<?php

namespace PhpOffice\PhpSpreadsheet\Writer\Xlsx;


> use PhpOffice\PhpSpreadsheet\Reader\Xlsx\Namespaces;


use PhpOffice\PhpSpreadsheet\Shared\XMLWriter;
use PhpOffice\PhpSpreadsheet\Spreadsheet;

> use PhpOffice\PhpSpreadsheet\Worksheet\BaseDrawing;


use PhpOffice\PhpSpreadsheet\Worksheet\MemoryDrawing;
use PhpOffice\PhpSpreadsheet\Writer\Exception as WriterException;

class Rels extends WriterPart
{
    /**
     * Write relationships to XML format.
     *

<      * @param Spreadsheet $spreadsheet
<      *
<      * @throws WriterException
<      *


     * @return string XML Output
     */
    public function writeRelationships(Spreadsheet $spreadsheet)
    {
        // Create XML writer
        $objWriter = null;
        if ($this->getParentWriter()->getUseDiskCaching()) {
            $objWriter = new XMLWriter(XMLWriter::STORAGE_DISK, $this->getParentWriter()->getDiskCachingDirectory());
        } else {
            $objWriter = new XMLWriter(XMLWriter::STORAGE_MEMORY);
        }

        // XML header
        $objWriter->startDocument('1.0', 'UTF-8', 'yes');

        // Relationships
        $objWriter->startElement('Relationships');

<         $objWriter->writeAttribute('xmlns', 'http://schemas.openxmlformats.org/package/2006/relationships');



>         $objWriter->writeAttribute('xmlns', Namespaces::RELATIONSHIPS);



        $customPropertyList = $spreadsheet->getProperties()->getCustomProperties();
        if (!empty($customPropertyList)) {
            // Relationship docProps/app.xml
            $this->writeRelationship(
                $objWriter,
                4,

<                 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/custom-properties',



>                 Namespaces::RELATIONSHIPS_CUSTOM_PROPERTIES,


                'docProps/custom.xml'
            );
        }

        // Relationship docProps/app.xml
        $this->writeRelationship(
            $objWriter,
            3,

<             'http://schemas.openxmlformats.org/officeDocument/2006/relationships/extended-properties',



>             Namespaces::RELATIONSHIPS_EXTENDED_PROPERTIES,


            'docProps/app.xml'
        );

        // Relationship docProps/core.xml
        $this->writeRelationship(
            $objWriter,
            2,

<             'http://schemas.openxmlformats.org/package/2006/relationships/metadata/core-properties',



>             Namespaces::CORE_PROPERTIES,


            'docProps/core.xml'
        );

        // Relationship xl/workbook.xml
        $this->writeRelationship(
            $objWriter,
            1,

<             'http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument',



>             Namespaces::OFFICE_DOCUMENT,


            'xl/workbook.xml'
        );
        // a custom UI in workbook ?

>         $target = $spreadsheet->getRibbonXMLData('target');


        if ($spreadsheet->hasRibbon()) {
            $this->writeRelationShip(
                $objWriter,
                5,

<                 'http://schemas.microsoft.com/office/2006/relationships/ui/extensibility',
<                 $spreadsheet->getRibbonXMLData('target')



>                 Namespaces::EXTENSIBILITY,
>                 is_string($target) ? $target : ''


            );
        }

        $objWriter->endElement();

        return $objWriter->getData();
    }

    /**
     * Write workbook relationships to XML format.
     *

<      * @param Spreadsheet $spreadsheet
<      *
<      * @throws WriterException
<      *


     * @return string XML Output
     */
    public function writeWorkbookRelationships(Spreadsheet $spreadsheet)
    {
        // Create XML writer
        $objWriter = null;
        if ($this->getParentWriter()->getUseDiskCaching()) {
            $objWriter = new XMLWriter(XMLWriter::STORAGE_DISK, $this->getParentWriter()->getDiskCachingDirectory());
        } else {
            $objWriter = new XMLWriter(XMLWriter::STORAGE_MEMORY);
        }

        // XML header
        $objWriter->startDocument('1.0', 'UTF-8', 'yes');

        // Relationships
        $objWriter->startElement('Relationships');

<         $objWriter->writeAttribute('xmlns', 'http://schemas.openxmlformats.org/package/2006/relationships');



>         $objWriter->writeAttribute('xmlns', Namespaces::RELATIONSHIPS);



        // Relationship styles.xml
        $this->writeRelationship(
            $objWriter,
            1,

<             'http://schemas.openxmlformats.org/officeDocument/2006/relationships/styles',



>             Namespaces::STYLES,


            'styles.xml'
        );

        // Relationship theme/theme1.xml
        $this->writeRelationship(
            $objWriter,
            2,

<             'http://schemas.openxmlformats.org/officeDocument/2006/relationships/theme',



>             Namespaces::THEME2,


            'theme/theme1.xml'
        );

        // Relationship sharedStrings.xml
        $this->writeRelationship(
            $objWriter,
            3,

<             'http://schemas.openxmlformats.org/officeDocument/2006/relationships/sharedStrings',



>             Namespaces::SHARED_STRINGS,


            'sharedStrings.xml'
        );

        // Relationships with sheets
        $sheetCount = $spreadsheet->getSheetCount();
        for ($i = 0; $i < $sheetCount; ++$i) {
            $this->writeRelationship(
                $objWriter,
                ($i + 1 + 3),

<                 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/worksheet',



>                 Namespaces::WORKSHEET,


                'worksheets/sheet' . ($i + 1) . '.xml'
            );
        }
        // Relationships for vbaProject if needed
        // id : just after the last sheet
        if ($spreadsheet->hasMacros()) {
            $this->writeRelationShip(
                $objWriter,
                ($i + 1 + 3),

<                 'http://schemas.microsoft.com/office/2006/relationships/vbaProject',



>                 Namespaces::VBA,


                'vbaProject.bin'
            );
            ++$i; //increment i if needed for an another relation
        }

        $objWriter->endElement();

        return $objWriter->getData();
    }

    /**
     * Write worksheet relationships to XML format.
     *
     * Numbering is as follows:
     *     rId1                 - Drawings
     *  rId_hyperlink_x     - Hyperlinks
     *

<      * @param \PhpOffice\PhpSpreadsheet\Worksheet\Worksheet $pWorksheet
<      * @param int $pWorksheetId



>      * @param int $worksheetId


     * @param bool $includeCharts Flag indicating if we should write charts

<      *
<      * @throws WriterException



>      * @param int $tableRef Table ID


     *
     * @return string XML Output
     */

<     public function writeWorksheetRelationships(\PhpOffice\PhpSpreadsheet\Worksheet\Worksheet $pWorksheet, $pWorksheetId = 1, $includeCharts = false)



>     public function writeWorksheetRelationships(\PhpOffice\PhpSpreadsheet\Worksheet\Worksheet $worksheet, $worksheetId = 1, $includeCharts = false, $tableRef = 1)


    {
        // Create XML writer
        $objWriter = null;
        if ($this->getParentWriter()->getUseDiskCaching()) {
            $objWriter = new XMLWriter(XMLWriter::STORAGE_DISK, $this->getParentWriter()->getDiskCachingDirectory());
        } else {
            $objWriter = new XMLWriter(XMLWriter::STORAGE_MEMORY);
        }

        // XML header
        $objWriter->startDocument('1.0', 'UTF-8', 'yes');

        // Relationships
        $objWriter->startElement('Relationships');

<         $objWriter->writeAttribute('xmlns', 'http://schemas.openxmlformats.org/package/2006/relationships');



>         $objWriter->writeAttribute('xmlns', Namespaces::RELATIONSHIPS);



        // Write drawing relationships?

<         $d = 0;


        $drawingOriginalIds = [];

<         $unparsedLoadedData = $pWorksheet->getParent()->getUnparsedLoadedData();
<         if (isset($unparsedLoadedData['sheets'][$pWorksheet->getCodeName()]['drawingOriginalIds'])) {
<             $drawingOriginalIds = $unparsedLoadedData['sheets'][$pWorksheet->getCodeName()]['drawingOriginalIds'];



>         $unparsedLoadedData = $worksheet->getParentOrThrow()->getUnparsedLoadedData();
>         if (isset($unparsedLoadedData['sheets'][$worksheet->getCodeName()]['drawingOriginalIds'])) {
>             $drawingOriginalIds = $unparsedLoadedData['sheets'][$worksheet->getCodeName()]['drawingOriginalIds'];


        }

        if ($includeCharts) {

<             $charts = $pWorksheet->getChartCollection();



>             $charts = $worksheet->getChartCollection();


        } else {
            $charts = [];
        }


<         if (($pWorksheet->getDrawingCollection()->count() > 0) || (count($charts) > 0) || $drawingOriginalIds) {
<             $relPath = '../drawings/drawing' . $pWorksheetId . '.xml';
<             $rId = ++$d;



>         if (($worksheet->getDrawingCollection()->count() > 0) || (count($charts) > 0) || $drawingOriginalIds) {
>             $rId = 1;




>             // Use original $relPath to get original $rId.
            if (isset($drawingOriginalIds[$relPath])) {
>             // Take first. In future can be overwritten.
                $rId = (int) (substr($drawingOriginalIds[$relPath], 3));
>             // (! synchronize with \PhpOffice\PhpSpreadsheet\Writer\Xlsx\Worksheet::writeDrawings)
            }
>             reset($drawingOriginalIds);

>             $relPath = key($drawingOriginalIds);


            $this->writeRelationship(

>             // Generate new $relPath to write drawing relationship
                $objWriter,
>             $relPath = '../drawings/drawing' . $worksheetId . '.xml';


                $rId,

<                 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/drawing',



>                 Namespaces::RELATIONSHIPS_DRAWING,


                $relPath
            );
        }

        // Write hyperlink relationships?
        $i = 1;

<         foreach ($pWorksheet->getHyperlinkCollection() as $hyperlink) {



>         foreach ($worksheet->getHyperlinkCollection() as $hyperlink) {


            if (!$hyperlink->isInternal()) {
                $this->writeRelationship(
                    $objWriter,
                    '_hyperlink_' . $i,

<                     'http://schemas.openxmlformats.org/officeDocument/2006/relationships/hyperlink',



>                     Namespaces::HYPERLINK,


                    $hyperlink->getUrl(),
                    'External'
                );

                ++$i;
            }
        }

        // Write comments relationship?
        $i = 1;

<         if (count($pWorksheet->getComments()) > 0) {



>         if (count($worksheet->getComments()) > 0 || isset($unparsedLoadedData['sheets'][$worksheet->getCodeName()]['legacyDrawing'])) {


            $this->writeRelationship(
                $objWriter,
                '_comments_vml' . $i,

<                 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/vmlDrawing',
<                 '../drawings/vmlDrawing' . $pWorksheetId . '.vml'



>                 Namespaces::VML,
>                 '../drawings/vmlDrawing' . $worksheetId . '.vml'


            );

>         }




>         if (count($worksheet->getComments()) > 0) {


            $this->writeRelationship(
                $objWriter,
                '_comments' . $i,

<                 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/comments',
<                 '../comments' . $pWorksheetId . '.xml'



>                 Namespaces::COMMENTS,
>                 '../comments' . $worksheetId . '.xml'
>             );
>         }
> 
>         // Write Table
>         $tableCount = $worksheet->getTableCollection()->count();
>         for ($i = 1; $i <= $tableCount; ++$i) {
>             $this->writeRelationship(
>                 $objWriter,
>                 '_table_' . $i,
>                 Namespaces::RELATIONSHIPS_TABLE,
>                 '../tables/table' . $tableRef++ . '.xml'


            );
        }

        // Write header/footer relationship?
        $i = 1;

<         if (count($pWorksheet->getHeaderFooter()->getImages()) > 0) {



>         if (count($worksheet->getHeaderFooter()->getImages()) > 0) {


            $this->writeRelationship(
                $objWriter,
                '_headerfooter_vml' . $i,

<                 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/vmlDrawing',
<                 '../drawings/vmlDrawingHF' . $pWorksheetId . '.vml'



>                 Namespaces::VML,
>                 '../drawings/vmlDrawingHF' . $worksheetId . '.vml'


            );
        }


<         $this->writeUnparsedRelationship($pWorksheet, $objWriter, 'ctrlProps', 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/ctrlProp');
<         $this->writeUnparsedRelationship($pWorksheet, $objWriter, 'vmlDrawings', 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/vmlDrawing');
<         $this->writeUnparsedRelationship($pWorksheet, $objWriter, 'printerSettings', 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/printerSettings');



>         $this->writeUnparsedRelationship($worksheet, $objWriter, 'ctrlProps', Namespaces::RELATIONSHIPS_CTRLPROP);
>         $this->writeUnparsedRelationship($worksheet, $objWriter, 'vmlDrawings', Namespaces::VML);
>         $this->writeUnparsedRelationship($worksheet, $objWriter, 'printerSettings', Namespaces::RELATIONSHIPS_PRINTER_SETTINGS);



        $objWriter->endElement();

        return $objWriter->getData();
    }


<     private function writeUnparsedRelationship(\PhpOffice\PhpSpreadsheet\Worksheet\Worksheet $pWorksheet, XMLWriter $objWriter, $relationship, $type)



>     private function writeUnparsedRelationship(\PhpOffice\PhpSpreadsheet\Worksheet\Worksheet $worksheet, XMLWriter $objWriter, string $relationship, string $type): void


    {

<         $unparsedLoadedData = $pWorksheet->getParent()->getUnparsedLoadedData();
<         if (!isset($unparsedLoadedData['sheets'][$pWorksheet->getCodeName()][$relationship])) {



>         $unparsedLoadedData = $worksheet->getParentOrThrow()->getUnparsedLoadedData();
>         if (!isset($unparsedLoadedData['sheets'][$worksheet->getCodeName()][$relationship])) {


            return;
        }


<         foreach ($unparsedLoadedData['sheets'][$pWorksheet->getCodeName()][$relationship] as $rId => $value) {



>         foreach ($unparsedLoadedData['sheets'][$worksheet->getCodeName()][$relationship] as $rId => $value) {
>             if (substr($rId, 0, 17) !== '_headerfooter_vml') {


            $this->writeRelationship(
                $objWriter,
                $rId,
                $type,
                $value['relFilePath']
            );
        }
    }

>     }



    /**
     * Write drawing relationships to XML format.
     *

<      * @param \PhpOffice\PhpSpreadsheet\Worksheet\Worksheet $pWorksheet
<      * @param int &$chartRef Chart ID



>      * @param int $chartRef Chart ID


     * @param bool $includeCharts Flag indicating if we should write charts
     *

<      * @throws WriterException
<      *


     * @return string XML Output
     */

<     public function writeDrawingRelationships(\PhpOffice\PhpSpreadsheet\Worksheet\Worksheet $pWorksheet, &$chartRef, $includeCharts = false)



>     public function writeDrawingRelationships(\PhpOffice\PhpSpreadsheet\Worksheet\Worksheet $worksheet, &$chartRef, $includeCharts = false)


    {
        // Create XML writer
        $objWriter = null;
        if ($this->getParentWriter()->getUseDiskCaching()) {
            $objWriter = new XMLWriter(XMLWriter::STORAGE_DISK, $this->getParentWriter()->getDiskCachingDirectory());
        } else {
            $objWriter = new XMLWriter(XMLWriter::STORAGE_MEMORY);
        }

        // XML header
        $objWriter->startDocument('1.0', 'UTF-8', 'yes');

        // Relationships
        $objWriter->startElement('Relationships');

<         $objWriter->writeAttribute('xmlns', 'http://schemas.openxmlformats.org/package/2006/relationships');



>         $objWriter->writeAttribute('xmlns', Namespaces::RELATIONSHIPS);



        // Loop through images and write relationships
        $i = 1;

<         $iterator = $pWorksheet->getDrawingCollection()->getIterator();



>         $iterator = $worksheet->getDrawingCollection()->getIterator();


        while ($iterator->valid()) {

<             if ($iterator->current() instanceof \PhpOffice\PhpSpreadsheet\Worksheet\Drawing
<                 || $iterator->current() instanceof MemoryDrawing) {
<                 // Write relationship for image drawing
<                 /** @var \PhpOffice\PhpSpreadsheet\Worksheet\Drawing $drawing */


                $drawing = $iterator->current();

>             if (
                $this->writeRelationship(
>                 $drawing instanceof \PhpOffice\PhpSpreadsheet\Worksheet\Drawing
                    $objWriter,
>                 || $drawing instanceof MemoryDrawing
                    $i,
>             ) {
                    'http://schemas.openxmlformats.org/officeDocument/2006/relationships/image',
>                 // Write relationship for image drawing



<                     'http://schemas.openxmlformats.org/officeDocument/2006/relationships/image',
<                     '../media/' . str_replace(' ', '', $drawing->getIndexedFilename())



>                     Namespaces::IMAGE,
>                     '../media/' . $drawing->getIndexedFilename()



                $i = $this->writeDrawingHyperLink($objWriter, $drawing, $i);
            }

            $iterator->next();
            ++$i;
        }

        if ($includeCharts) {
            // Loop through charts and write relationships

<             $chartCount = $pWorksheet->getChartCount();



>             $chartCount = $worksheet->getChartCount();


            if ($chartCount > 0) {
                for ($c = 0; $c < $chartCount; ++$c) {
                    $this->writeRelationship(
                        $objWriter,
                        $i++,

<                         'http://schemas.openxmlformats.org/officeDocument/2006/relationships/chart',



>                         Namespaces::RELATIONSHIPS_CHART,


                        '../charts/chart' . ++$chartRef . '.xml'
                    );
                }
            }
        }

        $objWriter->endElement();

        return $objWriter->getData();
    }

    /**
     * Write header/footer drawing relationships to XML format.
     *

<      * @param \PhpOffice\PhpSpreadsheet\Worksheet\Worksheet $pWorksheet
<      *
<      * @throws WriterException
<      *


     * @return string XML Output
     */

<     public function writeHeaderFooterDrawingRelationships(\PhpOffice\PhpSpreadsheet\Worksheet\Worksheet $pWorksheet)



>     public function writeHeaderFooterDrawingRelationships(\PhpOffice\PhpSpreadsheet\Worksheet\Worksheet $worksheet)


    {
        // Create XML writer
        $objWriter = null;
        if ($this->getParentWriter()->getUseDiskCaching()) {
            $objWriter = new XMLWriter(XMLWriter::STORAGE_DISK, $this->getParentWriter()->getDiskCachingDirectory());
        } else {
            $objWriter = new XMLWriter(XMLWriter::STORAGE_MEMORY);
        }

        // XML header
        $objWriter->startDocument('1.0', 'UTF-8', 'yes');

        // Relationships
        $objWriter->startElement('Relationships');

<         $objWriter->writeAttribute('xmlns', 'http://schemas.openxmlformats.org/package/2006/relationships');



>         $objWriter->writeAttribute('xmlns', Namespaces::RELATIONSHIPS);



        // Loop through images and write relationships

<         foreach ($pWorksheet->getHeaderFooter()->getImages() as $key => $value) {



>         foreach ($worksheet->getHeaderFooter()->getImages() as $key => $value) {


            // Write relationship for image drawing
            $this->writeRelationship(
                $objWriter,
                $key,

<                 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/image',



>                 Namespaces::IMAGE,


                '../media/' . $value->getIndexedFilename()
            );
        }

        $objWriter->endElement();

        return $objWriter->getData();
    }


>     public function writeVMLDrawingRelationships(\PhpOffice\PhpSpreadsheet\Worksheet\Worksheet $worksheet): string
    /**
>     {
     * Write Override content type.
>         // Create XML writer
     *
>         $objWriter = null;
     * @param XMLWriter $objWriter XML Writer
>         if ($this->getParentWriter()->getUseDiskCaching()) {
     * @param int $pId Relationship ID. rId will be prepended!
>             $objWriter = new XMLWriter(XMLWriter::STORAGE_DISK, $this->getParentWriter()->getDiskCachingDirectory());
     * @param string $pType Relationship type
>         } else {
     * @param string $pTarget Relationship target
>             $objWriter = new XMLWriter(XMLWriter::STORAGE_MEMORY);
     * @param string $pTargetMode Relationship target mode
>         }
     *
> 
     * @throws WriterException
>         // XML header
     */
>         $objWriter->startDocument('1.0', 'UTF-8', 'yes');
    private function writeRelationship(XMLWriter $objWriter, $pId, $pType, $pTarget, $pTargetMode = '')
> 
    {
>         // Relationships
        if ($pType != '' && $pTarget != '') {
>         $objWriter->startElement('Relationships');
            // Write relationship
>         $objWriter->writeAttribute('xmlns', Namespaces::RELATIONSHIPS);
            $objWriter->startElement('Relationship');
> 
            $objWriter->writeAttribute('Id', 'rId' . $pId);
>         // Loop through images and write relationships
            $objWriter->writeAttribute('Type', $pType);
>         foreach ($worksheet->getComments() as $comment) {
            $objWriter->writeAttribute('Target', $pTarget);
>             if (!$comment->hasBackgroundImage()) {

>                 continue;
            if ($pTargetMode != '') {
>             }
                $objWriter->writeAttribute('TargetMode', $pTargetMode);
> 
            }
>             $bgImage = $comment->getBackgroundImage();

>             $this->writeRelationship(
            $objWriter->endElement();
>                 $objWriter,
        } else {
>                 $bgImage->getImageIndex(),
            throw new WriterException('Invalid parameters passed.');
>                 Namespaces::IMAGE,
        }
>                 '../media/' . $bgImage->getMediaFilename()
    }
>             );

>         }
    /**
> 
     * @param $objWriter
>         $objWriter->endElement();
     * @param \PhpOffice\PhpSpreadsheet\Worksheet\Drawing $drawing
> 
     * @param $i
>         return $objWriter->getData();
     *
>     }
     * @throws WriterException
> 



<      * @param XMLWriter $objWriter XML Writer
<      * @param int $pId Relationship ID. rId will be prepended!
<      * @param string $pType Relationship type
<      * @param string $pTarget Relationship target
<      * @param string $pTargetMode Relationship target mode
<      *
<      * @throws WriterException



>      * @param int|string $id Relationship ID. rId will be prepended!
>      * @param string $type Relationship type
>      * @param string $target Relationship target
>      * @param string $targetMode Relationship target mode



<     private function writeRelationship(XMLWriter $objWriter, $pId, $pType, $pTarget, $pTargetMode = '')



>     private function writeRelationship(XMLWriter $objWriter, $id, $type, $target, $targetMode = ''): void



<         if ($pType != '' && $pTarget != '') {



>         if ($type != '' && $target != '') {



<             $objWriter->writeAttribute('Id', 'rId' . $pId);
<             $objWriter->writeAttribute('Type', $pType);
<             $objWriter->writeAttribute('Target', $pTarget);



>             $objWriter->writeAttribute('Id', 'rId' . $id);
>             $objWriter->writeAttribute('Type', $type);
>             $objWriter->writeAttribute('Target', $target);



<             if ($pTargetMode != '') {
<                 $objWriter->writeAttribute('TargetMode', $pTargetMode);



>             if ($targetMode != '') {
>                 $objWriter->writeAttribute('TargetMode', $targetMode);



<     /**
<      * @param $objWriter
<      * @param \PhpOffice\PhpSpreadsheet\Worksheet\Drawing $drawing
<      * @param $i
<      *
<      * @throws WriterException
<      *
<      * @return int
<      */
<     private function writeDrawingHyperLink($objWriter, $drawing, $i)



>     private function writeDrawingHyperLink(XMLWriter $objWriter, BaseDrawing $drawing, int $i): int



<             'http://schemas.openxmlformats.org/officeDocument/2006/relationships/hyperlink',



>             Namespaces::HYPERLINK,