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