/**
* Check a string that it satisfies Excel requirements
*
* @param mixed Value to sanitize to an Excel string
* @return mixed Sanitized value
*/
public static function checkString($pValue = null)
{
if ($pValue instanceof RichText) {
// TODO: Sanitize Rich-Text string (max. character count is 32,767)
return $pValue;
}
// string must never be longer than 32,767 characters, truncate if necessary
$pValue = Shared_String::Substring($pValue, 0, 32767);
// we require that newline is represented as "\n" in core, not as "\r\n" or "\r"
$pValue = str_replace(array("\r\n", "\r"), "\n", $pValue);
return $pValue;
}
/**
* Read LABELSST record
* This record represents a cell that contains a string. It
* replaces the LABEL record and RSTRING record used in
* BIFF2-BIFF5.
*
* -- "OpenOffice.org's Documentation of the Microsoft
* Excel File Format"
*/
private function _readLabelSst()
{
$length = $this->_GetInt2d($this->_data, $this->_pos + 2);
$recordData = substr($this->_data, $this->_pos + 4, $length);
// move stream pointer to next record
$this->_pos += 4 + $length;
// offset: 0; size: 2; index to row
$row = $this->_GetInt2d($recordData, 0);
// offset: 2; size: 2; index to column
$column = $this->_GetInt2d($recordData, 2);
$columnString = Cell::stringFromColumnIndex($column);
// Read cell?
if (!is_null($this->getReadFilter()) && $this->getReadFilter()->readCell($columnString, $row + 1, $this->_phpSheet->getTitle())) {
// offset: 4; size: 2; index to XF record
$xfIndex = $this->_GetInt2d($recordData, 4);
// offset: 6; size: 4; index to SST record
$index = $this->_GetInt4d($recordData, 6);
// add cell
if (($fmtRuns = $this->_sst[$index]['fmtRuns']) && !$this->_readDataOnly) {
// then we should treat as rich text
$richText = new RichText();
$charPos = 0;
for ($i = 0; $i <= count($this->_sst[$index]['fmtRuns']); ++$i) {
if (isset($fmtRuns[$i])) {
$text = Shared_String::Substring($this->_sst[$index]['value'], $charPos, $fmtRuns[$i]['charPos'] - $charPos);
$charPos = $fmtRuns[$i]['charPos'];
} else {
$text = Shared_String::Substring($this->_sst[$index]['value'], $charPos, Shared_String::CountCharacters($this->_sst[$index]['value']));
}
if (Shared_String::CountCharacters($text) > 0) {
if ($i == 0) {
// first text run, no style
$richText->createText($text);
} else {
$textRun = $richText->createTextRun($text);
if (isset($fmtRuns[$i - 1])) {
if ($fmtRuns[$i - 1]['fontIndex'] < 4) {
$fontIndex = $fmtRuns[$i - 1]['fontIndex'];
} else {
// this has to do with that index 4 is omitted in all BIFF versions for some strange reason
// check the OpenOffice documentation of the FONT record
$fontIndex = $fmtRuns[$i - 1]['fontIndex'] - 1;
}
$textRun->setFont(clone $this->_objFonts[$fontIndex]);
}
}
}
}
$cell = $this->_phpSheet->getCell($columnString . ($row + 1));
$cell->setValueExplicit($richText, Cell_DataType::TYPE_STRING);
} else {
$cell = $this->_phpSheet->getCell($columnString . ($row + 1));
$cell->setValueExplicit($this->_sst[$index]['value'], Cell_DataType::TYPE_STRING);
}
if (!$this->_readDataOnly) {
// add style information
$cell->setXfIndex($this->_mapCellXfIndex[$xfIndex]);
}
}
}
