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# frozen_string_literal: true
module Banzai
# Extract possible GFM references from an arbitrary String for further processing.
class ReferenceExtractor
def initialize
@texts_and_contexts = []
end
def analyze(text, context = {})
@texts_and_contexts << { text: text, context: context }
end
def references(type, project, current_user = nil)
context = RenderContext.new(project, current_user)
processor = Banzai::ReferenceParser[type].new(context)
processor.process(html_documents)
end
def reset_memoized_values
@html_documents = nil
@texts_and_contexts = []
end
private
def html_documents
# This ensures that we don't memoize anything until we have a number of
# text blobs to parse.
return [] if @texts_and_contexts.empty?
@html_documents ||= Renderer.cache_collection_render(@texts_and_contexts)
.map { |html| Nokogiri::HTML.fragment(html) }
end
end
end
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