<?php
// File name:	validate.inc.php
// Description:	PHP subroutines to display the HTML validator buttons
// Date:	2004-06-17
// Author:	imacat <imacat@pristine.com.tw>
// Copyright:	Copyright (C) 2004-2007 Pristine Communications

// Set the include path
if (!defined("INCPATH_SET")) {
    require_once dirname(__FILE__) . "/incpath.inc.php";
}
// Referenced subroutines
require_once "monica/addget.inc.php";
require_once "monica/cgiemu.inc.php";
require_once "monica/gettext.inc.php";
require_once "monica/htmlchar.inc.php";
require_once "monica/https.inc.php";
require_once "monica/ipv4addr.inc.php";
require_once "monica/pagefunc.inc.php";
require_once "monica/requri.inc.php";

// html_validator: Print the HTML validator buttons
function html_validator($args = null)
{
    // Obtain page parameters
    $args = page_param($args);
    // This is only for the preview and development website
    if (    !(!is_null($args["preview"])
            || (defined("IS_PROD") && !IS_PROD))) {
        return;
    }
    
    // Non-static or preview pages - use the validator in the client network
    if (!$args["static"] || !is_null($args["preview"])) {
        // The client is in the Pristine Network
        if (        ipv4_in_network("172.16.168.0/24", $_SERVER["REMOTE_ADDR"])
                    || ipv4_in_network("211.78.169.160/29", $_SERVER["REMOTE_ADDR"])) {
            $html_validator = "html-validator.pristine.com.tw";
        // The client is in imacat's Network
        } elseif (  ipv4_in_network("10.0.0.0/24", $_SERVER["REMOTE_ADDR"])
                    || ipv4_in_network("211.20.30.96/29", $_SERVER["REMOTE_ADDR"])) {
            $html_validator = "html-validator.imacat.idv.tw";
        // Elsewhere
        } else {
            $html_validator = "validator.w3.org";
        }
    // Static pages on the development site - use the validator in the server network
    } elseif (defined("IS_PROD") && !IS_PROD) {
        // The server is in the Pristine Network
        if (        ipv4_in_network("172.16.168.0/24", $_SERVER["SERVER_ADDR"])
                    || ipv4_in_network("211.78.169.160/29", $_SERVER["SERVER_ADDR"])) {
            $html_validator = "html-validator.pristine.com.tw";
        // The server is in imacat's Network
        } elseif (  ipv4_in_network("10.0.0.0/24", $_SERVER["SERVER_ADDR"])
                    || ipv4_in_network("211.20.30.96/29", $_SERVER["SERVER_ADDR"])) {
            $html_validator = "html-validator.imacat.idv.tw";
        // Elsewhere
        } else {
            $html_validator = "validator.w3.org";
        }
    }
    
    // Set the picture host to our same host
    $pic_host = REQUEST_SCHEME . "://" . REQUEST_HOST;
    if (is_https()) {
        if ($_SERVER["SERVER_PORT"] != 443) {
            $pic_host .= ":" . $_SERVER["SERVER_PORT"];
        }
    } else {
        if ($_SERVER["SERVER_PORT"] != 80) {
            $pic_host .= ":" . $_SERVER["SERVER_PORT"];
        }
    }
    
    // The HTML version
    $htmlver = "XHTML 1.1";
    if (defined("HTML_VERSION")) {
        $htmlver = HTML_VERSION;
    }
    switch ($htmlver) {
    // Default to XHTML 1.1
    case "XHTML 1.1":
    default:
        $htmlbut = "http://$html_validator/images/vxhtml10";
        $htmlver = "XHTML 1.1";
        break;
    case "XHTML 1.1":
        $htmlbut = "http://$html_validator/images/vxhtml11";
        break;
    case "HTML 4.01":
        $htmlbut = "http://$html_validator/images/vh401";
        break;
    case "HTML 4.0":
        $htmlbut = "http://$html_validator/images/vh40";
        break;
    case "HTML 3.2":
        $htmlbut = "http://$html_validator/images/vh32";
        break;
    case "HTML 3.0":
        $htmlbut = "http://$html_validator/images/vh30";
        break;
    case "HTML 2.0":
        $htmlbut = "http://$html_validator/images/vh20";
        break;
    }
    
    if ($args["static"] && is_null($args["preview"])) {
        $hvurl = "http://$html_validator/check/referer";
    } else {
        $url = REQUEST_FULLURI;
        if (isset($_SESSION)) {
            $url = add_get_arg($url, session_name(), session_id());
        }
        $hvurl = "http://$html_validator/check?uri=" . urlencode($url);
    }
    $areatitle = C_("HTML Validatior Logo Area");
    $vhtmltitle = C_("HTML validation result of this page");
    $vhtmlalt = sprintf(C_("Valid %s!"), $htmlver);
    $vcsstitle = C_("CSS validation result of this page");
    $vcssalt = C_("Valid CSS!");
    $wcag1title = C_("Explanation of Level Triple-A Conformance");
    $wcag1alt = C_("Level Triple-A conformance icon, W3C-WAI Web Content Accessibility Guidelines 1.0");
    
?><address class="validator" title="<?php echo h($areatitle); ?>">
<a href="<?php echo h($hvurl); ?>"
    title="<?php echo h($vhtmltitle); ?>"<?php
    if ($args["lang"] != "en") {
        ?> hreflang="en"<?php
    } ?>><img
    src="<?php echo h($htmlbut); ?>"
    alt="<?php echo h($vhtmlalt); ?>" /></a>|<a
    href="http://jigsaw.w3.org/css-validator/check/referer"
    title="<?php echo h($vcsstitle); ?>"<?php
    if ($args["lang"] != "en") {
        ?> hreflang="en"<?php
    } ?>><img
    src="<?php echo h($pic_host); ?>/images/w3c/vcss"
    alt="<?php echo h($vcssalt); ?>" /></a>|<a
    href="http://www.w3.org/WAI/WCAG1AAA-Conformance"
    title="<?php echo h($wcag1title); ?>"<?php
    if ($args["lang"] != "en") {
        ?> hreflang="en"<?php
    } ?>><img
    src="<?php echo h($pic_host); ?>/images/w3c/wcag1AAA"
    alt="<?php echo h($wcag1alt); ?>" /></a>
</address>

<?php
    return;
}

?>