includes/SiteConfiguration.php

   1 <?php
   2 /**
   3  * This is a class used to hold configuration settings, particularly for multi-wiki sites.
   4  *
   5  */
   6
   7 /**
   8  * The include paths change after this file is included from commandLine.inc,
   9  * meaning that require_once() fails to detect that it is including the same
  10  * file again. We use DIY C-style protection as a workaround.
  11  */
  12 if (!defined('SITE_CONFIGURATION')) {
  13 define('SITE_CONFIGURATION', 1);
  14
  15 class SiteConfiguration {
  16         var $suffixes = array();
  17         var $wikis = array();
  18         var $settings = array();
  19         var $localVHosts = array();
  20
  21         /** */
  22         function get( $setting, $wiki, $suffix, $params = array() ) {
  23                 if ( array_key_exists( $setting, $this->settings ) ) {
  24                         if ( array_key_exists( $wiki, $this->settings[$setting] ) ) {
  25                                 $retval = $this->settings[$setting][$wiki];
  26                         } elseif ( array_key_exists( $suffix, $this->settings[$setting] ) ) {
  27                                 $retval = $this->settings[$setting][$suffix];
  28                         } elseif ( array_key_exists( 'default', $this->settings[$setting] ) ) {
  29                                 $retval = $this->settings[$setting]['default'];
  30                         } else {
  31                                 $retval = NULL;
  32                         }
  33                 } else {
  34                         $retval = NULL;
  35                 }
  36
  37                 if ( !is_null( $retval ) && count( $params ) ) {
  38                         foreach ( $params as $key => $value ) {
  39                                 $retval = str_replace( '$' . $key, $value, $retval );
  40                         }
  41                 }
  42                 return $retval;
  43         }
  44
  45         /** */
  46         function getAll( $wiki, $suffix, $params ) {
  47                 $localSettings = array();
  48                 foreach ( $this->settings as $varname => $stuff ) {
  49                         $value = $this->get( $varname, $wiki, $suffix, $params );
  50                         if ( !is_null( $value ) ) {
  51                                 $localSettings[$varname] = $value;
  52                         }
  53                 }
  54                 return $localSettings;
  55         }
  56
  57         /** */
  58         function getBool( $setting, $wiki, $suffix ) {
  59                 return (bool)($this->get( $setting, $wiki, $suffix ));
  60         }
  61
  62         /** */
  63         function &getLocalDatabases() {
  64                 return $this->wikis;
  65         }
  66
  67         /** */
  68         function initialise() {
  69         }
  70
  71         /** */
  72         function extractVar( $setting, $wiki, $suffix, &$var, $params ) {
  73                 $value = $this->get( $setting, $wiki, $suffix, $params );
  74                 if ( !is_null( $value ) ) {
  75                         $var = $value;
  76                 }
  77         }
  78
  79         /** */
  80         function extractGlobal( $setting, $wiki, $suffix, $params ) {
  81                 $value = $this->get( $setting, $wiki, $suffix, $params );
  82                 if ( !is_null( $value ) ) {
  83                         $GLOBALS[$setting] = $value;
  84                 }
  85         }
  86
  87         /** */
  88         function extractAllGlobals( $wiki, $suffix, $params ) {
  89                 foreach ( $this->settings as $varName => $setting ) {
  90                         $this->extractGlobal( $varName, $wiki, $suffix, $params );
  91                 }
  92         }
  93
  94         /**
  95          * Work out the site and language name from a database name
  96          * @param $db
  97          */
  98         function siteFromDB( $db ) {
  99                 $site = NULL;
 100                 $lang = NULL;
 101                 foreach ( $this->suffixes as $suffix ) {
 102                         if ( substr( $db, -strlen( $suffix ) ) == $suffix ) {
 103                                 $site = $suffix == 'wiki' ? 'wikipedia' : $suffix;
 104                                 $lang = substr( $db, 0, strlen( $db ) - strlen( $suffix ) );
 105                                 break;
 106                         }
 107                 }
 108                 $lang = str_replace( '_', '-', $lang );
 109                 return array( $site, $lang );
 110         }
 111
 112         /** */
 113         function isLocalVHost( $vhost ) {
 114                 return in_array( $vhost, $this->localVHosts );
 115         }
 116 }
 117 }
 118
 119 ?>