<?php
/*
- Copyright (c) 2003, 2005 Danilo Segan <danilo@kvota.net>.
+ Copyright (c) 2003, 2005, 2006, 2009 Danilo Segan <danilo@kvota.net>.
This file is part of PHP-gettext.
*/
-// Simple class to wrap file streams, string streams, etc.
-// seek is essential, and it should be byte stream
+ // 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 $_pos;
return strlen($this->_str);
}
-}
+};
class FileReader {
$this->_pos = 0;
$this->_fd = fopen($filename,'rb');
if (!$this->_fd) {
- $this->error = 3; // Cannot read file, probably permissions
- return false;
+ $this->error = 3; // Cannot read file, probably permissions
+ return false;
}
} else {
$this->error = 2; // File doesn't exist
// 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
+ $data = '';
while ($bytes > 0) {
$chunk = fread($this->_fd, $bytes);
$data .= $chunk;
$bytes -= strlen($chunk);
}
$this->_pos = ftell($this->_fd);
-
+
return $data;
} else return '';
}
fclose($this->_fd);
}
-}
+};
-// Preloads entire file in memory first, then creates a StringReader
+// 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) {
$fd = fopen($filename,'rb');
if (!$fd) {
- $this->error = 3; // Cannot read file, probably permissions
- return false;
+ $this->error = 3; // Cannot read file, probably permissions
+ return false;
}
$this->_str = fread($fd, $length);
fclose($fd);
return false;
}
}
-}
+};
-?>
\ No newline at end of file
+?>