From 3e76d6565603fafa2c85ad81d7b6345c4e279c72 Mon Sep 17 00:00:00 2001
From: Mark Otto <markdotto@gmail.com>
Date: Sun, 28 May 2017 22:50:57 -0700
Subject: Rearrange all the docs to allow for a docs/major.minor/ setup

---
 _plugins/bugify.rb         | 27 +++++++++++++
 _plugins/callout.rb        | 28 ++++++++++++++
 _plugins/highlight_alt.rb  | 95 ++++++++++++++++++++++++++++++++++++++++++++++
 _plugins/markdown-block.rb | 20 ++++++++++
 4 files changed, 170 insertions(+)
 create mode 100644 _plugins/bugify.rb
 create mode 100644 _plugins/callout.rb
 create mode 100644 _plugins/highlight_alt.rb
 create mode 100644 _plugins/markdown-block.rb

(limited to '_plugins')

diff --git a/_plugins/bugify.rb b/_plugins/bugify.rb
new file mode 100644
index 000000000..0f910718b
--- /dev/null
+++ b/_plugins/bugify.rb
@@ -0,0 +1,27 @@
+module Jekyll
+  module BugFilter
+    def bugify(input)
+      upstream_map = {
+        "Bootstrap" => "https://github.com/twbs/bootstrap/issues/",
+        "Edge" => ["https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/", "Edge issue"],
+        "A11yUserVoice" => ["https://microsoftaccessibility.uservoice.com/forums/307429-microsoft-accessibility-feedback/suggestions/", "Microsoft A11y UserVoice idea"],
+        "UserVoice" => ["https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/", "Edge UserVoice idea"],
+        "Mozilla" => ["https://bugzilla.mozilla.org/show_bug.cgi?id=", "Mozilla bug"],
+        "Chromium" => ["https://bugs.chromium.org/p/chromium/issues/detail?id=", "Chromium issue"],
+        "WebKit" => ["https://bugs.webkit.org/show_bug.cgi?id=", "WebKit bug"],
+        "Safari" => ["https://openradar.appspot.com/", "Apple Safari Radar"],
+        "Normalize" => ["https://github.com/necolas/normalize.css/issues/", "Normalize"]
+      }
+
+      upstream_map.each do |key, data|
+        url = data.is_a?(Array) ? data[0] : data
+        label = data.is_a?(Array) ? "#{data[1]} " : ""
+        input = input.gsub(/#{key}#(\d+)/, "<a href=\"#{url}\\1\">#{label}#\\1</a>")
+      end
+
+      return input
+    end
+  end
+end
+
+Liquid::Template.register_filter(Jekyll::BugFilter)
diff --git a/_plugins/callout.rb b/_plugins/callout.rb
new file mode 100644
index 000000000..58453ecb4
--- /dev/null
+++ b/_plugins/callout.rb
@@ -0,0 +1,28 @@
+# Source: https://stackoverflow.com/questions/19169849/how-to-get-markdown-processed-content-in-jekyll-tag-plugin
+
+module Jekyll
+  module Tags
+    class CalloutTag < Liquid::Block
+
+      def initialize(tag_name, type, tokens)
+        super
+        type.strip!
+        if %w(info danger warning).include?(type)
+          @type = type
+        else
+          puts "#{type} callout not supported. Defaulting to info"
+          @type = "info"
+        end
+      end
+
+      def render(context)
+        site = context.registers[:site]
+        converter = site.find_converter_instance(::Jekyll::Converters::Markdown)
+        output = converter.convert(super(context))
+        "<div class=\"bd-callout bd-callout-#{@type}\">#{output}</div>"
+      end
+    end
+  end
+end
+
+Liquid::Template.register_tag('callout', Jekyll::Tags::CalloutTag)
diff --git a/_plugins/highlight_alt.rb b/_plugins/highlight_alt.rb
new file mode 100644
index 000000000..8a86a2202
--- /dev/null
+++ b/_plugins/highlight_alt.rb
@@ -0,0 +1,95 @@
+module Jekyll
+  module Tags
+    class ExampleBlock < Liquid::Block
+      include Liquid::StandardFilters
+
+      # The regular expression syntax checker. Start with the language specifier.
+      # Follow that by zero or more space separated options that take one of three
+      # forms: name, name=value, or name="<quoted list>"
+      #
+      # <quoted list> is a space-separated list of numbers
+      SYNTAX = /^([a-zA-Z0-9.+#-]+)((\s+\w+(=((\w|[0-9_-])+|"([0-9]+\s)*[0-9]+"))?)*)$/
+
+      def initialize(tag_name, markup, tokens)
+        super
+        if markup.strip =~ SYNTAX
+          @lang = $1.downcase
+          @options = {}
+          if defined?($2) && $2 != ''
+            # Split along 3 possible forms -- key="<quoted list>", key=value, or key
+            $2.scan(/(?:\w+(?:=(?:(?:\w|[0-9_-])+|"[^"]*")?)?)/) do |opt|
+              key, value = opt.split('=')
+              # If a quoted list, convert to array
+              if value && value.include?("\"")
+                  value.gsub!(/"/, "")
+                  value = value.split
+              end
+              @options[key.to_sym] = value || true
+            end
+          end
+          @options[:linenos] = false
+        else
+          raise SyntaxError.new <<-eos
+Syntax Error in tag 'example' while parsing the following markup:
+
+  #{markup}
+
+Valid syntax: example <lang>
+eos
+        end
+      end
+
+      def render(context)
+        prefix = context["highlighter_prefix"] || ""
+        suffix = context["highlighter_suffix"] || ""
+        code = super.to_s.strip
+
+        output = case context.registers[:site].highlighter
+
+        when 'rouge'
+          render_rouge(code)
+        end
+
+        rendered_output = example(code) + add_code_tag(output)
+        prefix + rendered_output + suffix
+      end
+
+      def example(output)
+        "<div class=\"bd-example\" data-example-id=\"#{@options[:id]}\">\n#{output}\n</div>"
+      end
+
+      def remove_holderjs(code)
+        code = code.gsub(/data-src="holder.js.+?"/, 'src="..."')
+      end
+
+      def remove_example_classes(code)
+        # Find `bd-` classes and remove them from the highlighted code. Because of how this regex works, it will also
+        # remove classes that are after the `bd-` class. While this is a bug, I left it because it can be helpful too.
+        # To fix the bug, replace `(?=")` with `(?=("|\ ))`.
+        code = code.gsub(/(?!class=".)\ *?bd-.+?(?=")/, "")
+        # Find empty class attributes after the previous regex and remove those too.
+        code = code.gsub(/\ class=""/, "")
+      end
+
+      def render_rouge(code)
+        require 'rouge'
+        formatter = Rouge::Formatters::HTML.new(line_numbers: @options[:linenos], wrap: false)
+        lexer = Rouge::Lexer.find_fancy(@lang, code) || Rouge::Lexers::PlainText
+        code = remove_holderjs(code)
+        code = remove_example_classes(code)
+        code = formatter.format(lexer.lex(code))
+        "<div class=\"highlight\"><pre>#{code}</pre></div>"
+      end
+
+      def add_code_tag(code)
+        # Add nested <code> tags to code blocks
+        code = code.sub(/<pre>\n*/,'<pre><code class="language-' + @lang.to_s.gsub("+", "-") + '" data-lang="' + @lang.to_s + '">')
+        code = code.sub(/\n*<\/pre>/,"</code></pre>")
+        code.strip
+      end
+
+    end
+  end
+end
+
+Liquid::Template.register_tag('example', Jekyll::Tags::ExampleBlock)
diff --git a/_plugins/markdown-block.rb b/_plugins/markdown-block.rb
new file mode 100644
index 000000000..f9f1531b5
--- /dev/null
+++ b/_plugins/markdown-block.rb
@@ -0,0 +1,20 @@
+module Jekyll
+  class MarkdownBlock < Liquid::Block
+    alias_method :render_block, :render
+
+    def initialize(tag_name, markup, tokens)
+      super
+    end
+
+    # Uses the default Jekyll markdown parser to
+    # parse the contents of this block
+    #
+    def render(context)
+      site = context.registers[:site]
+      converter = site.find_converter_instance(::Jekyll::Converters::Markdown)
+      converter.convert(render_block(context))
+    end
+  end
+end
+
+Liquid::Template.register_tag('markdown', Jekyll::MarkdownBlock)
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