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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2020 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace setasign\Fpdi\PdfParser\Type;
use setasign\Fpdi\PdfParser\PdfParser;
use setasign\Fpdi\PdfParser\StreamReader;
use setasign\Fpdi\PdfParser\Tokenizer;
/**
* Class representing an indirect object
*/
class PdfIndirectObject extends PdfType
{
/**
* Parses an indirect object from a tokenizer, parser and stream-reader.
*
* @param int $objectNumberToken
* @param int $objectGenerationNumberToken
* @param PdfParser $parser
* @param Tokenizer $tokenizer
* @param StreamReader $reader
* @return bool|self
* @throws PdfTypeException
*/
public static function parse(
$objectNumberToken,
$objectGenerationNumberToken,
PdfParser $parser,
Tokenizer $tokenizer,
StreamReader $reader
) {
$value = $parser->readValue();
if ($value === false) {
return false;
}
$nextToken = $tokenizer->getNextToken();
if ($nextToken === 'stream') {
$value = PdfStream::parse($value, $reader, $parser);
} elseif ($nextToken !== false) {
$tokenizer->pushStack($nextToken);
}
$v = new self();
$v->objectNumber = (int) $objectNumberToken;
$v->generationNumber = (int) $objectGenerationNumberToken;
$v->value = $value;
return $v;
}
/**
* Helper method to create an instance.
*
* @param int $objectNumber
* @param int $generationNumber
* @param PdfType $value
* @return self
*/
public static function create($objectNumber, $generationNumber, PdfType $value)
{
$v = new self();
$v->objectNumber = (int) $objectNumber;
$v->generationNumber = (int) $generationNumber;
$v->value = $value;
return $v;
}
/**
* Ensures that the passed value is a PdfIndirectObject instance.
*
* @param mixed $indirectObject
* @return self
* @throws PdfTypeException
*/
public static function ensure($indirectObject)
{
return PdfType::ensureType(self::class, $indirectObject, 'Indirect object expected.');
}
/**
* The object number.
*
* @var int
*/
public $objectNumber;
/**
* The generation number.
*
* @var int
*/
public $generationNumber;
}
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