Viewing file:  ClosureStream.php (2.22 KB) -rw-r--r--
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<?php
/* ===========================================================================
* Copyright (c) 2018-2021 Zindex Software
*
* Licensed under the MIT License
* =========================================================================== */
namespace Opis\Closure;
/**
* @internal
*/
class ClosureStream
{
const STREAM_PROTO = 'closure';
protected static $isRegistered = false;
protected $content;
protected $length;
protected $pointer = 0;
function stream_open($path, $mode, $options, &$opened_path)
{
$this->content = "<?php\nreturn " . substr($path, strlen(static::STREAM_PROTO . '://')) . ";";
$this->length = strlen($this->content);
return true;
}
public function stream_read($count)
{
$value = substr($this->content, $this->pointer, $count);
$this->pointer += $count;
return $value;
}
public function stream_eof()
{
return $this->pointer >= $this->length;
}
public function stream_set_option($option, $arg1, $arg2)
{
return false;
}
public function stream_stat()
{
$stat = stat(__FILE__);
$stat[7] = $stat['size'] = $this->length;
return $stat;
}
public function url_stat($path, $flags)
{
$stat = stat(__FILE__);
$stat[7] = $stat['size'] = $this->length;
return $stat;
}
public function stream_seek($offset, $whence = SEEK_SET)
{
$crt = $this->pointer;
switch ($whence) {
case SEEK_SET:
$this->pointer = $offset;
break;
case SEEK_CUR:
$this->pointer += $offset;
break;
case SEEK_END:
$this->pointer = $this->length + $offset;
break;
}
if ($this->pointer < 0 || $this->pointer >= $this->length) {
$this->pointer = $crt;
return false;
}
return true;
}
public function stream_tell()
{
return $this->pointer;
}
public static function register()
{
if (!static::$isRegistered) {
static::$isRegistered = stream_wrapper_register(static::STREAM_PROTO, __CLASS__);
}
}
}
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