mirror of
https://github.com/WordPress/WordPress.git
synced 2024-08-23 14:23:09 +02:00
git-svn-id: http://svn.automattic.com/wordpress/trunk@6554 1a063a9b-81f0-0310-95a4-ce76da25c4cd
172 lines
3.8 KiB
PHP
172 lines
3.8 KiB
PHP
<?php
|
|
/**
|
|
* PHP-Gettext External Library: StreamReader classes
|
|
*
|
|
* @package External
|
|
* @subpackage PHP-gettext
|
|
*
|
|
* @internal
|
|
Copyright (c) 2003, 2005 Danilo Segan <danilo@kvota.net>.
|
|
|
|
This file is part of PHP-gettext.
|
|
|
|
PHP-gettext is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
PHP-gettext is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with PHP-gettext; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
|
|
*/
|
|
|
|
|
|
// Simple class to wrap file streams, string streams, etc.
|
|
// seek is essential, and it should be byte stream
|
|
class StreamReader {
|
|
// should return a string [FIXME: perhaps return array of bytes?]
|
|
function read($bytes) {
|
|
return false;
|
|
}
|
|
|
|
// should return new position
|
|
function seekto($position) {
|
|
return false;
|
|
}
|
|
|
|
// returns current position
|
|
function currentpos() {
|
|
return false;
|
|
}
|
|
|
|
// returns length of entire stream (limit for seekto()s)
|
|
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; // Cannot read file, probably permissions
|
|
return false;
|
|
}
|
|
} else {
|
|
$this->error = 2; // File doesn't exist
|
|
return false;
|
|
}
|
|
}
|
|
|
|
function read($bytes) {
|
|
if ($bytes) {
|
|
fseek($this->_fd, $this->_pos);
|
|
|
|
// PHP 5.1.1 does not read more than 8192 bytes in one fread()
|
|
// the discussions at PHP Bugs suggest it's the intended behaviour
|
|
while ($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);
|
|
}
|
|
|
|
}
|
|
|
|
// Preloads entire file in memory first, then creates a StringReader
|
|
// over it (it assumes knowledge of StringReader internals)
|
|
class CachedFileReader extends StringReader {
|
|
function CachedFileReader($filename) {
|
|
if (file_exists($filename)) {
|
|
|
|
$length=filesize($filename);
|
|
$fd = fopen($filename,'rb');
|
|
|
|
if (!$fd) {
|
|
$this->error = 3; // Cannot read file, probably permissions
|
|
return false;
|
|
}
|
|
$this->_str = fread($fd, $length);
|
|
fclose($fd);
|
|
|
|
} else {
|
|
$this->error = 2; // File doesn't exist
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
?>
|