* * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * http://www.gnu.org/copyleft/gpl.html */ if (!defined('MEDIAWIKI')) { // Eclipse helper - will be ignored in production require_once ('ApiBase.php'); } /** * @addtogroup API */ abstract class ApiFormatBase extends ApiBase { private $mIsHtml, $mFormat; /** * Constructor */ public function __construct($main, $format) { parent :: __construct($main, $format); $this->mIsHtml = (substr($format, -2, 2) === 'fm'); // ends with 'fm' if ($this->mIsHtml) $this->mFormat = substr($format, 0, -2); // remove ending 'fm' else $this->mFormat = $format; $this->mFormat = strtoupper($this->mFormat); } /** * Overriding class returns the mime type that should be sent to the client. * This method is not called if getIsHtml() returns true. * @return string */ public abstract function getMimeType(); public function getNeedsRawData() { return false; } /** * Returns true when an HTML filtering printer should be used. * The default implementation assumes that formats ending with 'fm' * should be formatted in HTML. */ public function getIsHtml() { return $this->mIsHtml; } /** * Initialize the printer function and prepares the output headers, etc. * This method must be the first outputing method during execution. * A help screen's header is printed for the HTML-based output */ function initPrinter($isError) { $isHtml = $this->getIsHtml(); $mime = $isHtml ? 'text/html' : $this->getMimeType(); // Some printers (ex. Feed) do their own header settings, // in which case $mime will be set to null if (is_null($mime)) return; // skip any initialization header("Content-Type: $mime; charset=utf-8"); if ($isHtml) { ?>
getIsHtml()) { ?>getIsHtml()) echo $this->formatHTML($text); else echo $text; } /** * Prety-print various elements in HTML format, such as xml tags and URLs. * This method also replaces any '<' with < */ protected function formatHTML($text) { // encode all tags as safe blue strings $text = ereg_replace('\<([^>]+)\>', '<\1>', $text); // identify URLs $protos = "http|https|ftp|gopher"; $text = ereg_replace("($protos)://[^ '\"()<\n]+", '\\0', $text); // identify requests to api.php $text = ereg_replace("api\\.php\\?[^ ()<\n\t]+", '\\0', $text); // make strings inside * bold $text = ereg_replace("\\*[^<>\n]+\\*", '\\0', $text); // make strings inside $ italic $text = ereg_replace("\\$[^<>\n]+\\$", '\\0', $text); return $text; } /** * Returns usage examples for this format. */ protected function getExamples() { return 'api.php?action=query&meta=siteinfo&siprop=namespaces&format=' . $this->getModuleName(); } protected function getDescription() { return $this->getIsHtml() ? ' (pretty-print in HTML)' : ''; } public static function getBaseVersion() { return __CLASS__ . ': $Id: ApiFormatBase.php 21402 2007-04-20 08:55:14Z nickj $'; } } /** * This printer is used to wrap an instance of the Feed class * @addtogroup API */ class ApiFormatFeedWrapper extends ApiFormatBase { public function __construct($main) { parent :: __construct($main, 'feed'); } /** * Call this method to initialize output data */ public static function setResult($result, $feed, $feedItems) { // Store output in the Result data. // This way we can check during execution if any error has occured $data = & $result->getData(); $data['_feed'] = $feed; $data['_feeditems'] = $feedItems; } /** * Feed does its own headers */ public function getMimeType() { return null; } /** * Optimization - no need to sanitize data that will not be needed */ public function getNeedsRawData() { return true; } public function execute() { $data = $this->getResultData(); if (isset ($data['_feed']) && isset ($data['_feeditems'])) { $feed = $data['_feed']; $items = $data['_feeditems']; $feed->outHeader(); foreach ($items as & $item) $feed->outItem($item); $feed->outFooter(); } else { // Error has occured, print something usefull // TODO: make this error more informative using ApiBase :: dieDebug() or similar wfHttpError(500, 'Internal Server Error', ''); } } public function getVersion() { return __CLASS__ . ': $Id: ApiFormatBase.php 21402 2007-04-20 08:55:14Z nickj $'; } } ?>