<?php
/**
 * GitPHP
 *
 * Index
 *
 * @author Christopher Han <xiphux@gmail.com>
 * @copyright Copyright (c) 2010 Christopher Han
 * @package GitPHP
 */
 
/**
 * Use utf-8 encoding
 */
if (function_exists('mb_internal_encoding')) {
        mb_internal_encoding("UTF-8");
}
 
/**
 * Define start time / memory for benchmarking
 */
define('GITPHP_START_TIME', microtime(true));
define('GITPHP_START_MEM', memory_get_usage());
 
/**
 * Define some paths
 */
define('GITPHP_BASEDIR', dirname(__FILE__) . '/');
define('GITPHP_CONFIGDIR', GITPHP_BASEDIR . 'config/');
define('GITPHP_INCLUDEDIR', GITPHP_BASEDIR . 'include/');
define('GITPHP_LOCALEDIR', GITPHP_BASEDIR . 'locale/');
define('GITPHP_CACHEDIR', GITPHP_BASEDIR . 'cache/');
define('GITPHP_LIBDIR', GITPHP_BASEDIR . 'lib/');
define('GITPHP_SMARTYDIR', GITPHP_LIBDIR . 'smarty/libs/');
define('GITPHP_GESHIDIR', GITPHP_LIBDIR . 'geshi/');
 
include(GITPHP_INCLUDEDIR . 'version.php');
 
require(GITPHP_INCLUDEDIR . 'AutoLoader.class.php');
 
spl_autoload_register(array('GitPHP_AutoLoader', 'AutoLoad'));
 
date_default_timezone_set('UTC');
 
 
/*
 * Set the locale based on the user's preference
 */
if ((!isset($_COOKIE[GitPHP_Resource::LocaleCookie])) || empty($_COOKIE[GitPHP_Resource::LocaleCookie])) {
 
        /*
         * User's first time here, try by HTTP_ACCEPT_LANGUAGE
         */
        if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
                $httpAcceptLang = explode(',', $_SERVER['HTTP_ACCEPT_LANGUAGE']);
                $preferredLocale = GitPHP_Resource::FindPreferredLocale($_SERVER['HTTP_ACCEPT_LANGUAGE']);
                if (!empty($preferredLocale)) {
                        setcookie(GitPHP_Resource::LocaleCookie, $preferredLocale, time()+GitPHP_Resource::LocaleCookieLifetime);
                        GitPHP_Resource::Instantiate($preferredLocale);
                }
        }
 
        if (!GitPHP_Resource::Instantiated()) {
                /*
                 * Create a dummy cookie to prevent browser delay
                 */
                setcookie(GitPHP_Resource::LocaleCookie, 0, time()+GitPHP_Resource::LocaleCookieLifetime);
        }
 
} else if (isset($_GET['l']) && !empty($_GET['l'])) {
 
        /*
         * User picked something
         */
        setcookie(GitPHP_Resource::LocaleCookie, $_GET['l'], time()+GitPHP_Resource::LocaleCookieLifetime);
        GitPHP_Resource::Instantiate($_GET['l']);
 
} else if (isset($_COOKIE[GitPHP_Resource::LocaleCookie]) && !empty($_COOKIE[GitPHP_Resource::LocaleCookie])) {
 
        /*
         * Returning visitor with a preference
         */
        GitPHP_Resource::Instantiate($_COOKIE[GitPHP_Resource::LocaleCookie]);
 
}
 
 
try {
 
        /*
         * Configuration
         */
        GitPHP_Config::GetInstance()->LoadConfig(GITPHP_CONFIGDIR . 'gitphp.conf.php');
 
        /*
         * Use the default language in the config if user has no preference
         * with en_US as the fallback
         */
        if (!GitPHP_Resource::Instantiated()) {
                GitPHP_Resource::Instantiate(GitPHP_Config::GetInstance()->GetValue('locale', 'en_US'));
        }
 
        /*
         * Debug
         */
        if (GitPHP_DebugLog::GetInstance()->GetEnabled()) {
                GitPHP_DebugLog::GetInstance()->SetStartTime(GITPHP_START_TIME);
                GitPHP_DebugLog::GetInstance()->SetStartMemory(GITPHP_START_MEM);
        }
 
        /*
         * Check for required executables
         */
        if (!GitPHP_GitExe::GetInstance()->Valid()) {
                throw new GitPHP_MessageException(sprintf(__('Could not run the git executable "%1$s".  You may need to set the "%2$s" config value.'), GitPHP_GitExe::GetInstance()->GetBinary(), 'gitbin'), true, 500);
        }
 
        $controller = GitPHP_Controller::GetController((isset($_GET['a']) ? $_GET['a'] : null));
        if ($controller) {
                $controller->RenderHeaders();
                $controller->Render();
        }
        unset($controller);
 
} catch (Exception $e) {
 
        if (GitPHP_Config::GetInstance()->GetValue('debug', false)) {
                throw $e;
        }
 
        if (!GitPHP_Resource::Instantiated()) {
                /*
                 * In case an error was thrown before instantiating
                 * the resource manager
                 */
                GitPHP_Resource::Instantiate('en_US');
        }
 
        $controller = new GitPHP_Controller_Message();
        $controller->SetParam('message', $e->getMessage());
        if ($e instanceof GitPHP_MessageException) {
                $controller->SetParam('error', $e->Error);
                $controller->SetParam('statuscode', $e->StatusCode);
        } else {
                $controller->SetParam('error', true);
        }
        $controller->RenderHeaders();
        $controller->Render();
 
        unset($controller);
 
}
 
GitPHP_Resource::DestroyInstance();
GitPHP_Config::DestroyInstance();
GitPHP_GitExe::DestroyInstance();
 
if (GitPHP_DebugLog::GetInstance()->GetEnabled()) {
        $entries = GitPHP_DebugLog::GetInstance()->GetEntries();
        foreach ($entries as $logline) {
                echo "<br />\n" . htmlspecialchars($logline, ENT_QUOTES, 'UTF-8', true);
        }
        unset($logline);
        unset($entries);
}
 
GitPHP_DebugLog::DestroyInstance();
 
?>