function webvideo_render_object($args)
{
$obj = $args['obj'];
if (!isset($obj['type']) || $obj['type'] != 'webvideo') {
return false;
}
$e = elem('div');
elem_attr($e, 'id', $obj['name']);
elem_add_class($e, 'webvideo');
elem_add_class($e, 'resizable');
elem_add_class($e, 'object');
// hooks
invoke_hook_first('alter_render_early', 'webvideo', array('obj' => $obj, 'elem' => &$e, 'edit' => $args['edit']));
$html = elem_finalize($e);
invoke_hook_last('alter_render_late', 'webvideo', array('obj' => $obj, 'html' => &$html, 'elem' => $e, 'edit' => $args['edit']));
return $html;
}
/**
* turn the page into a html string
*
* @param bool &$cache is output cachable (will only modified if $cache is
* true before)
* @return string html
*/
function html_finalize(&$cache = false)
{
global $html;
// return html5
$ret = '<!DOCTYPE html>' . nl();
$ret .= '<html';
if (@is_array($html['header']['style'])) {
$ret .= ' style="';
ksort($html['header']['style']);
foreach ($html['header']['style'] as $key => $val) {
$ret .= htmlspecialchars($key, ENT_COMPAT, 'UTF-8') . ': ' . htmlspecialchars($val, ENT_COMPAT, 'UTF-8') . '; ';
}
// strip the last space
$ret = substr($ret, 0, -1);
$ret .= '"';
}
$ret .= '>' . nl();
$ret .= '<head>' . nl();
$ret .= '<title>' . htmlspecialchars($html['header']['title'], ENT_NOQUOTES, 'UTF-8') . '</title>' . nl();
$ret .= '<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">' . nl();
if (@is_array($html['header']['alternate'])) {
foreach ($html['header']['alternate'] as $e) {
$ret .= '<link rel="alternate" type="' . htmlspecialchars($e['type'], ENT_COMPAT, 'UTF-8') . '" href="' . htmlspecialchars($e['url'], ENT_COMPAT, 'UTF-8') . '" title="' . htmlspecialchars($e['title'], ENT_COMPAT, 'UTF-8') . '">' . nl();
}
}
if (!empty($html['header']['favicon'])) {
$ret .= '<link rel="shortcut icon" href="' . htmlspecialchars($html['header']['favicon'], ENT_COMPAT, 'UTF-8') . '">' . nl();
}
if (@is_array($html['header']['css'])) {
_array_sort_by_prio($html['header']['css']);
// removed the removal of duplicates here as two different media might point to the same url
//array_unique_element($html['header']['css'], 'url');
foreach ($html['header']['css'] as $e) {
$ret .= '<link rel="stylesheet" type="text/css" href="' . htmlspecialchars($e['url'], ENT_COMPAT, 'UTF-8') . '"';
if (!empty($e['media'])) {
$ret .= ' media="' . htmlspecialchars($e['media'], ENT_COMPAT, 'UTF-8') . '"';
}
$ret .= '>' . nl();
}
}
if (@is_array($html['header']['css_inline'])) {
_array_sort_by_prio($html['header']['css_inline']);
if (0 < count($html['header']['css_inline'])) {
$ret .= '<style type="text/css">' . nl();
}
foreach ($html['header']['css_inline'] as $c) {
$rule = $c['rule'];
// if the rule ends with a newline character, remove it
if (substr($rule, -1) == "\n") {
$rule = substr($rule, 0, -1);
}
// move rule in by one tab
$rule = str_replace("\n", "\n\t", $rule);
$ret .= tab() . $rule . nl();
}
if (0 < count($html['header']['css_inline'])) {
$ret .= '</style>' . nl();
}
}
if (@is_array($html['header']['js'])) {
_array_sort_by_prio($html['header']['js']);
array_unique_element($html['header']['js'], 'url');
foreach ($html['header']['js'] as $e) {
$ret .= '<script type="text/javascript" src="' . htmlspecialchars($e['url'], ENT_COMPAT, 'UTF-8') . '"></script>' . nl();
}
}
if (@is_array($html['header']['js_var'])) {
$ret .= array_to_js($html['header']['js_var']);
}
if (@is_array($html['header']['js_inline'])) {
_array_sort_by_prio($html['header']['js_inline']);
foreach ($html['header']['js_inline'] as $c) {
if (!empty($c['reason'])) {
$ret .= '<!-- ' . $c['reason'] . ' -->' . nl();
$ret .= '<script type="text/javascript">' . nl();
// if the code ends with a newline character, remove it
if (substr($c['code'], -1) == "\n") {
$c['code'] = substr($c['code'], 0, -1);
}
// move code in by one tab
$c = str_replace("\n", "\n\t", $c);
$ret .= tab() . $c['code'] . nl();
$ret .= '</script>' . nl();
}
}
}
$ret .= '</head>' . nl();
$ret .= elem_finalize($html['body']);
$ret .= '</html>';
// pass caching information up if requested
if ($cache) {
if (!$html['cache']) {
$cache = false;
}
}
return $ret;
}
/**
* turn a page into an html string
*
* the function also appends the resulting string to the output in
* html.inc.php.
* @param array $args arguments
* key 'page' is the page (i.e. page.rev)
* key 'edit' are we editing or not
* @return array response
* html
*/
function render_page($args)
{
// maybe move this to common.inc.php in the future and get rid of some of
// these checks in the beginning
if (empty($args['page'])) {
return response('Required argument "page" missing or empty', 400);
}
if (!page_exists($args['page'])) {
return response('Page ' . quot($args['page']) . ' does not exist', 404);
}
if (!isset($args['edit'])) {
return response('Required argument "edit" missing', 400);
}
if ($args['edit']) {
$args['edit'] = true;
} else {
$args['edit'] = false;
}
log_msg('debug', 'render_page: rendering ' . quot($args['page']));
$bdy =& body();
elem_add_class($bdy, 'page');
elem_attr($bdy, 'id', $args['page']);
invoke_hook('render_page_early', array('page' => $args['page'], 'edit' => $args['edit']));
// for every file in the page directory
$files = @scandir(CONTENT_DIR . '/' . str_replace('.', '/', $args['page']));
foreach ($files as $f) {
$fn = CONTENT_DIR . '/' . str_replace('.', '/', $args['page']) . '/' . $f;
if ($f == '.' || $f == '..') {
continue;
} elseif (is_link($fn) && !is_file($fn) && !is_dir($fn)) {
// delete dangling symlink
if (@unlink($fn)) {
log_msg('info', 'render_page: deleted dangling symlink ' . quot($args['page'] . '.' . $f));
} else {
log_msg('error', 'render_page: error deleting dangling symlink ' . quot($args['page'] . '.' . $f));
}
continue;
}
// render object
render_object(array('name' => $args['page'] . '.' . $f, 'edit' => $args['edit']));
}
invoke_hook('render_page_late', array('page' => $args['page'], 'edit' => $args['edit']));
log_msg('debug', 'render_page: finished ' . quot($args['page']));
// return the body element as html-string as well
return response(elem_finalize($bdy));
}
/**
* implements render_object
*/
function image_render_object($args)
{
$obj = $args['obj'];
if (!isset($obj['type']) || $obj['type'] != 'image') {
return false;
}
// the outer element must be a div or something else that can contain
// other elements
// we only set up the most basic element here - all the other work is
// done inside the alter_render_early hook
// this way also object that "derive" from this (which don't have their
// $obj['type'] set to image) can use this code
$e = elem('div');
elem_attr($e, 'id', $obj['name']);
elem_add_class($e, 'image');
elem_add_class($e, 'resizable');
elem_add_class($e, 'object');
// hook
// elem is passed as reference here
// it is suggested that we first call our own function before any others
// that might want to modify the element that is being set up
invoke_hook_first('alter_render_early', 'image', array('obj' => $obj, 'elem' => &$e, 'edit' => $args['edit']));
$html = elem_finalize($e);
// html is passed as reference here
// it is suggested that we call our own function after all others
invoke_hook_last('alter_render_late', 'image', array('obj' => $obj, 'html' => &$html, 'elem' => $e, 'edit' => $args['edit']));
return $html;
}
function download_render_object($args)
{
$obj = $args['obj'];
if (!isset($obj['type']) || $obj['type'] != 'download') {
return false;
}
$e = elem('div');
elem_attr($e, 'id', $obj['name']);
elem_add_class($e, 'download');
elem_add_class($e, 'object');
// hooks
invoke_hook_first('alter_render_early', 'download', array('obj' => $obj, 'elem' => &$e, 'edit' => $args['edit']));
$html = elem_finalize($e);
invoke_hook_last('alter_render_late', 'download', array('obj' => $obj, 'html' => &$html, 'elem' => $e, 'edit' => $args['edit']));
if (!$args['edit']) {
// put link to file around the element
if (SHORT_URLS) {
$link = base_url() . urlencode($obj['name']) . '&download=1';
} else {
$link = base_url() . '?' . urlencode($obj['name']) . '&download=1';
}
$html = '<a href="' . htmlspecialchars($link, ENT_COMPAT, 'UTF-8') . '">' . "\n\t" . str_replace("\n", "\n\t", $html) . "\n" . '</a>' . "\n";
}
return $html;
}
