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<?php |
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namespace PhpOffice\PhpSpreadsheet\Writer\Ods; |
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use PhpOffice\PhpSpreadsheet\Calculation\Calculation; |
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use PhpOffice\PhpSpreadsheet\DefinedName; |
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class Formula |
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{ |
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/** @var array */ |
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private $definedNames = []; |
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/** |
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* @param DefinedName[] $definedNames |
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*/ |
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public function __construct(array $definedNames) |
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{ |
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foreach ($definedNames as $definedName) { |
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$this->definedNames[] = $definedName->getName(); |
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} |
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} |
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public function convertFormula(string $formula, string $worksheetName = ''): string |
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{ |
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$formula = $this->convertCellReferences($formula, $worksheetName); |
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$formula = $this->convertDefinedNames($formula); |
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if (substr($formula, 0, 1) !== '=') { |
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$formula = '=' . $formula; |
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} |
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return 'of:' . $formula; |
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} |
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private function convertDefinedNames(string $formula): string |
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{ |
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$splitCount = preg_match_all( |
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'/' . Calculation::CALCULATION_REGEXP_DEFINEDNAME . '/mui', |
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$formula, |
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$splitRanges, |
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PREG_OFFSET_CAPTURE |
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); |
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$lengths = array_map('strlen', array_column($splitRanges[0], 0)); |
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$offsets = array_column($splitRanges[0], 1); |
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$values = array_column($splitRanges[0], 0); |
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while ($splitCount > 0) { |
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--$splitCount; |
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$length = $lengths[$splitCount]; |
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$offset = $offsets[$splitCount]; |
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$value = $values[$splitCount]; |
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if (in_array($value, $this->definedNames, true)) { |
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$formula = substr($formula, 0, $offset) . '$$' . $value . substr($formula, $offset + $length); |
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} |
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} |
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return $formula; |
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} |
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private function convertCellReferences(string $formula, string $worksheetName): string |
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{ |
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$splitCount = preg_match_all( |
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'/' . Calculation::CALCULATION_REGEXP_CELLREF_RELATIVE . '/mui', |
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$formula, |
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$splitRanges, |
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PREG_OFFSET_CAPTURE |
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); |
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$lengths = array_map('strlen', array_column($splitRanges[0], 0)); |
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$offsets = array_column($splitRanges[0], 1); |
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$worksheets = $splitRanges[2]; |
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$columns = $splitRanges[6]; |
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$rows = $splitRanges[7]; |
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// Replace any commas in the formula with semi-colons for Ods |
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// If by chance there are commas in worksheet names, then they will be "fixed" again in the loop |
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// because we've already extracted worksheet names with our preg_match_all() |
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$formula = str_replace(',', ';', $formula); |
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while ($splitCount > 0) { |
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--$splitCount; |
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$length = $lengths[$splitCount]; |
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$offset = $offsets[$splitCount]; |
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$worksheet = $worksheets[$splitCount][0]; |
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$column = $columns[$splitCount][0]; |
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$row = $rows[$splitCount][0]; |
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$newRange = ''; |
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if (empty($worksheet)) { |
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if (($offset === 0) || ($formula[$offset - 1] !== ':')) { |
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// We need a worksheet |
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$worksheet = $worksheetName; |
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} |
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} else { |
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$worksheet = str_replace("''", "'", trim($worksheet, "'")); |
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} |
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if (!empty($worksheet)) { |
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$newRange = "['" . str_replace("'", "''", $worksheet) . "'"; |
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} elseif (substr($formula, $offset - 1, 1) !== ':') { |
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$newRange = '['; |
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} |
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$newRange .= '.'; |
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if (!empty($column)) { |
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$newRange .= $column; |
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} |
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if (!empty($row)) { |
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$newRange .= $row; |
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} |
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// close the wrapping [] unless this is the first part of a range |
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$newRange .= substr($formula, $offset + $length, 1) !== ':' ? ']' : ''; |
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$formula = substr($formula, 0, $offset) . $newRange . substr($formula, $offset + $length); |
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} |
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return $formula; |
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} |
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} |
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PHPOffice /
PhpSpreadsheet
