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<?php |
/** |
* PHPExcel |
* |
* Copyright (c) 2006 - 2013 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_Reader |
* @copyright Copyright (c) 2006 - 2013 PHPExcel (http://www.codeplex.com/PHPExcel) |
* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL |
* @version ##VERSION##, ##DATE## |
*/ |
|
|
/** PHPExcel root directory */ |
if (!defined('PHPEXCEL_ROOT')) { |
/** |
* @ignore |
*/ |
define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../../'); |
require(PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php'); |
} |
|
/** |
* PHPExcel_Reader_HTML |
* |
* @category PHPExcel |
* @package PHPExcel_Reader |
* @copyright Copyright (c) 2006 - 2013 PHPExcel (http://www.codeplex.com/PHPExcel) |
*/ |
class PHPExcel_Reader_HTML extends PHPExcel_Reader_Abstract implements PHPExcel_Reader_IReader |
{ |
/** |
* Input encoding |
* |
* @var string |
*/ |
private $_inputEncoding = 'ANSI'; |
|
/** |
* Sheet index to read |
* |
* @var int |
*/ |
private $_sheetIndex = 0; |
|
/** |
* Formats |
* |
* @var array |
*/ |
private $_formats = array( 'h1' => array( 'font' => array( 'bold' => true, |
'size' => 24, |
), |
), // Bold, 24pt |
'h2' => array( 'font' => array( 'bold' => true, |
'size' => 18, |
), |
), // Bold, 18pt |
'h3' => array( 'font' => array( 'bold' => true, |
'size' => 13.5, |
), |
), // Bold, 13.5pt |
'h4' => array( 'font' => array( 'bold' => true, |
'size' => 12, |
), |
), // Bold, 12pt |
'h5' => array( 'font' => array( 'bold' => true, |
'size' => 10, |
), |
), // Bold, 10pt |
'h6' => array( 'font' => array( 'bold' => true, |
'size' => 7.5, |
), |
), // Bold, 7.5pt |
'a' => array( 'font' => array( 'underline' => true, |
'color' => array( 'argb' => PHPExcel_Style_Color::COLOR_BLUE, |
), |
), |
), // Blue underlined |
'hr' => array( 'borders' => array( 'bottom' => array( 'style' => PHPExcel_Style_Border::BORDER_THIN, |
'color' => array( PHPExcel_Style_Color::COLOR_BLACK, |
), |
), |
), |
), // Bottom border |
); |
|
|
/** |
* Create a new PHPExcel_Reader_HTML |
*/ |
public function __construct() { |
$this->_readFilter = new PHPExcel_Reader_DefaultReadFilter(); |
} |
|
/** |
* Validate that the current file is an HTML file |
* |
* @return boolean |
*/ |
protected function _isValidFormat() |
{ |
// Reading 2048 bytes should be enough to validate that the format is HTML |
$data = fread($this->_fileHandle, 2048); |
if ((strpos('<',$data) !== FALSE) && |
(strlen($data) !== strlen(strip_tags($data)))) { |
return TRUE; |
} |
|
return FALSE; |
} |
|
/** |
* Loads PHPExcel from file |
* |
* @param string $pFilename |
* @return PHPExcel |
* @throws PHPExcel_Reader_Exception |
*/ |
public function load($pFilename) |
{ |
// Create new PHPExcel |
$objPHPExcel = new PHPExcel(); |
|
// Load into this instance |
return $this->loadIntoExisting($pFilename, $objPHPExcel); |
} |
|
/** |
* Set input encoding |
* |
* @param string $pValue Input encoding |
*/ |
public function setInputEncoding($pValue = 'ANSI') |
{ |
$this->_inputEncoding = $pValue; |
return $this; |
} |
|
/** |
* Get input encoding |
* |
* @return string |
*/ |
public function getInputEncoding() |
{ |
return $this->_inputEncoding; |
} |
|
// Data Array used for testing only, should write to PHPExcel object on completion of tests |
private $_dataArray = array(); |
|
private $_tableLevel = 0; |
private $_nestedColumn = array('A'); |
|
private function _setTableStartColumn($column) { |
if ($this->_tableLevel == 0) |
$column = 'A'; |
++$this->_tableLevel; |
$this->_nestedColumn[$this->_tableLevel] = $column; |
|
return $this->_nestedColumn[$this->_tableLevel]; |
} |
|
private function _getTableStartColumn() { |
return $this->_nestedColumn[$this->_tableLevel]; |
} |
|
private function _releaseTableStartColumn() { |
--$this->_tableLevel; |
return array_pop($this->_nestedColumn); |
} |
|
private function _flushCell($sheet,$column,$row,&$cellContent) { |
if (is_string($cellContent)) { |
// Simple String content |
if (trim($cellContent) > '') { |
// Only actually write it if there's content in the string |
// echo 'FLUSH CELL: ' , $column , $row , ' => ' , $cellContent , '<br />'; |
// Write to worksheet to be done here... |
// ... we return the cell so we can mess about with styles more easily |
$cell = $sheet->setCellValue($column.$row,$cellContent,true); |
$this->_dataArray[$row][$column] = $cellContent; |
} |
} else { |
// We have a Rich Text run |
// TODO |
$this->_dataArray[$row][$column] = 'RICH TEXT: ' . $cellContent; |
} |
$cellContent = (string) ''; |
} |
|
private function _processDomElement(DOMNode $element, $sheet, &$row, &$column, &$cellContent){ |
foreach($element->childNodes as $child){ |
if ($child instanceof DOMText) { |
$domText = preg_replace('/\s+/',' ',trim($child->nodeValue)); |
if (is_string($cellContent)) { |
// simply append the text if the cell content is a plain text string |
$cellContent .= $domText; |
} else { |
// but if we have a rich text run instead, we need to append it correctly |
// TODO |
} |
} elseif($child instanceof DOMElement) { |
// echo '<b>DOM ELEMENT: </b>' , strtoupper($child->nodeName) , '<br />'; |
|
$attributeArray = array(); |
foreach($child->attributes as $attribute) { |
// echo '<b>ATTRIBUTE: </b>' , $attribute->name , ' => ' , $attribute->value , '<br />'; |
$attributeArray[$attribute->name] = $attribute->value; |
} |
|
switch($child->nodeName) { |
case 'meta' : |
foreach($attributeArray as $attributeName => $attributeValue) { |
switch($attributeName) { |
case 'content': |
// TODO |
// Extract character set, so we can convert to UTF-8 if required |
break; |
} |
} |
$this->_processDomElement($child,$sheet,$row,$column,$cellContent); |
break; |
case 'title' : |
$this->_processDomElement($child,$sheet,$row,$column,$cellContent); |
$sheet->setTitle($cellContent); |
$cellContent = ''; |
break; |
case 'span' : |
case 'div' : |
case 'font' : |
case 'i' : |
case 'em' : |
case 'strong': |
case 'b' : |
// echo 'STYLING, SPAN OR DIV<br />'; |
if ($cellContent > '') |
$cellContent .= ' '; |
$this->_processDomElement($child,$sheet,$row,$column,$cellContent); |
if ($cellContent > '') |
$cellContent .= ' '; |
// echo 'END OF STYLING, SPAN OR DIV<br />'; |
break; |
case 'hr' : |
$this->_flushCell($sheet,$column,$row,$cellContent); |
++$row; |
if (isset($this->_formats[$child->nodeName])) { |
$sheet->getStyle($column.$row)->applyFromArray($this->_formats[$child->nodeName]); |
} else { |
$cellContent = '----------'; |
$this->_flushCell($sheet,$column,$row,$cellContent); |
} |
++$row; |
case 'br' : |
if ($this->_tableLevel > 0) { |
// If we're inside a table, replace with a \n |
$cellContent .= "\n"; |
} else { |
// Otherwise flush our existing content and move the row cursor on |
$this->_flushCell($sheet,$column,$row,$cellContent); |
++$row; |
} |
// echo 'HARD LINE BREAK: ' , '<br />'; |
break; |
case 'a' : |
// echo 'START OF HYPERLINK: ' , '<br />'; |
foreach($attributeArray as $attributeName => $attributeValue) { |
switch($attributeName) { |
case 'href': |
// echo 'Link to ' , $attributeValue , '<br />'; |
$sheet->getCell($column.$row)->getHyperlink()->setUrl($attributeValue); |
if (isset($this->_formats[$child->nodeName])) { |
$sheet->getStyle($column.$row)->applyFromArray($this->_formats[$child->nodeName]); |
} |
break; |
} |
} |
$cellContent .= ' '; |
$this->_processDomElement($child,$sheet,$row,$column,$cellContent); |
// echo 'END OF HYPERLINK:' , '<br />'; |
break; |
case 'h1' : |
case 'h2' : |
case 'h3' : |
case 'h4' : |
case 'h5' : |
case 'h6' : |
case 'ol' : |
case 'ul' : |
case 'p' : |
if ($this->_tableLevel > 0) { |
// If we're inside a table, replace with a \n |
$cellContent .= "\n"; |
// echo 'LIST ENTRY: ' , '<br />'; |
$this->_processDomElement($child,$sheet,$row,$column,$cellContent); |
// echo 'END OF LIST ENTRY:' , '<br />'; |
} else { |
if ($cellContent > '') { |
$this->_flushCell($sheet,$column,$row,$cellContent); |
$row += 2; |
} |
// echo 'START OF PARAGRAPH: ' , '<br />'; |
$this->_processDomElement($child,$sheet,$row,$column,$cellContent); |
// echo 'END OF PARAGRAPH:' , '<br />'; |
$this->_flushCell($sheet,$column,$row,$cellContent); |
|
if (isset($this->_formats[$child->nodeName])) { |
$sheet->getStyle($column.$row)->applyFromArray($this->_formats[$child->nodeName]); |
} |
|
$row += 2; |
$column = 'A'; |
} |
break; |
case 'li' : |
if ($this->_tableLevel > 0) { |
// If we're inside a table, replace with a \n |
$cellContent .= "\n"; |
// echo 'LIST ENTRY: ' , '<br />'; |
$this->_processDomElement($child,$sheet,$row,$column,$cellContent); |
// echo 'END OF LIST ENTRY:' , '<br />'; |
} else { |
if ($cellContent > '') { |
$this->_flushCell($sheet,$column,$row,$cellContent); |
} |
++$row; |
// echo 'LIST ENTRY: ' , '<br />'; |
$this->_processDomElement($child,$sheet,$row,$column,$cellContent); |
// echo 'END OF LIST ENTRY:' , '<br />'; |
$this->_flushCell($sheet,$column,$row,$cellContent); |
$column = 'A'; |
} |
break; |
case 'table' : |
$this->_flushCell($sheet,$column,$row,$cellContent); |
$column = $this->_setTableStartColumn($column); |
// echo 'START OF TABLE LEVEL ' , $this->_tableLevel , '<br />'; |
if ($this->_tableLevel > 1) |
--$row; |
$this->_processDomElement($child,$sheet,$row,$column,$cellContent); |
// echo 'END OF TABLE LEVEL ' , $this->_tableLevel , '<br />'; |
$column = $this->_releaseTableStartColumn(); |
if ($this->_tableLevel > 1) { |
++$column; |
} else { |
++$row; |
} |
break; |
case 'thead' : |
case 'tbody' : |
$this->_processDomElement($child,$sheet,$row,$column,$cellContent); |
break; |
case 'tr' : |
++$row; |
$column = $this->_getTableStartColumn(); |
$cellContent = ''; |
// echo 'START OF TABLE ' , $this->_tableLevel , ' ROW<br />'; |
$this->_processDomElement($child,$sheet,$row,$column,$cellContent); |
// echo 'END OF TABLE ' , $this->_tableLevel , ' ROW<br />'; |
break; |
case 'th' : |
case 'td' : |
// echo 'START OF TABLE ' , $this->_tableLevel , ' CELL<br />'; |
$this->_processDomElement($child,$sheet,$row,$column,$cellContent); |
// echo 'END OF TABLE ' , $this->_tableLevel , ' CELL<br />'; |
$this->_flushCell($sheet,$column,$row,$cellContent); |
++$column; |
break; |
case 'body' : |
$row = 1; |
$column = 'A'; |
$content = ''; |
$this->_tableLevel = 0; |
$this->_processDomElement($child,$sheet,$row,$column,$cellContent); |
break; |
default: |
$this->_processDomElement($child,$sheet,$row,$column,$cellContent); |
} |
} |
} |
} |
|
/** |
* Loads PHPExcel from file into PHPExcel instance |
* |
* @param string $pFilename |
* @param PHPExcel $objPHPExcel |
* @return PHPExcel |
* @throws PHPExcel_Reader_Exception |
*/ |
public function loadIntoExisting($pFilename, PHPExcel $objPHPExcel) |
{ |
// Open file to validate |
$this->_openFile($pFilename); |
if (!$this->_isValidFormat()) { |
fclose ($this->_fileHandle); |
throw new PHPExcel_Reader_Exception($pFilename . " is an Invalid HTML file."); |
} |
// Close after validating |
fclose ($this->_fileHandle); |
|
// Create new PHPExcel |
while ($objPHPExcel->getSheetCount() <= $this->_sheetIndex) { |
$objPHPExcel->createSheet(); |
} |
$objPHPExcel->setActiveSheetIndex( $this->_sheetIndex ); |
|
// Create a new DOM object |
$dom = new domDocument; |
// Reload the HTML file into the DOM object |
$loaded = $dom->loadHTMLFile($pFilename); |
if ($loaded === FALSE) { |
throw new PHPExcel_Reader_Exception('Failed to load ',$pFilename,' as a DOM Document'); |
} |
|
// Discard white space |
$dom->preserveWhiteSpace = false; |
|
|
$row = 0; |
$column = 'A'; |
$content = ''; |
$this->_processDomElement($dom,$objPHPExcel->getActiveSheet(),$row,$column,$content); |
|
// echo '<hr />'; |
// var_dump($this->_dataArray); |
|
// Return |
return $objPHPExcel; |
} |
|
/** |
* Get sheet index |
* |
* @return int |
*/ |
public function getSheetIndex() { |
return $this->_sheetIndex; |
} |
|
/** |
* Set sheet index |
* |
* @param int $pValue Sheet index |
* @return PHPExcel_Reader_HTML |
*/ |
public function setSheetIndex($pValue = 0) { |
$this->_sheetIndex = $pValue; |
return $this; |
} |
|
} |