+ # as a list item, but as a paragraph starting with a plain
+ # asterisk.
+ body.gsub!(/^(TIP|IMPORTANT|CAUTION|WARNING|NOTE|INFO)[.:](.*?)(\n(?=\n)|\Z)/m) do |m|
+ css_class = case $1
+ when 'CAUTION', 'IMPORTANT'
+ 'warning'
+ when 'TIP'
+ 'info'
+ else
+ $1.downcase
+ end
+ %Q(<div class="#{css_class}"><p>#{$2.strip}</p></div>)
end
end
@@ -32,11 +33,30 @@ module RailsGuides
body.gsub!('<plus>', '+')
end
+ def brush_for(code_type)
+ case code_type
+ when 'ruby', 'sql', 'plain'
+ code_type
+ when 'erb'
+ 'ruby; html-script: true'
+ when 'html'
+ 'xml' # html is understood, but there are .xml rules in the CSS
+ else
+ 'plain'
+ end
+ end
+
def code(body)
body.gsub!(%r{<(yaml|shell|ruby|erb|html|sql|plain)>(.*?)</\1>}m) do |m|
- es = ERB::Util.h($2)
- css_class = $1.in?(['erb', 'shell']) ? 'html' : $1
- %{<notextile><div class="code_container"><code class="#{css_class}">#{es}</code></div></notextile>}
+ <<HTML
+<notextile>
+<div class="code_container">
+<pre class="brush: #{brush_for($1)}; gutter: false; toolbar: false">
+#{ERB::Util.h($2).strip}
+</pre>
+</div>
+</notextile>
+HTML
end
end
end