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<?php
/**
* File without associated database record.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
* @ingroup FileAbstraction
*/
/**
* A file object referring to either a standalone local file, or a file in a
* local repository with no database, for example an FileRepo repository.
*
* Read-only.
*
* @todo Currently it doesn't really work in the repository role, there are
* lots of functions missing. It is used by the WebStore extension in the
* standalone role.
*
* @ingroup FileAbstraction
*/
class UnregisteredLocalFile extends File {
/** @var Title */
protected $title;
/** @var string */
protected $path;
/** @var bool|string */
protected $mime;
/** @var array Dimension data */
protected $dims;
/** @var bool|string Handler-specific metadata which will be saved in the img_metadata field */
protected $metadata;
/** @var MediaHandler */
public $handler;
/**
* @param string $path Storage path
* @param string $mime
* @return UnregisteredLocalFile
*/
static function newFromPath( $path, $mime ) {
return new self( false, false, $path, $mime );
}
/**
* @param Title $title
* @param FileRepo $repo
* @return UnregisteredLocalFile
*/
static function newFromTitle( $title, $repo ) {
return new self( $title, $repo, false, false );
}
/**
* Create an UnregisteredLocalFile based on a path or a (title,repo) pair.
* A FileRepo object is not required here, unlike most other File classes.
*
* @throws MWException
* @param Title|bool $title
* @param FileRepo|bool $repo
* @param string|bool $path
* @param string|bool $mime
*/
function __construct( $title = false, $repo = false, $path = false, $mime = false ) {
if ( !( $title && $repo ) && !$path ) {
throw new MWException( __METHOD__ .
': not enough parameters, must specify title and repo, or a full path' );
}
if ( $title instanceof Title ) {
$this->title = File::normalizeTitle( $title, 'exception' );
$this->name = $repo->getNameFromTitle( $title );
} else {
$this->name = basename( $path );
$this->title = File::normalizeTitle( $this->name, 'exception' );
}
$this->repo = $repo;
if ( $path ) {
$this->path = $path;
} else {
$this->assertRepoDefined();
$this->path = $repo->getRootDirectory() . '/' .
$repo->getHashPath( $this->name ) . $this->name;
}
if ( $mime ) {
$this->mime = $mime;
}
$this->dims = array();
}
/**
* @param int $page
* @return bool
*/
private function cachePageDimensions( $page = 1 ) {
if ( !isset( $this->dims[$page] ) ) {
if ( !$this->getHandler() ) {
return false;
}
$this->dims[$page] = $this->handler->getPageDimensions( $this, $page );
}
return $this->dims[$page];
}
/**
* @param int $page
* @return int
*/
function getWidth( $page = 1 ) {
$dim = $this->cachePageDimensions( $page );
return $dim['width'];
}
/**
* @param int $page
* @return int
*/
function getHeight( $page = 1 ) {
$dim = $this->cachePageDimensions( $page );
return $dim['height'];
}
/**
* @return bool|string
*/
function getMimeType() {
if ( !isset( $this->mime ) ) {
$magic = MimeMagic::singleton();
$this->mime = $magic->guessMimeType( $this->getLocalRefPath() );
}
return $this->mime;
}
/**
* @param string $filename
* @return array|bool
*/
function getImageSize( $filename ) {
if ( !$this->getHandler() ) {
return false;
}
return $this->handler->getImageSize( $this, $this->getLocalRefPath() );
}
/**
* @return bool
*/
function getMetadata() {
if ( !isset( $this->metadata ) ) {
if ( !$this->getHandler() ) {
$this->metadata = false;
} else {
$this->metadata = $this->handler->getMetadata( $this, $this->getLocalRefPath() );
}
}
return $this->metadata;
}
/**
* @return bool|string
*/
function getURL() {
if ( $this->repo ) {
return $this->repo->getZoneUrl( 'public' ) . '/' .
$this->repo->getHashPath( $this->name ) . rawurlencode( $this->name );
} else {
return false;
}
}
/**
* @return bool|int
*/
function getSize() {
$this->assertRepoDefined();
return $this->repo->getFileSize( $this->path );
}
/**
* Optimize getLocalRefPath() by using an existing local reference.
* The file at the path of $fsFile should not be deleted (or at least
* not until the end of the request). This is mostly a performance hack.
*
* @param FSFile $fsFile
* @return void
*/
public function setLocalReference( FSFile $fsFile ) {
$this->fsFile = $fsFile;
}
}
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