Documentation TYPO3 par Ameos

adodb-compress-gzip.php

00001 <?php
00002 
00003 
00004 /*
00005 V4.93 10 Oct 2006  (c) 2000-2006 John Lim (jlim#natsoft.com.my). All rights reserved.
00006          Contributed by Ross Smith (adodb@netebb.com). 
00007   Released under both BSD license and Lesser GPL library license.
00008   Whenever there is any discrepancy between the two licenses,
00009   the BSD license will take precedence.
00010           Set tabs to 4 for best viewing.
00011 
00012 */
00013 
00014 if (!function_exists('gzcompress')) {
00015         trigger_error('gzip functions are not available', E_USER_ERROR);
00016         return 0;
00017 }
00018 
00019 /*
00020 */
00021 class ADODB_Compress_Gzip {
00024         var $_level = null;
00025 
00028         var $_min_length = 1;
00029 
00032         function getLevel() {
00033                 return $this->_level;
00034         }
00035 
00038         function setLevel($level) {
00039                 assert('$level >= 0');
00040                 assert('$level <= 9');
00041                 $this->_level = (int) $level;
00042         }
00043 
00046         function getMinLength() {
00047                 return $this->_min_length;
00048         }
00049 
00052         function setMinLength($min_length) {
00053                 assert('$min_length >= 0');
00054                 $this->_min_length = (int) $min_length;
00055         }
00056 
00059         function ADODB_Compress_Gzip($level = null, $min_length = null) {
00060                 if (!is_null($level)) {
00061                         $this->setLevel($level);
00062                 }
00063 
00064                 if (!is_null($min_length)) {
00065                         $this->setMinLength($min_length);
00066                 }
00067         }
00068 
00071         function write($data, $key) {
00072                 if (strlen($data) < $this->_min_length) {
00073                         return $data;
00074                 }
00075 
00076                 if (!is_null($this->_level)) {
00077                         return gzcompress($data, $this->_level);
00078                 } else {
00079                         return gzcompress($data);
00080                 }
00081         }
00082 
00085         function read($data, $key) {
00086                 return $data ? gzuncompress($data) : $data;
00087         }
00088 
00089 }
00090 
00091 return 1;
00092 
00093 ?>


Généré par Les spécialistes TYPO3 avec  doxygen 1.4.6