Class: Html2rss::HtmlExtractor::IdGenerator

Inherits:
Object
  • Object
show all
Defined in:
lib/html2rss/html_extractor/id_generator.rb

Overview

IdGenerator determines the unique ID for an article container node.

Class Method Summary collapse

Class Method Details

.call(article_tag, heading:, url:, selected_anchor:, fallback_anchorless:) ⇒ String?

Returns the generated ID, if any.

Parameters:

  • article_tag (Nokogiri::XML::Element) —

    container node

  • heading (Nokogiri::XML::Node, nil) —

    heading node

  • url (Html2rss::Url, nil) —

    absolute article URL

  • selected_anchor (Nokogiri::XML::Node, nil) —

    anchor element

  • fallback_anchorless (Boolean) —

    whether to use fallback hashing

Returns:

  • (String, nil) —

    the generated ID, if any



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# File 'lib/html2rss/html_extractor/id_generator.rb', line 18

def call(article_tag, heading:, url:, selected_anchor:, fallback_anchorless:)
  id_from_dom = parse_id_from_dom(article_tag, url, selected_anchor)
  return id_from_dom if id_from_dom

  heading_text = resolve_heading_text(article_tag, heading, fallback_anchorless)
  if heading_text && !heading_text.strip.empty?
    generate_slug(heading_text)
  elsif fallback_anchorless
    generate_content_hash(article_tag)
  end
end