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PHP Cross Reference of phpwcms V1.4.3 _r380 (23.11.09) |
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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: Root.php,v 1.7 2003/12/12 21:10:10 xnoguer Exp $ 21 22 23 require_once ('OLE/PPS.php'); 24 25 /** 26 * Class for creating Root PPS's for OLE containers 27 * 28 * @author Xavier Noguer <xnoguer@php.net> 29 * @category Structures 30 * @package OLE 31 */ 32 class OLE_PPS_Root extends OLE_PPS 33 { 34 /** 35 * The temporary dir for storing the OLE file 36 * @var string 37 */ 38 var $_tmp_dir; 39 40 /** 41 * Constructor 42 * 43 * @access public 44 * @param integer $time_1st A timestamp 45 * @param integer $time_2nd A timestamp 46 */ 47 function OLE_PPS_Root($time_1st, $time_2nd, $raChild) 48 { 49 $this->_tmp_dir = ''; 50 $this->OLE_PPS( 51 null, 52 OLE::Asc2Ucs('Root Entry'), 53 OLE_PPS_TYPE_ROOT, 54 null, 55 null, 56 null, 57 $time_1st, 58 $time_2nd, 59 null, 60 $raChild); 61 } 62 63 /** 64 * Sets the temp dir used for storing the OLE file 65 * 66 * @access public 67 * @param string $dir The dir to be used as temp dir 68 * @return true if given dir is valid, false otherwise 69 */ 70 function setTempDir($dir) 71 { 72 if (is_dir($dir)) { 73 $this->_tmp_dir = $dir; 74 return true; 75 } 76 return false; 77 } 78 79 /** 80 * Method for saving the whole OLE container (including files). 81 * In fact, if called with an empty argument (or '-'), it saves to a 82 * temporary file and then outputs it's contents to stdout. 83 * 84 * @param string $filename The name of the file where to save the OLE container 85 * @access public 86 * @return mixed true on success, PEAR_Error on failure 87 */ 88 function save($filename) 89 { 90 // Initial Setting for saving 91 $this->_BIG_BLOCK_SIZE = pow(2, 92 ((isset($this->_BIG_BLOCK_SIZE))? $this->_adjust2($this->_BIG_BLOCK_SIZE) : 9)); 93 $this->_SMALL_BLOCK_SIZE= pow(2, 94 ((isset($this->_SMALL_BLOCK_SIZE))? $this->_adjust2($this->_SMALL_BLOCK_SIZE): 6)); 95 96 // Open temp file if we are sending output to stdout 97 if (($filename == '-') or ($filename == '')) 98 { 99 $this->_tmp_filename = tempnam($this->_tmp_dir, "OLE_PPS_Root"); 100 $this->_FILEH_ = @fopen($this->_tmp_filename,"w+b"); 101 if ($this->_FILEH_ == false) { 102 return $this->raiseError("Can't create temporary file."); 103 } 104 } 105 else 106 { 107 $this->_FILEH_ = @fopen($filename, "wb"); 108 if ($this->_FILEH_ == false) { 109 return $this->raiseError("Can't open $filename. It may be in use or protected."); 110 } 111 } 112 // Make an array of PPS's (for Save) 113 $aList = array(); 114 $this->_savePpsSetPnt($aList); 115 // calculate values for header 116 list($iSBDcnt, $iBBcnt, $iPPScnt) = $this->_calcSize($aList); //, $rhInfo); 117 // Save Header 118 $this->_saveHeader($iSBDcnt, $iBBcnt, $iPPScnt); 119 120 // Make Small Data string (write SBD) 121 $this->_data = $this->_makeSmallData($aList); 122 123 // Write BB 124 $this->_saveBigData($iSBDcnt, $aList); 125 // Write PPS 126 $this->_savePps($aList); 127 // Write Big Block Depot and BDList and Adding Header informations 128 $this->_saveBbd($iSBDcnt, $iBBcnt, $iPPScnt); 129 // Close File, send it to stdout if necessary 130 if(($filename == '-') or ($filename == '')) 131 { 132 fseek($this->_FILEH_, 0); 133 fpassthru($this->_FILEH_); 134 @fclose($this->_FILEH_); 135 // Delete the temporary file. 136 @unlink($this->_tmp_filename); 137 } 138 else { 139 @fclose($this->_FILEH_); 140 } 141 return true; 142 } 143 144 /** 145 * Calculate some numbers 146 * 147 * @access private 148 * @param array $raList Reference to an array of PPS's 149 * @return array The array of numbers 150 */ 151 function _calcSize(&$raList) 152 { 153 // Calculate Basic Setting 154 list($iSBDcnt, $iBBcnt, $iPPScnt) = array(0,0,0); 155 $iSmallLen = 0; 156 $iSBcnt = 0; 157 for ($i = 0; $i < count($raList); $i++) { 158 if($raList[$i]->Type == OLE_PPS_TYPE_FILE) { 159 $raList[$i]->Size = $raList[$i]->_DataLen(); 160 if($raList[$i]->Size < OLE_DATA_SIZE_SMALL) { 161 $iSBcnt += floor($raList[$i]->Size / $this->_SMALL_BLOCK_SIZE) 162 + (($raList[$i]->Size % $this->_SMALL_BLOCK_SIZE)? 1: 0); 163 } 164 else { 165 $iBBcnt += (floor($raList[$i]->Size / $this->_BIG_BLOCK_SIZE) + 166 (($raList[$i]->Size % $this->_BIG_BLOCK_SIZE)? 1: 0)); 167 } 168 } 169 } 170 $iSmallLen = $iSBcnt * $this->_SMALL_BLOCK_SIZE; 171 $iSlCnt = floor($this->_BIG_BLOCK_SIZE / OLE_LONG_INT_SIZE); 172 $iSBDcnt = floor($iSBcnt / $iSlCnt) + (($iSBcnt % $iSlCnt)? 1:0); 173 $iBBcnt += (floor($iSmallLen / $this->_BIG_BLOCK_SIZE) + 174 (( $iSmallLen % $this->_BIG_BLOCK_SIZE)? 1: 0)); 175 $iCnt = count($raList); 176 $iBdCnt = $this->_BIG_BLOCK_SIZE / OLE_PPS_SIZE; 177 $iPPScnt = (floor($iCnt/$iBdCnt) + (($iCnt % $iBdCnt)? 1: 0)); 178 179 return array($iSBDcnt, $iBBcnt, $iPPScnt); 180 } 181 182 /** 183 * Helper function for caculating a magic value for block sizes 184 * 185 * @access private 186 * @param integer $i2 The argument 187 * @see save() 188 * @return integer 189 */ 190 function _adjust2($i2) 191 { 192 $iWk = log($i2)/log(2); 193 return ($iWk > floor($iWk))? floor($iWk)+1:$iWk; 194 } 195 196 /** 197 * Save OLE header 198 * 199 * @access private 200 * @param integer $iSBDcnt 201 * @param integer $iBBcnt 202 * @param integer $iPPScnt 203 */ 204 function _saveHeader($iSBDcnt, $iBBcnt, $iPPScnt) 205 { 206 $FILE = $this->_FILEH_; 207 208 // Calculate Basic Setting 209 $iBlCnt = $this->_BIG_BLOCK_SIZE / OLE_LONG_INT_SIZE; 210 $i1stBdL = ($this->_BIG_BLOCK_SIZE - 0x4C) / OLE_LONG_INT_SIZE; 211 212 $iBdExL = 0; 213 $iAll = $iBBcnt + $iPPScnt + $iSBDcnt; 214 $iAllW = $iAll; 215 $iBdCntW = floor($iAllW / $iBlCnt) + (($iAllW % $iBlCnt)? 1: 0); 216 $iBdCnt = floor(($iAll + $iBdCntW) / $iBlCnt) + ((($iAllW+$iBdCntW) % $iBlCnt)? 1: 0); 217 218 // Calculate BD count 219 if ($iBdCnt >$i1stBdL) 220 { 221 while (1) 222 { 223 $iBdExL++; 224 $iAllW++; 225 $iBdCntW = floor($iAllW / $iBlCnt) + (($iAllW % $iBlCnt)? 1: 0); 226 $iBdCnt = floor(($iAllW + $iBdCntW) / $iBlCnt) + ((($iAllW+$iBdCntW) % $iBlCnt)? 1: 0); 227 if ($iBdCnt <= ($iBdExL*$iBlCnt+ $i1stBdL)) { 228 break; 229 } 230 } 231 } 232 233 // Save Header 234 fwrite($FILE, 235 "\xD0\xCF\x11\xE0\xA1\xB1\x1A\xE1" 236 . "\x00\x00\x00\x00" 237 . "\x00\x00\x00\x00" 238 . "\x00\x00\x00\x00" 239 . "\x00\x00\x00\x00" 240 . pack("v", 0x3b) 241 . pack("v", 0x03) 242 . pack("v", -2) 243 . pack("v", 9) 244 . pack("v", 6) 245 . pack("v", 0) 246 . "\x00\x00\x00\x00" 247 . "\x00\x00\x00\x00" 248 . pack("V", $iBdCnt) 249 . pack("V", $iBBcnt+$iSBDcnt) //ROOT START 250 . pack("V", 0) 251 . pack("V", 0x1000) 252 . pack("V", 0) //Small Block Depot 253 . pack("V", 1) 254 ); 255 // Extra BDList Start, Count 256 if ($iBdCnt < $i1stBdL) 257 { 258 fwrite($FILE, 259 pack("V", -2). // Extra BDList Start 260 pack("V", 0) // Extra BDList Count 261 ); 262 } 263 else 264 { 265 fwrite($FILE, pack("V", $iAll+$iBdCnt) . pack("V", $iBdExL)); 266 } 267 268 // BDList 269 for ($i=0; $i<$i1stBdL and $i < $iBdCnt; $i++) { 270 fwrite($FILE, pack("V", $iAll+$i)); 271 } 272 if ($i < $i1stBdL) 273 { 274 for ($j = 0; $j < ($i1stBdL-$i); $j++) { 275 fwrite($FILE, (pack("V", -1))); 276 } 277 } 278 } 279 280 /** 281 * Saving big data (PPS's with data bigger than OLE_DATA_SIZE_SMALL) 282 * 283 * @access private 284 * @param integer $iStBlk 285 * @param array &$raList Reference to array of PPS's 286 */ 287 function _saveBigData($iStBlk, &$raList) 288 { 289 $FILE = $this->_FILEH_; 290 291 // cycle through PPS's 292 for ($i = 0; $i < count($raList); $i++) 293 { 294 if($raList[$i]->Type != OLE_PPS_TYPE_DIR) 295 { 296 $raList[$i]->Size = $raList[$i]->_DataLen(); 297 if(($raList[$i]->Size >= OLE_DATA_SIZE_SMALL) or 298 (($raList[$i]->Type == OLE_PPS_TYPE_ROOT) and isset($raList[$i]->_data))) 299 { 300 // Write Data 301 if(isset($raList[$i]->_PPS_FILE)) 302 { 303 $iLen = 0; 304 fseek($raList[$i]->_PPS_FILE, 0); // To The Top 305 while($sBuff = fread($raList[$i]->_PPS_FILE, 4096)) 306 { 307 $iLen += strlen($sBuff); 308 fwrite($FILE, $sBuff); 309 } 310 } 311 else { 312 fwrite($FILE, $raList[$i]->_data); 313 } 314 315 if ($raList[$i]->Size % $this->_BIG_BLOCK_SIZE) 316 { 317 for ($j = 0; $j < ($this->_BIG_BLOCK_SIZE - ($raList[$i]->Size % $this->_BIG_BLOCK_SIZE)); $j++) { 318 fwrite($FILE, "\x00"); 319 } 320 } 321 // Set For PPS 322 $raList[$i]->_StartBlock = $iStBlk; 323 $iStBlk += 324 (floor($raList[$i]->Size / $this->_BIG_BLOCK_SIZE) + 325 (($raList[$i]->Size % $this->_BIG_BLOCK_SIZE)? 1: 0)); 326 } 327 // Close file for each PPS, and unlink it 328 if (isset($raList[$i]->_PPS_FILE)) 329 { 330 @fclose($raList[$i]->_PPS_FILE); 331 $raList[$i]->_PPS_FILE = null; 332 @unlink($raList[$i]->_tmp_filename); 333 } 334 } 335 } 336 } 337 338 /** 339 * get small data (PPS's with data smaller than OLE_DATA_SIZE_SMALL) 340 * 341 * @access private 342 * @param array &$raList Reference to array of PPS's 343 */ 344 function _makeSmallData(&$raList) 345 { 346 $sRes = ''; 347 $FILE = $this->_FILEH_; 348 $iSmBlk = 0; 349 350 for ($i = 0; $i < count($raList); $i++) 351 { 352 // Make SBD, small data string 353 if ($raList[$i]->Type == OLE_PPS_TYPE_FILE) 354 { 355 if ($raList[$i]->Size <= 0) { 356 continue; 357 } 358 if ($raList[$i]->Size < OLE_DATA_SIZE_SMALL) 359 { 360 $iSmbCnt = floor($raList[$i]->Size / $this->_SMALL_BLOCK_SIZE) 361 + (($raList[$i]->Size % $this->_SMALL_BLOCK_SIZE)? 1: 0); 362 // Add to SBD 363 for ($j = 0; $j < ($iSmbCnt-1); $j++) { 364 fwrite($FILE, pack("V", $j+$iSmBlk+1)); 365 } 366 fwrite($FILE, pack("V", -2)); 367 368 // Add to Data String(this will be written for RootEntry) 369 if ($raList[$i]->_PPS_FILE) 370 { 371 fseek($raList[$i]->_PPS_FILE, 0); // To The Top 372 while ($sBuff = fread($raList[$i]->_PPS_FILE, 4096)) { 373 $sRes .= $sBuff; 374 } 375 } 376 else { 377 $sRes .= $raList[$i]->_data; 378 } 379 if($raList[$i]->Size % $this->_SMALL_BLOCK_SIZE) 380 { 381 for ($j = 0; $j < ($this->_SMALL_BLOCK_SIZE - ($raList[$i]->Size % $this->_SMALL_BLOCK_SIZE)); $j++) { 382 $sRes .= "\x00"; 383 } 384 } 385 // Set for PPS 386 $raList[$i]->_StartBlock = $iSmBlk; 387 $iSmBlk += $iSmbCnt; 388 } 389 } 390 } 391 $iSbCnt = floor($this->_BIG_BLOCK_SIZE / OLE_LONG_INT_SIZE); 392 if($iSmBlk % $iSbCnt) 393 { 394 for ($i = 0; $i < ($iSbCnt - ($iSmBlk % $iSbCnt)); $i++) { 395 fwrite($FILE, pack("V", -1)); 396 } 397 } 398 return $sRes; 399 } 400 401 /** 402 * Saves all the PPS's WKs 403 * 404 * @access private 405 * @param array $raList Reference to an array with all PPS's 406 */ 407 function _savePps(&$raList) 408 { 409 // Save each PPS WK 410 for ($i = 0; $i < count($raList); $i++) { 411 fwrite($this->_FILEH_, $raList[$i]->_getPpsWk()); 412 } 413 // Adjust for Block 414 $iCnt = count($raList); 415 $iBCnt = $this->_BIG_BLOCK_SIZE / OLE_PPS_SIZE; 416 if ($iCnt % $iBCnt) 417 { 418 for ($i = 0; $i < (($iBCnt - ($iCnt % $iBCnt)) * OLE_PPS_SIZE); $i++) { 419 fwrite($this->_FILEH_, "\x00"); 420 } 421 } 422 } 423 424 /** 425 * Saving Big Block Depot 426 * 427 * @access private 428 * @param integer $iSbdSize 429 * @param integer $iBsize 430 * @param integer $iPpsCnt 431 */ 432 function _saveBbd($iSbdSize, $iBsize, $iPpsCnt) 433 { 434 $FILE = $this->_FILEH_; 435 // Calculate Basic Setting 436 $iBbCnt = $this->_BIG_BLOCK_SIZE / OLE_LONG_INT_SIZE; 437 $i1stBdL = ($this->_BIG_BLOCK_SIZE - 0x4C) / OLE_LONG_INT_SIZE; 438 439 $iBdExL = 0; 440 $iAll = $iBsize + $iPpsCnt + $iSbdSize; 441 $iAllW = $iAll; 442 $iBdCntW = floor($iAllW / $iBbCnt) + (($iAllW % $iBbCnt)? 1: 0); 443 $iBdCnt = floor(($iAll + $iBdCntW) / $iBbCnt) + ((($iAllW+$iBdCntW) % $iBbCnt)? 1: 0); 444 // Calculate BD count 445 if ($iBdCnt >$i1stBdL) 446 { 447 while (1) 448 { 449 $iBdExL++; 450 $iAllW++; 451 $iBdCntW = floor($iAllW / $iBbCnt) + (($iAllW % $iBbCnt)? 1: 0); 452 $iBdCnt = floor(($iAllW + $iBdCntW) / $iBbCnt) + ((($iAllW+$iBdCntW) % $iBbCnt)? 1: 0); 453 if ($iBdCnt <= ($iBdExL*$iBbCnt+ $i1stBdL)) { 454 break; 455 } 456 } 457 } 458 459 // Making BD 460 // Set for SBD 461 if ($iSbdSize > 0) 462 { 463 for ($i = 0; $i<($iSbdSize-1); $i++) { 464 fwrite($FILE, pack("V", $i+1)); 465 } 466 fwrite($FILE, pack("V", -2)); 467 } 468 // Set for B 469 for ($i = 0; $i<($iBsize-1); $i++) { 470 fwrite($FILE, pack("V", $i+$iSbdSize+1)); 471 } 472 fwrite($FILE, pack("V", -2)); 473 474 // Set for PPS 475 for ($i = 0; $i<($iPpsCnt-1); $i++) { 476 fwrite($FILE, pack("V", $i+$iSbdSize+$iBsize+1)); 477 } 478 fwrite($FILE, pack("V", -2)); 479 // Set for BBD itself ( 0xFFFFFFFD : BBD) 480 for ($i=0; $i<$iBdCnt;$i++) { 481 fwrite($FILE, pack("V", 0xFFFFFFFD)); 482 } 483 // Set for ExtraBDList 484 for ($i=0; $i<$iBdExL;$i++) { 485 fwrite($FILE, pack("V", 0xFFFFFFFC)); 486 } 487 // Adjust for Block 488 if (($iAllW + $iBdCnt) % $iBbCnt) 489 { 490 for ($i = 0; $i < ($iBbCnt - (($iAllW + $iBdCnt) % $iBbCnt)); $i++) { 491 fwrite($FILE, pack("V", -1)); 492 } 493 } 494 // Extra BDList 495 if ($iBdCnt > $i1stBdL) 496 { 497 $iN=0; 498 $iNb=0; 499 for ($i=$i1stBdL;$i<$iBdCnt; $i++, $iN++) 500 { 501 if ($iN>=($iBbCnt-1)) 502 { 503 $iN = 0; 504 $iNb++; 505 fwrite($FILE, pack("V", $iAll+$iBdCnt+$iNb)); 506 } 507 fwrite($FILE, pack("V", $iBsize+$iSbdSize+$iPpsCnt+$i)); 508 } 509 if (($iBdCnt-$i1stBdL) % ($iBbCnt-1)) 510 { 511 for ($i = 0; $i < (($iBbCnt-1) - (($iBdCnt-$i1stBdL) % ($iBbCnt-1))); $i++) { 512 fwrite($FILE, pack("V", -1)); 513 } 514 } 515 fwrite($FILE, pack("V", -2)); 516 } 517 } 518 } 519 ?>
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| Generated: Wed Dec 30 05:55:15 2009 | Cross-referenced by PHPXref 0.7 |