Adds scala documentation

Author: Jamie Ly

assets/stylesheets/application-dark.css.scss

@@ -85,6 +85,7 @@
         'pages/rfc',
         'pages/rubydoc',
         'pages/rust',
+        'pages/scala',
         'pages/sinon',
         'pages/socketio',
         'pages/sphinx',

assets/stylesheets/application.css.scss

@@ -85,6 +85,7 @@
         'pages/rfc',
         'pages/rubydoc',
         'pages/rust',
+        'pages/scala',
         'pages/sinon',
         'pages/socketio',
         'pages/sphinx',

assets/stylesheets/pages/_scala.scss

@@ -0,0 +1,4 @@
+._scala {
+  @extend %simple;
+  .deprecated { @extend %label-red; }
+}

lib/docs/filters/scala/clean_html.rb

@@ -0,0 +1,99 @@
+module Docs
+  class Scala
+    class CleanHtmlFilter < Filter
+      def call
+        always
+
+        if slug == 'index'
+          root
+        else
+          other
+        end
+      end
+
+      def always
+        # remove deprecated sections
+        css('.members').each do |members|
+          header = members.at_css('h3')
+          members.remove if header.text.downcase.include? 'deprecate'
+        end
+        # Some of this is just for 2.12
+        # These are things that provide interactive features, which are not supported yet.
+        css('#subpackage-spacer, #search, #mbrsel, .diagram-btn').remove
+        css('#footer').remove
+        css('.toggleContainer').remove
+
+        signature = at_css('#signature')
+        signature.replace %Q|
+          <h2 id="signature">#{signature.inner_html}</h2>
+        |
+
+        css('div.members > h3').each do |node|
+          change_tag! 'h2', node
+        end
+
+        css('div.members > ol').each do |list|
+          list.css('li').each do |li|
+            h3 = doc.document.create_element 'h3'
+            li.prepend_child h3
+            li.css('.shortcomment').remove
+            modifier = li.at_css('.modifier_kind')
+            modifier.parent = h3 if modifier
+            symbol = li.at_css('.symbol')
+            symbol.parent = h3 if symbol
+            li.swap li.children
+          end
+          list.swap list.children
+        end
+
+        pres = css('.fullcomment pre, .fullcommenttop pre')
+        pres.each do |pre|
+          pre['data-language'] = 'scala'
+        end
+        pres.add_class 'language-scala'
+
+
+
+        doc
+
+      end
+
+      def root
+        css('#filter').remove # these are filters to search through the types and packages
+        css('#library').remove # these are icons at the top
+        doc
+      end
+
+      def other
+        # these are sections of the documentation which do not seem useful
+        %w(#inheritedMembers #groupedMembers .permalink .hiddenContent .material-icons).each do |selector|
+          css(selector).remove
+        end
+
+        # This is the kind of thing we have, class, object, trait
+        kind = at_css('.modifier_kind .kind').content
+        # this image replacement doesn't do anything on 2.12 docs
+        img = at_css('img')
+        img.replace %Q|<span class="img_kind">#{kind}</span>| unless img.nil?
+        class_to_add = kind == 'object' ? 'value': 'type'
+
+        # for 2.10, 2.11, the kind class is associated to the body. we have to
+        # add it somewhere, so we do that with the #definition.
+        definition = css('#definition')
+        definition.css('.big_circle').remove
+        definition.add_class class_to_add
+
+        # this is something that is not shown on the site, such as deprecated members
+        css('li[visbl=prt]').remove
+
+        doc
+      end
+
+      private
+
+      def change_tag!(new_tag, node)
+        node.replace %Q|<#{new_tag}>#{node.inner_html}</#{new_tag}>|
+      end
+    end
+  end
+end

lib/docs/filters/scala/clean_html_210.rb

@@ -0,0 +1,32 @@
+module Docs
+  class Scala
+    class CleanHtml210Filter < Filter
+      def call
+        definition = at_css('#definition')
+        begin
+          type = definition.at_css('.img_kind').text
+          name = definition.at_css('h1').text.strip
+
+          package = definition.at_css('#owner').text rescue ''
+          package = package + '.' unless name.empty? || name.start_with?('root')
+
+          other = definition.at_css('.morelinks').dup
+          other_content = other ? "<h3>#{other.to_html}</h3>" : ''
+
+          definition.replace %Q|
+            <h1><small>#{type} #{package}</small>#{name}</h1>
+            #{other_content}
+          |
+        end if definition
+
+        doc
+      end
+
+      private
+
+      def change_tag!(new_tag, node)
+        node.replace %Q|<#{new_tag}>#{node.inner_html}</#{new_tag}>|
+      end
+    end
+  end
+end

lib/docs/filters/scala/clean_html_212.rb

@@ -0,0 +1,36 @@
+module Docs
+  class Scala
+    class CleanHtml212Filter < Filter
+      def call
+        css('.permalink').remove
+
+        definition = at_css('#definition')
+        begin
+          type_full_name = {c: 'class', t: 'trait', o: 'object', 'p': 'package'}
+          type = type_full_name[definition.at_css('.big-circle').text.to_sym]
+          name = definition.at_css('h1').text
+
+          package = definition.at_css('#owner').text rescue ''
+          package = package + '.' unless name.empty? || package.empty?
+
+          other = definition.at_css('.morelinks').dup
+          other_content = other ? "<h3>#{other.to_html}</h3>" : ''
+
+          definition.replace %Q|
+            <h1><small>#{type} #{package}</small>#{name}</h1>
+            #{other_content}
+          |
+
+        end if definition
+
+        doc
+      end
+
+      private
+
+      def change_tag!(new_tag, node)
+        node.replace %Q|<#{new_tag}>#{node.inner_html}</#{new_tag}>|
+      end
+    end
+  end
+end

lib/docs/filters/scala/entries.rb

@@ -0,0 +1,65 @@
+module Docs
+  class Scala
+    class EntriesFilter < Docs::EntriesFilter
+      def get_name
+        # this first condition is mainly for scala 212 docs, which
+        # have their package listing as index.html
+        if is_package?
+          symbol = at_css('#definition h1')
+          symbol ? symbol.text.gsub(/\W+/, '') : "package"
+        else
+          slug.split('/').last
+        end
+      end
+
+      def get_type
+        # if this entry is for a package, we group the package under the parent package
+        if is_package?
+          parent_package
+        # otherwise, group it under the regular package name
+        else
+          package_name
+        end
+      end
+
+      def include_default_entry?
+        true
+      end
+
+      private
+
+      # For the package name, we use the slug rather than parsing the package
+      # name from the HTML because companion object classes may be broken out into
+      # their own entries (by the source documentation). When that happens,
+      # we want to group these classes (like `scala.reflect.api.Annotations.Annotation`)
+      # under the package name, and not the fully-qualfied name which would
+      # include the companion object.
+      def package_name
+        name = package_drop_last(slug_parts)
+        name.empty? ? '_root_' : name
+      end
+
+      def parent_package
+        name = package_name
+        parent = package_drop_last(package_name.split('.'))
+        parent.empty? ? '_root_' : parent
+      end
+
+      def package_drop_last(parts)
+        parts[0...-1].join('.')
+      end
+
+      def slug_parts
+        slug.split('/')
+      end
+
+      def owner
+        at_css('#owner')
+      end
+
+      def is_package?
+        slug.ends_with?('index') || slug.ends_with?('package')
+      end
+    end
+  end
+end

lib/docs/scrapers/scala.rb

@@ -0,0 +1,80 @@
+module Docs
+  class Scala < FileScraper
+    include FixInternalUrlsBehavior
+
+    self.name = 'scala'
+    self.type = 'scala'
+    self.links = {
+      home: 'http://www.scala-lang.org/',
+      code: 'https://github.com/scala/scala'
+    }
+
+    version '2.12 Library' do
+      self.release = '2.12.3'
+      self.dir = '/Users/Thibaut/DevDocs/Docs/Scala212/api/scala-library' # https://downloads.lightbend.com/scala/2.12.3/scala-docs-2.12.3.zip
+      self.base_url = 'http://www.scala-lang.org/api/2.12.3/'
+      self.root_path = 'index.html'
+      options[:attribution] = <<-HTML
+        Scala programming documentation. Copyright (c) 2003-2017 <a
+        href="http://www.epfl.ch" target="_blank">EPFL</a>, with contributions from <a
+        href="http://www.lightbend.com" target="_blank">Lightbend</a>.
+      HTML
+      html_filters.push 'scala/entries', 'scala/clean_html', 'scala/clean_html_212'
+    end
+
+    version '2.12 Reflection' do
+      self.release = '2.12.3'
+      self.dir = '/Users/Thibaut/DevDocs/Docs/Scala212/api/scala-reflect' # https://downloads.lightbend.com/scala/2.12.3/scala-docs-2.12.3.zip
+      self.base_url = 'http://www.scala-lang.org/api/2.12.3/scala-reflect/'
+      self.root_path = 'index.html'
+      options[:attribution] = <<-HTML
+        Scala programming documentation. Copyright (c) 2003-2017 <a
+        href="http://www.epfl.ch" target="_blank">EPFL</a>, with contributions from <a
+        href="http://www.lightbend.com" target="_blank">Lightbend</a>.
+      HTML
+      html_filters.push 'scala/entries', 'scala/clean_html', 'scala/clean_html_212'
+    end
+
+    version '2.11 Library' do
+      self.release = '2.11.8'
+      self.dir = '/Users/Thibaut/DevDocs/Docs/Scala211/api/scala-library' # https://downloads.lightbend.com/scala/2.11.8/scala-docs-2.11.8.zip
+      self.base_url = 'http://www.scala-lang.org/api/2.11.8/'
+      self.root_path = 'package.html'
+      options[:skip_patterns] = [/^index.html/, /index\/index-/]
+      options[:attribution] = <<-HTML
+        Scala programming documentation. Copyright (c) 2003-2016 <a
+        href="http://www.epfl.ch" target="_blank">EPFL</a>, with contributions from <a
+        href="http://www.lightbend.com" target="_blank">Lightbend</a>.
+      HTML
+      html_filters.push 'scala/entries', 'scala/clean_html', 'scala/clean_html_210'
+    end
+
+    version '2.11 Reflection' do
+      self.release = '2.11.8'
+      self.dir = '/Users/Thibaut/DevDocs/Docs/Scala211/api/scala-reflect' # https://downloads.lightbend.com/scala/2.11.8/scala-docs-2.11.8.zip
+      self.base_url = 'http://www.scala-lang.org/api/2.11.8/scala-reflect/'
+      self.root_path = 'package.html'
+      options[:skip_patterns] = [/^index.html/, /index\/index-/]
+      options[:attribution] = <<-HTML
+        Scala programming documentation. Copyright (c) 2003-2016 <a
+        href="http://www.epfl.ch" target="_blank">EPFL</a>, with contributions from <a
+        href="http://www.lightbend.com" target="_blank">Lightbend</a>.
+      HTML
+      html_filters.push 'scala/entries', 'scala/clean_html', 'scala/clean_html_210'
+    end
+
+    version '2.10' do
+      self.release = '2.10.6'
+      self.dir = '/Users/Thibaut/DevDocs/Docs/Scala210' # https://downloads.lightbend.com/scala/2.10.6/scala-docs-2.10.6.zip
+      self.base_url = 'http://www.scala-lang.org/api/2.10.6/'
+      self.root_path = 'package.html'
+      options[:skip_patterns] = [/^index.html/, /index\/index-/]
+      options[:attribution] = <<-HTML
+        Scala programming documentation. Copyright (c) 2003-2013 <a
+        href="http://www.epfl.ch" target="_blank">EPFL</a>, with contributions from <a
+        href="http://typesafe.com" target="_blank">Typesafe</a>.
+      HTML
+      html_filters.push 'scala/entries', 'scala/clean_html', 'scala/clean_html_210'
+    end
+  end
+end