/**
* @param array $row
* @param string $propertyPath
*
* @return mixed
*/
protected function extractValueByPropertyPath(array &$row, $propertyPath)
{
$result = null;
$properties = ConfigUtil::explodePropertyPath($propertyPath);
$lastIndex = count($properties) - 1;
$i = 0;
$path = [];
$currentRow =& $row;
while ($i <= $lastIndex) {
$property = $properties[$i];
if (null === $currentRow || !array_key_exists($property, $currentRow)) {
break;
}
if ($i === $lastIndex) {
// get property value
$result = $currentRow[$property];
// remove extracted property
unset($currentRow[$property]);
// remove empty containers
$p = count($path) - 1;
while ($p >= 0) {
$currentRow =& $path[$p][0];
if (!empty($currentRow[$path[$p][1]])) {
break;
}
unset($currentRow[$path[$p][1]]);
$p--;
}
break;
}
$path[] = [&$currentRow, $property];
$currentRow =& $currentRow[$property];
$i++;
}
return $result;
}
/**
* @param array $config
* @param string $propertyPath
* @param array $fieldConfig
*
* @return array
*/
protected function applyPropertyPathConfig(array $config, $propertyPath, array &$fieldConfig)
{
$properties = ConfigUtil::explodePropertyPath($propertyPath);
$currentConfig =& $config;
$currentProperty = $properties[0];
$this->applyPropertyConfig($currentConfig, $currentProperty);
$count = count($properties);
if ($count > 1) {
$i = 1;
while ($i < $count) {
$currentConfig =& $currentConfig[ConfigUtil::FIELDS][$properties[$i - 1]];
if (null === $currentConfig) {
$currentConfig = [];
}
$currentProperty = $properties[$i];
$this->applyPropertyConfig($currentConfig, $currentProperty);
$i++;
}
}
if (array_key_exists(ConfigUtil::DATA_TRANSFORMER, $fieldConfig)) {
$currentConfig[ConfigUtil::FIELDS][$currentProperty][ConfigUtil::DATA_TRANSFORMER] = $fieldConfig[ConfigUtil::DATA_TRANSFORMER];
unset($fieldConfig[ConfigUtil::DATA_TRANSFORMER]);
}
return $config;
}