diff options
| -rw-r--r-- | lib/banzai/filter/abstract_reference_filter.rb | 12 | ||||
| -rw-r--r-- | lib/banzai/filter/redactor_filter.rb | 2 | ||||
| -rw-r--r-- | lib/banzai/filter/reference_filter.rb | 4 | ||||
| -rw-r--r-- | lib/banzai/filter/reference_gatherer_filter.rb | 2 | ||||
| -rw-r--r-- | lib/banzai/querying.rb | 18 | ||||
| -rw-r--r-- | spec/lib/banzai/querying_spec.rb | 13 |
6 files changed, 46 insertions, 5 deletions
diff --git a/lib/banzai/filter/abstract_reference_filter.rb b/lib/banzai/filter/abstract_reference_filter.rb index 63ad8910c0f..230387c8383 100644 --- a/lib/banzai/filter/abstract_reference_filter.rb +++ b/lib/banzai/filter/abstract_reference_filter.rb @@ -47,7 +47,17 @@ module Banzai { object_sym => LazyReference.new(object_class, node.attr(data_reference)) } end - delegate :object_class, :object_sym, :references_in, to: :class + def object_class + self.class.object_class + end + + def object_sym + self.class.object_sym + end + + def references_in(*args, &block) + self.class.references_in(*args, &block) + end def find_object(project, id) # Implement in child class diff --git a/lib/banzai/filter/redactor_filter.rb b/lib/banzai/filter/redactor_filter.rb index f01a32b5ae5..66f77902319 100644 --- a/lib/banzai/filter/redactor_filter.rb +++ b/lib/banzai/filter/redactor_filter.rb @@ -10,7 +10,7 @@ module Banzai # class RedactorFilter < HTML::Pipeline::Filter def call - doc.css('a.gfm').each do |node| + Querying.css(doc, 'a.gfm').each do |node| unless user_can_see_reference?(node) # The reference should be replaced by the original text, # which is not always the same as the rendered text. diff --git a/lib/banzai/filter/reference_filter.rb b/lib/banzai/filter/reference_filter.rb index 8ca05ace88c..7198a8b03e2 100644 --- a/lib/banzai/filter/reference_filter.rb +++ b/lib/banzai/filter/reference_filter.rb @@ -124,7 +124,7 @@ module Banzai def replace_link_nodes_with_text(pattern) return doc if project.nil? - doc.search('a').each do |node| + doc.xpath('descendant-or-self::a').each do |node| klass = node.attr('class') next if klass && klass.include?('gfm') @@ -162,7 +162,7 @@ module Banzai def replace_link_nodes_with_href(pattern) return doc if project.nil? - doc.search('a').each do |node| + doc.xpath('descendant-or-self::a').each do |node| klass = node.attr('class') next if klass && klass.include?('gfm') diff --git a/lib/banzai/filter/reference_gatherer_filter.rb b/lib/banzai/filter/reference_gatherer_filter.rb index 12412ff7ea9..bef04112919 100644 --- a/lib/banzai/filter/reference_gatherer_filter.rb +++ b/lib/banzai/filter/reference_gatherer_filter.rb @@ -16,7 +16,7 @@ module Banzai end def call - doc.css('a.gfm').each do |node| + Querying.css(doc, 'a.gfm').each do |node| gather_references(node) end diff --git a/lib/banzai/querying.rb b/lib/banzai/querying.rb new file mode 100644 index 00000000000..1e1b51e683e --- /dev/null +++ b/lib/banzai/querying.rb @@ -0,0 +1,18 @@ +module Banzai + module Querying + # Searches a Nokogiri document using a CSS query, optionally optimizing it + # whenever possible. + # + # document - A document/element to search. + # query - The CSS query to use. + # + # Returns a Nokogiri::XML::NodeSet. + def self.css(document, query) + # When using "a.foo" Nokogiri compiles this to "//a[...]" but + # "descendant::a[...]" is quite a bit faster and achieves the same result. + xpath = Nokogiri::CSS.xpath_for(query)[0].gsub(%r{^//}, 'descendant::') + + document.xpath(xpath) + end + end +end diff --git a/spec/lib/banzai/querying_spec.rb b/spec/lib/banzai/querying_spec.rb new file mode 100644 index 00000000000..27da2a7439c --- /dev/null +++ b/spec/lib/banzai/querying_spec.rb @@ -0,0 +1,13 @@ +require 'spec_helper' + +describe Banzai::Querying do + describe '.css' do + it 'optimizes queries for elements with classes' do + document = double(:document) + + expect(document).to receive(:xpath).with(/^descendant::a/) + + described_class.css(document, 'a.gfm') + end + end +end |