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FileLink.php
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FileLink.php
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<?php
/**
* Hoa
*
*
* @license
*
* New BSD License
*
* Copyright © 2007-2017, Hoa community. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the Hoa nor the names of its contributors may be
* used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS AND CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
namespace Psy\Readline\Hoa;
/**
* Class \Hoa\File\Link.
*
* Link handler.
*/
class FileLink extends File
{
/**
* Open a link.
*/
public function __construct(
string $streamName,
string $mode,
?string $context = null,
bool $wait = false
) {
if (!\is_link($streamName)) {
throw new FileException('File %s is not a link.', 0, $streamName);
}
parent::__construct($streamName, $mode, $context, $wait);
return;
}
/**
* Get informations about a link.
*/
public function getStatistic(): array
{
return \lstat($this->getStreamName());
}
/**
* Change file group.
*/
public function changeGroup($group): bool
{
return \lchgrp($this->getStreamName(), $group);
}
/**
* Change file owner.
*/
public function changeOwner($user): bool
{
return \lchown($this->getStreamName(), $user);
}
/**
* Get file permissions.
*/
public function getPermissions(): int
{
return 41453; // i.e. lrwxr-xr-x
}
/**
* Get the target of a symbolic link.
*/
public function getTarget(): FileGeneric
{
$target = \dirname($this->getStreamName()).\DIRECTORY_SEPARATOR.
$this->getTargetName();
$context = null !== $this->getStreamContext()
? $this->getStreamContext()->getCurrentId()
: null;
if (true === \is_link($target)) {
return new FileLinkReadWrite(
$target,
File::MODE_APPEND_READ_WRITE,
$context
);
} elseif (true === \is_file($target)) {
return new FileReadWrite(
$target,
File::MODE_APPEND_READ_WRITE,
$context
);
} elseif (true === \is_dir($target)) {
return new FileDirectory(
$target,
File::MODE_READ,
$context
);
}
throw new FileException('Cannot find an appropriated object that matches with '.'path %s when defining it.', 1, $target);
}
/**
* Get the target name of a symbolic link.
*/
public function getTargetName(): string
{
return \readlink($this->getStreamName());
}
/**
* Create a link.
*/
public static function create(string $name, string $target): bool
{
if (false !== \linkinfo($name)) {
return true;
}
return \symlink($target, $name);
}
}

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text/x-php
Expires
Sat, May 16, 21:35 (1 d, 3 h)
Storage Engine
local-disk
Storage Format
Raw Data
Storage Handle
c2/fe/2e9e620b6f7390a2b1ca7bfb7a83
Default Alt Text
FileLink.php (4 KB)

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