mirror of
https://github.com/retailcrm/PHPExcel.git
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Initial modifications for XML-based sheet readers to use XMLReader via streaming for large files in the listWorksheetNames() and listWorksheetInfo() methods... still needs some additional work for merged cells to work correctly, but gives a hell of a memory boost and executes more quickly - the same principles will be applied to the core data readers, but that still requires a lot more work. However, when completed, the effort should be worth it for both speed and memory usage, and the code should be a lot cleaner for the core data reader as well
This commit is contained in:
Mark Baker
parent
5de1067a16
commit
0ad3f67da6
@ -28,7 +28,7 @@
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PHPExcel_Autoloader::Register();
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// As we always try to run the autoloader before anything else, we can use it to do a few
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// simple checks and initialisations
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PHPExcel_Shared_ZipStreamWrapper::register();
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//PHPExcel_Shared_ZipStreamWrapper::register();
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// check mbstring.func_overload
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if (ini_get('mbstring.func_overload') & 2) {
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throw new Exception('Multibyte function overloading in PHP must be disabled for string functions (2).');
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@ -112,6 +112,50 @@ class PHPExcel_Reader_Excel2007 extends PHPExcel_Reader_Abstract implements PHPE
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}
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/**
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* Reads names of the worksheets from a file, without parsing the whole file to a PHPExcel object
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*
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* @param string $pFilename
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* @throws PHPExcel_Reader_Exception
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*/
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public function listWorksheetNames($pFilename)
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{
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// Check if file exists
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if (!file_exists($pFilename)) {
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throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! File does not exist.");
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}
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$worksheetNames = array();
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$zip = new ZipArchive;
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$zip->open($pFilename);
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// The files we're looking at here are small enough that simpleXML is more efficient than XMLReader
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$rels = simplexml_load_string(
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$this->_getFromZipArchive($zip, "_rels/.rels")
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); //~ http://schemas.openxmlformats.org/package/2006/relationships");
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foreach ($rels->Relationship as $rel) {
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switch ($rel["Type"]) {
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case "http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument":
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$xmlWorkbook = simplexml_load_string(
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$this->_getFromZipArchive($zip, "{$rel['Target']}")
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); //~ http://schemas.openxmlformats.org/spreadsheetml/2006/main");
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if ($xmlWorkbook->sheets) {
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foreach ($xmlWorkbook->sheets->sheet as $eleSheet) {
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// Check if sheet should be skipped
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$worksheetNames[] = (string) $eleSheet["name"];
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}
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}
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}
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}
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$zip->close();
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return $worksheetNames;
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}
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/**
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* Return worksheet info (Name, Last Column Letter, Last Column Index, Total Rows, Total Columns)
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*
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@ -148,32 +192,35 @@ class PHPExcel_Reader_Excel2007 extends PHPExcel_Reader_Abstract implements PHPE
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if ($xmlWorkbook->sheets) {
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$dir = dirname($rel["Target"]);
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foreach ($xmlWorkbook->sheets->sheet as $eleSheet) {
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$tmpInfo = array();
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$tmpInfo['worksheetName'] = (string) $eleSheet["name"];
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$tmpInfo['lastColumnLetter'] = 'A';
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$tmpInfo['lastColumnIndex'] = 0;
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$tmpInfo['totalRows'] = 0;
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$tmpInfo['totalColumns'] = 0;
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$tmpInfo = array(
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'worksheetName' => (string) $eleSheet["name"],
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'lastColumnLetter' => 'A',
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'lastColumnIndex' => 0,
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'totalRows' => 0,
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'totalColumns' => 0,
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);
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$fileWorksheet = $worksheets[(string) self::array_item($eleSheet->attributes("http://schemas.openxmlformats.org/officeDocument/2006/relationships"), "id")];
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$xmlSheet = simplexml_load_string($this->_getFromZipArchive($zip, "$dir/$fileWorksheet")); //~ http://schemas.openxmlformats.org/spreadsheetml/2006/main");
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if ($xmlSheet && $xmlSheet->sheetData && $xmlSheet->sheetData->row) {
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foreach ($xmlSheet->sheetData->row as $row) {
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foreach ($row->c as $c) {
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$r = (string) $c["r"];
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$coordinates = PHPExcel_Cell::coordinateFromString($r);
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$rowIndex = $coordinates[1];
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$columnIndex = PHPExcel_Cell::columnIndexFromString($coordinates[0]) - 1;
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$xml = new XMLReader();
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$res = $xml->open('zip://'.realpath($pFilename).'#'."$dir/$fileWorksheet");
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$xml->setParserProperty(2,true);
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$tmpInfo['totalRows'] = max($tmpInfo['totalRows'], $rowIndex);
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$tmpInfo['lastColumnIndex'] = max($tmpInfo['lastColumnIndex'], $columnIndex);
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}
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$currCells = 0;
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while ($xml->read()) {
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if ($xml->name == 'row' && $xml->nodeType == XMLReader::ELEMENT) {
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$tmpInfo['totalRows']++;
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$tmpInfo['totalColumns'] = max($tmpInfo['totalColumns'],$currCells);
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$currCells = 0;
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} elseif ($xml->name == 'c' && $xml->nodeType == XMLReader::ELEMENT) {
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$currCells++;
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}
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}
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$tmpInfo['totalColumns'] = max($tmpInfo['totalColumns'],$currCells);
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$xml->close();
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$tmpInfo['lastColumnIndex'] = $tmpInfo['totalColumns'] - 1;
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$tmpInfo['lastColumnLetter'] = PHPExcel_Cell::stringFromColumnIndex($tmpInfo['lastColumnIndex']);
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$tmpInfo['totalColumns'] = $tmpInfo['lastColumnIndex'] + 1;
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$worksheetInfo[] = $tmpInfo;
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}
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@ -282,45 +329,6 @@ class PHPExcel_Reader_Excel2007 extends PHPExcel_Reader_Abstract implements PHPE
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}
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/**
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* Reads names of the worksheets from a file, without parsing the whole file to a PHPExcel object
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*
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* @param string $pFilename
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* @throws PHPExcel_Reader_Exception
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*/
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public function listWorksheetNames($pFilename)
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{
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// Check if file exists
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if (!file_exists($pFilename)) {
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throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! File does not exist.");
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}
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$worksheetNames = array();
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$zip = new ZipArchive;
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$zip->open($pFilename);
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$rels = simplexml_load_string($this->_getFromZipArchive($zip, "_rels/.rels")); //~ http://schemas.openxmlformats.org/package/2006/relationships");
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foreach ($rels->Relationship as $rel) {
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switch ($rel["Type"]) {
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case "http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument":
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$xmlWorkbook = simplexml_load_string($this->_getFromZipArchive($zip, "{$rel['Target']}")); //~ http://schemas.openxmlformats.org/spreadsheetml/2006/main");
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if ($xmlWorkbook->sheets) {
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foreach ($xmlWorkbook->sheets->sheet as $eleSheet) {
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// Check if sheet should be skipped
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$worksheetNames[] = (string) $eleSheet["name"];
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}
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}
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}
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}
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$zip->close();
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return $worksheetNames;
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}
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/**
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* Loads PHPExcel from file
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*
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@ -102,6 +102,40 @@ class PHPExcel_Reader_Gnumeric extends PHPExcel_Reader_Abstract implements PHPEx
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}
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/**
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* Reads names of the worksheets from a file, without parsing the whole file to a PHPExcel object
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*
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* @param string $pFilename
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* @throws PHPExcel_Reader_Exception
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*/
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public function listWorksheetNames($pFilename)
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{
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// Check if file exists
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if (!file_exists($pFilename)) {
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throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! File does not exist.");
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}
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$xml = new XMLReader();
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$xml->open(
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'compress.zlib://'.realpath($pFilename)
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);
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$xml->setParserProperty(2,true);
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$worksheetNames = array();
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while ($xml->read()) {
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if ($xml->name == 'gnm:SheetName' && $xml->nodeType == XMLReader::ELEMENT) {
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$xml->read(); // Move onto the value node
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$worksheetNames[] = (string) $xml->value;
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} elseif ($xml->name == 'gnm:Sheets') {
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// break out of the loop once we've got our sheet names rather than parse the entire file
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break;
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}
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}
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return $worksheetNames;
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}
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/**
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* Return worksheet info (Name, Last Column Letter, Last Column Index, Total Rows, Total Columns)
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*
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@ -115,38 +149,41 @@ class PHPExcel_Reader_Gnumeric extends PHPExcel_Reader_Abstract implements PHPEx
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throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! File does not exist.");
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}
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$gFileData = $this->_gzfileGetContents($pFilename);
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$xml = simplexml_load_string($gFileData);
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$namespacesMeta = $xml->getNamespaces(true);
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$gnmXML = $xml->children($namespacesMeta['gnm']);
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$xml = new XMLReader();
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$xml->open(
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'compress.zlib://'.realpath($pFilename)
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);
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$xml->setParserProperty(2,true);
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$worksheetInfo = array();
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while ($xml->read()) {
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if ($xml->name == 'gnm:Sheet' && $xml->nodeType == XMLReader::ELEMENT) {
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$tmpInfo = array(
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'worksheetName' => '',
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'lastColumnLetter' => 'A',
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'lastColumnIndex' => 0,
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'totalRows' => 0,
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'totalColumns' => 0,
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);
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foreach ($gnmXML->Sheets->Sheet as $sheet) {
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$tmpInfo = array();
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$tmpInfo['worksheetName'] = (string) $sheet->Name;
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$tmpInfo['lastColumnLetter'] = 'A';
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$tmpInfo['lastColumnIndex'] = 0;
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$tmpInfo['totalRows'] = 0;
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$tmpInfo['totalColumns'] = 0;
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foreach ($sheet->Cells->Cell as $cell) {
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$cellAttributes = $cell->attributes();
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$rowIndex = (int) $cellAttributes->Row + 1;
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$columnIndex = (int) $cellAttributes->Col;
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$tmpInfo['totalRows'] = max($tmpInfo['totalRows'], $rowIndex);
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$tmpInfo['lastColumnIndex'] = max($tmpInfo['lastColumnIndex'], $columnIndex);
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while ($xml->read()) {
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if ($xml->name == 'gnm:Name' && $xml->nodeType == XMLReader::ELEMENT) {
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$xml->read(); // Move onto the value node
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$tmpInfo['worksheetName'] = (string) $xml->value;
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} elseif ($xml->name == 'gnm:MaxCol' && $xml->nodeType == XMLReader::ELEMENT) {
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$xml->read(); // Move onto the value node
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$tmpInfo['lastColumnIndex'] = (int) $xml->value;
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$tmpInfo['totalColumns'] = (int) $xml->value + 1;
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} elseif ($xml->name == 'gnm:MaxRow' && $xml->nodeType == XMLReader::ELEMENT) {
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$xml->read(); // Move onto the value node
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$tmpInfo['totalRows'] = (int) $xml->value + 1;
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break;
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}
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}
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$tmpInfo['lastColumnLetter'] = PHPExcel_Cell::stringFromColumnIndex($tmpInfo['lastColumnIndex']);
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$tmpInfo['totalColumns'] = $tmpInfo['lastColumnIndex'] + 1;
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$worksheetInfo[] = $tmpInfo;
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}
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}
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return $worksheetInfo;
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}
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@ -182,36 +219,6 @@ class PHPExcel_Reader_Gnumeric extends PHPExcel_Reader_Abstract implements PHPEx
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}
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/**
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* Reads names of the worksheets from a file, without parsing the whole file to a PHPExcel object
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*
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* @param string $pFilename
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* @throws PHPExcel_Reader_Exception
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*/
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public function listWorksheetNames($pFilename)
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{
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// Check if file exists
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if (!file_exists($pFilename)) {
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throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! File does not exist.");
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}
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$gFileData = $this->_gzfileGetContents($pFilename);
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$xml = simplexml_load_string($gFileData);
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$namespacesMeta = $xml->getNamespaces(true);
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$gnmXML = $xml->children($namespacesMeta['gnm']);
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$worksheetNames = array();
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foreach($gnmXML->Sheets->Sheet as $sheet) {
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$worksheetNames[] = (string) $sheet->Name;
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}
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return $worksheetNames;
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}
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/**
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* Loads PHPExcel from file into PHPExcel instance
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*
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@ -124,21 +124,35 @@ class PHPExcel_Reader_OOCalc extends PHPExcel_Reader_Abstract implements PHPExce
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throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! File does not exist.");
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}
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$zip = new ZipArchive;
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if (!$zip->open($pFilename)) {
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throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! Error opening file.");
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}
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$worksheetNames = array();
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$zip = new ZipArchive;
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if ($zip->open($pFilename) === true) {
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$xml = new XMLReader();
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$res = $xml->open('zip://'.realpath($pFilename).'#content.xml');
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$xml->setParserProperty(2,true);
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$xml = simplexml_load_string($zip->getFromName("content.xml"));
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$namespacesContent = $xml->getNamespaces(true);
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$workbook = $xml->children($namespacesContent['office']);
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foreach($workbook->body->spreadsheet as $workbookData) {
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$workbookData = $workbookData->children($namespacesContent['table']);
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foreach($workbookData->table as $worksheetDataSet) {
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$worksheetDataAttributes = $worksheetDataSet->attributes($namespacesContent['table']);
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$worksheetNames[] = $worksheetDataAttributes['name'];
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// Step into the first level of content of the XML
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$xml->read();
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while ($xml->read()) {
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// Quickly jump through to the office:body node
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while ($xml->name !== 'office:body') {
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if ($xml->isEmptyElement)
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$xml->read();
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else
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$xml->next();
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}
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// Now read each node until we find our first table:table node
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while ($xml->read()) {
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if ($xml->name == 'table:table' && $xml->nodeType == XMLReader::ELEMENT) {
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// Loop through each table:table node reading the table:name attribute for each worksheet name
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do {
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$worksheetNames[] = $xml->getAttribute('table:name');
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$xml->next();
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} while ($xml->name == 'table:table' && $xml->nodeType == XMLReader::ELEMENT);
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}
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}
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}
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@ -147,6 +161,127 @@ class PHPExcel_Reader_OOCalc extends PHPExcel_Reader_Abstract implements PHPExce
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}
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/**
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* Return worksheet info (Name, Last Column Letter, Last Column Index, Total Rows, Total Columns)
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*
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* @param string $pFilename
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* @throws PHPExcel_Reader_Exception
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*/
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public function listWorksheetInfo($pFilename)
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{
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// Check if file exists
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if (!file_exists($pFilename)) {
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throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! File does not exist.");
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}
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$worksheetInfo = array();
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$zip = new ZipArchive;
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if (!$zip->open($pFilename)) {
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throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! Error opening file.");
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}
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$xml = new XMLReader();
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$res = $xml->open('zip://'.realpath($pFilename).'#content.xml');
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$xml->setParserProperty(2,true);
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// Step into the first level of content of the XML
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$xml->read();
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while ($xml->read()) {
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// Quickly jump through to the office:body node
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while ($xml->name !== 'office:body') {
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if ($xml->isEmptyElement)
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$xml->read();
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else
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$xml->next();
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}
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// Now read each node until we find our first table:table node
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while ($xml->read()) {
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if ($xml->name == 'table:table' && $xml->nodeType == XMLReader::ELEMENT) {
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$worksheetNames[] = $xml->getAttribute('table:name');
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$tmpInfo = array(
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'worksheetName' => $xml->getAttribute('table:name'),
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'lastColumnLetter' => 'A',
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'lastColumnIndex' => 0,
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'totalRows' => 0,
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'totalColumns' => 0,
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);
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// Loop through each child node of the table:table element reading
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$currCells = 0;
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do {
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$xml->read();
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if ($xml->name == 'table:table-row' && $xml->nodeType == XMLReader::ELEMENT) {
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$tmpInfo['totalRows']++;
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$tmpInfo['totalColumns'] = max($tmpInfo['totalColumns'],$currCells);
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$currCells = 0;
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// Step into the row
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$xml->read();
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do {
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if ($xml->name == 'table:table-cell' && $xml->nodeType == XMLReader::ELEMENT) {
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if (!$xml->isEmptyElement) {
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$currCells++;
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$xml->next();
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} else {
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$xml->read();
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}
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} elseif ($xml->name == 'table:covered-table-cell' && $xml->nodeType == XMLReader::ELEMENT) {
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$mergeSize = $xml->getAttribute('table:number-columns-repeated');
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$currCells += $mergeSize;
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$xml->read();
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}
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} while ($xml->name != 'table:table-row');
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}
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} while ($xml->name != 'table:table');
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$tmpInfo['totalColumns'] = max($tmpInfo['totalColumns'],$currCells);
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$tmpInfo['lastColumnIndex'] = $tmpInfo['totalColumns'] - 1;
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$tmpInfo['lastColumnLetter'] = PHPExcel_Cell::stringFromColumnIndex($tmpInfo['lastColumnIndex']);
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$worksheetInfo[] = $tmpInfo;
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}
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}
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// foreach($workbookData->table as $worksheetDataSet) {
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// $worksheetData = $worksheetDataSet->children($namespacesContent['table']);
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// $worksheetDataAttributes = $worksheetDataSet->attributes($namespacesContent['table']);
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//
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// $rowIndex = 0;
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// foreach ($worksheetData as $key => $rowData) {
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// switch ($key) {
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// case 'table-row' :
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// $rowDataTableAttributes = $rowData->attributes($namespacesContent['table']);
|
||||
// $rowRepeats = (isset($rowDataTableAttributes['number-rows-repeated'])) ?
|
||||
// $rowDataTableAttributes['number-rows-repeated'] : 1;
|
||||
// $columnIndex = 0;
|
||||
//
|
||||
// foreach ($rowData as $key => $cellData) {
|
||||
// $cellDataTableAttributes = $cellData->attributes($namespacesContent['table']);
|
||||
// $colRepeats = (isset($cellDataTableAttributes['number-columns-repeated'])) ?
|
||||
// $cellDataTableAttributes['number-columns-repeated'] : 1;
|
||||
// $cellDataOfficeAttributes = $cellData->attributes($namespacesContent['office']);
|
||||
// if (isset($cellDataOfficeAttributes['value-type'])) {
|
||||
// $tmpInfo['lastColumnIndex'] = max($tmpInfo['lastColumnIndex'], $columnIndex + $colRepeats - 1);
|
||||
// $tmpInfo['totalRows'] = max($tmpInfo['totalRows'], $rowIndex + $rowRepeats);
|
||||
// }
|
||||
// $columnIndex += $colRepeats;
|
||||
// }
|
||||
// $rowIndex += $rowRepeats;
|
||||
// break;
|
||||
// }
|
||||
// }
|
||||
//
|
||||
// $tmpInfo['lastColumnLetter'] = PHPExcel_Cell::stringFromColumnIndex($tmpInfo['lastColumnIndex']);
|
||||
// $tmpInfo['totalColumns'] = $tmpInfo['lastColumnIndex'] + 1;
|
||||
//
|
||||
// }
|
||||
// }
|
||||
}
|
||||
|
||||
return $worksheetInfo;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Loads PHPExcel from file
|
||||
*
|
||||
@ -176,78 +311,6 @@ class PHPExcel_Reader_OOCalc extends PHPExcel_Reader_Abstract implements PHPExce
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Return worksheet info (Name, Last Column Letter, Last Column Index, Total Rows, Total Columns)
|
||||
*
|
||||
* @param string $pFilename
|
||||
* @throws PHPExcel_Reader_Exception
|
||||
*/
|
||||
public function listWorksheetInfo($pFilename)
|
||||
{
|
||||
// Check if file exists
|
||||
if (!file_exists($pFilename)) {
|
||||
throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! File does not exist.");
|
||||
}
|
||||
|
||||
$worksheetInfo = array();
|
||||
|
||||
$zip = new ZipArchive;
|
||||
if ($zip->open($pFilename) === true) {
|
||||
|
||||
$xml = simplexml_load_string($zip->getFromName("content.xml"));
|
||||
$namespacesContent = $xml->getNamespaces(true);
|
||||
|
||||
$workbook = $xml->children($namespacesContent['office']);
|
||||
foreach($workbook->body->spreadsheet as $workbookData) {
|
||||
$workbookData = $workbookData->children($namespacesContent['table']);
|
||||
foreach($workbookData->table as $worksheetDataSet) {
|
||||
$worksheetData = $worksheetDataSet->children($namespacesContent['table']);
|
||||
$worksheetDataAttributes = $worksheetDataSet->attributes($namespacesContent['table']);
|
||||
|
||||
$tmpInfo = array();
|
||||
$tmpInfo['worksheetName'] = (string) $worksheetDataAttributes['name'];
|
||||
$tmpInfo['lastColumnLetter'] = 'A';
|
||||
$tmpInfo['lastColumnIndex'] = 0;
|
||||
$tmpInfo['totalRows'] = 0;
|
||||
$tmpInfo['totalColumns'] = 0;
|
||||
|
||||
$rowIndex = 0;
|
||||
foreach ($worksheetData as $key => $rowData) {
|
||||
switch ($key) {
|
||||
case 'table-row' :
|
||||
$rowDataTableAttributes = $rowData->attributes($namespacesContent['table']);
|
||||
$rowRepeats = (isset($rowDataTableAttributes['number-rows-repeated'])) ?
|
||||
$rowDataTableAttributes['number-rows-repeated'] : 1;
|
||||
$columnIndex = 0;
|
||||
|
||||
foreach ($rowData as $key => $cellData) {
|
||||
$cellDataTableAttributes = $cellData->attributes($namespacesContent['table']);
|
||||
$colRepeats = (isset($cellDataTableAttributes['number-columns-repeated'])) ?
|
||||
$cellDataTableAttributes['number-columns-repeated'] : 1;
|
||||
$cellDataOfficeAttributes = $cellData->attributes($namespacesContent['office']);
|
||||
if (isset($cellDataOfficeAttributes['value-type'])) {
|
||||
$tmpInfo['lastColumnIndex'] = max($tmpInfo['lastColumnIndex'], $columnIndex + $colRepeats - 1);
|
||||
$tmpInfo['totalRows'] = max($tmpInfo['totalRows'], $rowIndex + $rowRepeats);
|
||||
}
|
||||
$columnIndex += $colRepeats;
|
||||
}
|
||||
$rowIndex += $rowRepeats;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
$tmpInfo['lastColumnLetter'] = PHPExcel_Cell::stringFromColumnIndex($tmpInfo['lastColumnIndex']);
|
||||
$tmpInfo['totalColumns'] = $tmpInfo['lastColumnIndex'] + 1;
|
||||
|
||||
$worksheetInfo[] = $tmpInfo;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return $worksheetInfo;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Loads PHPExcel from file into PHPExcel instance
|
||||
*
|
||||
@ -267,7 +330,10 @@ class PHPExcel_Reader_OOCalc extends PHPExcel_Reader_Abstract implements PHPExce
|
||||
$GMT = new DateTimeZone('UTC');
|
||||
|
||||
$zip = new ZipArchive;
|
||||
if ($zip->open($pFilename) === true) {
|
||||
if (!$zip->open($pFilename)) {
|
||||
throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! Error opening file.");
|
||||
}
|
||||
|
||||
// echo '<h1>Meta Information</h1>';
|
||||
$xml = simplexml_load_string($zip->getFromName("meta.xml"));
|
||||
$namespacesMeta = $xml->getNamespaces(true);
|
||||
@ -611,8 +677,6 @@ class PHPExcel_Reader_OOCalc extends PHPExcel_Reader_Abstract implements PHPExce
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
// Return
|
||||
return $objPHPExcel;
|
||||
}
|
||||
|
||||
@ -100,6 +100,24 @@ class PHPExcel_Shared_ZipStreamWrapper {
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* Implements support for fstat().
|
||||
*
|
||||
* @return boolean
|
||||
*/
|
||||
public function statName() {
|
||||
return $this->_fileNameInArchive;
|
||||
}
|
||||
|
||||
/**
|
||||
* Implements support for fstat().
|
||||
*
|
||||
* @return boolean
|
||||
*/
|
||||
public function url_stat() {
|
||||
return $this->statName( $this->_fileNameInArchive );
|
||||
}
|
||||
|
||||
/**
|
||||
* Implements support for fstat().
|
||||
*
|
||||
|
||||
Loading…
Reference in New Issue
Block a user