芝麻web文件管理V1.00
编辑当前文件:/home2/sdektunc/public_html/cepali/lib/phpexcel/PHPExcel/Shared/OLE/PPS.php
| // | 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
* @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 $ret; } /** * Updates index and pointers to previous, next and children PPS's for this * PPS. I don't think it'll work with Dir PPS's. * * @access public * @param array &$raList Reference to the array of PPS's for the whole OLE * container * @return integer The index for this PPS */ public static function _savePpsSetPnt(&$raList, $to_save, $depth = 0) { if (!is_array($to_save) || (empty($to_save))) { return 0xFFFFFFFF; } elseif (count($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++); } 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; } }