* @todo document
* @ingroup Parser
*/
-class ParserOutput
+
+class CacheTime {
+ var $mVersion = Parser::VERSION, # Compatibility check
+ $mCacheTime = '', # Time when this object was generated, or -1 for uncacheable. Used in ParserCache.
+ $mCacheExpiry = null, # Seconds after which the object should expire, use 0 for uncachable. Used in ParserCache.
+ $mContainsOldMagic; # Boolean variable indicating if the input contained variables like {{CURRENTDAY}}
+
+ function getCacheTime() { return $this->mCacheTime; }
+
+ function containsOldMagic() { return $this->mContainsOldMagic; }
+ function setContainsOldMagic( $com ) { return wfSetVar( $this->mContainsOldMagic, $com ); }
+
+ /**
+ * setCacheTime() sets the timestamp expressing when the page has been rendered.
+ * This doesn not control expiry, see updateCacheExpiry() for that!
+ */
+ function setCacheTime( $t ) { return wfSetVar( $this->mCacheTime, $t ); }
+
+
+ /**
+ * Sets the number of seconds after which this object should expire.
+ * This value is used with the ParserCache.
+ * If called with a value greater than the value provided at any previous call,
+ * the new call has no effect. The value returned by getCacheExpiry is smaller
+ * or equal to the smallest number that was provided as an argument to
+ * updateCacheExpiry().
+ */
+ function updateCacheExpiry( $seconds ) {
+ $seconds = (int)$seconds;
+
+ if ( $this->mCacheExpiry === null || $this->mCacheExpiry > $seconds )
+ $this->mCacheExpiry = $seconds;
+
+ // hack: set old-style marker for uncacheable entries.
+ if ( $this->mCacheExpiry !== null && $this->mCacheExpiry <= 0 )
+ $this->mCacheTime = -1;
+ }
+
+ /**
+ * Returns the number of seconds after which this object should expire.
+ * This method is used by ParserCache to determine how long the ParserOutput can be cached.
+ * The timestamp of expiry can be calculated by adding getCacheExpiry() to getCacheTime().
+ * The value returned by getCacheExpiry is smaller or equal to the smallest number
+ * that was provided to a call of updateCacheExpiry(), and smaller or equal to the
+ * value of $wgParserCacheExpireTime.
+ */
+ function getCacheExpiry() {
+ global $wgParserCacheExpireTime;
+
+ if ( $this->mCacheTime < 0 ) return 0; // old-style marker for "not cachable"
+
+ $expire = $this->mCacheExpiry;
+
+ if ( $expire === null )
+ $expire = $wgParserCacheExpireTime;
+ else
+ $expire = min( $expire, $wgParserCacheExpireTime );
+
+ if( $this->containsOldMagic() ) { //compatibility hack
+ $expire = min( $expire, 3600 ); # 1 hour
+ }
+
+ if ( $expire <= 0 ) return 0; // not cachable
+ else return $expire;
+ }
+
+
+ function isCacheable() {
+ return $this->getCacheExpiry() > 0;
+ }
+
+ /**
+ * Return true if this cached output object predates the global or
+ * per-article cache invalidation timestamps, or if it comes from
+ * an incompatible older version.
+ *
+ * @param $touched String: the affected article's last touched timestamp
+ * @return Boolean
+ */
+ public function expired( $touched ) {
+ global $wgCacheEpoch;
+ return !$this->isCacheable() || // parser says it's uncacheable
+ $this->getCacheTime() < $touched ||
+ $this->getCacheTime() <= $wgCacheEpoch ||
+ $this->getCacheTime() < wfTimestamp( TS_MW, time() - $this->getCacheExpiry() ) || // expiry period has passed
+ !isset( $this->mVersion ) ||
+ version_compare( $this->mVersion, Parser::VERSION, "lt" );
+ }
+}
+
+class ParserOutput extends CacheTime
{
var $mText, # The output text
$mLanguageLinks, # List of the full text of language links, in the order they appear
$mCategories, # Map of category names to sort keys
- $mContainsOldMagic, # Boolean variable indicating if the input contained variables like {{CURRENTDAY}}
$mTitleText, # title text of the chosen language variant
- $mCacheTime = '', # Time when this object was generated, or -1 for uncacheable. Used in ParserCache.
- $mCacheExpiry = null, # Seconds after which the object should expire, use 0 for uncachable. Used in ParserCache.
- $mVersion = Parser::VERSION, # Compatibility check
$mLinks = array(), # 2-D map of NS/DBK to ID for the links in the document. ID=zero for broken.
$mTemplates = array(), # 2-D map of NS/DBK to ID for the template references. ID=zero for broken.
$mTemplateIds = array(), # 2-D map of NS/DBK to rev ID for the template references. ID=zero for broken.
function getInterwikiLinks() { return $this->mInterwikiLinks; }
function getCategoryLinks() { return array_keys( $this->mCategories ); }
function &getCategories() { return $this->mCategories; }
- function getCacheTime() { return $this->mCacheTime; }
function getTitleText() { return $this->mTitleText; }
function getSections() { return $this->mSections; }
function &getLinks() { return $this->mLinks; }
function getIndexPolicy() { return $this->mIndexPolicy; }
function getTOCHTML() { return $this->mTOCHTML; }
- function containsOldMagic() { return $this->mContainsOldMagic; }
function setText( $text ) { return wfSetVar( $this->mText, $text ); }
function setLanguageLinks( $ll ) { return wfSetVar( $this->mLanguageLinks, $ll ); }
function setCategoryLinks( $cl ) { return wfSetVar( $this->mCategories, $cl ); }
- function setContainsOldMagic( $com ) { return wfSetVar( $this->mContainsOldMagic, $com ); }
- /** setCacheTime() sets the timestamp expressing when the page has been rendered.
- * This doesn not control expiry, see updateCacheExpiry() for that!
- */
- function setCacheTime( $t ) { return wfSetVar( $this->mCacheTime, $t ); }
function setTitleText( $t ) { return wfSetVar( $this->mTitleText, $t ); }
function setSections( $toc ) { return wfSetVar( $this->mSections, $toc ); }
function setIndexPolicy( $policy ) { return wfSetVar( $this->mIndexPolicy, $policy ); }
function setTOCHTML( $tochtml ) { return wfSetVar( $this->mTOCHTML, $tochtml ); }
-
- /** Sets the number of seconds after which this object should expire.
- * This value is used with the ParserCache.
- * If called with a value greater than the value provided at any previous call,
- * the new call has no effect. The value returned by getCacheExpiry is smaller
- * or equal to the smallest number that was provided as an argument to
- * updateCacheExpiry().
- */
- function updateCacheExpiry( $seconds ) {
- $seconds = (int)$seconds;
-
- if ( $this->mCacheExpiry === null || $this->mCacheExpiry > $seconds )
- $this->mCacheExpiry = $seconds;
-
- // hack: set old-style marker for uncacheable entries.
- if ( $this->mCacheExpiry !== null && $this->mCacheExpiry <= 0 )
- $this->mCacheTime = -1;
- }
-
- /** Returns the number of seconds after which this object should expire.
- * This method is used by ParserCache to determine how long the ParserOutput can be cached.
- * The timestamp of expiry can be calculated by adding getCacheExpiry() to getCacheTime().
- * The value returned by getCacheExpiry is smaller or equal to the smallest number
- * that was provided to a call of updateCacheExpiry(), and smaller or equal to the
- * value of $wgParserCacheExpireTime.
- */
- function getCacheExpiry() {
- global $wgParserCacheExpireTime;
-
- if ( $this->mCacheTime < 0 ) return 0; // old-style marker for "not cachable"
-
- $expire = $this->mCacheExpiry;
-
- if ( $expire === null )
- $expire = $wgParserCacheExpireTime;
- else
- $expire = min( $expire, $wgParserCacheExpireTime );
-
- if( $this->containsOldMagic() ) { //compatibility hack
- $expire = min( $expire, 3600 ); # 1 hour
- }
-
- if ( $expire <= 0 ) return 0; // not cachable
- else return $expire;
- }
-
- function isCacheable() {
- return $this->getCacheExpiry() > 0;
- }
-
function addCategory( $c, $sort ) { $this->mCategories[$c] = $sort; }
function addLanguageLink( $t ) { $this->mLanguageLinks[] = $t; }
function addWarning( $s ) { $this->mWarnings[$s] = 1; }
$this->mInterwikiLinks[$prefix][$title->getDBkey()] = 1;
}
- /**
- * Return true if this cached output object predates the global or
- * per-article cache invalidation timestamps, or if it comes from
- * an incompatible older version.
- *
- * @param $touched String: the affected article's last touched timestamp
- * @return Boolean
- */
- public function expired( $touched ) {
- global $wgCacheEpoch;
- return !$this->isCacheable() || // parser says it's uncacheable
- $this->getCacheTime() < $touched ||
- $this->getCacheTime() <= $wgCacheEpoch ||
- $this->getCacheTime() < wfTimestamp( TS_MW, time() - $this->getCacheExpiry() ) || // expiry period has passed
- !isset( $this->mVersion ) ||
- version_compare( $this->mVersion, Parser::VERSION, "lt" );
- }
-
/**
* Add some text to the <head>.
* If $tag is set, the section with that tag will only be included once