UnregisteredLocalFile.php

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<?php
class UnregisteredLocalFile extends File {
        var $title, $path, $mime, $dims;

        var $handler;

        static function newFromPath( $path, $mime ) {
                return new self( false, false, $path, $mime );
        }

        static function newFromTitle( $title, $repo ) {
                return new self( $title, $repo, false, false );
        }

        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();
        }

        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];
        }

        function getWidth( $page = 1 ) {
                $dim = $this->cachePageDimensions( $page );
                return $dim['width'];
        }

        function getHeight( $page = 1 ) {
                $dim = $this->cachePageDimensions( $page );
                return $dim['height'];
        }

        function getMimeType() {
                if ( !isset( $this->mime ) ) {
                        $magic = MimeMagic::singleton();
                        $this->mime = $magic->guessMimeType( $this->getLocalRefPath() );
                }
                return $this->mime;
        }

        function getImageSize( $filename ) {
                if ( !$this->getHandler() ) {
                        return false;
                }
                return $this->handler->getImageSize( $this, $this->getLocalRefPath() );
        }

        function getMetadata() {
                if ( !isset( $this->metadata ) ) {
                        if ( !$this->getHandler() ) {
                                $this->metadata = false;
                        } else {
                                $this->metadata = $this->handler->getMetadata( $this, $this->getLocalRefPath() );
                        }
                }
                return $this->metadata;
        }

        function getURL() {
                if ( $this->repo ) {
                        return $this->repo->getZoneUrl( 'public' ) . '/' .
                                $this->repo->getHashPath( $this->name ) . rawurlencode( $this->name );
                } else {
                        return false;
                }
        }

        function getSize() {
                $this->assertRepoDefined();
                $props = $this->repo->getFileProps( $this->path );
                if ( isset( $props['size'] ) ) {
                        return $props['size'];
                }
                return false; // doesn't exist
        }
}