<?php

/*

 * Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between

 * Copyright (C) 2006-2009 Dan Fuhry

 *

 * This program is Free Software; you can redistribute 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 details.

 */

class Namespace_Special extends Namespace_Default

{

	public function __construct($page_id, $namespace, $revision_id = 0)

	{

		global $db, $session, $paths, $template, $plugins; // Common objects

		$this->page_id = sanitize_page_id($page_id);

		$this->namespace = $namespace;

		$this->build_cdata();

		$this->revision_id = intval($revision_id);

		$this->page_protected = true;

		$this->wiki_mode = 0;

	}

	public function build_cdata()

	{

		global $db, $session, $paths, $template, $plugins; // Common objects

		global $lang;

		if ( strstr($this->page_id, '/') )

			list($base_page_id) = explode('/', $this->page_id);

		else

			$base_page_id = $this->page_id;

		$this->exists = function_exists("page_{$this->namespace}_{$base_page_id}");

		if ( isset($paths->pages[ $paths->get_pathskey($this->page_id, $this->namespace) ]) )

		{

			$page_name = $paths->pages[ $paths->get_pathskey($this->page_id, $this->namespace) ]['name'];

		}

		else

		{

			$page_name = "{$paths->nslist[ $this->namespace ]}{$this->page_id}";

			if ( ($_ = $lang->get('specialpage_' . strtolower($this->page_id))) !== 'specialpage_' . strtolower($this->page_id) )

			{

				$page_name = $_;

			}

		}

		$this->cdata = array(

				'name' => $lang->get($page_name),

				'urlname' => $this->page_id,

				'namespace' => $this->namespace,

				'special' => 0,

				'visible' => 0,

				'comments_on' => 0,

				'protected' => 0,

				'delvotes' => 0,

				'delvote_ips' => '',

				'wiki_mode' => 2,

				'page_exists' => $this->exists,

				'page_format' => getConfig('default_page_format', 'wikitext'),

				'require_admin' => $this->namespace === 'Admin'

			);

		$code = $plugins->setHook('ns_special_cdata');

		foreach ( $code as $cmd )

		{

			eval($cmd);

		}

		$this->cdata = Namespace_Default::bake_cdata($this->cdata);

		$this->title =& $this->cdata['name'];

	}

	function send()

	{

		global $output;

		if ( $this->exists )

		{

			call_user_func("page_{$this->namespace}_{$this->page_id}");

		}

		else

		{

			$output->header();

			$this->error_404();

			$output->footer();

		}

	}

	// We add the unused variable $userpage here to silence "declaration should be compatible" errors

	function error_404()

	{

		global $lang, $output;

		$func_name = "page_{$this->namespace}_{$this->page_id}";

		if ( $this->namespace == 'Admin' )

			die_semicritical($lang->get('page_msg_admin_404_title'), $lang->get('page_msg_admin_404_body', array('func_name' => $func_name)), true);

		$title = $lang->get('page_err_custompage_function_missing_title');

		$message = $lang->get('page_err_custompage_function_missing_body', array( 'function_name' => $func_name ));

		$output->set_title($title);

		$output->header();

		echo "<p>$message</p>";

		$output->footer();

	}

	function set_conds()

	{

		parent::set_conds();

		$this->conds['printable'] = false;

		$this->conds['adminpage'] = false;

	}

}