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<?php |
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/** |
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* @package s9e\TextFormatter |
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* @copyright Copyright (c) 2010-2016 The s9e Authors |
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* @license http://www.opensource.org/licenses/mit-license.php The MIT License |
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*/ |
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namespace s9e\TextFormatter\Plugins\MediaEmbed\Configurator\Collections; |
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use DOMDocument; |
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use DOMElement; |
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use InvalidArgumentException; |
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class XmlFileDefinitionCollection extends SiteDefinitionCollection |
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{ |
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/** |
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* Constructor |
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* |
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* @param string $path Path to site definitions' dir |
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*/ |
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public function __construct($path) |
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{ |
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if (!file_exists($path) || !is_dir($path)) |
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{ |
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throw new InvalidArgumentException('Invalid site directory'); |
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} |
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foreach (glob($path . '/*.xml') as $filepath) |
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{ |
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$siteId = basename($filepath, '.xml'); |
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$this->items[$siteId] = $this->getConfigFromXmlFile($filepath); |
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} |
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} |
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/** |
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* Replace arrays that contain a single element with the element itself |
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* |
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* @param array $config |
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* @return array |
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*/ |
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protected function flattenConfig(array $config) |
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{ |
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foreach ($config as $k => $v) |
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{ |
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if (is_array($v) && count($v) === 1) |
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{ |
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$config[$k] = end($v); |
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} |
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} |
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return $config; |
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} |
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/** |
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* Extract a site's config from its XML file |
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* |
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* @param string $filepath Path to the XML file |
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* @return mixed |
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*/ |
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protected function getConfigFromXmlFile($filepath) |
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{ |
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$dom = new DOMDocument; |
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$dom->load($filepath); |
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return $this->getElementConfig($dom->documentElement); |
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} |
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/** |
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* Extract a site's config from its XML representation |
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* |
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* @param DOMElement $element Current node |
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* @return mixed |
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*/ |
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protected function getElementConfig(DOMElement $element) |
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{ |
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$config = []; |
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foreach ($element->attributes as $attribute) |
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{ |
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$config[$attribute->name][] = $attribute->value; |
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} |
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foreach ($element->childNodes as $childNode) |
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{ |
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if ($childNode instanceof DOMElement) |
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{ |
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$config[$childNode->nodeName][] = $this->getValueFromElement($childNode); |
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} |
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} |
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return $this->flattenConfig($config); |
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} |
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/** |
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* Extract a value from given element |
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* |
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* @param DOMElement $element |
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* @return mixed |
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*/ |
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protected function getValueFromElement(DOMElement $element) |
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{ |
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return (!$element->attributes->length && $element->childNodes->length === 1) |
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? $element->nodeValue |
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: $this->getElementConfig($element); |
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} |
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} |
s9e /
TextFormatter
