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<?php
require_once('Twig/autoload.php');
use Twig\Loader\LoaderInterface;
use Twig\Source;
use Twig\Extension\AbstractExtension;
use Twig\Environment;
use Twig\TwigFilter;
class Twig_Loader_Dokuwiki implements LoaderInterface
{
private function build_pagename($name) {
return 'hostinfo:templates:' . cleanID($name);
}
public function getSourceContext(string $name): Source
{
$page = $this->build_pagename($name);
$source = rawWiki($page);
if (!$source) {
throw new \Twig\Error\LoaderError(sprintf('Template "%s" does not exist.', $name));
}
return new \Twig\Source($source, $name);
}
public function getCacheKey(string $name): string
{
return $this->build_pagename($name);
}
public function isFresh(string $name, int $time): bool
{
$page = $this->build_pagename($name);
$last_change = p_get_metadata($page, 'last_change date');
return $last_change < $time;
}
public function exists(string $name)
{
$page = $this->build_pagename($name);
return page_exists($page);
}
}
class Hostinfo_Twig_Extension extends AbstractExtension
{
public function getFilters()
{
return array(
new TwigFilter('contact_info', function($value) {
if (is_array($value)) {
return '[[' . current($value) . '|' . key($value) . ']]';
}
return '[[' . $value . '@spline.inf.fu-berlin.de' . '|' . $value . ']]';
}),
new TwigFilter('parse_service', function($value) {
if (is_array($value)) {
return array(
'port' => current($value),
'name' => key($value),
);
}
return array(
'name' => $value,
'port' => $null,
);
}),
new TwigFilter('group_by', function($value, $key) {
$array = array();
foreach ($value as $k => $v) {
if (array_key_exists($key, $v)) {
if (is_array($v[$key])) {
foreach ($v[$key] as $key_part) {
$array[$key_part][$k] = $v;
}
}
else {
$array[$v[$key]][$k] = $v;
}
}
}
return $array;
}),
new TwigFilter('key_not_exists', function($value, $key) {
if (!is_array($value)) {
return array();
}
return array_filter($value,
function($v) use ($key) {
return !array_key_exists($key, $v);
});
}),
new TwigFilter('count', function($value) {
return count($value);
}),
new TwigFilter('length', function($value) {
return strlen($value);
}),
);
}
public function getName()
{
return 'hostinfo';
}
}
class Twig
{
function __construct()
{
$loader = new Twig_Loader_Dokuwiki();
$this->twig = new Environment($loader, array(
'cache' => __DIR__ . '/../templates_c/',
'auto_reload' => true,
));
$this->twig->addExtension(new Hostinfo_Twig_Extension());
}
public function render(string $template, $vars=null)
{
$tmpl = $this->twig->load($template . '.tpl');
return $tmpl->render($vars);
}
}
// vim: set ts=4 sw=4 tw=0 et :
|
