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<?
# Rebuild interwiki table using the file on meta and the language list
# Wikimedia specific!
$oldCwd = getcwd();
$optionsWithArgs = array( "o" );
include_once( "commandLine.inc" );
class Site {
var $suffix, $lateral, $url;
function Site( $s, $l, $u ) {
$this->suffix = $s;
$this->lateral = $l;
$this->url = $u;
}
function getURL( $lang ) {
return "http://$lang.{$this->url}/wiki/\$1";
}
}
# Initialise lists of wikis
$sites = array(
'wiki' => new Site( 'wiki', 'w', 'wikipedia.org' ),
'wiktionary' => new Site( 'wiktionary', 'wikt', 'wiktionary.org' )
);
$langlist = array_map( "trim", file( "/home/wikipedia/common/langlist" ) );
$specials = array(
'sourceswiki' => 'sources.wikipedia.org',
'quotewiki' => 'wikiquote.org',
'textbookwiki' => 'wikibooks.org',
'sep11wiki' => 'sep11.wikipedia.org',
'metawiki' => 'meta.wikipedia.org',
);
$extraLinks = array(
array( 'm', 'http://meta.wikipedia.org/wiki/$1', 1 ),
array( 'meta', 'http://meta.wikipedia.org/wiki/$1', 1 ),
array( 'sep11', 'http://sep11.wikipedia.org/wiki/$1', 1 ),
);
$languageAliases = array(
'zh-cn' => 'zh',
'zh-tw' => 'zh',
);
# Extract the intermap from meta
$row = wfGetArray( "metawiki.cur", array( "cur_text" ), array( "cur_namespace" => 0, "cur_title" => "Interwiki_map" ) );
if ( !$row ) {
die( "m:Interwiki_map not found" );
}
$lines = explode( "\n", $row->cur_text );
$iwArray = array();
foreach ( $lines as $line ) {
if ( preg_match( '/^\|\s*(.*?)\s*\|\|\s*(.*?)\s*$/', $line, $matches ) ) {
$prefix = $matches[1];
$url = $matches[2];
if ( preg_match( '/(wikipedia|wiktionary|wikisource|wikiquote|wikibooks)\.org/', $url ) ) {
$local = 1;
} else {
$local = 0;
}
$iwArray[] = array( "iw_prefix" => $prefix, "iw_url" => $url, "iw_local" => $local );
}
}
# Insert links into special wikis
# These have intermap links and interlanguage links pointing to wikipedia
$sql = "-- Generated by rebuildInterwiki.php";
foreach ( $specials as $db => $host ) {
$sql .= "\nUSE $db;\n" .
"TRUNCATE TABLE interwiki;\n" .
"INSERT INTO interwiki (iw_prefix, iw_url, iw_local) VALUES \n";
$first = true;
# Intermap links
foreach ( $iwArray as $iwEntry ) {
# Suppress links to self
if ( strpos( $iwEntry['iw_url'], $host ) === false ) {
$sql .= makeLink( $iwEntry, $first );
}
}
# w link
$sql .= makeLink( array("w", "http://en.wikipedia.org/wiki/$1", 1 ), $first );
# Interlanguage links to wikipedia
$sql .= makeLanguageLinks( $sites['wiki'], $first );
# Extra links
foreach ( $extraLinks as $link ) {
$sql .= makeLink( $link, $first );
}
$sql .= ";\n";
}
$sql .= "\n";
# Insert links into multilanguage sites
foreach ( $sites as $site ) {
$sql .= <<<EOS
---
--- {$site->suffix}
---
EOS;
foreach ( $langlist as $lang ) {
$db = $lang . $site->suffix;
$db = str_replace( "-", "_", $db );
$sql .= "USE $db;\n" .
"TRUNCATE TABLE interwiki;\n" .
"INSERT INTO interwiki (iw_prefix,iw_url,iw_local) VALUES\n";
$first = true;
# Intermap links
foreach ( $iwArray as $iwEntry ) {
# Suppress links to self
if ( strpos( $iwEntry['iw_url'], $site->url ) === false ||
strpos( $iwEntry['iw_url'], 'meta.wikipedia.org' ) !== false ) {
$sql .= makeLink( $iwEntry, $first );
}
}
# Lateral links
foreach ( $sites as $targetSite ) {
# Suppress link to self
if ( $targetSite->suffix != $site->suffix ) {
$sql .= makeLink( array( $targetSite->lateral, $targetSite->getURL( $lang ), 1 ), $first );
}
}
# Interlanguage links
$sql .= makeLanguageLinks( $site, $first );
# w link within wikipedias
# Other sites already have it as a lateral link
if ( $site->suffix == "wiki" ) {
$sql .= makeLink( array("w", "http://en.wikipedia.org/wiki/$1", 1), $first );
}
# Extra links
foreach ( $extraLinks as $link ){
$sql .= makeLink( $link, $first );
}
$sql .= ";\n\n";
}
}
# Output
if ( isset( $options['o'] ) ) {
# To file specified with -o
chdir( $oldCwd );
$file = fopen( $options['o'], "w" );
fwrite( $file, $sql );
fclose( $file );
} else {
# To stdout
print $sql;
}
# ------------------------------------------------------------------------------------------
# Returns part of an INSERT statement, corresponding to all interlanguage links to a particular site
function makeLanguageLinks( &$site, &$first ) {
global $langlist, $languageAliases;
$sql = "";
# Actual languages with their own databases
foreach ( $langlist as $targetLang ) {
$sql .= makeLink( array( $targetLang, $site->getURL( $targetLang ), 1 ), $first );
}
# Language aliases
foreach ( $languageAliases as $alias => $lang ) {
$sql .= makeLink( array( $alias, $site->getURL( $lang ), 1 ), $first );
}
return $sql;
}
# Make SQL for a single link from an array
function makeLink( $entry, &$first ) {
$sql = "";
# Add comma
if ( $first ) {
$first = false;
} else {
$sql .= ",\n";
}
$sql .= "(" . Database::makeList( $entry ) . ")";
return $sql;
}
?>
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