Syntax highlighting

4 files changed, 24 insertions, 2 deletions

@@ -78,3 +78,4 @@ gem 'sprockets', '3.7.2'
 gem 'lingo', git: "https://git.fourisland.com/lingo", glob: "rails/*.gemspec", branch: "main"
 gem 'will_paginate', '~> 4.0'
 gem 'redcarpet'
+gem 'rouge'
@@ -270,6 +270,7 @@ GEM
       actionpack (>= 5.2)
       railties (>= 5.2)
     rexml (3.2.6)
+    rouge (4.1.3)
     rubyzip (2.3.2)
     sassc (2.4.0)
       ffi (~> 1.9)
@@ -364,6 +365,7 @@ DEPENDENCIES
   pokeviewer!
   rails (~> 7.0.3)
   redcarpet
+  rouge
   sassc-rails
   selenium-webdriver
   spring
@@ -0,0 +1,11 @@
+<%= Rouge::Themes::Pastie.render(:scope => '.highlight') %>
+
+.highlight {
+  background-color: white;
+  padding: 1em;
+}
+
+.highlight .err {
+    color: #a61717;
+    background-color: #f5f7f9;
+}
@@ -1,5 +1,13 @@
+require 'redcarpet'
+require 'rouge'
+require 'rouge/plugins/redcarpet'
+
 module ApplicationHelper
 
+  class HTML < Redcarpet::Render::HTML
+    include Rouge::Plugins::Redcarpet # yep, that's it.
+  end
+
   def title(text)
     content_for :title, text
   end
@@ -12,8 +20,8 @@ module ApplicationHelper
   end
 
   def markdown(text)
-    options = %i[]
-    Markdown.new(text, *options).to_html.html_safe
+    options = { fenced_code_blocks: true, highlight: true }
+    Redcarpet::Markdown.new(HTML.new(), options).render(text).html_safe
   end
 
 end