# frozen_string_literal: false require 'cgi' ## # Creates HTML-safe labels suitable for use in id attributes. Tidylinks are # converted to their link part and cross-reference links have the suppression # marks removed (\\SomeClass is converted to SomeClass). class RDoc::Markup::ToLabel < RDoc::Markup::Formatter attr_reader :res # :nodoc: ## # Creates a new formatter that will output HTML-safe labels def initialize markup = nil super nil, markup @markup.add_special RDoc::CrossReference::CROSSREF_REGEXP, :CROSSREF @markup.add_special(/(((\{.*?\})|\b\S+?)\[\S+?\])/, :TIDYLINK) add_tag :BOLD, '', '' add_tag :TT, '', '' add_tag :EM, '', '' @res = [] end ## # Converts +text+ to an HTML-safe label def convert text label = convert_flow @am.flow text CGI.escape(label).gsub('%', '-').sub(/^-/, '') end ## # Converts the CROSSREF +special+ to plain text, removing the suppression # marker, if any def handle_special_CROSSREF special text = special.text text.sub(/^\\/, '') end ## # Converts the TIDYLINK +special+ to just the text part def handle_special_TIDYLINK special text = special.text return text unless text =~ /\{(.*?)\}\[(.*?)\]/ or text =~ /(\S+)\[(.*?)\]/ $1 end alias accept_blank_line ignore alias accept_block_quote ignore alias accept_heading ignore alias accept_list_end ignore alias accept_list_item_end ignore alias accept_list_item_start ignore alias accept_list_start ignore alias accept_paragraph ignore alias accept_raw ignore alias accept_rule ignore alias accept_verbatim ignore alias end_accepting ignore alias handle_special_HARD_BREAK ignore alias start_accepting ignore end