From fcbf63e62c627deae76c1b8cb8c0876c536ed811 Mon Sep 17 00:00:00 2001
From: Jari Vetoniemi <jari.vetoniemi@indooratlas.com>
Date: Mon, 16 Mar 2020 18:49:26 +0900
Subject: Fresh start

---
 jni/ruby/lib/rdoc/markup/heading.rb | 78 +++++++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 jni/ruby/lib/rdoc/markup/heading.rb

(limited to 'jni/ruby/lib/rdoc/markup/heading.rb')

diff --git a/jni/ruby/lib/rdoc/markup/heading.rb b/jni/ruby/lib/rdoc/markup/heading.rb
new file mode 100644
index 0000000..535e310
--- /dev/null
+++ b/jni/ruby/lib/rdoc/markup/heading.rb
@@ -0,0 +1,78 @@
+##
+# A heading with a level (1-6) and text
+
+RDoc::Markup::Heading =
+  Struct.new :level, :text do
+
+  @to_html = nil
+  @to_label = nil
+
+  ##
+  # A singleton RDoc::Markup::ToLabel formatter for headings.
+
+  def self.to_label
+    @to_label ||= RDoc::Markup::ToLabel.new
+  end
+
+  ##
+  # A singleton plain HTML formatter for headings.  Used for creating labels
+  # for the Table of Contents
+
+  def self.to_html
+    return @to_html if @to_html
+
+    markup = RDoc::Markup.new
+    markup.add_special RDoc::CrossReference::CROSSREF_REGEXP, :CROSSREF
+
+    @to_html = RDoc::Markup::ToHtml.new nil
+
+    def @to_html.handle_special_CROSSREF special
+      special.text.sub(/^\\/, '')
+    end
+
+    @to_html
+  end
+
+  ##
+  # Calls #accept_heading on +visitor+
+
+  def accept visitor
+    visitor.accept_heading self
+  end
+
+  ##
+  # An HTML-safe anchor reference for this header.
+
+  def aref
+    "label-#{self.class.to_label.convert text.dup}"
+  end
+
+  ##
+  # Creates a fully-qualified label which will include the label from
+  # +context+.  This helps keep ids unique in HTML.
+
+  def label context = nil
+    label = aref
+
+    label = [context.aref, label].compact.join '-' if
+      context and context.respond_to? :aref
+
+    label
+  end
+
+  ##
+  # HTML markup of the text of this label without the surrounding header
+  # element.
+
+  def plain_html
+    self.class.to_html.to_html(text.dup)
+  end
+
+  def pretty_print q # :nodoc:
+    q.group 2, "[head: #{level} ", ']' do
+      q.pp text
+    end
+  end
+
+end
+
-- 
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