/**
* Outputs a stack trace based on the supplied options.
*
* @param array $options Format for outputting stack trace. Available options are:
* - `'args'`: A boolean indicating if arguments should be included.
* - `'depth'`: The maximum depth of the trace.
* - `'format'`: Either `null`, `'points'` or `'array'`.
* - `'includeScope'`: A boolean indicating if items within scope
* should be included.
* - `'scope'`: Scope for items to include.
* - `'start'`: The depth to start with.
* - `'trace'`: A trace to use instead of generating one.
* @return string Stack trace formatted according to `'format'` option.
*/
public static function trace(array $options = array())
{
$defaults = array('depth' => 999, 'format' => null, 'args' => false, 'start' => 0, 'scope' => array(), 'trace' => array(), 'includeScope' => true, 'closures' => true);
$options += $defaults;
$backtrace = $options['trace'] ?: debug_backtrace();
$scope = $options['scope'];
$count = count($backtrace);
$back = array();
$traceDefault = array('line' => '??', 'file' => '[internal]', 'class' => null, 'function' => '[main]');
for ($i = $options['start']; $i < $count && $i < $options['depth']; $i++) {
$trace = array_merge(array('file' => '[internal]', 'line' => '??'), $backtrace[$i]);
$function = '[main]';
if (isset($backtrace[$i + 1])) {
$next = $backtrace[$i + 1] + $traceDefault;
$function = $next['function'];
if (!empty($next['class'])) {
$function = $next['class'] . '::' . $function . '(';
if ($options['args'] && isset($next['args'])) {
$args = array_map(array('static', 'export'), $next['args']);
$function .= join(', ', $args);
}
$function .= ')';
}
}
if ($options['closures'] && strpos($function, '{closure}') !== false) {
$function = static::_closureDef($backtrace[$i], $function);
}
if (in_array($function, array('call_user_func_array', 'trigger_error'))) {
continue;
}
$trace['functionRef'] = $function;
if ($options['format'] == 'points' && $trace['file'] != '[internal]') {
$back[] = array('file' => $trace['file'], 'line' => $trace['line']);
} elseif (is_string($options['format']) && $options['format'] != 'array') {
$back[] = String\Format::sprintfn($options['format'], array_map(function ($data) {
return is_object($data) ? get_class($data) : $data;
}, $trace));
} elseif (empty($options['format'])) {
$back[] = $function . ' - ' . $trace['file'] . ', line ' . $trace['line'];
} else {
$back[] = $trace;
}
if (!empty($scope) && array_intersect_assoc($scope, $trace) == $scope) {
if (!$options['includeScope']) {
$back = array_slice($back, 0, count($back) - 1);
}
break;
}
}
if ($options['format'] == 'array' || $options['format'] == 'points') {
return $back;
}
return join("\n", $back);
}
static function recognise(URL $url)
{
$path = $url->getPath()->getPath(true);
$match = null;
foreach (static::$match as $expr => $class) {
$matches = Format::consumeRegex($path, $expr, $match);
if ($matches) {
if (is_array($class) || is_string($class)) {
if (is_array($class)) {
$data = isset($class['data']) ? $class['data'] : $match;
$class = $class['class'];
} else {
$data = $match;
//matched but no data
if ($data === true) {
$data = array();
}
}
if (is_string($class)) {
if ($class[0] != '\\') {
$class_expr = '\\*\\Web\\Page\\Controller\\' . $class;
$class = null;
foreach (\Radical\Core\Libraries::get($class_expr) as $class) {
//$class set
break;
}
if ($class === null) {
return null;
}
}
return new $class($data);
}
}
return $class;
}
}
}
private function match_functor($data)
{
if (is_string($data)) {
$len = strlen($data);
if ($len == 0) {
throw new \InvalidArgumentException('String must be more than 0B');
}
if ($len > 1 && $data[0] == '`') {
return function ($url, &$matches) use($data) {
return preg_match($data, (string) $url, $matches);
};
} else {
return function ($url, &$matches) use($data) {
$matches = Format::Consume((string) $url, $data);
return (bool) $matches;
};
}
} else {
if (is_callable($data)) {
return $data;
}
}
throw new \InvalidArgumentException("Invalid argument type:" . gettype($data));
}
function __construct($version)
{
$this->path = String\Format::sprintfn(static::URL, compact('version'));
}
