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<?php
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/**
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 * This file is part of FPDI
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 *
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 * @package   setasign\Fpdi
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 * @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
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 * @license   http://opensource.org/licenses/mit-license The MIT License
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 */
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namespace setasign\Fpdi\PdfParser\Type;
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use setasign\Fpdi\PdfParser\PdfParser;
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use setasign\Fpdi\PdfParser\StreamReader;
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use setasign\Fpdi\PdfParser\Tokenizer;
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/**
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 * Class representing an indirect object
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 */
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class PdfIndirectObject extends PdfType
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{
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    /**
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     * Parses an indirect object from a tokenizer, parser and stream-reader.
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     *
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     * @param int $objectNumber
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     * @param int $objectGenerationNumber
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     * @param PdfParser $parser
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     * @param Tokenizer $tokenizer
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     * @param StreamReader $reader
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     * @return self|false
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     * @throws PdfTypeException
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     */
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    public static function parse(
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        $objectNumber,
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        $objectGenerationNumber,
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        PdfParser $parser,
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        Tokenizer $tokenizer,
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        StreamReader $reader
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    ) {
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        $value = $parser->readValue();
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        if ($value === false) {
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            return false;
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        }
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        $nextToken = $tokenizer->getNextToken();
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        if ($nextToken === 'stream') {
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            $value = PdfStream::parse($value, $reader, $parser);
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        } elseif ($nextToken !== false) {
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            $tokenizer->pushStack($nextToken);
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        }
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        $v = new self();
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        $v->objectNumber = (int) $objectNumber;
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        $v->generationNumber = (int) $objectGenerationNumber;
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        $v->value = $value;
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        return $v;
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    }
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    /**
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     * Helper method to create an instance.
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     *
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     * @param int $objectNumber
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     * @param int $generationNumber
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     * @param PdfType $value
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     * @return self
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     */
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    public static function create($objectNumber, $generationNumber, PdfType $value)
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    {
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        $v = new self();
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        $v->objectNumber = (int) $objectNumber;
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        $v->generationNumber = (int) $generationNumber;
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        $v->value = $value;
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        return $v;
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    }
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    /**
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     * Ensures that the passed value is a PdfIndirectObject instance.
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     *
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     * @param mixed $indirectObject
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     * @return self
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     * @throws PdfTypeException
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     */
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    public static function ensure($indirectObject)
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    {
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        return PdfType::ensureType(self::class, $indirectObject, 'Indirect object expected.');
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    }
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    /**
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     * The object number.
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     *
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     * @var int
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     */
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    public $objectNumber;
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    /**
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     * The generation number.
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     *
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     * @var int
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     */
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    public $generationNumber;
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}