From: Evan Prodromou Date: Tue, 13 Jan 2009 16:44:09 +0000 (-0500) Subject: Extract HTML outputting code to a class HTMLOutputter X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=bbb32dd2f6567bbbfc16db542f631dcc688020fe;p=quix0rs-gnu-social.git Extract HTML outputting code to a class HTMLOutputter Moved the common_* methods for low-level HTML output to its own class, HTMLOutputter in lib/htmloutputter.php. --- diff --git a/lib/htmloutputter.php b/lib/htmloutputter.php new file mode 100644 index 0000000000..b3b2a5ae42 --- /dev/null +++ b/lib/htmloutputter.php @@ -0,0 +1,353 @@ +. + * + * @category Output + * @package Laconica + * @author Evan Prodromou + * @author Sarven Capadisli + * @copyright 2008 Control Yourself, Inc. + * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0 + * @link http://laconi.ca/ + */ + +if (!defined('LACONICA')) { + exit(1); +} + +require_once INSTALLDIR.'/lib/xmloutputter.php'; + +define('PAGE_TYPE_PREFS', + 'text/html,application/xhtml+xml,'. + 'application/xml;q=0.3,text/xml;q=0.2'); + +/** + * Low-level generator for HTML + * + * Abstracts some of the code necessary for HTML generation. Especially + * has methods for generating HTML form elements. Note that these have + * been created kind of haphazardly, not with an eye to making a general + * HTML-creation class. + * + * @category Output + * @package Laconica + * @author Evan Prodromou + * @author Sarven Capadisli + * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0 + * @link http://laconi.ca/ + * @see Action + * @see HTMLOutputter + */ + +class HTMLOutputter extends XMLOutputter +{ + /** + * Constructor + * + * Just wraps the XMLOutputter constructor. + * + * @param string $output URI to output to, default = stdout + * @param boolean $indent Whether to indent output, default true + */ + + function __construct($output='php://output', $indent=true) + { + parent::__construct($output, $indent); + } + + /** + * Start an HTML document + * + * If $type isn't specified, will attempt to do content negotiation. + * + * Attempts to do content negotiation for language, also. + * + * @param string $type MIME type to use; default is to do negotation. + * + * @todo extract content negotiation code to an HTTP module or class. + * + * @return void + */ + + function startHTML($type=null) + { + if (!$type) { + $httpaccept = isset($_SERVER['HTTP_ACCEPT']) ? + $_SERVER['HTTP_ACCEPT'] : null; + + // XXX: allow content negotiation for RDF, RSS, or XRDS + + $cp = common_accept_to_prefs($httpaccept); + $sp = common_accept_to_prefs(PAGE_TYPE_PREFS); + + $type = common_negotiate_type($cp, $sp); + + if (!$type) { + common_user_error(_('This page is not available in a '. + 'media type you accept'), 406); + exit(0); + } + } + + header('Content-Type: '.$type); + + $this->startXML('html', + '-//W3C//DTD XHTML 1.0 Strict//EN', + 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd'); + + // FIXME: correct language for interface + + $language = common_language(); + + $this->elementStart('html', array('xmlns' => 'http://www.w3.org/1999/xhtml', + 'xml:lang' => $language, + 'lang' => $language)); + } + + /** + * Output an HTML text input element + * + * Despite the name, it is specifically for outputting a + * text input element, not other elements. It outputs + * a cluster of elements, including a