<?php
-# Copyright (C) 2003, 2005 Brion Vibber <brion@pobox.com>
+# Copyright (C) 2003, 2005, 2006 Brion Vibber <brion@pobox.com>
# http://www.mediawiki.org/
#
# This program is free software; you can redistribute it and/or modify
#
# 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.,
-# 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
# http://www.gnu.org/copyleft/gpl.html
+
+
/**
*
- * @package MediaWiki
- * @subpackage SpecialPage
+ * @addtogroup SpecialPage
*/
+class WikiExporter {
+ var $list_authors = false ; # Return distinct author list (when not returning full history)
+ var $author_list = "" ;
-/** */
-require_once( 'Revision.php' );
-
-define( 'MW_EXPORT_FULL', 0 );
-define( 'MW_EXPORT_CURRENT', 1 );
-
-define( 'MW_EXPORT_BUFFER', 0 );
-define( 'MW_EXPORT_STREAM', 1 );
+ const FULL = 0;
+ const CURRENT = 1;
-define( 'MW_EXPORT_TEXT', 0 );
-define( 'MW_EXPORT_STUB', 1 );
+ const BUFFER = 0;
+ const STREAM = 1;
+ const TEXT = 0;
+ const STUB = 1;
-/**
- * @package MediaWiki
- * @subpackage SpecialPage
- */
-class WikiExporter {
/**
- * If using MW_EXPORT_STREAM to stream a large amount of data,
+ * If using WikiExporter::STREAM to stream a large amount of data,
* provide a database connection which is not managed by
* LoadBalancer to read from: some history blob types will
* make additional queries to pull source data while the
* main query is still running.
*
* @param Database $db
- * @param int $history one of MW_EXPORT_FULL or MW_EXPORT_CURRENT
- * @param int $buffer one of MW_EXPORT_BUFFER or MW_EXPORT_STREAM
+ * @param mixed $history one of WikiExporter::FULL or WikiExporter::CURRENT, or an
+ * associative array:
+ * offset: non-inclusive offset at which to start the query
+ * limit: maximum number of rows to return
+ * dir: "asc" or "desc" timestamp order
+ * @param int $buffer one of WikiExporter::BUFFER or WikiExporter::STREAM
*/
- function WikiExporter( &$db, $history = MW_EXPORT_CURRENT,
- $buffer = MW_EXPORT_BUFFER, $text = MW_EXPORT_TEXT ) {
+ function __construct( &$db, $history = WikiExporter::CURRENT,
+ $buffer = WikiExporter::BUFFER, $text = WikiExporter::TEXT ) {
$this->db =& $db;
$this->history = $history;
$this->buffer = $buffer;
// -------------------- private implementation below --------------------
+ # Generates the distinct list of authors of an article
+ # Not called by default (depends on $this->list_authors)
+ # Can be set by Special:Export when not exporting whole history
+ function do_list_authors ( $page , $revision , $cond ) {
+ $fname = "do_list_authors" ;
+ wfProfileIn( $fname );
+ $this->author_list = "<contributors>";
+ //rev_deleted
+ $nothidden = '(rev_deleted & '.Revision::DELETED_USER.') = 0';
+
+ $sql = "SELECT DISTINCT rev_user_text,rev_user FROM {$page},{$revision} WHERE page_id=rev_page AND $nothidden AND " . $cond ;
+ $result = $this->db->query( $sql, $fname );
+ $resultset = $this->db->resultObject( $result );
+ while( $row = $resultset->fetchObject() ) {
+ $this->author_list .= "<contributor>" .
+ "<username>" .
+ htmlentities( $row->rev_user_text ) .
+ "</username>" .
+ "<id>" .
+ $row->rev_user .
+ "</id>" .
+ "</contributor>";
+ }
+ wfProfileOut( $fname );
+ $this->author_list .= "</contributors>";
+ }
+
function dumpFrom( $cond = '' ) {
$fname = 'WikiExporter::dumpFrom';
wfProfileIn( $fname );
$revision = $this->db->tableName( 'revision' );
$text = $this->db->tableName( 'text' );
- if( $this->history == MW_EXPORT_FULL ) {
+ $order = 'ORDER BY page_id';
+ $limit = '';
+
+ if( $this->history == WikiExporter::FULL ) {
$join = 'page_id=rev_page';
- } elseif( $this->history == MW_EXPORT_CURRENT ) {
+ } elseif( $this->history == WikiExporter::CURRENT ) {
+ if ( $this->list_authors && $cond != '' ) { // List authors, if so desired
+ $this->do_list_authors ( $page , $revision , $cond );
+ }
$join = 'page_id=rev_page AND page_latest=rev_id';
+ } elseif ( is_array( $this->history ) ) {
+ $join = 'page_id=rev_page';
+ if ( $this->history['dir'] == 'asc' ) {
+ $op = '>';
+ $order .= ', rev_timestamp';
+ } else {
+ $op = '<';
+ $order .= ', rev_timestamp DESC';
+ }
+ if ( !empty( $this->history['offset'] ) ) {
+ $join .= " AND rev_timestamp $op " . $this->db->addQuotes(
+ $this->db->timestamp( $this->history['offset'] ) );
+ }
+ if ( !empty( $this->history['limit'] ) ) {
+ $limitNum = intval( $this->history['limit'] );
+ if ( $limitNum > 0 ) {
+ $limit = "LIMIT $limitNum";
+ }
+ }
} else {
wfProfileOut( $fname );
return new WikiError( "$fname given invalid history dump type." );
}
$where = ( $cond == '' ) ? '' : "$cond AND";
- if( $this->buffer == MW_EXPORT_STREAM ) {
+ if( $this->buffer == WikiExporter::STREAM ) {
$prev = $this->db->bufferResults( false );
}
if( $cond == '' ) {
// Optimization hack for full-database dump
- $pageindex = 'FORCE INDEX (PRIMARY)';
- $revindex = 'FORCE INDEX(page_timestamp)';
+ $revindex = $pageindex = $this->db->useIndexClause("PRIMARY");
+ $straight = ' /*! STRAIGHT_JOIN */ ';
} else {
$pageindex = '';
$revindex = '';
+ $straight = '';
}
- if( $this->text == MW_EXPORT_STUB ) {
- $sql = "SELECT * FROM
+ if( $this->text == WikiExporter::STUB ) {
+ $sql = "SELECT $straight * FROM
$page $pageindex,
$revision $revindex
WHERE $where $join
- ORDER BY page_id";
+ $order $limit";
} else {
- $sql = "SELECT * FROM
+ $sql = "SELECT $straight * FROM
$page $pageindex,
$revision $revindex,
$text
WHERE $where $join AND rev_text_id=old_id
- ORDER BY page_id";
+ $order $limit";
}
$result = $this->db->query( $sql, $fname );
$wrapper = $this->db->resultObject( $result );
$this->outputStream( $wrapper );
- if( $this->buffer == MW_EXPORT_STREAM ) {
+ if ( $this->list_authors ) {
+ $this->outputStream( $wrapper );
+ }
+
+ if( $this->buffer == WikiExporter::STREAM ) {
$this->db->bufferResults( $prev );
}
$this->sink->writeRevision( $row, $output );
}
if( isset( $last ) ) {
- $output = $this->writer->closePage();
+ $output = $this->author_list . $this->writer->closePage();
$this->sink->writeClosePage( $output );
}
$resultset->free();
}
}
+/**
+ * @addtogroup Dump
+ */
class XmlDumpWriter {
/**
* @return string
*/
function schemaVersion() {
- return "0.3";
+ return "0.3"; // FIXME: upgrade to 0.4 when updated XSD is ready, for the revision deletion bits
}
/**
}
function homelink() {
- $page = Title::newFromText( wfMsgForContent( 'mainpage' ) );
- return wfElement( 'base', array(), $page->getFullUrl() );
+ return wfElement( 'base', array(), Title::newMainPage()->getFullUrl() );
}
function caseSetting() {
$ts = wfTimestamp( TS_ISO_8601, $row->rev_timestamp );
$out .= " " . wfElement( 'timestamp', null, $ts ) . "\n";
- $out .= " <contributor>\n";
- if( $row->rev_user ) {
- $out .= " " . wfElementClean( 'username', null, strval( $row->rev_user_text ) ) . "\n";
- $out .= " " . wfElement( 'id', null, strval( $row->rev_user ) ) . "\n";
+ if( $row->rev_deleted & Revision::DELETED_USER ) {
+ $out .= " " . wfElement( 'contributor', array( 'deleted' => 'deleted' ) ) . "\n";
} else {
- $out .= " " . wfElementClean( 'ip', null, strval( $row->rev_user_text ) ) . "\n";
+ $out .= " <contributor>\n";
+ if( $row->rev_user ) {
+ $out .= " " . wfElementClean( 'username', null, strval( $row->rev_user_text ) ) . "\n";
+ $out .= " " . wfElement( 'id', null, strval( $row->rev_user ) ) . "\n";
+ } else {
+ $out .= " " . wfElementClean( 'ip', null, strval( $row->rev_user_text ) ) . "\n";
+ }
+ $out .= " </contributor>\n";
}
- $out .= " </contributor>\n";
if( $row->rev_minor_edit ) {
$out .= " <minor/>\n";
}
- if( $row->rev_comment != '' ) {
+ if( $row->rev_deleted & Revision::DELETED_COMMENT ) {
+ $out .= " " . wfElement( 'comment', array( 'deleted' => 'deleted' ) ) . "\n";
+ } elseif( $row->rev_comment != '' ) {
$out .= " " . wfElementClean( 'comment', null, strval( $row->rev_comment ) ) . "\n";
}
- if( isset( $row->old_text ) ) {
+ if( $row->rev_deleted & Revision::DELETED_TEXT ) {
+ $out .= " " . wfElement( 'text', array( 'deleted' => 'deleted' ) ) . "\n";
+ } elseif( isset( $row->old_text ) ) {
// Raw text from the database may have invalid chars
$text = strval( Revision::getRevisionText( $row ) );
$out .= " " . wfElementClean( 'text',
/**
* Base class for output stream; prints to stdout or buffer or whereever.
+ * @addtogroup Dump
*/
class DumpOutput {
function writeOpenStream( $string ) {
/**
* Stream outputter to send data to a file.
+ * @addtogroup Dump
*/
class DumpFileOutput extends DumpOutput {
var $handle;
* Stream outputter to send data to a file via some filter program.
* Even if compression is available in a library, using a separate
* program can allow us to make use of a multi-processor system.
+ * @addtogroup Dump
*/
class DumpPipeOutput extends DumpFileOutput {
function DumpPipeOutput( $command, $file = null ) {
/**
* Sends dump output via the gzip compressor.
+ * @addtogroup Dump
*/
class DumpGZipOutput extends DumpPipeOutput {
function DumpGZipOutput( $file ) {
/**
* Sends dump output via the bgzip2 compressor.
+ * @addtogroup Dump
*/
class DumpBZip2Output extends DumpPipeOutput {
function DumpBZip2Output( $file ) {
/**
* Sends dump output via the p7zip compressor.
+ * @addtogroup Dump
*/
class Dump7ZipOutput extends DumpPipeOutput {
function Dump7ZipOutput( $file ) {
$command = "7za a -bd -si " . wfEscapeShellArg( $file );
+ // Suppress annoying useless crap from p7zip
+ // Unfortunately this could suppress real error messages too
+ $command .= " >/dev/null 2>&1";
parent::DumpPipeOutput( $command );
}
}
* Dump output filter class.
* This just does output filtering and streaming; XML formatting is done
* higher up, so be careful in what you do.
+ * @addtogroup Dump
*/
class DumpFilter {
function DumpFilter( &$sink ) {
* Override for page-based filter types.
* @return bool
*/
- function pass( $page, $string ) {
+ function pass( $page ) {
return true;
}
}
/**
* Simple dump output filter to exclude all talk pages.
+ * @addtogroup Dump
*/
class DumpNotalkFilter extends DumpFilter {
function pass( $page ) {
/**
* Dump output filter to include or exclude pages in a given set of namespaces.
+ * @addtogroup Dump
*/
class DumpNamespaceFilter extends DumpFilter {
var $invert = false;
$ns = intval( $key );
$this->namespaces[$ns] = true;
} else {
- wfDie( "Unrecognized namespace key '$key'\n" );
+ throw new MWException( "Unrecognized namespace key '$key'\n" );
}
}
}
/**
* Dump output filter to include only the last revision in each page sequence.
+ * @addtogroup Dump
*/
class DumpLatestFilter extends DumpFilter {
var $page, $pageString, $rev, $revString;
/**
* Base class for output stream; prints to stdout or buffer or whereever.
+ * @addtogroup Dump
*/
class DumpMultiWriter {
function DumpMultiWriter( $sinks ) {
dépôts / lhc / web / wiklou.git / blobdiff