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Direktori : /home/ngwcolle/www/admin/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Cell/ |
Current File : //home/ngwcolle/www/admin/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Cell/AddressHelper.php |
<?php namespace PhpOffice\PhpSpreadsheet\Cell; use PhpOffice\PhpSpreadsheet\Calculation\Calculation; use PhpOffice\PhpSpreadsheet\Calculation\Functions; use PhpOffice\PhpSpreadsheet\Exception; class AddressHelper { public const R1C1_COORDINATE_REGEX = '/(R((?:\[-?\d*\])|(?:\d*))?)(C((?:\[-?\d*\])|(?:\d*))?)/i'; /** @return string[] */ public static function getRowAndColumnChars(): array { $rowChar = 'R'; $colChar = 'C'; if (Functions::getCompatibilityMode() === Functions::COMPATIBILITY_EXCEL) { $rowColChars = Calculation::localeFunc('*RC'); if (mb_strlen($rowColChars) === 2) { $rowChar = mb_substr($rowColChars, 0, 1); $colChar = mb_substr($rowColChars, 1, 1); } } return [$rowChar, $colChar]; } /** * Converts an R1C1 format cell address to an A1 format cell address. */ public static function convertToA1( string $address, int $currentRowNumber = 1, int $currentColumnNumber = 1, bool $useLocale = true ): string { [$rowChar, $colChar] = $useLocale ? self::getRowAndColumnChars() : ['R', 'C']; $regex = '/^(' . $rowChar . '(\[?[-+]?\d*\]?))(' . $colChar . '(\[?[-+]?\d*\]?))$/i'; $validityCheck = preg_match($regex, $address, $cellReference); if (empty($validityCheck)) { throw new Exception('Invalid R1C1-format Cell Reference'); } $rowReference = $cellReference[2]; // Empty R reference is the current row if ($rowReference === '') { $rowReference = (string) $currentRowNumber; } // Bracketed R references are relative to the current row if ($rowReference[0] === '[') { $rowReference = $currentRowNumber + (int) trim($rowReference, '[]'); } $columnReference = $cellReference[4]; // Empty C reference is the current column if ($columnReference === '') { $columnReference = (string) $currentColumnNumber; } // Bracketed C references are relative to the current column if (is_string($columnReference) && $columnReference[0] === '[') { $columnReference = $currentColumnNumber + (int) trim($columnReference, '[]'); } $columnReference = (int) $columnReference; if ($columnReference <= 0 || $rowReference <= 0) { throw new Exception('Invalid R1C1-format Cell Reference, Value out of range'); } $A1CellReference = Coordinate::stringFromColumnIndex($columnReference) . $rowReference; return $A1CellReference; } protected static function convertSpreadsheetMLFormula(string $formula): string { $formula = substr($formula, 3); $temp = explode('"', $formula); $key = false; foreach ($temp as &$value) { // Only replace in alternate array entries (i.e. non-quoted blocks) $key = $key === false; if ($key) { $value = str_replace(['[.', ':.', ']'], ['', ':', ''], $value); } } unset($value); return implode('"', $temp); } /** * Converts a formula that uses R1C1/SpreadsheetXML format cell address to an A1 format cell address. */ public static function convertFormulaToA1( string $formula, int $currentRowNumber = 1, int $currentColumnNumber = 1 ): string { if (str_starts_with($formula, 'of:')) { // We have an old-style SpreadsheetML Formula return self::convertSpreadsheetMLFormula($formula); } // Convert R1C1 style references to A1 style references (but only when not quoted) $temp = explode('"', $formula); $key = false; foreach ($temp as &$value) { // Only replace in alternate array entries (i.e. non-quoted blocks) $key = $key === false; if ($key) { preg_match_all(self::R1C1_COORDINATE_REGEX, $value, $cellReferences, PREG_SET_ORDER + PREG_OFFSET_CAPTURE); // Reverse the matches array, otherwise all our offsets will become incorrect if we modify our way // through the formula from left to right. Reversing means that we work right to left.through // the formula $cellReferences = array_reverse($cellReferences); // Loop through each R1C1 style reference in turn, converting it to its A1 style equivalent, // then modify the formula to use that new reference foreach ($cellReferences as $cellReference) { $A1CellReference = self::convertToA1($cellReference[0][0], $currentRowNumber, $currentColumnNumber, false); $value = substr_replace($value, $A1CellReference, $cellReference[0][1], strlen($cellReference[0][0])); } } } unset($value); // Then rebuild the formula string return implode('"', $temp); } /** * Converts an A1 format cell address to an R1C1 format cell address. * If $currentRowNumber or $currentColumnNumber are provided, then the R1C1 address will be formatted as a relative address. */ public static function convertToR1C1( string $address, ?int $currentRowNumber = null, ?int $currentColumnNumber = null ): string { $validityCheck = preg_match(Coordinate::A1_COORDINATE_REGEX, $address, $cellReference); if ($validityCheck === 0) { throw new Exception('Invalid A1-format Cell Reference'); } if ($cellReference['col'][0] === '$') { // Column must be absolute address $currentColumnNumber = null; } $columnId = Coordinate::columnIndexFromString(ltrim($cellReference['col'], '$')); if ($cellReference['row'][0] === '$') { // Row must be absolute address $currentRowNumber = null; } $rowId = (int) ltrim($cellReference['row'], '$'); if ($currentRowNumber !== null) { if ($rowId === $currentRowNumber) { $rowId = ''; } else { $rowId = '[' . ($rowId - $currentRowNumber) . ']'; } } if ($currentColumnNumber !== null) { if ($columnId === $currentColumnNumber) { $columnId = ''; } else { $columnId = '[' . ($columnId - $currentColumnNumber) . ']'; } } $R1C1Address = "R{$rowId}C{$columnId}"; return $R1C1Address; } }