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<?php |
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|
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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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* |
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* @date 2017-01-03 |
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* |
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* @license LGPLv3 |
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* |
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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 PHPi, 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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|
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use Smalot\PdfParser\Document; |
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|
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/** |
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* Class ElementDate |
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*/ |
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class ElementDate extends ElementString |
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{ |
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/** |
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* @var array<int,string> |
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*/ |
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protected static $formats = [ |
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4 => 'Y', |
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6 => 'Ym', |
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8 => 'Ymd', |
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10 => 'YmdH', |
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12 => 'YmdHi', |
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14 => 'YmdHis', |
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15 => 'YmdHise', |
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17 => 'YmdHisO', |
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18 => 'YmdHisO', |
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19 => 'YmdHisO', |
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]; |
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|
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/** |
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* @var string |
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*/ |
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protected $format = 'c'; |
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|
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/** |
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* @var \DateTime |
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*/ |
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protected $value; |
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|
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public function __construct($value) |
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{ |
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if (!($value instanceof \DateTime)) { |
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throw new \Exception('DateTime required.'); // FIXME: Sometimes strings are passed to this function |
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} |
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|
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parent::__construct($value); |
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} |
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|
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public function setFormat(string $format) |
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{ |
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$this->format = $format; |
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} |
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|
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public function equals($value): bool |
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{ |
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if ($value instanceof \DateTime) { |
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$timestamp = $value->getTimeStamp(); |
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} else { |
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$timestamp = strtotime($value); |
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} |
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|
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return $timestamp == $this->value->getTimeStamp(); |
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} |
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|
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public function __toString(): string |
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{ |
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return (string) $this->value->format($this->format); |
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} |
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|
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/** |
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* @return bool|ElementDate |
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*/ |
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public static function parse(string $content, ?Document $document = null, int &$offset = 0) |
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{ |
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if (preg_match('/^\s*\(D\:(?P<name>.*?)\)/s', $content, $match)) { |
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$name = $match['name']; |
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$name = str_replace("'", '', $name); |
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$date = false; |
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|
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// Smallest format : Y |
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// Full format : YmdHisP |
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if (preg_match('/^\d{4}(\d{2}(\d{2}(\d{2}(\d{2}(\d{2}(Z(\d{2,4})?|[\+-]?\d{2}(\d{2})?)?)?)?)?)?)?$/', $name)) { |
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if ($pos = strpos($name, 'Z')) { |
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$name = substr($name, 0, $pos + 1); |
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} elseif (18 == \strlen($name) && preg_match('/[^\+-]0000$/', $name)) { |
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$name = substr($name, 0, -4).'+0000'; |
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} |
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|
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$format = self::$formats[\strlen($name)]; |
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$date = \DateTime::createFromFormat($format, $name, new \DateTimeZone('UTC')); |
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} else { |
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// special cases |
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if (preg_match('/^\d{1,2}-\d{1,2}-\d{4},?\s+\d{2}:\d{2}:\d{2}[\+-]\d{4}$/', $name)) { |
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$name = str_replace(',', '', $name); |
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$format = 'n-j-Y H:i:sO'; |
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$date = \DateTime::createFromFormat($format, $name, new \DateTimeZone('UTC')); |
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} |
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} |
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|
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if (!$date) { |
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return false; |
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} |
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|
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$offset += strpos($content, '(D:') + \strlen($match['name']) + 4; // 1 for '(D:' and ')' |
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|
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return new self($date); |
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} |
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|
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return false; |
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} |
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} |
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|
