Subversion-Projekte lars-tiefland.ci

Revision

Revision 68 | Revision 2049 | Zur aktuellen Revision | Ganze Datei anzeigen | Leerzeichen ignorieren | Details | Blame | Letzte Änderung | Log anzeigen | RSS feed

Revision 68 Revision 1257
Zeile 104... Zeile 104...
104 
	 * @var	int
 104 
	 * @var	int
105 
	 */
 105 
	 */
106 
	public $compression_level = 2;
 106 
	public $compression_level = 2;
Zeile 107... Zeile 107...
107 
 
 107 
 
- 
 
 108 
	/**
- 
 
 109 
	 * mbstring.func_override flag
- 
 
 110 
	 *
- 
 
 111 
	 * @var	bool
- 
 
 112 
	 */
- 
 
 113 
	protected static $func_override;
- 
 
 114 
 
108 
	/**
 115 
	/**
109 
	 * Initialize zip compression class
 116 
	 * Initialize zip compression class
110 
	 *
 117 
	 *
111 
	 * @return	void
 118 
	 * @return	void
112 
	 */
 119 
	 */
113 
	public function __construct()
 120 
	public function __construct()
- 
 
 121 
	{
- 
 
 122 
		isset(self::$func_override) OR self::$func_override = (extension_loaded('mbstring') && ini_get('mbstring.func_override'));
114 
	{
 123 
 
115 
		$this->now = time();
 124 
		$this->now = time();
116 
		log_message('info', 'Zip Compression Class Initialized');
 125 
		log_message('info', 'Zip Compression Class Initialized');
Zeile 117... Zeile 126...
117 
	}
 126 
	}
Zeile 180... Zeile 189...
180 
			.pack('v', $file_mtime)
 189 
			.pack('v', $file_mtime)
181 
			.pack('v', $file_mdate)
 190 
			.pack('v', $file_mdate)
182 
			.pack('V', 0) // crc32
 191 
			.pack('V', 0) // crc32
183 
			.pack('V', 0) // compressed filesize
 192 
			.pack('V', 0) // compressed filesize
184 
			.pack('V', 0) // uncompressed filesize
 193 
			.pack('V', 0) // uncompressed filesize
185 
			.pack('v', strlen($dir)) // length of pathname
 194 
			.pack('v', self::strlen($dir)) // length of pathname
186 
			.pack('v', 0) // extra field length
 195 
			.pack('v', 0) // extra field length
187 
			.$dir
 196 
			.$dir
188 
			// below is "data descriptor" segment
 197 
			// below is "data descriptor" segment
189 
			.pack('V', 0) // crc32
 198 
			.pack('V', 0) // crc32
190 
			.pack('V', 0) // compressed filesize
 199 
			.pack('V', 0) // compressed filesize
Zeile 195... Zeile 204...
195 
			.pack('v', $file_mtime)
 204 
			.pack('v', $file_mtime)
196 
			.pack('v', $file_mdate)
 205 
			.pack('v', $file_mdate)
197 
			.pack('V',0) // crc32
 206 
			.pack('V',0) // crc32
198 
			.pack('V',0) // compressed filesize
 207 
			.pack('V',0) // compressed filesize
199 
			.pack('V',0) // uncompressed filesize
 208 
			.pack('V',0) // uncompressed filesize
200 
			.pack('v', strlen($dir)) // length of pathname
 209 
			.pack('v', self::strlen($dir)) // length of pathname
201 
			.pack('v', 0) // extra field length
 210 
			.pack('v', 0) // extra field length
202 
			.pack('v', 0) // file comment length
 211 
			.pack('v', 0) // file comment length
203 
			.pack('v', 0) // disk number start
 212 
			.pack('v', 0) // disk number start
204 
			.pack('v', 0) // internal file attributes
 213 
			.pack('v', 0) // internal file attributes
205 
			.pack('V', 16) // external file attributes - 'directory' bit set
 214 
			.pack('V', 16) // external file attributes - 'directory' bit set
206 
			.pack('V', $this->offset) // relative offset of local header
 215 
			.pack('V', $this->offset) // relative offset of local header
207 
			.$dir;
 216 
			.$dir;
Zeile 208... Zeile 217...
208 
 
 217 
 
209 
		$this->offset = strlen($this->zipdata);
 218 
		$this->offset = self::strlen($this->zipdata);
210 
		$this->entries++;
 219 
		$this->entries++;
Zeile 211... Zeile 220...
211 
	}
 220 
	}
Zeile 253... Zeile 262...
253 
	 */
 262 
	 */
254 
	protected function _add_data($filepath, $data, $file_mtime, $file_mdate)
 263 
	protected function _add_data($filepath, $data, $file_mtime, $file_mdate)
255 
	{
 264 
	{
256 
		$filepath = str_replace('\\', '/', $filepath);
 265 
		$filepath = str_replace('\\', '/', $filepath);
Zeile 257... Zeile 266...
257 
 
 266 
 
258 
		$uncompressed_size = strlen($data);
 267 
		$uncompressed_size = self::strlen($data);
259 
		$crc32  = crc32($data);
 268 
		$crc32  = crc32($data);
260 
		$gzdata = substr(gzcompress($data, $this->compression_level), 2, -4);
 269 
		$gzdata = self::substr(gzcompress($data, $this->compression_level), 2, -4);
Zeile 261... Zeile 270...
261 
		$compressed_size = strlen($gzdata);
 270 
		$compressed_size = self::strlen($gzdata);
262 
 
 271 
 
263 
		$this->zipdata .=
 272 
		$this->zipdata .=
264 
			"\x50\x4b\x03\x04\x14\x00\x00\x00\x08\x00"
 273 
			"\x50\x4b\x03\x04\x14\x00\x00\x00\x08\x00"
265 
			.pack('v', $file_mtime)
 274 
			.pack('v', $file_mtime)
266 
			.pack('v', $file_mdate)
 275 
			.pack('v', $file_mdate)
267 
			.pack('V', $crc32)
 276 
			.pack('V', $crc32)
268 
			.pack('V', $compressed_size)
 277 
			.pack('V', $compressed_size)
269 
			.pack('V', $uncompressed_size)
 278 
			.pack('V', $uncompressed_size)
270 
			.pack('v', strlen($filepath)) // length of filename
 279 
			.pack('v', self::strlen($filepath)) // length of filename
271 
			.pack('v', 0) // extra field length
 280 
			.pack('v', 0) // extra field length
Zeile 272... Zeile 281...
272 
			.$filepath
 281 
			.$filepath
Zeile 277... Zeile 286...
277 
			.pack('v', $file_mtime)
 286 
			.pack('v', $file_mtime)
278 
			.pack('v', $file_mdate)
 287 
			.pack('v', $file_mdate)
279 
			.pack('V', $crc32)
 288 
			.pack('V', $crc32)
280 
			.pack('V', $compressed_size)
 289 
			.pack('V', $compressed_size)
281 
			.pack('V', $uncompressed_size)
 290 
			.pack('V', $uncompressed_size)
282 
			.pack('v', strlen($filepath)) // length of filename
 291 
			.pack('v', self::strlen($filepath)) // length of filename
283 
			.pack('v', 0) // extra field length
 292 
			.pack('v', 0) // extra field length
284 
			.pack('v', 0) // file comment length
 293 
			.pack('v', 0) // file comment length
285 
			.pack('v', 0) // disk number start
 294 
			.pack('v', 0) // disk number start
286 
			.pack('v', 0) // internal file attributes
 295 
			.pack('v', 0) // internal file attributes
287 
			.pack('V', 32) // external file attributes - 'archive' bit set
 296 
			.pack('V', 32) // external file attributes - 'archive' bit set
288 
			.pack('V', $this->offset) // relative offset of local header
 297 
			.pack('V', $this->offset) // relative offset of local header
289 
			.$filepath;
 298 
			.$filepath;
Zeile 290... Zeile 299...
290 
 
 299 
 
291 
		$this->offset = strlen($this->zipdata);
 300 
		$this->offset = self::strlen($this->zipdata);
292 
		$this->entries++;
 301 
		$this->entries++;
293 
		$this->file_num++;
 302 
		$this->file_num++;
Zeile 294... Zeile 303...
294 
	}
 303 
	}
Zeile 399... Zeile 408...
399 
 
 408 
 
400 
		return $this->zipdata
 409 
		return $this->zipdata
401 
			.$this->directory."\x50\x4b\x05\x06\x00\x00\x00\x00"
 410 
			.$this->directory."\x50\x4b\x05\x06\x00\x00\x00\x00"
402 
			.pack('v', $this->entries) // total # of entries "on this disk"
 411 
			.pack('v', $this->entries) // total # of entries "on this disk"
403 
			.pack('v', $this->entries) // total # of entries overall
 412 
			.pack('v', $this->entries) // total # of entries overall
404 
			.pack('V', strlen($this->directory)) // size of central dir
 413 
			.pack('V', self::strlen($this->directory)) // size of central dir
405 
			.pack('V', strlen($this->zipdata)) // offset to start of central dir
 414 
			.pack('V', self::strlen($this->zipdata)) // offset to start of central dir
406 
			."\x00\x00"; // .zip file comment length
 415 
			."\x00\x00"; // .zip file comment length
Zeile 407... Zeile 416...
407 
	}
 416 
	}
Zeile 423... Zeile 432...
423 
			return FALSE;
 432 
			return FALSE;
424 
		}
 433 
		}
Zeile 425... Zeile 434...
425 
 
 434 
 
Zeile 426... Zeile 435...
426 
		flock($fp, LOCK_EX);
 435 
		flock($fp, LOCK_EX);
427 
 
 436 
 
428 
		for ($result = $written = 0, $data = $this->get_zip(), $length = strlen($data); $written < $length; $written += $result)
 437 
		for ($result = $written = 0, $data = $this->get_zip(), $length = self::strlen($data); $written < $length; $written += $result)
429 
		{
 438 
		{
430 
			if (($result = fwrite($fp, substr($data, $written))) === FALSE)
 439 
			if (($result = fwrite($fp, self::substr($data, $written))) === FALSE)
431 
			{
 440 
			{
432 
				break;
 441 
				break;
Zeile 479... Zeile 488...
479 
		$this->file_num = 0;
 488 
		$this->file_num = 0;
480 
		$this->offset = 0;
 489 
		$this->offset = 0;
481 
		return $this;
 490 
		return $this;
482 
	}
 491 
	}
Zeile -... Zeile 492...
- 
 
 492 
 
- 
 
 493 
	// --------------------------------------------------------------------
- 
 
 494 
 
- 
 
 495 
	/**
- 
 
 496 
	 * Byte-safe strlen()
- 
 
 497 
	 *
- 
 
 498 
	 * @param	string	$str
- 
 
 499 
	 * @return	int
- 
 
 500 
	 */
- 
 
 501 
	protected static function strlen($str)
- 
 
 502 
	{
- 
 
 503 
		return (self::$func_override)
- 
 
 504 
			? mb_strlen($str, '8bit')
- 
 
 505 
			: strlen($str);
- 
 
 506 
	}
- 
 
 507 
 
- 
 
 508 
	// --------------------------------------------------------------------
- 
 
 509 
 
- 
 
 510 
	/**
- 
 
 511 
	 * Byte-safe substr()
- 
 
 512 
	 *
- 
 
 513 
	 * @param	string	$str
- 
 
 514 
	 * @param	int	$start
- 
 
 515 
	 * @param	int	$length
- 
 
 516 
	 * @return	string
- 
 
 517 
	 */
- 
 
 518 
	protected static function substr($str, $start, $length = NULL)
- 
 
 519 
	{
- 
 
 520 
		if (self::$func_override)
- 
 
 521 
		{
- 
 
 522 
			// mb_substr($str, $start, null, '8bit') returns an empty
- 
 
 523 
			// string on PHP 5.3
- 
 
 524 
			isset($length) OR $length = ($start >= 0 ? self::strlen($str) - $start : -$start);
- 
 
 525 
			return mb_substr($str, $start, $length, '8bit');
- 
 
 526 
		}
- 
 
 527 
 
- 
 
 528 
		return isset($length)
- 
 
 529 
			? substr($str, $start, $length)
- 
 
 530 
			: substr($str, $start);
483 
 
 531 
	}