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<?php
/**
* PHPExcel
*
* Copyright (c) 2006 - 2011 PHPExcel
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* @category PHPExcel
* @package PHPExcel_Writer_Excel2007
* @copyright Copyright (c) 2006 - 2011 PHPExcel (http://www.codeplex.com/PHPExcel)
* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
* @version 1.7.6, 2011-02-27
*/
/**
* PHPExcel_Writer_Excel2007_StringTable
*
* @category PHPExcel
* @package PHPExcel_Writer_Excel2007
* @copyright Copyright (c) 2006 - 2011 PHPExcel (http://www.codeplex.com/PHPExcel)
*/
class PHPExcel_Writer_Excel2007_StringTable extends PHPExcel_Writer_Excel2007_WriterPart
{
/**
* Create worksheet stringtable
*
* @param PHPExcel_Worksheet $pSheet Worksheet
* @param string[] $pExistingTable Existing table to eventually merge with
* @return string[] String table for worksheet
* @throws Exception
*/
public function createStringTable($pSheet = null, $pExistingTable = null)
{
if (!is_null($pSheet)) {
// Create string lookup table
$aStringTable = array();
$cellCollection = null;
$aFlippedStringTable = null; // For faster lookup
// Is an existing table given?
if (!is_null($pExistingTable) && is_array($pExistingTable)) {
$aStringTable = $pExistingTable;
}
// Fill index array
$aFlippedStringTable = $this->flipStringTable($aStringTable);
// Loop through cells
foreach ($pSheet->getCellCollection() as $cellID) {
$cell = $pSheet->getCell($cellID);
$cellValue = $cell->getValue();
if (!is_object($cellValue) &&
!is_null($cellValue) &&
$cellValue !== '' &&
!isset($aFlippedStringTable[$cellValue]) &&
($cell->getDataType() == PHPExcel_Cell_DataType::TYPE_STRING || $cell->getDataType() == PHPExcel_Cell_DataType::TYPE_STRING2 || $cell->getDataType() == PHPExcel_Cell_DataType::TYPE_NULL)) {
$aStringTable[] = $cellValue;
$aFlippedStringTable[$cellValue] = 1;
} elseif ($cellValue instanceof PHPExcel_RichText &&
!is_null($cellValue) &&
!isset($aFlippedStringTable[$cellValue->getHashCode()])) {
$aStringTable[] = $cellValue;
$aFlippedStringTable[$cellValue->getHashCode()] = 1;
}
}
// Return
return $aStringTable;
} else {
throw new Exception("Invalid PHPExcel_Worksheet object passed.");
}
}
/**
* Write string table to XML format
*
* @param string[] $pStringTable
* @return string XML Output
* @throws Exception
*/
public function writeStringTable($pStringTable = null)
{
if (!is_null($pStringTable)) {
// Create XML writer
$objWriter = null;
if ($this->getParentWriter()->getUseDiskCaching()) {
$objWriter = new PHPExcel_Shared_XMLWriter(PHPExcel_Shared_XMLWriter::STORAGE_DISK, $this->getParentWriter()->getDiskCachingDirectory());
} else {
$objWriter = new PHPExcel_Shared_XMLWriter(PHPExcel_Shared_XMLWriter::STORAGE_MEMORY);
}
// XML header
$objWriter->startDocument('1.0','UTF-8','yes');
// String table
$objWriter->startElement('sst');
$objWriter->writeAttribute('xmlns', 'http://schemas.openxmlformats.org/spreadsheetml/2006/main');
$objWriter->writeAttribute('uniqueCount', count($pStringTable));
// Loop through string table
foreach ($pStringTable as $textElement) {
$objWriter->startElement('si');
if (! $textElement instanceof PHPExcel_RichText) {
$textToWrite = PHPExcel_Shared_String::ControlCharacterPHP2OOXML( $textElement );
$objWriter->startElement('t');
if ($textToWrite !== trim($textToWrite)) {
$objWriter->writeAttribute('xml:space', 'preserve');
}
$objWriter->writeRawData($textToWrite);
$objWriter->endElement();
} else if ($textElement instanceof PHPExcel_RichText) {
$this->writeRichText($objWriter, $textElement);
}
$objWriter->endElement();
}
$objWriter->endElement();
// Return
return $objWriter->getData();
} else {
throw new Exception("Invalid string table array passed.");
}
}
/**
* Write Rich Text
*
* @param PHPExcel_Shared_XMLWriter $objWriter XML Writer
* @param PHPExcel_RichText $pRichText Rich text
* @throws Exception
*/
public function writeRichText(PHPExcel_Shared_XMLWriter $objWriter = null, PHPExcel_RichText $pRichText = null)
{
// Loop through rich text elements
$elements = $pRichText->getRichTextElements();
foreach ($elements as $element) {
// r
$objWriter->startElement('r');
// rPr
if ($element instanceof PHPExcel_RichText_Run) {
// rPr
$objWriter->startElement('rPr');
// rFont
$objWriter->startElement('rFont');
$objWriter->writeAttribute('val', $element->getFont()->getName());
$objWriter->endElement();
// Bold
$objWriter->startElement('b');
$objWriter->writeAttribute('val', ($element->getFont()->getBold() ? 'true' : 'false'));
$objWriter->endElement();
// Italic
$objWriter->startElement('i');
$objWriter->writeAttribute('val', ($element->getFont()->getItalic() ? 'true' : 'false'));
$objWriter->endElement();
// Superscript / subscript
if ($element->getFont()->getSuperScript() || $element->getFont()->getSubScript()) {
$objWriter->startElement('vertAlign');
if ($element->getFont()->getSuperScript()) {
$objWriter->writeAttribute('val', 'superscript');
} else if ($element->getFont()->getSubScript()) {
$objWriter->writeAttribute('val', 'subscript');
}
$objWriter->endElement();
}
// Strikethrough
$objWriter->startElement('strike');
$objWriter->writeAttribute('val', ($element->getFont()->getStrikethrough() ? 'true' : 'false'));
$objWriter->endElement();
// Color
$objWriter->startElement('color');
$objWriter->writeAttribute('rgb', $element->getFont()->getColor()->getARGB());
$objWriter->endElement();
// Size
$objWriter->startElement('sz');
$objWriter->writeAttribute('val', $element->getFont()->getSize());
$objWriter->endElement();
// Underline
$objWriter->startElement('u');
$objWriter->writeAttribute('val', $element->getFont()->getUnderline());
$objWriter->endElement();
$objWriter->endElement();
}
// t
$objWriter->startElement('t');
$objWriter->writeAttribute('xml:space', 'preserve');
$objWriter->writeRawData(PHPExcel_Shared_String::ControlCharacterPHP2OOXML( $element->getText() ));
$objWriter->endElement();
$objWriter->endElement();
}
}
/**
* Flip string table (for index searching)
*
* @param array $stringTable Stringtable
* @return array
*/
public function flipStringTable($stringTable = array()) {
// Return value
$returnValue = array();
// Loop through stringtable and add flipped items to $returnValue
foreach ($stringTable as $key => $value) {
if (! $value instanceof PHPExcel_RichText) {
$returnValue[$value] = $key;
} else if ($value instanceof PHPExcel_RichText) {
$returnValue[$value->getHashCode()] = $key;
}
}
// Return
return $returnValue;
}
}
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