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<?php
namespace Guzzle\Parser;
/**
* Registry of parsers used by the application
*/
class ParserRegistry
{
/** @var ParserRegistry Singleton instance */
protected static $instance;
/** @var array Array of parser instances */
protected $instances = array();
/** @var array Mapping of parser name to default class */
protected $mapping = array(
'message' => 'Guzzle\\Parser\\Message\\MessageParser',
'cookie' => 'Guzzle\\Parser\\Cookie\\CookieParser',
'url' => 'Guzzle\\Parser\\Url\\UrlParser',
'uri_template' => 'Guzzle\\Parser\\UriTemplate\\UriTemplate',
);
/**
* @return self
* @codeCoverageIgnore
*/
public static function getInstance()
{
if (!self::$instance) {
self::$instance = new static;
}
return self::$instance;
}
public function __construct()
{
// Use the PECL URI template parser if available
if (extension_loaded('uri_template')) {
$this->mapping['uri_template'] = 'Guzzle\\Parser\\UriTemplate\\PeclUriTemplate';
}
}
/**
* Get a parser by name from an instance
*
* @param string $name Name of the parser to retrieve
*
* @return mixed|null
*/
public function getParser($name)
{
if (!isset($this->instances[$name])) {
if (!isset($this->mapping[$name])) {
return null;
}
$class = $this->mapping[$name];
$this->instances[$name] = new $class();
}
return $this->instances[$name];
}
/**
* Register a custom parser by name with the register
*
* @param string $name Name or handle of the parser to register
* @param mixed $parser Instantiated parser to register
*/
public function registerParser($name, $parser)
{
$this->instances[$name] = $parser;
}
}
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