1<?php 2/* vim: set expandtab tabstop=4 shiftwidth=4: */ 3// +----------------------------------------------------------------------+ 4// | PHP Version 4 | 5// +----------------------------------------------------------------------+ 6// | Copyright (c) 1997-2002 The PHP Group | 7// +----------------------------------------------------------------------+ 8// | This source file is subject to version 2.02 of the PHP license, | 9// | that is bundled with this package in the file LICENSE, and is | 10// | available at through the world-wide-web at | 11// | http://www.php.net/license/2_02.txt. | 12// | If you did not receive a copy of the PHP license and are unable to | 13// | obtain it through the world-wide-web, please send a note to | 14// | license@php.net so we can mail you a copy immediately. | 15// +----------------------------------------------------------------------+ 16// | Author: Xavier Noguer <xnoguer@php.net> | 17// | Based on OLE::Storage_Lite by Kawai, Takanori | 18// +----------------------------------------------------------------------+ 19// 20// $Id: PPS.php,v 1.7 2007/02/13 21:00:42 schmidt Exp $ 21 22 23require_once 'PEAR.php'; 24require_once 'OLE.php'; 25 26/** 27* Class for creating PPS's for OLE containers 28* 29* @author Xavier Noguer <xnoguer@php.net> 30* @category Structures 31* @package OLE 32*/ 33class OLE_PPS extends PEAR 34{ 35 /** 36 * The PPS index 37 * @var integer 38 */ 39 var $No; 40 41 /** 42 * The PPS name (in Unicode) 43 * @var string 44 */ 45 var $Name; 46 47 /** 48 * The PPS type. Dir, Root or File 49 * @var integer 50 */ 51 var $Type; 52 53 /** 54 * The index of the previous PPS 55 * @var integer 56 */ 57 var $PrevPps; 58 59 /** 60 * The index of the next PPS 61 * @var integer 62 */ 63 var $NextPps; 64 65 /** 66 * The index of it's first child if this is a Dir or Root PPS 67 * @var integer 68 */ 69 var $DirPps; 70 71 /** 72 * A timestamp 73 * @var integer 74 */ 75 var $Time1st; 76 77 /** 78 * A timestamp 79 * @var integer 80 */ 81 var $Time2nd; 82 83 /** 84 * Starting block (small or big) for this PPS's data inside the container 85 * @var integer 86 */ 87 var $_StartBlock; 88 89 /** 90 * The size of the PPS's data (in bytes) 91 * @var integer 92 */ 93 var $Size; 94 95 /** 96 * The PPS's data (only used if it's not using a temporary file) 97 * @var string 98 */ 99 var $_data; 100 101 /** 102 * Array of child PPS's (only used by Root and Dir PPS's) 103 * @var array 104 */ 105 var $children = array(); 106 107 /** 108 * Pointer to OLE container 109 * @var OLE 110 */ 111 var $ole; 112 113 /** 114 * The constructor 115 * 116 * @access public 117 * @param integer $No The PPS index 118 * @param string $name The PPS name 119 * @param integer $type The PPS type. Dir, Root or File 120 * @param integer $prev The index of the previous PPS 121 * @param integer $next The index of the next PPS 122 * @param integer $dir The index of it's first child if this is a Dir or Root PPS 123 * @param integer $time_1st A timestamp 124 * @param integer $time_2nd A timestamp 125 * @param string $data The (usually binary) source data of the PPS 126 * @param array $children Array containing children PPS for this PPS 127 */ 128 function __construct ($No, $name, $type, $prev, $next, $dir, $time_1st, $time_2nd, $data, $children) 129 { 130 $this->OLE_PPS ($No, $name, $type, $prev, $next, $dir, $time_1st, $time_2nd, $data, $children); 131 } 132 133 /** 134 * OLE_PPS 135 * 136 * @access public 137 * @param integer $No The PPS index 138 * @param string $name The PPS name 139 * @param integer $type The PPS type. Dir, Root or File 140 * @param integer $prev The index of the previous PPS 141 * @param integer $next The index of the next PPS 142 * @param integer $dir The index of it's first child if this is a Dir or Root PPS 143 * @param integer $time_1st A timestamp 144 * @param integer $time_2nd A timestamp 145 * @param string $data The (usually binary) source data of the PPS 146 * @param array $children Array containing children PPS for this PPS 147 */ 148 function OLE_PPS($No, $name, $type, $prev, $next, $dir, $time_1st, $time_2nd, $data, $children) 149 { 150 $this->No = $No; 151 $this->Name = $name; 152 $this->Type = $type; 153 $this->PrevPps = $prev; 154 $this->NextPps = $next; 155 $this->DirPps = $dir; 156 $this->Time1st = $time_1st; 157 $this->Time2nd = $time_2nd; 158 $this->_data = $data; 159 $this->children = $children; 160 if ($data != '') { 161 $this->Size = strlen($data); 162 } else { 163 $this->Size = 0; 164 } 165 } 166 167 /** 168 * Returns the amount of data saved for this PPS 169 * 170 * @access private 171 * @return integer The amount of data (in bytes) 172 */ 173 function _DataLen() 174 { 175 if (!isset($this->_data)) { 176 return 0; 177 } 178 if (isset($this->_PPS_FILE)) { 179 fseek($this->_PPS_FILE, 0); 180 $stats = fstat($this->_PPS_FILE); 181 return $stats[7]; 182 } else { 183 return strlen($this->_data); 184 } 185 } 186 187 /** 188 * Returns a string with the PPS's WK (What is a WK?) 189 * 190 * @access private 191 * @return string The binary string 192 */ 193 function _getPpsWk() 194 { 195 $ret = $this->Name; 196 for ($i = 0; $i < (64 - strlen($this->Name)); $i++) { 197 $ret .= "\x00"; 198 } 199 $ret .= pack("v", strlen($this->Name) + 2) // 66 200 . pack("c", $this->Type) // 67 201 . pack("c", 0x00) //UK // 68 202 . pack("V", $this->PrevPps) //Prev // 72 203 . pack("V", $this->NextPps) //Next // 76 204 . pack("V", $this->DirPps) //Dir // 80 205 . "\x00\x09\x02\x00" // 84 206 . "\x00\x00\x00\x00" // 88 207 . "\xc0\x00\x00\x00" // 92 208 . "\x00\x00\x00\x46" // 96 // Seems to be ok only for Root 209 . "\x00\x00\x00\x00" // 100 210 . OLE::LocalDate2OLE($this->Time1st) // 108 211 . OLE::LocalDate2OLE($this->Time2nd) // 116 212 . pack("V", isset($this->_StartBlock)? 213 $this->_StartBlock:0) // 120 214 . pack("V", $this->Size) // 124 215 . pack("V", 0); // 128 216 return $ret; 217 } 218 219 /** 220 * Updates index and pointers to previous, next and children PPS's for this 221 * PPS. I don't think it'll work with Dir PPS's. 222 * 223 * @access private 224 * @param array &$pps_array Reference to the array of PPS's for the whole OLE 225 * container 226 * @return integer The index for this PPS 227 */ 228 function _savePpsSetPnt(&$pps_array) 229 { 230 $pps_array[count($pps_array)] = &$this; 231 $this->No = count($pps_array) - 1; 232 $this->PrevPps = 0xFFFFFFFF; 233 $this->NextPps = 0xFFFFFFFF; 234 if (count($this->children) > 0) { 235 $this->DirPps = $this->children[0]->_savePpsSetPnt($pps_array); 236 } else { 237 $this->DirPps = 0xFFFFFFFF; 238 } 239 return $this->No; 240 } 241} 242?> 243