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<?php
/**
* Note: this entire file is a byte-for-byte copy of UserArray.php with
* s/User/Title/. If anyone can figure out how to do this nicely with inheri-
* tance or something, please do so.
*/
/**
* The TitleArray class only exists to provide the newFromResult method at pre-
* sent.
*/
abstract class TitleArray implements Iterator {
/**
* @param $res result A MySQL result including at least page_namespace and
* page_title -- also can have page_id, page_len, page_is_redirect,
* page_latest (if those will be used). See Title::newFromRow.
* @return TitleArray
*/
static function newFromResult( $res ) {
$array = null;
if ( !wfRunHooks( 'TitleArrayFromResult', array( &$array, $res ) ) ) {
return null;
}
if ( $array === null ) {
$array = self::newFromResult_internal( $res );
}
return $array;
}
protected static function newFromResult_internal( $res ) {
$array = new TitleArrayFromResult( $res );
return $array;
}
}
class TitleArrayFromResult extends TitleArray {
var $res;
var $key, $current;
function __construct( $res ) {
$this->res = $res;
$this->key = 0;
$this->setCurrent( $this->res->current() );
}
protected function setCurrent( $row ) {
if ( $row === false ) {
$this->current = false;
} else {
$this->current = Title::newFromRow( $row );
}
}
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() );
}
function valid() {
return $this->current !== false;
}
}
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