* @date 2017-01-03 * @license LGPLv3 * @url * * PdfParser is a pdf library written in PHP, extraction oriented. * Copyright (C) 2017 - Sébastien MALOT * * 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 . * */ namespace Smalot\PdfParser\Element; use Smalot\PdfParser\Element; use Smalot\PdfParser\Document; use Smalot\PdfParser\Header; use Smalot\PdfParser\Object; /** * Class ElementArray * * @package Smalot\PdfParser\Element */ class ElementArray extends Element { /** * @param string $value * @param Document $document */ public function __construct($value, Document $document = null) { parent::__construct($value, $document); } /** * @return mixed */ public function getContent() { foreach ($this->value as $name => $element) { $this->resolveXRef($name); } return parent::getContent(); } /** * @return array */ public function getRawContent() { return $this->value; } /** * @param bool $deep * * @return array */ public function getDetails($deep = true) { $values = array(); $elements = $this->getContent(); foreach ($elements as $key => $element) { if ($element instanceof Header && $deep) { $values[$key] = $element->getDetails($deep); } elseif ($element instanceof Object && $deep) { $values[$key] = $element->getDetails(false); } elseif ($element instanceof ElementArray) { if ($deep) { $values[$key] = $element->getDetails(); } } elseif ($element instanceof Element && !($element instanceof ElementArray)) { $values[$key] = $element->getContent(); } } return $values; } /** * @return string */ public function __toString() { return implode(',', $this->value); } /** * @param string $name * * @return Element|Object */ protected function resolveXRef($name) { if (($obj = $this->value[$name]) instanceof ElementXRef) { /** @var Object $obj */ $obj = $this->document->getObjectById($obj->getId()); $this->value[$name] = $obj; } return $this->value[$name]; } /** * @param string $content * @param Document $document * @param int $offset * * @return bool|ElementArray */ public static function parse($content, Document $document = null, &$offset = 0) { if (preg_match('/^\s*\[(?P.*)/is', $content, $match)) { preg_match_all('/(.*?)(\[|\])/s', trim($content), $matches); $level = 0; $sub = ''; foreach ($matches[0] as $part) { $sub .= $part; $level += (strpos($part, '[') !== false ? 1 : -1); if ($level <= 0) { break; } } // Removes 1 level [ and ]. $sub = substr(trim($sub), 1, -1); $sub_offset = 0; $values = Element::parse($sub, $document, $sub_offset, true); $offset += strpos($content, '[') + 1; // Find next ']' position $offset += strlen($sub) + 1; return new self($values, $document); } return false; } }