Extract anchors validation classes to separate files

1 files changed, 1 insertions, 174 deletions

diff --git a/lib/checks/anchors.rb b/lib/checks/anchors.rb
index 9d6121d1..a1e2b82e 100644
--- a/lib/checks/anchors.rb
+++ b/lib/checks/anchors.rb
@@ -1,176 +1,3 @@
-module Gitlab
-  module Docs
-    module Nanoc
-      def self.config
-        @config ||= YAML.load(File.read('nanoc.yaml'))
-      end
-
-      def self.output_dir
-        config.fetch('output_dir')
-      end
-    end
-
-    class Element
-      def initialize(name, attributes)
-        @name = name
-        @attributes = attributes
-      end
-
-      def link?
-        @name == 'a' && !href.to_s.empty?
-      end
-
-      def has_id?
-        !id.to_s.empty?
-      end
-
-      def href
-        @href ||= attribute('href')
-      end
-
-      def id
-        @id ||= attribute('id')
-      end
-
-      private
-
-      def attribute(name)
-        @attributes.find { |attr| attr.first == name }&.last
-      end
-    end
-
-    class Document < Nokogiri::XML::SAX::Document
-      def initialize(page)
-        @page = page
-      end
-
-      def start_element(name, attributes = [])
-        Gitlab::Docs::Element.new(name, attributes).tap do |element|
-          @page.hrefs << element.href if element.link?
-          @page.ids << element.id if element.has_id?
-        end
-      end
-    end
-
-    class Page
-      attr_reader :file
-      attr_accessor :hrefs, :ids
-
-      def initialize(file)
-        @file = file
-
-        @hrefs = []
-        @ids = []
-
-        return unless exists?
-
-        Nokogiri::HTML::SAX::Parser
-          .new(Gitlab::Docs::Document.new(self))
-          .parse(File.read(file))
-      end
-
-      def exists?
-        File.exists?(@file)
-      end
-
-      def directory
-        File.dirname(@file)
-      end
-
-      def content
-        raise unless exists?
-
-        @content ||= File.read(@file)
-      end
-
-      def links
-        @links ||= @hrefs.map do |link|
-          Gitlab::Docs::Link.new(link, self)
-        end
-      end
-
-      def has_anchor?(name)
-        @ids.include?(name)
-      end
-
-      def self.build(path)
-        if path.end_with?('.html')
-          new(path)
-        else
-          new(File.join(path, 'index.html'))
-        end
-      end
-    end
-
-    class Link
-      attr_reader :link, :href, :page
-
-      def initialize(link, page)
-        @href = link
-        @page = page
-      end
-
-      def to_anchor?
-        @href.to_s.include?('#')
-      end
-
-      def anchor_name
-        raise ArguentError unless to_anchor?
-
-        @href.to_s.partition('#').last.downcase
-      end
-
-      def internal_anchor?
-        raise ArguentError unless to_anchor?
-
-        @href.to_s.partition('#').first.empty?
-      end
-
-      def internal?
-        @href.to_s.length > 0 && !@href.include?(':')
-      end
-
-      def path
-        @href.to_s.partition('#').first
-      end
-
-      def absolute_path
-        raise unless internal?
-
-        if @href.start_with?('/')
-          Gitlab::Docs::Nanoc.output_dir + path
-        else
-          ::File.expand_path(path, @page.directory)
-        end
-      end
-
-      def destination_page
-        if internal_anchor?
-          @page
-        else
-          Gitlab::Docs::Page.build(absolute_path)
-        end
-      end
-
-      def source_file
-        @page.file
-      end
-
-      def destination_file
-        destination_page.file
-      end
-
-      def destination_page_not_found?
-        !destination_page.exists?
-      end
-
-      def destination_anchor_not_found?
-        !destination_page.has_anchor?(anchor_name)
-      end
-    end
-  end
-end
-
 Nanoc::Check.define(:internal_anchors) do
   output_html_filenames.each do |file|
     Gitlab::Docs::Page.new(file).links.each do |link|
@@ -182,8 +9,8 @@ Nanoc::Check.define(:internal_anchors) do
         add_issue <<~ERROR
           Destination page not found!
                 - link `#{link.href}`
-                - destination `#{link.destination_file}`
                 - source file `#{link.source_file}`
+                - destination `#{link.destination_file}`
         ERROR
       elsif link.destination_anchor_not_found?
         add_issue <<~ERROR