*/
class GenerateSitemap {
+ /**
+ * The maximum amount of urls in a sitemap file
+ *
+ * @link http://www.google.com/schemas/sitemap/0.84/sitemap.xsd
+ *
+ * @var int
+ */
+ var $url_limit;
+
+ /**
+ * The maximum size of a sitemap file
+ *
+ * @link http://www.google.com/webmasters/sitemaps/docs/en/protocol.html#faq_sitemap_size
+ *
+ * @var int
+ */
+ var $size_limit;
+
/**
* The path to prepend to the filename
*
/**
* The number of entries to save in each sitemap file
*
- * @var int
+ * @var array
*/
- var $limit;
+ var $limit = array();
/**
* Key => value entries of namespaces and their priorities
function GenerateSitemap( $fspath, $path, $compress ) {
global $wgDBname, $wgScriptPath;
+ $this->url_limit = 50000;
+ $this->size_limit = pow( 2, 20 ) * 10;
$this->fspath = isset( $fspath ) ? $fspath : '';
$this->path = isset( $path ) ? $path : $wgScriptPath;
$this->compress = $compress;
$this->stderr = fopen( 'php://stderr', 'wt' );
$this->dbr =& wfGetDB( DB_SLAVE );
$this->generateNamespaces();
- $this->generateTimestamp();
+ $this->timestamp = wfTimestamp( TS_ISO_8601, wfTimestampNow() );
$this->findex = fopen( "{$this->fspath}sitemap-index-$wgDBname.xml", 'wb' );
}
* @access public
*/
function main() {
- global $wgDBname;
+ global $wgDBname, $wgContLang;
fwrite( $this->findex, $this->openIndex() );
foreach ( $this->namespaces as $namespace ) {
$res = $this->getPageRes( $namespace );
$this->file = false;
- $i = $smcount = 0;
$this->generateLimit( $namespace );
+ $length = $this->limit[0];
+ $i = $smcount = 0;
- $this->debug( $namespace );
+ $fns = $wgContLang->getFormattedNsText( $namespace );
+ $this->debug( "$namespace ($fns)" );
while ( $row = $this->dbr->fetchObject( $res ) ) {
- if ( $i++ % $this->limit === 0 ) {
+ if ( $i++ === 0 || $i === $this->url_limit + 1 || $length + $this->limit[1] + $this->limit[2] > $this->size_limit ) {
if ( $this->file !== false ) {
$this->write( $this->file, $this->closeFile() );
$this->close( $this->file );
$this->write( $this->file, $this->openFile() );
fwrite( $this->findex, $this->indexEntry( $filename ) );
$this->debug( "\t$filename" );
+ $length = $this->limit[0];
+ $i = 1;
}
$title = Title::makeTitle( $row->page_namespace, $row->page_title );
$date = wfTimestamp( TS_ISO_8601, $row->page_touched );
- $this->write( $this->file, $this->fileEntry( $title->getFullURL(), $date, $this->priority( $namespace ) ) );
+ $entry = $this->fileEntry( $title->getFullURL(), $date, $this->priority( $namespace ) );
+ $length += strlen( $entry );
+ $this->write( $this->file, $entry );
}
if ( $this->file ) {
$this->write( $this->file, $this->closeFile() );
}
/**
- * According to the sitemap specification each sitemap must contain no
- * more than 50,000 urls and no more than 2^20 bytes (10MB), this
- * function calculates how many urls we can have in each file assuming
- * that we have the worst case of 63 four byte characters and 1 three
- * byte character in the title (63*4+1*3 = 255)
+ * Populate $this->limit
*/
function generateLimit( $namespace ) {
- //$title = Title::makeTitle( $namespace, str_repeat( "\xf0\xa8\xae\x81", 63 ) . "\xe5\x96\x83" );
- $count = $this->getAveragePageLength( $namespace );
- $title = Title::makeTitle( $namespace, str_repeat( 'a', $count ) );
-
- $olen = strlen( $this->openFile() );
- $elen = strlen( $this->fileEntry( $title->getFullUrl(), wfTimestamp( TS_ISO_8601, wfTimestamp() ), '1.0' ) );
- $clen = strlen( $this->closeFile() );
-
- for ( $i = 1, $etot = $elen; $olen + $clen + $etot + $elen <= pow( 2, 20 ) * 10; ++$i )
- $etot += $elen;
+ $title = Title::makeTitle( $namespace, str_repeat( "\xf0\xa8\xae\x81", 63 ) . "\xe5\x96\x83" );
- $this->limit = $i;
- }
-
- function getAveragePageLength( $namespace ) {
- $fname = 'GenerateSitemap::getAveragePageLength';
-
- return $this->dbr->selectField( 'page',
- 'CEIL(AVG(LENGTH(page_title)))',
- array( 'page_namespace' => $namespace ),
- $fname
- );
- }
-
- /**
- * Update $this->timestamp to the current time
- */
- function generateTimestamp() {
- $this->timestamp = wfTimestamp( TS_ISO_8601, wfTimestampNow() );
+ $this->limit = array(
+ strlen( $this->openFile() ),
+ strlen( $this->fileEntry( $title->getFullUrl(), wfTimestamp( TS_ISO_8601, wfTimestamp() ), $this->priority( $namespace ) ) ),
+ strlen( $this->closeFile() )
+ );
}
}