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Performance tweaks (particularly affecting the Excel5 Writer) 

git-svn-id: https://phpexcel.svn.codeplex.com/svn/trunk@63320 2327b42d-5241-43d6-9e2a-de5ac946f064
This commit is contained in:
Mark Baker 2010-11-05 22:13:41 +00:00
parent 8c3ce4f938
commit 3aa1142b5f
11 changed files with 106 additions and 174 deletions
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4
Classes/PHPExcel/CachedObjectStorage/CacheBase.php
View File

@ -98,9 +98,7 @@ class PHPExcel_CachedObjectStorage_CacheBase {
* @throws Exception
*/
public function updateCacheData(PHPExcel_Cell $cell) {
$pCoord = $cell->getCoordinate();
return $this->addCacheData($pCoord,$cell);
return $this->addCacheData($cell->getCoordinate(),$cell);
} // function updateCacheData()

25
Classes/PHPExcel/Calculation.php
View File

@ -2335,10 +2335,7 @@ class PHPExcel_Calculation {
$matrixRows = count($matrix);
$matrixColumns = 0;
foreach($matrix as $rowKey => $rowValue) {
$colCount = count($rowValue);
if ($colCount > $matrixColumns) {
$matrixColumns = $colCount;
}
$matrixColumns = max(count($rowValue),$matrixColumns);
if (!is_array($rowValue)) {
$matrix[$rowKey] = array($rowValue);
} else {
@ -2678,11 +2675,11 @@ class PHPExcel_Calculation {
// }
$output[] = $d; // Dump the argument count on the output
$output[] = $stack->pop(); // Pop the function and push onto the output
if (array_key_exists($functionName, self::$_controlFunctions)) {
if (isset(self::$_controlFunctions[$functionName])) {
// echo 'Built-in function '.$functionName.'<br />';
$expectedArgumentCount = self::$_controlFunctions[$functionName]['argumentCount'];
$functionCall = self::$_controlFunctions[$functionName]['functionCall'];
} elseif (array_key_exists($functionName, self::$_PHPExcelFunctions)) {
} elseif (isset(self::$_PHPExcelFunctions[$functionName])) {
// echo 'PHPExcel function '.$functionName.'<br />';
$expectedArgumentCount = self::$_PHPExcelFunctions[$functionName]['argumentCount'];
$functionCall = self::$_PHPExcelFunctions[$functionName]['functionCall'];
@ -2773,7 +2770,7 @@ class PHPExcel_Calculation {
if (preg_match('/^'.self::CALCULATION_REGEXP_FUNCTION.'$/i', $val, $matches)) {
$val = preg_replace('/\s/','',$val);
// echo 'Element '.$val.' is a Function<br />';
if (array_key_exists(strtoupper($matches[1]), self::$_PHPExcelFunctions) || array_key_exists(strtoupper($matches[1]), self::$_controlFunctions)) { // it's a func
if (isset(self::$_PHPExcelFunctions[strtoupper($matches[1])]) || isset(self::$_controlFunctions[strtoupper($matches[1])])) { // it's a function
$stack->push('Function', strtoupper($val));
$ax = preg_match('/^\s*(\s*\))/i', substr($formula, $index+$length), $amatch);
if ($ax) {
@ -2855,7 +2852,7 @@ class PHPExcel_Calculation {
// echo 'Casting '.$val.' to integer<br />';
$val = (integer) $val;
}
} elseif (array_key_exists(trim(strtoupper($val)), self::$_ExcelConstants)) {
} elseif (isset(self::$_ExcelConstants[trim(strtoupper($val))])) {
$excelConstant = trim(strtoupper($val));
// echo 'Element '.$excelConstant.' is an Excel Constant<br />';
$val = self::$_ExcelConstants[$excelConstant];
@ -3189,12 +3186,12 @@ class PHPExcel_Calculation {
if ($functionName != 'MKMATRIX') {
$this->_writeDebug('Evaluating Function '.self::_localeFunc($functionName).'() with '.(($argCount == 0) ? 'no' : $argCount).' argument'.(($argCount == 1) ? '' : 's'));
}
if ((array_key_exists($functionName, self::$_PHPExcelFunctions)) || (array_key_exists($functionName, self::$_controlFunctions))) { // function
if (array_key_exists($functionName, self::$_PHPExcelFunctions)) {
if ((isset(self::$_PHPExcelFunctions[$functionName])) || (isset(self::$_controlFunctions[$functionName]))) { // function
if (isset(self::$_PHPExcelFunctions[$functionName])) {
$functionCall = self::$_PHPExcelFunctions[$functionName]['functionCall'];
$passByReference = isset(self::$_PHPExcelFunctions[$functionName]['passByReference']);
$passCellReference = isset(self::$_PHPExcelFunctions[$functionName]['passCellReference']);
} elseif (array_key_exists($functionName, self::$_controlFunctions)) {
} elseif (isset(self::$_controlFunctions[$functionName])) {
$functionCall = self::$_controlFunctions[$functionName]['functionCall'];
$passByReference = isset(self::$_controlFunctions[$functionName]['passByReference']);
$passCellReference = isset(self::$_controlFunctions[$functionName]['passCellReference']);
@ -3278,7 +3275,7 @@ class PHPExcel_Calculation {
} else {
// if the token is a number, boolean, string or an Excel error, push it onto the stack
if (array_key_exists(strtoupper($token), self::$_ExcelConstants)) {
if (isset(self::$_ExcelConstants[strtoupper($token)])) {
$excelConstant = strtoupper($token);
// echo 'Token is a PHPExcel constant: '.$excelConstant.'<br />';
$stack->push('Constant Value',self::$_ExcelConstants[$excelConstant]);
@ -3521,7 +3518,7 @@ class PHPExcel_Calculation {
$aReferences = PHPExcel_Cell::extractAllCellReferencesInRange($pRange);
$pRange = $pSheet->getTitle().'!'.$pRange;
if (count($aReferences) == 1) {
list($currentCol,$currentRow) = PHPExcel_Cell::coordinateFromString($aReferences[0]);
list($currentCol,$currentRow) = sscanf($aReferences[0],'%[A-Z]%d');
if ($pSheet->cellExists($aReferences[0])) {
$returnValue[$currentRow][$currentCol] = $pSheet->getCell($aReferences[0])->getCalculatedValue($resetLog);
} else {
@ -3531,7 +3528,7 @@ class PHPExcel_Calculation {
// Extract cell data
foreach ($aReferences as $reference) {
// Extract range
list($currentCol,$currentRow) = PHPExcel_Cell::coordinateFromString($reference);
list($currentCol,$currentRow) = sscanf($reference,'%[A-Z]%d');
if ($pSheet->cellExists($reference)) {
$returnValue[$currentRow][$currentCol] = $pSheet->getCell($reference)->getCalculatedValue($resetLog);

88
Classes/PHPExcel/Cell.php
View File

@ -484,8 +484,8 @@ class PHPExcel_Cell
} else if ($pCoordinateString == '') {
throw new Exception('Cell coordinate can not be zero-length string.');
} else if (preg_match("/([$]?[A-Z]+)([$]?\d+)/", $pCoordinateString, $matches)) {
list(, $column, $row) = $matches;
return array($column, $row);
array_shift($matches);
return $matches;
} else {
throw new Exception('Invalid cell coordinate.');
}
@ -518,7 +518,8 @@ class PHPExcel_Cell
public static function splitRange($pRange = 'A1:A1')
{
$exploded = explode(',', $pRange);
for ($i = 0; $i < count($exploded); ++$i) {
$counter = count($exploded);
for ($i = 0; $i < $counter; ++$i) {
$exploded[$i] = explode(':', $exploded[$i]);
}
return $exploded;
@ -540,7 +541,8 @@ class PHPExcel_Cell
// Build range
$imploded = array();
for ($i = 0; $i < count($pRange); ++$i) {
$counter = count($pRange);
for ($i = 0; $i < $counter; ++$i) {
$pRange[$i] = implode(':', $pRange[$i]);
}
$imploded = implode(',', $pRange);
@ -622,22 +624,24 @@ class PHPExcel_Cell
*/
public static function columnIndexFromString($pString = 'A')
{
static $lookup = array(
// It's surprising how costly the strtoupper() and ord() calls actually are, so we use a lookup array rather than use ord()
// and make it case insensitive to get rid of the strtoupper() as well. Because it's a static, there's no significant
// memory overhead either
static $_columnLookup = array(
'A' => 1, 'B' => 2, 'C' => 3, 'D' => 4, 'E' => 5, 'F' => 6, 'G' => 7, 'H' => 8, 'I' => 9, 'J' => 10, 'K' => 11, 'L' => 12, 'M' => 13,
'N' => 14, 'O' => 15, 'P' => 16, 'Q' => 17, 'R' => 18, 'S' => 19, 'T' => 20, 'U' => 21, 'V' => 22, 'W' => 23, 'X' => 24, 'Y' => 25, 'Z' => 26
'N' => 14, 'O' => 15, 'P' => 16, 'Q' => 17, 'R' => 18, 'S' => 19, 'T' => 20, 'U' => 21, 'V' => 22, 'W' => 23, 'X' => 24, 'Y' => 25, 'Z' => 26,
'a' => 1, 'b' => 2, 'c' => 3, 'd' => 4, 'e' => 5, 'f' => 6, 'g' => 7, 'h' => 8, 'i' => 9, 'j' => 10, 'k' => 11, 'l' => 12, 'm' => 13,
'n' => 14, 'o' => 15, 'p' => 16, 'q' => 17, 'r' => 18, 's' => 19, 't' => 20, 'u' => 21, 'v' => 22, 'w' => 23, 'x' => 24, 'y' => 25, 'z' => 26
);
// Convert to uppercase
$pString = strtoupper($pString);
$strLen = strlen($pString);
// Convert column to integer
if ($strLen == 1) {
return $lookup[$pString];
return $_columnLookup[$pString];
} elseif ($strLen == 2) {
return $lookup[$pString{0}] * 26 + $lookup[$pString{1}];
return $_columnLookup[$pString[0]] * 26 + $_columnLookup[$pString[1]];
} elseif ($strLen == 3) {
return $lookup[$pString{0}] * 676 + $lookup[$pString{1}] * 26 + $lookup[$pString{2}];
return $_columnLookup[$pString[0]] * 676 + $_columnLookup[$pString[1]] * 26 + $_columnLookup[$pString[2]];
} else {
throw new Exception("Column string index can not be " . ($strLen != 0 ? "longer than 3 characters" : "empty") . ".");
}
@ -654,8 +658,7 @@ class PHPExcel_Cell
// Determine column string
if ($pColumnIndex < 26) {
return chr(65 + $pColumnIndex);
}
if ($pColumnIndex < 702) {
} elseif ($pColumnIndex < 702) {
return chr(64 + ($pColumnIndex / 26)).chr(65 + $pColumnIndex % 26);
}
return chr(64 + (($pColumnIndex - 26) / 676)).chr(65 + ((($pColumnIndex - 26) % 676) / 26)).chr(65 + $pColumnIndex % 26);
@ -672,60 +675,41 @@ class PHPExcel_Cell
$returnValue = array();
// Explode spaces
$aExplodeSpaces = explode(' ', str_replace('$', '', strtoupper($pRange)));
foreach ($aExplodeSpaces as $explodedSpaces) {
$cellBlocks = explode(' ', str_replace('$', '', strtoupper($pRange)));
foreach ($cellBlocks as $cellBlock) {
// Single cell?
if (strpos($explodedSpaces,':') === false && strpos($explodedSpaces,',') === false) {
$col = 'A';
$row = 1;
list($col, $row) = PHPExcel_Cell::coordinateFromString($explodedSpaces);
if (strlen($col) <= 2) {
$returnValue[] = $explodedSpaces;
}
if (strpos($cellBlock,':') === false && strpos($cellBlock,',') === false) {
$returnValue[] = $cellBlock;
continue;
}
// Range...
$range = PHPExcel_Cell::splitRange($explodedSpaces);
for ($i = 0; $i < count($range); ++$i) {
$ranges = PHPExcel_Cell::splitRange($cellBlock);
foreach($ranges as $range) {
// Single cell?
if (count($range[$i]) == 1) {
$col = 'A';
$row = 1;
list($col, $row) = PHPExcel_Cell::coordinateFromString($range[$i]);
if (strlen($col) <= 2) {
$returnValue[] = $explodedSpaces;
}
if (count($range) == 1) {
$returnValue[] = $range[0];
continue;
}
// Range...
$rangeStart = $rangeEnd = '';
$startingCol = $startingRow = $endingCol = $endingRow = 0;
list($rangeStart, $rangeEnd) = $range[$i];
list($startingCol, $startingRow) = PHPExcel_Cell::coordinateFromString($rangeStart);
list($endingCol, $endingRow) = PHPExcel_Cell::coordinateFromString($rangeEnd);
// Conversions...
$startingCol = PHPExcel_Cell::columnIndexFromString($startingCol);
$endingCol = PHPExcel_Cell::columnIndexFromString($endingCol);
list($rangeStart, $rangeEnd) = $range;
list($startCol, $startRow) = sscanf($rangeStart,'%[A-Z]%d');
list($endCol, $endRow) = sscanf($rangeEnd,'%[A-Z]%d');
$endCol++;
// Current data
$currentCol = --$startingCol;
$currentRow = $startingRow;
$currentCol = $startCol;
$currentRow = $startRow;
// Loop cells
while ($currentCol < $endingCol) {
$loopColumn = PHPExcel_Cell::stringFromColumnIndex($currentCol);
while ($currentRow <= $endingRow) {
$returnValue[] = $loopColumn.$currentRow;
while ($currentCol != $endCol) {
while ($currentRow <= $endRow) {
$returnValue[] = $currentCol.$currentRow;
++$currentRow;
}
++$currentCol;
$currentRow = $startingRow;
$currentRow = $startRow;
}
}
}

32
Classes/PHPExcel/Reader/Excel5.php
View File

@ -1278,7 +1278,7 @@ class PHPExcel_Reader_Excel5 implements PHPExcel_Reader_IReader
private function _readDefault()
{
$length = $this->_GetInt2d($this->_data, $this->_pos + 2);
$recordData = substr($this->_data, $this->_pos + 4, $length);
// $recordData = substr($this->_data, $this->_pos + 4, $length);
// move stream pointer to next record
$this->_pos += 4 + $length;
@ -1337,7 +1337,7 @@ class PHPExcel_Reader_Excel5 implements PHPExcel_Reader_IReader
private function _readFilepass()
{
$length = $this->_GetInt2d($this->_data, $this->_pos + 2);
$recordData = substr($this->_data, $this->_pos + 4, $length);
// $recordData = substr($this->_data, $this->_pos + 4, $length);
// move stream pointer to next record
$this->_pos += 4 + $length;
@ -5869,7 +5869,7 @@ class PHPExcel_Reader_Excel5 implements PHPExcel_Reader_IReader
$b = ord($rgb{2});
// HEX notation, e.g. 'FF00FC'
$rgb = sprintf('%02X', $r) . sprintf('%02X', $g) . sprintf('%02X', $b);
$rgb = sprintf('%02X%02X%02X', $r, $g, $b);
return array('rgb' => $rgb);
}
@ -6021,17 +6021,17 @@ class PHPExcel_Reader_Excel5 implements PHPExcel_Reader_IReader
$rknumhigh = $this->_GetInt4d($data, 4);
$rknumlow = $this->_GetInt4d($data, 0);
$sign = ($rknumhigh & 0x80000000) >> 31;
$exp = ($rknumhigh & 0x7ff00000) >> 20;
$exp = (($rknumhigh & 0x7ff00000) >> 20) - 1023;
$mantissa = (0x100000 | ($rknumhigh & 0x000fffff));
$mantissalow1 = ($rknumlow & 0x80000000) >> 31;
$mantissalow2 = ($rknumlow & 0x7fffffff);
$value = $mantissa / pow( 2 , (20 - ($exp - 1023)));
$value = $mantissa / pow( 2 , (20 - $exp));
if ($mantissalow1 != 0) {
$value += 1 / pow (2 , (21 - ($exp - 1023)));
$value += 1 / pow (2 , (21 - $exp));
}
$value += $mantissalow2 / pow (2 , (52 - ($exp - 1023)));
$value += $mantissalow2 / pow (2 , (52 - $exp));
if ($sign) {
$value = -1 * $value;
}
@ -6078,9 +6078,7 @@ class PHPExcel_Reader_Excel5 implements PHPExcel_Reader_IReader
$string = $this->_uncompressByteString($string);
}
$result = PHPExcel_Shared_String::ConvertEncoding($string, 'UTF-8', 'UTF-16LE');
return $result;
return PHPExcel_Shared_String::ConvertEncoding($string, 'UTF-8', 'UTF-16LE');
}
/**
@ -6092,7 +6090,8 @@ class PHPExcel_Reader_Excel5 implements PHPExcel_Reader_IReader
private function _uncompressByteString($string)
{
$uncompressedString = '';
for ($i = 0; $i < strlen($string); ++$i) {
$strLen = strlen($string);
for ($i = 0; $i < $strLen; ++$i) {
$uncompressedString .= $string[$i] . "\0";
}
@ -6107,8 +6106,7 @@ class PHPExcel_Reader_Excel5 implements PHPExcel_Reader_IReader
*/
private function _decodeCodepage($string)
{
$result = PHPExcel_Shared_String::ConvertEncoding($string, 'UTF-8', $this->_codepage);
return $result;
return PHPExcel_Shared_String::ConvertEncoding($string, 'UTF-8', $this->_codepage);
}
/**
@ -6157,17 +6155,17 @@ class PHPExcel_Reader_Excel5 implements PHPExcel_Reader_IReader
{
if ($color <= 0x07 || $color >= 0x40) {
// special built-in color
$color = $this->_mapBuiltInColor($color);
return $this->_mapBuiltInColor($color);
} else if (isset($this->_palette) && isset($this->_palette[$color - 8])) {
// palette color, color index 0x08 maps to pallete index 0
$color = $this->_palette[$color - 8];
return $this->_palette[$color - 8];
} else {
// default color table
if ($this->_version == self::XLS_BIFF8) {
$color = $this->_mapColor($color);
return $this->_mapColor($color);
} else {
// BIFF5
$color = $this->_mapColorBIFF5($color);
return $this->_mapColorBIFF5($color);
}
}

8
Classes/PHPExcel/Style.php
View File

@ -169,14 +169,12 @@ class PHPExcel_Style implements PHPExcel_IComparable
$selectedCell = $this->getActiveCell(); // e.g. 'A1'
if ($activeSheet->cellExists($selectedCell)) {
$cell = $activeSheet->getCell($selectedCell);
$xfIndex = $cell->getXfIndex();
$xfIndex = $activeSheet->getCell($selectedCell)->getXfIndex();
} else {
$xfIndex = 0;
}
$activeStyle = $this->_parent->getCellXfByIndex($xfIndex);
return $activeStyle;
return $this->_parent->getCellXfByIndex($xfIndex);
}
/**
@ -270,8 +268,6 @@ class PHPExcel_Style implements PHPExcel_IComparable
$pRange = strtoupper($pRange);
// Is it a cell range or a single cell?
$rangeA = '';
$rangeB = '';
if (strpos($pRange, ':') === false) {
$rangeA = $pRange;
$rangeB = $pRange;

4
Classes/PHPExcel/Style/NumberFormat.php
View File

@ -393,7 +393,7 @@ class PHPExcel_Style_NumberFormat implements PHPExcel_IComparable
self::fillBuiltInFormatCodes();
// Lookup format code
if (array_key_exists($pIndex, self::$_builtInFormats)) {
if (isset(self::$_builtInFormats[$pIndex])) {
return self::$_builtInFormats[$pIndex];
}
@ -412,7 +412,7 @@ class PHPExcel_Style_NumberFormat implements PHPExcel_IComparable
self::fillBuiltInFormatCodes();
// Lookup format code
if (array_key_exists($formatCode, self::$_flippedBuiltInFormats)) {
if (isset(self::$_flippedBuiltInFormats[$formatCode])) {
return self::$_flippedBuiltInFormats[$formatCode];
}

27
Classes/PHPExcel/Worksheet.php
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@ -957,8 +957,7 @@ class PHPExcel_Worksheet implements PHPExcel_IComparable
if (PHPExcel_Cell::columnIndexFromString($this->_cachedHighestColumn) < PHPExcel_Cell::columnIndexFromString($aCoordinates[0]))
$this->_cachedHighestColumn = $aCoordinates[0];
if ($this->_cachedHighestRow < $aCoordinates[1])
$this->_cachedHighestRow = $aCoordinates[1];
$this->_cachedHighestRow = max($this->_cachedHighestRow,$aCoordinates[1]);
// Cell needs appropriate xfIndex
$rowDimensions = $this->getRowDimensions();
@ -998,8 +997,7 @@ class PHPExcel_Worksheet implements PHPExcel_IComparable
if (PHPExcel_Cell::columnIndexFromString($this->_cachedHighestColumn) < $pColumn)
$this->_cachedHighestColumn = $columnLetter;
if ($this->_cachedHighestRow < $pRow)
$this->_cachedHighestRow = $pRow;
$this->_cachedHighestRow = max($this->_cachedHighestRow,$pRow);
return $cell;
}
@ -1081,8 +1079,7 @@ class PHPExcel_Worksheet implements PHPExcel_IComparable
if (!isset($this->_rowDimensions[$pRow])) {
$this->_rowDimensions[$pRow] = new PHPExcel_Worksheet_RowDimension($pRow);
if ($this->_cachedHighestRow < $pRow)
$this->_cachedHighestRow = $pRow;
$this->_cachedHighestRow = max($this->_cachedHighestRow,$pRow);
}
return $this->_rowDimensions[$pRow];
}
@ -2194,29 +2191,19 @@ class PHPExcel_Worksheet implements PHPExcel_IComparable
// Find cells that can be cleaned
foreach ($this->_cellCollection->getCellList() as $coord) {
list($col,$row) = sscanf($coord,'%[A-Z]%d');
$column = PHPExcel_Cell::columnIndexFromString($col);
// Determine highest column and row
if ($highestColumn < $column) {
$highestColumn = $column;
}
if ($row > $highestRow) {
$highestRow = $row;
}
$highestColumn = max($highestColumn,PHPExcel_Cell::columnIndexFromString($col));
$highestRow = max($highestRow,$row);
}
// Loop through column dimensions
foreach ($this->_columnDimensions as $dimension) {
if ($highestColumn < PHPExcel_Cell::columnIndexFromString($dimension->getColumnIndex())) {
$highestColumn = PHPExcel_Cell::columnIndexFromString($dimension->getColumnIndex());
}
$highestColumn = max($highestColumn,PHPExcel_Cell::columnIndexFromString($dimension->getColumnIndex()));
}
// Loop through row dimensions
foreach ($this->_rowDimensions as $dimension) {
if ($highestRow < $dimension->getRowIndex()) {
$highestRow = $dimension->getRowIndex();
}
$highestRow = max($highestRow,$dimension->getRowIndex());
}
// Cache values

6
Classes/PHPExcel/Writer/Excel5.php
View File

@ -395,9 +395,8 @@ class PHPExcel_Writer_Excel5 implements PHPExcel_Writer_IWriter
case 1: // GIF, not supported by BIFF8, we convert to PNG
$blipType = PHPExcel_Shared_Escher_DggContainer_BstoreContainer_BSE::BLIPTYPE_PNG;
$imageResource = imagecreatefromgif($filename);
ob_start();
imagepng($imageResource);
imagepng(imagecreatefromgif($filename));
$blipData = ob_get_contents();
ob_end_clean();
break;
@ -414,9 +413,8 @@ class PHPExcel_Writer_Excel5 implements PHPExcel_Writer_IWriter
case 6: // Windows DIB (BMP), we convert to PNG
$blipType = PHPExcel_Shared_Escher_DggContainer_BstoreContainer_BSE::BLIPTYPE_PNG;
$imageResource = PHPExcel_Shared_Drawing::imagecreatefrombmp($filename);
ob_start();
imagepng($imageResource);
imagepng(PHPExcel_Shared_Drawing::imagecreatefrombmp($filename));
$blipData = ob_get_contents();
ob_end_clean();
break;

4
Classes/PHPExcel/Writer/Excel5/BIFFwriter.php
View File

@ -148,8 +148,8 @@ class PHPExcel_Writer_Excel5_BIFFwriter
if (strlen($data) - 4 > $this->_limit) {
$data = $this->_addContinue($data);
}
$this->_data = $this->_data.$data;
$this->_datasize += strlen($data);
$this->_data .= $data;
$this->_datasize += strlen($data);
}
/**

44
Classes/PHPExcel/Writer/Excel5/Parser.php
View File

@ -1055,7 +1055,7 @@ class PHPExcel_Writer_Excel5_Parser
$col = 0;
$col_ref_length = strlen($col_ref);
for ($i = 0; $i < $col_ref_length; ++$i) {
$col += (ord($col_ref{$i}) - ord('A') + 1) * pow(26, $expn);
$col += (ord($col_ref{$i}) - 64) * pow(26, $expn);
--$expn;
}
@ -1125,27 +1125,20 @@ class PHPExcel_Writer_Excel5_Parser
{
switch($token) {
case "+":
return $token;
break;
case "-":
return $token;
break;
case "*":
return $token;
break;
case "/":
return $token;
break;
case "(":
return $token;
break;
case ")":
return $token;
break;
case ",":
return $token;
break;
case ";":
case ">=":
case "<=":
case "=":
case "<>":
case "^":
case "&":
case "%":
return $token;
break;
case ">":
@ -1161,27 +1154,6 @@ class PHPExcel_Writer_Excel5_Parser
}
return $token;
break;
case ">=":
return $token;
break;
case "<=":
return $token;
break;
case "=":
return $token;
break;
case "<>":
return $token;
break;
case "^":
return $token;
break;
case "&":
return $token;
break;
case "%":
return $token;
break;
default:
// if it's a reference A1 or $A$1 or $A1 or A$1
if (preg_match('/^\$?[A-Ia-i]?[A-Za-z]\$?[0-9]+$/',$token) and

32
Classes/PHPExcel/Writer/Excel5/Worksheet.php
View File

@ -242,25 +242,29 @@ class PHPExcel_Writer_Excel5_Worksheet extends PHPExcel_Writer_Excel5_BIFFwriter
$this->_outline_on = 1;
// calculate values for DIMENSIONS record
$this->_firstRowIndex = 0;
$this->_lastRowIndex = -1;
$this->_firstColumnIndex = 0;
$this->_lastColumnIndex = -1;
$_firstRowIndex = 0;
$_lastRowIndex = -1;
$_firstColumnIndex = 0;
$_lastColumnIndex = -1;
foreach ($this->_phpSheet->getCellCollection(false) as $cellID) {
list($col,$row) = sscanf($cellID,'%[A-Z]%d');
$column = PHPExcel_Cell::columnIndexFromString($col) - 1;
// Don't break Excel!
if ($row + 1 > 65536 or $column + 1 > 256) {
if ($row >= 65536 or $column >= 256) {
break;
}
$this->_firstRowIndex = min($this->_firstRowIndex, $row);
$this->_lastRowIndex = max($this->_lastRowIndex, $row);
$this->_firstColumnIndex = min($this->_firstColumnIndex, $column);
$this->_lastColumnIndex = max($this->_lastColumnIndex, $column);
$_firstRowIndex = min($_firstRowIndex, $row);
$_lastRowIndex = max($_lastRowIndex, $row);
$_firstColumnIndex = min($_firstColumnIndex, $column);
$_lastColumnIndex = max($_lastColumnIndex, $column);
}
$this->_firstRowIndex = $_firstRowIndex;
$this->_lastRowIndex = $_lastRowIndex;
$this->_firstColumnIndex = $_firstColumnIndex;
$this->_lastColumnIndex = $_lastColumnIndex;
$this->_countCellStyleXfs = count($phpSheet->getParent()->getCellStyleXfCollection());
}
@ -529,14 +533,12 @@ class PHPExcel_Writer_Excel5_Worksheet extends PHPExcel_Writer_Excel5_BIFFwriter
$firstCellCoordinates = PHPExcel_Cell::coordinateFromString($firstCell); // e.g. array(0, 1)
$lastCellCoordinates = PHPExcel_Cell::coordinateFromString($lastCell); // e.g. array(1, 6)
$data = pack('vvvv',
return(pack('vvvv',
$firstCellCoordinates[1] - 1,
$lastCellCoordinates[1] - 1,
PHPExcel_Cell::columnIndexFromString($firstCellCoordinates[0]) - 1,
PHPExcel_Cell::columnIndexFromString($lastCellCoordinates[0]) - 1
);
return $data;
));
}
/**
@ -852,8 +854,8 @@ class PHPExcel_Writer_Excel5_Worksheet extends PHPExcel_Writer_Excel5_BIFFwriter
$unknown = 0x0000; // Must be zero
// Strip the '=' or '@' sign at the beginning of the formula string
if (preg_match("/^=/", $formula)) {
$formula = preg_replace("/(^=)/", "", $formula);
if ($formula{0} == '=') {
$formula = substr($formula,1);
} else {
// Error handling
$this->_writeString($row, $col, 'Unrecognised character for formula');