| 1 |
lars |
1 |
<?php
|
|
|
2 |
// $Header: /cvsroot/html2ps/treebuilder.class.php,v 1.17 2007/05/06 18:49:29 Konstantin Exp $
|
|
|
3 |
|
|
|
4 |
if (!defined('XML_ELEMENT_NODE')) { define('XML_ELEMENT_NODE',1); };
|
|
|
5 |
if (!defined('XML_TEXT_NODE')) { define('XML_TEXT_NODE',2); };
|
|
|
6 |
if (!defined('XML_DOCUMENT_NODE')) { define('XML_DOCUMENT_NODE',3); };
|
|
|
7 |
|
|
|
8 |
class TreeBuilder {
|
|
|
9 |
function build($xmlstring) {
|
|
|
10 |
// Detect if we're using PHP 4 (DOM XML extension)
|
|
|
11 |
// or PHP 5 (DOM extension)
|
|
|
12 |
// First uses a set of domxml_* functions,
|
|
|
13 |
// Second - object-oriented interface
|
|
|
14 |
// Third - pure PHP XML parser
|
|
|
15 |
if (function_exists('domxml_open_mem')) {
|
|
|
16 |
require_once(HTML2PS_DIR.'dom.php4.inc.php');
|
|
|
17 |
return PHP4DOMTree::from_DOMDocument(domxml_open_mem($xmlstring));
|
|
|
18 |
};
|
|
|
19 |
|
|
|
20 |
if (class_exists('DOMDocument')) {
|
|
|
21 |
require_once(HTML2PS_DIR.'dom.php5.inc.php');
|
|
|
22 |
return DOMTree::from_DOMDocument(DOMDocument::loadXML($xmlstring));
|
|
|
23 |
};
|
|
|
24 |
|
|
|
25 |
require_once(HTML2PS_DIR.'dom.activelink.inc.php');
|
|
|
26 |
if (file_exists(HTML2PS_DIR.'classes/include.php')) {
|
|
|
27 |
require_once(HTML2PS_DIR.'classes/include.php');
|
|
|
28 |
import('org.active-link.xml.XML');
|
|
|
29 |
import('org.active-link.xml.XMLDocument');
|
|
|
30 |
|
|
|
31 |
// preprocess character references
|
|
|
32 |
// literal references (actually, parser SHOULD do it itself; nevertheless, Activelink just ignores these entities)
|
|
|
33 |
$xmlstring = preg_replace("/&/","&",$xmlstring);
|
|
|
34 |
$xmlstring = preg_replace("/"/","\"",$xmlstring);
|
|
|
35 |
$xmlstring = preg_replace("/</","<",$xmlstring);
|
|
|
36 |
$xmlstring = preg_replace("/>/",">",$xmlstring);
|
|
|
37 |
|
|
|
38 |
// in decimal form
|
|
|
39 |
while (preg_match("@&#(\d+);@",$xmlstring, $matches)) {
|
|
|
40 |
$xmlstring = preg_replace("@&#".$matches[1].";@",code_to_utf8($matches[1]),$xmlstring);
|
|
|
41 |
};
|
|
|
42 |
// in hexadecimal form
|
|
|
43 |
while (preg_match("@&#x(\d+);@i",$xmlstring, $matches)) {
|
|
|
44 |
$xmlstring = preg_replace("@&#x".$matches[1].";@i",code_to_utf8(hexdec($matches[1])),$xmlstring);
|
|
|
45 |
};
|
|
|
46 |
|
|
|
47 |
$tree = ActiveLinkDOMTree::from_XML(new XML($xmlstring));
|
|
|
48 |
|
|
|
49 |
return $tree;
|
|
|
50 |
}
|
|
|
51 |
die("None of DOM/XML, DOM or ActiveLink DOM extension found. Check your PHP configuration.");
|
|
|
52 |
}
|
|
|
53 |
};
|
|
|
54 |
?>
|