private function PHPExcel_Reader_Excel5::_readSheetRangeByRefIndex in Loft Data Grids 7.2

Same name and namespace in other branches

1. 6.2 vendor/phpoffice/phpexcel/Classes/PHPExcel/Reader/Excel5.php \PHPExcel_Reader_Excel5::_readSheetRangeByRefIndex()

* Get a sheet range like Sheet1:Sheet3 from REF index * Note: If there is only one sheet in the range, one gets e.g Sheet1 * It can also happen that the REF structure uses the -1 (FFFF) code to indicate deleted sheets, * in which case an PHPExcel_Reader_Exception is thrown * *

Parameters

int $index: * @return string|false * @throws PHPExcel_Reader_Exception

1 call to PHPExcel_Reader_Excel5::_readSheetRangeByRefIndex()

PHPExcel_Reader_Excel5::_getNextToken in vendor/phpoffice/phpexcel/Classes/PHPExcel/Reader/Excel5.php

* Fetch next token from binary formula data * *

File

vendor/phpoffice/phpexcel/Classes/PHPExcel/Reader/Excel5.php, line 6359

Class

PHPExcel_Reader_Excel5

PHPExcel_Reader_Excel5

Code

private function _readSheetRangeByRefIndex($index) {
  if (isset($this->_ref[$index])) {
    $type = $this->_externalBooks[$this->_ref[$index]['externalBookIndex']]['type'];
    switch ($type) {
      case 'internal':

        // check if we have a deleted 3d reference
        if ($this->_ref[$index]['firstSheetIndex'] == 0xffff or $this->_ref[$index]['lastSheetIndex'] == 0xffff) {
          throw new PHPExcel_Reader_Exception('Deleted sheet reference');
        }

        // we have normal sheet range (collapsed or uncollapsed)
        $firstSheetName = $this->_sheets[$this->_ref[$index]['firstSheetIndex']]['name'];
        $lastSheetName = $this->_sheets[$this->_ref[$index]['lastSheetIndex']]['name'];
        if ($firstSheetName == $lastSheetName) {

          // collapsed sheet range
          $sheetRange = $firstSheetName;
        }
        else {
          $sheetRange = "{$firstSheetName}:{$lastSheetName}";
        }

        // escape the single-quotes
        $sheetRange = str_replace("'", "''", $sheetRange);

        // if there are special characters, we need to enclose the range in single-quotes
        // todo: check if we have identified the whole set of special characters
        // it seems that the following characters are not accepted for sheet names
        // and we may assume that they are not present: []*/:\?
        if (preg_match("/[ !\"@#£\$%&{()}<>=+'|^,;-]/", $sheetRange)) {
          $sheetRange = "'{$sheetRange}'";
        }
        return $sheetRange;
        break;
      default:

        // TODO: external sheet support
        throw new PHPExcel_Reader_Exception('Excel5 reader only supports internal sheets in fomulas');
        break;
    }
  }
  return false;
}