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   1  <?php
   2  
   3  /*
   4  * @package   s9e\TextFormatter
   5  * @copyright Copyright (c) 2010-2019 The s9e Authors
   6  * @license   http://www.opensource.org/licenses/mit-license.php The MIT License
   7  */
   8  namespace s9e\TextFormatter\Plugins\MediaEmbed\Configurator\Collections;
   9  use DOMDocument;
  10  use DOMElement;
  11  use InvalidArgumentException;
  12  class XmlFileDefinitionCollection extends SiteDefinitionCollection
  13  {
  14      protected $configTypes = [
  15          ['(^defaultValue$)', '(^[1-9][0-9]*$)D',     'castToInt'],
  16          ['(height$|width$)', '(^[1-9][0-9]*$)D',     'castToInt'],
  17          ['(^required$)',     '(^(?:true|false)$)iD', 'castToBool']
  18      ];
  19  	public function __construct($path)
  20      {
  21          if (!\file_exists($path) || !\is_dir($path))
  22              throw new InvalidArgumentException('Invalid site directory');
  23          foreach (\glob($path . '/*.xml') as $filepath)
  24          {
  25              $siteId = \basename($filepath, '.xml');
  26              $this->add($siteId, $this->getConfigFromXmlFile($filepath));
  27          }
  28      }
  29      protected function castConfigValue($name, $value)
  30      {
  31          foreach ($this->configTypes as $_d1e08ffa)
  32          {
  33              list($nameRegexp, $valueRegexp, $methodName) = $_d1e08ffa;
  34              if (\preg_match($nameRegexp, $name) && \preg_match($valueRegexp, $value))
  35                  return $this->$methodName($value);
  36          }
  37          return $value;
  38      }
  39      protected function castToBool($value)
  40      {
  41          return (\strtolower($value) === 'true');
  42      }
  43      protected function castToInt($value)
  44      {
  45          return (int) $value;
  46      }
  47      protected function convertValueTypes(array $config)
  48      {
  49          foreach ($config as $k => $v)
  50              if (\is_array($v))
  51                  $config[$k] = $this->convertValueTypes($v);
  52              else
  53                  $config[$k] = $this->castConfigValue($k, $v);
  54          return $config;
  55      }
  56      protected function flattenConfig(array $config)
  57      {
  58          foreach ($config as $k => $v)
  59              if (\is_array($v) && \count($v) === 1)
  60                  $config[$k] = \end($v);
  61          return $config;
  62      }
  63      protected function getConfigFromXmlFile($filepath)
  64      {
  65          $dom = new DOMDocument;
  66          $dom->loadXML(\file_get_contents($filepath), \LIBXML_NOCDATA);
  67          return $this->getElementConfig($dom->documentElement);
  68      }
  69      protected function getElementConfig(DOMElement $element)
  70      {
  71          $config = [];
  72          foreach ($element->attributes as $attribute)
  73              $config[$attribute->name][] = $attribute->value;
  74          foreach ($element->childNodes as $childNode)
  75              if ($childNode instanceof DOMElement)
  76                  $config[$childNode->nodeName][] = $this->getValueFromElement($childNode);
  77          return $this->flattenConfig($this->convertValueTypes($config));
  78      }
  79      protected function getValueFromElement(DOMElement $element)
  80      {
  81          return (!$element->attributes->length && $element->childNodes->length === 1 && $element->firstChild->nodeType === \XML_TEXT_NODE)
  82               ? $element->nodeValue
  83               : $this->getElementConfig($element);
  84      }
  85  }