48 lines
2.0 KiB
PHP
48 lines
2.0 KiB
PHP
<?php
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// $Header: /cvsroot/html2ps/treebuilder.class.php,v 1.16 2006/11/11 13:43:53 Konstantin Exp $
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require_once(HTML2PS_DIR.'dom.activelink.inc.php');
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require_once(HTML2PS_DIR.'dom.php5.inc.php');
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if (!defined('XML_ELEMENT_NODE')) { define('XML_ELEMENT_NODE',1); };
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if (!defined('XML_TEXT_NODE')) { define('XML_TEXT_NODE',2); };
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if (!defined('XML_DOCUMENT_NODE')) { define('XML_DOCUMENT_NODE',3); };
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class TreeBuilder {
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function build($xmlstring) {
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// Detect if we're using PHP 4 (DOM XML extension)
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// or PHP 5 (DOM extension)
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// First uses a set of domxml_* functions,
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// Second - object-oriented interface
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// Third - pure PHP XML parser
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if (function_exists('domxml_open_mem')) { return domxml_open_mem($xmlstring); };
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if (class_exists('DOMDocument')) { return @DOMTree::from_DOMDocument(DOMDocument::loadXML($xmlstring)); };
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if (file_exists(HTML2PS_DIR.'/classes/include.php')) {
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require_once(HTML2PS_DIR.'classes/include.php');
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import('org.active-link.xml.XML');
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import('org.active-link.xml.XMLDocument');
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// preprocess character references
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// literal references (actually, parser SHOULD do it itself; nevertheless, Activelink just ignores these entities)
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$xmlstring = preg_replace("/&/","&",$xmlstring);
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$xmlstring = preg_replace("/"/","\"",$xmlstring);
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$xmlstring = preg_replace("/</","<",$xmlstring);
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$xmlstring = preg_replace("/>/",">",$xmlstring);
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// in decimal form
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while (preg_match("@&#(\d+);@",$xmlstring, $matches)) {
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$xmlstring = preg_replace("@&#".$matches[1].";@",code_to_utf8($matches[1]),$xmlstring);
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};
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// in hexadecimal form
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while (preg_match("@&#x(\d+);@i",$xmlstring, $matches)) {
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$xmlstring = preg_replace("@&#x".$matches[1].";@i",code_to_utf8(hexdec($matches[1])),$xmlstring);
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};
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$tree = ActiveLinkDOMTree::from_XML(new XML_($xmlstring));
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return $tree;
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}
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die("None of DOM/XML, DOM or ActiveLink DOM extension found. Check your PHP configuration.");
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}
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};
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?>
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