private function PHPExcel_Reader_Excel5::_readBIFF8CellRangeAddressB 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::_readBIFF8CellRangeAddressB()

* Reads a cell range address in BIFF8 for shared formulas. Uses positive and negative values for row and column * to indicate offsets from a base cell * section 3.3.4 * *

Parameters

string $subData: * @param string $baseCell Base cell * @return string Cell range address

1 call to PHPExcel_Reader_Excel5::_readBIFF8CellRangeAddressB()

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 6219

Class

PHPExcel_Reader_Excel5

PHPExcel_Reader_Excel5

Code

private function _readBIFF8CellRangeAddressB($subData, $baseCell = 'A1') {
  list($baseCol, $baseRow) = PHPExcel_Cell::coordinateFromString($baseCell);
  $baseCol = PHPExcel_Cell::columnIndexFromString($baseCol) - 1;

  // TODO: if cell range is just a single cell, should this funciton
  // not just return e.g. 'A1' and not 'A1:A1' ?
  // offset: 0; size: 2; first row
  $frIndex = self::_GetInt2d($subData, 0);

  // adjust below
  // offset: 2; size: 2; relative index to first row (0... 65535) should be treated as offset (-32768... 32767)
  $lrIndex = self::_GetInt2d($subData, 2);

  // adjust below
  // offset: 4; size: 2; first column with relative/absolute flags
  // bit: 7-0; mask 0x00FF; column index
  $fcIndex = 0xff & self::_GetInt2d($subData, 4);

  // bit: 14; mask 0x4000; (1 = relative column index, 0 = absolute column index)
  if (!(0x4000 & self::_GetInt2d($subData, 4))) {

    // absolute column index
    $fc = PHPExcel_Cell::stringFromColumnIndex($fcIndex);
    $fc = '$' . $fc;
  }
  else {

    // column offset
    $fcIndex = $fcIndex <= 127 ? $fcIndex : $fcIndex - 256;
    $fc = PHPExcel_Cell::stringFromColumnIndex($baseCol + $fcIndex);
  }

  // bit: 15; mask 0x8000; (1 = relative row index, 0 = absolute row index)
  if (!(0x8000 & self::_GetInt2d($subData, 4))) {

    // absolute row index
    $fr = $frIndex + 1;
    $fr = '$' . $fr;
  }
  else {

    // row offset
    $frIndex = $frIndex <= 32767 ? $frIndex : $frIndex - 65536;
    $fr = $baseRow + $frIndex;
  }

  // offset: 6; size: 2; last column with relative/absolute flags
  // bit: 7-0; mask 0x00FF; column index
  $lcIndex = 0xff & self::_GetInt2d($subData, 6);
  $lcIndex = $lcIndex <= 127 ? $lcIndex : $lcIndex - 256;
  $lc = PHPExcel_Cell::stringFromColumnIndex($baseCol + $lcIndex);

  // bit: 14; mask 0x4000; (1 = relative column index, 0 = absolute column index)
  if (!(0x4000 & self::_GetInt2d($subData, 6))) {

    // absolute column index
    $lc = PHPExcel_Cell::stringFromColumnIndex($lcIndex);
    $lc = '$' . $lc;
  }
  else {

    // column offset
    $lcIndex = $lcIndex <= 127 ? $lcIndex : $lcIndex - 256;
    $lc = PHPExcel_Cell::stringFromColumnIndex($baseCol + $lcIndex);
  }

  // bit: 15; mask 0x8000; (1 = relative row index, 0 = absolute row index)
  if (!(0x8000 & self::_GetInt2d($subData, 6))) {

    // absolute row index
    $lr = $lrIndex + 1;
    $lr = '$' . $lr;
  }
  else {

    // row offset
    $lrIndex = $lrIndex <= 32767 ? $lrIndex : $lrIndex - 65536;
    $lr = $baseRow + $lrIndex;
  }
  return "{$fc}{$fr}:{$lc}{$lr}";
}