/**
* Expand a list of pages to include templates used in those pages.
- * @input $pages string newline-separated list of page titles
- * @output string newline-separated list of page titles
+ * @param $inputPages array, list of titles to look up
+ * @param $pageSet array, associative array indexed by titles for output
+ * @return array associative array index by titles
*/
-function wfExportGetTemplates( $pages ) {
- $pageList = array_unique( array_filter( explode( "\n", $pages ) ) );
- $output = array();
+function wfExportGetTemplates( $inputPages, $pageSet ) {
+ return wfExportGetLinks( $inputPages, $pageSet,
+ 'templatelinks',
+ array( 'tl_namespace AS namespace', 'tl_title AS title' ),
+ array( 'page_id=tl_from' ) );
+}
+
+/**
+ * Expand a list of pages to include images used in those pages.
+ * @param $inputPages array, list of titles to look up
+ * @param $pageSet array, associative array indexed by titles for output
+ * @return array associative array index by titles
+ */
+function wfExportGetImages( $inputPages, $pageSet ) {
+ return wfExportGetLinks( $inputPages, $pageSet,
+ 'imagelinks',
+ array( NS_IMAGE . ' AS namespace', 'il_to AS title' ),
+ array( 'page_id=il_from' ) );
+}
+
+/**
+ * Expand a list of pages to include items used in those pages.
+ * @private
+ */
+function wfExportGetLinks( $inputPages, $pageSet, $table, $fields, $join ) {
$dbr = wfGetDB( DB_SLAVE );
- foreach( $pageList as $page ) {
+ foreach( $inputPages as $page ) {
$title = Title::newFromText( $page );
- $output[$title->getPrefixedText()] = true;
+ $pageSet[$title->getPrefixedText()] = true;
if( $title ) {
/// @fixme May or may not be more efficient to batch these
/// by namespace when given multiple input pages.
$result = $dbr->select(
- array( 'page', 'templatelinks' ),
- array( 'tl_namespace', 'tl_title' ),
- array(
- 'page_namespace' => $title->getNamespace(),
- 'page_title' => $title->getDbKey(),
- 'page_id=tl_from' ),
+ array( 'page', $table ),
+ $fields,
+ array_merge( $join,
+ array(
+ 'page_namespace' => $title->getNamespace(),
+ 'page_title' => $title->getDbKey() ) ),
__METHOD__ );
foreach( $result as $row ) {
- $template = Title::makeTitle( $row->tl_namespace, $row->tl_title );
- $output[$template->getPrefixedText()] = true;
+ $template = Title::makeTitle( $row->namespace, $row->title );
+ $pageSet[$template->getPrefixedText()] = true;
}
}
}
- return implode( "\n", array_keys( $output ) );
+ return $pageSet;
}
/**
$list_authors = $wgRequest->getCheck( 'listauthors' );
if ( !$curonly || !$wgExportAllowListContributors ) $list_authors = false ;
- if( $wgRequest->getCheck( 'templates' ) ) {
- $page = wfExportGetTemplates( $page );
- }
-
if ( $doexport ) {
$wgOut->disable();
$filename = urlencode( $wgSitename . '-' . wfTimestampNow() . '.xml' );
$wgRequest->response()->header( "Content-disposition: attachment;filename={$filename}" );
}
- $pages = explode( "\n", $page );
+
+ /* Split up the input and look up linked pages */
+ $inputPages = array_filter( explode( "\n", $page ) );
+ $pageSet = array_flip( $inputPages );
+
+ if( $wgRequest->getCheck( 'templates' ) ) {
+ $pageSet = wfExportGetTemplates( $inputPages, $pageSet );
+ }
+
+ /*
+ // Enable this when we can do something useful exporting/importing image information. :)
+ if( $wgRequest->getCheck( 'images' ) ) {
+ $pageSet = wfExportGetImages( $inputPages, $pageSet );
+ }
+ */
+
+ $pages = array_keys( $pageSet );
+
+ /* Ok, let's get to it... */
$db = wfGetDB( DB_SLAVE );
$exporter = new WikiExporter( $db, $history );
$wgOut->addHtml( wfMsgExt( 'exportnohistory', 'parse' ) );
}
$form .= Xml::checkLabel( wfMsg( 'export-templates' ), 'templates', 'wpExportTemplates', false ) . '<br />';
+ // Enable this when we can do something useful exporting/importing image information. :)
+ //$form .= Xml::checkLabel( wfMsg( 'export-images' ), 'images', 'wpExportImages', false ) . '<br />';
$form .= Xml::checkLabel( wfMsg( 'export-download' ), 'wpDownload', 'wpDownload', true ) . '<br />';
$form .= Xml::submitButton( wfMsg( 'export-submit' ) );