PHP SpecialPageFactory::getList方法代码示例

 /**
  * Remove a special page from the list
  * Formerly used to disable expensive or dangerous special pages. The
  * preferred method is now to add a SpecialPage_initList hook.
  * @deprecated since 1.18
  *
  * @param $name String the page to remove
  */
 static function removePage($name)
 {
     wfDeprecated(__METHOD__, '1.18');
     unset(SpecialPageFactory::getList()->{$name});
 }

 protected function appendSpecialPageAliases($property)
 {
     global $wgContLang;
     $data = array();
     $aliases = $wgContLang->getSpecialPageAliases();
     foreach (SpecialPageFactory::getList() as $specialpage => $stuff) {
         if (isset($aliases[$specialpage])) {
             $arr = array('realname' => $specialpage, 'aliases' => $aliases[$specialpage]);
             $this->getResult()->setIndexedTagName($arr['aliases'], 'alias');
             $data[] = $arr;
         }
     }
     $this->getResult()->setIndexedTagName($data, 'specialpage');
     return $this->getResult()->addValue('query', $property, $data);
 }

 /**
  * Prefix search special-case for Special: namespace.
  *
  * @param $search String: term
  * @param $limit Integer: max number of items to return
  * @return Array
  */
 protected static function specialSearch($search, $limit)
 {
     global $wgContLang;
     # normalize searchKey, so aliases with spaces can be found - bug 25675
     $search = str_replace(' ', '_', $search);
     $searchKey = $wgContLang->caseFold($search);
     // Unlike SpecialPage itself, we want the canonical forms of both
     // canonical and alias title forms...
     $keys = array();
     foreach (SpecialPageFactory::getList() as $page => $class) {
         $keys[$wgContLang->caseFold($page)] = $page;
     }
     foreach ($wgContLang->getSpecialPageAliases() as $page => $aliases) {
         if (!array_key_exists($page, SpecialPageFactory::getList())) {
             # bug 20885
             continue;
         }
         foreach ($aliases as $alias) {
             $keys[$wgContLang->caseFold($alias)] = $alias;
         }
     }
     ksort($keys);
     $srchres = array();
     foreach ($keys as $pageKey => $page) {
         if ($searchKey === '' || strpos($pageKey, $searchKey) === 0) {
             wfSuppressWarnings();
             // bug 27671: Don't use SpecialPage::getTitleFor() here because it
             // localizes its input leading to searches for e.g. Special:All
             // returning Spezial:MediaWiki-Systemnachrichten and returning
             // Spezial:Alle_Seiten twice when $wgLanguageCode == 'de'
             $srchres[] = Title::makeTitleSafe(NS_SPECIAL, $page)->getPrefixedText();
             wfRestoreWarnings();
         }
         if (count($srchres) >= $limit) {
             break;
         }
     }
     return $srchres;
 }

//.........这里部分代码省略.........
        $namespace = MWNamespace::getCanonicalIndex(strtolower($namespaceName));
        if ($namespace == null) {
            // if we failed, try looking through localized namespace names
            $namespace = array_search(ucfirst($namespaceName), $wgContLang->getNamespaces());
            if (empty($namespace)) {
                // getting here means our "namespace" is not real and can only be part of the title
                $query = $namespaceName . ':' . $query;
            }
        }
        if ($namespace !== null && $query === '') {
            $out = $wgRequest->getText('format') == 'json' ? json_encode(array('suggestions' => array(), 'redirects' => array())) : '';
            return linkSuggestAjaxResponse($out);
        }
    }
    // which namespaces to search in?
    if (empty($namespace)) {
        // search only within content namespaces (BugId:4625) - default behaviour
        $namespaces = $wgContentNamespaces;
    } else {
        // search only within a given namespace
        $namespaces = array($namespace);
    }
    $query = addslashes($query);
    $db = wfGetDB(DB_SLAVE, 'search');
    $redirects = array();
    $results = array();
    $exactMatchRow = null;
    $queryLower = strtolower($query);
    $res = $db->select(array('querycache', 'page'), array('page_namespace', 'page_title', 'page_is_redirect'), array('qc_title = page_title', 'qc_namespace = page_namespace', 'page_is_redirect = 0', 'qc_type' => 'Mostlinked', "(qc_title LIKE '{$query}%' or LOWER(qc_title) LIKE '{$queryLower}%')", 'qc_namespace' => $namespaces), __METHOD__, array('ORDER BY' => 'qc_value DESC', 'LIMIT' => $wgLinkSuggestLimit));
    linkSuggestFormatResults($db, $res, $query, $redirects, $results, $exactMatchRow);
    if (count($namespaces) > 0) {
        $commaJoinedNamespaces = count($namespaces) > 1 ? array_shift($namespaces) . ', ' . implode(', ', $namespaces) : $namespaces[0];
    }
    $pageNamespaceClause = isset($commaJoinedNamespaces) ? 'page_namespace IN (' . $commaJoinedNamespaces . ') AND ' : '';
    if (count($results) < $wgLinkSuggestLimit) {
        $sql = "SELECT page_len, page_id, page_title, rd_title, page_namespace, page_is_redirect\n\n\t\t\t\tFROM page IGNORE INDEX (`name_title`)\n\n\t\t\t\tLEFT JOIN redirect ON page_is_redirect = 1 AND page_id = rd_from\n\n\t\t\t\tWHERE {$pageNamespaceClause} (page_title LIKE '{$query}%' or LOWER(page_title) LIKE '{$queryLower}%')\n\n\t\t\t\tLIMIT " . $wgLinkSuggestLimit * 3;
        $res = $db->query($sql);
        linkSuggestFormatResults($db, $res, $query, $redirects, $results, $exactMatchRow);
    }
    if ($exactMatchRow !== null) {
        $row = $exactMatchRow;
        $titleFormatted = wfLinkSuggestFormatTitle($row->page_namespace, $row->page_title);
        if ($row->page_is_redirect == 0) {
            // remove any instances of original array's value
            $resultsFlipped = array_flip($results);
            unset($resultsFlipped[$titleFormatted]);
            $results = array_flip($resultsFlipped);
            array_unshift($results, $titleFormatted);
            $flippedRedirs = array_flip($redirects);
            if (isset($flippedRedirs[$titleFormatted])) {
                unset($redirects[$flippedRedirs[$titleFormatted]]);
            }
        } else {
            $redirTitleFormatted = wfLinkSuggestFormatTitle($row->page_namespace, $row->rd_title);
            // remove any instances of original array's value
            $resultsFlipped = array_flip($results);
            unset($resultsFlipped[$redirTitleFormatted]);
            $results = array_flip($resultsFlipped);
            array_unshift($results, $redirTitleFormatted);
            $redirects[$redirTitleFormatted] = $titleFormatted;
        }
    }
    $db->freeResult($res);
    if ($wgRequest->getText('nospecial', 0) != 1) {
        // bugid 29988: include special pages
        // (registered in SpecialPage::$mList, not in the DB like a normal page)
        if ($namespaces == array('-1') && strlen($query) > 0) {
            $specialPagesByAlpha = SpecialPageFactory::getList();
            $specialPagesByAlpha = get_object_vars($specialPagesByAlpha);
            ksort($specialPagesByAlpha, SORT_STRING);
            array_walk($specialPagesByAlpha, function ($val, $key) use(&$results, $query) {
                if (strtolower(substr($key, 0, strlen($query))) === strtolower($query)) {
                    $results[] = wfLinkSuggestFormatTitle('-1', $key);
                }
            });
        }
    }
    $format = $wgRequest->getText('format');
    if ($format == 'json') {
        $result_values = array_values($results);
        if ($isMobile) {
            $out = json_encode(array(array_splice($result_values, 0, 10), array_splice($redirects, -1, 1)));
        } else {
            $out = json_encode(array('query' => $wgRequest->getText('query'), 'suggestions' => $result_values, 'redirects' => $redirects));
        }
        // legacy: LinkSuggest.js uses this
    } else {
        // Overwrite canonical title with redirect title
        for ($i = 0; $i < count($results); $i++) {
            if (isset($redirects[$results[$i]])) {
                $results[$i] = $redirects[$results[$i]];
            }
        }
        $out = implode("\n", $results);
    }
    // 15 minutes times four (one hour, but easier to slice and dice)
    $wgMemc->set($key, $out, 4 * 900);
    wfProfileOut(__METHOD__);
    return linkSuggestAjaxResponse($out);
}

 /**
  * Remove a special page from the list
  * Formerly used to disable expensive or dangerous special pages. The
  * preferred method is now to add a SpecialPage_initList hook.
  * @deprecated since 1.18
  *
  * @param $name String the page to remove
  */
 static function removePage($name)
 {
     unset(SpecialPageFactory::getList()->{$name});
 }

 /**
  * Prefix search special-case for Special: namespace.
  *
  * @param string $search Term
  * @param int $limit Max number of items to return
  * @return array
  */
 protected function specialSearch($search, $limit)
 {
     global $wgContLang;
     $searchParts = explode('/', $search, 2);
     $searchKey = $searchParts[0];
     $subpageSearch = isset($searchParts[1]) ? $searchParts[1] : null;
     // Handle subpage search separately.
     if ($subpageSearch !== null) {
         // Try matching the full search string as a page name
         $specialTitle = Title::makeTitleSafe(NS_SPECIAL, $searchKey);
         if (!$specialTitle) {
             return array();
         }
         $special = SpecialPageFactory::getPage($specialTitle->getText());
         if ($special) {
             $subpages = $special->prefixSearchSubpages($subpageSearch, $limit);
             return array_map(function ($sub) use($specialTitle) {
                 return $specialTitle->getSubpage($sub);
             }, $subpages);
         } else {
             return array();
         }
     }
     # normalize searchKey, so aliases with spaces can be found - bug 25675
     $searchKey = str_replace(' ', '_', $searchKey);
     $searchKey = $wgContLang->caseFold($searchKey);
     // Unlike SpecialPage itself, we want the canonical forms of both
     // canonical and alias title forms...
     $keys = array();
     foreach (SpecialPageFactory::getList() as $page => $class) {
         $keys[$wgContLang->caseFold($page)] = $page;
     }
     foreach ($wgContLang->getSpecialPageAliases() as $page => $aliases) {
         if (!array_key_exists($page, SpecialPageFactory::getList())) {
             # bug 20885
             continue;
         }
         foreach ($aliases as $alias) {
             $keys[$wgContLang->caseFold($alias)] = $alias;
         }
     }
     ksort($keys);
     $srchres = array();
     foreach ($keys as $pageKey => $page) {
         if ($searchKey === '' || strpos($pageKey, $searchKey) === 0) {
             // bug 27671: Don't use SpecialPage::getTitleFor() here because it
             // localizes its input leading to searches for e.g. Special:All
             // returning Spezial:MediaWiki-Systemnachrichten and returning
             // Spezial:Alle_Seiten twice when $wgLanguageCode == 'de'
             $srchres[] = Title::makeTitleSafe(NS_SPECIAL, $page);
         }
         if (count($srchres) >= $limit) {
             break;
         }
     }
     return $srchres;
 }

//.........这里部分代码省略.........
     if (!empty($namespaceFilter) && $namespace != $namespaceFilter) {
         $out = self::getEmptyResponse($request->getText('format'));
         wfProfileOut(__METHOD__);
         return $out;
     }
     $query = addslashes($query);
     $db = wfGetDB(DB_SLAVE, 'search');
     $redirects = array();
     $results = array();
     $exactMatchRow = null;
     $queryLower = strtolower($query);
     $sql1Measurement = T::start([__FUNCTION__, "sql-1"]);
     $res = $db->select(array('querycache', 'page'), array('page_namespace', 'page_title', 'page_is_redirect'), array('qc_title = page_title', 'qc_namespace = page_namespace', 'page_is_redirect = 0', 'qc_type' => 'Mostlinked', "(qc_title LIKE '{$query}%' or LOWER(qc_title) LIKE '{$queryLower}%')", 'qc_namespace' => $namespaces), __METHOD__, array('ORDER BY' => 'qc_value DESC', 'LIMIT' => $wgLinkSuggestLimit));
     self::formatResults($db, $res, $query, $redirects, $results, $exactMatchRow);
     $sql1Measurement->stop();
     if (count($namespaces) > 0) {
         $commaJoinedNamespaces = count($namespaces) > 1 ? array_shift($namespaces) . ', ' . implode(', ', $namespaces) : $namespaces[0];
     }
     $pageNamespaceClause = isset($commaJoinedNamespaces) ? 'page_namespace IN (' . $commaJoinedNamespaces . ') AND ' : '';
     if (count($results) < $wgLinkSuggestLimit) {
         /**
          * @var string $pageTitlePrefilter this condition is able to use name_title index. It's added only for performance reasons.
          * It uses fact that page titles can't start with lowercase letter.
          */
         $pageTitlePrefilter = "";
         if (strlen($queryLower) >= 2) {
             $pageTitlePrefilter = "(\n\t\t\t\t\t\t\t( page_title " . $db->buildLike(strtoupper($queryLower[0]) . strtolower($queryLower[1]), $db->anyString()) . " ) OR\n\t\t\t\t\t\t\t( page_title " . $db->buildLike(strtoupper($queryLower[0]) . strtoupper($queryLower[1]), $db->anyString()) . " ) ) AND ";
         } else {
             if (strlen($queryLower) >= 1) {
                 $pageTitlePrefilter = "( page_title " . $db->buildLike(strtoupper($queryLower[0]), $db->anyString()) . " ) AND ";
             }
         }
         // TODO: use $db->select helper method
         $sql = "SELECT page_len, page_id, page_title, rd_title, page_namespace, rd_namespace, page_is_redirect\n\t\t\t\t\t\tFROM page\n\t\t\t\t\t\tLEFT JOIN redirect ON page_is_redirect = 1 AND page_id = rd_from\n\t\t\t\t\t\tLEFT JOIN querycache ON qc_title = page_title AND qc_type = 'BrokenRedirects'\n\t\t\t\t\t\tWHERE  {$pageTitlePrefilter} {$pageNamespaceClause} (LOWER(page_title) LIKE '{$queryLower}%')\n\t\t\t\t\t\t\tAND qc_type IS NULL\n\t\t\t\t\t\tLIMIT " . $wgLinkSuggestLimit * 3;
         // we fetch 3 times more results to leave out redirects to the same page
         $sql2Measurement = T::start([__FUNCTION__, "sql-2"]);
         $res = $db->query($sql, __METHOD__);
         self::formatResults($db, $res, $query, $redirects, $results, $exactMatchRow);
         $sql2Measurement->stop();
     }
     if ($exactMatchRow !== null) {
         /* @var StdClass $exactMatchRow */
         $row = $exactMatchRow;
         $titleFormatted = self::formatTitle($row->page_namespace, $row->page_title);
         if ($row->page_is_redirect == 0) {
             // remove any instances of original array's value
             $resultsFlipped = array_flip($results);
             unset($resultsFlipped[$titleFormatted]);
             $results = array_flip($resultsFlipped);
             array_unshift($results, $titleFormatted);
             $flippedRedirs = array_flip($redirects);
             if (isset($flippedRedirs[$titleFormatted])) {
                 unset($redirects[$flippedRedirs[$titleFormatted]]);
             }
         } else {
             $redirTitleFormatted = self::formatTitle($row->page_namespace, $row->rd_title);
             // remove any instances of original array's value
             $resultsFlipped = array_flip($results);
             unset($resultsFlipped[$redirTitleFormatted]);
             $results = array_flip($resultsFlipped);
             array_unshift($results, $redirTitleFormatted);
             $redirects[$redirTitleFormatted] = $titleFormatted;
         }
     }
     $db->freeResult($res);
     if ($request->getText('nospecial', 0) != 1) {
         // bugid 29988: include special pages
         // (registered in SpecialPage::$mList, not in the DB like a normal page)
         if ($namespaces == array('-1') && strlen($query) > 0) {
             $specialPagesByAlpha = SpecialPageFactory::getList();
             $specialPagesByAlpha = get_object_vars($specialPagesByAlpha);
             ksort($specialPagesByAlpha, SORT_STRING);
             array_walk($specialPagesByAlpha, function ($val, $key) use(&$results, $query) {
                 if (strtolower(substr($key, 0, strlen($query))) === strtolower($query)) {
                     $results[] = self::formatTitle('-1', $key);
                 }
             });
         }
     }
     // Overwrite canonical title with redirect title for all formats
     self::replaceResultIfRedirected($results, $redirects);
     $format = $request->getText('format');
     if ($format == 'json') {
         $result_values = array_values($results);
         if ($isMobile) {
             $out = json_encode(array(array_splice($result_values, 0, 10), array_splice($redirects, -1, 1)));
         } else {
             $out = json_encode(array('query' => $request->getText('query'), 'suggestions' => $result_values, 'redirects' => $redirects));
         }
     } elseif ($format == 'array') {
         $out = $results;
     } else {
         // legacy: LinkSuggest.js uses plain text
         $out = implode("\n", $results);
     }
     // 15 minutes times four (one hour, but easier to slice and dice)
     $wgMemc->set($key, $out, 4 * 900);
     wfProfileOut(__METHOD__);
     return $out;
 }