Class: Gitlab::Diff::SuggestionsParser

Inherits:
Object
  • Object
show all
Defined in:
lib/gitlab/diff/suggestions_parser.rb

Constant Summary collapse

SUGGESTION_CONTEXT =

Matches for instance “-1”, “+1” or “-1+2”.

/^(\-(?<above>\d+))?(\+(?<below>\d+))?$/
CSS = 
'pre.language-suggestion'
XPATH = 
Gitlab::Utils::Nokogiri.css_to_xpath(CSS).freeze

Class Method Summary collapse

Class Method Details

.parse(text, position:, project:, supports_suggestion: true) ⇒ Object

Returns an array of Gitlab::Diff::Suggestion which represents each suggestion in the given text.



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# File 'lib/gitlab/diff/suggestions_parser.rb', line 16

def parse(text, position:, project:, supports_suggestion: true)
  return [] unless position.complete?

  html = Banzai.render(text, project: nil,
                             no_original_data: true,
                             suggestions_filter_enabled: supports_suggestion)
  doc = Nokogiri::HTML(html)
  suggestion_nodes = doc.xpath(XPATH)

  return [] if suggestion_nodes.empty?

  diff_file = position.diff_file(project.repository)

  suggestion_nodes.map do |node|
    lang_param = node['data-lang-params']

    lines_above, lines_below = nil

    if lang_param && suggestion_params = fetch_suggestion_params(lang_param)
      lines_above = suggestion_params[:above]
      lines_below = suggestion_params[:below]
    end

    Gitlab::Diff::Suggestion.new(node.text,
                                 line: position.new_line,
                                 above: lines_above.to_i,
                                 below: lines_below.to_i,
                                 diff_file: diff_file)
  end
end