2019-03-13 13:57:05 +00:00
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# frozen_string_literal: true
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module Gitlab
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module Diff
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class SuggestionsParser
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# Matches for instance "-1", "+1" or "-1+2".
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SUGGESTION_CONTEXT = /^(\-(?<above>\d+))?(\+(?<below>\d+))?$/.freeze
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2019-03-15 17:35:34 +00:00
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class << self
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# Returns an array of Gitlab::Diff::Suggestion which represents each
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# suggestion in the given text.
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#
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def parse(text, position:, project:)
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return [] unless position.complete?
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html = Banzai.render(text, project: nil, no_original_data: true)
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doc = Nokogiri::HTML(html)
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suggestion_nodes = doc.search('pre.suggestion')
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return [] if suggestion_nodes.empty?
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diff_file = position.diff_file(project.repository)
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suggestion_nodes.map do |node|
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lang_param = node['data-lang-params']
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lines_above, lines_below = nil
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if lang_param && suggestion_params = fetch_suggestion_params(lang_param)
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lines_above, lines_below =
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suggestion_params[:above],
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suggestion_params[:below]
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end
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Gitlab::Diff::Suggestion.new(node.text,
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line: position.new_line,
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above: lines_above.to_i,
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below: lines_below.to_i,
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diff_file: diff_file)
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end
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end
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private
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def fetch_suggestion_params(lang_param)
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lang_param.match(SUGGESTION_CONTEXT)
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end
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end
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2019-03-13 13:57:05 +00:00
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end
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end
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end
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