protected function _render()
{
$template = file_get_contents($this->_template);
$tagPattern = "/%([a-z0-9]+)\\:([a-z0-9.]*)\\{*([a-zA-Z0-9:,\\\"']*)\\}*%/";
$tagPattern = "/%([a-z0-9]+)\\:([a-z0-9_.]*)\\{*([a-zA-Z0-9:_,\\\"']*)\\}*%/";
$tags = array();
preg_match_all($tagPattern, $template, $tags, PREG_SET_ORDER);
// PHASE 1: analyse et parsing of content-generating tags
foreach ($tags as $tag) {
$content = false;
switch ($tag[1]) {
case 'helper':
$tmp = explode('.', $tag[2]);
$class = sprintf('%s\\View\\Web\\%s', $tmp[0], ucfirst($tmp[1]));
try {
$helper = new $class();
$content = $helper->render();
} catch (Exception $e) {
if (Core::$env == Core::ENV_DEV) {
$content = $e->getMessage();
}
}
break;
case 'container':
$elems = View::getObjects($tag[2]);
if (is_array($elems)) {
foreach ($elems as $elem) {
$object = $elem[0];
$params = $elem[1];
if (!is_object($object)) {
continue;
}
// look for a custom decorator
$decorator = View\Decorator::factory($object, $params);
$content .= $decorator->render();
}
}
break;
}
if ($content !== false) {
$template = str_replace($tag[0], $content, $template);
}
}
preg_match_all($tagPattern, $template, $tags, PREG_SET_ORDER);
// PHASE 2: analyze & parsing of other tags (components linking & env variables)
foreach ($tags as $tag) {
$content = null;
switch ($tag[1]) {
case 'components':
$content = $this->_renderComponents($tag[2], $tag[3]);
break;
case 'env':
case 'var':
$content = View::getEnvData($tag[2]);
break;
case 'obj':
// obj:
$tmp = explode('.', $tag[2]);
$obj = View::getEnvData($tmp[0]);
if ($obj instanceof MediaObject && isset($tmp[1])) {
// meta properties handling
switch ($tmp[1]) {
case '_base64':
$content = sprintf('data:%s;base64,%s', $obj->getMime(), base64_encode($obj->loadBlob('media')));
break;
case '_icon':
$content = 'file-' . $obj->getExtension();
break;
case '_size':
$content = MediaElement::getDisplaySize($obj->getSize());
break;
case '_url':
$content = MediaElement::getDownloadUrl($obj->getUri());
break;
default:
break;
}
}
if (!$content) {
if ($obj instanceof BaseObject) {
$content = isset($tmp[1]) && $tmp[1] == ObjectUri::IDENTIFIER ? $obj->getIdentifier() : $obj->getProperty($tmp[1]);
$content = $content instanceof AbstractProperty ? $content->getDisplayValue() : $content;
} else {
$content = Core::$env == Core::ENV_DEV ? sprintf("Can't substitute any value to '%s'", $tag[0]) : null;
}
}
break;
}
$template = str_replace($tag[0], $content, $template);
}
// PHASE 3: actions attachment
$this->actionAttach();
// PHASE 4: events attachment
$template = str_replace('</body>', $this->eventAttach() . '</body>', $template);
// PHASE 5: display logged errors in dev mode
if (Core::$env == Core::ENV_DEV) {
$errors = View::getErrors();
if (count($errors) > 0) {
$str = "\n";
foreach ($errors as $errorCode => $errorbloc) {
$str .= $errorCode . "\n";
foreach ($errorbloc as $error) {
$str .= "\t" . $error[0] . "\n";
}
}
$template = str_replace('</body>', '</body><!--' . $str . ' -->', $template);
}
}
return $template;
}
