// Hide this pattern from Doxygen, which spazzes out at it
/// @cond
-if( !defined( 'SITE_CONFIGURATION' ) ){
-define( 'SITE_CONFIGURATION', 1 );
+if (!defined('SITE_CONFIGURATION')) {
+define('SITE_CONFIGURATION', 1);
/// @endcond
/**
* This is a class used to hold configuration settings, particularly for multi-wiki sites.
+ *
*/
class SiteConfiguration {
-
- /**
- * Array of suffixes, for self::siteFromDB()
- */
- public $suffixes = array();
-
- /**
- * Array of wikis, should be the same as $wgLocalDatabases
- */
- public $wikis = array();
-
- /**
- * The whole array of settings
- */
- public $settings = array();
-
- /**
- * Array of domains that are local and can be handled by the same server
- */
- public $localVHosts = array();
-
- /**
- * A callback function that returns an array with the following keys (all
- * optional):
- * - suffix: site's suffix
- * - lang: site's lang
- * - tags: array of wiki tags
- * - params: array of parameters to be replaced
- * The function will receive the SiteConfiguration instance in the first
- * argument and the wiki in the second one.
- * if suffix and lang are passed they will be used for the return value of
- * self::siteFromDB() and self::$suffixes will be ignored
- */
- public $siteParamsCallback = null;
+ var $suffixes = array();
+ var $wikis = array();
+ var $settings = array();
+ var $localVHosts = array();
/**
* Retrieves a configuration setting for a given wiki.
* @param $wikiTags Array The tags assigned to the wiki.
* @return Mixed the value of the setting requested.
*/
- public function get( $settingName, $wiki, $suffix = null, $params = array(), $wikiTags = array() ) {
- $params = $this->mergeParams( $wiki, $suffix, $params, $wikiTags );
- return $this->getSetting( $settingName, $wiki, $params );
- }
-
- /**
- * Really retrieves a configuration setting for a given wiki.
- *
- * @param $settingName String ID of the setting name to retrieve.
- * @param $wiki String Wiki ID of the wiki in question.
- * @param $params Array: array of parameters.
- * @return Mixed the value of the setting requested.
- */
- protected function getSetting( $settingName, $wiki, /*array*/ $params ){
- $retval = null;
- if( array_key_exists( $settingName, $this->settings ) ) {
+ function get( $settingName, $wiki, $suffix, $params = array(), $wikiTags = array() ) {
+ if ( array_key_exists( $settingName, $this->settings ) ) {
$thisSetting =& $this->settings[$settingName];
do {
// Do individual wiki settings
- if( array_key_exists( $wiki, $thisSetting ) ) {
+ if ( array_key_exists( $wiki, $thisSetting ) ) {
$retval = $thisSetting[$wiki];
break;
- } elseif( array_key_exists( "+$wiki", $thisSetting ) && is_array( $thisSetting["+$wiki"] ) ) {
+ } elseif ( array_key_exists( "+$wiki", $thisSetting ) && is_array($thisSetting["+$wiki"]) ) {
$retval = $thisSetting["+$wiki"];
}
// Do tag settings
- foreach( $params['tags'] as $tag ) {
- if( array_key_exists( $tag, $thisSetting ) ) {
- if ( isset( $retval ) && is_array( $retval ) && is_array( $thisSetting[$tag] ) ) {
- $retval = self::arrayMerge( $retval, $thisSetting[$tag] );
+ foreach ( $wikiTags as $tag ) {
+ if ( array_key_exists( $tag, $thisSetting ) ) {
+ if ( isset($retval) && is_array($retval) && is_array($thisSetting[$tag]) ) {
+ $retval = array_merge( $retval, $thisSetting[$tag] );
} else {
$retval = $thisSetting[$tag];
}
break 2;
- } elseif( array_key_exists( "+$tag", $thisSetting ) && is_array($thisSetting["+$tag"]) ) {
- if( !isset( $retval ) )
+ } elseif ( array_key_exists( "+$tag", $thisSetting ) && is_array($thisSetting["+$tag"]) ) {
+ if (!isset($retval))
$retval = array();
- $retval = self::arrayMerge( $retval, $thisSetting["+$tag"] );
+ $retval = array_merge( $retval, $thisSetting["+$tag"] );
}
}
+
// Do suffix settings
- $suffix = $params['suffix'];
- if( !is_null( $suffix ) ) {
- if( array_key_exists( $suffix, $thisSetting ) ) {
- if ( isset($retval) && is_array($retval) && is_array($thisSetting[$suffix]) ) {
- $retval = self::arrayMerge( $retval, $thisSetting[$suffix] );
- } else {
- $retval = $thisSetting[$suffix];
- }
- break;
- } elseif( array_key_exists( "+$suffix", $thisSetting ) && is_array($thisSetting["+$suffix"]) ) {
- if (!isset($retval))
- $retval = array();
- $retval = self::arrayMerge( $retval, $thisSetting["+$suffix"] );
+ if ( array_key_exists( $suffix, $thisSetting ) ) {
+ if ( isset($retval) && is_array($retval) && is_array($thisSetting[$suffix]) ) {
+ $retval = array_merge( $retval, $thisSetting[$suffix] );
+ } else {
+ $retval = $thisSetting[$suffix];
}
+ break;
+ } elseif ( array_key_exists( "+$suffix", $thisSetting ) && is_array($thisSetting["+$suffix"]) ) {
+ if (!isset($retval))
+ $retval = array();
+ $retval = array_merge( $retval, $thisSetting["+$suffix"] );
}
// Fall back to default.
- if( array_key_exists( 'default', $thisSetting ) ) {
- if( is_array( $retval ) && is_array( $thisSetting['default'] ) ) {
- $retval = self::arrayMerge( $retval, $thisSetting['default'] );
+ if ( array_key_exists( 'default', $thisSetting ) ) {
+ if ( isset($retval) && is_array($retval) && is_array($thisSetting['default']) ) {
+ $retval = array_merge( $retval, $thisSetting['default'] );
} else {
$retval = $thisSetting['default'];
}
break;
}
+ $retval = null;
} while ( false );
+ } else {
+ $retval = NULL;
}
- if( !is_null( $retval ) && count( $params['params'] ) ) {
- foreach ( $params['params'] as $key => $value ) {
+ if ( !is_null( $retval ) && count( $params ) ) {
+ foreach ( $params as $key => $value ) {
$retval = $this->doReplace( '$' . $key, $value, $retval );
}
}
return $retval;
}
- /**
- * Type-safe string replace; won't do replacements on non-strings
- * private?
- */
+ /** Type-safe string replace; won't do replacements on non-strings */
function doReplace( $from, $to, $in ) {
if( is_string( $in ) ) {
return str_replace( $from, $to, $in );
* @param $wikiTags Array The tags assigned to the wiki.
* @return Array Array of settings requested.
*/
- public function getAll( $wiki, $suffix = null, $params = array(), $wikiTags = array() ) {
- $params = $this->mergeParams( $wiki, $suffix, $params, $wikiTags );
+ function getAll( $wiki, $suffix, $params, $wikiTags = array() ) {
$localSettings = array();
- foreach( $this->settings as $varname => $stuff ) {
+ foreach ( $this->settings as $varname => $stuff ) {
$append = false;
$var = $varname;
if ( substr( $varname, 0, 1 ) == '+' ) {
$append = true;
$var = substr( $varname, 1 );
}
-
- $value = $this->getSetting( $varname, $wiki, $params );
- if ( $append && is_array( $value ) && is_array( $GLOBALS[$var] ) )
- $value = self::arrayMerge( $value, $GLOBALS[$var] );
+
+ $value = $this->get( $varname, $wiki, $suffix, $params, $wikiTags );
+ if ( $append && is_array($value) && is_array( $GLOBALS[$var] ) )
+ $value = array_merge( $value, $GLOBALS[$var] );
if ( !is_null( $value ) ) {
$localSettings[$var] = $value;
}
* @param $wikiTags Array The tags assigned to the wiki.
* @return bool The value of the setting requested.
*/
- public function getBool( $setting, $wiki, $suffix = null, $wikiTags = array() ) {
+ function getBool( $setting, $wiki, $suffix, $wikiTags = array() ) {
return (bool)($this->get( $setting, $wiki, $suffix, array(), $wikiTags ) );
}
* @param $params Array List of parameters. $.'key' is replaced by $value in all returned data.
* @param $wikiTags Array The tags assigned to the wiki.
*/
- public function extractVar( $setting, $wiki, $suffix, &$var, $params = array(), $wikiTags = array() ) {
+ function extractVar( $setting, $wiki, $suffix, &$var, $params, $wikiTags = array() ) {
$value = $this->get( $setting, $wiki, $suffix, $params, $wikiTags );
if ( !is_null( $value ) ) {
$var = $value;
* @param $params Array List of parameters. $.'key' is replaced by $value in all returned data.
* @param $wikiTags Array The tags assigned to the wiki.
*/
- public function extractGlobal( $setting, $wiki, $suffix = null, $params = array(), $wikiTags = array() ) {
- $params = $this->mergeParams( $wiki, $suffix, $params, $wikiTags );
- $this->extractGlobalSetting( $setting, $wiki, $params );
- }
-
- public function extractGlobalSetting( $setting, $wiki, $params ) {
- $value = $this->getSetting( $setting, $wiki, $params );
+ function extractGlobal( $setting, $wiki, $suffix, $params, $wikiTags = array() ) {
+ $value = $this->get( $setting, $wiki, $suffix, $params, $wikiTags );
if ( !is_null( $value ) ) {
if (substr($setting,0,1) == '+' && is_array($value)) {
$setting = substr($setting,1);
if ( is_array($GLOBALS[$setting]) ) {
- $GLOBALS[$setting] = self::arrayMerge( $GLOBALS[$setting], $value );
+ $GLOBALS[$setting] = array_merge( $GLOBALS[$setting], $value );
} else {
$GLOBALS[$setting] = $value;
}
* @param $params Array List of parameters. $.'key' is replaced by $value in all returned data.
* @param $wikiTags Array The tags assigned to the wiki.
*/
- public function extractAllGlobals( $wiki, $suffix = null, $params = array(), $wikiTags = array() ) {
- $params = $this->mergeParams( $wiki, $suffix, $params, $wikiTags );
+ function extractAllGlobals( $wiki, $suffix, $params, $wikiTags = array() ) {
foreach ( $this->settings as $varName => $setting ) {
- $this->extractGlobalSetting( $varName, $wiki, $params );
- }
- }
-
- /**
- * Return specific settings for $wiki
- * See the documentation of self::$siteParamsCallback for more in-depth
- * documentation about this function
- *
- * @param $wiki String
- * @return array
- */
- protected function getWikiParams( $wiki ){
- static $default = array(
- 'suffix' => null,
- 'lang' => null,
- 'tags' => array(),
- 'params' => array(),
- );
-
- if( !is_callable( $this->siteParamsCallback ) )
- return $default;
-
- $ret = call_user_func_array( $this->siteParamsCallback, array( $this, $wiki ) );
- # Validate the returned value
- if( !is_array( $ret ) )
- return $default;
-
- foreach( $default as $name => $def ){
- if( !isset( $ret[$name] ) || ( is_array( $default[$name] ) && !is_array( $ret[$name] ) ) )
- $ret[$name] = $default[$name];
+ $this->extractGlobal( $varName, $wiki, $suffix, $params, $wikiTags );
}
-
- return $ret;
- }
-
- /**
- * Merge params beetween the ones passed to the function and the ones given
- * by self::$siteParamsCallback for backward compatibility
- * Values returned by self::getWikiParams() have the priority.
- *
- * @param $wiki String Wiki ID of the wiki in question.
- * @param $suffix String The suffix of the wiki in question.
- * @param $params Array List of parameters. $.'key' is replaced by $value in
- * all returned data.
- * @param $wikiTags Array The tags assigned to the wiki.
- * @return array
- */
- protected function mergeParams( $wiki, $suffix, /*array*/ $params, /*array*/ $wikiTags ){
- $ret = $this->getWikiParams( $wiki );
-
- if( is_null( $ret['suffix'] ) )
- $ret['suffix'] = $suffix;
-
- $ret['tags'] = array_unique( array_merge( $ret['tags'], $wikiTags ) );
-
- // Automatically fill that ones if needed
- if( !isset( $ret['params']['lang'] ) && !is_null( $ret['lang'] ) )
- $ret['params']['lang'] = $ret['lang'];
- if( !isset( $ret['params']['site'] ) && !is_null( $ret['suffix'] ) )
- $ret['params']['site'] = $ret['suffix'];
-
- $ret['params'] += $params;
- return $ret;
}
/**
* Work out the site and language name from a database name
* @param $db
*/
- public function siteFromDB( $db ) {
- // Allow override
- $def = $this->getWikiParams( $db );
- if( !is_null( $def['suffix'] ) && !is_null( $def['lang'] ) )
- return array( $def['suffix'], $def['lang'] );
-
- $site = null;
- $lang = null;
+ function siteFromDB( $db ) {
+ $site = NULL;
+ $lang = NULL;
+
+ // Only run hooks if they *can* be run.
+ if (function_exists( 'wfRunHooks' ) && !wfRunHooks( 'SiteFromDB', array( $db, &$site, &$lang ) ) )
+ return array( $site, $lang );
foreach ( $this->suffixes as $suffix ) {
if ( $suffix === '' ) {
$site = '';
return array( $site, $lang );
}
- /**
- * Returns true if the given vhost is handled locally.
- * @param $vhost String
- * @return bool
- */
- public function isLocalVHost( $vhost ) {
+ /** Returns true if the given vhost is handled locally. */
+ function isLocalVHost( $vhost ) {
return in_array( $vhost, $this->localVHosts );
}
-
- /**
- * Merge multiple arrays together.
- * On encountering duplicate keys, merge the two, but ONLY if they're arrays.
- * PHP's array_merge_recursive() merges ANY duplicate values into arrays,
- * which is not fun
- */
- static function arrayMerge( $array1/* ... */ ) {
- $out = $array1;
- for( $i=1; $i < func_num_args(); $i++ ) {
- foreach( func_get_arg( $i ) as $key => $value ) {
- if ( isset($out[$key]) && is_array($out[$key]) && is_array($value) ) {
- $out[$key] = self::arrayMerge( $out[$key], $value );
- } elseif ( !isset($out[$key]) || !$out[$key] && !is_numeric($key) ) {
- // Values that evaluate to true given precedence, for the primary purpose of merging permissions arrays.
- $out[$key] = $value;
- } elseif ( is_numeric( $key ) ) {
- $out[] = $value;
- }
- }
- }
-
- return $out;
- }
}
}