Initial Commit

This commit is contained in:
David Stone
2024-11-30 18:24:12 -07:00
commit e8f7955c1c
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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi;
/**
* Class FpdfTpl
*
* This class adds a templating feature to FPDF.
*/
class FpdfTpl extends \WP_Ultimo\Dependencies\FPDF
{
use FpdfTplTrait;
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi;
/**
* Trait FpdfTplTrait
*
* This trait adds a templating feature to FPDF and tFPDF.
*/
trait FpdfTplTrait
{
/**
* Data of all created templates.
*
* @var array
*/
protected $templates = [];
/**
* The template id for the currently created template.
*
* @var null|int
*/
protected $currentTemplateId;
/**
* A counter for template ids.
*
* @var int
*/
protected $templateId = 0;
/**
* Set the page format of the current page.
*
* @param array $size An array with two values defining the size.
* @param string $orientation "L" for landscape, "P" for portrait.
* @throws \BadMethodCallException
*/
public function setPageFormat($size, $orientation)
{
if ($this->currentTemplateId !== null) {
throw new \BadMethodCallException('The page format cannot be changed when writing to a template.');
}
if (!\in_array($orientation, ['P', 'L'], \true)) {
throw new \InvalidArgumentException(\sprintf('Invalid page orientation "%s"! Only "P" and "L" are allowed!', $orientation));
}
$size = $this->_getpagesize($size);
if ($orientation != $this->CurOrientation || $size[0] != $this->CurPageSize[0] || $size[1] != $this->CurPageSize[1]) {
// New size or orientation
if ($orientation === 'P') {
$this->w = $size[0];
$this->h = $size[1];
} else {
$this->w = $size[1];
$this->h = $size[0];
}
$this->wPt = $this->w * $this->k;
$this->hPt = $this->h * $this->k;
$this->PageBreakTrigger = $this->h - $this->bMargin;
$this->CurOrientation = $orientation;
$this->CurPageSize = $size;
$this->PageInfo[$this->page]['size'] = array($this->wPt, $this->hPt);
}
}
/**
* Draws a template onto the page or another template.
*
* Give only one of the size parameters (width, height) to calculate the other one automatically in view to the
* aspect ratio.
*
* @param mixed $tpl The template id
* @param array|float|int $x The abscissa of upper-left corner. Alternatively you could use an assoc array
* with the keys "x", "y", "width", "height", "adjustPageSize".
* @param float|int $y The ordinate of upper-left corner.
* @param float|int|null $width The width.
* @param float|int|null $height The height.
* @param bool $adjustPageSize
* @return array The size
* @see FpdfTplTrait::getTemplateSize()
*/
public function useTemplate($tpl, $x = 0, $y = 0, $width = null, $height = null, $adjustPageSize = \false)
{
if (!isset($this->templates[$tpl])) {
throw new \InvalidArgumentException('Template does not exist!');
}
if (\is_array($x)) {
unset($x['tpl']);
\extract($x, \EXTR_IF_EXISTS);
/** @noinspection NotOptimalIfConditionsInspection */
/** @noinspection PhpConditionAlreadyCheckedInspection */
if (\is_array($x)) {
$x = 0;
}
}
$template = $this->templates[$tpl];
$originalSize = $this->getTemplateSize($tpl);
$newSize = $this->getTemplateSize($tpl, $width, $height);
if ($adjustPageSize) {
$this->setPageFormat($newSize, $newSize['orientation']);
}
$this->_out(
// reset standard values, translate and scale
\sprintf('q 0 J 1 w 0 j 0 G 0 g %.4F 0 0 %.4F %.4F %.4F cm /%s Do Q', $newSize['width'] / $originalSize['width'], $newSize['height'] / $originalSize['height'], $x * $this->k, ($this->h - $y - $newSize['height']) * $this->k, $template['id'])
);
return $newSize;
}
/**
* Get the size of a template.
*
* Give only one of the size parameters (width, height) to calculate the other one automatically in view to the
* aspect ratio.
*
* @param mixed $tpl The template id
* @param float|int|null $width The width.
* @param float|int|null $height The height.
* @return array|bool An array with following keys: width, height, 0 (=width), 1 (=height), orientation (L or P)
*/
public function getTemplateSize($tpl, $width = null, $height = null)
{
if (!isset($this->templates[$tpl])) {
return \false;
}
if ($width === null && $height === null) {
$width = $this->templates[$tpl]['width'];
$height = $this->templates[$tpl]['height'];
} elseif ($width === null) {
$width = $height * $this->templates[$tpl]['width'] / $this->templates[$tpl]['height'];
}
if ($height === null) {
$height = $width * $this->templates[$tpl]['height'] / $this->templates[$tpl]['width'];
}
if ($height <= 0.0 || $width <= 0.0) {
throw new \InvalidArgumentException('Width or height parameter needs to be larger than zero.');
}
return ['width' => $width, 'height' => $height, 0 => $width, 1 => $height, 'orientation' => $width > $height ? 'L' : 'P'];
}
/**
* Begins a new template.
*
* @param float|int|null $width The width of the template. If null, the current page width is used.
* @param float|int|null $height The height of the template. If null, the current page height is used.
* @param bool $groupXObject Define the form XObject as a group XObject to support transparency (if used).
* @return int A template identifier.
*/
public function beginTemplate($width = null, $height = null, $groupXObject = \false)
{
if ($width === null) {
$width = $this->w;
}
if ($height === null) {
$height = $this->h;
}
$templateId = $this->getNextTemplateId();
// initiate buffer with current state of FPDF
$buffer = "2 J\n" . \sprintf('%.2F w', $this->LineWidth * $this->k) . "\n";
if ($this->FontFamily) {
$buffer .= \sprintf("BT /F%d %.2F Tf ET\n", $this->CurrentFont['i'], $this->FontSizePt);
}
if ($this->DrawColor !== '0 G') {
$buffer .= $this->DrawColor . "\n";
}
if ($this->FillColor !== '0 g') {
$buffer .= $this->FillColor . "\n";
}
if ($groupXObject && \version_compare('1.4', $this->PDFVersion, '>')) {
$this->PDFVersion = '1.4';
}
$this->templates[$templateId] = ['objectNumber' => null, 'id' => 'TPL' . $templateId, 'buffer' => $buffer, 'width' => $width, 'height' => $height, 'groupXObject' => $groupXObject, 'state' => ['x' => $this->x, 'y' => $this->y, 'AutoPageBreak' => $this->AutoPageBreak, 'bMargin' => $this->bMargin, 'tMargin' => $this->tMargin, 'lMargin' => $this->lMargin, 'rMargin' => $this->rMargin, 'h' => $this->h, 'hPt' => $this->hPt, 'w' => $this->w, 'wPt' => $this->wPt, 'FontFamily' => $this->FontFamily, 'FontStyle' => $this->FontStyle, 'FontSizePt' => $this->FontSizePt, 'FontSize' => $this->FontSize, 'underline' => $this->underline, 'TextColor' => $this->TextColor, 'DrawColor' => $this->DrawColor, 'FillColor' => $this->FillColor, 'ColorFlag' => $this->ColorFlag]];
$this->SetAutoPageBreak(\false);
$this->currentTemplateId = $templateId;
$this->h = $height;
$this->hPt = $height / $this->k;
$this->w = $width;
$this->wPt = $width / $this->k;
$this->SetXY($this->lMargin, $this->tMargin);
$this->SetRightMargin($this->w - $width + $this->rMargin);
return $templateId;
}
/**
* Ends a template.
*
* @return bool|int|null A template identifier.
*/
public function endTemplate()
{
if ($this->currentTemplateId === null) {
return \false;
}
$templateId = $this->currentTemplateId;
$template = $this->templates[$templateId];
$state = $template['state'];
$this->SetXY($state['x'], $state['y']);
$this->tMargin = $state['tMargin'];
$this->lMargin = $state['lMargin'];
$this->rMargin = $state['rMargin'];
$this->h = $state['h'];
$this->hPt = $state['hPt'];
$this->w = $state['w'];
$this->wPt = $state['wPt'];
$this->SetAutoPageBreak($state['AutoPageBreak'], $state['bMargin']);
$this->FontFamily = $state['FontFamily'];
$this->FontStyle = $state['FontStyle'];
$this->FontSizePt = $state['FontSizePt'];
$this->FontSize = $state['FontSize'];
$this->TextColor = $state['TextColor'];
$this->DrawColor = $state['DrawColor'];
$this->FillColor = $state['FillColor'];
$this->ColorFlag = $state['ColorFlag'];
$this->underline = $state['underline'];
$fontKey = $this->FontFamily . $this->FontStyle;
if ($fontKey) {
$this->CurrentFont =& $this->fonts[$fontKey];
} else {
unset($this->CurrentFont);
}
$this->currentTemplateId = null;
return $templateId;
}
/**
* Get the next template id.
*
* @return int
*/
protected function getNextTemplateId()
{
return $this->templateId++;
}
/* overwritten FPDF methods: */
/**
* @inheritdoc
*/
public function AddPage($orientation = '', $size = '', $rotation = 0)
{
if ($this->currentTemplateId !== null) {
throw new \BadMethodCallException('Pages cannot be added when writing to a template.');
}
parent::AddPage($orientation, $size, $rotation);
}
/**
* @inheritdoc
*/
public function Link($x, $y, $w, $h, $link)
{
if ($this->currentTemplateId !== null) {
throw new \BadMethodCallException('Links cannot be set when writing to a template.');
}
parent::Link($x, $y, $w, $h, $link);
}
/**
* @inheritdoc
*/
public function SetLink($link, $y = 0, $page = -1)
{
if ($this->currentTemplateId !== null) {
throw new \BadMethodCallException('Links cannot be set when writing to a template.');
}
return parent::SetLink($link, $y, $page);
}
/**
* @inheritdoc
*/
public function SetDrawColor($r, $g = null, $b = null)
{
parent::SetDrawColor($r, $g, $b);
if ($this->page === 0 && $this->currentTemplateId !== null) {
$this->_out($this->DrawColor);
}
}
/**
* @inheritdoc
*/
public function SetFillColor($r, $g = null, $b = null)
{
parent::SetFillColor($r, $g, $b);
if ($this->page === 0 && $this->currentTemplateId !== null) {
$this->_out($this->FillColor);
}
}
/**
* @inheritdoc
*/
public function SetLineWidth($width)
{
parent::SetLineWidth($width);
if ($this->page === 0 && $this->currentTemplateId !== null) {
$this->_out(\sprintf('%.2F w', $width * $this->k));
}
}
/**
* @inheritdoc
*/
public function SetFont($family, $style = '', $size = 0)
{
parent::SetFont($family, $style, $size);
if ($this->page === 0 && $this->currentTemplateId !== null) {
$this->_out(\sprintf('BT /F%d %.2F Tf ET', $this->CurrentFont['i'], $this->FontSizePt));
}
}
/**
* @inheritdoc
*/
public function SetFontSize($size)
{
parent::SetFontSize($size);
if ($this->page === 0 && $this->currentTemplateId !== null) {
$this->_out(\sprintf('BT /F%d %.2F Tf ET', $this->CurrentFont['i'], $this->FontSizePt));
}
}
protected function _putimages()
{
parent::_putimages();
foreach ($this->templates as $key => $template) {
$this->_newobj();
$this->templates[$key]['objectNumber'] = $this->n;
$this->_put('<</Type /XObject /Subtype /Form /FormType 1');
$this->_put(\sprintf('/BBox[0 0 %.2F %.2F]', $template['width'] * $this->k, $template['height'] * $this->k));
$this->_put('/Resources 2 0 R');
// default resources dictionary of FPDF
if ($this->compress) {
$buffer = \gzcompress($template['buffer']);
$this->_put('/Filter/FlateDecode');
} else {
$buffer = $template['buffer'];
}
$this->_put('/Length ' . \strlen($buffer));
if ($template['groupXObject']) {
$this->_put('/Group <</Type/Group/S/Transparency>>');
}
$this->_put('>>');
$this->_putstream($buffer);
$this->_put('endobj');
}
}
/**
* @inheritdoc
*/
protected function _putxobjectdict()
{
foreach ($this->templates as $key => $template) {
$this->_put('/' . $template['id'] . ' ' . $template['objectNumber'] . ' 0 R');
}
parent::_putxobjectdict();
}
/**
* @inheritdoc
*/
public function _out($s)
{
if ($this->currentTemplateId !== null) {
$this->templates[$this->currentTemplateId]['buffer'] .= $s . "\n";
} else {
parent::_out($s);
}
}
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\CrossReference\CrossReferenceException;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\PdfParserException;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfIndirectObject;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfNull;
/**
* This trait is used for the implementation of FPDI in FPDF and tFPDF.
*/
trait FpdfTrait
{
protected function _enddoc()
{
parent::_enddoc();
$this->cleanUp();
}
/**
* Draws an imported page or a template onto the page or another template.
*
* Give only one of the size parameters (width, height) to calculate the other one automatically in view to the
* aspect ratio.
*
* @param mixed $tpl The template id
* @param float|int|array $x The abscissa of upper-left corner. Alternatively you could use an assoc array
* with the keys "x", "y", "width", "height", "adjustPageSize".
* @param float|int $y The ordinate of upper-left corner.
* @param float|int|null $width The width.
* @param float|int|null $height The height.
* @param bool $adjustPageSize
* @return array The size
* @see Fpdi::getTemplateSize()
*/
public function useTemplate($tpl, $x = 0, $y = 0, $width = null, $height = null, $adjustPageSize = \false)
{
if (isset($this->importedPages[$tpl])) {
$size = $this->useImportedPage($tpl, $x, $y, $width, $height, $adjustPageSize);
if ($this->currentTemplateId !== null) {
$this->templates[$this->currentTemplateId]['resources']['templates']['importedPages'][$tpl] = $tpl;
}
return $size;
}
return parent::useTemplate($tpl, $x, $y, $width, $height, $adjustPageSize);
}
/**
* Get the size of an imported page or template.
*
* Give only one of the size parameters (width, height) to calculate the other one automatically in view to the
* aspect ratio.
*
* @param mixed $tpl The template id
* @param float|int|null $width The width.
* @param float|int|null $height The height.
* @return array|bool An array with following keys: width, height, 0 (=width), 1 (=height), orientation (L or P)
*/
public function getTemplateSize($tpl, $width = null, $height = null)
{
$size = parent::getTemplateSize($tpl, $width, $height);
if ($size === \false) {
return $this->getImportedPageSize($tpl, $width, $height);
}
return $size;
}
/**
* @throws CrossReferenceException
* @throws PdfParserException
*/
protected function _putimages()
{
$this->currentReaderId = null;
parent::_putimages();
foreach ($this->importedPages as $key => $pageData) {
$this->_newobj();
$this->importedPages[$key]['objectNumber'] = $this->n;
$this->currentReaderId = $pageData['readerId'];
$this->writePdfType($pageData['stream']);
$this->_put('endobj');
}
foreach (\array_keys($this->readers) as $readerId) {
$parser = $this->getPdfReader($readerId)->getParser();
$this->currentReaderId = $readerId;
while (($objectNumber = \array_pop($this->objectsToCopy[$readerId])) !== null) {
try {
$object = $parser->getIndirectObject($objectNumber);
} catch (CrossReferenceException $e) {
if ($e->getCode() === CrossReferenceException::OBJECT_NOT_FOUND) {
$object = PdfIndirectObject::create($objectNumber, 0, new PdfNull());
} else {
throw $e;
}
}
$this->writePdfType($object);
}
}
$this->currentReaderId = null;
}
/**
* @inheritdoc
*/
protected function _putxobjectdict()
{
foreach ($this->importedPages as $pageData) {
$this->_put('/' . $pageData['id'] . ' ' . $pageData['objectNumber'] . ' 0 R');
}
parent::_putxobjectdict();
}
/**
* @param int $n
* @return void
* @throws PdfParser\Type\PdfTypeException
*/
protected function _putlinks($n)
{
foreach ($this->PageLinks[$n] as $pl) {
$this->_newobj();
$rect = \sprintf('%.2F %.2F %.2F %.2F', $pl[0], $pl[1], $pl[0] + $pl[2], $pl[1] - $pl[3]);
$this->_put('<</Type /Annot /Subtype /Link /Rect [' . $rect . ']', \false);
if (\is_string($pl[4])) {
$this->_put('/A <</S /URI /URI ' . $this->_textstring($pl[4]) . '>>');
if (isset($pl['importedLink'])) {
$values = $pl['importedLink']['pdfObject']->value;
unset($values['P'], $values['NM'], $values['AP'], $values['AS'], $values['Type'], $values['Subtype'], $values['Rect'], $values['A'], $values['QuadPoints'], $values['Rotate'], $values['M'], $values['StructParent']);
foreach ($values as $name => $entry) {
$this->_put('/' . $name . ' ', \false);
$this->writePdfType($entry);
}
if (isset($pl['quadPoints'])) {
$s = '/QuadPoints[';
foreach ($pl['quadPoints'] as $value) {
$s .= \sprintf('%.2F ', $value);
}
$s .= ']';
$this->_put($s);
}
} else {
$this->_put('/Border [0 0 0]', \false);
}
$this->_put('>>');
} else {
$this->_put('/Border [0 0 0] ', \false);
$l = $this->links[$pl[4]];
if (isset($this->PageInfo[$l[0]]['size'])) {
$h = $this->PageInfo[$l[0]]['size'][1];
} else {
$h = $this->DefOrientation === 'P' ? $this->DefPageSize[1] * $this->k : $this->DefPageSize[0] * $this->k;
}
$this->_put(\sprintf('/Dest [%d 0 R /XYZ 0 %.2F null]>>', $this->PageInfo[$l[0]]['n'], $h - $l[1] * $this->k));
}
$this->_put('endobj');
}
}
protected function _put($s, $newLine = \true)
{
if ($newLine) {
$this->buffer .= $s . "\n";
} else {
$this->buffer .= $s;
}
}
}

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dependencies/setasign/fpdi/src/Fpdi.php vendored Normal file
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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\CrossReference\CrossReferenceException;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\PdfParserException;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfIndirectObject;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfNull;
/**
* Class Fpdi
*
* This class let you import pages of existing PDF documents into a reusable structure for FPDF.
*/
class Fpdi extends FpdfTpl
{
use FpdiTrait;
use FpdfTrait;
/**
* FPDI version
*
* @string
*/
const VERSION = '2.5.0';
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi;
/**
* Base exception class for the FPDI package.
*/
class FpdiException extends \Exception
{
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\CrossReference\CrossReferenceException;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Filter\FilterException;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\PdfParser;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\PdfParserException;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\StreamReader;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfArray;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfBoolean;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfDictionary;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfHexString;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfIndirectObject;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfIndirectObjectReference;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfName;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfNull;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfNumeric;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfStream;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfString;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfToken;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfType;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfTypeException;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfReader\DataStructure\Rectangle;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfReader\PageBoundaries;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfReader\PdfReader;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfReader\PdfReaderException;
use WP_Ultimo\Dependencies\setasign\FpdiPdfParser\PdfParser\PdfParser as FpdiPdfParser;
/**
* The FpdiTrait
*
* This trait offers the core functionalities of FPDI. By passing them to a trait we can reuse it with e.g. TCPDF in a
* very easy way.
*/
trait FpdiTrait
{
/**
* The pdf reader instances.
*
* @var PdfReader[]
*/
protected $readers = [];
/**
* Instances created internally.
*
* @var array
*/
protected $createdReaders = [];
/**
* The current reader id.
*
* @var string|null
*/
protected $currentReaderId;
/**
* Data of all imported pages.
*
* @var array
*/
protected $importedPages = [];
/**
* A map from object numbers of imported objects to new assigned object numbers by FPDF.
*
* @var array
*/
protected $objectMap = [];
/**
* An array with information about objects, which needs to be copied to the resulting document.
*
* @var array
*/
protected $objectsToCopy = [];
/**
* Release resources and file handles.
*
* This method is called internally when the document is created successfully. By default it only cleans up
* stream reader instances which were created internally.
*
* @param bool $allReaders
*/
public function cleanUp($allReaders = \false)
{
$readers = $allReaders ? \array_keys($this->readers) : $this->createdReaders;
foreach ($readers as $id) {
$this->readers[$id]->getParser()->getStreamReader()->cleanUp();
unset($this->readers[$id]);
}
$this->createdReaders = [];
}
/**
* Set the minimal PDF version.
*
* @param string $pdfVersion
*/
protected function setMinPdfVersion($pdfVersion)
{
if (\version_compare($pdfVersion, $this->PDFVersion, '>')) {
$this->PDFVersion = $pdfVersion;
}
}
/** @noinspection PhpUndefinedClassInspection */
/**
* Get a new pdf parser instance.
*
* @param StreamReader $streamReader
* @param array $parserParams Individual parameters passed to the parser instance.
* @return PdfParser|FpdiPdfParser
*/
protected function getPdfParserInstance(StreamReader $streamReader, array $parserParams = [])
{
// note: if you get an exception here - turn off errors/warnings on not found for your autoloader.
// psr-4 (https://www.php-fig.org/psr/psr-4/) says: Autoloader implementations MUST NOT throw
// exceptions, MUST NOT raise errors of any level, and SHOULD NOT return a value.
/** @noinspection PhpUndefinedClassInspection */
if (\class_exists(FpdiPdfParser::class)) {
/** @noinspection PhpUndefinedClassInspection */
return new FpdiPdfParser($streamReader, $parserParams);
}
return new PdfParser($streamReader);
}
/**
* Get an unique reader id by the $file parameter.
*
* @param string|resource|PdfReader|StreamReader $file An open file descriptor, a path to a file, a PdfReader
* instance or a StreamReader instance.
* @param array $parserParams Individual parameters passed to the parser instance.
* @return string
*/
protected function getPdfReaderId($file, array $parserParams = [])
{
if (\is_resource($file)) {
$id = (string) $file;
} elseif (\is_string($file)) {
$id = \realpath($file);
if ($id === \false) {
$id = $file;
}
} elseif (\is_object($file)) {
$id = \spl_object_hash($file);
} else {
throw new \InvalidArgumentException(\sprintf('Invalid type in $file parameter (%s)', \gettype($file)));
}
/** @noinspection OffsetOperationsInspection */
if (isset($this->readers[$id])) {
return $id;
}
if (\is_resource($file)) {
$streamReader = new StreamReader($file);
} elseif (\is_string($file)) {
$streamReader = StreamReader::createByFile($file);
$this->createdReaders[] = $id;
} else {
$streamReader = $file;
}
$reader = new PdfReader($this->getPdfParserInstance($streamReader, $parserParams));
/** @noinspection OffsetOperationsInspection */
$this->readers[$id] = $reader;
return $id;
}
/**
* Get a pdf reader instance by its id.
*
* @param string $id
* @return PdfReader
*/
protected function getPdfReader($id)
{
if (isset($this->readers[$id])) {
return $this->readers[$id];
}
throw new \InvalidArgumentException(\sprintf('No pdf reader with the given id (%s) exists.', $id));
}
/**
* Set the source PDF file.
*
* @param string|resource|StreamReader $file Path to the file or a stream resource or a StreamReader instance.
* @return int The page count of the PDF document.
* @throws PdfParserException
*/
public function setSourceFile($file)
{
return $this->setSourceFileWithParserParams($file);
}
/**
* Set the source PDF file with parameters which are passed to the parser instance.
*
* This method allows us to pass e.g. authentication information to the parser instance.
*
* @param string|resource|StreamReader $file Path to the file or a stream resource or a StreamReader instance.
* @param array $parserParams Individual parameters passed to the parser instance.
* @return int The page count of the PDF document.
* @throws CrossReferenceException
* @throws PdfParserException
* @throws PdfTypeException
*/
public function setSourceFileWithParserParams($file, array $parserParams = [])
{
$this->currentReaderId = $this->getPdfReaderId($file, $parserParams);
$this->objectsToCopy[$this->currentReaderId] = [];
$reader = $this->getPdfReader($this->currentReaderId);
$this->setMinPdfVersion($reader->getPdfVersion());
return $reader->getPageCount();
}
/**
* Imports a page.
*
* @param int $pageNumber The page number.
* @param string $box The page boundary to import. Default set to PageBoundaries::CROP_BOX.
* @param bool $groupXObject Define the form XObject as a group XObject to support transparency (if used).
* @param bool $importExternalLinks Define whether external links are imported or not.
* @return string A unique string identifying the imported page.
* @throws CrossReferenceException
* @throws FilterException
* @throws PdfParserException
* @throws PdfTypeException
* @throws PdfReaderException
* @see PageBoundaries
*/
public function importPage($pageNumber, $box = PageBoundaries::CROP_BOX, $groupXObject = \true, $importExternalLinks = \false)
{
if ($this->currentReaderId === null) {
throw new \BadMethodCallException('No reader initiated. Call setSourceFile() first.');
}
$pageId = $this->currentReaderId;
$pageNumber = (int) $pageNumber;
$pageId .= '|' . $pageNumber . '|' . ($groupXObject ? '1' : '0') . '|' . ($importExternalLinks ? '1' : '0');
// for backwards compatibility with FPDI 1
$box = \ltrim($box, '/');
if (!PageBoundaries::isValidName($box)) {
throw new \InvalidArgumentException(\sprintf('Box name is invalid: "%s"', $box));
}
$pageId .= '|' . $box;
if (isset($this->importedPages[$pageId])) {
return $pageId;
}
$reader = $this->getPdfReader($this->currentReaderId);
$page = $reader->getPage($pageNumber);
$bbox = $page->getBoundary($box);
if ($bbox === \false) {
throw new PdfReaderException(\sprintf("Page doesn't have a boundary box (%s).", $box), PdfReaderException::MISSING_DATA);
}
$dict = new PdfDictionary();
$dict->value['Type'] = PdfName::create('XObject');
$dict->value['Subtype'] = PdfName::create('Form');
$dict->value['FormType'] = PdfNumeric::create(1);
$dict->value['BBox'] = $bbox->toPdfArray();
if ($groupXObject) {
$this->setMinPdfVersion('1.4');
$dict->value['Group'] = PdfDictionary::create(['Type' => PdfName::create('Group'), 'S' => PdfName::create('Transparency')]);
}
$resources = $page->getAttribute('Resources');
if ($resources !== null) {
$dict->value['Resources'] = $resources;
}
list($width, $height) = $page->getWidthAndHeight($box);
$a = 1;
$b = 0;
$c = 0;
$d = 1;
$e = -$bbox->getLlx();
$f = -$bbox->getLly();
$rotation = $page->getRotation();
if ($rotation !== 0) {
$rotation *= -1;
$angle = $rotation * \M_PI / 180;
$a = \cos($angle);
$b = \sin($angle);
$c = -$b;
$d = $a;
switch ($rotation) {
case -90:
$e = -$bbox->getLly();
$f = $bbox->getUrx();
break;
case -180:
$e = $bbox->getUrx();
$f = $bbox->getUry();
break;
case -270:
$e = $bbox->getUry();
$f = -$bbox->getLlx();
break;
}
}
// we need to rotate/translate
if ($a != 1 || $b != 0 || $c != 0 || $d != 1 || $e != 0 || $f != 0) {
$dict->value['Matrix'] = PdfArray::create([PdfNumeric::create($a), PdfNumeric::create($b), PdfNumeric::create($c), PdfNumeric::create($d), PdfNumeric::create($e), PdfNumeric::create($f)]);
}
// try to use the existing content stream
$pageDict = $page->getPageDictionary();
try {
$contentsObject = PdfType::resolve(PdfDictionary::get($pageDict, 'Contents'), $reader->getParser(), \true);
$contents = PdfType::resolve($contentsObject, $reader->getParser());
// just copy the stream reference if it is only a single stream
if (($contentsIsStream = $contents instanceof PdfStream) || $contents instanceof PdfArray && \count($contents->value) === 1) {
if ($contentsIsStream) {
/**
* @var PdfIndirectObject $contentsObject
*/
$stream = $contents;
} else {
$stream = PdfType::resolve($contents->value[0], $reader->getParser());
}
$filter = PdfDictionary::get($stream->value, 'Filter');
if (!$filter instanceof PdfNull) {
$dict->value['Filter'] = $filter;
}
$length = PdfType::resolve(PdfDictionary::get($stream->value, 'Length'), $reader->getParser());
$dict->value['Length'] = $length;
$stream->value = $dict;
// otherwise extract it from the array and re-compress the whole stream
} else {
$streamContent = $this->compress ? \gzcompress($page->getContentStream()) : $page->getContentStream();
$dict->value['Length'] = PdfNumeric::create(\strlen($streamContent));
if ($this->compress) {
$dict->value['Filter'] = PdfName::create('FlateDecode');
}
$stream = PdfStream::create($dict, $streamContent);
}
// Catch faulty pages and use an empty content stream
} catch (FpdiException $e) {
$dict->value['Length'] = PdfNumeric::create(0);
$stream = PdfStream::create($dict, '');
}
$externalLinks = [];
if ($importExternalLinks) {
$externalLinks = $page->getExternalLinks($box);
}
$this->importedPages[$pageId] = ['objectNumber' => null, 'readerId' => $this->currentReaderId, 'id' => 'TPL' . $this->getNextTemplateId(), 'width' => $width / $this->k, 'height' => $height / $this->k, 'stream' => $stream, 'externalLinks' => $externalLinks];
return $pageId;
}
/**
* Draws an imported page onto the page.
*
* Give only one of the size parameters (width, height) to calculate the other one automatically in view to the
* aspect ratio.
*
* @param mixed $pageId The page id
* @param float|int|array $x The abscissa of upper-left corner. Alternatively you could use an assoc array
* with the keys "x", "y", "width", "height", "adjustPageSize".
* @param float|int $y The ordinate of upper-left corner.
* @param float|int|null $width The width.
* @param float|int|null $height The height.
* @param bool $adjustPageSize
* @return array The size.
* @see Fpdi::getTemplateSize()
*/
public function useImportedPage($pageId, $x = 0, $y = 0, $width = null, $height = null, $adjustPageSize = \false)
{
if (\is_array($x)) {
/** @noinspection OffsetOperationsInspection */
unset($x['pageId']);
\extract($x, \EXTR_IF_EXISTS);
/** @noinspection NotOptimalIfConditionsInspection */
if (\is_array($x)) {
$x = 0;
}
}
if (!isset($this->importedPages[$pageId])) {
throw new \InvalidArgumentException('Imported page does not exist!');
}
$importedPage = $this->importedPages[$pageId];
$originalSize = $this->getTemplateSize($pageId);
$newSize = $this->getTemplateSize($pageId, $width, $height);
if ($adjustPageSize) {
$this->setPageFormat($newSize, $newSize['orientation']);
}
$scaleX = $newSize['width'] / $originalSize['width'];
$scaleY = $newSize['height'] / $originalSize['height'];
$xPt = $x * $this->k;
$yPt = $y * $this->k;
$newHeightPt = $newSize['height'] * $this->k;
$this->_out(
// reset standard values, translate and scale
\sprintf('q 0 J 1 w 0 j 0 G 0 g %.4F 0 0 %.4F %.4F %.4F cm /%s Do Q', $scaleX, $scaleY, $xPt, $this->hPt - $yPt - $newHeightPt, $importedPage['id'])
);
if (\count($importedPage['externalLinks']) > 0) {
foreach ($importedPage['externalLinks'] as $externalLink) {
// mPDF uses also 'externalLinks' but doesn't come with a rect-value
if (!isset($externalLink['rect'])) {
continue;
}
/** @var Rectangle $rect */
$rect = $externalLink['rect'];
$this->Link($x + $rect->getLlx() / $this->k * $scaleX, $y + $newSize['height'] - ($rect->getLly() + $rect->getHeight()) / $this->k * $scaleY, $rect->getWidth() / $this->k * $scaleX, $rect->getHeight() / $this->k * $scaleY, $externalLink['uri']);
$this->adjustLastLink($externalLink, $xPt, $scaleX, $yPt, $newHeightPt, $scaleY, $importedPage);
}
}
return $newSize;
}
/**
* This method will add additional data to the last created link/annotation.
*
* It is separated because TCPDF uses its own logic to handle link annotations.
* This method is overwritten in the TCPDF implementation.
*
* @param array $externalLink
* @param float|int $xPt
* @param float|int $scaleX
* @param float|int $yPt
* @param float|int $newHeightPt
* @param float|int $scaleY
* @param array $importedPage
* @return void
*/
protected function adjustLastLink($externalLink, $xPt, $scaleX, $yPt, $newHeightPt, $scaleY, $importedPage)
{
// let's create a relation of the newly created link to the data of the external link
$lastLink = \count($this->PageLinks[$this->page]);
$this->PageLinks[$this->page][$lastLink - 1]['importedLink'] = $externalLink;
if (\count($externalLink['quadPoints']) > 0) {
$quadPoints = [];
for ($i = 0, $n = \count($externalLink['quadPoints']); $i < $n; $i += 2) {
$quadPoints[] = $xPt + $externalLink['quadPoints'][$i] * $scaleX;
$quadPoints[] = $this->hPt - $yPt - $newHeightPt + $externalLink['quadPoints'][$i + 1] * $scaleY;
}
$this->PageLinks[$this->page][$lastLink - 1]['quadPoints'] = $quadPoints;
}
}
/**
* Get the size of an imported page.
*
* Give only one of the size parameters (width, height) to calculate the other one automatically in view to the
* aspect ratio.
*
* @param mixed $tpl The template id
* @param float|int|null $width The width.
* @param float|int|null $height The height.
* @return array|bool An array with following keys: width, height, 0 (=width), 1 (=height), orientation (L or P)
*/
public function getImportedPageSize($tpl, $width = null, $height = null)
{
if (isset($this->importedPages[$tpl])) {
$importedPage = $this->importedPages[$tpl];
if ($width === null && $height === null) {
$width = $importedPage['width'];
$height = $importedPage['height'];
} elseif ($width === null) {
$width = $height * $importedPage['width'] / $importedPage['height'];
}
if ($height === null) {
$height = $width * $importedPage['height'] / $importedPage['width'];
}
if ($height <= 0.0 || $width <= 0.0) {
throw new \InvalidArgumentException('Width or height parameter needs to be larger than zero.');
}
return ['width' => $width, 'height' => $height, 0 => $width, 1 => $height, 'orientation' => $width > $height ? 'L' : 'P'];
}
return \false;
}
/**
* Writes a PdfType object to the resulting buffer.
*
* @param PdfType $value
* @throws PdfTypeException
*/
protected function writePdfType(PdfType $value)
{
if ($value instanceof PdfNumeric) {
if (\is_int($value->value)) {
$this->_put($value->value . ' ', \false);
} else {
$this->_put(\rtrim(\rtrim(\sprintf('%.5F', $value->value), '0'), '.') . ' ', \false);
}
} elseif ($value instanceof PdfName) {
$this->_put('/' . $value->value . ' ', \false);
} elseif ($value instanceof PdfString) {
$this->_put('(' . $value->value . ')', \false);
} elseif ($value instanceof PdfHexString) {
$this->_put('<' . $value->value . '>');
} elseif ($value instanceof PdfBoolean) {
$this->_put($value->value ? 'true ' : 'false ', \false);
} elseif ($value instanceof PdfArray) {
$this->_put('[', \false);
foreach ($value->value as $entry) {
$this->writePdfType($entry);
}
$this->_put(']');
} elseif ($value instanceof PdfDictionary) {
$this->_put('<<', \false);
foreach ($value->value as $name => $entry) {
$this->_put('/' . $name . ' ', \false);
$this->writePdfType($entry);
}
$this->_put('>>');
} elseif ($value instanceof PdfToken) {
$this->_put($value->value);
} elseif ($value instanceof PdfNull) {
$this->_put('null ');
} elseif ($value instanceof PdfStream) {
/**
* @var $value PdfStream
*/
$this->writePdfType($value->value);
$this->_put('stream');
$this->_put($value->getStream());
$this->_put('endstream');
} elseif ($value instanceof PdfIndirectObjectReference) {
if (!isset($this->objectMap[$this->currentReaderId])) {
$this->objectMap[$this->currentReaderId] = [];
}
if (!isset($this->objectMap[$this->currentReaderId][$value->value])) {
$this->objectMap[$this->currentReaderId][$value->value] = ++$this->n;
$this->objectsToCopy[$this->currentReaderId][] = $value->value;
}
$this->_put($this->objectMap[$this->currentReaderId][$value->value] . ' 0 R ', \false);
} elseif ($value instanceof PdfIndirectObject) {
/**
* @var PdfIndirectObject $value
*/
$n = $this->objectMap[$this->currentReaderId][$value->objectNumber];
$this->_newobj($n);
$this->writePdfType($value->value);
$this->_put('endobj');
}
}
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi;
use WP_Ultimo\Dependencies\setasign\Fpdi\Math\Matrix;
use WP_Ultimo\Dependencies\setasign\Fpdi\Math\Vector;
/**
* A simple graphic state class which holds the current transformation matrix.
*/
class GraphicsState
{
/**
* @var Matrix
*/
protected $ctm;
/**
* @param Matrix|null $ctm
*/
public function __construct(Matrix $ctm = null)
{
if ($ctm === null) {
$ctm = new Matrix();
}
$this->ctm = $ctm;
}
/**
* @param Matrix $matrix
* @return $this
*/
public function add(Matrix $matrix)
{
$this->ctm = $matrix->multiply($this->ctm);
return $this;
}
/**
* @param int|float $x
* @param int|float $y
* @param int|float $angle
* @return $this
*/
public function rotate($x, $y, $angle)
{
if (\abs($angle) < 1.0E-5) {
return $this;
}
$angle = \deg2rad($angle);
$c = \cos($angle);
$s = \sin($angle);
$this->add(new Matrix($c, $s, -$s, $c, $x, $y));
return $this->translate(-$x, -$y);
}
/**
* @param int|float $shiftX
* @param int|float $shiftY
* @return $this
*/
public function translate($shiftX, $shiftY)
{
return $this->add(new Matrix(1, 0, 0, 1, $shiftX, $shiftY));
}
/**
* @param int|float $scaleX
* @param int|float $scaleY
* @return $this
*/
public function scale($scaleX, $scaleY)
{
return $this->add(new Matrix($scaleX, 0, 0, $scaleY, 0, 0));
}
/**
* @param Vector $vector
* @return Vector
*/
public function toUserSpace(Vector $vector)
{
return $vector->multiplyWithMatrix($this->ctm);
}
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi\Math;
/**
* A simple 2D-Matrix class
*/
class Matrix
{
/**
* @var float
*/
protected $a;
/**
* @var float
*/
protected $b;
/**
* @var float
*/
protected $c;
/**
* @var float
*/
protected $d;
/**
* @var float
*/
protected $e;
/**
* @var float
*/
protected $f;
/**
* @param int|float $a
* @param int|float $b
* @param int|float $c
* @param int|float $d
* @param int|float $e
* @param int|float $f
*/
public function __construct($a = 1, $b = 0, $c = 0, $d = 1, $e = 0, $f = 0)
{
$this->a = (float) $a;
$this->b = (float) $b;
$this->c = (float) $c;
$this->d = (float) $d;
$this->e = (float) $e;
$this->f = (float) $f;
}
/**
* @return float[]
*/
public function getValues()
{
return [$this->a, $this->b, $this->c, $this->d, $this->e, $this->f];
}
/**
* @param Matrix $by
* @return Matrix
*/
public function multiply(self $by)
{
$a = $this->a * $by->a + $this->b * $by->c;
$b = $this->a * $by->b + $this->b * $by->d;
$c = $this->c * $by->a + $this->d * $by->c;
$d = $this->c * $by->b + $this->d * $by->d;
$e = $this->e * $by->a + $this->f * $by->c + $by->e;
$f = $this->e * $by->b + $this->f * $by->d + $by->f;
return new self($a, $b, $c, $d, $e, $f);
}
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi\Math;
/**
* A simple 2D-Vector class
*/
class Vector
{
/**
* @var float
*/
protected $x;
/**
* @var float
*/
protected $y;
/**
* @param int|float $x
* @param int|float $y
*/
public function __construct($x = 0.0, $y = 0.0)
{
$this->x = (float) $x;
$this->y = (float) $y;
}
/**
* @return float
*/
public function getX()
{
return $this->x;
}
/**
* @return float
*/
public function getY()
{
return $this->y;
}
/**
* @param Matrix $matrix
* @return Vector
*/
public function multiplyWithMatrix(Matrix $matrix)
{
list($a, $b, $c, $d, $e, $f) = $matrix->getValues();
$x = $a * $this->x + $c * $this->y + $e;
$y = $b * $this->x + $d * $this->y + $f;
return new self($x, $y);
}
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\CrossReference;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\PdfParser;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfDictionary;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfToken;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfTypeException;
/**
* Abstract class for cross-reference reader classes.
*/
abstract class AbstractReader
{
/**
* @var PdfParser
*/
protected $parser;
/**
* @var PdfDictionary
*/
protected $trailer;
/**
* AbstractReader constructor.
*
* @param PdfParser $parser
* @throws CrossReferenceException
* @throws PdfTypeException
*/
public function __construct(PdfParser $parser)
{
$this->parser = $parser;
$this->readTrailer();
}
/**
* Get the trailer dictionary.
*
* @return PdfDictionary
*/
public function getTrailer()
{
return $this->trailer;
}
/**
* Read the trailer dictionary.
*
* @throws CrossReferenceException
* @throws PdfTypeException
*/
protected function readTrailer()
{
try {
$trailerKeyword = $this->parser->readValue(null, PdfToken::class);
if ($trailerKeyword->value !== 'trailer') {
throw new CrossReferenceException(\sprintf('Unexpected end of cross reference. "trailer"-keyword expected, got: %s.', $trailerKeyword->value), CrossReferenceException::UNEXPECTED_END);
}
} catch (PdfTypeException $e) {
throw new CrossReferenceException('Unexpected end of cross reference. "trailer"-keyword expected, got an invalid object type.', CrossReferenceException::UNEXPECTED_END, $e);
}
try {
$trailer = $this->parser->readValue(null, PdfDictionary::class);
} catch (PdfTypeException $e) {
throw new CrossReferenceException('Unexpected end of cross reference. Trailer not found.', CrossReferenceException::UNEXPECTED_END, $e);
}
$this->trailer = $trailer;
}
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\CrossReference;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\PdfParser;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfDictionary;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfIndirectObject;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfNumeric;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfStream;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfToken;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfTypeException;
/**
* Class CrossReference
*
* This class processes the standard cross reference of a PDF document.
*/
class CrossReference
{
/**
* The byte length in which the "startxref" keyword should be searched.
*
* @var int
*/
public static $trailerSearchLength = 5500;
/**
* @var int
*/
protected $fileHeaderOffset = 0;
/**
* @var PdfParser
*/
protected $parser;
/**
* @var ReaderInterface[]
*/
protected $readers = [];
/**
* CrossReference constructor.
*
* @param PdfParser $parser
* @throws CrossReferenceException
* @throws PdfTypeException
*/
public function __construct(PdfParser $parser, $fileHeaderOffset = 0)
{
$this->parser = $parser;
$this->fileHeaderOffset = $fileHeaderOffset;
$offset = $this->findStartXref();
$reader = null;
/** @noinspection TypeUnsafeComparisonInspection */
while ($offset != \false) {
// By doing an unsafe comparsion we ignore faulty references to byte offset 0
try {
$reader = $this->readXref($offset + $this->fileHeaderOffset);
} catch (CrossReferenceException $e) {
// sometimes the file header offset is part of the byte offsets, so let's retry by resetting it to zero.
if ($e->getCode() === CrossReferenceException::INVALID_DATA && $this->fileHeaderOffset !== 0) {
$this->fileHeaderOffset = 0;
$reader = $this->readXref($offset + $this->fileHeaderOffset);
} else {
throw $e;
}
}
$trailer = $reader->getTrailer();
$this->checkForEncryption($trailer);
$this->readers[] = $reader;
if (isset($trailer->value['Prev'])) {
$offset = $trailer->value['Prev']->value;
} else {
$offset = \false;
}
}
// fix faulty sub-section header
if ($reader instanceof FixedReader) {
/**
* @var FixedReader $reader
*/
$reader->fixFaultySubSectionShift();
}
if ($reader === null) {
throw new CrossReferenceException('No cross-reference found.', CrossReferenceException::NO_XREF_FOUND);
}
}
/**
* Get the size of the cross reference.
*
* @return integer
*/
public function getSize()
{
return $this->getTrailer()->value['Size']->value;
}
/**
* Get the trailer dictionary.
*
* @return PdfDictionary
*/
public function getTrailer()
{
return $this->readers[0]->getTrailer();
}
/**
* Get the cross reference readser instances.
*
* @return ReaderInterface[]
*/
public function getReaders()
{
return $this->readers;
}
/**
* Get the offset by an object number.
*
* @param int $objectNumber
* @return integer|bool
*/
public function getOffsetFor($objectNumber)
{
foreach ($this->getReaders() as $reader) {
$offset = $reader->getOffsetFor($objectNumber);
if ($offset !== \false) {
return $offset;
}
}
return \false;
}
/**
* Get an indirect object by its object number.
*
* @param int $objectNumber
* @return PdfIndirectObject
* @throws CrossReferenceException
*/
public function getIndirectObject($objectNumber)
{
$offset = $this->getOffsetFor($objectNumber);
if ($offset === \false) {
throw new CrossReferenceException(\sprintf('Object (id:%s) not found.', $objectNumber), CrossReferenceException::OBJECT_NOT_FOUND);
}
$parser = $this->parser;
$parser->getTokenizer()->clearStack();
$parser->getStreamReader()->reset($offset + $this->fileHeaderOffset);
try {
/** @var PdfIndirectObject $object */
$object = $parser->readValue(null, PdfIndirectObject::class);
} catch (PdfTypeException $e) {
throw new CrossReferenceException(\sprintf('Object (id:%s) not found at location (%s).', $objectNumber, $offset), CrossReferenceException::OBJECT_NOT_FOUND, $e);
}
if ($object->objectNumber !== $objectNumber) {
throw new CrossReferenceException(\sprintf('Wrong object found, got %s while %s was expected.', $object->objectNumber, $objectNumber), CrossReferenceException::OBJECT_NOT_FOUND);
}
return $object;
}
/**
* Read the cross-reference table at a given offset.
*
* Internally the method will try to evaluate the best reader for this cross-reference.
*
* @param int $offset
* @return ReaderInterface
* @throws CrossReferenceException
* @throws PdfTypeException
*/
protected function readXref($offset)
{
$this->parser->getStreamReader()->reset($offset);
$this->parser->getTokenizer()->clearStack();
$initValue = $this->parser->readValue();
return $this->initReaderInstance($initValue);
}
/**
* Get a cross-reference reader instance.
*
* @param PdfToken|PdfIndirectObject $initValue
* @return ReaderInterface|bool
* @throws CrossReferenceException
* @throws PdfTypeException
*/
protected function initReaderInstance($initValue)
{
$position = $this->parser->getStreamReader()->getPosition() + $this->parser->getStreamReader()->getOffset() + $this->fileHeaderOffset;
if ($initValue instanceof PdfToken && $initValue->value === 'xref') {
try {
return new FixedReader($this->parser);
} catch (CrossReferenceException $e) {
$this->parser->getStreamReader()->reset($position);
$this->parser->getTokenizer()->clearStack();
return new LineReader($this->parser);
}
}
if ($initValue instanceof PdfIndirectObject) {
try {
$stream = PdfStream::ensure($initValue->value);
} catch (PdfTypeException $e) {
throw new CrossReferenceException('Invalid object type at xref reference offset.', CrossReferenceException::INVALID_DATA, $e);
}
$type = PdfDictionary::get($stream->value, 'Type');
if ($type->value !== 'XRef') {
throw new CrossReferenceException('The xref position points to an incorrect object type.', CrossReferenceException::INVALID_DATA);
}
$this->checkForEncryption($stream->value);
throw new CrossReferenceException('This PDF document probably uses a compression technique which is not supported by the ' . 'free parser shipped with FPDI. (See https://www.setasign.com/fpdi-pdf-parser for more details)', CrossReferenceException::COMPRESSED_XREF);
}
throw new CrossReferenceException('The xref position points to an incorrect object type.', CrossReferenceException::INVALID_DATA);
}
/**
* Check for encryption.
*
* @param PdfDictionary $dictionary
* @throws CrossReferenceException
*/
protected function checkForEncryption(PdfDictionary $dictionary)
{
if (isset($dictionary->value['Encrypt'])) {
throw new CrossReferenceException('This PDF document is encrypted and cannot be processed with FPDI.', CrossReferenceException::ENCRYPTED);
}
}
/**
* Find the start position for the first cross-reference.
*
* @return int The byte-offset position of the first cross-reference.
* @throws CrossReferenceException
*/
protected function findStartXref()
{
$reader = $this->parser->getStreamReader();
$reader->reset(-self::$trailerSearchLength, self::$trailerSearchLength);
$buffer = $reader->getBuffer(\false);
$pos = \strrpos($buffer, 'startxref');
$addOffset = 9;
if ($pos === \false) {
// Some corrupted documents uses startref, instead of startxref
$pos = \strrpos($buffer, 'startref');
if ($pos === \false) {
throw new CrossReferenceException('Unable to find pointer to xref table', CrossReferenceException::NO_STARTXREF_FOUND);
}
$addOffset = 8;
}
$reader->setOffset($pos + $addOffset);
try {
$value = $this->parser->readValue(null, PdfNumeric::class);
} catch (PdfTypeException $e) {
throw new CrossReferenceException('Invalid data after startxref keyword.', CrossReferenceException::INVALID_DATA, $e);
}
return $value->value;
}
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\CrossReference;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\PdfParserException;
/**
* Exception used by the CrossReference and Reader classes.
*/
class CrossReferenceException extends PdfParserException
{
/**
* @var int
*/
const INVALID_DATA = 0x101;
/**
* @var int
*/
const XREF_MISSING = 0x102;
/**
* @var int
*/
const ENTRIES_TOO_LARGE = 0x103;
/**
* @var int
*/
const ENTRIES_TOO_SHORT = 0x104;
/**
* @var int
*/
const NO_ENTRIES = 0x105;
/**
* @var int
*/
const NO_TRAILER_FOUND = 0x106;
/**
* @var int
*/
const NO_STARTXREF_FOUND = 0x107;
/**
* @var int
*/
const NO_XREF_FOUND = 0x108;
/**
* @var int
*/
const UNEXPECTED_END = 0x109;
/**
* @var int
*/
const OBJECT_NOT_FOUND = 0x10a;
/**
* @var int
*/
const COMPRESSED_XREF = 0x10b;
/**
* @var int
*/
const ENCRYPTED = 0x10c;
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\CrossReference;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\PdfParser;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\StreamReader;
/**
* Class FixedReader
*
* This reader allows a very less overhead parsing of single entries of the cross-reference, because the main entries
* are only read when needed and not in a single run.
*/
class FixedReader extends AbstractReader implements ReaderInterface
{
/**
* @var StreamReader
*/
protected $reader;
/**
* Data of subsections.
*
* @var array
*/
protected $subSections;
/**
* FixedReader constructor.
*
* @param PdfParser $parser
* @throws CrossReferenceException
*/
public function __construct(PdfParser $parser)
{
$this->reader = $parser->getStreamReader();
$this->read();
parent::__construct($parser);
}
/**
* Get all subsection data.
*
* @return array
*/
public function getSubSections()
{
return $this->subSections;
}
/**
* @inheritdoc
* @return int|false
*/
public function getOffsetFor($objectNumber)
{
foreach ($this->subSections as $offset => list($startObject, $objectCount)) {
/**
* @var int $startObject
* @var int $objectCount
*/
if ($objectNumber >= $startObject && $objectNumber < $startObject + $objectCount) {
$position = $offset + 20 * ($objectNumber - $startObject);
$this->reader->ensure($position, 20);
$line = $this->reader->readBytes(20);
if ($line[17] === 'f') {
return \false;
}
return (int) \substr($line, 0, 10);
}
}
return \false;
}
/**
* Read the cross-reference.
*
* This reader will only read the subsections in this method. The offsets were resolved individually by this
* information.
*
* @throws CrossReferenceException
*/
protected function read()
{
$subSections = [];
$startObject = $entryCount = $lastLineStart = null;
$validityChecked = \false;
while (($line = $this->reader->readLine(20)) !== \false) {
if (\strpos($line, 'trailer') !== \false) {
$this->reader->reset($lastLineStart);
break;
}
// jump over if line content doesn't match the expected string
if (\sscanf($line, '%d %d', $startObject, $entryCount) !== 2) {
continue;
}
$oldPosition = $this->reader->getPosition();
$position = $oldPosition + $this->reader->getOffset();
if (!$validityChecked && $entryCount > 0) {
$nextLine = $this->reader->readBytes(21);
/* Check the next line for maximum of 20 bytes and not longer
* By catching 21 bytes and trimming the length should be still 21.
*/
if (\strlen(\trim($nextLine)) !== 21) {
throw new CrossReferenceException('Cross-reference entries are larger than 20 bytes.', CrossReferenceException::ENTRIES_TOO_LARGE);
}
/* Check for less than 20 bytes: cut the line to 20 bytes and trim; have to result in exactly 18 bytes.
* If it would have less bytes the substring would get the first bytes of the next line which would
* evaluate to a 20 bytes long string after trimming.
*/
if (\strlen(\trim(\substr($nextLine, 0, 20))) !== 18) {
throw new CrossReferenceException('Cross-reference entries are less than 20 bytes.', CrossReferenceException::ENTRIES_TOO_SHORT);
}
$validityChecked = \true;
}
$subSections[$position] = [$startObject, $entryCount];
$lastLineStart = $position + $entryCount * 20;
$this->reader->reset($lastLineStart);
}
// reset after the last correct parsed line
$this->reader->reset($lastLineStart);
if (\count($subSections) === 0) {
throw new CrossReferenceException('No entries found in cross-reference.', CrossReferenceException::NO_ENTRIES);
}
$this->subSections = $subSections;
}
/**
* Fixes an invalid object number shift.
*
* This method can be used to repair documents with an invalid subsection header:
*
* <code>
* xref
* 1 7
* 0000000000 65535 f
* 0000000009 00000 n
* 0000412075 00000 n
* 0000412172 00000 n
* 0000412359 00000 n
* 0000412417 00000 n
* 0000412468 00000 n
* </code>
*
* It shall only be called on the first table.
*
* @return bool
*/
public function fixFaultySubSectionShift()
{
$subSections = $this->getSubSections();
if (\count($subSections) > 1) {
return \false;
}
$subSection = \current($subSections);
if ($subSection[0] != 1) {
return \false;
}
if ($this->getOffsetFor(1) === \false) {
foreach ($subSections as $offset => list($startObject, $objectCount)) {
$this->subSections[$offset] = [$startObject - 1, $objectCount];
}
return \true;
}
return \false;
}
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\CrossReference;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\PdfParser;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\StreamReader;
/**
* Class LineReader
*
* This reader class read all cross-reference entries in a single run.
* It supports reading cross-references with e.g. invalid data (e.g. entries with a length < or > 20 bytes).
*/
class LineReader extends AbstractReader implements ReaderInterface
{
/**
* The object offsets.
*
* @var array
*/
protected $offsets;
/**
* LineReader constructor.
*
* @param PdfParser $parser
* @throws CrossReferenceException
*/
public function __construct(PdfParser $parser)
{
$this->read($this->extract($parser->getStreamReader()));
parent::__construct($parser);
}
/**
* @inheritdoc
* @return int|false
*/
public function getOffsetFor($objectNumber)
{
if (isset($this->offsets[$objectNumber])) {
return $this->offsets[$objectNumber][0];
}
return \false;
}
/**
* Get all found offsets.
*
* @return array
*/
public function getOffsets()
{
return $this->offsets;
}
/**
* Extracts the cross reference data from the stream reader.
*
* @param StreamReader $reader
* @return string
* @throws CrossReferenceException
*/
protected function extract(StreamReader $reader)
{
$bytesPerCycle = 100;
$reader->reset(null, $bytesPerCycle);
$cycles = 0;
do {
// 6 = length of "trailer" - 1
$pos = \max($bytesPerCycle * $cycles - 6, 0);
$trailerPos = \strpos($reader->getBuffer(\false), 'trailer', $pos);
$cycles++;
} while ($trailerPos === \false && $reader->increaseLength($bytesPerCycle) !== \false);
if ($trailerPos === \false) {
throw new CrossReferenceException('Unexpected end of cross reference. "trailer"-keyword not found.', CrossReferenceException::NO_TRAILER_FOUND);
}
$xrefContent = \substr($reader->getBuffer(\false), 0, $trailerPos);
$reader->reset($reader->getPosition() + $trailerPos);
return $xrefContent;
}
/**
* Read the cross-reference entries.
*
* @param string $xrefContent
* @throws CrossReferenceException
*/
protected function read($xrefContent)
{
// get eol markers in the first 100 bytes
\preg_match_all("/(\r\n|\n|\r)/", \substr($xrefContent, 0, 100), $m);
if (\count($m[0]) === 0) {
throw new CrossReferenceException('No data found in cross-reference.', CrossReferenceException::INVALID_DATA);
}
// count(array_count_values()) is faster then count(array_unique())
// @see https://github.com/symfony/symfony/pull/23731
// can be reverted for php7.2
$differentLineEndings = \count(\array_count_values($m[0]));
if ($differentLineEndings > 1) {
$lines = \preg_split("/(\r\n|\n|\r)/", $xrefContent, -1, \PREG_SPLIT_NO_EMPTY);
} else {
$lines = \explode($m[0][0], $xrefContent);
}
unset($differentLineEndings, $m);
if (!\is_array($lines)) {
$this->offsets = [];
return;
}
$start = 0;
$offsets = [];
// trim all lines and remove empty lines
$lines = \array_filter(\array_map('\\trim', $lines));
foreach ($lines as $line) {
$pieces = \explode(' ', $line);
switch (\count($pieces)) {
case 2:
$start = (int) $pieces[0];
break;
case 3:
switch ($pieces[2]) {
case 'n':
$offsets[$start] = [(int) $pieces[0], (int) $pieces[1]];
$start++;
break 2;
case 'f':
$start++;
break 2;
}
// fall through if pieces doesn't match
default:
throw new CrossReferenceException(\sprintf('Unexpected data in xref table (%s)', \implode(' ', $pieces)), CrossReferenceException::INVALID_DATA);
}
}
$this->offsets = $offsets;
}
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\CrossReference;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfDictionary;
/**
* ReaderInterface for cross-reference readers.
*/
interface ReaderInterface
{
/**
* Get an offset by an object number.
*
* @param int $objectNumber
* @return int|bool False if the offset was not found.
*/
public function getOffsetFor($objectNumber);
/**
* Get the trailer related to this cross reference.
*
* @return PdfDictionary
*/
public function getTrailer();
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Filter;
/**
* Class for handling ASCII base-85 encoded data
*/
class Ascii85 implements FilterInterface
{
/**
* Decode ASCII85 encoded string.
*
* @param string $data The input string
* @return string
* @throws Ascii85Exception
*/
public function decode($data)
{
$out = '';
$state = 0;
$chn = null;
$data = \preg_replace('/\\s/', '', $data);
$l = \strlen($data);
/** @noinspection ForeachInvariantsInspection */
for ($k = 0; $k < $l; ++$k) {
$ch = \ord($data[$k]) & 0xff;
//Start <~
if ($k === 0 && $ch === 60 && isset($data[$k + 1]) && (\ord($data[$k + 1]) & 0xff) === 126) {
$k++;
continue;
}
//End ~>
if ($ch === 126 && isset($data[$k + 1]) && (\ord($data[$k + 1]) & 0xff) === 62) {
break;
}
if ($ch === 122 && $state === 0) {
$out .= \chr(0) . \chr(0) . \chr(0) . \chr(0);
continue;
}
if ($ch < 33 || $ch > 117) {
throw new Ascii85Exception('Illegal character found while ASCII85 decode.', Ascii85Exception::ILLEGAL_CHAR_FOUND);
}
$chn[$state] = $ch - 33;
/* ! */
$state++;
if ($state === 5) {
$state = 0;
$r = 0;
for ($j = 0; $j < 5; ++$j) {
/** @noinspection UnnecessaryCastingInspection */
$r = (int) ($r * 85 + $chn[$j]);
}
$out .= \chr($r >> 24) . \chr($r >> 16) . \chr($r >> 8) . \chr($r);
}
}
if ($state === 1) {
throw new Ascii85Exception('Illegal length while ASCII85 decode.', Ascii85Exception::ILLEGAL_LENGTH);
}
if ($state === 2) {
$r = $chn[0] * 85 * 85 * 85 * 85 + ($chn[1] + 1) * 85 * 85 * 85;
$out .= \chr($r >> 24);
} elseif ($state === 3) {
$r = $chn[0] * 85 * 85 * 85 * 85 + $chn[1] * 85 * 85 * 85 + ($chn[2] + 1) * 85 * 85;
$out .= \chr($r >> 24);
$out .= \chr($r >> 16);
} elseif ($state === 4) {
$r = $chn[0] * 85 * 85 * 85 * 85 + $chn[1] * 85 * 85 * 85 + $chn[2] * 85 * 85 + ($chn[3] + 1) * 85;
$out .= \chr($r >> 24);
$out .= \chr($r >> 16);
$out .= \chr($r >> 8);
}
return $out;
}
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Filter;
/**
* Exception for Ascii85 filter class
*/
class Ascii85Exception extends FilterException
{
/**
* @var integer
*/
const ILLEGAL_CHAR_FOUND = 0x301;
/**
* @var integer
*/
const ILLEGAL_LENGTH = 0x302;
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Filter;
/**
* Class for handling ASCII hexadecimal encoded data
*/
class AsciiHex implements FilterInterface
{
/**
* Converts an ASCII hexadecimal encoded string into its binary representation.
*
* @param string $data The input string
* @return string
*/
public function decode($data)
{
$data = \preg_replace('/[^0-9A-Fa-f]/', '', \rtrim($data, '>'));
if (\strlen($data) % 2 === 1) {
$data .= '0';
}
return \pack('H*', $data);
}
/**
* Converts a string into ASCII hexadecimal representation.
*
* @param string $data The input string
* @param boolean $leaveEOD
* @return string
*/
public function encode($data, $leaveEOD = \false)
{
$t = \unpack('H*', $data);
return \current($t) . ($leaveEOD ? '' : '>');
}
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Filter;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\PdfParserException;
/**
* Exception for filters
*/
class FilterException extends PdfParserException
{
const UNSUPPORTED_FILTER = 0x201;
const NOT_IMPLEMENTED = 0x202;
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Filter;
/**
* Interface for filters
*/
interface FilterInterface
{
/**
* Decode a string.
*
* @param string $data The input string
* @return string
*/
public function decode($data);
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Filter;
/**
* Class for handling zlib/deflate encoded data
*/
class Flate implements FilterInterface
{
/**
* Checks whether the zlib extension is loaded.
*
* Used for testing purpose.
*
* @return boolean
* @internal
*/
protected function extensionLoaded()
{
return \extension_loaded('zlib');
}
/**
* Decodes a flate compressed string.
*
* @param string|false $data The input string
* @return string
* @throws FlateException
*/
public function decode($data)
{
if ($this->extensionLoaded()) {
$oData = $data;
$data = $data !== '' ? @\gzuncompress($data) : '';
if ($data === \false) {
// let's try if the checksum is CRC32
$fh = \fopen('php://temp', 'w+b');
\fwrite($fh, "\x1f\x8b\x08\x00\x00\x00\x00\x00" . $oData);
// "window" == 31 -> 16 + (8 to 15): Uses the low 4 bits of the value as the window size logarithm.
// The input must include a gzip header and trailer (via 16).
\stream_filter_append($fh, 'zlib.inflate', \STREAM_FILTER_READ, ['window' => 31]);
\fseek($fh, 0);
$data = @\stream_get_contents($fh);
\fclose($fh);
if ($data) {
return $data;
}
// Try this fallback
$tries = 0;
$oDataLen = \strlen($oData);
while ($tries < 6 && ($data === \false || \strlen($data) < $oDataLen - $tries - 1)) {
$data = @\gzinflate(\substr($oData, $tries));
$tries++;
}
// let's use this fallback only if the $data is longer than the original data
if (\strlen($data) > $oDataLen - $tries - 1) {
return $data;
}
if (!$data) {
throw new FlateException('Error while decompressing stream.', FlateException::DECOMPRESS_ERROR);
}
}
} else {
throw new FlateException('To handle FlateDecode filter, enable zlib support in PHP.', FlateException::NO_ZLIB);
}
return $data;
}
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Filter;
/**
* Exception for flate filter class
*/
class FlateException extends FilterException
{
/**
* @var integer
*/
const NO_ZLIB = 0x401;
/**
* @var integer
*/
const DECOMPRESS_ERROR = 0x402;
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Filter;
/**
* Class for handling LZW encoded data
*/
class Lzw implements FilterInterface
{
/**
* @var null|string
*/
protected $data;
/**
* @var array
*/
protected $sTable = [];
/**
* @var int
*/
protected $dataLength = 0;
/**
* @var int
*/
protected $tIdx;
/**
* @var int
*/
protected $bitsToGet = 9;
/**
* @var int
*/
protected $bytePointer;
/**
* @var int
*/
protected $nextData = 0;
/**
* @var int
*/
protected $nextBits = 0;
/**
* @var array
*/
protected $andTable = [511, 1023, 2047, 4095];
/**
* Method to decode LZW compressed data.
*
* @param string $data The compressed data
* @return string The uncompressed data
* @throws LzwException
*/
public function decode($data)
{
if ($data[0] === "\x00" && $data[1] === "\x01") {
throw new LzwException('LZW flavour not supported.', LzwException::LZW_FLAVOUR_NOT_SUPPORTED);
}
$this->initsTable();
$this->data = $data;
$this->dataLength = \strlen($data);
// Initialize pointers
$this->bytePointer = 0;
$this->nextData = 0;
$this->nextBits = 0;
$prevCode = 0;
$uncompData = '';
while (($code = $this->getNextCode()) !== 257) {
if ($code === 256) {
$this->initsTable();
} elseif ($prevCode === 256) {
$uncompData .= $this->sTable[$code];
} elseif ($code < $this->tIdx) {
$string = $this->sTable[$code];
$uncompData .= $string;
$this->addStringToTable($this->sTable[$prevCode], $string[0]);
} else {
$string = $this->sTable[$prevCode];
$string .= $string[0];
$uncompData .= $string;
$this->addStringToTable($string);
}
$prevCode = $code;
}
return $uncompData;
}
/**
* Initialize the string table.
*/
protected function initsTable()
{
$this->sTable = [];
for ($i = 0; $i < 256; $i++) {
$this->sTable[$i] = \chr($i);
}
$this->tIdx = 258;
$this->bitsToGet = 9;
}
/**
* Add a new string to the string table.
*
* @param string $oldString
* @param string $newString
*/
protected function addStringToTable($oldString, $newString = '')
{
$string = $oldString . $newString;
// Add this new String to the table
$this->sTable[$this->tIdx++] = $string;
if ($this->tIdx === 511) {
$this->bitsToGet = 10;
} elseif ($this->tIdx === 1023) {
$this->bitsToGet = 11;
} elseif ($this->tIdx === 2047) {
$this->bitsToGet = 12;
}
}
/**
* Returns the next 9, 10, 11 or 12 bits.
*
* @return int
*/
protected function getNextCode()
{
if ($this->bytePointer === $this->dataLength) {
return 257;
}
$this->nextData = $this->nextData << 8 | \ord($this->data[$this->bytePointer++]) & 0xff;
$this->nextBits += 8;
if ($this->nextBits < $this->bitsToGet) {
$this->nextData = $this->nextData << 8 | \ord($this->data[$this->bytePointer++]) & 0xff;
$this->nextBits += 8;
}
$code = $this->nextData >> $this->nextBits - $this->bitsToGet & $this->andTable[$this->bitsToGet - 9];
$this->nextBits -= $this->bitsToGet;
return $code;
}
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Filter;
/**
* Exception for LZW filter class
*/
class LzwException extends FilterException
{
/**
* @var integer
*/
const LZW_FLAVOUR_NOT_SUPPORTED = 0x501;
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\CrossReference\CrossReference;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\CrossReference\CrossReferenceException;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfArray;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfBoolean;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfDictionary;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfHexString;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfIndirectObject;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfIndirectObjectReference;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfName;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfNull;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfNumeric;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfStream;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfString;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfToken;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfType;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfTypeException;
/**
* A PDF parser class
*/
class PdfParser
{
/**
* @var StreamReader
*/
protected $streamReader;
/**
* @var Tokenizer
*/
protected $tokenizer;
/**
* The file header.
*
* @var string
*/
protected $fileHeader;
/**
* The offset to the file header.
*
* @var int
*/
protected $fileHeaderOffset;
/**
* @var CrossReference|null
*/
protected $xref;
/**
* All read objects.
*
* @var array
*/
protected $objects = [];
/**
* PdfParser constructor.
*
* @param StreamReader $streamReader
*/
public function __construct(StreamReader $streamReader)
{
$this->streamReader = $streamReader;
$this->tokenizer = new Tokenizer($streamReader);
}
/**
* Removes cycled references.
*
* @internal
*/
public function cleanUp()
{
$this->xref = null;
}
/**
* Get the stream reader instance.
*
* @return StreamReader
*/
public function getStreamReader()
{
return $this->streamReader;
}
/**
* Get the tokenizer instance.
*
* @return Tokenizer
*/
public function getTokenizer()
{
return $this->tokenizer;
}
/**
* Resolves the file header.
*
* @throws PdfParserException
* @return int
*/
protected function resolveFileHeader()
{
if ($this->fileHeader) {
return $this->fileHeaderOffset;
}
$this->streamReader->reset(0);
$maxIterations = 1000;
while (\true) {
$buffer = $this->streamReader->getBuffer(\false);
$offset = \strpos($buffer, '%PDF-');
if ($offset === \false) {
if (!$this->streamReader->increaseLength(100) || --$maxIterations === 0) {
throw new PdfParserException('Unable to find PDF file header.', PdfParserException::FILE_HEADER_NOT_FOUND);
}
continue;
}
break;
}
$this->fileHeaderOffset = $offset;
$this->streamReader->setOffset($offset);
$this->fileHeader = \trim($this->streamReader->readLine());
return $this->fileHeaderOffset;
}
/**
* Get the cross-reference instance.
*
* @return CrossReference
* @throws CrossReferenceException
* @throws PdfParserException
*/
public function getCrossReference()
{
if ($this->xref === null) {
$this->xref = new CrossReference($this, $this->resolveFileHeader());
}
return $this->xref;
}
/**
* Get the PDF version.
*
* @return int[] An array of major and minor version.
* @throws PdfParserException
*/
public function getPdfVersion()
{
$this->resolveFileHeader();
if (\preg_match('/%PDF-(\\d)\\.(\\d)/', $this->fileHeader, $result) === 0) {
throw new PdfParserException('Unable to extract PDF version from file header.', PdfParserException::PDF_VERSION_NOT_FOUND);
}
list(, $major, $minor) = $result;
$catalog = $this->getCatalog();
if (isset($catalog->value['Version'])) {
$versionParts = \explode('.', PdfName::unescape(PdfType::resolve($catalog->value['Version'], $this)->value));
if (\count($versionParts) === 2) {
list($major, $minor) = $versionParts;
}
}
return [(int) $major, (int) $minor];
}
/**
* Get the catalog dictionary.
*
* @return PdfDictionary
* @throws Type\PdfTypeException
* @throws CrossReferenceException
* @throws PdfParserException
*/
public function getCatalog()
{
$trailer = $this->getCrossReference()->getTrailer();
$catalog = PdfType::resolve(PdfDictionary::get($trailer, 'Root'), $this);
return PdfDictionary::ensure($catalog);
}
/**
* Get an indirect object by its object number.
*
* @param int $objectNumber
* @param bool $cache
* @return PdfIndirectObject
* @throws CrossReferenceException
* @throws PdfParserException
*/
public function getIndirectObject($objectNumber, $cache = \false)
{
$objectNumber = (int) $objectNumber;
if (isset($this->objects[$objectNumber])) {
return $this->objects[$objectNumber];
}
$object = $this->getCrossReference()->getIndirectObject($objectNumber);
if ($cache) {
$this->objects[$objectNumber] = $object;
}
return $object;
}
/**
* Read a PDF value.
*
* @param null|bool|string $token
* @param null|string $expectedType
* @return false|PdfArray|PdfBoolean|PdfDictionary|PdfHexString|PdfIndirectObject|PdfIndirectObjectReference|PdfName|PdfNull|PdfNumeric|PdfStream|PdfString|PdfToken
* @throws Type\PdfTypeException
*/
public function readValue($token = null, $expectedType = null)
{
if ($token === null) {
$token = $this->tokenizer->getNextToken();
}
if ($token === \false) {
if ($expectedType !== null) {
throw new Type\PdfTypeException('Got unexpected token type.', Type\PdfTypeException::INVALID_DATA_TYPE);
}
return \false;
}
switch ($token) {
case '(':
$this->ensureExpectedType($token, $expectedType);
return $this->parsePdfString();
case '<':
if ($this->streamReader->getByte() === '<') {
$this->ensureExpectedType('<<', $expectedType);
$this->streamReader->addOffset(1);
return $this->parsePdfDictionary();
}
$this->ensureExpectedType($token, $expectedType);
return $this->parsePdfHexString();
case '/':
$this->ensureExpectedType($token, $expectedType);
return $this->parsePdfName();
case '[':
$this->ensureExpectedType($token, $expectedType);
return $this->parsePdfArray();
default:
if (\is_numeric($token)) {
if (($token2 = $this->tokenizer->getNextToken()) !== \false) {
if (\is_numeric($token2) && ($token3 = $this->tokenizer->getNextToken()) !== \false) {
switch ($token3) {
case 'obj':
if ($expectedType !== null && $expectedType !== PdfIndirectObject::class) {
throw new Type\PdfTypeException('Got unexpected token type.', Type\PdfTypeException::INVALID_DATA_TYPE);
}
return $this->parsePdfIndirectObject((int) $token, (int) $token2);
case 'R':
if ($expectedType !== null && $expectedType !== PdfIndirectObjectReference::class) {
throw new Type\PdfTypeException('Got unexpected token type.', Type\PdfTypeException::INVALID_DATA_TYPE);
}
return PdfIndirectObjectReference::create((int) $token, (int) $token2);
}
$this->tokenizer->pushStack($token3);
}
$this->tokenizer->pushStack($token2);
}
if ($expectedType !== null && $expectedType !== PdfNumeric::class) {
throw new Type\PdfTypeException('Got unexpected token type.', Type\PdfTypeException::INVALID_DATA_TYPE);
}
return PdfNumeric::create($token + 0);
}
if ($token === 'true' || $token === 'false') {
$this->ensureExpectedType($token, $expectedType);
return PdfBoolean::create($token === 'true');
}
if ($token === 'null') {
$this->ensureExpectedType($token, $expectedType);
return new PdfNull();
}
if ($expectedType !== null && $expectedType !== PdfToken::class) {
throw new Type\PdfTypeException('Got unexpected token type.', Type\PdfTypeException::INVALID_DATA_TYPE);
}
$v = new PdfToken();
$v->value = $token;
return $v;
}
}
/**
* @return PdfString
*/
protected function parsePdfString()
{
return PdfString::parse($this->streamReader);
}
/**
* @return false|PdfHexString
*/
protected function parsePdfHexString()
{
return PdfHexString::parse($this->streamReader);
}
/**
* @return bool|PdfDictionary
* @throws PdfTypeException
*/
protected function parsePdfDictionary()
{
return PdfDictionary::parse($this->tokenizer, $this->streamReader, $this);
}
/**
* @return PdfName
*/
protected function parsePdfName()
{
return PdfName::parse($this->tokenizer, $this->streamReader);
}
/**
* @return false|PdfArray
* @throws PdfTypeException
*/
protected function parsePdfArray()
{
return PdfArray::parse($this->tokenizer, $this);
}
/**
* @param int $objectNumber
* @param int $generationNumber
* @return false|PdfIndirectObject
* @throws Type\PdfTypeException
*/
protected function parsePdfIndirectObject($objectNumber, $generationNumber)
{
return PdfIndirectObject::parse($objectNumber, $generationNumber, $this, $this->tokenizer, $this->streamReader);
}
/**
* Ensures that the token will evaluate to an expected object type (or not).
*
* @param string $token
* @param string|null $expectedType
* @return bool
* @throws Type\PdfTypeException
*/
protected function ensureExpectedType($token, $expectedType)
{
static $mapping = ['(' => PdfString::class, '<' => PdfHexString::class, '<<' => PdfDictionary::class, '/' => PdfName::class, '[' => PdfArray::class, 'true' => PdfBoolean::class, 'false' => PdfBoolean::class, 'null' => PdfNull::class];
if ($expectedType === null || $mapping[$token] === $expectedType) {
return \true;
}
throw new Type\PdfTypeException('Got unexpected token type.', Type\PdfTypeException::INVALID_DATA_TYPE);
}
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser;
use WP_Ultimo\Dependencies\setasign\Fpdi\FpdiException;
/**
* Exception for the pdf parser class
*/
class PdfParserException extends FpdiException
{
/**
* @var int
*/
const NOT_IMPLEMENTED = 0x1;
/**
* @var int
*/
const IMPLEMENTED_IN_FPDI_PDF_PARSER = 0x2;
/**
* @var int
*/
const INVALID_DATA_TYPE = 0x3;
/**
* @var int
*/
const FILE_HEADER_NOT_FOUND = 0x4;
/**
* @var int
*/
const PDF_VERSION_NOT_FOUND = 0x5;
/**
* @var int
*/
const INVALID_DATA_SIZE = 0x6;
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser;
/**
* A stream reader class
*/
class StreamReader
{
/**
* Creates a stream reader instance by a string value.
*
* @param string $content
* @param int $maxMemory
* @return StreamReader
*/
public static function createByString($content, $maxMemory = 2097152)
{
$h = \fopen('php://temp/maxmemory:' . (int) $maxMemory, 'r+b');
\fwrite($h, $content);
\rewind($h);
return new self($h, \true);
}
/**
* Creates a stream reader instance by a filename.
*
* @param string $filename
* @return StreamReader
*/
public static function createByFile($filename)
{
$h = \fopen($filename, 'rb');
return new self($h, \true);
}
/**
* Defines whether the stream should be closed when the stream reader instance is deconstructed or not.
*
* @var bool
*/
protected $closeStream;
/**
* The stream resource.
*
* @var resource
*/
protected $stream;
/**
* The byte-offset position in the stream.
*
* @var int
*/
protected $position;
/**
* The byte-offset position in the buffer.
*
* @var int
*/
protected $offset;
/**
* The buffer length.
*
* @var int
*/
protected $bufferLength;
/**
* The total length of the stream.
*
* @var int
*/
protected $totalLength;
/**
* The buffer.
*
* @var string
*/
protected $buffer;
/**
* StreamReader constructor.
*
* @param resource $stream
* @param bool $closeStream Defines whether to close the stream resource if the instance is destructed or not.
*/
public function __construct($stream, $closeStream = \false)
{
if (!\is_resource($stream)) {
throw new \InvalidArgumentException('No stream given.');
}
$metaData = \stream_get_meta_data($stream);
if (!$metaData['seekable']) {
throw new \InvalidArgumentException('Given stream is not seekable!');
}
if (\fseek($stream, 0) === -1) {
throw new \InvalidArgumentException('Given stream is not seekable!');
}
$this->stream = $stream;
$this->closeStream = $closeStream;
$this->reset();
}
/**
* The destructor.
*/
public function __destruct()
{
$this->cleanUp();
}
/**
* Closes the file handle.
*/
public function cleanUp()
{
if ($this->closeStream && \is_resource($this->stream)) {
\fclose($this->stream);
}
}
/**
* Returns the byte length of the buffer.
*
* @param bool $atOffset
* @return int
*/
public function getBufferLength($atOffset = \false)
{
if ($atOffset === \false) {
return $this->bufferLength;
}
return $this->bufferLength - $this->offset;
}
/**
* Get the current position in the stream.
*
* @return int
*/
public function getPosition()
{
return $this->position;
}
/**
* Returns the current buffer.
*
* @param bool $atOffset
* @return string
*/
public function getBuffer($atOffset = \true)
{
if ($atOffset === \false) {
return $this->buffer;
}
$string = \substr($this->buffer, $this->offset);
return (string) $string;
}
/**
* Gets a byte at a specific position in the buffer.
*
* If the position is invalid the method will return false.
*
* If the $position parameter is set to null the value of $this->offset will be used.
*
* @param int|null $position
* @return string|bool
*/
public function getByte($position = null)
{
$position = (int) ($position !== null ? $position : $this->offset);
if ($position >= $this->bufferLength && (!$this->increaseLength() || $position >= $this->bufferLength)) {
return \false;
}
return $this->buffer[$position];
}
/**
* Returns a byte at a specific position, and set the offset to the next byte position.
*
* If the position is invalid the method will return false.
*
* If the $position parameter is set to null the value of $this->offset will be used.
*
* @param int|null $position
* @return string|bool
*/
public function readByte($position = null)
{
if ($position !== null) {
$position = (int) $position;
// check if needed bytes are available in the current buffer
if (!($position >= $this->position && $position < $this->position + $this->bufferLength)) {
$this->reset($position);
$offset = $this->offset;
} else {
$offset = $position - $this->position;
}
} else {
$offset = $this->offset;
}
if ($offset >= $this->bufferLength && (!$this->increaseLength() || $offset >= $this->bufferLength)) {
return \false;
}
$this->offset = $offset + 1;
return $this->buffer[$offset];
}
/**
* Read bytes from the current or a specific offset position and set the internal pointer to the next byte.
*
* If the position is invalid the method will return false.
*
* If the $position parameter is set to null the value of $this->offset will be used.
*
* @param int $length
* @param int|null $position
* @return string|false
*/
public function readBytes($length, $position = null)
{
$length = (int) $length;
if ($position !== null) {
// check if needed bytes are available in the current buffer
if (!($position >= $this->position && $position < $this->position + $this->bufferLength)) {
$this->reset($position, $length);
$offset = $this->offset;
} else {
$offset = $position - $this->position;
}
} else {
$offset = $this->offset;
}
if ($offset + $length > $this->bufferLength && (!$this->increaseLength($length) || $offset + $length > $this->bufferLength)) {
return \false;
}
$bytes = \substr($this->buffer, $offset, $length);
$this->offset = $offset + $length;
return $bytes;
}
/**
* Read a line from the current position.
*
* @param int $length
* @return string|bool
*/
public function readLine($length = 1024)
{
if ($this->ensureContent() === \false) {
return \false;
}
$line = '';
while ($this->ensureContent()) {
$char = $this->readByte();
if ($char === "\n") {
break;
}
if ($char === "\r") {
if ($this->getByte() === "\n") {
$this->addOffset(1);
}
break;
}
$line .= $char;
if (\strlen($line) >= $length) {
break;
}
}
return $line;
}
/**
* Set the offset position in the current buffer.
*
* @param int $offset
*/
public function setOffset($offset)
{
if ($offset > $this->bufferLength || $offset < 0) {
throw new \OutOfRangeException(\sprintf('Offset (%s) out of range (length: %s)', $offset, $this->bufferLength));
}
$this->offset = (int) $offset;
}
/**
* Returns the current offset in the current buffer.
*
* @return int
*/
public function getOffset()
{
return $this->offset;
}
/**
* Add an offset to the current offset.
*
* @param int $offset
*/
public function addOffset($offset)
{
$this->setOffset($this->offset + $offset);
}
/**
* Make sure that there is at least one character beyond the current offset in the buffer.
*
* @return bool
*/
public function ensureContent()
{
while ($this->offset >= $this->bufferLength) {
if (!$this->increaseLength()) {
return \false;
}
}
return \true;
}
/**
* Returns the stream.
*
* @return resource
*/
public function getStream()
{
return $this->stream;
}
/**
* Gets the total available length.
*
* @return int
*/
public function getTotalLength()
{
if ($this->totalLength === null) {
$stat = \fstat($this->stream);
$this->totalLength = $stat['size'];
}
return $this->totalLength;
}
/**
* Resets the buffer to a position and re-read the buffer with the given length.
*
* If the $pos parameter is negative the start buffer position will be the $pos'th position from
* the end of the file.
*
* If the $pos parameter is negative and the absolute value is bigger then the totalLength of
* the file $pos will set to zero.
*
* @param int|null $pos Start position of the new buffer
* @param int $length Length of the new buffer. Mustn't be negative
*/
public function reset($pos = 0, $length = 200)
{
if ($pos === null) {
$pos = $this->position + $this->offset;
} elseif ($pos < 0) {
$pos = \max(0, $this->getTotalLength() + $pos);
}
\fseek($this->stream, $pos);
$this->position = $pos;
$this->buffer = $length > 0 ? \fread($this->stream, $length) : '';
$this->bufferLength = \strlen($this->buffer);
$this->offset = 0;
// If a stream wrapper is in use it is possible that
// length values > 8096 will be ignored, so use the
// increaseLength()-method to correct that behavior
if ($this->bufferLength < $length && $this->increaseLength($length - $this->bufferLength)) {
// increaseLength parameter is $minLength, so cut to have only the required bytes in the buffer
$this->buffer = \substr($this->buffer, 0, $length);
$this->bufferLength = \strlen($this->buffer);
}
}
/**
* Ensures bytes in the buffer with a specific length and location in the file.
*
* @param int $pos
* @param int $length
* @see reset()
*/
public function ensure($pos, $length)
{
if ($pos >= $this->position && $pos < $this->position + $this->bufferLength && $this->position + $this->bufferLength >= $pos + $length) {
$this->offset = $pos - $this->position;
} else {
$this->reset($pos, $length);
}
}
/**
* Forcefully read more data into the buffer.
*
* @param int $minLength
* @return bool Returns false if the stream reaches the end
*/
public function increaseLength($minLength = 100)
{
$length = \max($minLength, 100);
if (\feof($this->stream) || $this->getTotalLength() === $this->position + $this->bufferLength) {
return \false;
}
$newLength = $this->bufferLength + $length;
do {
$this->buffer .= \fread($this->stream, $newLength - $this->bufferLength);
$this->bufferLength = \strlen($this->buffer);
} while ($this->bufferLength !== $newLength && !\feof($this->stream));
return \true;
}
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser;
/**
* A tokenizer class.
*/
class Tokenizer
{
/**
* @var StreamReader
*/
protected $streamReader;
/**
* A token stack.
*
* @var string[]
*/
protected $stack = [];
/**
* Tokenizer constructor.
*
* @param StreamReader $streamReader
*/
public function __construct(StreamReader $streamReader)
{
$this->streamReader = $streamReader;
}
/**
* Get the stream reader instance.
*
* @return StreamReader
*/
public function getStreamReader()
{
return $this->streamReader;
}
/**
* Clear the token stack.
*/
public function clearStack()
{
$this->stack = [];
}
/**
* Push a token onto the stack.
*
* @param string $token
*/
public function pushStack($token)
{
$this->stack[] = $token;
}
/**
* Get next token.
*
* @return bool|string
*/
public function getNextToken()
{
$token = \array_pop($this->stack);
if ($token !== null) {
return $token;
}
if (($byte = $this->streamReader->readByte()) === \false) {
return \false;
}
if (\in_array($byte, [" ", "\n", "\r", "\f", "\t", "\x00"], \true)) {
if ($this->leapWhiteSpaces() === \false) {
return \false;
}
$byte = $this->streamReader->readByte();
}
switch ($byte) {
case '/':
case '[':
case ']':
case '(':
case ')':
case '{':
case '}':
case '<':
case '>':
return $byte;
case '%':
$this->streamReader->readLine();
return $this->getNextToken();
}
/* This way is faster than checking single bytes.
*/
$bufferOffset = $this->streamReader->getOffset();
do {
$lastBuffer = $this->streamReader->getBuffer(\false);
$pos = \strcspn($lastBuffer, "\x00\t\n\f\r ()<>[]{}/%", $bufferOffset);
} while ($lastBuffer !== \false && ($bufferOffset + $pos === \strlen($lastBuffer) && $this->streamReader->increaseLength()));
$result = \substr($lastBuffer, $bufferOffset - 1, $pos + 1);
$this->streamReader->setOffset($bufferOffset + $pos);
return $result;
}
/**
* Leap white spaces.
*
* @return boolean
*/
public function leapWhiteSpaces()
{
do {
if (!$this->streamReader->ensureContent()) {
return \false;
}
$buffer = $this->streamReader->getBuffer(\false);
$matches = \strspn($buffer, " \n\f\r\t\x00", $this->streamReader->getOffset());
if ($matches > 0) {
$this->streamReader->addOffset($matches);
}
} while ($this->streamReader->getOffset() >= $this->streamReader->getBufferLength());
return \true;
}
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\PdfParser;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Tokenizer;
/**
* Class representing a PDF array object
*
* @property array $value The value of the PDF type.
*/
class PdfArray extends PdfType
{
/**
* Parses an array of the passed tokenizer and parser.
*
* @param Tokenizer $tokenizer
* @param PdfParser $parser
* @return false|self
* @throws PdfTypeException
*/
public static function parse(Tokenizer $tokenizer, PdfParser $parser)
{
$result = [];
// Recurse into this function until we reach the end of the array.
while (($token = $tokenizer->getNextToken()) !== ']') {
if ($token === \false || ($value = $parser->readValue($token)) === \false) {
return \false;
}
$result[] = $value;
}
$v = new self();
$v->value = $result;
return $v;
}
/**
* Helper method to create an instance.
*
* @param PdfType[] $values
* @return self
*/
public static function create(array $values = [])
{
$v = new self();
$v->value = $values;
return $v;
}
/**
* Ensures that the passed array is a PdfArray instance with a (optional) specific size.
*
* @param mixed $array
* @param null|int $size
* @return self
* @throws PdfTypeException
*/
public static function ensure($array, $size = null)
{
$result = PdfType::ensureType(self::class, $array, 'Array value expected.');
if ($size !== null && \count($array->value) !== $size) {
throw new PdfTypeException(\sprintf('Array with %s entries expected.', $size), PdfTypeException::INVALID_DATA_SIZE);
}
return $result;
}
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type;
/**
* Class representing a boolean PDF object
*/
class PdfBoolean extends PdfType
{
/**
* Helper method to create an instance.
*
* @param bool $value
* @return self
*/
public static function create($value)
{
$v = new self();
$v->value = (bool) $value;
return $v;
}
/**
* Ensures that the passed value is a PdfBoolean instance.
*
* @param mixed $value
* @return self
* @throws PdfTypeException
*/
public static function ensure($value)
{
return PdfType::ensureType(self::class, $value, 'Boolean value expected.');
}
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\PdfParser;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\StreamReader;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Tokenizer;
/**
* Class representing a PDF dictionary object
*/
class PdfDictionary extends PdfType
{
/**
* Parses a dictionary of the passed tokenizer, stream-reader and parser.
*
* @param Tokenizer $tokenizer
* @param StreamReader $streamReader
* @param PdfParser $parser
* @return bool|self
* @throws PdfTypeException
*/
public static function parse(Tokenizer $tokenizer, StreamReader $streamReader, PdfParser $parser)
{
$entries = [];
while (\true) {
$token = $tokenizer->getNextToken();
if ($token === '>' && $streamReader->getByte() === '>') {
$streamReader->addOffset(1);
break;
}
$key = $parser->readValue($token);
if ($key === \false) {
return \false;
}
// ensure the first value to be a Name object
if (!$key instanceof PdfName) {
$lastToken = null;
// ignore all other entries and search for the closing brackets
while (($token = $tokenizer->getNextToken()) !== '>' && $token !== \false && $lastToken !== '>') {
$lastToken = $token;
}
if ($token === \false) {
return \false;
}
break;
}
$value = $parser->readValue();
if ($value === \false) {
return \false;
}
if ($value instanceof PdfNull) {
continue;
}
// catch missing value
if ($value instanceof PdfToken && $value->value === '>' && $streamReader->getByte() === '>') {
$streamReader->addOffset(1);
break;
}
$entries[$key->value] = $value;
}
$v = new self();
$v->value = $entries;
return $v;
}
/**
* Helper method to create an instance.
*
* @param PdfType[] $entries The keys are the name entries of the dictionary.
* @return self
*/
public static function create(array $entries = [])
{
$v = new self();
$v->value = $entries;
return $v;
}
/**
* Get a value by its key from a dictionary or a default value.
*
* @param mixed $dictionary
* @param string $key
* @param PdfType|null $default
* @return PdfNull|PdfType
* @throws PdfTypeException
*/
public static function get($dictionary, $key, PdfType $default = null)
{
$dictionary = self::ensure($dictionary);
if (isset($dictionary->value[$key])) {
return $dictionary->value[$key];
}
return $default === null ? new PdfNull() : $default;
}
/**
* Ensures that the passed value is a PdfDictionary instance.
*
* @param mixed $dictionary
* @return self
* @throws PdfTypeException
*/
public static function ensure($dictionary)
{
return PdfType::ensureType(self::class, $dictionary, 'Dictionary value expected.');
}
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\StreamReader;
/**
* Class representing a hexadecimal encoded PDF string object
*/
class PdfHexString extends PdfType
{
/**
* Parses a hexadecimal string object from the stream reader.
*
* @param StreamReader $streamReader
* @return false|self
*/
public static function parse(StreamReader $streamReader)
{
$bufferOffset = $streamReader->getOffset();
while (\true) {
$buffer = $streamReader->getBuffer(\false);
$pos = \strpos($buffer, '>', $bufferOffset);
if ($pos === \false) {
if (!$streamReader->increaseLength()) {
return \false;
}
continue;
}
break;
}
$result = \substr($buffer, $bufferOffset, $pos - $bufferOffset);
$streamReader->setOffset($pos + 1);
$v = new self();
$v->value = $result;
return $v;
}
/**
* Helper method to create an instance.
*
* @param string $string The hex encoded string.
* @return self
*/
public static function create($string)
{
$v = new self();
$v->value = $string;
return $v;
}
/**
* Ensures that the passed value is a PdfHexString instance.
*
* @param mixed $hexString
* @return self
* @throws PdfTypeException
*/
public static function ensure($hexString)
{
return PdfType::ensureType(self::class, $hexString, 'Hex string value expected.');
}
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\PdfParser;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\StreamReader;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Tokenizer;
/**
* Class representing an indirect object
*/
class PdfIndirectObject extends PdfType
{
/**
* Parses an indirect object from a tokenizer, parser and stream-reader.
*
* @param int $objectNumber
* @param int $objectGenerationNumber
* @param PdfParser $parser
* @param Tokenizer $tokenizer
* @param StreamReader $reader
* @return self|false
* @throws PdfTypeException
*/
public static function parse($objectNumber, $objectGenerationNumber, PdfParser $parser, Tokenizer $tokenizer, StreamReader $reader)
{
$value = $parser->readValue();
if ($value === \false) {
return \false;
}
$nextToken = $tokenizer->getNextToken();
if ($nextToken === 'stream') {
$value = PdfStream::parse($value, $reader, $parser);
} elseif ($nextToken !== \false) {
$tokenizer->pushStack($nextToken);
}
$v = new self();
$v->objectNumber = (int) $objectNumber;
$v->generationNumber = (int) $objectGenerationNumber;
$v->value = $value;
return $v;
}
/**
* Helper method to create an instance.
*
* @param int $objectNumber
* @param int $generationNumber
* @param PdfType $value
* @return self
*/
public static function create($objectNumber, $generationNumber, PdfType $value)
{
$v = new self();
$v->objectNumber = (int) $objectNumber;
$v->generationNumber = (int) $generationNumber;
$v->value = $value;
return $v;
}
/**
* Ensures that the passed value is a PdfIndirectObject instance.
*
* @param mixed $indirectObject
* @return self
* @throws PdfTypeException
*/
public static function ensure($indirectObject)
{
return PdfType::ensureType(self::class, $indirectObject, 'Indirect object expected.');
}
/**
* The object number.
*
* @var int
*/
public $objectNumber;
/**
* The generation number.
*
* @var int
*/
public $generationNumber;
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type;
/**
* Class representing an indirect object reference
*/
class PdfIndirectObjectReference extends PdfType
{
/**
* Helper method to create an instance.
*
* @param int $objectNumber
* @param int $generationNumber
* @return self
*/
public static function create($objectNumber, $generationNumber)
{
$v = new self();
$v->value = (int) $objectNumber;
$v->generationNumber = (int) $generationNumber;
return $v;
}
/**
* Ensures that the passed value is a PdfIndirectObject instance.
*
* @param mixed $value
* @return self
* @throws PdfTypeException
*/
public static function ensure($value)
{
return PdfType::ensureType(self::class, $value, 'Indirect reference value expected.');
}
/**
* The generation number.
*
* @var int
*/
public $generationNumber;
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\StreamReader;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Tokenizer;
/**
* Class representing a PDF name object
*/
class PdfName extends PdfType
{
/**
* Parses a name object from the passed tokenizer and stream-reader.
*
* @param Tokenizer $tokenizer
* @param StreamReader $streamReader
* @return self
*/
public static function parse(Tokenizer $tokenizer, StreamReader $streamReader)
{
$v = new self();
if (\strspn($streamReader->getByte(), "\x00\t\n\f\r ()<>[]{}/%") === 0) {
$v->value = (string) $tokenizer->getNextToken();
return $v;
}
$v->value = '';
return $v;
}
/**
* Unescapes a name string.
*
* @param string $value
* @return string
*/
public static function unescape($value)
{
if (\strpos($value, '#') === \false) {
return $value;
}
return \preg_replace_callback('/#([a-fA-F\\d]{2})/', function ($matches) {
return \chr(\hexdec($matches[1]));
}, $value);
}
/**
* Helper method to create an instance.
*
* @param string $string
* @return self
*/
public static function create($string)
{
$v = new self();
$v->value = $string;
return $v;
}
/**
* Ensures that the passed value is a PdfName instance.
*
* @param mixed $name
* @return self
* @throws PdfTypeException
*/
public static function ensure($name)
{
return PdfType::ensureType(self::class, $name, 'Name value expected.');
}
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type;
/**
* Class representing a PDF null object
*/
class PdfNull extends PdfType
{
// empty body
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type;
/**
* Class representing a numeric PDF object
*/
class PdfNumeric extends PdfType
{
/**
* Helper method to create an instance.
*
* @param int|float $value
* @return PdfNumeric
*/
public static function create($value)
{
$v = new self();
$v->value = $value + 0;
return $v;
}
/**
* Ensures that the passed value is a PdfNumeric instance.
*
* @param mixed $value
* @return self
* @throws PdfTypeException
*/
public static function ensure($value)
{
return PdfType::ensureType(self::class, $value, 'Numeric value expected.');
}
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\CrossReference\CrossReferenceException;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Filter\Ascii85;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Filter\AsciiHex;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Filter\FilterException;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Filter\Flate;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Filter\Lzw;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\PdfParser;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\PdfParserException;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\StreamReader;
use WP_Ultimo\Dependencies\setasign\FpdiPdfParser\PdfParser\Filter\Predictor;
/**
* Class representing a PDF stream object
*/
class PdfStream extends PdfType
{
/**
* Parses a stream from a stream reader.
*
* @param PdfDictionary $dictionary
* @param StreamReader $reader
* @param PdfParser $parser Optional to keep backwards compatibility
* @return self
* @throws PdfTypeException
*/
public static function parse(PdfDictionary $dictionary, StreamReader $reader, PdfParser $parser = null)
{
$v = new self();
$v->value = $dictionary;
$v->reader = $reader;
$v->parser = $parser;
$offset = $reader->getOffset();
// Find the first "newline"
while (($firstByte = $reader->getByte($offset)) !== \false) {
$offset++;
if ($firstByte === "\n" || $firstByte === "\r") {
break;
}
}
if ($firstByte === \false) {
throw new PdfTypeException('Unable to parse stream data. No newline after the stream keyword found.', PdfTypeException::NO_NEWLINE_AFTER_STREAM_KEYWORD);
}
$sndByte = $reader->getByte($offset);
if ($sndByte === "\n" && $firstByte !== "\n") {
$offset++;
}
$reader->setOffset($offset);
// let's only save the byte-offset and read the stream only when needed
$v->stream = $reader->getPosition() + $reader->getOffset();
return $v;
}
/**
* Helper method to create an instance.
*
* @param PdfDictionary $dictionary
* @param string $stream
* @return self
*/
public static function create(PdfDictionary $dictionary, $stream)
{
$v = new self();
$v->value = $dictionary;
$v->stream = (string) $stream;
return $v;
}
/**
* Ensures that the passed value is a PdfStream instance.
*
* @param mixed $stream
* @return self
* @throws PdfTypeException
*/
public static function ensure($stream)
{
return PdfType::ensureType(self::class, $stream, 'Stream value expected.');
}
/**
* The stream or its byte-offset position.
*
* @var int|string
*/
protected $stream;
/**
* The stream reader instance.
*
* @var StreamReader|null
*/
protected $reader;
/**
* The PDF parser instance.
*
* @var PdfParser
*/
protected $parser;
/**
* Get the stream data.
*
* @param bool $cache Whether cache the stream data or not.
* @return bool|string
* @throws PdfTypeException
* @throws CrossReferenceException
* @throws PdfParserException
*/
public function getStream($cache = \false)
{
if (\is_int($this->stream)) {
$length = PdfDictionary::get($this->value, 'Length');
if ($this->parser !== null) {
$length = PdfType::resolve($length, $this->parser);
}
if (!$length instanceof PdfNumeric || $length->value === 0) {
$this->reader->reset($this->stream, 100000);
$buffer = $this->extractStream();
} else {
$this->reader->reset($this->stream, $length->value);
$buffer = $this->reader->getBuffer(\false);
if ($this->parser !== null) {
$this->reader->reset($this->stream + \strlen($buffer));
$this->parser->getTokenizer()->clearStack();
$token = $this->parser->readValue();
if ($token === \false || !$token instanceof PdfToken || $token->value !== 'endstream') {
$this->reader->reset($this->stream, 100000);
$buffer = $this->extractStream();
$this->reader->reset($this->stream + \strlen($buffer));
}
}
}
if ($cache === \false) {
return $buffer;
}
$this->stream = $buffer;
$this->reader = null;
}
return $this->stream;
}
/**
* Extract the stream "manually".
*
* @return string
* @throws PdfTypeException
*/
protected function extractStream()
{
while (\true) {
$buffer = $this->reader->getBuffer(\false);
$length = \strpos($buffer, 'endstream');
if ($length === \false) {
if (!$this->reader->increaseLength(100000)) {
throw new PdfTypeException('Cannot extract stream.');
}
continue;
}
break;
}
$buffer = \substr($buffer, 0, $length);
$lastByte = \substr($buffer, -1);
/* Check for EOL marker =
* CARRIAGE RETURN (\r) and a LINE FEED (\n) or just a LINE FEED (\n},
* and not by a CARRIAGE RETURN (\r) alone
*/
if ($lastByte === "\n") {
$buffer = \substr($buffer, 0, -1);
$lastByte = \substr($buffer, -1);
if ($lastByte === "\r") {
$buffer = \substr($buffer, 0, -1);
}
}
// There are streams in the wild, which have only white signs in them but need to be parsed manually due
// to a problem encountered before (e.g. Length === 0). We should set them to empty streams to avoid problems
// in further processing (e.g. applying of filters).
if (\trim($buffer) === '') {
$buffer = '';
}
return $buffer;
}
/**
* Get all filters defined for this stream.
*
* @return PdfType[]
* @throws PdfTypeException
*/
public function getFilters()
{
$filters = PdfDictionary::get($this->value, 'Filter');
if ($filters instanceof PdfNull) {
return [];
}
if ($filters instanceof PdfArray) {
$filters = $filters->value;
} else {
$filters = [$filters];
}
return $filters;
}
/**
* Get the unfiltered stream data.
*
* @return string
* @throws FilterException
* @throws PdfParserException
*/
public function getUnfilteredStream()
{
$stream = $this->getStream();
$filters = $this->getFilters();
if ($filters === []) {
return $stream;
}
$decodeParams = PdfDictionary::get($this->value, 'DecodeParms');
if ($decodeParams instanceof PdfArray) {
$decodeParams = $decodeParams->value;
} else {
$decodeParams = [$decodeParams];
}
foreach ($filters as $key => $filter) {
if (!$filter instanceof PdfName) {
continue;
}
$decodeParam = null;
if (isset($decodeParams[$key])) {
$decodeParam = $decodeParams[$key] instanceof PdfDictionary ? $decodeParams[$key] : null;
}
switch ($filter->value) {
case 'FlateDecode':
case 'Fl':
case 'LZWDecode':
case 'LZW':
if (\strpos($filter->value, 'LZW') === 0) {
$filterObject = new Lzw();
} else {
$filterObject = new Flate();
}
$stream = $filterObject->decode($stream);
if ($decodeParam instanceof PdfDictionary) {
$predictor = PdfDictionary::get($decodeParam, 'Predictor', PdfNumeric::create(1));
if ($predictor->value !== 1) {
if (!\class_exists(Predictor::class)) {
throw new PdfParserException('This PDF document makes use of features which are only implemented in the ' . 'commercial "FPDI PDF-Parser" add-on (see https://www.setasign.com/fpdi-pdf-' . 'parser).', PdfParserException::IMPLEMENTED_IN_FPDI_PDF_PARSER);
}
$colors = PdfDictionary::get($decodeParam, 'Colors', PdfNumeric::create(1));
$bitsPerComponent = PdfDictionary::get($decodeParam, 'BitsPerComponent', PdfNumeric::create(8));
$columns = PdfDictionary::get($decodeParam, 'Columns', PdfNumeric::create(1));
$filterObject = new Predictor($predictor->value, $colors->value, $bitsPerComponent->value, $columns->value);
$stream = $filterObject->decode($stream);
}
}
break;
case 'ASCII85Decode':
case 'A85':
$filterObject = new Ascii85();
$stream = $filterObject->decode($stream);
break;
case 'ASCIIHexDecode':
case 'AHx':
$filterObject = new AsciiHex();
$stream = $filterObject->decode($stream);
break;
case 'Crypt':
if (!$decodeParam instanceof PdfDictionary) {
break;
}
// Filter is "Identity"
$name = PdfDictionary::get($decodeParam, 'Name');
if (!$name instanceof PdfName || $name->value !== 'Identity') {
break;
}
throw new FilterException('Support for Crypt filters other than "Identity" is not implemented.', FilterException::UNSUPPORTED_FILTER);
default:
throw new FilterException(\sprintf('Unsupported filter "%s".', $filter->value), FilterException::UNSUPPORTED_FILTER);
}
}
return $stream;
}
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\StreamReader;
/**
* Class representing a PDF string object
*/
class PdfString extends PdfType
{
/**
* Parses a string object from the stream reader.
*
* @param StreamReader $streamReader
* @return self
*/
public static function parse(StreamReader $streamReader)
{
$pos = $startPos = $streamReader->getOffset();
$openBrackets = 1;
do {
$buffer = $streamReader->getBuffer(\false);
for ($length = \strlen($buffer); $openBrackets !== 0 && $pos < $length; $pos++) {
switch ($buffer[$pos]) {
case '(':
$openBrackets++;
break;
case ')':
$openBrackets--;
break;
case '\\':
$pos++;
}
}
} while ($openBrackets !== 0 && $streamReader->increaseLength());
$result = \substr($buffer, $startPos, $openBrackets + $pos - $startPos - 1);
$streamReader->setOffset($pos);
$v = new self();
$v->value = $result;
return $v;
}
/**
* Helper method to create an instance.
*
* @param string $value The string needs to be escaped accordingly.
* @return self
*/
public static function create($value)
{
$v = new self();
$v->value = $value;
return $v;
}
/**
* Ensures that the passed value is a PdfString instance.
*
* @param mixed $string
* @return self
* @throws PdfTypeException
*/
public static function ensure($string)
{
return PdfType::ensureType(self::class, $string, 'String value expected.');
}
/**
* Escapes sequences in a string according to the PDF specification.
*
* @param string $s
* @return string
*/
public static function escape($s)
{
// Still a bit faster, than direct replacing
if (\strpos($s, '\\') !== \false || \strpos($s, ')') !== \false || \strpos($s, '(') !== \false || \strpos($s, "\r") !== \false || \strpos($s, "\n") !== \false || \strpos($s, "\t") !== \false || \strpos($s, "\x08") !== \false || \strpos($s, "\f") !== \false) {
// is faster than strtr(...)
return \str_replace(['\\', ')', '(', "\r", "\n", "\t", "\x08", "\f"], ['\\\\', '\\)', '\\(', '\\r', '\\n', '\\t', '\\b', '\\f'], $s);
}
return $s;
}
/**
* Unescapes escaped sequences in a PDF string according to the PDF specification.
*
* @param string $s
* @return string
*/
public static function unescape($s)
{
$out = '';
/** @noinspection ForeachInvariantsInspection */
for ($count = 0, $n = \strlen($s); $count < $n; $count++) {
if ($s[$count] !== '\\') {
$out .= $s[$count];
} else {
// A backslash at the end of the string - ignore it
if ($count === $n - 1) {
break;
}
switch ($s[++$count]) {
case ')':
case '(':
case '\\':
$out .= $s[$count];
break;
case 'f':
$out .= "\f";
break;
case 'b':
$out .= "\x08";
break;
case 't':
$out .= "\t";
break;
case 'r':
$out .= "\r";
break;
case 'n':
$out .= "\n";
break;
case "\r":
if ($count !== $n - 1 && $s[$count + 1] === "\n") {
$count++;
}
break;
case "\n":
break;
default:
$actualChar = \ord($s[$count]);
// ascii 48 = number 0
// ascii 57 = number 9
if ($actualChar >= 48 && $actualChar <= 57) {
$oct = '' . $s[$count];
/** @noinspection NotOptimalIfConditionsInspection */
if ($count + 1 < $n && \ord($s[$count + 1]) >= 48 && \ord($s[$count + 1]) <= 57) {
$count++;
$oct .= $s[$count];
/** @noinspection NotOptimalIfConditionsInspection */
if ($count + 1 < $n && \ord($s[$count + 1]) >= 48 && \ord($s[$count + 1]) <= 57) {
$oct .= $s[++$count];
}
}
$out .= \chr(\octdec($oct));
} else {
// If the character is not one of those defined, the backslash is ignored
$out .= $s[$count];
}
}
}
}
return $out;
}
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type;
/**
* Class representing PDF token object
*/
class PdfToken extends PdfType
{
/**
* Helper method to create an instance.
*
* @param string $token
* @return self
*/
public static function create($token)
{
$v = new self();
$v->value = $token;
return $v;
}
/**
* Ensures that the passed value is a PdfToken instance.
*
* @param mixed $token
* @return self
* @throws PdfTypeException
*/
public static function ensure($token)
{
return PdfType::ensureType(self::class, $token, 'Token value expected.');
}
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\CrossReference\CrossReferenceException;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\PdfParser;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\PdfParserException;
/**
* A class defining a PDF data type
*/
class PdfType
{
/**
* Resolves a PdfType value to its value.
*
* This method is used to evaluate indirect and direct object references until a final value is reached.
*
* @param PdfType $value
* @param PdfParser $parser
* @param bool $stopAtIndirectObject
* @return PdfType
* @throws CrossReferenceException
* @throws PdfParserException
*/
public static function resolve(PdfType $value, PdfParser $parser, $stopAtIndirectObject = \false)
{
if ($value instanceof PdfIndirectObject) {
if ($stopAtIndirectObject === \true) {
return $value;
}
return self::resolve($value->value, $parser, $stopAtIndirectObject);
}
if ($value instanceof PdfIndirectObjectReference) {
return self::resolve($parser->getIndirectObject($value->value), $parser, $stopAtIndirectObject);
}
return $value;
}
/**
* Ensure that a value is an instance of a specific PDF type.
*
* @param string $type
* @param PdfType $value
* @param string $errorMessage
* @return mixed
* @throws PdfTypeException
*/
protected static function ensureType($type, $value, $errorMessage)
{
if (!$value instanceof $type) {
throw new PdfTypeException($errorMessage, PdfTypeException::INVALID_DATA_TYPE);
}
return $value;
}
/**
* The value of the PDF type.
*
* @var mixed
*/
public $value;
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\PdfParserException;
/**
* Exception class for pdf type classes
*/
class PdfTypeException extends PdfParserException
{
/**
* @var int
*/
const NO_NEWLINE_AFTER_STREAM_KEYWORD = 0x601;
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi\PdfReader\DataStructure;
use WP_Ultimo\Dependencies\setasign\Fpdi\Math\Vector;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\CrossReference\CrossReferenceException;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\PdfParser;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\PdfParserException;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfArray;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfNumeric;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfType;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfTypeException;
/**
* Class representing a rectangle
*/
class Rectangle
{
/**
* @var int|float
*/
protected $llx;
/**
* @var int|float
*/
protected $lly;
/**
* @var int|float
*/
protected $urx;
/**
* @var int|float
*/
protected $ury;
/**
* Create a rectangle instance by a PdfArray.
*
* @param PdfArray|mixed $array
* @param PdfParser $parser
* @return Rectangle
* @throws PdfTypeException
* @throws CrossReferenceException
* @throws PdfParserException
*/
public static function byPdfArray($array, PdfParser $parser)
{
$array = PdfArray::ensure(PdfType::resolve($array, $parser), 4)->value;
$ax = PdfNumeric::ensure(PdfType::resolve($array[0], $parser))->value;
$ay = PdfNumeric::ensure(PdfType::resolve($array[1], $parser))->value;
$bx = PdfNumeric::ensure(PdfType::resolve($array[2], $parser))->value;
$by = PdfNumeric::ensure(PdfType::resolve($array[3], $parser))->value;
return new self($ax, $ay, $bx, $by);
}
public static function byVectors(Vector $ll, Vector $ur)
{
return new self($ll->getX(), $ll->getY(), $ur->getX(), $ur->getY());
}
/**
* Rectangle constructor.
*
* @param float|int $ax
* @param float|int $ay
* @param float|int $bx
* @param float|int $by
*/
public function __construct($ax, $ay, $bx, $by)
{
$this->llx = \min($ax, $bx);
$this->lly = \min($ay, $by);
$this->urx = \max($ax, $bx);
$this->ury = \max($ay, $by);
}
/**
* Get the width of the rectangle.
*
* @return float|int
*/
public function getWidth()
{
return $this->urx - $this->llx;
}
/**
* Get the height of the rectangle.
*
* @return float|int
*/
public function getHeight()
{
return $this->ury - $this->lly;
}
/**
* Get the lower left abscissa.
*
* @return float|int
*/
public function getLlx()
{
return $this->llx;
}
/**
* Get the lower left ordinate.
*
* @return float|int
*/
public function getLly()
{
return $this->lly;
}
/**
* Get the upper right abscissa.
*
* @return float|int
*/
public function getUrx()
{
return $this->urx;
}
/**
* Get the upper right ordinate.
*
* @return float|int
*/
public function getUry()
{
return $this->ury;
}
/**
* Get the rectangle as an array.
*
* @return array
*/
public function toArray()
{
return [$this->llx, $this->lly, $this->urx, $this->ury];
}
/**
* Get the rectangle as a PdfArray.
*
* @return PdfArray
*/
public function toPdfArray()
{
$array = new PdfArray();
$array->value[] = PdfNumeric::create($this->llx);
$array->value[] = PdfNumeric::create($this->lly);
$array->value[] = PdfNumeric::create($this->urx);
$array->value[] = PdfNumeric::create($this->ury);
return $array;
}
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi\PdfReader;
use WP_Ultimo\Dependencies\setasign\Fpdi\GraphicsState;
use WP_Ultimo\Dependencies\setasign\Fpdi\Math\Vector;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Filter\FilterException;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\PdfParser;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\PdfParserException;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfArray;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfDictionary;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfHexString;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfIndirectObject;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfName;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfNull;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfNumeric;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfStream;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfString;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfType;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfTypeException;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfReader\DataStructure\Rectangle;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\CrossReference\CrossReferenceException;
/**
* Class representing a page of a PDF document
*/
class Page
{
/**
* @var PdfIndirectObject
*/
protected $pageObject;
/**
* @var PdfDictionary
*/
protected $pageDictionary;
/**
* @var PdfParser
*/
protected $parser;
/**
* Inherited attributes
*
* @var null|array
*/
protected $inheritedAttributes;
/**
* Page constructor.
*
* @param PdfIndirectObject $page
* @param PdfParser $parser
*/
public function __construct(PdfIndirectObject $page, PdfParser $parser)
{
$this->pageObject = $page;
$this->parser = $parser;
}
/**
* Get the indirect object of this page.
*
* @return PdfIndirectObject
*/
public function getPageObject()
{
return $this->pageObject;
}
/**
* Get the dictionary of this page.
*
* @return PdfDictionary
* @throws PdfParserException
* @throws PdfTypeException
* @throws CrossReferenceException
*/
public function getPageDictionary()
{
if ($this->pageDictionary === null) {
$this->pageDictionary = PdfDictionary::ensure(PdfType::resolve($this->getPageObject(), $this->parser));
}
return $this->pageDictionary;
}
/**
* Get a page attribute.
*
* @param string $name
* @param bool $inherited
* @return PdfType|null
* @throws PdfParserException
* @throws PdfTypeException
* @throws CrossReferenceException
*/
public function getAttribute($name, $inherited = \true)
{
$dict = $this->getPageDictionary();
if (isset($dict->value[$name])) {
return $dict->value[$name];
}
$inheritedKeys = ['Resources', 'MediaBox', 'CropBox', 'Rotate'];
if ($inherited && \in_array($name, $inheritedKeys, \true)) {
if ($this->inheritedAttributes === null) {
$this->inheritedAttributes = [];
$inheritedKeys = \array_filter($inheritedKeys, function ($key) use($dict) {
return !isset($dict->value[$key]);
});
if (\count($inheritedKeys) > 0) {
$parentDict = PdfType::resolve(PdfDictionary::get($dict, 'Parent'), $this->parser);
while ($parentDict instanceof PdfDictionary) {
foreach ($inheritedKeys as $index => $key) {
if (isset($parentDict->value[$key])) {
$this->inheritedAttributes[$key] = $parentDict->value[$key];
unset($inheritedKeys[$index]);
}
}
/** @noinspection NotOptimalIfConditionsInspection */
if (isset($parentDict->value['Parent']) && \count($inheritedKeys) > 0) {
$parentDict = PdfType::resolve(PdfDictionary::get($parentDict, 'Parent'), $this->parser);
} else {
break;
}
}
}
}
if (isset($this->inheritedAttributes[$name])) {
return $this->inheritedAttributes[$name];
}
}
return null;
}
/**
* Get the rotation value.
*
* @return int
* @throws PdfParserException
* @throws PdfTypeException
* @throws CrossReferenceException
*/
public function getRotation()
{
$rotation = $this->getAttribute('Rotate');
if ($rotation === null) {
return 0;
}
$rotation = PdfNumeric::ensure(PdfType::resolve($rotation, $this->parser))->value % 360;
if ($rotation < 0) {
$rotation += 360;
}
return $rotation;
}
/**
* Get a boundary of this page.
*
* @param string $box
* @param bool $fallback
* @return bool|Rectangle
* @throws PdfParserException
* @throws PdfTypeException
* @throws CrossReferenceException
* @see PageBoundaries
*/
public function getBoundary($box = PageBoundaries::CROP_BOX, $fallback = \true)
{
$value = $this->getAttribute($box);
if ($value !== null) {
return Rectangle::byPdfArray($value, $this->parser);
}
if ($fallback === \false) {
return \false;
}
switch ($box) {
case PageBoundaries::BLEED_BOX:
case PageBoundaries::TRIM_BOX:
case PageBoundaries::ART_BOX:
return $this->getBoundary(PageBoundaries::CROP_BOX, \true);
case PageBoundaries::CROP_BOX:
return $this->getBoundary(PageBoundaries::MEDIA_BOX, \true);
}
return \false;
}
/**
* Get the width and height of this page.
*
* @param string $box
* @param bool $fallback
* @return array|bool
* @throws PdfParserException
* @throws PdfTypeException
* @throws CrossReferenceException
*/
public function getWidthAndHeight($box = PageBoundaries::CROP_BOX, $fallback = \true)
{
$boundary = $this->getBoundary($box, $fallback);
if ($boundary === \false) {
return \false;
}
$rotation = $this->getRotation();
$interchange = $rotation / 90 % 2;
return [$interchange ? $boundary->getHeight() : $boundary->getWidth(), $interchange ? $boundary->getWidth() : $boundary->getHeight()];
}
/**
* Get the raw content stream.
*
* @return string
* @throws PdfReaderException
* @throws PdfTypeException
* @throws FilterException
* @throws PdfParserException
*/
public function getContentStream()
{
$dict = $this->getPageDictionary();
$contents = PdfType::resolve(PdfDictionary::get($dict, 'Contents'), $this->parser);
if ($contents instanceof PdfNull) {
return '';
}
if ($contents instanceof PdfArray) {
$result = [];
foreach ($contents->value as $content) {
$content = PdfType::resolve($content, $this->parser);
if (!$content instanceof PdfStream) {
continue;
}
$result[] = $content->getUnfilteredStream();
}
return \implode("\n", $result);
}
if ($contents instanceof PdfStream) {
return $contents->getUnfilteredStream();
}
throw new PdfReaderException('Array or stream expected.', PdfReaderException::UNEXPECTED_DATA_TYPE);
}
/**
* Get information of all external links on this page.
*
* All coordinates are normalized in view to rotation and translation of the boundary-box, so that their
* origin is lower-left.
*
* @return array
* @throws CrossReferenceException
* @throws PdfParserException
* @throws PdfTypeException
*/
public function getExternalLinks($box = PageBoundaries::CROP_BOX)
{
$dict = $this->getPageDictionary();
$annotations = PdfType::resolve(PdfDictionary::get($dict, 'Annots'), $this->parser);
if (!$annotations instanceof PdfArray) {
return [];
}
$links = [];
foreach ($annotations->value as $entry) {
$annotation = PdfType::resolve($entry, $this->parser);
$value = PdfType::resolve(PdfDictionary::get($annotation, 'Subtype'), $this->parser);
if (!$value instanceof PdfName || $value->value !== 'Link') {
continue;
}
$dest = PdfType::resolve(PdfDictionary::get($annotation, 'Dest'), $this->parser);
if (!$dest instanceof PdfNull) {
continue;
}
$action = PdfType::resolve(PdfDictionary::get($annotation, 'A'), $this->parser);
if (!$action instanceof PdfDictionary) {
continue;
}
$actionType = PdfType::resolve(PdfDictionary::get($action, 'S'), $this->parser);
if (!$actionType instanceof PdfName || $actionType->value !== 'URI') {
continue;
}
$uri = PdfType::resolve(PdfDictionary::get($action, 'URI'), $this->parser);
if ($uri instanceof PdfString) {
$uriValue = PdfString::unescape($uri->value);
} elseif ($uri instanceof PdfHexString) {
$uriValue = \hex2bin($uri->value);
} else {
continue;
}
$rect = PdfType::resolve(PdfDictionary::get($annotation, 'Rect'), $this->parser);
if (!$rect instanceof PdfArray || \count($rect->value) !== 4) {
continue;
}
$rect = Rectangle::byPdfArray($rect, $this->parser);
if ($rect->getWidth() === 0 || $rect->getHeight() === 0) {
continue;
}
$bbox = $this->getBoundary($box);
$rotation = $this->getRotation();
$gs = new GraphicsState();
$gs->translate(-$bbox->getLlx(), -$bbox->getLly());
$gs->rotate($bbox->getLlx(), $bbox->getLly(), -$rotation);
switch ($rotation) {
case 90:
$gs->translate(-$bbox->getWidth(), 0);
break;
case 180:
$gs->translate(-$bbox->getWidth(), -$bbox->getHeight());
break;
case 270:
$gs->translate(0, -$bbox->getHeight());
break;
}
$normalizedRect = Rectangle::byVectors($gs->toUserSpace(new Vector($rect->getLlx(), $rect->getLly())), $gs->toUserSpace(new Vector($rect->getUrx(), $rect->getUry())));
$quadPoints = PdfType::resolve(PdfDictionary::get($annotation, 'QuadPoints'), $this->parser);
$normalizedQuadPoints = [];
if ($quadPoints instanceof PdfArray) {
$quadPointsCount = \count($quadPoints->value);
if ($quadPointsCount % 8 === 0) {
for ($i = 0; $i + 1 < $quadPointsCount; $i += 2) {
$x = PdfNumeric::ensure(PdfType::resolve($quadPoints->value[$i], $this->parser));
$y = PdfNumeric::ensure(PdfType::resolve($quadPoints->value[$i + 1], $this->parser));
$v = $gs->toUserSpace(new Vector($x->value, $y->value));
$normalizedQuadPoints[] = $v->getX();
$normalizedQuadPoints[] = $v->getY();
}
}
}
$links[] = ['rect' => $normalizedRect, 'quadPoints' => $normalizedQuadPoints, 'uri' => $uriValue, 'pdfObject' => $annotation];
}
return $links;
}
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi\PdfReader;
/**
* An abstract class for page boundary constants and some helper methods
*/
abstract class PageBoundaries
{
/**
* MediaBox
*
* The media box defines the boundaries of the physical medium on which the page is to be printed.
*
* @see PDF 32000-1:2008 - 14.11.2 Page Boundaries
* @var string
*/
const MEDIA_BOX = 'MediaBox';
/**
* CropBox
*
* The crop box defines the region to which the contents of the page shall be clipped (cropped) when displayed or
* printed.
*
* @see PDF 32000-1:2008 - 14.11.2 Page Boundaries
* @var string
*/
const CROP_BOX = 'CropBox';
/**
* BleedBox
*
* The bleed box defines the region to which the contents of the page shall be clipped when output in a
* production environment.
*
* @see PDF 32000-1:2008 - 14.11.2 Page Boundaries
* @var string
*/
const BLEED_BOX = 'BleedBox';
/**
* TrimBox
*
* The trim box defines the intended dimensions of the finished page after trimming.
*
* @see PDF 32000-1:2008 - 14.11.2 Page Boundaries
* @var string
*/
const TRIM_BOX = 'TrimBox';
/**
* ArtBox
*
* The art box defines the extent of the pages meaningful content (including potential white space) as intended
* by the pages creator.
*
* @see PDF 32000-1:2008 - 14.11.2 Page Boundaries
* @var string
*/
const ART_BOX = 'ArtBox';
/**
* All page boundaries
*
* @var array
*/
public static $all = array(self::MEDIA_BOX, self::CROP_BOX, self::BLEED_BOX, self::TRIM_BOX, self::ART_BOX);
/**
* Checks if a name is a valid page boundary name.
*
* @param string $name The boundary name
* @return boolean A boolean value whether the name is valid or not.
*/
public static function isValidName($name)
{
return \in_array($name, self::$all, \true);
}
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi\PdfReader;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\CrossReference\CrossReferenceException;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\PdfParser;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\PdfParserException;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfArray;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfDictionary;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfIndirectObject;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfIndirectObjectReference;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfNumeric;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfType;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfTypeException;
/**
* A PDF reader class
*/
class PdfReader
{
/**
* @var PdfParser
*/
protected $parser;
/**
* @var int
*/
protected $pageCount;
/**
* Indirect objects of resolved pages.
*
* @var PdfIndirectObjectReference[]|PdfIndirectObject[]
*/
protected $pages = [];
/**
* PdfReader constructor.
*
* @param PdfParser $parser
*/
public function __construct(PdfParser $parser)
{
$this->parser = $parser;
}
/**
* PdfReader destructor.
*/
public function __destruct()
{
if ($this->parser !== null) {
$this->parser->cleanUp();
}
}
/**
* Get the pdf parser instance.
*
* @return PdfParser
*/
public function getParser()
{
return $this->parser;
}
/**
* Get the PDF version.
*
* @return string
* @throws PdfParserException
*/
public function getPdfVersion()
{
return \implode('.', $this->parser->getPdfVersion());
}
/**
* Get the page count.
*
* @return int
* @throws PdfTypeException
* @throws CrossReferenceException
* @throws PdfParserException
*/
public function getPageCount()
{
if ($this->pageCount === null) {
$catalog = $this->parser->getCatalog();
$pages = PdfType::resolve(PdfDictionary::get($catalog, 'Pages'), $this->parser);
$count = PdfType::resolve(PdfDictionary::get($pages, 'Count'), $this->parser);
$this->pageCount = PdfNumeric::ensure($count)->value;
}
return $this->pageCount;
}
/**
* Get a page instance.
*
* @param int $pageNumber
* @return Page
* @throws PdfTypeException
* @throws CrossReferenceException
* @throws PdfParserException
* @throws \InvalidArgumentException
*/
public function getPage($pageNumber)
{
if (!\is_numeric($pageNumber)) {
throw new \InvalidArgumentException('Page number needs to be a number.');
}
if ($pageNumber < 1 || $pageNumber > $this->getPageCount()) {
throw new \InvalidArgumentException(\sprintf('Page number "%s" out of available page range (1 - %s)', $pageNumber, $this->getPageCount()));
}
$this->readPages();
$page = $this->pages[$pageNumber - 1];
if ($page instanceof PdfIndirectObjectReference) {
$readPages = function ($kids) use(&$readPages) {
$kids = PdfArray::ensure($kids);
/** @noinspection LoopWhichDoesNotLoopInspection */
foreach ($kids->value as $reference) {
$reference = PdfIndirectObjectReference::ensure($reference);
$object = $this->parser->getIndirectObject($reference->value);
$type = PdfDictionary::get($object->value, 'Type');
if ($type->value === 'Pages') {
return $readPages(PdfDictionary::get($object->value, 'Kids'));
}
return $object;
}
throw new PdfReaderException('Kids array cannot be empty.', PdfReaderException::KIDS_EMPTY);
};
$page = $this->parser->getIndirectObject($page->value);
$dict = PdfType::resolve($page, $this->parser);
$type = PdfDictionary::get($dict, 'Type');
if ($type->value === 'Pages') {
$kids = PdfType::resolve(PdfDictionary::get($dict, 'Kids'), $this->parser);
try {
$page = $this->pages[$pageNumber - 1] = $readPages($kids);
} catch (PdfReaderException $e) {
if ($e->getCode() !== PdfReaderException::KIDS_EMPTY) {
throw $e;
}
// let's reset the pages array and read all page objects
$this->pages = [];
$this->readPages(\true);
// @phpstan-ignore-next-line
$page = $this->pages[$pageNumber - 1];
}
} else {
$this->pages[$pageNumber - 1] = $page;
}
}
return new Page($page, $this->parser);
}
/**
* Walk the page tree and resolve all indirect objects of all pages.
*
* @param bool $readAll
* @throws CrossReferenceException
* @throws PdfParserException
* @throws PdfTypeException
*/
protected function readPages($readAll = \false)
{
if (\count($this->pages) > 0) {
return;
}
$expectedPageCount = $this->getPageCount();
$readPages = function ($kids, $count) use(&$readPages, $readAll, $expectedPageCount) {
$kids = PdfArray::ensure($kids);
$isLeaf = $count->value === \count($kids->value);
foreach ($kids->value as $reference) {
$reference = PdfIndirectObjectReference::ensure($reference);
if (!$readAll && $isLeaf) {
$this->pages[] = $reference;
continue;
}
$object = $this->parser->getIndirectObject($reference->value);
$type = PdfDictionary::get($object->value, 'Type');
if ($type->value === 'Pages') {
$readPages(PdfDictionary::get($object->value, 'Kids'), PdfDictionary::get($object->value, 'Count'));
} else {
$this->pages[] = $object;
}
// stop if all pages are read - faulty documents exists with additional entries with invalid data.
if (\count($this->pages) === $expectedPageCount) {
break;
}
}
};
$catalog = $this->parser->getCatalog();
$pages = PdfType::resolve(PdfDictionary::get($catalog, 'Pages'), $this->parser);
$count = PdfType::resolve(PdfDictionary::get($pages, 'Count'), $this->parser);
$kids = PdfType::resolve(PdfDictionary::get($pages, 'Kids'), $this->parser);
$readPages($kids, $count);
}
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi\PdfReader;
use WP_Ultimo\Dependencies\setasign\Fpdi\FpdiException;
/**
* Exception for the pdf reader class
*/
class PdfReaderException extends FpdiException
{
/**
* @var int
*/
const KIDS_EMPTY = 0x101;
/**
* @var int
*/
const UNEXPECTED_DATA_TYPE = 0x102;
/**
* @var int
*/
const MISSING_DATA = 0x103;
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi\Tcpdf;
use WP_Ultimo\Dependencies\setasign\Fpdi\FpdiException;
use WP_Ultimo\Dependencies\setasign\Fpdi\FpdiTrait;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\CrossReference\CrossReferenceException;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Filter\AsciiHex;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\PdfParserException;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfArray;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfDictionary;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfHexString;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfIndirectObject;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfName;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfNull;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfNumeric;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfStream;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfString;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfType;
use WP_Ultimo\Dependencies\setasign\Fpdi\PdfParser\Type\PdfTypeException;
/**
* Class Fpdi
*
* This class let you import pages of existing PDF documents into a reusable structure for TCPDF.
*
* @method _encrypt_data(int $n, string $s) string
*/
class Fpdi extends \WP_Ultimo\Dependencies\TCPDF
{
use FpdiTrait {
writePdfType as fpdiWritePdfType;
useImportedPage as fpdiUseImportedPage;
}
/**
* FPDI version
*
* @string
*/
const VERSION = '2.5.0';
/**
* A counter for template ids.
*
* @var int
*/
protected $templateId = 0;
/**
* The currently used object number.
*
* @var int|null
*/
protected $currentObjectNumber;
protected function _enddoc()
{
parent::_enddoc();
$this->cleanUp();
}
/**
* Get the next template id.
*
* @return int
*/
protected function getNextTemplateId()
{
return $this->templateId++;
}
/**
* Draws an imported page onto the page or another template.
*
* Give only one of the size parameters (width, height) to calculate the other one automatically in view to the
* aspect ratio.
*
* @param mixed $tpl The template id
* @param float|int|array $x The abscissa of upper-left corner. Alternatively you could use an assoc array
* with the keys "x", "y", "width", "height", "adjustPageSize".
* @param float|int $y The ordinate of upper-left corner.
* @param float|int|null $width The width.
* @param float|int|null $height The height.
* @param bool $adjustPageSize
* @return array The size
* @see FpdiTrait::getTemplateSize()
*/
public function useTemplate($tpl, $x = 0, $y = 0, $width = null, $height = null, $adjustPageSize = \false)
{
return $this->useImportedPage($tpl, $x, $y, $width, $height, $adjustPageSize);
}
/**
* Draws an imported page onto the page.
*
* Give only one of the size parameters (width, height) to calculate the other one automatically in view to the
* aspect ratio.
*
* @param mixed $pageId The page id
* @param float|int|array $x The abscissa of upper-left corner. Alternatively you could use an assoc array
* with the keys "x", "y", "width", "height", "adjustPageSize".
* @param float|int $y The ordinate of upper-left corner.
* @param float|int|null $width The width.
* @param float|int|null $height The height.
* @param bool $adjustPageSize
* @return array The size.
* @see Fpdi::getTemplateSize()
*/
public function useImportedPage($pageId, $x = 0, $y = 0, $width = null, $height = null, $adjustPageSize = \false)
{
$size = $this->fpdiUseImportedPage($pageId, $x, $y, $width, $height, $adjustPageSize);
if ($this->inxobj) {
$importedPage = $this->importedPages[$pageId];
$this->xobjects[$this->xobjid]['importedPages'][$importedPage['id']] = $pageId;
}
return $size;
}
/**
* Get the size of an imported page.
*
* Give only one of the size parameters (width, height) to calculate the other one automatically in view to the
* aspect ratio.
*
* @param mixed $tpl The template id
* @param float|int|null $width The width.
* @param float|int|null $height The height.
* @return array|bool An array with following keys: width, height, 0 (=width), 1 (=height), orientation (L or P)
*/
public function getTemplateSize($tpl, $width = null, $height = null)
{
return $this->getImportedPageSize($tpl, $width, $height);
}
/**
* @inheritdoc
* @return string
*/
protected function _getxobjectdict()
{
$out = parent::_getxobjectdict();
foreach ($this->importedPages as $pageData) {
$out .= '/' . $pageData['id'] . ' ' . $pageData['objectNumber'] . ' 0 R ';
}
return $out;
}
/**
* @inheritdoc
* @throws CrossReferenceException
* @throws PdfParserException
*/
protected function _putxobjects()
{
foreach ($this->importedPages as $key => $pageData) {
$this->currentObjectNumber = $this->_newobj();
$this->importedPages[$key]['objectNumber'] = $this->currentObjectNumber;
$this->currentReaderId = $pageData['readerId'];
$this->writePdfType($pageData['stream']);
$this->_put('endobj');
}
foreach (\array_keys($this->readers) as $readerId) {
$parser = $this->getPdfReader($readerId)->getParser();
$this->currentReaderId = $readerId;
while (($objectNumber = \array_pop($this->objectsToCopy[$readerId])) !== null) {
try {
$object = $parser->getIndirectObject($objectNumber);
} catch (CrossReferenceException $e) {
if ($e->getCode() === CrossReferenceException::OBJECT_NOT_FOUND) {
$object = PdfIndirectObject::create($objectNumber, 0, new PdfNull());
} else {
throw $e;
}
}
$this->writePdfType($object);
}
}
// let's prepare resources for imported pages in templates
foreach ($this->xobjects as $xObjectId => $data) {
if (!isset($data['importedPages'])) {
continue;
}
foreach ($data['importedPages'] as $id => $pageKey) {
$page = $this->importedPages[$pageKey];
$this->xobjects[$xObjectId]['xobjects'][$id] = ['n' => $page['objectNumber']];
}
}
parent::_putxobjects();
$this->currentObjectNumber = null;
}
/**
* Append content to the buffer of TCPDF.
*
* @param string $s
* @param bool $newLine
*/
protected function _put($s, $newLine = \true)
{
if ($newLine) {
$this->setBuffer($s . "\n");
} else {
$this->setBuffer($s);
}
}
/**
* Begin a new object and return the object number.
*
* @param int|string $objid Object ID (leave empty to get a new ID).
* @return int object number
*/
protected function _newobj($objid = '')
{
$this->_out($this->_getobj($objid));
return $this->n;
}
/**
* Writes a PdfType object to the resulting buffer.
*
* @param PdfType $value
* @throws PdfTypeException
*/
protected function writePdfType(PdfType $value)
{
if (!$this->encrypted) {
$this->fpdiWritePdfType($value);
return;
}
if ($value instanceof PdfString) {
$string = PdfString::unescape($value->value);
$string = $this->_encrypt_data($this->currentObjectNumber, $string);
$value->value = PdfString::escape($string);
} elseif ($value instanceof PdfHexString) {
$filter = new AsciiHex();
$string = $filter->decode($value->value);
$string = $this->_encrypt_data($this->currentObjectNumber, $string);
$value->value = $filter->encode($string, \true);
} elseif ($value instanceof PdfStream) {
$stream = $value->getStream();
$stream = $this->_encrypt_data($this->currentObjectNumber, $stream);
$dictionary = $value->value;
$dictionary->value['Length'] = PdfNumeric::create(\strlen($stream));
$value = PdfStream::create($dictionary, $stream);
} elseif ($value instanceof PdfIndirectObject) {
/**
* @var PdfIndirectObject $value
*/
$this->currentObjectNumber = $this->objectMap[$this->currentReaderId][$value->objectNumber];
}
$this->fpdiWritePdfType($value);
}
/**
* This method will add additional data to the last created link/annotation.
*
* It will copy styling properties (supported by TCPDF) of the imported link.
*
* @param array $externalLink
* @param float|int $xPt
* @param float|int $scaleX
* @param float|int $yPt
* @param float|int $newHeightPt
* @param float|int $scaleY
* @param array $importedPage
* @return void
*/
protected function adjustLastLink($externalLink, $xPt, $scaleX, $yPt, $newHeightPt, $scaleY, $importedPage)
{
$parser = $this->getPdfReader($importedPage['readerId'])->getParser();
if ($this->inxobj) {
// store parameters for later use on template
$lastAnnotationKey = \count($this->xobjects[$this->xobjid]['annotations']) - 1;
$lastAnnotationOpt =& $this->xobjects[$this->xobjid]['annotations'][$lastAnnotationKey]['opt'];
} else {
$lastAnnotationKey = \count($this->PageAnnots[$this->page]) - 1;
$lastAnnotationOpt =& $this->PageAnnots[$this->page][$lastAnnotationKey]['opt'];
}
// ensure we have a default value - otherwise TCPDF will set it to 4 throughout
$lastAnnotationOpt['f'] = 0;
$values = $externalLink['pdfObject']->value;
unset($values['P'], $values['NM'], $values['AP'], $values['AS'], $values['Type'], $values['Subtype'], $values['Rect'], $values['A'], $values['QuadPoints'], $values['Rotate'], $values['M'], $values['StructParent']);
foreach ($values as $key => $value) {
try {
switch ($key) {
case 'BS':
$value = PdfDictionary::ensure($value);
$bs = [];
if (isset($value->value['W'])) {
$bs['w'] = PdfNumeric::ensure(PdfType::resolve($value->value['W'], $parser))->value;
}
if (isset($value->value['S'])) {
$bs['s'] = PdfName::ensure(PdfType::resolve($value->value['S'], $parser))->value;
}
if (isset($value->value['D'])) {
$d = [];
foreach (PdfArray::ensure(PdfType::resolve($value->value['D'], $parser))->value as $item) {
$d[] = PdfNumeric::ensure(PdfType::resolve($item, $parser))->value;
}
$bs['d'] = $d;
}
$lastAnnotationOpt['bs'] = $bs;
break;
case 'Border':
$borderArray = PdfArray::ensure(PdfType::resolve($value, $parser))->value;
if (\count($borderArray) < 3) {
continue 2;
}
$border = [PdfNumeric::ensure(PdfType::resolve($borderArray[0], $parser))->value, PdfNumeric::ensure(PdfType::resolve($borderArray[1], $parser))->value, PdfNumeric::ensure(PdfType::resolve($borderArray[2], $parser))->value];
if (isset($borderArray[3])) {
$dashArray = [];
foreach (PdfArray::ensure(PdfType::resolve($borderArray[3], $parser))->value as $item) {
$dashArray[] = PdfNumeric::ensure(PdfType::resolve($item, $parser))->value;
}
$border[] = $dashArray;
}
$lastAnnotationOpt['border'] = $border;
break;
case 'C':
$c = [];
$colors = PdfArray::ensure(PdfType::resolve($value, $parser))->value;
$m = \count($colors) === 4 ? 100 : 255;
foreach ($colors as $item) {
$c[] = PdfNumeric::ensure(PdfType::resolve($item, $parser))->value * $m;
}
$lastAnnotationOpt['c'] = $c;
break;
case 'F':
$lastAnnotationOpt['f'] = $value->value;
break;
case 'BE':
// is broken in current TCPDF version: "bc" key is checked but "bs" is used.
break;
}
// let's silence invalid/not supported values
} catch (FpdiException $e) {
continue;
}
}
// QuadPoints are not supported by TCPDF
// if (count($externalLink['quadPoints']) > 0) {
// $quadPoints = [];
// for ($i = 0, $n = count($externalLink['quadPoints']); $i < $n; $i += 2) {
// $quadPoints[] = $xPt + $externalLink['quadPoints'][$i] * $scaleX;
// $quadPoints[] = $this->hPt - $yPt - $newHeightPt + $externalLink['quadPoints'][$i + 1] * $scaleY;
// }
//
// ????? = $quadPoints;
// }
}
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi;
/**
* Class TcpdfFpdi
*
* This class let you import pages of existing PDF documents into a reusable structure for TCPDF.
*
* @deprecated Class was moved to \setasign\Fpdi\Tcpdf\Fpdi
*/
class TcpdfFpdi extends \WP_Ultimo\Dependencies\setasign\Fpdi\Tcpdf\Fpdi
{
// this class is moved to \setasign\Fpdi\Tcpdf\Fpdi
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi\Tfpdf;
use WP_Ultimo\Dependencies\setasign\Fpdi\FpdfTplTrait;
/**
* Class FpdfTpl
*
* We need to change some access levels and implement the setPageFormat() method to bring back compatibility to tFPDF.
*/
class FpdfTpl extends \WP_Ultimo\Dependencies\tFPDF
{
use FpdfTplTrait;
}

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<?php
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
namespace WP_Ultimo\Dependencies\setasign\Fpdi\Tfpdf;
use WP_Ultimo\Dependencies\setasign\Fpdi\FpdfTrait;
use WP_Ultimo\Dependencies\setasign\Fpdi\FpdiTrait;
/**
* Class Fpdi
*
* This class let you import pages of existing PDF documents into a reusable structure for tFPDF.
*/
class Fpdi extends FpdfTpl
{
use FpdiTrait;
use FpdfTrait;
/**
* FPDI version
*
* @string
*/
const VERSION = '2.5.0';
}

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<?php
namespace WP_Ultimo\Dependencies;
/**
* This file is part of FPDI
*
* @package setasign\Fpdi
* @copyright Copyright (c) 2023 Setasign GmbH & Co. KG (https://www.setasign.com)
* @license http://opensource.org/licenses/mit-license The MIT License
*/
\spl_autoload_register(static function ($class) {
if (\strpos($class, 'setasign\\Fpdi\\') === 0) {
$filename = \str_replace('\\', \DIRECTORY_SEPARATOR, \substr($class, 14)) . '.php';
$fullpath = __DIR__ . \DIRECTORY_SEPARATOR . $filename;
if (\is_file($fullpath)) {
/** @noinspection PhpIncludeInspection */
require_once $fullpath;
}
}
});