/**
* Convert string to UTF-8. Only used for BIFF5.
*
* @param string $string
* @return string
*/
private function _decodeCodepage($string)
{
$result = Shared_String::ConvertEncoding($string, 'UTF-8', $this->_codepage);
return $result;
}
/**
* Loads PHPExcel from file into PHPExcel instance
*
* @access public
* @param string $pFilename
* @param PHPExcel $objPHPExcel
* @return PHPExcel
* @throws Exception
*/
public function loadIntoExisting($pFilename, PHPExcel $objPHPExcel)
{
// Check if file exists
if (!file_exists($pFilename)) {
throw new Exception("Could not open " . $pFilename . " for reading! File does not exist.");
}
// Create new PHPExcel
while ($objPHPExcel->getSheetCount() <= $this->_sheetIndex) {
$objPHPExcel->createSheet();
}
$objPHPExcel->setActiveSheetIndex($this->_sheetIndex);
// Open file
$fileHandle = fopen($pFilename, 'r');
if ($fileHandle === false) {
throw new Exception("Could not open file {$pFilename} for reading.");
}
// Skip BOM, if any
switch ($this->_inputEncoding) {
case 'UTF-8':
fgets($fileHandle, 4) == "" ? fseek($fileHandle, 3) : fseek($fileHandle, 0);
break;
default:
break;
}
// Loop through file
$currentRow = 0;
$rowData = array();
while (($rowData = fgetcsv($fileHandle, 0, $this->_delimiter, $this->_enclosure)) !== FALSE) {
++$currentRow;
$rowDataCount = count($rowData);
for ($i = 0; $i < $rowDataCount; ++$i) {
$columnLetter = Cell::stringFromColumnIndex($i);
if ($rowData[$i] != '' && $this->_readFilter->readCell($columnLetter, $currentRow)) {
// Unescape enclosures
$rowData[$i] = str_replace("\\" . $this->_enclosure, $this->_enclosure, $rowData[$i]);
$rowData[$i] = str_replace($this->_enclosure . $this->_enclosure, $this->_enclosure, $rowData[$i]);
// Convert encoding if necessary
if ($this->_inputEncoding !== 'UTF-8') {
$rowData[$i] = Shared_String::ConvertEncoding($rowData[$i], 'UTF-8', $this->_inputEncoding);
}
// Set cell value
$objPHPExcel->getActiveSheet()->getCell($columnLetter . $currentRow)->setValue($rowData[$i]);
}
}
}
// Close file
fclose($fileHandle);
// Return
return $objPHPExcel;
}
/**
* Used to write internal reference hyperlinks such as "Sheet1!A1".
*
* @access private
* @see _writeUrl()
* @param integer $row1 Start row
* @param integer $col1 Start column
* @param integer $row2 End row
* @param integer $col2 End column
* @param string $url URL string
* @return integer
*/
function _writeUrlInternal($row1, $col1, $row2, $col2, $url)
{
$record = 0x1b8;
// Record identifier
$length = 0x0;
// Bytes to follow
// Strip URL type
$url = preg_replace('/^internal:/', '', $url);
// Pack the undocumented parts of the hyperlink stream
$unknown1 = pack("H*", "D0C9EA79F9BACE118C8200AA004BA90B02000000");
// Pack the option flags
$options = pack("V", 0x8);
// Convert the URL type and to a null terminated wchar string
$url .= "";
// character count
$url_len = Shared_String::CountCharacters($url);
$url_len = pack('V', $url_len);
$url = Shared_String::ConvertEncoding($url, 'UTF-16LE', 'UTF-8');
// Calculate the data length
$length = 0x24 + strlen($url);
// Pack the header data
$header = pack("vv", $record, $length);
$data = pack("vvvv", $row1, $row2, $col1, $col2);
// Write the packed data
$this->_append($header . $data . $unknown1 . $options . $url_len . $url);
return 0;
}
