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<?php
declare(strict_types=1);
namespace Bow\Storage;
use Bow\Storage\Exception\ResourceException;
class Temporary
{
/**
* The temp buffer
*
* @var resource
*/
private mixed $stream = null;
/**
* The Lock filename
*
* @var string
*/
private string $lock_filename;
/**
* Temporary Constructor
*
* @param string $lock_filename
* @return void
* @throws ResourceException
*/
public function __construct(string $lock_filename = 'php://temp')
{
$this->lock_filename = $lock_filename;
$this->open();
}
/**
* Open the streaming
*
* @return void
* @throws ResourceException
*/
public function open(): void
{
if (is_resource($this->stream)) {
throw new ResourceException(
'The temporary file is already open.'
);
}
$this->stream = fopen($this->lock_filename, 'w+b');
}
/**
* Set the Lock file name
*
* @param string $lock_filename
*
* @return void
* @throws ResourceException
*/
public function lockFile(string $lock_filename): void
{
$this->close();
$this->lock_filename = $lock_filename;
$this->open();
}
/**
* Close the streaming
*
* @return void
*/
public function close(): void
{
if ($this->isOpen()) {
fclose($this->stream);
}
}
/**
* Check if the streaming is open
*
* @return bool
*/
public function isOpen(): bool
{
return is_resource($this->stream);
}
/**
* Write content
*
* @param string $content
*
* @return int|bool
* @throws ResourceException
*/
public function write(string $content): int|bool
{
if (!$this->isOpen()) {
$this->open();
}
return fwrite($this->stream, $content);
}
/**
* Read content of temp
*
* @return string
* @throws ResourceException
*/
public function read(): string
{
if (!$this->isOpen()) {
$this->open();
}
$this->stream = fopen($this->lock_filename, 'r');
$content = stream_get_contents($this->stream);
$this->close();
return $content;
}
/**
* Temporary destructor
*/
public function __destruct()
{
$this->close();
}
}