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<?php
namespace Sabre\VObject\Splitter;
use Sabre\VObject;
use Sabre\VObject\Parser\MimeDir;
/**
* Splitter.
*
* This class is responsible for splitting up VCard objects.
*
* It is assumed that the input stream contains 1 or more VCARD objects. This
* class checks for BEGIN:VCARD and END:VCARD and parses each encountered
* component individually.
*
* @copyright Copyright (C) fruux GmbH (https://fruux.com/)
* @author Dominik Tobschall (http://tobschall.de/)
* @author Armin Hackmann
* @license http://sabre.io/license/ Modified BSD License
*/
class VCard implements SplitterInterface
{
/**
* File handle.
*
* @var resource
*/
protected $input;
/**
* Persistent parser.
*
* @var MimeDir
*/
protected $parser;
/**
* Constructor.
*
* The splitter should receive an readable file stream as its input.
*
* @param resource $input
* @param int $options parser options, see the OPTIONS constants
*/
public function __construct($input, $options = 0)
{
$this->input = $input;
$this->parser = new MimeDir($input, $options);
}
/**
* Every time getNext() is called, a new object will be parsed, until we
* hit the end of the stream.
*
* When the end is reached, null will be returned.
*
* @return \Sabre\VObject\Component|null
*/
public function getNext()
{
try {
$object = $this->parser->parse();
if (!$object instanceof VObject\Component\VCard) {
throw new VObject\ParseException('The supplied input contained non-VCARD data.');
}
} catch (VObject\EofException $e) {
return;
}
return $object;
}
}
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