ISGArchiveDelegate.php
3 years ago
SGBGArchive.php
3 years ago
SGBGArchiveCdr.php
3 years ago
SGBGArchiveHelper.php
3 years ago
SGBGCache.php
3 years ago
SGBGCacheableFile.php
3 years ago
SGBGDirectoryTreeFile.php
3 years ago
SGBGFile.php
3 years ago
SGBGFileHelper.php
3 years ago
SGBGJsonFile.php
3 years ago
SGBGLog.php
3 years ago
SGBGReloader.php
3 years ago
SGBGStateFile.php
3 years ago
SGBGTask.php
3 years ago
SGBGFileHelper.php
99 lines
| 1 | <?php |
| 2 | require_once(__DIR__.'/SGBGCache.php'); |
| 3 | |
| 4 | class SGBGFileHelper |
| 5 | { |
| 6 | private static $instances = []; |
| 7 | private $lastUpdateTs = 0; |
| 8 | private $offset = 0; |
| 9 | private $shouldCache = false; |
| 10 | private $fileCache = null; |
| 11 | private $handle = null; |
| 12 | |
| 13 | private function __construct() |
| 14 | { |
| 15 | $this->fileCache = new Cache(array($this, 'write')); |
| 16 | } |
| 17 | |
| 18 | private function __clone() |
| 19 | { |
| 20 | |
| 21 | } |
| 22 | |
| 23 | public function setShouldCache($shouldCache) |
| 24 | { |
| 25 | $this->shouldCache = $shouldCache; |
| 26 | return $this; |
| 27 | } |
| 28 | |
| 29 | public function getShouldCache() |
| 30 | { |
| 31 | return $this->shouldCache; |
| 32 | } |
| 33 | |
| 34 | public function setHandle($handle) |
| 35 | { |
| 36 | $this->handle = $handle; |
| 37 | return $this; |
| 38 | } |
| 39 | |
| 40 | public function getHandle() |
| 41 | { |
| 42 | return $this->handle; |
| 43 | } |
| 44 | |
| 45 | public function getFileCache() |
| 46 | { |
| 47 | return $this->fileCache; |
| 48 | } |
| 49 | |
| 50 | public static function file($name) |
| 51 | { |
| 52 | if (!empty(self::$instances[$name]) && self::$instances[$name] instanceof self) { |
| 53 | return self::$instances[$name]; |
| 54 | } |
| 55 | |
| 56 | self::$instances[$name] = new self(); |
| 57 | return self::$instances[$name]; |
| 58 | } |
| 59 | |
| 60 | public function write($string) |
| 61 | { |
| 62 | $handle = $this->getHandle(); |
| 63 | if (!is_resource($handle)) { |
| 64 | return false; |
| 65 | } |
| 66 | |
| 67 | $bytes = fwrite($handle, $string); |
| 68 | fflush($handle); |
| 69 | |
| 70 | return $bytes; |
| 71 | } |
| 72 | |
| 73 | public function close() |
| 74 | { |
| 75 | if ($this->getShouldCache()) { |
| 76 | $this->fileCache->flush(); |
| 77 | } |
| 78 | } |
| 79 | |
| 80 | public function fwrite($string) |
| 81 | { |
| 82 | if ($this->getShouldCache() && $this->fileCache->cache($string)) { |
| 83 | return strlen($string); |
| 84 | } |
| 85 | |
| 86 | return $this->write($string); |
| 87 | } |
| 88 | |
| 89 | public function ftell() |
| 90 | { |
| 91 | return (ftell($this->getHandle()) + strlen($this->fileCache->getCacheData())); |
| 92 | } |
| 93 | |
| 94 | public function fread($length) |
| 95 | { |
| 96 | return fread($this->getHandle(), $length); |
| 97 | } |
| 98 | } |
| 99 |