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<?php |
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/** |
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* rdfa-lite-microdata |
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* |
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* @category Jkphl |
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* @package Jkphl\RdfaLiteMicrodata |
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* @subpackage Jkphl\RdfaLiteMicrodata\Infrastructure |
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* @author Joschi Kuphal <[email protected]> / @jkphl |
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* @copyright Copyright © 2017 Joschi Kuphal <[email protected]> / @jkphl |
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* @license http://opensource.org/licenses/MIT The MIT License (MIT) |
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*/ |
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/*********************************************************************************** |
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* The MIT License (MIT) |
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* |
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* Copyright © 2017 Joschi Kuphal <[email protected]> / @jkphl |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy of |
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* this software and associated documentation files (the "Software"), to deal in |
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* the Software without restriction, including without limitation the rights to |
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of |
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* the Software, and to permit persons to whom the Software is furnished to do so, |
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* subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in all |
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* copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS |
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR |
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER |
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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***********************************************************************************/ |
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namespace Jkphl\RdfaLiteMicrodata\Infrastructure\Factories; |
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use Jkphl\RdfaLiteMicrodata\Application\Contract\DocumentFactoryInterface; |
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use Jkphl\RdfaLiteMicrodata\Infrastructure\Exceptions\HtmlParsingException; |
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use Jkphl\RdfaLiteMicrodata\Infrastructure\Exceptions\InvalidArgumentException; |
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/** |
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* HTML document factory |
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* |
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* @package Jkphl\RdfaLiteMicrodata |
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* @subpackage Jkphl\RdfaLiteMicrodata\Infrastructure |
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*/ |
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class HtmlDocumentFactory implements DocumentFactoryInterface |
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{ |
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/** |
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* HTML5 elements |
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* |
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* @var array |
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*/ |
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protected static $html5 = [ |
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'a', |
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'abbr', |
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'acronym', |
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'address', |
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'applet', |
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'area', |
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'article', |
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'aside', |
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'audio', |
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'b', |
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'base', |
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'basefont', |
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'bdi', |
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'bdo', |
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'bgsound', |
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'big', |
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'blink', |
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'blockquote', |
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'body', |
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'br', |
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'button', |
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'canvas', |
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'caption', |
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'center', |
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'cite', |
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'code', |
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'col', |
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'colgroup', |
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'content', |
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'data', |
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'datalist', |
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'dd', |
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'decorator', |
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'del', |
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'details', |
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'dfn', |
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'dir', |
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'div', |
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'dl', |
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'dt', |
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'element', |
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'em', |
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'embed', |
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'fieldset', |
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'figcaption', |
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'figure', |
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'font', |
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'footer', |
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'form', |
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'frame', |
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'frameset', |
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'h1', |
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'h2', |
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'h3', |
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'h4', |
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'h5', |
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'h6', |
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'head', |
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'header', |
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'hgroup', |
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'hr', |
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'html', |
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'i', |
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'iframe', |
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'img', |
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'input', |
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'ins', |
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'isindex', |
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'kbd', |
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'keygen', |
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'label', |
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'legend', |
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'li', |
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'link', |
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'listing', |
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'main', |
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'map', |
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'mark', |
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'marquee', |
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'menu', |
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'menuitem', |
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'meta', |
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'meter', |
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'nav', |
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'nobr', |
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'noframes', |
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'noscript', |
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'object', |
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'ol', |
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'optgroup', |
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'option', |
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'output', |
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'p', |
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'param', |
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'plaintext', |
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'pre', |
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'progress', |
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'q', |
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'rp', |
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'rt', |
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'ruby', |
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's', |
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'samp', |
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'script', |
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'section', |
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'select', |
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'shadow', |
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'small', |
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'source', |
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'spacer', |
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'span', |
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'strike', |
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'strong', |
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'style', |
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'sub', |
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'summary', |
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'sup', |
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'table', |
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'tbody', |
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'td', |
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'template', |
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'textarea', |
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'tfoot', |
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'th', |
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'thead', |
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'time', |
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'title', |
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'tr', |
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'track', |
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'tt', |
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'u', |
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'ul', |
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'var', |
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'video', |
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'wbr', |
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'xmp' |
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]; |
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/** |
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* Custom HTML parsing error handler |
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* |
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* @var callable|null |
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*/ |
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protected $errorHandler; |
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/** |
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* Constructor |
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* |
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* @param callable|null $errorHandler Custom HTML parsing error handler |
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*/ |
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public function __construct(callable $errorHandler = null) |
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{ |
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$this->errorHandler = $errorHandler; |
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} |
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/** |
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* Create a DOM document from a source |
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* |
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* @param mixed $source Source |
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* @return \DOMDocument DOM document |
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*/ |
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public function createDocumentFromSource($source) |
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{ |
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$dom = new \DOMDocument(); |
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libxml_use_internal_errors(true); |
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$dom->loadHTML($source); |
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$errors = libxml_get_errors(); |
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libxml_use_internal_errors(false); |
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$this->processParsingErrors($errors); |
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return $dom; |
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} |
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/** |
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* Process parsing errors |
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* |
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* @param \LibXMLError[] $errors Parsing errors |
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* @throws InvalidArgumentException If it's not a HTML5 error |
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*/ |
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protected function processParsingErrors(array $errors) |
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{ |
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/** @var \LibXMLError $error */ |
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foreach ($errors as $error) { |
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if ($this->isNotInvalidHtml5TagError($error) && $this->isNotAllowedError($error)) { |
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throw new HtmlParsingException($error); |
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} |
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} |
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} |
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/** |
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* Test whether a parsing error is not because of an "invalid" HTML5 tag |
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* |
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* @param \LibXMLError $error Parsing error |
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* @return bool Error is not because of an "invalid" HTML5 tag |
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*/ |
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protected function isNotInvalidHtml5TagError(\LibXMLError $error) |
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{ |
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return ($error->code != 801) || |
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( |
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preg_match('/^tag\s+(\S+)\s+invalid$/', strtolower($error->message), $tag) && |
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!in_array($tag[1], self::$html5) |
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); |
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} |
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/** |
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* Test whether a parsing error is allowed per custom HTML parser error handler |
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* |
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* @param \LibXMLError $error Parsing error |
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* @return bool Error is not allowed |
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*/ |
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protected function isNotAllowedError(\LibXMLError $error) |
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{ |
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return !(is_callable($this->errorHandler) && call_user_func($this->errorHandler, $error)); |
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} |
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} |
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