init

lib/PhpSpreadsheet/Reader/Xml/DataValidations.php

@@ -0,0 +1,177 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Reader\Xml;
+
+use PhpOffice\PhpSpreadsheet\Cell\AddressHelper;
+use PhpOffice\PhpSpreadsheet\Cell\AddressRange;
+use PhpOffice\PhpSpreadsheet\Cell\Coordinate;
+use PhpOffice\PhpSpreadsheet\Cell\DataValidation;
+use PhpOffice\PhpSpreadsheet\Reader\Xlsx\Namespaces;
+use PhpOffice\PhpSpreadsheet\Spreadsheet;
+use SimpleXMLElement;
+
+class DataValidations
+{
+    private const OPERATOR_MAPPINGS = [
+        'between' => DataValidation::OPERATOR_BETWEEN,
+        'equal' => DataValidation::OPERATOR_EQUAL,
+        'greater' => DataValidation::OPERATOR_GREATERTHAN,
+        'greaterorequal' => DataValidation::OPERATOR_GREATERTHANOREQUAL,
+        'less' => DataValidation::OPERATOR_LESSTHAN,
+        'lessorequal' => DataValidation::OPERATOR_LESSTHANOREQUAL,
+        'notbetween' => DataValidation::OPERATOR_NOTBETWEEN,
+        'notequal' => DataValidation::OPERATOR_NOTEQUAL,
+    ];
+
+    private const TYPE_MAPPINGS = [
+        'textlength' => DataValidation::TYPE_TEXTLENGTH,
+    ];
+
+    private int $thisRow = 0;
+
+    private int $thisColumn = 0;
+
+    private function replaceR1C1(array $matches): string
+    {
+        return AddressHelper::convertToA1($matches[0], $this->thisRow, $this->thisColumn, false);
+    }
+
+    public function loadDataValidations(SimpleXMLElement $worksheet, Spreadsheet $spreadsheet): void
+    {
+        $xmlX = $worksheet->children(Namespaces::URN_EXCEL);
+        $sheet = $spreadsheet->getActiveSheet();
+        /** @var callable $pregCallback */
+        $pregCallback = [$this, 'replaceR1C1'];
+        foreach ($xmlX->DataValidation as $dataValidation) {
+            $cells = [];
+            $validation = new DataValidation();
+
+            // set defaults
+            $validation->setShowDropDown(true);
+            $validation->setShowInputMessage(true);
+            $validation->setShowErrorMessage(true);
+            $validation->setShowDropDown(true);
+            $this->thisRow = 1;
+            $this->thisColumn = 1;
+
+            foreach ($dataValidation as $tagName => $tagValue) {
+                $tagValue = (string) $tagValue;
+                $tagValueLower = strtolower($tagValue);
+                switch ($tagName) {
+                    case 'Range':
+                        foreach (explode(',', $tagValue) as $range) {
+                            $cell = '';
+                            if (preg_match('/^R(\d+)C(\d+):R(\d+)C(\d+)$/', (string) $range, $selectionMatches) === 1) {
+                                // range
+                                $firstCell = Coordinate::stringFromColumnIndex((int) $selectionMatches[2])
+                                    . $selectionMatches[1];
+                                $cell = $firstCell
+                                    . ':'
+                                    . Coordinate::stringFromColumnIndex((int) $selectionMatches[4])
+                                    . $selectionMatches[3];
+                                $this->thisRow = (int) $selectionMatches[1];
+                                $this->thisColumn = (int) $selectionMatches[2];
+                                $sheet->getCell($firstCell);
+                            } elseif (preg_match('/^R(\d+)C(\d+)$/', (string) $range, $selectionMatches) === 1) {
+                                // cell
+                                $cell = Coordinate::stringFromColumnIndex((int) $selectionMatches[2])
+                                    . $selectionMatches[1];
+                                $sheet->getCell($cell);
+                                $this->thisRow = (int) $selectionMatches[1];
+                                $this->thisColumn = (int) $selectionMatches[2];
+                            } elseif (preg_match('/^C(\d+)$/', (string) $range, $selectionMatches) === 1) {
+                                // column
+                                $firstCell = Coordinate::stringFromColumnIndex((int) $selectionMatches[1])
+                                    . '1';
+                                $cell = $firstCell
+                                    . ':'
+                                    . Coordinate::stringFromColumnIndex((int) $selectionMatches[1])
+                                    . ((string) AddressRange::MAX_ROW);
+                                $this->thisColumn = (int) $selectionMatches[1];
+                                $sheet->getCell($firstCell);
+                            } elseif (preg_match('/^R(\d+)$/', (string) $range, $selectionMatches)) {
+                                // row
+                                $firstCell = 'A'
+                                    . $selectionMatches[1];
+                                $cell = $firstCell
+                                    . ':'
+                                    . AddressRange::MAX_COLUMN
+                                    . $selectionMatches[1];
+                                $this->thisRow = (int) $selectionMatches[1];
+                                $sheet->getCell($firstCell);
+                            }
+
+                            $validation->setSqref($cell);
+                            $stRange = $sheet->shrinkRangeToFit($cell);
+                            $cells = array_merge($cells, Coordinate::extractAllCellReferencesInRange($stRange));
+                        }
+
+                        break;
+                    case 'Type':
+                        $validation->setType(self::TYPE_MAPPINGS[$tagValueLower] ?? $tagValueLower);
+
+                        break;
+                    case 'Qualifier':
+                        $validation->setOperator(self::OPERATOR_MAPPINGS[$tagValueLower] ?? $tagValueLower);
+
+                        break;
+                    case 'InputTitle':
+                        $validation->setPromptTitle($tagValue);
+
+                        break;
+                    case 'InputMessage':
+                        $validation->setPrompt($tagValue);
+
+                        break;
+                    case 'InputHide':
+                        $validation->setShowInputMessage(false);
+
+                        break;
+                    case 'ErrorStyle':
+                        $validation->setErrorStyle($tagValueLower);
+
+                        break;
+                    case 'ErrorTitle':
+                        $validation->setErrorTitle($tagValue);
+
+                        break;
+                    case 'ErrorMessage':
+                        $validation->setError($tagValue);
+
+                        break;
+                    case 'ErrorHide':
+                        $validation->setShowErrorMessage(false);
+
+                        break;
+                    case 'ComboHide':
+                        $validation->setShowDropDown(false);
+
+                        break;
+                    case 'UseBlank':
+                        $validation->setAllowBlank(true);
+
+                        break;
+                    case 'CellRangeList':
+                        // FIXME missing FIXME
+
+                        break;
+                    case 'Min':
+                    case 'Value':
+                        $tagValue = (string) preg_replace_callback(AddressHelper::R1C1_COORDINATE_REGEX, $pregCallback, $tagValue);
+                        $validation->setFormula1($tagValue);
+
+                        break;
+                    case 'Max':
+                        $tagValue = (string) preg_replace_callback(AddressHelper::R1C1_COORDINATE_REGEX, $pregCallback, $tagValue);
+                        $validation->setFormula2($tagValue);
+
+                        break;
+                }
+            }
+
+            foreach ($cells as $cell) {
+                $sheet->getCell($cell)->setDataValidation(clone $validation);
+            }
+        }
+    }
+}

lib/PhpSpreadsheet/Reader/Xml/PageSettings.php

@@ -0,0 +1,130 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Reader\Xml;
+
+use PhpOffice\PhpSpreadsheet\Reader\Xlsx\Namespaces;
+use PhpOffice\PhpSpreadsheet\Spreadsheet;
+use PhpOffice\PhpSpreadsheet\Worksheet\PageSetup;
+use SimpleXMLElement;
+use stdClass;
+
+class PageSettings
+{
+    private stdClass $printSettings;
+
+    public function __construct(SimpleXMLElement $xmlX)
+    {
+        $printSettings = $this->pageSetup($xmlX, $this->getPrintDefaults());
+        $this->printSettings = $this->printSetup($xmlX, $printSettings);
+    }
+
+    public function loadPageSettings(Spreadsheet $spreadsheet): void
+    {
+        $spreadsheet->getActiveSheet()->getPageSetup()
+            ->setPaperSize($this->printSettings->paperSize)
+            ->setOrientation($this->printSettings->orientation)
+            ->setScale($this->printSettings->scale)
+            ->setVerticalCentered($this->printSettings->verticalCentered)
+            ->setHorizontalCentered($this->printSettings->horizontalCentered)
+            ->setPageOrder($this->printSettings->printOrder);
+        $spreadsheet->getActiveSheet()->getPageMargins()
+            ->setTop($this->printSettings->topMargin)
+            ->setHeader($this->printSettings->headerMargin)
+            ->setLeft($this->printSettings->leftMargin)
+            ->setRight($this->printSettings->rightMargin)
+            ->setBottom($this->printSettings->bottomMargin)
+            ->setFooter($this->printSettings->footerMargin);
+    }
+
+    private function getPrintDefaults(): stdClass
+    {
+        return (object) [
+            'paperSize' => 9,
+            'orientation' => PageSetup::ORIENTATION_DEFAULT,
+            'scale' => 100,
+            'horizontalCentered' => false,
+            'verticalCentered' => false,
+            'printOrder' => PageSetup::PAGEORDER_DOWN_THEN_OVER,
+            'topMargin' => 0.75,
+            'headerMargin' => 0.3,
+            'leftMargin' => 0.7,
+            'rightMargin' => 0.7,
+            'bottomMargin' => 0.75,
+            'footerMargin' => 0.3,
+        ];
+    }
+
+    private function pageSetup(SimpleXMLElement $xmlX, stdClass $printDefaults): stdClass
+    {
+        if (isset($xmlX->WorksheetOptions->PageSetup)) {
+            foreach ($xmlX->WorksheetOptions->PageSetup as $pageSetupData) {
+                foreach ($pageSetupData as $pageSetupKey => $pageSetupValue) {
+                    $pageSetupAttributes = $pageSetupValue->attributes(Namespaces::URN_EXCEL);
+                    if ($pageSetupAttributes !== null) {
+                        switch ($pageSetupKey) {
+                            case 'Layout':
+                                $this->setLayout($printDefaults, $pageSetupAttributes);
+
+                                break;
+                            case 'Header':
+                                $printDefaults->headerMargin = (float) $pageSetupAttributes->Margin ?: 1.0;
+
+                                break;
+                            case 'Footer':
+                                $printDefaults->footerMargin = (float) $pageSetupAttributes->Margin ?: 1.0;
+
+                                break;
+                            case 'PageMargins':
+                                $this->setMargins($printDefaults, $pageSetupAttributes);
+
+                                break;
+                        }
+                    }
+                }
+            }
+        }
+
+        return $printDefaults;
+    }
+
+    private function printSetup(SimpleXMLElement $xmlX, stdClass $printDefaults): stdClass
+    {
+        if (isset($xmlX->WorksheetOptions->Print)) {
+            foreach ($xmlX->WorksheetOptions->Print as $printData) {
+                foreach ($printData as $printKey => $printValue) {
+                    switch ($printKey) {
+                        case 'LeftToRight':
+                            $printDefaults->printOrder = PageSetup::PAGEORDER_OVER_THEN_DOWN;
+
+                            break;
+                        case 'PaperSizeIndex':
+                            $printDefaults->paperSize = (int) $printValue ?: 9;
+
+                            break;
+                        case 'Scale':
+                            $printDefaults->scale = (int) $printValue ?: 100;
+
+                            break;
+                    }
+                }
+            }
+        }
+
+        return $printDefaults;
+    }
+
+    private function setLayout(stdClass $printDefaults, SimpleXMLElement $pageSetupAttributes): void
+    {
+        $printDefaults->orientation = (string) strtolower($pageSetupAttributes->Orientation ?? '') ?: PageSetup::ORIENTATION_PORTRAIT;
+        $printDefaults->horizontalCentered = (bool) $pageSetupAttributes->CenterHorizontal ?: false;
+        $printDefaults->verticalCentered = (bool) $pageSetupAttributes->CenterVertical ?: false;
+    }
+
+    private function setMargins(stdClass $printDefaults, SimpleXMLElement $pageSetupAttributes): void
+    {
+        $printDefaults->leftMargin = (float) $pageSetupAttributes->Left ?: 1.0;
+        $printDefaults->rightMargin = (float) $pageSetupAttributes->Right ?: 1.0;
+        $printDefaults->topMargin = (float) $pageSetupAttributes->Top ?: 1.0;
+        $printDefaults->bottomMargin = (float) $pageSetupAttributes->Bottom ?: 1.0;
+    }
+}

lib/PhpSpreadsheet/Reader/Xml/Properties.php

@@ -0,0 +1,155 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Reader\Xml;
+
+use PhpOffice\PhpSpreadsheet\Document\Properties as DocumentProperties;
+use PhpOffice\PhpSpreadsheet\Spreadsheet;
+use SimpleXMLElement;
+
+class Properties
+{
+    protected Spreadsheet $spreadsheet;
+
+    public function __construct(Spreadsheet $spreadsheet)
+    {
+        $this->spreadsheet = $spreadsheet;
+    }
+
+    public function readProperties(SimpleXMLElement $xml, array $namespaces): void
+    {
+        $this->readStandardProperties($xml);
+        $this->readCustomProperties($xml, $namespaces);
+    }
+
+    protected function readStandardProperties(SimpleXMLElement $xml): void
+    {
+        if (isset($xml->DocumentProperties[0])) {
+            $docProps = $this->spreadsheet->getProperties();
+
+            foreach ($xml->DocumentProperties[0] as $propertyName => $propertyValue) {
+                $propertyValue = (string) $propertyValue;
+
+                $this->processStandardProperty($docProps, $propertyName, $propertyValue);
+            }
+        }
+    }
+
+    protected function readCustomProperties(SimpleXMLElement $xml, array $namespaces): void
+    {
+        if (isset($xml->CustomDocumentProperties) && is_iterable($xml->CustomDocumentProperties[0])) {
+            $docProps = $this->spreadsheet->getProperties();
+
+            foreach ($xml->CustomDocumentProperties[0] as $propertyName => $propertyValue) {
+                $propertyAttributes = self::getAttributes($propertyValue, $namespaces['dt']);
+                $propertyName = (string) preg_replace_callback('/_x([0-9a-f]{4})_/i', [$this, 'hex2str'], $propertyName);
+
+                $this->processCustomProperty($docProps, $propertyName, $propertyValue, $propertyAttributes);
+            }
+        }
+    }
+
+    protected function processStandardProperty(
+        DocumentProperties $docProps,
+        string $propertyName,
+        string $stringValue
+    ): void {
+        switch ($propertyName) {
+            case 'Title':
+                $docProps->setTitle($stringValue);
+
+                break;
+            case 'Subject':
+                $docProps->setSubject($stringValue);
+
+                break;
+            case 'Author':
+                $docProps->setCreator($stringValue);
+
+                break;
+            case 'Created':
+                $docProps->setCreated($stringValue);
+
+                break;
+            case 'LastAuthor':
+                $docProps->setLastModifiedBy($stringValue);
+
+                break;
+            case 'LastSaved':
+                $docProps->setModified($stringValue);
+
+                break;
+            case 'Company':
+                $docProps->setCompany($stringValue);
+
+                break;
+            case 'Category':
+                $docProps->setCategory($stringValue);
+
+                break;
+            case 'Manager':
+                $docProps->setManager($stringValue);
+
+                break;
+            case 'HyperlinkBase':
+                $docProps->setHyperlinkBase($stringValue);
+
+                break;
+            case 'Keywords':
+                $docProps->setKeywords($stringValue);
+
+                break;
+            case 'Description':
+                $docProps->setDescription($stringValue);
+
+                break;
+        }
+    }
+
+    protected function processCustomProperty(
+        DocumentProperties $docProps,
+        string $propertyName,
+        ?SimpleXMLElement $propertyValue,
+        SimpleXMLElement $propertyAttributes
+    ): void {
+        switch ((string) $propertyAttributes) {
+            case 'boolean':
+                $propertyType = DocumentProperties::PROPERTY_TYPE_BOOLEAN;
+                $propertyValue = (bool) (string) $propertyValue;
+
+                break;
+            case 'integer':
+                $propertyType = DocumentProperties::PROPERTY_TYPE_INTEGER;
+                $propertyValue = (int) $propertyValue;
+
+                break;
+            case 'float':
+                $propertyType = DocumentProperties::PROPERTY_TYPE_FLOAT;
+                $propertyValue = (float) $propertyValue;
+
+                break;
+            case 'dateTime.tz':
+            case 'dateTime.iso8601tz':
+                $propertyType = DocumentProperties::PROPERTY_TYPE_DATE;
+                $propertyValue = trim((string) $propertyValue);
+
+                break;
+            default:
+                $propertyType = DocumentProperties::PROPERTY_TYPE_STRING;
+                $propertyValue = trim((string) $propertyValue);
+
+                break;
+        }
+
+        $docProps->setCustomProperty($propertyName, $propertyValue, $propertyType);
+    }
+
+    protected function hex2str(array $hex): string
+    {
+        return mb_chr((int) hexdec($hex[1]), 'UTF-8');
+    }
+
+    private static function getAttributes(?SimpleXMLElement $simple, string $node): SimpleXMLElement
+    {
+        return ($simple === null) ? new SimpleXMLElement('<xml></xml>') : ($simple->attributes($node) ?? new SimpleXMLElement('<xml></xml>'));
+    }
+}

lib/PhpSpreadsheet/Reader/Xml/Style.php

@@ -0,0 +1,105 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Reader\Xml;
+
+use PhpOffice\PhpSpreadsheet\Style\Protection;
+use SimpleXMLElement;
+
+class Style
+{
+    /**
+     * Formats.
+     */
+    protected array $styles = [];
+
+    public function parseStyles(SimpleXMLElement $xml, array $namespaces): array
+    {
+        if (!isset($xml->Styles) || !is_iterable($xml->Styles[0])) {
+            return [];
+        }
+
+        $alignmentStyleParser = new Style\Alignment();
+        $borderStyleParser = new Style\Border();
+        $fontStyleParser = new Style\Font();
+        $fillStyleParser = new Style\Fill();
+        $numberFormatStyleParser = new Style\NumberFormat();
+
+        foreach ($xml->Styles[0] as $style) {
+            $style_ss = self::getAttributes($style, $namespaces['ss']);
+            $styleID = (string) $style_ss['ID'];
+            $this->styles[$styleID] = $this->styles['Default'] ?? [];
+
+            $alignment = $border = $font = $fill = $numberFormat = $protection = [];
+
+            foreach ($style as $styleType => $styleDatax) {
+                $styleData = self::getSxml($styleDatax);
+                $styleAttributes = $styleData->attributes($namespaces['ss']);
+
+                switch ($styleType) {
+                    case 'Alignment':
+                        if ($styleAttributes) {
+                            $alignment = $alignmentStyleParser->parseStyle($styleAttributes);
+                        }
+
+                        break;
+                    case 'Borders':
+                        $border = $borderStyleParser->parseStyle($styleData, $namespaces);
+
+                        break;
+                    case 'Font':
+                        if ($styleAttributes) {
+                            $font = $fontStyleParser->parseStyle($styleAttributes);
+                        }
+
+                        break;
+                    case 'Interior':
+                        if ($styleAttributes) {
+                            $fill = $fillStyleParser->parseStyle($styleAttributes);
+                        }
+
+                        break;
+                    case 'NumberFormat':
+                        if ($styleAttributes) {
+                            $numberFormat = $numberFormatStyleParser->parseStyle($styleAttributes);
+                        }
+
+                        break;
+                    case 'Protection':
+                        $locked = $hidden = null;
+                        $styleAttributesP = $styleData->attributes($namespaces['x']);
+                        if (isset($styleAttributes['Protected'])) {
+                            $locked = ((bool) (string) $styleAttributes['Protected']) ? Protection::PROTECTION_PROTECTED : Protection::PROTECTION_UNPROTECTED;
+                        }
+                        if (isset($styleAttributesP['HideFormula'])) {
+                            $hidden = ((bool) (string) $styleAttributesP['HideFormula']) ? Protection::PROTECTION_PROTECTED : Protection::PROTECTION_UNPROTECTED;
+                        }
+                        if ($locked !== null || $hidden !== null) {
+                            $protection['protection'] = [];
+                            if ($locked !== null) {
+                                $protection['protection']['locked'] = $locked;
+                            }
+                            if ($hidden !== null) {
+                                $protection['protection']['hidden'] = $hidden;
+                            }
+                        }
+
+                        break;
+                }
+            }
+
+            $this->styles[$styleID] = array_merge($alignment, $border, $font, $fill, $numberFormat, $protection);
+        }
+
+        return $this->styles;
+    }
+
+    private static function getAttributes(?SimpleXMLElement $simple, string $node): SimpleXMLElement
+    {
+        return ($simple === null) ? new SimpleXMLElement('<xml></xml>') : ($simple->attributes($node) ?? new SimpleXMLElement('<xml></xml>'));
+    }
+
+    private static function getSxml(?SimpleXMLElement $simple): SimpleXMLElement
+    {
+        return ($simple !== null) ? $simple : new SimpleXMLElement('<xml></xml>');
+    }
+}

lib/PhpSpreadsheet/Reader/Xml/Style/Alignment.php

@@ -0,0 +1,58 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Reader\Xml\Style;
+
+use PhpOffice\PhpSpreadsheet\Style\Alignment as AlignmentStyles;
+use SimpleXMLElement;
+
+class Alignment extends StyleBase
+{
+    protected const VERTICAL_ALIGNMENT_STYLES = [
+        AlignmentStyles::VERTICAL_BOTTOM,
+        AlignmentStyles::VERTICAL_TOP,
+        AlignmentStyles::VERTICAL_CENTER,
+        AlignmentStyles::VERTICAL_JUSTIFY,
+    ];
+
+    protected const HORIZONTAL_ALIGNMENT_STYLES = [
+        AlignmentStyles::HORIZONTAL_GENERAL,
+        AlignmentStyles::HORIZONTAL_LEFT,
+        AlignmentStyles::HORIZONTAL_RIGHT,
+        AlignmentStyles::HORIZONTAL_CENTER,
+        AlignmentStyles::HORIZONTAL_CENTER_CONTINUOUS,
+        AlignmentStyles::HORIZONTAL_JUSTIFY,
+    ];
+
+    public function parseStyle(SimpleXMLElement $styleAttributes): array
+    {
+        $style = [];
+
+        foreach ($styleAttributes as $styleAttributeKey => $styleAttributeValue) {
+            $styleAttributeValue = (string) $styleAttributeValue;
+            switch ($styleAttributeKey) {
+                case 'Vertical':
+                    if (self::identifyFixedStyleValue(self::VERTICAL_ALIGNMENT_STYLES, $styleAttributeValue)) {
+                        $style['alignment']['vertical'] = $styleAttributeValue;
+                    }
+
+                    break;
+                case 'Horizontal':
+                    if (self::identifyFixedStyleValue(self::HORIZONTAL_ALIGNMENT_STYLES, $styleAttributeValue)) {
+                        $style['alignment']['horizontal'] = $styleAttributeValue;
+                    }
+
+                    break;
+                case 'WrapText':
+                    $style['alignment']['wrapText'] = true;
+
+                    break;
+                case 'Rotate':
+                    $style['alignment']['textRotation'] = $styleAttributeValue;
+
+                    break;
+            }
+        }
+
+        return $style;
+    }
+}

lib/PhpSpreadsheet/Reader/Xml/Style/Border.php

@@ -0,0 +1,98 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Reader\Xml\Style;
+
+use PhpOffice\PhpSpreadsheet\Style\Border as BorderStyle;
+use PhpOffice\PhpSpreadsheet\Style\Borders;
+use SimpleXMLElement;
+
+class Border extends StyleBase
+{
+    protected const BORDER_POSITIONS = [
+        'top',
+        'left',
+        'bottom',
+        'right',
+    ];
+
+    /**
+     * @var array
+     */
+    public const BORDER_MAPPINGS = [
+        'borderStyle' => [
+            '1continuous' => BorderStyle::BORDER_THIN,
+            '1dash' => BorderStyle::BORDER_DASHED,
+            '1dashdot' => BorderStyle::BORDER_DASHDOT,
+            '1dashdotdot' => BorderStyle::BORDER_DASHDOTDOT,
+            '1dot' => BorderStyle::BORDER_DOTTED,
+            '1double' => BorderStyle::BORDER_DOUBLE,
+            '2continuous' => BorderStyle::BORDER_MEDIUM,
+            '2dash' => BorderStyle::BORDER_MEDIUMDASHED,
+            '2dashdot' => BorderStyle::BORDER_MEDIUMDASHDOT,
+            '2dashdotdot' => BorderStyle::BORDER_MEDIUMDASHDOTDOT,
+            '2dot' => BorderStyle::BORDER_DOTTED,
+            '2double' => BorderStyle::BORDER_DOUBLE,
+            '3continuous' => BorderStyle::BORDER_THICK,
+            '3dash' => BorderStyle::BORDER_MEDIUMDASHED,
+            '3dashdot' => BorderStyle::BORDER_MEDIUMDASHDOT,
+            '3dashdotdot' => BorderStyle::BORDER_MEDIUMDASHDOTDOT,
+            '3dot' => BorderStyle::BORDER_DOTTED,
+            '3double' => BorderStyle::BORDER_DOUBLE,
+        ],
+    ];
+
+    public function parseStyle(SimpleXMLElement $styleData, array $namespaces): array
+    {
+        $style = [];
+
+        $diagonalDirection = '';
+        $borderPosition = '';
+        foreach ($styleData->Border as $borderStyle) {
+            $borderAttributes = self::getAttributes($borderStyle, $namespaces['ss']);
+            $thisBorder = [];
+            $styleType = (string) $borderAttributes->Weight;
+            $styleType .= strtolower((string) $borderAttributes->LineStyle);
+            $thisBorder['borderStyle'] = self::BORDER_MAPPINGS['borderStyle'][$styleType] ?? BorderStyle::BORDER_NONE;
+
+            foreach ($borderAttributes as $borderStyleKey => $borderStyleValuex) {
+                $borderStyleValue = (string) $borderStyleValuex;
+                switch ($borderStyleKey) {
+                    case 'Position':
+                        [$borderPosition, $diagonalDirection]
+                            = $this->parsePosition($borderStyleValue, $diagonalDirection);
+
+                        break;
+                    case 'Color':
+                        $borderColour = substr($borderStyleValue, 1);
+                        $thisBorder['color']['rgb'] = $borderColour;
+
+                        break;
+                }
+            }
+
+            if ($borderPosition) {
+                $style['borders'][$borderPosition] = $thisBorder;
+            } elseif ($diagonalDirection) {
+                $style['borders']['diagonalDirection'] = $diagonalDirection;
+                $style['borders']['diagonal'] = $thisBorder;
+            }
+        }
+
+        return $style;
+    }
+
+    protected function parsePosition(string $borderStyleValue, string $diagonalDirection): array
+    {
+        $borderStyleValue = strtolower($borderStyleValue);
+
+        if (in_array($borderStyleValue, self::BORDER_POSITIONS)) {
+            $borderPosition = $borderStyleValue;
+        } elseif ($borderStyleValue === 'diagonalleft') {
+            $diagonalDirection = $diagonalDirection ? Borders::DIAGONAL_BOTH : Borders::DIAGONAL_DOWN;
+        } elseif ($borderStyleValue === 'diagonalright') {
+            $diagonalDirection = $diagonalDirection ? Borders::DIAGONAL_BOTH : Borders::DIAGONAL_UP;
+        }
+
+        return [$borderPosition ?? null, $diagonalDirection];
+    }
+}

lib/PhpSpreadsheet/Reader/Xml/Style/Fill.php

@@ -0,0 +1,63 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Reader\Xml\Style;
+
+use PhpOffice\PhpSpreadsheet\Style\Fill as FillStyles;
+use SimpleXMLElement;
+
+class Fill extends StyleBase
+{
+    /**
+     * @var array
+     */
+    public const FILL_MAPPINGS = [
+        'fillType' => [
+            'solid' => FillStyles::FILL_SOLID,
+            'gray75' => FillStyles::FILL_PATTERN_DARKGRAY,
+            'gray50' => FillStyles::FILL_PATTERN_MEDIUMGRAY,
+            'gray25' => FillStyles::FILL_PATTERN_LIGHTGRAY,
+            'gray125' => FillStyles::FILL_PATTERN_GRAY125,
+            'gray0625' => FillStyles::FILL_PATTERN_GRAY0625,
+            'horzstripe' => FillStyles::FILL_PATTERN_DARKHORIZONTAL, // horizontal stripe
+            'vertstripe' => FillStyles::FILL_PATTERN_DARKVERTICAL, // vertical stripe
+            'reversediagstripe' => FillStyles::FILL_PATTERN_DARKUP, // reverse diagonal stripe
+            'diagstripe' => FillStyles::FILL_PATTERN_DARKDOWN, // diagonal stripe
+            'diagcross' => FillStyles::FILL_PATTERN_DARKGRID, // diagoanl crosshatch
+            'thickdiagcross' => FillStyles::FILL_PATTERN_DARKTRELLIS, // thick diagonal crosshatch
+            'thinhorzstripe' => FillStyles::FILL_PATTERN_LIGHTHORIZONTAL,
+            'thinvertstripe' => FillStyles::FILL_PATTERN_LIGHTVERTICAL,
+            'thinreversediagstripe' => FillStyles::FILL_PATTERN_LIGHTUP,
+            'thindiagstripe' => FillStyles::FILL_PATTERN_LIGHTDOWN,
+            'thinhorzcross' => FillStyles::FILL_PATTERN_LIGHTGRID, // thin horizontal crosshatch
+            'thindiagcross' => FillStyles::FILL_PATTERN_LIGHTTRELLIS, // thin diagonal crosshatch
+        ],
+    ];
+
+    public function parseStyle(SimpleXMLElement $styleAttributes): array
+    {
+        $style = [];
+
+        foreach ($styleAttributes as $styleAttributeKey => $styleAttributeValuex) {
+            $styleAttributeValue = (string) $styleAttributeValuex;
+            switch ($styleAttributeKey) {
+                case 'Color':
+                    $style['fill']['endColor']['rgb'] = substr($styleAttributeValue, 1);
+                    $style['fill']['startColor']['rgb'] = substr($styleAttributeValue, 1);
+
+                    break;
+                case 'PatternColor':
+                    $style['fill']['startColor']['rgb'] = substr($styleAttributeValue, 1);
+
+                    break;
+                case 'Pattern':
+                    $lcStyleAttributeValue = strtolower((string) $styleAttributeValue);
+                    $style['fill']['fillType']
+                        = self::FILL_MAPPINGS['fillType'][$lcStyleAttributeValue] ?? FillStyles::FILL_NONE;
+
+                    break;
+            }
+        }
+
+        return $style;
+    }
+}

lib/PhpSpreadsheet/Reader/Xml/Style/Font.php

@@ -0,0 +1,79 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Reader\Xml\Style;
+
+use PhpOffice\PhpSpreadsheet\Style\Font as FontUnderline;
+use SimpleXMLElement;
+
+class Font extends StyleBase
+{
+    protected const UNDERLINE_STYLES = [
+        FontUnderline::UNDERLINE_NONE,
+        FontUnderline::UNDERLINE_DOUBLE,
+        FontUnderline::UNDERLINE_DOUBLEACCOUNTING,
+        FontUnderline::UNDERLINE_SINGLE,
+        FontUnderline::UNDERLINE_SINGLEACCOUNTING,
+    ];
+
+    protected function parseUnderline(array $style, string $styleAttributeValue): array
+    {
+        if (self::identifyFixedStyleValue(self::UNDERLINE_STYLES, $styleAttributeValue)) {
+            $style['font']['underline'] = $styleAttributeValue;
+        }
+
+        return $style;
+    }
+
+    protected function parseVerticalAlign(array $style, string $styleAttributeValue): array
+    {
+        if ($styleAttributeValue == 'Superscript') {
+            $style['font']['superscript'] = true;
+        }
+        if ($styleAttributeValue == 'Subscript') {
+            $style['font']['subscript'] = true;
+        }
+
+        return $style;
+    }
+
+    public function parseStyle(SimpleXMLElement $styleAttributes): array
+    {
+        $style = [];
+
+        foreach ($styleAttributes as $styleAttributeKey => $styleAttributeValue) {
+            $styleAttributeValue = (string) $styleAttributeValue;
+            switch ($styleAttributeKey) {
+                case 'FontName':
+                    $style['font']['name'] = $styleAttributeValue;
+
+                    break;
+                case 'Size':
+                    $style['font']['size'] = $styleAttributeValue;
+
+                    break;
+                case 'Color':
+                    $style['font']['color']['rgb'] = substr($styleAttributeValue, 1);
+
+                    break;
+                case 'Bold':
+                    $style['font']['bold'] = $styleAttributeValue === '1';
+
+                    break;
+                case 'Italic':
+                    $style['font']['italic'] = $styleAttributeValue === '1';
+
+                    break;
+                case 'Underline':
+                    $style = $this->parseUnderline($style, $styleAttributeValue);
+
+                    break;
+                case 'VerticalAlign':
+                    $style = $this->parseVerticalAlign($style, $styleAttributeValue);
+
+                    break;
+            }
+        }
+
+        return $style;
+    }
+}

lib/PhpSpreadsheet/Reader/Xml/Style/NumberFormat.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Reader\Xml\Style;
+
+use SimpleXMLElement;
+
+class NumberFormat extends StyleBase
+{
+    public function parseStyle(SimpleXMLElement $styleAttributes): array
+    {
+        $style = [];
+
+        $fromFormats = ['\-', '\ '];
+        $toFormats = ['-', ' '];
+
+        foreach ($styleAttributes as $styleAttributeKey => $styleAttributeValue) {
+            $styleAttributeValue = str_replace($fromFormats, $toFormats, $styleAttributeValue);
+
+            switch ($styleAttributeValue) {
+                case 'Short Date':
+                    $styleAttributeValue = 'dd/mm/yyyy';
+
+                    break;
+            }
+
+            if ($styleAttributeValue > '') {
+                $style['numberFormat']['formatCode'] = $styleAttributeValue;
+            }
+        }
+
+        return $style;
+    }
+}

lib/PhpSpreadsheet/Reader/Xml/Style/StyleBase.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Reader\Xml\Style;
+
+use SimpleXMLElement;
+
+abstract class StyleBase
+{
+    protected static function identifyFixedStyleValue(array $styleList, string &$styleAttributeValue): bool
+    {
+        $returnValue = false;
+
+        $styleAttributeValue = strtolower($styleAttributeValue);
+        foreach ($styleList as $style) {
+            if ($styleAttributeValue == strtolower($style)) {
+                $styleAttributeValue = $style;
+                $returnValue = true;
+
+                break;
+            }
+        }
+
+        return $returnValue;
+    }
+
+    protected static function getAttributes(?SimpleXMLElement $simple, string $node): SimpleXMLElement
+    {
+        return ($simple === null) ? new SimpleXMLElement('<xml></xml>') : ($simple->attributes($node) ?? new SimpleXMLElement('<xml></xml>'));
+    }
+}