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<?php
namespace OldSabre\VObject\Splitter;
use OldSabre\VObject;
/**
* 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) 2011-2015 fruux GmbH (https://fruux.com/).
* @author Dominik Tobschall
* @author Armin Hackmann
* @license http://sabre.io/license/ Modified BSD License
*/
class VCard implements SplitterInterface {
/**
* File handle
*
* @var resource
*/
protected $input;
/**
* Constructor
*
* The splitter should receive an readable file stream as it's input.
*
* @param resource $input
*/
public function __construct($input) {
$this->input = $input;
}
/**
* 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 OldSabre\VObject\Component|null
*/
public function getNext() {
$vcard = '';
do {
if (feof($this->input)) {
return false;
}
$line = fgets($this->input);
$vcard .= $line;
} while(strtoupper(substr($line,0,4))!=="END:");
$object = VObject\Reader::read($vcard);
if($object->name !== 'VCARD') {
throw new \InvalidArgumentException("Thats no vCard!", 1);
}
return $object;
}
}
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