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Minor performance tweaks: changing PHPExcel_Shared_XMLWriter to extend the XMLWriter class rather than providing a wrapper for an instance of XMLWriter, with slight modifications to the writeRaw() method 

git-svn-id: https://phpexcel.svn.codeplex.com/svn/trunk@63534 2327b42d-5241-43d6-9e2a-de5ac946f064
This commit is contained in:
Mark Baker 2010-11-09 12:31:59 +00:00
parent d7583efe44
commit c0ae3911b6
5 changed files with 66 additions and 95 deletions
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141
Classes/PHPExcel/Shared/XMLWriter.php
View File

@ -19,10 +19,10 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* @category PHPExcel
* @package PHPExcel_Shared
* @package PHPExcel_Shared
* @copyright Copyright (c) 2006 - 2010 PHPExcel (http://www.codeplex.com/PHPExcel)
* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
* @version ##VERSION##, ##DATE##
* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
* @version ##VERSION##, ##DATE##
*/
if (!defined('DATE_W3C')) {
@ -38,21 +38,14 @@ if (!defined('DEBUGMODE_ENABLED')) {
* PHPExcel_Shared_XMLWriter
*
* @category PHPExcel
* @package PHPExcel_Shared
* @package PHPExcel_Shared
* @copyright Copyright (c) 2006 - 2010 PHPExcel (http://www.codeplex.com/PHPExcel)
*/
class PHPExcel_Shared_XMLWriter {
class PHPExcel_Shared_XMLWriter extends XMLWriter {
/** Temporary storage method */
const STORAGE_MEMORY = 1;
const STORAGE_DISK = 2;
/**
* Internal XMLWriter
*
* @var XMLWriter
*/
private $_xmlWriter;
/**
* Temporary filename
*
@ -66,83 +59,63 @@ class PHPExcel_Shared_XMLWriter {
* @param int $pTemporaryStorage Temporary storage location
* @param string $pTemporaryStorageFolder Temporary storage folder
*/
public function __construct($pTemporaryStorage = self::STORAGE_MEMORY, $pTemporaryStorageFolder = './') {
// Create internal XMLWriter
$this->_xmlWriter = new XMLWriter();
public function __construct($pTemporaryStorage = self::STORAGE_MEMORY, $pTemporaryStorageFolder = './') {
// Open temporary storage
if ($pTemporaryStorage == self::STORAGE_MEMORY) {
$this->openMemory();
} else {
// Create temporary filename
$this->_tempFileName = @tempnam($pTemporaryStorageFolder, 'xml');
// Open temporary storage
if ($pTemporaryStorage == self::STORAGE_MEMORY) {
$this->_xmlWriter->openMemory();
} else {
// Create temporary filename
$this->_tempFileName = @tempnam($pTemporaryStorageFolder, 'xml');
// Open storage
if ($this->openUri($this->_tempFileName) === false) {
// Fallback to memory...
$this->openMemory();
}
}
// Open storage
if ($this->_xmlWriter->openUri($this->_tempFileName) === false) {
// Fallback to memory...
$this->_xmlWriter->openMemory();
}
}
// Set default values
// Set default values
if (DEBUGMODE_ENABLED) {
$this->_xmlWriter->setIndent(true);
}
}
$this->setIndent(true);
}
}
/**
* Destructor
*/
public function __destruct() {
// Desctruct XMLWriter
unset($this->_xmlWriter);
/**
* Destructor
*/
public function __destruct() {
// Unlink temporary files
if ($this->_tempFileName != '') {
@unlink($this->_tempFileName);
}
}
// Unlink temporary files
if ($this->_tempFileName != '') {
@unlink($this->_tempFileName);
}
}
/**
* Get written data
*
* @return $data
*/
public function getData() {
if ($this->_tempFileName == '') {
return $this->outputMemory(true);
} else {
$this->flush();
return file_get_contents($this->_tempFileName);
}
}
/**
* Get written data
*
* @return $data
*/
public function getData() {
if ($this->_tempFileName == '') {
return $this->_xmlWriter->outputMemory(true);
} else {
$this->_xmlWriter->flush();
return file_get_contents($this->_tempFileName);
}
}
/**
* Fallback method for writeRaw, introduced in PHP 5.2
*
* @param string $text
* @return string
*/
public function writeRawData($text)
{
if (method_exists($this, 'writeRaw')) {
return $this->writeRaw(htmlspecialchars($text));
}
/**
* Catch function calls (and pass them to internal XMLWriter)
*
* @param unknown_type $function
* @param unknown_type $args
*/
public function __call($function, $args) {
try {
@call_user_func_array(array($this->_xmlWriter, $function), $args);
} catch (Exception $ex) {
// Do nothing!
}
}
/**
* Fallback method for writeRaw, introduced in PHP 5.2
*
* @param string $text
* @return string
*/
public function writeRaw($text)
{
if (isset($this->_xmlWriter) && is_object($this->_xmlWriter) && (method_exists($this->_xmlWriter, 'writeRaw'))) {
return $this->_xmlWriter->writeRaw(htmlspecialchars($text));
}
return $this->text($text);
}
return $this->text($text);
}
}

6
Classes/PHPExcel/Writer/Excel2007/DocProps.php
View File

@ -169,13 +169,13 @@ class PHPExcel_Writer_Excel2007_DocProps extends PHPExcel_Writer_Excel2007_Write
// dcterms:created
$objWriter->startElement('dcterms:created');
$objWriter->writeAttribute('xsi:type', 'dcterms:W3CDTF');
$objWriter->writeRaw(date(DATE_W3C, $pPHPExcel->getProperties()->getCreated()));
$objWriter->writeRawData(date(DATE_W3C, $pPHPExcel->getProperties()->getCreated()));
$objWriter->endElement();
// dcterms:modified
$objWriter->startElement('dcterms:modified');
$objWriter->writeAttribute('xsi:type', 'dcterms:W3CDTF');
$objWriter->writeRaw(date(DATE_W3C, $pPHPExcel->getProperties()->getModified()));
$objWriter->writeRawData(date(DATE_W3C, $pPHPExcel->getProperties()->getModified()));
$objWriter->endElement();
// dc:title
@ -251,7 +251,7 @@ class PHPExcel_Writer_Excel2007_DocProps extends PHPExcel_Writer_Excel2007_Write
break;
case 'd' :
$objWriter->startElement('vt:filetime');
$objWriter->writeRaw(date(DATE_W3C, $propertyValue));
$objWriter->writeRawData(date(DATE_W3C, $propertyValue));
$objWriter->endElement();
break;
default :

4
Classes/PHPExcel/Writer/Excel2007/StringTable.php
View File

@ -123,7 +123,7 @@ class PHPExcel_Writer_Excel2007_StringTable extends PHPExcel_Writer_Excel2007_Wr
if ($textToWrite !== trim($textToWrite)) {
$objWriter->writeAttribute('xml:space', 'preserve');
}
$objWriter->writeRaw($textToWrite);
$objWriter->writeRawData($textToWrite);
$objWriter->endElement();
} else if ($textElement instanceof PHPExcel_RichText) {
$this->writeRichText($objWriter, $textElement);
@ -213,7 +213,7 @@ class PHPExcel_Writer_Excel2007_StringTable extends PHPExcel_Writer_Excel2007_Wr
// t
$objWriter->startElement('t');
$objWriter->writeAttribute('xml:space', 'preserve');
$objWriter->writeRaw(PHPExcel_Shared_String::ControlCharacterPHP2OOXML( $element->getText() ));
$objWriter->writeRawData(PHPExcel_Shared_String::ControlCharacterPHP2OOXML( $element->getText() ));
$objWriter->endElement();
$objWriter->endElement();

8
Classes/PHPExcel/Writer/Excel2007/Workbook.php
View File

@ -328,7 +328,7 @@ class PHPExcel_Writer_Excel2007_Workbook extends PHPExcel_Writer_Excel2007_Write
}
$range = PHPExcel_Cell::buildRange($range);
$objWriter->writeRaw($range);
$objWriter->writeRawData($range);
$objWriter->endElement();
}
@ -357,7 +357,7 @@ class PHPExcel_Writer_Excel2007_Workbook extends PHPExcel_Writer_Excel2007_Write
$range[1] = PHPExcel_Cell::absoluteCoordinate($range[1]);
$range = implode(':', $range);
$objWriter->writeRaw('\'' . str_replace("'", "''", $pSheet->getTitle()) . '\'!' . $range);
$objWriter->writeRawData('\'' . str_replace("'", "''", $pSheet->getTitle()) . '\'!' . $range);
$objWriter->endElement();
}
@ -400,7 +400,7 @@ class PHPExcel_Writer_Excel2007_Workbook extends PHPExcel_Writer_Excel2007_Write
$settingString .= '\'' . str_replace("'", "''", $pSheet->getTitle()) . '\'!$' . $repeat[0] . ':$' . $repeat[1];
}
$objWriter->writeRaw($settingString);
$objWriter->writeRawData($settingString);
$objWriter->endElement();
}
@ -435,7 +435,7 @@ class PHPExcel_Writer_Excel2007_Workbook extends PHPExcel_Writer_Excel2007_Write
$chunks[] = '\'' . str_replace("'", "''", $pSheet->getTitle()) . '\'!' . implode(':', $printAreaRect);
}
$objWriter->writeRaw(implode(',', $chunks));
$objWriter->writeRawData(implode(',', $chunks));
$objWriter->endElement();
}

2
Classes/PHPExcel/Writer/Excel2007/Worksheet.php
View File

@ -965,10 +965,8 @@ class PHPExcel_Writer_Excel2007_Worksheet extends PHPExcel_Writer_Excel2007_Writ
case 'f': // Formula
$calculatedValue = null;
if ($this->getParentWriter()->getPreCalculateFormulas()) {
$pCell->attach($pSheet);
$calculatedValue = $pCell->getCalculatedValue();
} else {
$pCell->attach($pSheet);
$calculatedValue = $pCell->getValue();
}
if (is_string($calculatedValue)) {