123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167 |
- <?php
- if(!defined('entry') || !entry) die('Not a valid page');
-
-
-
-
-
-
- class StreamReader {
-
- function read($bytes) {
- return false;
- }
-
-
- function seekto($position) {
- return false;
- }
-
-
- function currentpos() {
- return false;
- }
-
-
- function length() {
- return false;
- }
- }
-
- class StringReader {
- var $_pos;
- var $_str;
-
- function StringReader($str='') {
- $this->_str = $str;
- $this->_pos = 0;
- }
-
- function read($bytes) {
- $data = substr($this->_str, $this->_pos, $bytes);
- $this->_pos += $bytes;
- if (strlen($this->_str)<$this->_pos)
- $this->_pos = strlen($this->_str);
-
- return $data;
- }
-
- function seekto($pos) {
- $this->_pos = $pos;
- if (strlen($this->_str)<$this->_pos)
- $this->_pos = strlen($this->_str);
- return $this->_pos;
- }
-
- function currentpos() {
- return $this->_pos;
- }
-
- function length() {
- return strlen($this->_str);
- }
-
- }
-
-
- class FileReader {
- var $_pos;
- var $_fd;
- var $_length;
-
- function FileReader($filename) {
- if (file_exists($filename)) {
-
- $this->_length=filesize($filename);
- $this->_pos = 0;
- $this->_fd = fopen($filename,'rb');
- if (!$this->_fd) {
- $this->error = 3;
- return false;
- }
- } else {
- $this->error = 2;
- return false;
- }
- }
-
- function read($bytes) {
- if ($bytes) {
- fseek($this->_fd, $this->_pos);
-
-
-
- $data="";
- while ($bytes > 0) {
- $chunk = fread($this->_fd, $bytes);
- $data .= $chunk;
- $bytes -= strlen($chunk);
- }
- $this->_pos = ftell($this->_fd);
-
- return $data;
- } else return '';
- }
-
- function seekto($pos) {
- fseek($this->_fd, $pos);
- $this->_pos = ftell($this->_fd);
- return $this->_pos;
- }
-
- function currentpos() {
- return $this->_pos;
- }
-
- function length() {
- return $this->_length;
- }
-
- function close() {
- fclose($this->_fd);
- }
-
- }
-
-
-
- class CachedFileReader extends StringReader {
- function CachedFileReader($filename) {
- if (file_exists($filename)) {
-
- $length=filesize($filename);
- $fd = fopen($filename,'rb');
-
- if (!$fd) {
- $this->error = 3;
- return false;
- }
- $this->_str = fread($fd, $length);
- fclose($fd);
-
- } else {
- $this->error = 2;
- return false;
- }
- }
- }
- ?>
|