<?php
-# Copyright (C) 2003 Brion Vibber <brion@pobox.com>
+# Copyright (C) 2003-2008 Brion Vibber <brion@pobox.com>
# http://www.mediawiki.org/
#
# This program is free software; you can redistribute it and/or modify
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
# http://www.gnu.org/copyleft/gpl.html
/**
- *
- * @addtogroup SpecialPage
+ * @file
+ * @ingroup SpecialPage
*/
function wfExportGetPagesFromCategory( $title ) {
global $wgContLang;
- $name = $title->getDBKey();
+ $name = $title->getDBkey();
$dbr = wfGetDB( DB_SLAVE );
return $pages;
}
+/**
+ * Expand a list of pages to include templates 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 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_FILE . ' 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( $inputPages as $page ) {
+ $title = Title::newFromText( $page );
+ if( $title ) {
+ $pageSet[$title->getPrefixedText()] = true;
+ /// @fixme May or may not be more efficient to batch these
+ /// by namespace when given multiple input pages.
+ $result = $dbr->select(
+ 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->namespace, $row->title );
+ $pageSet[$template->getPrefixedText()] = true;
+ }
+ }
+ }
+ return $pageSet;
+}
+
+/**
+ * Callback function to remove empty strings from the pages array.
+ */
+function wfFilterPage( $page ) {
+ return $page !== '' && $page !== null;
+}
+
/**
*
*/
if ( $wgRequest->getCheck( 'addcat' ) ) {
$page = $wgRequest->getText( 'pages' );
$catname = $wgRequest->getText( 'catname' );
-
+
if ( $catname !== '' && $catname !== NULL && $catname !== false ) {
- $t = Title::makeTitleSafe( NS_CATEGORY, $catname );
+ $t = Title::makeTitleSafe( NS_MAIN, $catname );
if ( $t ) {
+ /**
+ * @fixme This can lead to hitting memory limit for very large
+ * categories. Ideally we would do the lookup synchronously
+ * during the export in a single query.
+ */
$catpages = wfExportGetPagesFromCategory( $t );
if ( $catpages ) $page .= "\n" . implode( "\n", $catpages );
}
$history['dir'] = 'desc';
}
}
-
+
if( $page != '' ) $doexport = true;
} else {
// Default to current-only for GET requests
} else {
$history = WikiExporter::CURRENT;
}
-
+
if( $page != '' ) $doexport = true;
}
// Override
$history = WikiExporter::CURRENT;
}
-
+
$list_authors = $wgRequest->getCheck( 'listauthors' );
if ( !$curonly || !$wgExportAllowListContributors ) $list_authors = false ;
if ( $doexport ) {
$wgOut->disable();
-
+
// Cancel output buffering and gzipping if set
// This should provide safer streaming for pages with history
wfResetOutputBuffers();
$filename = urlencode( $wgSitename . '-' . wfTimestampNow() . '.xml' );
$wgRequest->response()->header( "Content-disposition: attachment;filename={$filename}" );
}
- $pages = explode( "\n", $page );
- $db = wfGetDB( DB_SLAVE );
- $exporter = new WikiExporter( $db, $history );
+ /* Split up the input and look up linked pages */
+ $inputPages = array_filter( explode( "\n", $page ), 'wfFilterPage' );
+ $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... */
+
+ if( $history == WikiExporter::CURRENT ) {
+ $lb = false;
+ $db = wfGetDB( DB_SLAVE );
+ $buffer = WikiExporter::BUFFER;
+ } else {
+ // Use an unbuffered query; histories may be very long!
+ $lb = wfGetLBFactory()->newMainLB();
+ $db = $lb->getConnection( DB_SLAVE );
+ $buffer = WikiExporter::STREAM;
+
+ // This might take a while... :D
+ wfSuppressWarnings();
+ set_time_limit(0);
+ wfRestoreWarnings();
+ }
+
+ $exporter = new WikiExporter( $db, $history, $buffer );
$exporter->list_authors = $list_authors ;
$exporter->openStream();
-
+
foreach( $pages as $page ) {
/*
if( $wgExportMaxHistory && !$curonly ) {
#Bug 8824: Only export pages the user can read
$title = Title::newFromText( $page );
if( is_null( $title ) ) continue; #TODO: perhaps output an <error> tag or something.
- if( !$title->userCan( 'read' ) ) continue; #TODO: perhaps output an <error> tag or something.
+ if( !$title->userCanRead() ) continue; #TODO: perhaps output an <error> tag or something.
$exporter->pageByTitle( $title );
}
-
+
$exporter->closeStream();
+ if( $lb ) {
+ $lb->closeAll();
+ }
return;
}
$self = SpecialPage::getTitleFor( 'Export' );
- $wgOut->addHtml( wfMsgExt( 'exporttext', 'parse' ) );
-
+ $wgOut->addHTML( wfMsgExt( 'exporttext', 'parse' ) );
+
$form = Xml::openElement( 'form', array( 'method' => 'post',
'action' => $self->getLocalUrl( 'action=submit' ) ) );
-
+
$form .= Xml::inputLabel( wfMsg( 'export-addcattext' ) , 'catname', 'catname', 40 ) . ' ';
$form .= Xml::submitButton( wfMsg( 'export-addcat' ), array( 'name' => 'addcat' ) ) . '<br />';
-
+
$form .= Xml::openElement( 'textarea', array( 'name' => 'pages', 'cols' => 40, 'rows' => 10 ) );
$form .= htmlspecialchars( $page );
$form .= Xml::closeElement( 'textarea' );
$form .= '<br />';
-
+
if( $wgExportAllowHistory ) {
$form .= Xml::checkLabel( wfMsg( 'exportcuronly' ), 'curonly', 'curonly', true ) . '<br />';
} else {
- $wgOut->addHtml( wfMsgExt( 'exportnohistory', 'parse' ) );
+ $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' ) );
+
+ $form .= Xml::submitButton( wfMsg( 'export-submit' ), array( 'accesskey' => 's' ) );
$form .= Xml::closeElement( 'form' );
- $wgOut->addHtml( $form );
-}
\ No newline at end of file
+ $wgOut->addHTML( $form );
+}
scripts.mit.edu / autoinstallsdev / mediawiki.git / blobdiff