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<?php
/**
* @file
* This file is part of the PdfParser library.
*
* @author Sébastien MALOT <sebastien@malot.fr>
*
* @date 2017-01-03
*
* @license LGPLv3
*
* @url <https://github.com/smalot/pdfparser>
*
* PdfParser is a pdf library written in PHP, extraction oriented.
* Copyright (C) 2017 - Sébastien MALOT <sebastien@malot.fr>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program.
* If not, see <http://www.pdfparser.org/sites/default/LICENSE.txt>.
*/
namespace Smalot\PdfParser\Element;
use Smalot\PdfParser\Document;
use Smalot\PdfParser\Element;
/**
* Class ElementBoolean
*/
class ElementBoolean extends Element
{
/**
* @param string|bool $value
*/
public function __construct($value)
{
parent::__construct('true' == strtolower($value) || true === $value, null);
}
public function __toString(): string
{
return $this->value ? 'true' : 'false';
}
public function equals($value): bool
{
return $this->getContent() === $value;
}
/**
* @return bool|ElementBoolean
*/
public static function parse(string $content, ?Document $document = null, int &$offset = 0)
{
if (preg_match('/^\s*(?P<value>true|false)/is', $content, $match)) {
$value = $match['value'];
$offset += strpos($content, $value) + \strlen($value);
return new self($value);
}
return false;
}
}
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