gistfile1.txt

<?php
require_once('simple_html_dom.php');
/**
 * utility function to DRY up testing if a variable is usable
 *
 * @param string $strVariableName 
 * @return boolean
 * @author Walter Lee Davis
 */
function present($strVariableName){
	return( isset($strVariableName) && !empty($strVariableName) );
}
/**
 * rewrite links to respect current depth of the page in the virtual hierarchy and TLD
 *
 * @param object $element simple_html_dom tag object
 * @global string $prefix difference between synthetic URL and filesystem path
 * @global string $here site in use (for left-hand nav links)
 * @return void
 * @author Walter Lee Davis
 */
function rewrite_links($element){
	global $prefix;
	global $here;
	$sites = array('blog_icon' => 'http://blog.tedgoranson.com/',
		'kutachi_icon' => 'http://kutachi.tedgoranson.com/',
		'films_icon' => 'http://filmsfolded.tedgoranson.com/',
		'geok_icon' => 'http://geokabbalitter.tedgoranson.com/',
		'tool_icon' => 'http://tool.tedgoranson.com/',
		'app_link' => '/colophon.html'
	);
	if($element->tag == 'a' && ! preg_match('/^(https?:\/\/|#)/',$element->href)){
		$element->href = ($prefix . '/' . $element->href);
	}
	if($element->tag == 'a' && present($element->id) && array_key_exists($element->id, $sites)){
		$element->href = ($element->id == $here) ? '/' : $sites[$element->id];
	}
	if($element->tag == 'link' && ! preg_match('/^https?:\/\//',$element->href)){
		$element->href = ('/' . preg_replace('/\.\.\//', '', $element->href));
	}
	if($element->tag == 'script' && ! preg_match('/^https?:\/\//',$element->src)){
		$element->src = ('/' . preg_replace('/\.\.\//', '', $element->src));
	}
	if($element->tag == 'img' && ! preg_match('/^https?:\/\//',$element->src)){
		$element->src = ('/' . preg_replace('/\.\.\//', '', $element->src));
	}
	die('Testing');
	
	if($here == 'films_icon' && present($element->id) && $element->id == 'films_stories'){
		$element->innertext = ($element->innertext . '
		<div id="disqus_thread"></div>
			<script type="text/javascript">
			(function() {
				var dsq = document.createElement(\'script\'); dsq.type = \'text/javascript\'; dsq.async = true;
				dsq.src = \'http://filmsfolded.disqus.com/embed.js\';
				(document.getElementsByTagName(\'head\')[0] || document.getElementsByTagName(\'body\')[0]).appendChild(dsq);
			})();
		</script>
		<noscript>Please enable JavaScript to view the <a href="http://disqus.com/?ref_noscript">comments powered by Disqus.</a></noscript>
		<a href="http://disqus.com" class="dsq-brlink">blog comments powered by <span class="logo-disqus">Disqus</span></a>');
	}
}
$doc = file_get_html($path);
$doc->set_callback('rewrite_links');
print $doc;
?>