1<?php
2// $Header: /cvsroot/html2ps/xhtml.style.inc.php,v 1.7 2007/03/15 18:37:36 Konstantin Exp $
3
4function process_style(&$html) {
5  $styles = array();
6
7  if (preg_match('#^(.*)(<style[^>]*>)(.*?)(</style>)(.*)$#is', $html, $matches)) {
8    $styles = array_merge(array($matches[2].process_style_content($matches[3]).$matches[4]),
9                          process_style($matches[5]));
10    $html = $matches[1].$matches[5];
11  };
12
13  return $styles;
14}
15
16function process_style_content($html) {
17  // Remove CDATA comment bounds inside the <style>...</style>
18  $html = preg_replace("#<!\[CDATA\[#","",$html);
19  $html = preg_replace("#\]\]>#is","",$html);
20
21  // Remove HTML comment bounds inside the <style>...</style>
22  $html = preg_replace("#<!--#is","",$html);
23  $html = preg_replace("#-->#is","",$html);
24
25  // Remove CSS comments
26  $html = preg_replace("#/\*.*?\*/#is","",$html);
27
28  // Force CDATA comment
29  $html = '<![CDATA['.$html.']]>';
30
31  return $html;
32}
33
34function insert_styles($html, $styles) {
35  // This function is called after HTML code has been fixed; thus,
36  // HEAD closing tag should be present
37
38  $html = preg_replace('#</head>#', join("\n", $styles)."\n</head>", $html);
39  return $html;
40}
41
42?>