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<?php |
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/** |
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* (c) Dennis Meckel |
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* |
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* For the full copyright and license information, |
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* please view the LICENSE file that was distributed with this source code. |
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*/ |
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namespace Rayne\wz2008\Graph\Factory; |
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use InvalidArgumentException; |
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use Rayne\wz2008\Graph\WzClassification; |
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use Rayne\wz2008\Graph\WzClassificationInterface; |
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use Rayne\wz2008\Graph\WzItem; |
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use Rayne\wz2008\Graph\WzItemInterface; |
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use SimpleXMLElement; |
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class WzClassificationFactory |
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{ |
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/** |
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* @return WzClassificationInterface The classification based upon the included `/assets/WZ2008*xml` file. |
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* @throws InvalidArgumentException Unreadable or invalid file. |
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*/ |
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public static function build() |
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{ |
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return self::buildFromFile( |
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__DIR__ . '/../../assets/WZ2008-2016-07-29-Classification_(complete).xml'); |
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} |
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/** |
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* @param string $xmlFile |
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* @return WzClassificationInterface |
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* @throws InvalidArgumentException Unreadable or invalid file. |
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*/ |
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public static function buildFromFile($xmlFile) |
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{ |
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$xml = @simplexml_load_file($xmlFile); |
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if (!$xml) { |
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throw new InvalidArgumentException( |
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sprintf("Invalid XML file `%s`.", $xmlFile)); |
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} |
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return self::buildFromXml($xml); |
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} |
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/** |
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* @param SimpleXMLElement $xml |
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* @return WzClassificationInterface |
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*/ |
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public static function buildFromXml(SimpleXMLElement $xml) |
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{ |
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return new WzClassification(self::buildItems($xml)); |
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} |
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/** |
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* @param SimpleXMLElement $xml |
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* @return WzItemInterface[] |
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*/ |
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private static function buildItems(SimpleXMLElement $xml) |
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{ |
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$items = []; |
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/** |
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* @var WzItemInterface[]|null[] $levels |
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*/ |
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$levels = [ |
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0 => null, |
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WzItemInterface::LEVEL_SECTION => null, |
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WzItemInterface::LEVEL_DIVISION => null, |
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WzItemInterface::LEVEL_GROUP => null, |
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WzItemInterface::LEVEL_CLASS => null, |
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WzItemInterface::LEVEL_SUBCLASS => null, |
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]; |
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foreach ($xml->xpath('//Item') as $xmlItem) { |
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$itemId = (string)$xmlItem['id']; |
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$itemLevel = (int)$xmlItem['idLevel']; |
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$parent = $levels[$itemLevel - 1]; |
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$current = new WzItem( |
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$itemId, |
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self::buildLabels($xmlItem), |
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$itemLevel, |
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$parent); |
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$items[] = $current; |
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$levels[$itemLevel] = $current; |
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} |
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return $items; |
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} |
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/** |
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* @param SimpleXMLElement $xmlItem |
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* @return string[] |
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*/ |
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private static function buildLabels(SimpleXMLElement $xmlItem) |
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{ |
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$labels = []; |
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foreach ($xmlItem->xpath('Label[@qualifier="Usual"]/LabelText') as $label) { |
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$labels[strtolower($label['language'])] = (string)$label; |
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} |
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return $labels; |
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} |
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} |
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Rayne /
wz2008-graph
