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<?php
/**
* Utility for exporting site entries to XML.
* For the output file format, see docs/sitelist.txt and docs/sitelist-1.0.xsd.
*
* 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
*
* @since 1.25
*
* @file
* @ingroup Site
*
* @license GNU GPL v2+
* @author Daniel Kinzler
*/
class SiteExporter {
/**
* @var resource
*/
private $sink;
/**
* @param resource $sink A file handle open for writing
*/
public function __construct( $sink ) {
if ( !is_resource( $sink ) || get_resource_type( $sink ) !== 'stream' ) {
throw new InvalidArgumentException( '$sink must be a file handle' );
}
$this->sink = $sink;
}
/**
* Writes a <site> tag for each Site object in $sites, and encloses the entire list
* between <sites> tags.
*
* @param Site[]|SiteList $sites
*/
public function exportSites( $sites ) {
$attributes = [
'version' => '1.0',
'xmlns' => 'http://www.mediawiki.org/xml/sitelist-1.0/',
];
fwrite( $this->sink, Xml::openElement( 'sites', $attributes ) . "\n" );
foreach ( $sites as $site ) {
$this->exportSite( $site );
}
fwrite( $this->sink, Xml::closeElement( 'sites' ) . "\n" );
fflush( $this->sink );
}
/**
* Writes a <site> tag representing the given Site object.
*
* @param Site $site
*/
private function exportSite( Site $site ) {
if ( $site->getType() !== Site::TYPE_UNKNOWN ) {
$siteAttr = [ 'type' => $site->getType() ];
} else {
$siteAttr = null;
}
fwrite( $this->sink, "\t" . Xml::openElement( 'site', $siteAttr ) . "\n" );
fwrite( $this->sink, "\t\t" . Xml::element( 'globalid', null, $site->getGlobalId() ) . "\n" );
if ( $site->getGroup() !== Site::GROUP_NONE ) {
fwrite( $this->sink, "\t\t" . Xml::element( 'group', null, $site->getGroup() ) . "\n" );
}
if ( $site->getSource() !== Site::SOURCE_LOCAL ) {
fwrite( $this->sink, "\t\t" . Xml::element( 'source', null, $site->getSource() ) . "\n" );
}
if ( $site->shouldForward() ) {
fwrite( $this->sink, "\t\t" . Xml::element( 'forward', null, '' ) . "\n" );
}
foreach ( $site->getAllPaths() as $type => $path ) {
fwrite( $this->sink, "\t\t" . Xml::element( 'path', [ 'type' => $type ], $path ) . "\n" );
}
foreach ( $site->getLocalIds() as $type => $ids ) {
foreach ( $ids as $id ) {
fwrite( $this->sink, "\t\t" . Xml::element( 'localid', [ 'type' => $type ], $id ) . "\n" );
}
}
// @todo: export <data>
// @todo: export <config>
fwrite( $this->sink, "\t" . Xml::closeElement( 'site' ) . "\n" );
}
}
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