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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\Tokenizer;
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/**
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 * Class representing a PDF array object
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 *
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 * @property array $value The value of the PDF type.
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 */
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class PdfArray extends PdfType
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{
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    /**
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     * Parses an array of the passed tokenizer and parser.
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     *
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     * @param Tokenizer $tokenizer
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     * @param PdfParser $parser
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     * @return false|self
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     * @throws PdfTypeException
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     */
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    public static function parse(Tokenizer $tokenizer, PdfParser $parser)
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    {
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        $result = [];
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        // Recurse into this function until we reach the end of the array.
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        while (($token = $tokenizer->getNextToken()) !== ']') {
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            if ($token === false || ($value = $parser->readValue($token)) === false) {
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                return false;
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            }
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            $result[] = $value;
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        }
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        $v = new self();
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        $v->value = $result;
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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 PdfType[] $values
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     * @return self
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     */
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    public static function create(array $values = [])
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    {
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        $v = new self();
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        $v->value = $values;
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        return $v;
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    }
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    /**
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     * Ensures that the passed array is a PdfArray instance with a (optional) specific size.
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     *
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     * @param mixed $array
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     * @param null|int $size
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     * @return self
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     * @throws PdfTypeException
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     */
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    public static function ensure($array, $size = null)
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    {
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        $result = PdfType::ensureType(self::class, $array, 'Array value expected.');
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        if ($size !== null && \count($array->value) !== $size) {
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            throw new PdfTypeException(
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                \sprintf('Array with %s entries expected.', $size),
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                PdfTypeException::INVALID_DATA_SIZE
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            );
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        }
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        return $result;
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    }
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}