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Util.php
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Util.php
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<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2013 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Code\Scanner;
use stdClass;
use Zend\Code\Exception;
/**
* Shared utility methods used by scanners
*/
class Util
{
/**
* Resolve imports
*
* @param string $value
* @param null|string $key
* @param \stdClass $data
* @return void
* @throws Exception\InvalidArgumentException
*/
public static function resolveImports(&$value, $key = null, stdClass $data = null)
{
if (!is_object($data)
|| !property_exists($data, 'uses')
|| !property_exists($data, 'namespace')
) {
throw new Exception\InvalidArgumentException(sprintf(
'%s expects a data object containing "uses" and "namespace" properties; on or both missing',
__METHOD__
));
}
if ($data->namespace && !$data->uses && strlen($value) > 0 && $value{0} != '\\') {
$value = $data->namespace . '\\' . $value;
return;
}
if (!$data->uses || strlen($value) <= 0 || $value{0} == '\\') {
$value = ltrim($value, '\\');
return;
}
if ($data->namespace || $data->uses) {
$firstPart = $value;
if (($firstPartEnd = strpos($firstPart, '\\')) !== false) {
$firstPart = substr($firstPart, 0, $firstPartEnd);
} else {
$firstPartEnd = strlen($firstPart);
}
if (array_key_exists($firstPart, $data->uses)) {
$value = substr_replace($value, $data->uses[$firstPart], 0, $firstPartEnd);
return;
}
if ($data->namespace) {
$value = $data->namespace . '\\' . $value;
return;
}
}
}
}