source: trunk/htdocs/common/common.php @ 1099

<?php

class Cycle
{
    var $values;
    var $i;
    var $count;

    function Cycle($v)
    {
        $this->values = func_get_args();
        $this->i = -1;
        $this->count = count($this->values);
    }

    function next()
    {
        $this->i = ($this->i + 1) % $this->count;
        return $this->values[$this->i];
    }

    function cur()
    {
        return $this->values[$this->i];
    }

    function reset()
    {
        $this->i = -1;
    }
}

function switcher($name, $options)
{
    $n = isset($_GET[$name]) ? $_GET[$name] : null;
    $html = array();
    foreach ($options as $k => $v) {
        $html[] = sprintf('<a href="?%s=%s"%s>%s</a>', $name, $k, $k == $n ? ' class="active"' : '', $v);
    }
    return implode('', $html);
}

function mainnav()
{
    foreach (array(
                "http://xcache.lighttpd.net/" => "XCache",
                "http://xcache.lighttpd.net/wiki/DocTOC" => _T("Document"),
                "http://xcache.lighttpd.net/wiki/PhpIni" => _T("INI Reference"),
                "http://xcache.lighttpd.net/wiki/GetSupport" => _T("Get Support"),
                "https://groups.google.com/group/xcache/" => _T("Discusson"),
                "http://www.php.net/" => "PHP",
                "http://www.lighttpd.net/" => "Lighttpd",
                ) as $url => $title) {
        $html[] = sprintf('<a href="%s" rel="external">%s</a>', $url, $title);
    }
    return implode('|', $html);
}

function subnav()
{
    global $module, $modules;
    $html = array();
    foreach ($modules as $k => $v) {
        $html[] = sprintf('<a href="../%s/"%s>%s</a>', $k, $k == $module ? ' class="active"' : '', $v);
    }
    return implode('', $html);
}

function th($name, $attrs = null)
{
    $translated = __($name);
    if ($translated == $name) {
        $translated = "$name|$name";
    }
    list($text, $title) = explode('|', $translated, 2);
    return sprintf('%s<th%s id="%s" class="h" title="%s"><a href="javascript:" onclick="resort(this); return false">%s</a></th>%s'
            , "\t"
            , $attrs ? " $attrs" : ""
            , $name, htmlspecialchars(trim($title)), trim($text)
            , "\n");
}

function xcache_validateFileName($name)
{
    return preg_match('!^[a-zA-Z0-9._-]+$!', $name);
}

function get_language_file_ex($dir, $lang)
{
    static $langMap = array(
            'zh'    => 'zh-simplified',
            'zh-hk' => 'zh-traditional',
            'zh-tw' => 'zh-traditional',
            );

    if (isset($langMap[$lang])) {
        $lang = $langMap[$lang];
    }
    else if (!xcache_validateFileName($lang)) {
        return null;
    }

    $file = "$dir/$lang.php";
    if (file_exists($file)) {
        return $file;
    }
    return null;
}

function get_language_file($dir)
{
    global $config;
    if (!empty($config['lang'])) {
        $lang = strtolower($config['lang']);
        $file = get_language_file_ex($dir, $lang);
        if (!isset($file)) {
            $lang = strtok($lang, ':-');
            $file = get_language_file_ex($dir, $lang);
        }
    }
    else {
        $config['lang'] = 'en';

        if (!empty($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
            foreach (explode(',', str_replace(' ', '', $_SERVER['HTTP_ACCEPT_LANGUAGE'])) as $lang) {
                $lang = strtok($lang, ':;');
                $file = get_language_file_ex($dir, $lang);
                if (isset($file)) {
                    $config['lang'] = $lang;
                    break;
                }
                if (strpos($lang, '-') !== false) {
                    $file = get_language_file_ex($dir, strtok($lang, ':-'));
                    if (isset($file)) {
                        $config['lang'] = $lang;
                        break;
                    }
                }
            }
        }
    }
    return isset($file) ? $file : "$dir/en.php";
}

function _T($str)
{
    if (isset($GLOBALS['strings'][$str])) {
        return $GLOBALS['strings'][$str];
    }
    if (!empty($GLOBALS['config']['show_todo_strings'])) {
        return '<span style="color:red">' . $str . '</span>|';
    }
    return $str;
}

function __($str)
{
    return _T($str);
}

function N_($str)
{
    return $str;
}

function number_formats($a, $keys)
{
    foreach ($keys as $k) {
        $a[$k] = number_format($a[$k]);
    }
    return $a;
}

function size($size)
{
    $size = (int) $size;
    if ($size < 1024)
        return number_format($size, 2) . ' b';

    if ($size < 1048576)
        return number_format($size / 1024, 2) . ' K';

    return number_format($size / 1048576, 2) . ' M';
}

function age($time)
{
    if (!$time) return '';
    $delta = REQUEST_TIME - $time;

    if ($delta < 0) {
        $delta = -$delta;
    }
    
    static $seconds = array(1, 60, 3600, 86400, 604800, 2678400, 31536000);
    static $name = array('s', 'm', 'h', 'd', 'w', 'M', 'Y');

    for ($i = 6; $i >= 0; $i --) {
        if ($delta >= $seconds[$i]) {
            $ret = (int) ($delta / $seconds[$i]);
            return $ret . $name[$i];
        }
    }

    return '0s';
}

function stripaddslashes_array($value, $mqs = false)
{
    if (is_array($value)) {
        foreach($value as $k => $v) {
            $value[$k] = stripaddslashes_array($v, $mqs);
        }
    }
    else if(is_string($value)) {
        $value = $mqs ? str_replace('\'\'', '\'', $value) : stripslashes($value);
    }
    return $value;
}

function ob_filter_path_nicer_default($list_html)
{
    $sep = DIRECTORY_SEPARATOR;
    $docRoot = $_SERVER['DOCUMENT_ROOT'];
    if ($sep != '/') {
        $docRoot = str_replace('/', $sep, $docRoot);
    }
    $list_html = str_replace(">$docRoot",  ">{DOCROOT}" . (substr($docRoot, -1) == $sep ? $sep : ""), $list_html);
    $xcachedir = realpath(dirname(__FILE__) . "$sep..$sep");
    $list_html = str_replace(">$xcachedir$sep", ">{XCache}$sep", $list_html);
    if ($sep == '/') {
        $list_html = str_replace(">/home/", ">{H}/", $list_html);
    }
    return $list_html;
}

error_reporting(E_ALL);
ini_set('display_errors', 'On');
define('REQUEST_TIME', time());

if (function_exists('get_magic_quotes_gpc') && @get_magic_quotes_gpc()) {
    $mqs = (bool) ini_get('magic_quotes_sybase');
    $_GET = stripaddslashes_array($_GET, $mqs);
    $_POST = stripaddslashes_array($_POST, $mqs);
    $_REQUEST = stripaddslashes_array($_REQUEST, $mqs);
    unset($mqs);
}
ini_set('magic_quotes_runtime', '0');

$config = array();
if (file_exists("./config.default.php")) {
    include "./config.default.php";
}
include "../config.default.php";
if (file_exists("../config.php")) {
    include "../config.php";
}
if (file_exists("./config.php")) {
    include "./config.php";
}

$strings = array();
include get_language_file("../common/lang");

$modules = array();
if (file_exists("../cacher/index.php")) {
    $modules["cacher"] = _T("Cacher");
}
if (file_exists("../coverager/index.php")) {
    $modules["coverager"] = _T("Coverager");
}
if (file_exists("../diagnosis/index.php")) {
    $modules["diagnosis"] = _T("Diagnosis");
}
header("Cache-Control: no-cache, must-revalidate");
header("Expires: Sat, 26 Jul 1997 05:00:00 GMT");
header("Content-Type: text/html; " . $GLOBALS['config']['charset']);
header("Content-Language: " . $GLOBALS['config']['lang']);

?>