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<?php
namespace PhpOffice\PhpSpreadsheet\Reader;
use DateTime;
use DateTimeZone;
use DOMAttr;
use DOMDocument;
use DOMElement;
use DOMNode;
use PhpOffice\PhpSpreadsheet\Calculation\Calculation;
use PhpOffice\PhpSpreadsheet\Cell\Coordinate;
use PhpOffice\PhpSpreadsheet\Cell\DataType;
use PhpOffice\PhpSpreadsheet\DefinedName;
use PhpOffice\PhpSpreadsheet\Reader\Exception as ReaderException;
use PhpOffice\PhpSpreadsheet\Reader\Ods\PageSettings;
use PhpOffice\PhpSpreadsheet\Reader\Ods\Properties as DocumentProperties;
use PhpOffice\PhpSpreadsheet\Reader\Security\XmlScanner;
use PhpOffice\PhpSpreadsheet\RichText\RichText;
use PhpOffice\PhpSpreadsheet\Settings;
use PhpOffice\PhpSpreadsheet\Shared\Date;
use PhpOffice\PhpSpreadsheet\Shared\File;
use PhpOffice\PhpSpreadsheet\Spreadsheet;
use PhpOffice\PhpSpreadsheet\Style\NumberFormat;
use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
use XMLReader;
use ZipArchive;
class Ods extends BaseReader
{
/**
* Create a new Ods Reader instance.
*/
public function __construct()
{
parent::__construct();
$this->securityScanner = XmlScanner::getInstance($this);
}
/**
* Can the current IReader read the file?
*
* @param string $pFilename
*
* @return bool
*/
public function canRead($pFilename)
{
File::assertFile($pFilename);
$mimeType = 'UNKNOWN';
// Load file
$zip = new ZipArchive();
if ($zip->open($pFilename) === true) {
// check if it is an OOXML archive
$stat = $zip->statName('mimetype');
if ($stat && ($stat['size'] <= 255)) {
$mimeType = $zip->getFromName($stat['name']);
} elseif ($zip->statName('META-INF/manifest.xml')) {
$xml = simplexml_load_string(
$this->securityScanner->scan($zip->getFromName('META-INF/manifest.xml')),
'SimpleXMLElement',
Settings::getLibXmlLoaderOptions()
);
$namespacesContent = $xml->getNamespaces(true);
if (isset($namespacesContent['manifest'])) {
$manifest = $xml->children($namespacesContent['manifest']);
foreach ($manifest as $manifestDataSet) {
$manifestAttributes = $manifestDataSet->attributes($namespacesContent['manifest']);
if ($manifestAttributes->{'full-path'} == '/') {
$mimeType = (string) $manifestAttributes->{'media-type'};
break;
}
}
}
}
$zip->close();
}
return $mimeType === 'application/vnd.oasis.opendocument.spreadsheet';
}
/**
* Reads names of the worksheets from a file, without parsing the whole file to a PhpSpreadsheet object.
*
* @param string $pFilename
*
* @return string[]
*/
public function listWorksheetNames($pFilename)
{
File::assertFile($pFilename);
$zip = new ZipArchive();
if ($zip->open($pFilename) !== true) {
throw new ReaderException('Could not open ' . $pFilename . ' for reading! Error opening file.');
}
$worksheetNames = [];
$xml = new XMLReader();
$xml->xml(
$this->securityScanner->scanFile('zip://' . realpath($pFilename) . '#content.xml'),
null,
Settings::getLibXmlLoaderOptions()
);
$xml->setParserProperty(2, true);
// Step into the first level of content of the XML
$xml->read();
while ($xml->read()) {
// Quickly jump through to the office:body node
while ($xml->name !== 'office:body') {
if ($xml->isEmptyElement) {
$xml->read();
} else {
$xml->next();
}
}
// Now read each node until we find our first table:table node
while ($xml->read()) {
if ($xml->name == 'table:table' && $xml->nodeType == XMLReader::ELEMENT) {
// Loop through each table:table node reading the table:name attribute for each worksheet name
do {
$worksheetNames[] = $xml->getAttribute('table:name');
$xml->next();
} while ($xml->name == 'table:table' && $xml->nodeType == XMLReader::ELEMENT);
}
}
}
return $worksheetNames;
}
/**
* Return worksheet info (Name, Last Column Letter, Last Column Index, Total Rows, Total Columns).
*
* @param string $pFilename
*
* @return array
*/
public function listWorksheetInfo($pFilename)
{
File::assertFile($pFilename);
$worksheetInfo = [];
$zip = new ZipArchive();
if ($zip->open($pFilename) !== true) {
throw new ReaderException('Could not open ' . $pFilename . ' for reading! Error opening file.');
}
$xml = new XMLReader();
$xml->xml(
$this->securityScanner->scanFile('zip://' . realpath($pFilename) . '#content.xml'),
null,
Settings::getLibXmlLoaderOptions()
);
$xml->setParserProperty(2, true);
// Step into the first level of content of the XML
$xml->read();
while ($xml->read()) {
// Quickly jump through to the office:body node
while ($xml->name !== 'office:body') {
if ($xml->isEmptyElement) {
$xml->read();
} else {
$xml->next();
}
}
// Now read each node until we find our first table:table node
while ($xml->read()) {
if ($xml->name == 'table:table' && $xml->nodeType == XMLReader::ELEMENT) {
$worksheetNames[] = $xml->getAttribute('table:name');
$tmpInfo = [
'worksheetName' => $xml->getAttribute('table:name'),
'lastColumnLetter' => 'A',
'lastColumnIndex' => 0,
'totalRows' => 0,
'totalColumns' => 0,
];
// Loop through each child node of the table:table element reading
$currCells = 0;
do {
$xml->read();
if ($xml->name == 'table:table-row' && $xml->nodeType == XMLReader::ELEMENT) {
$rowspan = $xml->getAttribute('table:number-rows-repeated');
$rowspan = empty($rowspan) ? 1 : $rowspan;
$tmpInfo['totalRows'] += $rowspan;
$tmpInfo['totalColumns'] = max($tmpInfo['totalColumns'], $currCells);
$currCells = 0;
// Step into the row
$xml->read();
do {
$doread = true;
if ($xml->name == 'table:table-cell' && $xml->nodeType == XMLReader::ELEMENT) {
if (!$xml->isEmptyElement) {
++$currCells;
$xml->next();
$doread = false;
}
} elseif ($xml->name == 'table:covered-table-cell' && $xml->nodeType == XMLReader::ELEMENT) {
$mergeSize = $xml->getAttribute('table:number-columns-repeated');
$currCells += (int) $mergeSize;
}
if ($doread) {
$xml->read();
}
} while ($xml->name != 'table:table-row');
}
} while ($xml->name != 'table:table');
$tmpInfo['totalColumns'] = max($tmpInfo['totalColumns'], $currCells);
$tmpInfo['lastColumnIndex'] = $tmpInfo['totalColumns'] - 1;
$tmpInfo['lastColumnLetter'] = Coordinate::stringFromColumnIndex($tmpInfo['lastColumnIndex'] + 1);
$worksheetInfo[] = $tmpInfo;
}
}
}
return $worksheetInfo;
}
/**
* Loads PhpSpreadsheet from file.
*
* @param string $pFilename
*
* @return Spreadsheet
*/
public function load($pFilename)
{
// Create new Spreadsheet
$spreadsheet = new Spreadsheet();
// Load into this instance
return $this->loadIntoExisting($pFilename, $spreadsheet);
}
/**
* Loads PhpSpreadsheet from file into PhpSpreadsheet instance.
*
* @param string $pFilename
*
* @return Spreadsheet
*/
public function loadIntoExisting($pFilename, Spreadsheet $spreadsheet)
{
File::assertFile($pFilename);
$timezoneObj = new DateTimeZone('Europe/London');
$GMT = new DateTimeZone('UTC');
$zip = new ZipArchive();
if ($zip->open($pFilename) !== true) {
throw new Exception("Could not open {$pFilename} for reading! Error opening file.");
}
// Meta
$xml = @simplexml_load_string(
$this->securityScanner->scan($zip->getFromName('meta.xml')),
'SimpleXMLElement',
Settings::getLibXmlLoaderOptions()
);
if ($xml === false) {
throw new Exception('Unable to read data from {$pFilename}');
}
$namespacesMeta = $xml->getNamespaces(true);
(new DocumentProperties($spreadsheet))->load($xml, $namespacesMeta);
// Styles
$dom = new DOMDocument('1.01', 'UTF-8');
$dom->loadXML(
$this->securityScanner->scan($zip->getFromName('styles.xml')),
Settings::getLibXmlLoaderOptions()
);
$pageSettings = new PageSettings($dom);
// Main Content
$dom = new DOMDocument('1.01', 'UTF-8');
$dom->loadXML(
$this->securityScanner->scan($zip->getFromName('content.xml')),
Settings::getLibXmlLoaderOptions()
);
$officeNs = $dom->lookupNamespaceUri('office');
$tableNs = $dom->lookupNamespaceUri('table');
$textNs = $dom->lookupNamespaceUri('text');
$xlinkNs = $dom->lookupNamespaceUri('xlink');
$pageSettings->readStyleCrossReferences($dom);
// Content
$spreadsheets = $dom->getElementsByTagNameNS($officeNs, 'body')
->item(0)
->getElementsByTagNameNS($officeNs, 'spreadsheet');
foreach ($spreadsheets as $workbookData) {
/** @var DOMElement $workbookData */
$tables = $workbookData->getElementsByTagNameNS($tableNs, 'table');
$worksheetID = 0;
foreach ($tables as $worksheetDataSet) {
/** @var DOMElement $worksheetDataSet */
$worksheetName = $worksheetDataSet->getAttributeNS($tableNs, 'name');
// Check loadSheetsOnly
if (
isset($this->loadSheetsOnly)
&& $worksheetName
&& !in_array($worksheetName, $this->loadSheetsOnly)
) {
continue;
}
$worksheetStyleName = $worksheetDataSet->getAttributeNS($tableNs, 'style-name');
// Create sheet
if ($worksheetID > 0) {
$spreadsheet->createSheet(); // First sheet is added by default
}
$spreadsheet->setActiveSheetIndex($worksheetID);
if ($worksheetName) {
// Use false for $updateFormulaCellReferences to prevent adjustment of worksheet references in
// formula cells... during the load, all formulae should be correct, and we're simply
// bringing the worksheet name in line with the formula, not the reverse
$spreadsheet->getActiveSheet()->setTitle((string) $worksheetName, false, false);
}
// Go through every child of table element
$rowID = 1;
foreach ($worksheetDataSet->childNodes as $childNode) {
/** @var DOMElement $childNode */
// Filter elements which are not under the "table" ns
if ($childNode->namespaceURI != $tableNs) {
continue;
}
$key = $childNode->nodeName;
// Remove ns from node name
if (strpos($key, ':') !== false) {
$keyChunks = explode(':', $key);
$key = array_pop($keyChunks);
}
switch ($key) {
case 'table-header-rows':
/// TODO :: Figure this out. This is only a partial implementation I guess.
// ($rowData it's not used at all and I'm not sure that PHPExcel
// has an API for this)
// foreach ($rowData as $keyRowData => $cellData) {
// $rowData = $cellData;
// break;
// }
break;
case 'table-row':
if ($childNode->hasAttributeNS($tableNs, 'number-rows-repeated')) {
$rowRepeats = $childNode->getAttributeNS($tableNs, 'number-rows-repeated');
} else {
$rowRepeats = 1;
}
$columnID = 'A';
foreach ($childNode->childNodes as $key => $cellData) {
// @var \DOMElement $cellData
if ($this->getReadFilter() !== null) {
if (!$this->getReadFilter()->readCell($columnID, $rowID, $worksheetName)) {
++$columnID;
continue;
}
}
// Initialize variables
$formatting = $hyperlink = null;
$hasCalculatedValue = false;
$cellDataFormula = '';
if ($cellData->hasAttributeNS($tableNs, 'formula')) {
$cellDataFormula = $cellData->getAttributeNS($tableNs, 'formula');
$hasCalculatedValue = true;
}
// Annotations
$annotation = $cellData->getElementsByTagNameNS($officeNs, 'annotation');
if ($annotation->length > 0) {
$textNode = $annotation->item(0)->getElementsByTagNameNS($textNs, 'p');
if ($textNode->length > 0) {
$text = $this->scanElementForText($textNode->item(0));
$spreadsheet->getActiveSheet()
->getComment($columnID . $rowID)
->setText($this->parseRichText($text));
// ->setAuthor( $author )
}
}
// Content
/** @var DOMElement[] $paragraphs */
$paragraphs = [];
foreach ($cellData->childNodes as $item) {
/** @var DOMElement $item */
// Filter text:p elements
if ($item->nodeName == 'text:p') {
$paragraphs[] = $item;
}
}
if (count($paragraphs) > 0) {
// Consolidate if there are multiple p records (maybe with spans as well)
$dataArray = [];
// Text can have multiple text:p and within those, multiple text:span.
// text:p newlines, but text:span does not.
// Also, here we assume there is no text data is span fields are specified, since
// we have no way of knowing proper positioning anyway.
foreach ($paragraphs as $pData) {
$dataArray[] = $this->scanElementForText($pData);
}
$allCellDataText = implode("\n", $dataArray);
$type = $cellData->getAttributeNS($officeNs, 'value-type');
switch ($type) {
case 'string':
$type = DataType::TYPE_STRING;
$dataValue = $allCellDataText;
foreach ($paragraphs as $paragraph) {
$link = $paragraph->getElementsByTagNameNS($textNs, 'a');
if ($link->length > 0) {
$hyperlink = $link->item(0)->getAttributeNS($xlinkNs, 'href');
}
}
break;
case 'boolean':
$type = DataType::TYPE_BOOL;
$dataValue = ($allCellDataText == 'TRUE') ? true : false;
break;
case 'percentage':
$type = DataType::TYPE_NUMERIC;
$dataValue = (float) $cellData->getAttributeNS($officeNs, 'value');
// percentage should always be float
//if (floor($dataValue) == $dataValue) {
// $dataValue = (int) $dataValue;
//}
$formatting = NumberFormat::FORMAT_PERCENTAGE_00;
break;
case 'currency':
$type = DataType::TYPE_NUMERIC;
$dataValue = (float) $cellData->getAttributeNS($officeNs, 'value');
if (floor($dataValue) == $dataValue) {
$dataValue = (int) $dataValue;
}
$formatting = NumberFormat::FORMAT_CURRENCY_USD_SIMPLE;
break;
case 'float':
$type = DataType::TYPE_NUMERIC;
$dataValue = (float) $cellData->getAttributeNS($officeNs, 'value');
if (floor($dataValue) == $dataValue) {
if ($dataValue == (int) $dataValue) {
$dataValue = (int) $dataValue;
}
}
break;
case 'date':
$type = DataType::TYPE_NUMERIC;
$value = $cellData->getAttributeNS($officeNs, 'date-value');
$dateObj = new DateTime($value, $GMT);
$dateObj->setTimeZone($timezoneObj);
[$year, $month, $day, $hour, $minute, $second] = explode(
' ',
$dateObj->format('Y m d H i s')
);
$dataValue = Date::formattedPHPToExcel(
(int) $year,
(int) $month,
(int) $day,
(int) $hour,
(int) $minute,
(int) $second
);
if ($dataValue != floor($dataValue)) {
$formatting = NumberFormat::FORMAT_DATE_XLSX15
. ' '
. NumberFormat::FORMAT_DATE_TIME4;
} else {
$formatting = NumberFormat::FORMAT_DATE_XLSX15;
}
break;
case 'time':
$type = DataType::TYPE_NUMERIC;
$timeValue = $cellData->getAttributeNS($officeNs, 'time-value');
$dataValue = Date::PHPToExcel(
strtotime(
'01-01-1970 ' . implode(':', sscanf($timeValue, 'PT%dH%dM%dS'))
)
);
$formatting = NumberFormat::FORMAT_DATE_TIME4;
break;
default:
$dataValue = null;
}
} else {
$type = DataType::TYPE_NULL;
$dataValue = null;
}
if ($hasCalculatedValue) {
$type = DataType::TYPE_FORMULA;
$cellDataFormula = substr($cellDataFormula, strpos($cellDataFormula, ':=') + 1);
$cellDataFormula = $this->convertToExcelFormulaValue($cellDataFormula);
}
if ($cellData->hasAttributeNS($tableNs, 'number-columns-repeated')) {
$colRepeats = (int) $cellData->getAttributeNS($tableNs, 'number-columns-repeated');
} else {
$colRepeats = 1;
}
if ($type !== null) {
for ($i = 0; $i < $colRepeats; ++$i) {
if ($i > 0) {
++$columnID;
}
if ($type !== DataType::TYPE_NULL) {
for ($rowAdjust = 0; $rowAdjust < $rowRepeats; ++$rowAdjust) {
$rID = $rowID + $rowAdjust;
$cell = $spreadsheet->getActiveSheet()
->getCell($columnID . $rID);
// Set value
if ($hasCalculatedValue) {
$cell->setValueExplicit($cellDataFormula, $type);
} else {
$cell->setValueExplicit($dataValue, $type);
}
if ($hasCalculatedValue) {
$cell->setCalculatedValue($dataValue);
}
// Set other properties
if ($formatting !== null) {
$spreadsheet->getActiveSheet()
->getStyle($columnID . $rID)
->getNumberFormat()
->setFormatCode($formatting);
} else {
$spreadsheet->getActiveSheet()
->getStyle($columnID . $rID)
->getNumberFormat()
->setFormatCode(NumberFormat::FORMAT_GENERAL);
}
if ($hyperlink !== null) {
$cell->getHyperlink()
->setUrl($hyperlink);
}
}
}
}
}
// Merged cells
if (
$cellData->hasAttributeNS($tableNs, 'number-columns-spanned')
|| $cellData->hasAttributeNS($tableNs, 'number-rows-spanned')
) {
if (($type !== DataType::TYPE_NULL) || (!$this->readDataOnly)) {
$columnTo = $columnID;
if ($cellData->hasAttributeNS($tableNs, 'number-columns-spanned')) {
$columnIndex = Coordinate::columnIndexFromString($columnID);
$columnIndex += (int) $cellData->getAttributeNS($tableNs, 'number-columns-spanned');
$columnIndex -= 2;
$columnTo = Coordinate::stringFromColumnIndex($columnIndex + 1);
}
$rowTo = $rowID;
if ($cellData->hasAttributeNS($tableNs, 'number-rows-spanned')) {
$rowTo = $rowTo + (int) $cellData->getAttributeNS($tableNs, 'number-rows-spanned') - 1;
}
$cellRange = $columnID . $rowID . ':' . $columnTo . $rowTo;
$spreadsheet->getActiveSheet()->mergeCells($cellRange);
}
}
++$columnID;
}
$rowID += $rowRepeats;
break;
}
}
$pageSettings->setPrintSettingsForWorksheet($spreadsheet->getActiveSheet(), $worksheetStyleName);
++$worksheetID;
}
$this->readDefinedRanges($spreadsheet, $workbookData, $tableNs);
$this->readDefinedExpressions($spreadsheet, $workbookData, $tableNs);
}
$spreadsheet->setActiveSheetIndex(0);
// Return
return $spreadsheet;
}
/**
* Recursively scan element.
*
* @return string
*/
protected function scanElementForText(DOMNode $element)
{
$str = '';
foreach ($element->childNodes as $child) {
/** @var DOMNode $child */
if ($child->nodeType == XML_TEXT_NODE) {
$str .= $child->nodeValue;
} elseif ($child->nodeType == XML_ELEMENT_NODE && $child->nodeName == 'text:s') {
// It's a space
// Multiple spaces?
/** @var DOMAttr $cAttr */
$cAttr = $child->attributes->getNamedItem('c');
if ($cAttr) {
$multiplier = (int) $cAttr->nodeValue;
} else {
$multiplier = 1;
}
$str .= str_repeat(' ', $multiplier);
}
if ($child->hasChildNodes()) {
$str .= $this->scanElementForText($child);
}
}
return $str;
}
/**
* @param string $is
*
* @return RichText
*/
private function parseRichText($is)
{
$value = new RichText();
$value->createText($is);
return $value;
}
private function convertToExcelAddressValue(string $openOfficeAddress): string
{
$excelAddress = $openOfficeAddress;
// Cell range 3-d reference
// As we don't support 3-d ranges, we're just going to take a quick and dirty approach
// and assume that the second worksheet reference is the same as the first
$excelAddress = preg_replace('/\$?([^\.]+)\.([^\.]+):\$?([^\.]+)\.([^\.]+)/miu', '$1!$2:$4', $excelAddress);
// Cell range reference in another sheet
$excelAddress = preg_replace('/\$?([^\.]+)\.([^\.]+):\.([^\.]+)/miu', '$1!$2:$3', $excelAddress);
// Cell reference in another sheet
$excelAddress = preg_replace('/\$?([^\.]+)\.([^\.]+)/miu', '$1!$2', $excelAddress);
// Cell range reference
$excelAddress = preg_replace('/\.([^\.]+):\.([^\.]+)/miu', '$1:$2', $excelAddress);
// Simple cell reference
$excelAddress = preg_replace('/\.([^\.]+)/miu', '$1', $excelAddress);
return $excelAddress;
}
private function convertToExcelFormulaValue(string $openOfficeFormula): string
{
$temp = explode('"', $openOfficeFormula);
$tKey = false;
foreach ($temp as &$value) {
// Only replace in alternate array entries (i.e. non-quoted blocks)
if ($tKey = !$tKey) {
// Cell range reference in another sheet
$value = preg_replace('/\[\$?([^\.]+)\.([^\.]+):\.([^\.]+)\]/miu', '$1!$2:$3', $value);
// Cell reference in another sheet
$value = preg_replace('/\[\$?([^\.]+)\.([^\.]+)\]/miu', '$1!$2', $value);
// Cell range reference
$value = preg_replace('/\[\.([^\.]+):\.([^\.]+)\]/miu', '$1:$2', $value);
// Simple cell reference
$value = preg_replace('/\[\.([^\.]+)\]/miu', '$1', $value);
$value = Calculation::translateSeparator(';', ',', $value, $inBraces);
}
}
// Then rebuild the formula string
$excelFormula = implode('"', $temp);
return $excelFormula;
}
/**
* Read any Named Ranges that are defined in this spreadsheet.
*/
private function readDefinedRanges(Spreadsheet $spreadsheet, DOMElement $workbookData, string $tableNs): void
{
$namedRanges = $workbookData->getElementsByTagNameNS($tableNs, 'named-range');
foreach ($namedRanges as $definedNameElement) {
$definedName = $definedNameElement->getAttributeNS($tableNs, 'name');
$baseAddress = $definedNameElement->getAttributeNS($tableNs, 'base-cell-address');
$range = $definedNameElement->getAttributeNS($tableNs, 'cell-range-address');
$baseAddress = $this->convertToExcelAddressValue($baseAddress);
$range = $this->convertToExcelAddressValue($range);
$this->addDefinedName($spreadsheet, $baseAddress, $definedName, $range);
}
}
/**
* Read any Named Formulae that are defined in this spreadsheet.
*/
private function readDefinedExpressions(Spreadsheet $spreadsheet, DOMElement $workbookData, string $tableNs): void
{
$namedExpressions = $workbookData->getElementsByTagNameNS($tableNs, 'named-expression');
foreach ($namedExpressions as $definedNameElement) {
$definedName = $definedNameElement->getAttributeNS($tableNs, 'name');
$baseAddress = $definedNameElement->getAttributeNS($tableNs, 'base-cell-address');
$expression = $definedNameElement->getAttributeNS($tableNs, 'expression');
$baseAddress = $this->convertToExcelAddressValue($baseAddress);
$expression = $this->convertToExcelFormulaValue($expression);
$this->addDefinedName($spreadsheet, $baseAddress, $definedName, $expression);
}
}
/**
* Assess scope and store the Defined Name.
*/
private function addDefinedName(Spreadsheet $spreadsheet, string $baseAddress, string $definedName, string $value): void
{
[$sheetReference] = Worksheet::extractSheetTitle($baseAddress, true);
$worksheet = $spreadsheet->getSheetByName($sheetReference);
// Worksheet might still be null if we're only loading selected sheets rather than the full spreadsheet
if ($worksheet !== null) {
$spreadsheet->addDefinedName(DefinedName::createInstance((string) $definedName, $worksheet, $value));
}
}
}
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