/usr/share/php/Smalot/PdfParser/Element/ElementString.php is in php-pdfparser 0.9.25+dfsg-1build1.
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/**
* @file
* This file is part of the PdfParser library.
*
* @author Sébastien MALOT <sebastien@malot.fr>
* @date 2013-08-08
* @license GPL-3.0
* @url <https://github.com/smalot/pdfparser>
*
* PdfParser is a pdf library written in PHP, extraction oriented.
* Copyright (C) 2014 - Sébastien MALOT <sebastien@malot.fr>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU 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 General Public License for more details.
*
* You should have received a copy of the GNU 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\Element;
use Smalot\PdfParser\Document;
use Smalot\PdfParser\Font;
/**
* Class ElementString
*
* @package Smalot\PdfParser\Element
*/
class ElementString extends Element
{
/**
* @param string $value
* @param Document $document
*/
public function __construct($value, Document $document = null)
{
parent::__construct($value, null);
}
/**
* @param mixed $value
*
* @return bool
*/
public function equals($value)
{
return $value == $this->value;
}
/**
* @param string $content
* @param Document $document
* @param int $offset
*
* @return bool|ElementString
*/
public static function parse($content, Document $document = null, &$offset = 0)
{
if (preg_match('/^\s*\((?P<name>.*)/s', $content, $match)) {
$name = $match['name'];
// Find next ')' not escaped.
$cur_start_text = $start_search_end = 0;
while (($cur_start_pos = strpos($name, ')', $start_search_end)) !== false) {
$cur_extract = substr($name, $cur_start_text, $cur_start_pos - $cur_start_text);
preg_match('/(?P<escape>[\\\]*)$/s', $cur_extract, $match);
if (!(strlen($match['escape']) % 2)) {
break;
}
$start_search_end = $cur_start_pos + 1;
}
// Extract string.
$name = substr($name, 0, $cur_start_pos);
$offset += strpos($content, '(') + $cur_start_pos + 2; // 2 for '(' and ')'
$name = str_replace(
array('\\\\', '\\ ', '\\/', '\(', '\)', '\n', '\r', '\t'),
array('\\', ' ', '/', '(', ')', "\n", "\r", "\t"),
$name
);
// Decode string.
$name = Font::decodeOctal($name);
$name = Font::decodeEntities($name);
$name = Font::decodeHexadecimal($name, false);
$name = Font::decodeUnicode($name);
return new self($name, $document);
}
return false;
}
}
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