Refactor code structure for improved readability and maintainability
This commit is contained in:
		| @ -0,0 +1,216 @@ | ||||
| <?php | ||||
| /* vim: set expandtab tabstop=4 shiftwidth=4: */ | ||||
| // +----------------------------------------------------------------------+ | ||||
| // | PHP Version 4                                                        | | ||||
| // +----------------------------------------------------------------------+ | ||||
| // | Copyright (c) 1997-2002 The PHP Group                                | | ||||
| // +----------------------------------------------------------------------+ | ||||
| // | This source file is subject to version 2.02 of the PHP license,      | | ||||
| // | that is bundled with this package in the file LICENSE, and is        | | ||||
| // | available at through the world-wide-web at                           | | ||||
| // | http://www.php.net/license/2_02.txt.                                 | | ||||
| // | If you did not receive a copy of the PHP license and are unable to   | | ||||
| // | obtain it through the world-wide-web, please send a note to          | | ||||
| // | license@php.net so we can mail you a copy immediately.               | | ||||
| // +----------------------------------------------------------------------+ | ||||
| // | Author: Xavier Noguer <xnoguer@php.net>                              | | ||||
| // | Based on OLE::Storage_Lite by Kawai, Takanori                        | | ||||
| // +----------------------------------------------------------------------+ | ||||
| // | ||||
| // $Id: PPS.php,v 1.7 2007/02/13 21:00:42 schmidt Exp $ | ||||
|  | ||||
|  | ||||
| /** | ||||
| * Class for creating PPS's for OLE containers | ||||
| * | ||||
| * @author   Xavier Noguer <xnoguer@php.net> | ||||
| * @category PHPExcel | ||||
| * @package  PHPExcel_Shared_OLE | ||||
| */ | ||||
| class PHPExcel_Shared_OLE_PPS | ||||
| { | ||||
| 	/** | ||||
| 	* The PPS index | ||||
| 	* @var integer | ||||
| 	*/ | ||||
| 	public $No; | ||||
|  | ||||
| 	/** | ||||
| 	* The PPS name (in Unicode) | ||||
| 	* @var string | ||||
| 	*/ | ||||
| 	public $Name; | ||||
|  | ||||
| 	/** | ||||
| 	* The PPS type. Dir, Root or File | ||||
| 	* @var integer | ||||
| 	*/ | ||||
| 	public $Type; | ||||
|  | ||||
| 	/** | ||||
| 	* The index of the previous PPS | ||||
| 	* @var integer | ||||
| 	*/ | ||||
| 	public $PrevPps; | ||||
|  | ||||
| 	/** | ||||
| 	* The index of the next PPS | ||||
| 	* @var integer | ||||
| 	*/ | ||||
| 	public $NextPps; | ||||
|  | ||||
| 	/** | ||||
| 	* The index of it's first child if this is a Dir or Root PPS | ||||
| 	* @var integer | ||||
| 	*/ | ||||
| 	public $DirPps; | ||||
|  | ||||
| 	/** | ||||
| 	* A timestamp | ||||
| 	* @var integer | ||||
| 	*/ | ||||
| 	public $Time1st; | ||||
|  | ||||
| 	/** | ||||
| 	* A timestamp | ||||
| 	* @var integer | ||||
| 	*/ | ||||
| 	public $Time2nd; | ||||
|  | ||||
| 	/** | ||||
| 	* Starting block (small or big) for this PPS's data  inside the container | ||||
| 	* @var integer | ||||
| 	*/ | ||||
| 	public $_StartBlock; | ||||
|  | ||||
| 	/** | ||||
| 	* The size of the PPS's data (in bytes) | ||||
| 	* @var integer | ||||
| 	*/ | ||||
| 	public $Size; | ||||
|  | ||||
| 	/** | ||||
| 	* The PPS's data (only used if it's not using a temporary file) | ||||
| 	* @var string | ||||
| 	*/ | ||||
| 	public $_data; | ||||
|  | ||||
| 	/** | ||||
| 	* Array of child PPS's (only used by Root and Dir PPS's) | ||||
| 	* @var array | ||||
| 	*/ | ||||
| 	public $children = array(); | ||||
|  | ||||
| 	/** | ||||
| 	* Pointer to OLE container | ||||
| 	* @var OLE | ||||
| 	*/ | ||||
| 	public $ole; | ||||
|  | ||||
| 	/** | ||||
| 	* The constructor | ||||
| 	* | ||||
| 	* @access public | ||||
| 	* @param integer $No   The PPS index | ||||
| 	* @param string  $name The PPS name | ||||
| 	* @param integer $type The PPS type. Dir, Root or File | ||||
| 	* @param integer $prev The index of the previous PPS | ||||
| 	* @param integer $next The index of the next PPS | ||||
| 	* @param integer $dir  The index of it's first child if this is a Dir or Root PPS | ||||
| 	* @param integer $time_1st A timestamp | ||||
| 	* @param integer $time_2nd A timestamp | ||||
| 	* @param string  $data  The (usually binary) source data of the PPS | ||||
| 	* @param array   $children Array containing children PPS for this PPS | ||||
| 	*/ | ||||
| 	public function __construct($No, $name, $type, $prev, $next, $dir, $time_1st, $time_2nd, $data, $children) | ||||
| 	{ | ||||
| 		$this->No      = $No; | ||||
| 		$this->Name    = $name; | ||||
| 		$this->Type    = $type; | ||||
| 		$this->PrevPps = $prev; | ||||
| 		$this->NextPps = $next; | ||||
| 		$this->DirPps  = $dir; | ||||
| 		$this->Time1st = $time_1st; | ||||
| 		$this->Time2nd = $time_2nd; | ||||
| 		$this->_data      = $data; | ||||
| 		$this->children   = $children; | ||||
| 		if ($data != '') { | ||||
| 			$this->Size = strlen($data); | ||||
| 		} else { | ||||
| 			$this->Size = 0; | ||||
| 		} | ||||
| 	} | ||||
|  | ||||
| 	/** | ||||
| 	* Returns the amount of data saved for this PPS | ||||
| 	* | ||||
| 	* @access public | ||||
| 	* @return integer The amount of data (in bytes) | ||||
| 	*/ | ||||
| 	public function _DataLen() | ||||
| 	{ | ||||
| 		if (!isset($this->_data)) { | ||||
| 			return 0; | ||||
| 		} | ||||
| 		//if (isset($this->_PPS_FILE)) { | ||||
| 		//	fseek($this->_PPS_FILE, 0); | ||||
| 		//	$stats = fstat($this->_PPS_FILE); | ||||
| 		//	return $stats[7]; | ||||
| 		//} else { | ||||
| 			return strlen($this->_data); | ||||
| 		//} | ||||
| 	} | ||||
|  | ||||
| 	/** | ||||
| 	* Returns a string with the PPS's WK (What is a WK?) | ||||
| 	* | ||||
| 	* @access public | ||||
| 	* @return string The binary string | ||||
| 	*/ | ||||
| 	public function _getPpsWk() | ||||
| 	{ | ||||
| 		$ret = str_pad($this->Name,64,"\x00"); | ||||
|  | ||||
| 		$ret .= pack("v", strlen($this->Name) + 2)  // 66 | ||||
| 			  . pack("c", $this->Type)              // 67 | ||||
| 			  . pack("c", 0x00) //UK                // 68 | ||||
| 			  . pack("V", $this->PrevPps) //Prev    // 72 | ||||
| 			  . pack("V", $this->NextPps) //Next    // 76 | ||||
| 			  . pack("V", $this->DirPps)  //Dir     // 80 | ||||
| 			  . "\x00\x09\x02\x00"                  // 84 | ||||
| 			  . "\x00\x00\x00\x00"                  // 88 | ||||
| 			  . "\xc0\x00\x00\x00"                  // 92 | ||||
| 			  . "\x00\x00\x00\x46"                  // 96 // Seems to be ok only for Root | ||||
| 			  . "\x00\x00\x00\x00"                  // 100 | ||||
| 			  . PHPExcel_Shared_OLE::LocalDate2OLE($this->Time1st)       // 108 | ||||
| 			  . PHPExcel_Shared_OLE::LocalDate2OLE($this->Time2nd)       // 116 | ||||
| 			  . pack("V", isset($this->_StartBlock)? | ||||
| 						$this->_StartBlock:0)        // 120 | ||||
| 			  . pack("V", $this->Size)               // 124 | ||||
| 			  . pack("V", 0);                        // 128 | ||||
| 		return $ret; | ||||
| 	} | ||||
|  | ||||
| 	/** | ||||
| 	* Updates index and pointers to previous, next and children PPS's for this | ||||
| 	* PPS. I don't think it'll work with Dir PPS's. | ||||
| 	* | ||||
| 	* @access public | ||||
| 	* @param array &$pps_array Reference to the array of PPS's for the whole OLE | ||||
| 	*                          container | ||||
| 	* @return integer          The index for this PPS | ||||
| 	*/ | ||||
| 	public function _savePpsSetPnt(&$pps_array) | ||||
| 	{ | ||||
| 		$pps_array[count($pps_array)] = &$this; | ||||
| 		$this->No = count($pps_array) - 1; | ||||
| 		$this->PrevPps = 0xFFFFFFFF; | ||||
| 		$this->NextPps = 0xFFFFFFFF; | ||||
| 		if (count($this->children) > 0) { | ||||
| 			$this->DirPps = $this->children[0]->_savePpsSetPnt($pps_array); | ||||
| 		} else { | ||||
| 			$this->DirPps = 0xFFFFFFFF; | ||||
| 		} | ||||
| 		return $this->No; | ||||
| 	} | ||||
| } | ||||
		Reference in New Issue
	
	Block a user