public function evaluate(TemplateManager $manager, array $context, array $current = NULL)
{
// check filters
foreach ($this->m_filters as $filter) {
if (!$manager->filter($filter)) {
throw new \Exception("Undefined filter `{$filter}` in template `{$this->m_name}`");
}
}
// search the inheritance hierarchy
$t = $this;
while ($t->m_parent) {
$t = $t->m_parent;
$t = $manager->template($t);
if (isset($context[$t->m_name])) {
// copy definitions to corresponding child
if (!isset($context[$this->m_name])) {
$context[$this->m_name] = [];
}
foreach ($context[$t->m_name] as $parentKey => $parentVal) {
if (!isset($context[$this->m_name][$parentKey])) {
$context[$this->m_name][$parentKey] = $parentVal;
}
}
}
}
if ($this->anonymous()) {
$rootName = $this->m_root->name();
if ($current != NULL && isset($current[$rootName])) {
$current = $current[$rootName];
// check for int key to determine if this is a list
// (this is a hack)
reset($current);
if (count($current) && !is_int(key($current))) {
$current = [$current];
}
foreach ($current as $key => $row) {
$row['__iteration'] = $key;
$this->m_root->evaluate($manager, $context, $row);
}
} else {
// how to define optional sources?
//die(sprintf('No mapping for source "%s".', $this->m_name));
//echo $this->m_name."<br>\n";
}
} else {
if ($context != NULL && isset($context[$this->m_name])) {
$current = $context[$this->m_name];
} else {
//$current = NULL;
}
$this->m_root->evaluate($manager, $context, $current);
}
}
public function before()
{
parent::before();
$this->m_manager = TemplateManager::create(BRAMBLE_TEMPLATES);
$this->m_manager->register('subvert', function ($options, $context, $text) {
$subvert_options = [];
$subvert_options['image_callback'] = function (&$attributes) {
// add dimensions to url
$width = isset($attributes['width']) ? $attributes['width'] : '0';
$height = isset($attributes['height']) ? $attributes['height'] : '0';
if (ctype_digit($width) && ctype_digit($height) && ($width != 0 || $height != 0)) {
$parts = pathinfo($attributes['src']);
$attributes['src'] = sprintf('%s/%s-%sx%s.%s', $parts['dirname'], $parts['filename'], $width, $height, $parts['extension']);
}
};
if ($options) {
if (isset($options['code'])) {
$subvert_options['code_formatting'] = true;
}
if (isset($options['root'])) {
$subvert_options['root_url'] = BRAMBLE_URL;
}
if (isset($options['header'])) {
$subvert_options['header_level'] = (int) $options['header'];
} else {
// does it make sense to have this here?
$subvert_options['header_level'] = 3;
}
}
return Subvert::Parse($text, $subvert_options);
});
$this->m_manager->register('format-date', function ($options, $context, $date) {
if (is_string($date)) {
$date = strtotime($date);
}
if ($options) {
if (isset($options['atom'])) {
$date = date(\DateTime::ATOM, $date);
} else {
if (count($options) === 1) {
$date = date(trim(key($options), "'"), $date);
}
}
} else {
$date = date('Y-m-d', $date);
}
return $date;
});
$this->m_manager->register('format-url', function ($options, $context) {
if ($options && count($options) === 1) {
if (isset($options['post'])) {
$time = $context['time'];
if (is_string($time)) {
$time = strtotime($time);
}
return self::_format_post_url($time, $context['slug']);
} else {
if (isset($options['page'])) {
return self::_format_page_url($context['slug']);
} else {
if (isset($options['category'])) {
return self::_format_category_url($context['slug']);
} else {
if (isset($options['archive'])) {
$time = $context['month'];
if (is_string($time)) {
$time = strtotime($time);
}
return self::_format_archive_url($time);
}
}
}
}
}
return '';
});
}
public function action__templates()
{
TemplateManager::create(BRAMBLE_TEMPLATES, true);
return NULL;
}