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<?php |
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/** |
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* (c) Steve Nebes <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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declare(strict_types=1); |
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namespace SN\DaisyDiff\Xml; |
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use SN\DaisyDiff\Html\Dom\DomTreeBuilder; |
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/** |
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* XMLReader implementation. |
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*/ |
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class XMLReader |
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{ |
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/** @var DomTreeBuilder */ |
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private $domTreeBuilder; |
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/** |
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* @param DomTreeBuilder $domTreeBuilder |
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*/ |
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public function __construct(DomTreeBuilder $domTreeBuilder) |
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{ |
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$this->domTreeBuilder = $domTreeBuilder; |
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} |
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/** |
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* @param string $xml |
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* @return void |
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* |
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* @throws \RuntimeException |
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*/ |
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public function parse(string $xml): void |
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{ |
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$this->domTreeBuilder->startDocument(); |
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// Wrap xml in valid block. |
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$clean = \mb_convert_encoding($xml, 'HTML-ENTITIES', 'UTF-8'); |
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$clean = \sprintf('<?xml version="1.0" encoding="UTF-8"?>%s<body>%s</body>', Sanitizer::getDocType(), $clean); |
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// Create parser. |
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$parser = \xml_parser_create(''); |
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\xml_set_element_handler($parser, [$this->domTreeBuilder, 'startElement'], [$this->domTreeBuilder, 'endElement']); |
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\xml_set_character_data_handler($parser, [$this->domTreeBuilder, 'characters']); |
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// Force xml tags to be lowercase. |
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\xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, false); |
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// Parse! |
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if (!\xml_parse($parser, $clean, true)) { |
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$error = \xml_error_string(xml_get_error_code($parser)); |
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$line = \xml_get_current_line_number($parser); |
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$col = \xml_get_current_column_number($parser); |
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throw new \RuntimeException("XML Error: {$error} at line {$line} and column {$col}\n"); |
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} |
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\xml_parser_free($parser); |
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$this->domTreeBuilder->endDocument(); |
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} |
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} |
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snebes /
php-daisydiff
