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<?php |
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/** |
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* Load a DOM document from a xml string |
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* |
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* @license http://www.opensource.org/licenses/mit-license.php The MIT License |
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* @copyright Copyright (c) 2009-2014 Bastian Feder, Thomas Weinert |
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*/ |
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namespace FluentDOM\Loader { |
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use FluentDOM\Document; |
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use FluentDOM\DocumentFragment; |
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use FluentDOM\Loadable; |
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/** |
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* Load a DOM document from a xml string |
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*/ |
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class Html implements Loadable { |
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use Supports\Libxml; |
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const IS_FRAGMENT = 'is_fragment'; |
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/** |
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* @return string[] |
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*/ |
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public function getSupported() { |
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return array('html', 'text/html', 'html-fragment', 'text/html-fragment'); |
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} |
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/** |
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* @see Loadable::load |
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* @param string $source |
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* @param string $contentType |
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* @param array|\Traversable|Options $options |
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* @return Document|Result|NULL |
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*/ |
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public function load($source, $contentType, $options = []) { |
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if ($this->supports($contentType)) { |
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return (new Libxml\Errors())->capture( |
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function() use ($source, $contentType, $options) { |
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$selection = false; |
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$document = new Document(); |
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$settings = $this->getOptions($options); |
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if ($this->isFragment($contentType, $settings)) { |
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$this->loadFragmentIntoDom($document, $source, $settings[Options::LIBXML_OPTIONS]); |
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$selection = $document->evaluate('/*'); |
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} else { |
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$settings->isAllowed($sourceType = $settings->getSourceType($source)); |
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switch ($sourceType) { |
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case Options::IS_FILE : |
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$document->loadHTMLFile($source, $settings[Options::LIBXML_OPTIONS]); |
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break; |
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case Options::IS_STRING : |
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default : |
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$document->loadHTML($source, $settings[Options::LIBXML_OPTIONS]); |
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} |
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} |
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return new Result($document, 'text/html', $selection); |
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} |
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); |
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} |
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return NULL; |
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} |
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/** |
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* @see LoadableFragment::loadFragment |
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* @param string $source |
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* @param string $contentType |
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* @param array|\Traversable|Options $options |
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* @return DocumentFragment|NULL |
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*/ |
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public function loadFragment($source, $contentType, $options = []) { |
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if ($this->supports($contentType)) { |
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$options = $this->getOptions($options); |
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return (new Libxml\Errors())->capture( |
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function() use ($source, $options) { |
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$document = new Document(); |
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$fragment = $document->createDocumentFragment(); |
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$document->loadHTML('<html-fragment>'.$source.'</html-fragment>', $options[Options::LIBXML_OPTIONS]); |
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$nodes = $document->evaluate('//html-fragment[1]/node()'); |
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foreach ($nodes as $node) { |
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$fragment->append($node); |
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} |
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return $fragment; |
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} |
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1 |
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); |
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} |
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return NULL; |
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} |
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private function isFragment($contentType, $options) { |
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return ( |
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$contentType == 'html-fragment' || |
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$contentType == 'text/html-fragment' || |
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$options[self::IS_FRAGMENT] |
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); |
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} |
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private function loadFragmentIntoDom(\DOMDocument $document, $source, $loadOptions) { |
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$htmlDom = new Document(); |
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$htmlDom->loadHTML('<html-fragment>'.$source.'</html-fragment>', $loadOptions); |
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$nodes = $htmlDom->evaluate('//html-fragment[1]/node()'); |
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foreach ($nodes as $node) { |
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if ($importedNode = $document->importNode($node, TRUE)) { |
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$document->appendChild($importedNode); |
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} |
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} |
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} |
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} |
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} |
FluentDOM /
FluentDOM
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