Class: JayAddCrossReference

Inherits:
HTML::Pipeline::TextFilter
  • Object
show all
Defined in:
lib/jay_flavored_markdown/markdown_converter.rb

Overview

Org-mode like label and ref converter

+ (1)
  + (A) item title <<title>>
...
item [[title]] is...

is converted to:

+ (1)
  + (A) item title
...
item (1-A) is...

Instance Method Summary collapse

Instance Method Details

#call ⇒ Object 



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# File 'lib/jay_flavored_markdown/markdown_converter.rb', line 721

def call
  @labels = {}
  lines = @text.split("\n")

  # Scan "<<name>>" and make hash {"name" => "C"}
  lines = MarkdownEnumerator.new(lines).filter do |header, count|
    header.gsub(/<<([^<>]+)>>/) do |_|
      store_label($1, count.full_mark)
      ""
    end
  end

  # replace "[[name]]" to "(C)"
  @text = lines.map do |line|
    line.gsub(/\[\[([^\[\]]+)\]\]/) do |match|
      "(#{lookup_label($1) || '???'})"
    end
  end.join("\n")
end