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<?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 322771 2012-01-26 01:24:20Z clockwerx $ |
|
|
require_once 'PEAR.php'; |
require_once 'OLE.php'; |
|
/** |
* Class for creating PPS's for OLE containers |
* |
* @author Xavier Noguer <xnoguer@php.net> |
* @category Structures |
* @package OLE |
*/ |
class OLE_PPS extends PEAR |
{ |
/** |
* The PPS index |
* @var integer |
*/ |
var $No; |
|
/** |
* The PPS name (in Unicode) |
* @var string |
*/ |
var $Name; |
|
/** |
* The PPS type. Dir, Root or File |
* @var integer |
*/ |
var $Type; |
|
/** |
* The index of the previous PPS |
* @var integer |
*/ |
var $PrevPps; |
|
/** |
* The index of the next PPS |
* @var integer |
*/ |
var $NextPps; |
|
/** |
* The index of it's first child if this is a Dir or Root PPS |
* @var integer |
*/ |
var $DirPps; |
|
/** |
* A timestamp |
* @var integer |
*/ |
var $Time1st; |
|
/** |
* A timestamp |
* @var integer |
*/ |
var $Time2nd; |
|
/** |
* Starting block (small or big) for this PPS's data inside the container |
* @var integer |
*/ |
var $_StartBlock; |
|
/** |
* The size of the PPS's data (in bytes) |
* @var integer |
*/ |
var $Size; |
|
/** |
* The PPS's data (only used if it's not using a temporary file) |
* @var string |
*/ |
var $_data; |
|
/** |
* Array of child PPS's (only used by Root and Dir PPS's) |
* @var array |
*/ |
var $children = array(); |
|
/** |
* Pointer to OLE container |
* @var OLE |
*/ |
var $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 $children Array containing children PPS for this PPS |
*/ |
function OLE_PPS($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 { |
$this->Size = 0; |
} |
} |
|
/** |
* Returns the amount of data saved for this PPS |
* |
* @access private |
* @return integer The amount of data (in bytes) |
*/ |
function _DataLen() |
{ |
if (!isset($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 private |
* @return string The binary string |
*/ |
function _getPpsWk() |
{ |
$ret = $this->Name; |
for ($i = 0; $i < (64 - strlen($this->Name)); $i++) { |
$ret .= "\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", $this->DirPps) //Dir // 80 |
. "\x00\x09\x02\x00" // 84 |
. "\x00\x00\x00\x00" // 88 |
. "\xc0\x00\x00\x00" // 92 |
. "\x00\x00\x00\x46" // 96 // Seems to be ok only for Root |
. "\x00\x00\x00\x00" // 100 |
. OLE::LocalDate2OLE($this->Time1st) // 108 |
. OLE::LocalDate2OLE($this->Time2nd) // 116 |
. pack("V", isset($this->_StartBlock)? |
$this->_StartBlock:0) // 120 |
. pack("V", $this->Size) // 124 |
. pack("V", 0); // 128 |
return $ret; |
} |
|
/** |
* Updates index and pointers to previous, next and children PPS's for this |
* PPS. I don't think it'll work with Dir PPS's. |
* |
* @access private |
* @param array &$pps_array Reference to the array of PPS's for the whole OLE |
* container |
* @return integer The index for this PPS |
*/ |
static function _savePpsSetPnt(&$raList, $to_save, $depth = 0) |
{ |
if ( !is_array($to_save) || (count($to_save) == 0) ) { |
return 0xFFFFFFFF; |
} |
elseif( count($to_save) == 1 ) { |
$cnt = count($raList); |
// If the first entry, it's the root... Don't clone it! |
$raList[$cnt] = ( $depth == 0 ) ? $to_save[0] : clone $to_save[0]; |
$raList[$cnt]->No = $cnt; |
$raList[$cnt]->PrevPps = 0xFFFFFFFF; |
$raList[$cnt]->NextPps = 0xFFFFFFFF; |
$raList[$cnt]->DirPps = self::_savePpsSetPnt($raList, @$raList[$cnt]->children, $depth++); |
return $cnt; |
} |
else { |
$iPos = floor(count($to_save) / 2); |
$aPrev = array_slice($to_save, 0, $iPos); |
$aNext = array_slice($to_save, $iPos + 1); |
|
$cnt = count($raList); |
// If the first entry, it's the root... Don't clone it! |
$raList[$cnt] = ( $depth == 0 ) ? $to_save[$iPos] : clone $to_save[$iPos]; |
$raList[$cnt]->No = $cnt; |
$raList[$cnt]->PrevPps = self::_savePpsSetPnt($raList, $aPrev, $depth++); |
$raList[$cnt]->NextPps = self::_savePpsSetPnt($raList, $aNext, $depth++); |
$raList[$cnt]->DirPps = self::_savePpsSetPnt($raList, @$raList[$cnt]->children, $depth++); |
|
return $cnt; |
} |
} |
} |
?> |