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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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* |
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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 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; |
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use Smalot\PdfParser\Element\ElementArray; |
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use Smalot\PdfParser\Element\ElementMissing; |
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use Smalot\PdfParser\Element\ElementNull; |
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use Smalot\PdfParser\Element\ElementXRef; |
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class Page extends PDFObject |
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{ |
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/** |
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* @var Font[] |
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*/ |
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protected $fonts; |
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/** |
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* @var PDFObject[] |
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*/ |
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protected $xobjects; |
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/** |
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* @var array |
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*/ |
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protected $dataTm; |
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/** |
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* @return Font[] |
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*/ |
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public function getFonts() |
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{ |
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if (null !== $this->fonts) { |
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return $this->fonts; |
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} |
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$resources = $this->get('Resources'); |
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if (method_exists($resources, 'has') && $resources->has('Font')) { |
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44 |
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if ($resources->get('Font') instanceof ElementMissing) { |
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return []; |
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} |
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43 |
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if ($resources->get('Font') instanceof Header) { |
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$fonts = $resources->get('Font')->getElements(); |
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} else { |
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$fonts = $resources->get('Font')->getHeader()->getElements(); |
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} |
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$table = []; |
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foreach ($fonts as $id => $font) { |
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if ($font instanceof Font) { |
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$table[$id] = $font; |
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// Store too on cleaned id value (only numeric) |
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$id = preg_replace('/[^0-9\.\-_]/', '', $id); |
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if ('' != $id) { |
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$table[$id] = $font; |
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} |
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} |
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} |
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return $this->fonts = $table; |
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} |
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return []; |
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} |
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public function getFont(string $id): ?Font |
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{ |
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$fonts = $this->getFonts(); |
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if (isset($fonts[$id])) { |
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return $fonts[$id]; |
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} |
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// According to the PDF specs (https://www.adobe.com/content/dam/acom/en/devnet/pdf/pdfs/PDF32000_2008.pdf, page 238) |
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// "The font resource name presented to the Tf operator is arbitrary, as are the names for all kinds of resources" |
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// Instead, we search for the unfiltered name first and then do this cleaning as a fallback, so all tests still pass. |
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if (isset($fonts[$id])) { |
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return $fonts[$id]; |
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} else { |
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$id = preg_replace('/[^0-9\.\-_]/', '', $id); |
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if (isset($fonts[$id])) { |
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return $fonts[$id]; |
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} |
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} |
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return null; |
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} |
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/** |
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* Support for XObject |
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* |
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* @return PDFObject[] |
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*/ |
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public function getXObjects() |
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{ |
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if (null !== $this->xobjects) { |
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return $this->xobjects; |
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} |
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$resources = $this->get('Resources'); |
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if (method_exists($resources, 'has') && $resources->has('XObject')) { |
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if ($resources->get('XObject') instanceof Header) { |
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$xobjects = $resources->get('XObject')->getElements(); |
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} else { |
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$xobjects = $resources->get('XObject')->getHeader()->getElements(); |
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} |
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$table = []; |
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foreach ($xobjects as $id => $xobject) { |
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$table[$id] = $xobject; |
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// Store too on cleaned id value (only numeric) |
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$id = preg_replace('/[^0-9\.\-_]/', '', $id); |
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if ('' != $id) { |
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$table[$id] = $xobject; |
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} |
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} |
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return $this->xobjects = $table; |
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} |
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return []; |
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} |
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public function getXObject(string $id): ?PDFObject |
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{ |
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$xobjects = $this->getXObjects(); |
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if (isset($xobjects[$id])) { |
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return $xobjects[$id]; |
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} |
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return null; |
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/*$id = preg_replace('/[^0-9\.\-_]/', '', $id); |
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if (isset($xobjects[$id])) { |
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return $xobjects[$id]; |
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} else { |
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return null; |
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}*/ |
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} |
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public function getText(?self $page = null): string |
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{ |
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if ($contents = $this->get('Contents')) { |
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if ($contents instanceof ElementMissing) { |
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return ''; |
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} elseif ($contents instanceof ElementNull) { |
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return ''; |
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} elseif ($contents instanceof PDFObject) { |
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$elements = $contents->getHeader()->getElements(); |
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if (is_numeric(key($elements))) { |
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$new_content = ''; |
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foreach ($elements as $element) { |
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if ($element instanceof ElementXRef) { |
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$new_content .= $element->getObject()->getContent(); |
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} else { |
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$new_content .= $element->getContent(); |
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} |
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} |
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$header = new Header([], $this->document); |
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$contents = new PDFObject($this->document, $header, $new_content, $this->config); |
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} |
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} elseif ($contents instanceof ElementArray) { |
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// Create a virtual global content. |
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$new_content = ''; |
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foreach ($contents->getContent() as $content) { |
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$new_content .= $content->getContent()."\n"; |
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} |
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$header = new Header([], $this->document); |
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$contents = new PDFObject($this->document, $header, $new_content, $this->config); |
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} |
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/* |
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* Elements referencing each other on the same page can cause endless loops during text parsing. |
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* To combat this we keep a recursionStack containing already parsed elements on the page. |
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* The stack is only emptied here after getting text from a page. |
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*/ |
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$contentsText = $contents->getText($this); |
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PDFObject::$recursionStack = []; |
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return $contentsText; |
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} |
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return ''; |
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} |
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/** |
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* Return true if the current page is a (setasign\Fpdi\Fpdi) FPDI/FPDF document |
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* |
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* The metadata 'Producer' should have the value of "FPDF" . FPDF_VERSION if the |
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* pdf file was generated by FPDF/Fpfi. |
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* |
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* @return bool true is the current page is a FPDI/FPDF document |
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*/ |
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public function isFpdf(): bool |
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{ |
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if (\array_key_exists('Producer', $this->document->getDetails()) |
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&& \is_string($this->document->getDetails()['Producer']) |
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&& 0 === strncmp($this->document->getDetails()['Producer'], 'FPDF', 4)) { |
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return true; |
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} |
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return false; |
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} |
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/** |
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* Return the page number of the PDF document of the page object |
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* |
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* @return int the page number |
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*/ |
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public function getPageNumber(): int |
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{ |
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$pages = $this->document->getPages(); |
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$numOfPages = \count($pages); |
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for ($pageNum = 0; $pageNum < $numOfPages; ++$pageNum) { |
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if ($pages[$pageNum] === $this) { |
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break; |
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} |
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} |
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return $pageNum; |
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} |
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/** |
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* Return the Object of the page if the document is a FPDF/FPDI document |
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* |
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* If the document was generated by FPDF/FPDI it returns the |
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* PDFObject of the given page |
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* |
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* @return PDFObject The PDFObject for the page |
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*/ |
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1 |
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public function getPDFObjectForFpdf(): PDFObject |
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{ |
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1 |
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$pageNum = $this->getPageNumber(); |
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$xObjects = $this->getXObjects(); |
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return $xObjects[$pageNum]; |
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} |
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282
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/** |
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283
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* Return a new PDFObject of the document created with FPDF/FPDI |
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* |
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* For a document generated by FPDF/FPDI, it generates a |
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* new PDFObject for that document |
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* |
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* @return PDFObject The PDFObject |
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*/ |
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1 |
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public function createPDFObjectForFpdf(): PDFObject |
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{ |
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1 |
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$pdfObject = $this->getPDFObjectForFpdf(); |
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1 |
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$new_content = $pdfObject->getContent(); |
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1 |
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$header = $pdfObject->getHeader(); |
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1 |
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$config = $pdfObject->config; |
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1 |
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return new PDFObject($pdfObject->document, $header, $new_content, $config); |
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} |
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300
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/** |
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301
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* Return page if document is a FPDF/FPDI document |
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* |
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* @return Page The page |
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*/ |
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1 |
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public function createPageForFpdf(): self |
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{ |
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1 |
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$pdfObject = $this->getPDFObjectForFpdf(); |
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1 |
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$new_content = $pdfObject->getContent(); |
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1 |
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$header = $pdfObject->getHeader(); |
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1 |
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$config = $pdfObject->config; |
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1 |
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return new self($pdfObject->document, $header, $new_content, $config); |
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313
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} |
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314
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315
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8 |
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public function getTextArray(?self $page = null): array |
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316
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{ |
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317
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8 |
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if ($this->isFpdf()) { |
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1 |
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$pdfObject = $this->getPDFObjectForFpdf(); |
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1 |
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$newPdfObject = $this->createPDFObjectForFpdf(); |
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1 |
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return $newPdfObject->getTextArray($pdfObject); |
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322
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} else { |
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7 |
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if ($contents = $this->get('Contents')) { |
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|
7 |
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if ($contents instanceof ElementMissing) { |
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325
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return []; |
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326
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7 |
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} elseif ($contents instanceof ElementNull) { |
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327
|
|
|
return []; |
|
328
|
7 |
|
} elseif ($contents instanceof PDFObject) { |
|
|
|
|
|
|
329
|
7 |
|
$elements = $contents->getHeader()->getElements(); |
|
330
|
|
|
|
|
331
|
7 |
|
if (is_numeric(key($elements))) { |
|
332
|
|
|
$new_content = ''; |
|
333
|
|
|
|
|
334
|
|
|
/** @var PDFObject $element */ |
|
335
|
|
|
foreach ($elements as $element) { |
|
336
|
|
|
if ($element instanceof ElementXRef) { |
|
337
|
|
|
$new_content .= $element->getObject()->getContent(); |
|
338
|
|
|
} else { |
|
339
|
|
|
$new_content .= $element->getContent(); |
|
340
|
|
|
} |
|
341
|
|
|
} |
|
342
|
|
|
|
|
343
|
|
|
$header = new Header([], $this->document); |
|
344
|
|
|
$contents = new PDFObject($this->document, $header, $new_content, $this->config); |
|
345
|
|
|
} else { |
|
346
|
|
|
try { |
|
347
|
7 |
|
$contents->getTextArray($this); |
|
348
|
|
|
} catch (\Throwable $e) { |
|
349
|
7 |
|
return $contents->getTextArray(); |
|
350
|
|
|
} |
|
351
|
|
|
} |
|
352
|
1 |
|
} elseif ($contents instanceof ElementArray) { |
|
353
|
|
|
// Create a virtual global content. |
|
354
|
1 |
|
$new_content = ''; |
|
355
|
|
|
|
|
356
|
|
|
/** @var PDFObject $content */ |
|
357
|
1 |
|
foreach ($contents->getContent() as $content) { |
|
358
|
1 |
|
$new_content .= $content->getContent()."\n"; |
|
359
|
|
|
} |
|
360
|
|
|
|
|
361
|
1 |
|
$header = new Header([], $this->document); |
|
362
|
1 |
|
$contents = new PDFObject($this->document, $header, $new_content, $this->config); |
|
|
|
|
|
|
363
|
|
|
} |
|
364
|
|
|
|
|
365
|
7 |
|
return $contents->getTextArray($this); |
|
|
|
|
|
|
366
|
|
|
} |
|
367
|
|
|
|
|
368
|
|
|
return []; |
|
369
|
|
|
} |
|
370
|
|
|
} |
|
371
|
|
|
|
|
372
|
|
|
/** |
|
373
|
|
|
* Gets all the text data with its internal representation of the page. |
|
374
|
|
|
* |
|
375
|
|
|
* Returns an array with the data and the internal representation |
|
376
|
|
|
*/ |
|
377
|
12 |
|
public function extractRawData(): array |
|
378
|
|
|
{ |
|
379
|
|
|
/* |
|
380
|
|
|
* Now you can get the complete content of the object with the text on it |
|
381
|
|
|
*/ |
|
382
|
12 |
|
$extractedData = []; |
|
383
|
12 |
|
$content = $this->get('Contents'); |
|
384
|
12 |
|
$values = $content->getContent(); |
|
385
|
12 |
|
if (isset($values) && \is_array($values)) { |
|
386
|
1 |
|
$text = ''; |
|
387
|
1 |
|
foreach ($values as $section) { |
|
388
|
1 |
|
$text .= $section->getContent(); |
|
389
|
|
|
} |
|
390
|
1 |
|
$sectionsText = $this->getSectionsText($text); |
|
391
|
1 |
|
foreach ($sectionsText as $sectionText) { |
|
392
|
1 |
|
$commandsText = $this->getCommandsText($sectionText); |
|
393
|
1 |
|
foreach ($commandsText as $command) { |
|
394
|
1 |
|
$extractedData[] = $command; |
|
395
|
|
|
} |
|
396
|
|
|
} |
|
397
|
|
|
} else { |
|
398
|
12 |
|
if ($this->isFpdf()) { |
|
399
|
1 |
|
$content = $this->getPDFObjectForFpdf(); |
|
400
|
|
|
} |
|
401
|
12 |
|
$sectionsText = $content->getSectionsText($content->getContent()); |
|
|
|
|
|
|
402
|
12 |
|
foreach ($sectionsText as $sectionText) { |
|
403
|
12 |
|
$commandsText = $content->getCommandsText($sectionText); |
|
|
|
|
|
|
404
|
12 |
|
foreach ($commandsText as $command) { |
|
405
|
12 |
|
$extractedData[] = $command; |
|
406
|
|
|
} |
|
407
|
|
|
} |
|
408
|
|
|
} |
|
409
|
|
|
|
|
410
|
12 |
|
return $extractedData; |
|
411
|
|
|
} |
|
412
|
|
|
|
|
413
|
|
|
/** |
|
414
|
|
|
* Gets all the decoded text data with it internal representation from a page. |
|
415
|
|
|
* |
|
416
|
|
|
* @param array $extractedRawData the extracted data return by extractRawData or |
|
417
|
|
|
* null if extractRawData should be called |
|
418
|
|
|
* |
|
419
|
|
|
* @return array An array with the data and the internal representation |
|
420
|
|
|
*/ |
|
421
|
11 |
|
public function extractDecodedRawData(?array $extractedRawData = null): array |
|
422
|
|
|
{ |
|
423
|
11 |
|
if (!isset($extractedRawData) || !$extractedRawData) { |
|
|
|
|
|
|
424
|
11 |
|
$extractedRawData = $this->extractRawData(); |
|
425
|
|
|
} |
|
426
|
11 |
|
$currentFont = null; /** @var Font $currentFont */ |
|
427
|
11 |
|
$clippedFont = null; |
|
428
|
11 |
|
$fpdfPage = null; |
|
429
|
11 |
|
if ($this->isFpdf()) { |
|
430
|
1 |
|
$fpdfPage = $this->createPageForFpdf(); |
|
431
|
|
|
} |
|
432
|
11 |
|
foreach ($extractedRawData as &$command) { |
|
433
|
11 |
|
if ('Tj' == $command['o'] || 'TJ' == $command['o']) { |
|
434
|
11 |
|
$data = $command['c']; |
|
435
|
11 |
|
if (!\is_array($data)) { |
|
436
|
9 |
|
$tmpText = ''; |
|
437
|
9 |
|
if (isset($currentFont)) { |
|
438
|
9 |
|
$tmpText = $currentFont->decodeOctal($data); |
|
439
|
|
|
// $tmpText = $currentFont->decodeHexadecimal($tmpText, false); |
|
440
|
|
|
} |
|
441
|
9 |
|
$tmpText = str_replace( |
|
442
|
9 |
|
['\\\\', '\(', '\)', '\n', '\r', '\t', '\ '], |
|
443
|
9 |
|
['\\', '(', ')', "\n", "\r", "\t", ' '], |
|
444
|
9 |
|
$tmpText |
|
445
|
9 |
|
); |
|
446
|
9 |
|
$tmpText = mb_convert_encoding($tmpText, 'UTF-8', 'ISO-8859-1'); |
|
447
|
9 |
|
if (isset($currentFont)) { |
|
448
|
9 |
|
$tmpText = $currentFont->decodeContent($tmpText); |
|
|
|
|
|
|
449
|
|
|
} |
|
450
|
9 |
|
$command['c'] = $tmpText; |
|
451
|
9 |
|
continue; |
|
452
|
|
|
} |
|
453
|
11 |
|
$numText = \count($data); |
|
454
|
11 |
|
for ($i = 0; $i < $numText; ++$i) { |
|
455
|
11 |
|
if (0 != ($i % 2)) { |
|
456
|
7 |
|
continue; |
|
457
|
|
|
} |
|
458
|
11 |
|
$tmpText = $data[$i]['c']; |
|
459
|
11 |
|
$decodedText = isset($currentFont) ? $currentFont->decodeOctal($tmpText) : $tmpText; |
|
460
|
11 |
|
$decodedText = str_replace( |
|
461
|
11 |
|
['\\\\', '\(', '\)', '\n', '\r', '\t', '\ '], |
|
462
|
11 |
|
['\\', '(', ')', "\n", "\r", "\t", ' '], |
|
463
|
11 |
|
$decodedText |
|
464
|
11 |
|
); |
|
465
|
|
|
|
|
466
|
11 |
|
$decodedText = mb_convert_encoding($decodedText, 'UTF-8', 'ISO-8859-1'); |
|
467
|
|
|
|
|
468
|
11 |
|
if (isset($currentFont)) { |
|
469
|
9 |
|
$decodedText = $currentFont->decodeContent($decodedText); |
|
470
|
|
|
} |
|
471
|
11 |
|
$command['c'][$i]['c'] = $decodedText; |
|
472
|
11 |
|
continue; |
|
473
|
|
|
} |
|
474
|
11 |
|
} elseif ('Tf' == $command['o'] || 'TF' == $command['o']) { |
|
475
|
11 |
|
$fontId = explode(' ', $command['c'])[0]; |
|
476
|
|
|
// If document is a FPDI/FPDF the $page has the correct font |
|
477
|
11 |
|
$currentFont = isset($fpdfPage) ? $fpdfPage->getFont($fontId) : $this->getFont($fontId); |
|
478
|
11 |
|
continue; |
|
479
|
11 |
|
} elseif ('Q' == $command['o']) { |
|
480
|
8 |
|
$currentFont = $clippedFont; |
|
481
|
11 |
|
} elseif ('q' == $command['o']) { |
|
482
|
8 |
|
$clippedFont = $currentFont; |
|
483
|
|
|
} |
|
484
|
|
|
} |
|
485
|
|
|
|
|
486
|
11 |
|
return $extractedRawData; |
|
487
|
|
|
} |
|
488
|
|
|
|
|
489
|
|
|
/** |
|
490
|
|
|
* Gets just the Text commands that are involved in text positions and |
|
491
|
|
|
* Text Matrix (Tm) |
|
492
|
|
|
* |
|
493
|
|
|
* It extract just the PDF commands that are involved with text positions, and |
|
494
|
|
|
* the Text Matrix (Tm). These are: BT, ET, TL, Td, TD, Tm, T*, Tj, ', ", and TJ |
|
495
|
|
|
* |
|
496
|
|
|
* @param array $extractedDecodedRawData The data extracted by extractDecodeRawData. |
|
497
|
|
|
* If it is null, the method extractDecodeRawData is called. |
|
498
|
|
|
* |
|
499
|
|
|
* @return array An array with the text command of the page |
|
500
|
|
|
*/ |
|
501
|
9 |
|
public function getDataCommands(?array $extractedDecodedRawData = null): array |
|
502
|
|
|
{ |
|
503
|
9 |
|
if (!isset($extractedDecodedRawData) || !$extractedDecodedRawData) { |
|
|
|
|
|
|
504
|
9 |
|
$extractedDecodedRawData = $this->extractDecodedRawData(); |
|
505
|
|
|
} |
|
506
|
9 |
|
$extractedData = []; |
|
507
|
9 |
|
foreach ($extractedDecodedRawData as $command) { |
|
508
|
9 |
|
switch ($command['o']) { |
|
509
|
|
|
/* |
|
510
|
|
|
* BT |
|
511
|
|
|
* Begin a text object, inicializind the Tm and Tlm to identity matrix |
|
512
|
|
|
*/ |
|
513
|
9 |
|
case 'BT': |
|
514
|
9 |
|
$extractedData[] = $command; |
|
515
|
9 |
|
break; |
|
516
|
|
|
|
|
517
|
|
|
/* |
|
518
|
|
|
* ET |
|
519
|
|
|
* End a text object, discarding the text matrix |
|
520
|
|
|
*/ |
|
521
|
9 |
|
case 'ET': |
|
522
|
9 |
|
$extractedData[] = $command; |
|
523
|
9 |
|
break; |
|
524
|
|
|
|
|
525
|
|
|
/* |
|
526
|
|
|
* leading TL |
|
527
|
|
|
* Set the text leading, Tl, to leading. Tl is used by the T*, ' and " operators. |
|
528
|
|
|
* Initial value: 0 |
|
529
|
|
|
*/ |
|
530
|
9 |
|
case 'TL': |
|
531
|
5 |
|
$extractedData[] = $command; |
|
532
|
5 |
|
break; |
|
533
|
|
|
|
|
534
|
|
|
/* |
|
535
|
|
|
* tx ty Td |
|
536
|
|
|
* Move to the start of the next line, offset form the start of the |
|
537
|
|
|
* current line by tx, ty. |
|
538
|
|
|
*/ |
|
539
|
9 |
|
case 'Td': |
|
540
|
9 |
|
$extractedData[] = $command; |
|
541
|
9 |
|
break; |
|
542
|
|
|
|
|
543
|
|
|
/* |
|
544
|
|
|
* tx ty TD |
|
545
|
|
|
* Move to the start of the next line, offset form the start of the |
|
546
|
|
|
* current line by tx, ty. As a side effect, this operator set the leading |
|
547
|
|
|
* parameter in the text state. This operator has the same effect as the |
|
548
|
|
|
* code: |
|
549
|
|
|
* -ty TL |
|
550
|
|
|
* tx ty Td |
|
551
|
|
|
*/ |
|
552
|
9 |
|
case 'TD': |
|
553
|
|
|
$extractedData[] = $command; |
|
554
|
|
|
break; |
|
555
|
|
|
|
|
556
|
|
|
/* |
|
557
|
|
|
* a b c d e f Tm |
|
558
|
|
|
* Set the text matrix, Tm, and the text line matrix, Tlm. The operands are |
|
559
|
|
|
* all numbers, and the initial value for Tm and Tlm is the identity matrix |
|
560
|
|
|
* [1 0 0 1 0 0] |
|
561
|
|
|
*/ |
|
562
|
9 |
|
case 'Tm': |
|
563
|
7 |
|
$extractedData[] = $command; |
|
564
|
7 |
|
break; |
|
565
|
|
|
|
|
566
|
|
|
/* |
|
567
|
|
|
* T* |
|
568
|
|
|
* Move to the start of the next line. This operator has the same effect |
|
569
|
|
|
* as the code: |
|
570
|
|
|
* 0 Tl Td |
|
571
|
|
|
* Where Tl is the current leading parameter in the text state. |
|
572
|
|
|
*/ |
|
573
|
9 |
|
case 'T*': |
|
574
|
5 |
|
$extractedData[] = $command; |
|
575
|
5 |
|
break; |
|
576
|
|
|
|
|
577
|
|
|
/* |
|
578
|
|
|
* string Tj |
|
579
|
|
|
* Show a Text String |
|
580
|
|
|
*/ |
|
581
|
9 |
|
case 'Tj': |
|
582
|
8 |
|
$extractedData[] = $command; |
|
583
|
8 |
|
break; |
|
584
|
|
|
|
|
585
|
|
|
/* |
|
586
|
|
|
* string ' |
|
587
|
|
|
* Move to the next line and show a text string. This operator has the |
|
588
|
|
|
* same effect as the code: |
|
589
|
|
|
* T* |
|
590
|
|
|
* string Tj |
|
591
|
|
|
*/ |
|
592
|
9 |
|
case "'": |
|
593
|
|
|
$extractedData[] = $command; |
|
594
|
|
|
break; |
|
595
|
|
|
|
|
596
|
|
|
/* |
|
597
|
|
|
* aw ac string " |
|
598
|
|
|
* Move to the next lkine and show a text string, using aw as the word |
|
599
|
|
|
* spacing and ac as the character spacing. This operator has the same |
|
600
|
|
|
* effect as the code: |
|
601
|
|
|
* aw Tw |
|
602
|
|
|
* ac Tc |
|
603
|
|
|
* string ' |
|
604
|
|
|
* Tw set the word spacing, Tw, to wordSpace. |
|
605
|
|
|
* Tc Set the character spacing, Tc, to charsSpace. |
|
606
|
|
|
*/ |
|
607
|
9 |
|
case '"': |
|
608
|
|
|
$extractedData[] = $command; |
|
609
|
|
|
break; |
|
610
|
|
|
|
|
611
|
9 |
|
case 'Tf': |
|
612
|
9 |
|
case 'TF': |
|
613
|
9 |
|
$extractedData[] = $command; |
|
614
|
9 |
|
break; |
|
615
|
|
|
|
|
616
|
|
|
/* |
|
617
|
|
|
* array TJ |
|
618
|
|
|
* Show one or more text strings allow individual glyph positioning. |
|
619
|
|
|
* Each lement of array con be a string or a number. If the element is |
|
620
|
|
|
* a string, this operator shows the string. If it is a number, the |
|
621
|
|
|
* operator adjust the text position by that amount; that is, it translates |
|
622
|
|
|
* the text matrix, Tm. This amount is substracted form the current |
|
623
|
|
|
* horizontal or vertical coordinate, depending on the writing mode. |
|
624
|
|
|
* in the default coordinate system, a positive adjustment has the effect |
|
625
|
|
|
* of moving the next glyph painted either to the left or down by the given |
|
626
|
|
|
* amount. |
|
627
|
|
|
*/ |
|
628
|
9 |
|
case 'TJ': |
|
629
|
9 |
|
$extractedData[] = $command; |
|
630
|
9 |
|
break; |
|
631
|
|
|
default: |
|
632
|
|
|
} |
|
633
|
|
|
} |
|
634
|
|
|
|
|
635
|
9 |
|
return $extractedData; |
|
636
|
|
|
} |
|
637
|
|
|
|
|
638
|
|
|
/** |
|
639
|
|
|
* Gets the Text Matrix of the text in the page |
|
640
|
|
|
* |
|
641
|
|
|
* Return an array where every item is an array where the first item is the |
|
642
|
|
|
* Text Matrix (Tm) and the second is a string with the text data. The Text matrix |
|
643
|
|
|
* is an array of 6 numbers. The last 2 numbers are the coordinates X and Y of the |
|
644
|
|
|
* text. The first 4 numbers has to be with Scalation, Rotation and Skew of the text. |
|
645
|
|
|
* |
|
646
|
|
|
* @param array $dataCommands the data extracted by getDataCommands |
|
647
|
|
|
* if null getDataCommands is called |
|
648
|
|
|
* |
|
649
|
|
|
* @return array an array with the data of the page including the Tm information |
|
650
|
|
|
* of any text in the page |
|
651
|
|
|
*/ |
|
652
|
8 |
|
public function getDataTm(?array $dataCommands = null): array |
|
653
|
|
|
{ |
|
654
|
8 |
|
if (!isset($dataCommands) || !$dataCommands) { |
|
|
|
|
|
|
655
|
8 |
|
$dataCommands = $this->getDataCommands(); |
|
656
|
|
|
} |
|
657
|
|
|
|
|
658
|
|
|
/* |
|
659
|
|
|
* At the beginning of a text object Tm is the identity matrix |
|
660
|
|
|
*/ |
|
661
|
8 |
|
$defaultTm = ['1', '0', '0', '1', '0', '0']; |
|
662
|
|
|
|
|
663
|
|
|
/* |
|
664
|
|
|
* Set the text leading used by T*, ' and " operators |
|
665
|
|
|
*/ |
|
666
|
8 |
|
$defaultTl = 0; |
|
667
|
|
|
|
|
668
|
|
|
/* |
|
669
|
|
|
* Set default values for font data |
|
670
|
|
|
*/ |
|
671
|
8 |
|
$defaultFontId = -1; |
|
672
|
8 |
|
$defaultFontSize = 1; |
|
673
|
|
|
|
|
674
|
|
|
/* |
|
675
|
|
|
* Indexes of horizontal/vertical scaling and X,Y-coordinates in the matrix (Tm) |
|
676
|
|
|
*/ |
|
677
|
8 |
|
$hSc = 0; // horizontal scaling |
|
678
|
|
|
/** |
|
679
|
|
|
* index of vertical scaling in the array that encodes the text matrix. |
|
680
|
|
|
* for more information: https://github.com/smalot/pdfparser/pull/559#discussion_r1053415500 |
|
681
|
|
|
*/ |
|
682
|
8 |
|
$vSc = 3; |
|
683
|
8 |
|
$x = 4; |
|
684
|
8 |
|
$y = 5; |
|
685
|
|
|
|
|
686
|
|
|
/* |
|
687
|
|
|
* x,y-coordinates of text space origin in user units |
|
688
|
|
|
* |
|
689
|
|
|
* These will be assigned the value of the currently printed string |
|
690
|
|
|
*/ |
|
691
|
8 |
|
$Tx = 0; |
|
692
|
8 |
|
$Ty = 0; |
|
693
|
|
|
|
|
694
|
8 |
|
$Tm = $defaultTm; |
|
695
|
8 |
|
$Tl = $defaultTl; |
|
696
|
8 |
|
$fontId = $defaultFontId; |
|
697
|
8 |
|
$fontSize = $defaultFontSize; // reflects fontSize set by Tf or Tfs |
|
698
|
|
|
|
|
699
|
8 |
|
$extractedTexts = $this->getTextArray(); |
|
700
|
8 |
|
$extractedData = []; |
|
701
|
8 |
|
foreach ($dataCommands as $command) { |
|
702
|
|
|
// If we've used up all the texts from getTextArray(), exit |
|
703
|
|
|
// so we aren't accessing non-existent array indices |
|
704
|
|
|
// Fixes 'undefined array key' errors in Issues #575, #576 |
|
705
|
8 |
|
if (\count($extractedTexts) <= \count($extractedData)) { |
|
706
|
6 |
|
break; |
|
707
|
|
|
} |
|
708
|
8 |
|
$currentText = $extractedTexts[\count($extractedData)]; |
|
709
|
8 |
|
switch ($command['o']) { |
|
710
|
|
|
/* |
|
711
|
|
|
* BT |
|
712
|
|
|
* Begin a text object, initializing the Tm and Tlm to identity matrix |
|
713
|
|
|
*/ |
|
714
|
8 |
|
case 'BT': |
|
715
|
8 |
|
$Tm = $defaultTm; |
|
716
|
8 |
|
$Tl = $defaultTl; |
|
717
|
8 |
|
$Tx = 0; |
|
718
|
8 |
|
$Ty = 0; |
|
719
|
8 |
|
break; |
|
720
|
|
|
|
|
721
|
|
|
/* |
|
722
|
|
|
* ET |
|
723
|
|
|
* End a text object |
|
724
|
|
|
*/ |
|
725
|
8 |
|
case 'ET': |
|
726
|
7 |
|
break; |
|
727
|
|
|
|
|
728
|
|
|
/* |
|
729
|
|
|
* text leading TL |
|
730
|
|
|
* Set the text leading, Tl, to leading. Tl is used by the T*, ' and " operators. |
|
731
|
|
|
* Initial value: 0 |
|
732
|
|
|
*/ |
|
733
|
8 |
|
case 'TL': |
|
734
|
|
|
// scaled text leading |
|
735
|
4 |
|
$Tl = (float) $command['c'] * (float) $Tm[$vSc]; |
|
736
|
4 |
|
break; |
|
737
|
|
|
|
|
738
|
|
|
/* |
|
739
|
|
|
* tx ty Td |
|
740
|
|
|
* Move to the start of the next line, offset from the start of the |
|
741
|
|
|
* current line by tx, ty. |
|
742
|
|
|
*/ |
|
743
|
8 |
|
case 'Td': |
|
744
|
8 |
|
$coord = explode(' ', $command['c']); |
|
745
|
8 |
|
$Tx += (float) $coord[0] * (float) $Tm[$hSc]; |
|
746
|
8 |
|
$Ty += (float) $coord[1] * (float) $Tm[$vSc]; |
|
747
|
8 |
|
$Tm[$x] = (string) $Tx; |
|
748
|
8 |
|
$Tm[$y] = (string) $Ty; |
|
749
|
8 |
|
break; |
|
750
|
|
|
|
|
751
|
|
|
/* |
|
752
|
|
|
* tx ty TD |
|
753
|
|
|
* Move to the start of the next line, offset form the start of the |
|
754
|
|
|
* current line by tx, ty. As a side effect, this operator set the leading |
|
755
|
|
|
* parameter in the text state. This operator has the same effect as the |
|
756
|
|
|
* code: |
|
757
|
|
|
* -ty TL |
|
758
|
|
|
* tx ty Td |
|
759
|
|
|
*/ |
|
760
|
8 |
|
case 'TD': |
|
761
|
1 |
|
$coord = explode(' ', $command['c']); |
|
762
|
1 |
|
$Tl = -((float) $coord[1] * (float) $Tm[$vSc]); |
|
763
|
1 |
|
$Tx += (float) $coord[0] * (float) $Tm[$hSc]; |
|
764
|
1 |
|
$Ty += (float) $coord[1] * (float) $Tm[$vSc]; |
|
765
|
1 |
|
$Tm[$x] = (string) $Tx; |
|
766
|
1 |
|
$Tm[$y] = (string) $Ty; |
|
767
|
1 |
|
break; |
|
768
|
|
|
|
|
769
|
|
|
/* |
|
770
|
|
|
* a b c d e f Tm |
|
771
|
|
|
* Set the text matrix, Tm, and the text line matrix, Tlm. The operands are |
|
772
|
|
|
* all numbers, and the initial value for Tm and Tlm is the identity matrix |
|
773
|
|
|
* [1 0 0 1 0 0] |
|
774
|
|
|
*/ |
|
775
|
8 |
|
case 'Tm': |
|
776
|
6 |
|
$Tm = explode(' ', $command['c']); |
|
777
|
6 |
|
$Tx = (float) $Tm[$x]; |
|
778
|
6 |
|
$Ty = (float) $Tm[$y]; |
|
779
|
6 |
|
break; |
|
780
|
|
|
|
|
781
|
|
|
/* |
|
782
|
|
|
* T* |
|
783
|
|
|
* Move to the start of the next line. This operator has the same effect |
|
784
|
|
|
* as the code: |
|
785
|
|
|
* 0 Tl Td |
|
786
|
|
|
* Where Tl is the current leading parameter in the text state. |
|
787
|
|
|
*/ |
|
788
|
8 |
|
case 'T*': |
|
789
|
4 |
|
$Ty -= $Tl; |
|
790
|
4 |
|
$Tm[$y] = (string) $Ty; |
|
791
|
4 |
|
break; |
|
792
|
|
|
|
|
793
|
|
|
/* |
|
794
|
|
|
* string Tj |
|
795
|
|
|
* Show a Text String |
|
796
|
|
|
*/ |
|
797
|
8 |
|
case 'Tj': |
|
798
|
7 |
|
$data = [$Tm, $currentText]; |
|
799
|
7 |
|
if ($this->config->getDataTmFontInfoHasToBeIncluded()) { |
|
|
|
|
|
|
800
|
2 |
|
$data[] = $fontId; |
|
801
|
2 |
|
$data[] = $fontSize; |
|
802
|
|
|
} |
|
803
|
7 |
|
$extractedData[] = $data; |
|
804
|
7 |
|
break; |
|
805
|
|
|
|
|
806
|
|
|
/* |
|
807
|
|
|
* string ' |
|
808
|
|
|
* Move to the next line and show a text string. This operator has the |
|
809
|
|
|
* same effect as the code: |
|
810
|
|
|
* T* |
|
811
|
|
|
* string Tj |
|
812
|
|
|
*/ |
|
813
|
8 |
|
case "'": |
|
814
|
1 |
|
$Ty -= $Tl; |
|
815
|
1 |
|
$Tm[$y] = (string) $Ty; |
|
816
|
1 |
|
$extractedData[] = [$Tm, $currentText]; |
|
817
|
1 |
|
break; |
|
818
|
|
|
|
|
819
|
|
|
/* |
|
820
|
|
|
* aw ac string " |
|
821
|
|
|
* Move to the next line and show a text string, using aw as the word |
|
822
|
|
|
* spacing and ac as the character spacing. This operator has the same |
|
823
|
|
|
* effect as the code: |
|
824
|
|
|
* aw Tw |
|
825
|
|
|
* ac Tc |
|
826
|
|
|
* string ' |
|
827
|
|
|
* Tw set the word spacing, Tw, to wordSpace. |
|
828
|
|
|
* Tc Set the character spacing, Tc, to charsSpace. |
|
829
|
|
|
*/ |
|
830
|
8 |
|
case '"': |
|
831
|
|
|
$data = explode(' ', $currentText); |
|
832
|
|
|
$Ty -= $Tl; |
|
833
|
|
|
$Tm[$y] = (string) $Ty; |
|
834
|
|
|
$extractedData[] = [$Tm, $data[2]]; // Verify |
|
835
|
|
|
break; |
|
836
|
|
|
|
|
837
|
8 |
|
case 'Tf': |
|
838
|
|
|
/* |
|
839
|
|
|
* From PDF 1.0 specification, page 106: |
|
840
|
|
|
* fontname size Tf Set font and size |
|
841
|
|
|
* Sets the text font and text size in the graphics state. There is no default value for |
|
842
|
|
|
* either fontname or size; they must be selected using Tf before drawing any text. |
|
843
|
|
|
* fontname is a resource name. size is a number expressed in text space units. |
|
844
|
|
|
* |
|
845
|
|
|
* Source: https://ia902503.us.archive.org/10/items/pdfy-0vt8s-egqFwDl7L2/PDF%20Reference%201.0.pdf |
|
846
|
|
|
* Introduced with https://github.com/smalot/pdfparser/pull/516 |
|
847
|
|
|
*/ |
|
848
|
8 |
|
list($fontId, $fontSize) = explode(' ', $command['c'], 2); |
|
849
|
8 |
|
break; |
|
850
|
|
|
|
|
851
|
|
|
/* |
|
852
|
|
|
* array TJ |
|
853
|
|
|
* Show one or more text strings allow individual glyph positioning. |
|
854
|
|
|
* Each lement of array con be a string or a number. If the element is |
|
855
|
|
|
* a string, this operator shows the string. If it is a number, the |
|
856
|
|
|
* operator adjust the text position by that amount; that is, it translates |
|
857
|
|
|
* the text matrix, Tm. This amount is substracted form the current |
|
858
|
|
|
* horizontal or vertical coordinate, depending on the writing mode. |
|
859
|
|
|
* in the default coordinate system, a positive adjustment has the effect |
|
860
|
|
|
* of moving the next glyph painted either to the left or down by the given |
|
861
|
|
|
* amount. |
|
862
|
|
|
*/ |
|
863
|
8 |
|
case 'TJ': |
|
864
|
8 |
|
$data = [$Tm, $currentText]; |
|
865
|
8 |
|
if ($this->config->getDataTmFontInfoHasToBeIncluded()) { |
|
866
|
2 |
|
$data[] = $fontId; |
|
867
|
2 |
|
$data[] = $fontSize; |
|
868
|
|
|
} |
|
869
|
8 |
|
$extractedData[] = $data; |
|
870
|
8 |
|
break; |
|
871
|
|
|
default: |
|
872
|
|
|
} |
|
873
|
|
|
} |
|
874
|
8 |
|
$this->dataTm = $extractedData; |
|
875
|
|
|
|
|
876
|
8 |
|
return $extractedData; |
|
877
|
|
|
} |
|
878
|
|
|
|
|
879
|
|
|
/** |
|
880
|
|
|
* Gets text data that are around the given coordinates (X,Y) |
|
881
|
|
|
* |
|
882
|
|
|
* If the text is in near the given coordinates (X,Y) (or the TM info), |
|
883
|
|
|
* the text is returned. The extractedData return by getDataTm, could be use to see |
|
884
|
|
|
* where is the coordinates of a given text, using the TM info for it. |
|
885
|
|
|
* |
|
886
|
|
|
* @param float $x The X value of the coordinate to search for. if null |
|
887
|
|
|
* just the Y value is considered (same Row) |
|
888
|
|
|
* @param float $y The Y value of the coordinate to search for |
|
889
|
|
|
* just the X value is considered (same column) |
|
890
|
|
|
* @param float $xError The value less or more to consider an X to be "near" |
|
891
|
|
|
* @param float $yError The value less or more to consider an Y to be "near" |
|
892
|
|
|
* |
|
893
|
|
|
* @return array An array of text that are near the given coordinates. If no text |
|
894
|
|
|
* "near" the x,y coordinate, an empty array is returned. If Both, x |
|
895
|
|
|
* and y coordinates are null, null is returned. |
|
896
|
|
|
*/ |
|
897
|
2 |
|
public function getTextXY(?float $x = null, ?float $y = null, float $xError = 0, float $yError = 0): array |
|
898
|
|
|
{ |
|
899
|
2 |
|
if (!isset($this->dataTm) || !$this->dataTm) { |
|
|
|
|
|
|
900
|
1 |
|
$this->getDataTm(); |
|
901
|
|
|
} |
|
902
|
|
|
|
|
903
|
2 |
|
if (null !== $x) { |
|
904
|
2 |
|
$x = (float) $x; |
|
905
|
|
|
} |
|
906
|
|
|
|
|
907
|
2 |
|
if (null !== $y) { |
|
908
|
2 |
|
$y = (float) $y; |
|
909
|
|
|
} |
|
910
|
|
|
|
|
911
|
2 |
|
if (null === $x && null === $y) { |
|
912
|
|
|
return []; |
|
913
|
|
|
} |
|
914
|
|
|
|
|
915
|
2 |
|
$xError = (float) $xError; |
|
916
|
2 |
|
$yError = (float) $yError; |
|
917
|
|
|
|
|
918
|
2 |
|
$extractedData = []; |
|
919
|
2 |
|
foreach ($this->dataTm as $item) { |
|
920
|
2 |
|
$tm = $item[0]; |
|
921
|
2 |
|
$xTm = (float) $tm[4]; |
|
922
|
2 |
|
$yTm = (float) $tm[5]; |
|
923
|
2 |
|
$text = $item[1]; |
|
924
|
2 |
|
if (null === $y) { |
|
925
|
|
|
if (($xTm >= ($x - $xError)) |
|
926
|
|
|
&& ($xTm <= ($x + $xError))) { |
|
927
|
|
|
$extractedData[] = [$tm, $text]; |
|
928
|
|
|
continue; |
|
929
|
|
|
} |
|
930
|
|
|
} |
|
931
|
2 |
|
if (null === $x) { |
|
932
|
|
|
if (($yTm >= ($y - $yError)) |
|
933
|
|
|
&& ($yTm <= ($y + $yError))) { |
|
934
|
|
|
$extractedData[] = [$tm, $text]; |
|
935
|
|
|
continue; |
|
936
|
|
|
} |
|
937
|
|
|
} |
|
938
|
2 |
|
if (($xTm >= ($x - $xError)) |
|
939
|
2 |
|
&& ($xTm <= ($x + $xError)) |
|
940
|
2 |
|
&& ($yTm >= ($y - $yError)) |
|
941
|
2 |
|
&& ($yTm <= ($y + $yError))) { |
|
942
|
2 |
|
$extractedData[] = [$tm, $text]; |
|
943
|
2 |
|
continue; |
|
944
|
|
|
} |
|
945
|
|
|
} |
|
946
|
|
|
|
|
947
|
2 |
|
return $extractedData; |
|
948
|
|
|
} |
|
949
|
|
|
} |
|
950
|
|
|
|
smalot /
pdfparser
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This check looks for calls to methods that do not seem to exist on a given type. It looks for the method on the type itself as well as in inherited classes or implemented interfaces.
This is most likely a typographical error or the method has been renamed.