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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\StreamReader;
use setasign\Fpdi\PdfParser\Tokenizer;
/**
* Class representing a PDF name object
*/
class PdfName extends PdfType
{
/**
* Parses a name object from the passed tokenizer and stream-reader.
*
* @param Tokenizer $tokenizer
* @param StreamReader $streamReader
* @return self
*/
public static function parse(Tokenizer $tokenizer, StreamReader $streamReader)
{
$v = new self();
if (\strspn($streamReader->getByte(), "\x00\x09\x0A\x0C\x0D\x20()<>[]{}/%") === 0) {
$v->value = (string) $tokenizer->getNextToken();
return $v;
}
$v->value = '';
return $v;
}
/**
* Unescapes a name string.
*
* @param string $value
* @return string
*/
public static function unescape($value)
{
if (strpos($value, '#') === false) {
return $value;
}
return preg_replace_callback('/#([a-fA-F\d]{2})/', function ($matches) {
return chr(hexdec($matches[1]));
}, $value);
}
/**
* Helper method to create an instance.
*
* @param string $string
* @return self
*/
public static function create($string)
{
$v = new self();
$v->value = $string;
return $v;
}
/**
* Ensures that the passed value is a PdfName instance.
*
* @param mixed $name
* @return self
* @throws PdfTypeException
*/
public static function ensure($name)
{
return PdfType::ensureType(self::class, $name, 'Name value expected.');
}
}
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