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