* @ingroup Parser
*/
// @codingStandardsIgnoreStart Squiz.Classes.ValidClassName.NotCamelCaps
-class Preprocessor_DOM implements Preprocessor {
+class Preprocessor_DOM extends Preprocessor {
// @codingStandardsIgnoreEnd
/**
public $memoryLimit;
- const CACHE_VERSION = 1;
+ const CACHE_PREFIX = 'preprocess-xml';
public function __construct( $parser ) {
$this->parser = $parser;
* @return PPNode_DOM
*/
public function preprocessToObj( $text, $flags = 0 ) {
- global $wgMemc, $wgPreprocessorCacheThreshold;
-
- $xml = false;
- $cacheable = ( $wgPreprocessorCacheThreshold !== false
- && strlen( $text ) > $wgPreprocessorCacheThreshold );
- if ( $cacheable ) {
- $cacheKey = wfMemcKey( 'preprocess-xml', md5( $text ), $flags );
- $cacheValue = $wgMemc->get( $cacheKey );
- if ( $cacheValue ) {
- $version = substr( $cacheValue, 0, 8 );
- if ( intval( $version ) == self::CACHE_VERSION ) {
- $xml = substr( $cacheValue, 8 );
- // From the cache
- wfDebugLog( "Preprocessor", "Loaded preprocessor XML from memcached (key $cacheKey)" );
- }
- }
- if ( $xml === false ) {
- $xml = $this->preprocessToXml( $text, $flags );
- $cacheValue = sprintf( "%08d", self::CACHE_VERSION ) . $xml;
- $wgMemc->set( $cacheKey, $cacheValue, 86400 );
- wfDebugLog( "Preprocessor", "Saved preprocessor XML to memcached (key $cacheKey)" );
- }
- } else {
+
+ $xml = $this->cacheGetTree( $text, $flags );
+ if ( $xml === false ) {
$xml = $this->preprocessToXml( $text, $flags );
+ $this->cacheSetTree( $text, $flags, $xml );
}
// Fail if the number of elements exceeds acceptable limits
$this->parser->mGeneratedPPNodeCount += substr_count( $xml, '<' );
$max = $this->parser->mOptions->getMaxGeneratedPPNodeCount();
if ( $this->parser->mGeneratedPPNodeCount > $max ) {
- if ( $cacheable ) {
- }
+ // if ( $cacheable ) { ... }
throw new MWException( __METHOD__ . ': generated node count limit exceeded' );
}
$obj = new PPNode_DOM( $dom->documentElement );
}
- if ( $cacheable ) {
- }
+ // if ( $cacheable ) { ... }
if ( !$result ) {
throw new MWException( __METHOD__ . ' generated invalid XML' );