3 namespace Org\Mxchange\CoreFramework\Parser\Xml;
5 // Import framework stuff
6 use Org\Mxchange\CoreFramework\Generic\FrameworkInterface;
7 use Org\Mxchange\CoreFramework\Parser\BaseParser;
8 use Org\Mxchange\CoreFramework\Parser\Parseable;
9 use Org\Mxchange\CoreFramework\Template\CompileableTemplate;
12 use \InvalidArgumentException;
17 * @author Roland Haeder <webmaster@shipsimu.org>
19 * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2022 Core Developer Team
20 * @license GNU GPL 3.0 or any newer version
21 * @link http://www.shipsimu.org
23 * This program is free software: you can redistribute it and/or modify
24 * it under the terms of the GNU General Public License as published by
25 * the Free Software Foundation, either version 3 of the License, or
26 * (at your option) any later version.
28 * This program is distributed in the hope that it will be useful,
29 * but WITHOUT ANY WARRANTY; without even the implied warranty of
30 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
31 * GNU General Public License for more details.
33 * You should have received a copy of the GNU General Public License
34 * along with this program. If not, see <http://www.gnu.org/licenses/>.
36 class XmlParser extends BaseParser implements Parseable {
38 * Protected constructor
42 private function __construct () {
43 // Call parent constructor
44 parent::__construct(__CLASS__);
48 * Creates an instance of the class Parser and prepares it for usage
50 * @param $templateInstance A CompileableTemplate instance
51 * @return $parserInstance An instance of this parser
53 public static final function createXmlParser (CompileableTemplate $templateInstance) {
55 $parserInstance = new XmlParser();
57 // Set the template instance
58 $parserInstance->setTemplateInstance($templateInstance);
60 // Return the prepared instance
61 return $parserInstance;
65 * Parses the given XML content
67 * @param $content Valid XML content
69 * @throws XmlParserException If an XML error was found
71 public function parseXmlContent (string $content) {
72 // Convert all to UTF8
73 //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('XML-PARSER: content()=%d - CALLED!', strlen($content)));
74 if (empty($content)) {
76 throw new InvalidArgumentException('content is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
77 } elseif (function_exists('recode')) {
78 // Recode found, so use it
79 $content = recode('html..utf8', $content);
80 } elseif (function_exists('mb_convert_encoding')) {
81 // Use mb_convert_encoding()
82 $content = mb_convert_encoding($content, 'UTF-8', 'auto');
84 // @TODO We need to find a fallback solution here
85 $this->partialStub('Cannot find recode/mbstring extension!');
89 $xmlParser = xml_parser_create();
91 // Force case-folding to on
92 //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('XML-PARSER: Created xmlParser=%s ...', $xmlParser));
93 xml_parser_set_option($xmlParser, XML_OPTION_CASE_FOLDING, TRUE);
96 xml_parser_set_option($xmlParser, XML_OPTION_TARGET_ENCODING, 'UTF-8');
99 xml_set_object($xmlParser, $this->getTemplateInstance());
101 // Set handler call-backs
102 xml_set_element_handler($xmlParser, 'startElement', 'finishElement');
103 xml_set_character_data_handler($xmlParser, 'characterHandler');
105 // Now parse the XML tree
106 //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('XML-PARSER: Invoking xml_parse(%s, content()=%d) ...', $xmlParser, strlen($content)));
107 if (!xml_parse($xmlParser, $content)) {
108 // Error found in XML
109 //* DEBUG: */ exit(__METHOD__ . ':<pre>'.htmlentities($content).'</pre>');
110 throw new XmlParserException([$this, $xmlParser], Parseable::EXCEPTION_XML_PARSER_ERROR);
114 //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('XML-PARSER: Freeing xmlParser=%s ...', $xmlParser));
115 xml_parser_free($xmlParser);
118 //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('XML-PARSER: EXIT!');