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<?php
/**
* Class to walk into a list of Title objects.
*
* Note: this entire file is a byte-for-byte copy of UserArrayFromResult.php
* with s/User/Title/. If anyone can figure out how to do this nicely
* with inheritance or something, please do so.
*
* 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
*/
class TitleArrayFromResult extends TitleArray implements Countable {
/** @var ResultWrapper */
public $res;
public $key;
public $current;
function __construct( $res ) {
$this->res = $res;
$this->key = 0;
$this->setCurrent( $this->res->current() );
}
/**
* @param bool|ResultWrapper $row
* @return void
*/
protected function setCurrent( $row ) {
if ( $row === false ) {
$this->current = false;
} else {
$this->current = Title::newFromRow( $row );
}
}
/**
* @return int
*/
public function count() {
return $this->res->numRows();
}
function current() {
return $this->current;
}
function key() {
return $this->key;
}
function next() {
$row = $this->res->next();
$this->setCurrent( $row );
$this->key++;
}
function rewind() {
$this->res->rewind();
$this->key = 0;
$this->setCurrent( $this->res->current() );
}
/**
* @return bool
*/
function valid() {
return $this->current !== false;
}
}
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