Helpers.php
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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\LookupRef;
use PhpOffice\PhpSpreadsheet\Cell\AddressHelper;
use PhpOffice\PhpSpreadsheet\Cell\Cell;
use PhpOffice\PhpSpreadsheet\DefinedName;
use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
class Helpers
{
public const CELLADDRESS_USE_A1 = true;
public const CELLADDRESS_USE_R1C1 = false;
private static function convertR1C1(string &$cellAddress1, ?string &$cellAddress2, bool $a1, ?int $baseRow = null, ?int $baseCol = null): string
{
if ($a1 === self::CELLADDRESS_USE_R1C1) {
$cellAddress1 = AddressHelper::convertToA1($cellAddress1, $baseRow ?? 1, $baseCol ?? 1);
if ($cellAddress2) {
$cellAddress2 = AddressHelper::convertToA1($cellAddress2, $baseRow ?? 1, $baseCol ?? 1);
}
}
return $cellAddress1 . ($cellAddress2 ? ":$cellAddress2" : '');
}
private static function adjustSheetTitle(string &$sheetTitle, ?string $value): void
{
if ($sheetTitle) {
$sheetTitle .= '!';
if (stripos($value ?? '', $sheetTitle) === 0) {
$sheetTitle = '';
}
}
}
public static function extractCellAddresses(string $cellAddress, bool $a1, Worksheet $sheet, string $sheetName = '', ?int $baseRow = null, ?int $baseCol = null): array
{
$cellAddress1 = $cellAddress;
$cellAddress2 = null;
$namedRange = DefinedName::resolveName($cellAddress1, $sheet, $sheetName);
if ($namedRange !== null) {
$workSheet = $namedRange->getWorkSheet();
$sheetTitle = ($workSheet === null) ? '' : $workSheet->getTitle();
$value = (string) preg_replace('/^=/', '', $namedRange->getValue());
self::adjustSheetTitle($sheetTitle, $value);
$cellAddress1 = $sheetTitle . $value;
$cellAddress = $cellAddress1;
$a1 = self::CELLADDRESS_USE_A1;
}
if (strpos($cellAddress, ':') !== false) {
[$cellAddress1, $cellAddress2] = explode(':', $cellAddress);
}
$cellAddress = self::convertR1C1($cellAddress1, $cellAddress2, $a1, $baseRow, $baseCol);
return [$cellAddress1, $cellAddress2, $cellAddress];
}
public static function extractWorksheet(string $cellAddress, Cell $cell): array
{
$sheetName = '';
if (strpos($cellAddress, '!') !== false) {
[$sheetName, $cellAddress] = Worksheet::extractSheetTitle($cellAddress, true);
$sheetName = trim($sheetName, "'");
}
$worksheet = ($sheetName !== '')
? $cell->getWorksheet()->getParent()->getSheetByName($sheetName)
: $cell->getWorksheet();
return [$cellAddress, $worksheet, $sheetName];
}
}