/**
* DataType for value
*
* @param mixed $pValue
* @return int
*/
public static function dataTypeForValue($pValue = null)
{
// Match the value against a few data types
if (is_null($pValue)) {
return Cell_DataType::TYPE_NULL;
} elseif ($pValue === '') {
return Cell_DataType::TYPE_STRING;
} elseif ($pValue instanceof RichText) {
return Cell_DataType::TYPE_STRING;
} elseif ($pValue[0] === '=' && strlen($pValue) > 1) {
return Cell_DataType::TYPE_FORMULA;
} elseif (is_bool($pValue)) {
return Cell_DataType::TYPE_BOOL;
} elseif (is_float($pValue) || is_int($pValue)) {
return Cell_DataType::TYPE_NUMERIC;
} elseif (preg_match('/^\\-?([0-9]+\\.?[0-9]*|[0-9]*\\.?[0-9]+)$/', $pValue)) {
return Cell_DataType::TYPE_NUMERIC;
} elseif (is_string($pValue) && array_key_exists($pValue, Cell_DataType::getErrorCodes())) {
return Cell_DataType::TYPE_ERROR;
} else {
return Cell_DataType::TYPE_STRING;
}
}
/**
* Write a formula to the specified row and column (zero indexed).
* The textual representation of the formula is passed to the parser in
* Parser.php which returns a packed binary string.
*
* Returns 0 : normal termination
* -1 : formula errors (bad formula)
* -2 : row or column out of range
*
* @param integer $row Zero indexed row
* @param integer $col Zero indexed column
* @param string $formula The formula text string
* @param mixed $format The optional XF format
* @param mixed $calculatedValue Calculated value
* @return integer
*/
private function _writeFormula($row, $col, $formula, $xfIndex, $calculatedValue)
{
$record = 0x6;
// Record identifier
// Initialize possible additional value for STRING record that should be written after the FORMULA record?
$stringValue = null;
// calculated value
if (isset($calculatedValue)) {
// Since we can't yet get the data type of the calculated value,
// we use best effort to determine data type
if (is_bool($calculatedValue)) {
// Boolean value
$num = pack('CCCvCv', 0x1, 0x0, (int) $calculatedValue, 0x0, 0x0, 0xffff);
} elseif (is_int($calculatedValue) || is_float($calculatedValue)) {
// Numeric value
$num = pack('d', $calculatedValue);
} elseif (is_string($calculatedValue)) {
if (array_key_exists($calculatedValue, Cell_DataType::getErrorCodes())) {
// Error value
$num = pack('CCCvCv', 0x2, 0x0, $this->_mapErrorCode($calculatedValue), 0x0, 0x0, 0xffff);
} elseif ($calculatedValue === '' && $this->_BIFF_version == 0x600) {
// Empty string (and BIFF8)
$num = pack('CCCvCv', 0x3, 0x0, 0x0, 0x0, 0x0, 0xffff);
} else {
// Non-empty string value (or empty string BIFF5)
$stringValue = $calculatedValue;
$num = pack('CCCvCv', 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff);
}
} else {
// We are really not supposed to reach here
$num = pack('d', 0x0);
}
} else {
$num = pack('d', 0x0);
}
$grbit = 0x3;
// Option flags
$unknown = 0x0;
// Must be zero
// Strip the '=' or '@' sign at the beginning of the formula string
if (preg_match("/^=/", $formula)) {
$formula = preg_replace("/(^=)/", "", $formula);
} else {
// Error handling
$this->_writeString($row, $col, 'Unrecognised character for formula');
return -1;
}
// Parse the formula using the parser in Parser.php
try {
$error = $this->_parser->parse($formula);
$formula = $this->_parser->toReversePolish();
$formlen = strlen($formula);
// Length of the binary string
$length = 0x16 + $formlen;
// Length of the record data
$header = pack("vv", $record, $length);
$data = pack("vvv", $row, $col, $xfIndex) . $num . pack("vVv", $grbit, $unknown, $formlen);
$this->_append($header . $data . $formula);
// Append also a STRING record if necessary
if ($stringValue !== null) {
$this->_writeStringRecord($stringValue);
}
return 0;
} catch (Exception $e) {
// do nothing
}
}
/**
* Set cell value (with explicit data type given)
*
* @param mixed $pValue Value
* @param string $pDataType Explicit data type
* @return Cell
* @throws Exception
*/
public function setValueExplicit($pValue = null, $pDataType = Cell_DataType::TYPE_STRING)
{
// set the value according to data type
switch ($pDataType) {
case Cell_DataType::TYPE_STRING:
case Cell_DataType::TYPE_NULL:
case Cell_DataType::TYPE_INLINE:
$this->_value = Cell_DataType::checkString($pValue);
break;
case Cell_DataType::TYPE_NUMERIC:
$this->_value = (double) $pValue;
break;
case Cell_DataType::TYPE_FORMULA:
$this->_value = (string) $pValue;
break;
case Cell_DataType::TYPE_BOOL:
$this->_value = (bool) $pValue;
break;
case Cell_DataType::TYPE_ERROR:
$this->_value = Cell_DataType::checkErrorCode($pValue);
break;
default:
throw new Exception('Invalid datatype: ' . $pDataType);
break;
}
// set the datatype
$this->_dataType = $pDataType;
$this->notifyCacheController();
return $this;
}
