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<?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 <[email protected]> |
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* @date 2017-01-03 |
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* |
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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 <[email protected]> |
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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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namespace Smalot\PdfParser\Element; |
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use Smalot\PdfParser\Document; |
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use Smalot\PdfParser\Element; |
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use Smalot\PdfParser\Header; |
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use Smalot\PdfParser\PDFObject; |
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/** |
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* Class ElementArray |
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*/ |
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class ElementArray extends Element |
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{ |
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public function __construct($value, ?Document $document = null) |
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{ |
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parent::__construct($value, $document); |
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} |
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public function getContent() |
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{ |
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foreach ($this->value as $name => $element) { |
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$this->resolveXRef($name); |
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} |
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return parent::getContent(); |
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} |
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public function getRawContent(): array |
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{ |
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return $this->value; |
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} |
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public function getDetails(bool $deep = true): array |
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{ |
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$values = []; |
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$elements = $this->getContent(); |
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foreach ($elements as $key => $element) { |
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if ($element instanceof Header && $deep) { |
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$values[$key] = $element->getDetails($deep); |
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} elseif ($element instanceof PDFObject && $deep) { |
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$values[$key] = $element->getDetails(false); |
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} elseif ($element instanceof self) { |
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1 |
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if ($deep) { |
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$values[$key] = $element->getDetails(); |
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} |
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} elseif ($element instanceof Element && !($element instanceof self)) { |
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$values[$key] = $element->getContent(); |
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} |
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} |
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return $values; |
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} |
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public function __toString(): string |
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{ |
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return implode(',', $this->value); |
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} |
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/** |
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* @return Element|PDFObject |
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*/ |
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protected function resolveXRef(string $name) |
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{ |
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if (($obj = $this->value[$name]) instanceof ElementXRef) { |
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/** @var ElementXRef $obj */ |
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$obj = $this->document->getObjectById($obj->getId()); |
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$this->value[$name] = $obj; |
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} |
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return $this->value[$name]; |
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} |
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/** |
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* @todo: These methods return mixed and mismatched types throughout the hierarchy |
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* |
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* @return bool|ElementArray |
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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*\[(?P<array>.*)/is', $content, $match)) { |
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preg_match_all('/(.*?)(\[|\])/s', trim($content), $matches); |
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$level = 0; |
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$sub = ''; |
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foreach ($matches[0] as $part) { |
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$sub .= $part; |
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$level += (false !== strpos($part, '[') ? 1 : -1); |
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if ($level <= 0) { |
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break; |
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} |
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} |
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// Removes 1 level [ and ]. |
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$sub = substr(trim($sub), 1, -1); |
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$sub_offset = 0; |
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$values = Element::parse($sub, $document, $sub_offset, true); |
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$offset += strpos($content, '[') + 1; |
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// Find next ']' position |
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$offset += \strlen($sub) + 1; |
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return new self($values, $document); |
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} |
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return false; |
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} |
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} |
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smalot /
pdfparser
