text: import re
  
  from pages import Pages
  
  
  class PageRenderer:
      """Rewrites text into the same text with a link around a word that matches the title of a wiki page."""
  
      def __init__(self, toc: Pages):
          self._pages = toc
  
      def transform(self, text: str) -> str:
          """:returns the given text with a link around any word that matches a page title"""
          results = ""
          for word in re.split('(\W)', text):
              formatted_word = word
              if self._pages.word_matches_a_page(word):
                  formatted_word = PageRenderer.with_markup_link(word)
              results += formatted_word
          return results
  
      @staticmethod
      def with_markup_link(word: str) -> str:
          """:returns the word as a markup link to markup page"""
          return "[{word}]({page})".format(word=word, page=PageRenderer.markup_page(word))
  
      @staticmethod
      def markup_page(word: str) -> str:
          """:returns the file name where the wiki page will reside for a word"""
          return "{word}.md".format(word=word.lower())
  