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proc
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thread-self
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root
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opt
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alt
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ruby25
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lib64
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ruby
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2.5.0
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rdoc
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markup
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files >> //proc/thread-self/root/opt/alt/ruby25/lib64/ruby/2.5.0/rdoc/markup/to_html_crossref.rb
# frozen_string_literal: true ## # Subclass of the RDoc::Markup::ToHtml class that supports looking up method # names, classes, etc to create links. RDoc::CrossReference is used to # generate those links based on the current context. class RDoc::Markup::ToHtmlCrossref < RDoc::Markup::ToHtml # :stopdoc: ALL_CROSSREF_REGEXP = RDoc::CrossReference::ALL_CROSSREF_REGEXP CLASS_REGEXP_STR = RDoc::CrossReference::CLASS_REGEXP_STR CROSSREF_REGEXP = RDoc::CrossReference::CROSSREF_REGEXP METHOD_REGEXP_STR = RDoc::CrossReference::METHOD_REGEXP_STR # :startdoc: ## # RDoc::CodeObject for generating references attr_accessor :context ## # Should we show '#' characters on method references? attr_accessor :show_hash ## # Creates a new crossref resolver that generates links relative to +context+ # which lives at +from_path+ in the generated files. '#' characters on # references are removed unless +show_hash+ is true. Only method names # preceded by '#' or '::' are linked, unless +hyperlink_all+ is true. def initialize(options, from_path, context, markup = nil) raise ArgumentError, 'from_path cannot be nil' if from_path.nil? super options, markup @context = context @from_path = from_path @hyperlink_all = @options.hyperlink_all @show_hash = @options.show_hash crossref_re = @hyperlink_all ? ALL_CROSSREF_REGEXP : CROSSREF_REGEXP @markup.add_special crossref_re, :CROSSREF @cross_reference = RDoc::CrossReference.new @context end ## # Creates a link to the reference +name+ if the name exists. If +text+ is # given it is used as the link text, otherwise +name+ is used. def cross_reference name, text = nil lookup = name name = name[1..-1] unless @show_hash if name[0, 1] == '#' name = "#{CGI.unescape $'} at #{$1}" if name =~ /(.*[^#:])@/ text = name unless text link lookup, text end ## # We're invoked when any text matches the CROSSREF pattern. If we find the # corresponding reference, generate a link. If the name we're looking for # contains no punctuation, we look for it up the module/class chain. For # example, ToHtml is found, even without the <tt>RDoc::Markup::</tt> prefix, # because we look for it in module Markup first. def handle_special_CROSSREF(special) name = special.text return name if name =~ /@[\w-]+\.[\w-]/ # labels that look like emails unless @hyperlink_all then # This ensures that words entirely consisting of lowercase letters will # not have cross-references generated (to suppress lots of erroneous # cross-references to "new" in text, for instance) return name if name =~ /\A[a-z]*\z/ end cross_reference name end ## # Handles <tt>rdoc-ref:</tt> scheme links and allows RDoc::Markup::ToHtml to # handle other schemes. def handle_special_HYPERLINK special return cross_reference $' if special.text =~ /\Ardoc-ref:/ super end ## # +special+ is an rdoc-schemed link that will be converted into a hyperlink. # For the rdoc-ref scheme the cross-reference will be looked up and the # given name will be used. # # All other contents are handled by # {the superclass}[rdoc-ref:RDoc::Markup::ToHtml#handle_special_RDOCLINK] def handle_special_RDOCLINK special url = special.text case url when /\Ardoc-ref:/ then cross_reference $' else super end end ## # Generates links for <tt>rdoc-ref:</tt> scheme URLs and allows # RDoc::Markup::ToHtml to handle other schemes. def gen_url url, text return super unless url =~ /\Ardoc-ref:/ cross_reference $', text end ## # Creates an HTML link to +name+ with the given +text+. def link name, text original_name = name if name =~ /(.*[^#:])@/ then name = $1 label = $' end ref = @cross_reference.resolve name, text text = ref.output_name @context if RDoc::MethodAttr === ref and text == original_name case ref when String then ref else path = ref.as_href @from_path if path =~ /#/ then path << "-label-#{label}" elsif ref.sections and ref.sections.any? { |section| label == section.title } then path << "##{label}" else path << "#label-#{label}" end if label "<a href=\"#{path}\">#{text}</a>" end end end
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