|
<?php
|
|
|
|
/**
|
|
* Swift Mailer File Stream Wrapper
|
|
* Please read the LICENSE file
|
|
* @copyright Chris Corbyn <chris@w3style.co.uk>
|
|
* @author Chris Corbyn <chris@w3style.co.uk>
|
|
* @package Swift
|
|
* @license GNU Lesser General Public License
|
|
*/
|
|
|
|
require_once dirname(__FILE__) . "/ClassLoader.php";
|
|
Swift_ClassLoader::load("Swift_FileException");
|
|
|
|
/**
|
|
* Swift File stream abstraction layer
|
|
* Reads bytes from a file
|
|
* @package Swift
|
|
* @author Chris Corbyn <chris@w3style.co.uk>
|
|
*/
|
|
class Swift_File
|
|
{
|
|
/**
|
|
* The accessible path to the file
|
|
* @var string
|
|
*/
|
|
protected $path = null;
|
|
/**
|
|
* The name of the file
|
|
* @var string
|
|
*/
|
|
protected $name = null;
|
|
/**
|
|
* The resource returned by fopen() against the path
|
|
* @var resource
|
|
*/
|
|
protected $handle = null;
|
|
/**
|
|
* The status of magic_quotes in php.ini
|
|
* @var boolean
|
|
*/
|
|
protected $magic_quotes = false;
|
|
|
|
/**
|
|
* Constructor
|
|
* @param string The path the the file
|
|
* @throws Swift_FileException If the file cannot be found
|
|
*/
|
|
public function __construct($path)
|
|
{
|
|
$this->setPath($path);
|
|
$this->magic_quotes = get_magic_quotes_runtime();
|
|
}
|
|
/**
|
|
* Set the path to the file
|
|
* @param string The path to the file
|
|
* @throws Swift_FileException If the file cannot be found
|
|
*/
|
|
public function setPath($path)
|
|
{
|
|
if (!file_exists($path))
|
|
{
|
|
throw new Swift_FileException("No such file '" . $path ."'");
|
|
}
|
|
$this->handle = null;
|
|
$this->path = $path;
|
|
$this->name = null;
|
|
$this->name = $this->getFileName();
|
|
}
|
|
/**
|
|
* Get the path to the file
|
|
* @return string
|
|
*/
|
|
public function getPath()
|
|
{
|
|
return $this->path;
|
|
}
|
|
/**
|
|
* Get the name of the file without it's full path
|
|
* @return string
|
|
*/
|
|
public function getFileName()
|
|
{
|
|
if ($this->name !== null)
|
|
{
|
|
return $this->name;
|
|
}
|
|
else
|
|
{
|
|
return basename($this->getPath());
|
|
}
|
|
}
|
|
/**
|
|
* Establish an open file handle on the file if the file is not yet opened
|
|
* @throws Swift_FileException If the file cannot be opened for reading
|
|
*/
|
|
protected function createHandle()
|
|
{
|
|
if ($this->handle === null)
|
|
{
|
|
if (!$this->handle = fopen($this->path, "rb"))
|
|
{
|
|
throw new Swift_FileException("Unable to open file '" . $this->path . " for reading. Check the file permissions.");
|
|
}
|
|
}
|
|
}
|
|
/**
|
|
* Check if the pointer as at the end of the file
|
|
* @return boolean
|
|
* @throws Swift_FileException If the file cannot be read
|
|
*/
|
|
public function EOF()
|
|
{
|
|
$this->createHandle();
|
|
return feof($this->handle);
|
|
}
|
|
/**
|
|
* Get a single byte from the file
|
|
* Returns false past EOF
|
|
* @return string
|
|
* @throws Swift_FileException If the file cannot be read
|
|
*/
|
|
public function getByte()
|
|
{
|
|
$this->createHandle();
|
|
return $this->read(1);
|
|
}
|
|
/**
|
|
* Read one full line from the file including the line ending
|
|
* Returns false past EOF
|
|
* @return string
|
|
* @throws Swift_FileException If the file cannot be read
|
|
*/
|
|
public function readln()
|
|
{
|
|
set_magic_quotes_runtime(0);
|
|
$this->createHandle();
|
|
if (!$this->EOF())
|
|
{
|
|
$ret = fgets($this->handle);
|
|
}
|
|
else $ret = false;
|
|
|
|
set_magic_quotes_runtime($this->magic_quotes);
|
|
|
|
return $ret;
|
|
}
|
|
/**
|
|
* Get the entire file contents as a string
|
|
* @return string
|
|
* @throws Swift_FileException If the file cannot be read
|
|
*/
|
|
public function readFull()
|
|
{
|
|
$ret = "";
|
|
set_magic_quotes_runtime(0);
|
|
while (false !== $chunk = $this->read(8192, false)) $ret .= $chunk;
|
|
set_magic_quotes_runtime($this->magic_quotes);
|
|
return $ret;
|
|
}
|
|
/**
|
|
* Read a given number of bytes from the file
|
|
* Returns false past EOF
|
|
* @return string
|
|
* @throws Swift_FileException If the file cannot be read
|
|
*/
|
|
public function read($bytes, $unquote=true)
|
|
{
|
|
if ($unquote) set_magic_quotes_runtime(0);
|
|
$this->createHandle();
|
|
if (!$this->EOF())
|
|
{
|
|
$ret = fread($this->handle, $bytes);
|
|
}
|
|
else $ret = false;
|
|
|
|
if ($unquote) set_magic_quotes_runtime($this->magic_quotes);
|
|
|
|
return $ret;
|
|
}
|
|
/**
|
|
* Get the size of the file in bytes
|
|
* @return int
|
|
*/
|
|
public function length()
|
|
{
|
|
return filesize($this->path);
|
|
}
|
|
/**
|
|
* Close the open handle on the file
|
|
* @throws Swift_FileException If the file cannot be read
|
|
*/
|
|
public function close()
|
|
{
|
|
$this->createHandle();
|
|
fclose($this->handle);
|
|
$this->handle = null;
|
|
}
|
|
/**
|
|
* Reset the file pointer back to zero
|
|
*/
|
|
public function reset()
|
|
{
|
|
$this->createHandle();
|
|
fseek($this->handle, 0);
|
|
}
|
|
/**
|
|
* Destructor
|
|
* Closes the file
|
|
*/
|
|
public function __destruct()
|
|
{
|
|
if ($this->handle !== null) $this->close();
|
|
}
|
|
}
|