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Use direct reference to workbook in Calc Engine rather than cell's parent's parent

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This commit is contained in:
Mark Baker 2013-02-05 09:52:28 +00:00
parent 6f4cfcc8c6
commit abb076a817
1 changed files with 15 additions and 21 deletions
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36
Classes/PHPExcel/Calculation.php
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@ -1829,7 +1829,6 @@ class PHPExcel_Calculation {
return $this->_calculationCacheEnabled;
} // function getCalculationCacheEnabled()
/**
* Enable/disable calculation cache
*
@ -2265,7 +2264,7 @@ class PHPExcel_Calculation {
* @throws PHPExcel_Calculation_Exception
*/
public function _calculateFormulaValue($formula, $cellID=null, PHPExcel_Cell $pCell = null) {
// echo '<b>'.$cellID.'</b><br />';
//echo $cellID,PHP_EOL;
$cellValue = '';
// Basic validation that this is indeed a formula
@ -2275,25 +2274,20 @@ class PHPExcel_Calculation {
$formula = ltrim(substr($formula,1));
if (!isset($formula{0})) return self::_wrapResult($formula);
$wsTitle = "\x00Wrk";
if ($pCell !== NULL) {
$pCellParent = $pCell->getParent();
if ($pCellParent !== NULL) {
$wsTitle = $pCellParent->getTitle();
}
}
$pCellParent = ($pCell !== NULL) ? $pCell->getParent() : NULL;
$wsTitle = ($pCellParent !== NULL) ? $pCellParent->getTitle() : "\x00Wrk";
// Is calculation cacheing enabled?
if ($cellID !== NULL) {
if ($this->_calculationCacheEnabled) {
// Is the value present in calculation cache?
$this->_writeDebug('Testing cache value for cell ', $cellID);
// echo 'Testing cache value<br />';
//echo 'Testing cache value',PHP_EOL;
if (isset($this->_calculationCache[$wsTitle][$cellID])) {
// echo 'Value is in cache<br />';
//echo 'Value is in cache',PHP_EOL;
$this->_writeDebug('Retrieving value for ', $cellID, ' from cache');
// Return the cached result
$returnValue = $this->_calculationCache[$wsTitle][$cellID];
// echo 'Retrieving data value of '.$returnValue.' for '.$cellID.' from cache<br />';
//echo 'Retrieving data value of '.$returnValue.' for '.$cellID.' from cache',PHP_EOL;
if (is_array($returnValue)) {
$returnValue = PHPExcel_Calculation_Functions::flattenArray($returnValue);
return array_shift($returnValue);
@ -2670,9 +2664,9 @@ class PHPExcel_Calculation {
// The guts of the lexical parser
// Loop through the formula extracting each operator and operand in turn
while(true) {
// echo 'Assessing Expression <b>'.substr($formula, $index).'</b><br />';
//echo 'Assessing Expression '.substr($formula, $index),PHP_EOL;
$opCharacter = $formula{$index}; // Get the first character of the value at the current index position
// echo 'Initial character of expression block is '.$opCharacter.'<br />';
//echo 'Initial character of expression block is '.$opCharacter,PHP_EOL;
if ((isset($comparisonOperators[$opCharacter])) && (strlen($formula) > $index) && (isset($comparisonOperators[$formula{$index+1}]))) {
$opCharacter .= $formula{++$index};
// echo 'Initial character of expression block is comparison operator '.$opCharacter.'<br />';
@ -3004,7 +2998,7 @@ class PHPExcel_Calculation {
// If we're using cell caching, then $pCell may well be flushed back to the cache (which detaches the parent worksheet),
// so we store the parent worksheet so that we can re-attach it when necessary
$pCellParent = ($pCell !== NULL) ? $pCell->getParent() : null;
$pCellParent = ($pCell !== NULL) ? $pCell->getParent() : NULL;
$stack = new PHPExcel_Calculation_Token_Stack;
// Loop through each token in turn
@ -3083,7 +3077,7 @@ class PHPExcel_Calculation {
}
$cellRef = PHPExcel_Cell::stringFromColumnIndex(min($oCol)).min($oRow).':'.PHPExcel_Cell::stringFromColumnIndex(max($oCol)).max($oRow);
if ($pCellParent !== NULL) {
$cellValue = $this->extractCellRange($cellRef, $pCellParent->getParent()->getSheetByName($sheet1), false);
$cellValue = $this->extractCellRange($cellRef, $this->_workbook->getSheetByName($sheet1), false);
} else {
return $this->_raiseFormulaError('Unable to access Cell Reference');
}
@ -3203,7 +3197,7 @@ class PHPExcel_Calculation {
// echo '$cellRef='.$cellRef.' in worksheet '.$matches[2].'<br />';
$this->_writeDebug('Evaluating Cell Range ', $cellRef, ' in worksheet ', $matches[2]);
if ($pCellParent !== NULL) {
$cellValue = $this->extractCellRange($cellRef, $pCellParent->getParent()->getSheetByName($matches[2]), false);
$cellValue = $this->extractCellRange($cellRef, $this->_workbook->getSheetByName($matches[2]), false);
} else {
return $this->_raiseFormulaError('Unable to access Cell Reference');
}
@ -3236,8 +3230,8 @@ class PHPExcel_Calculation {
// echo '$cellRef='.$cellRef.' in worksheet '.$matches[2].'<br />';
$this->_writeDebug('Evaluating Cell ', $cellRef, ' in worksheet ', $matches[2]);
if ($pCellParent !== NULL) {
if ($pCellParent->getParent()->getSheetByName($matches[2])->cellExists($cellRef)) {
$cellValue = $this->extractCellRange($cellRef, $pCellParent->getParent()->getSheetByName($matches[2]), false);
if ($this->_workbook->getSheetByName($matches[2])->cellExists($cellRef)) {
$cellValue = $this->extractCellRange($cellRef, $this->_workbook->getSheetByName($matches[2]), false);
$pCell->attach($pCellParent);
} else {
$cellValue = null;
@ -3618,7 +3612,7 @@ class PHPExcel_Calculation {
if (strpos ($pRange, '!') !== false) {
// echo '$pRange reference includes sheet reference<br />';
$worksheetReference = PHPExcel_Worksheet::extractSheetTitle($pRange, true);
$pSheet = $pSheet->getParent()->getSheetByName($worksheetReference[0]);
$pSheet = $this->_workbook->getSheetByName($worksheetReference[0]);
// echo 'New sheet name is '.$pSheet->getTitle().'<br />';
$pRange = $worksheetReference[1];
// echo 'Adjusted Range reference is '.$pRange.'<br />';
@ -3674,7 +3668,7 @@ class PHPExcel_Calculation {
if (strpos ($pRange, '!') !== false) {
// echo '$pRange reference includes sheet reference<br />';
$worksheetReference = PHPExcel_Worksheet::extractSheetTitle($pRange, true);
$pSheet = $pSheet->getParent()->getSheetByName($worksheetReference[0]);
$pSheet = $this->_workbook->getSheetByName($worksheetReference[0]);
// echo 'New sheet name is '.$pSheet->getTitle().'<br />';
$pRange = $worksheetReference[1];
// echo 'Adjusted Range reference is '.$pRange.'<br />';