/**
* 2016-08-03
* @param string $name
* @param string|\Exception $message [optional]
* @return void
* @throws DFE
*/
function df_assert_class_exists($name, $message = null)
{
df_param_string_not_empty($name, 0);
if (df_enable_assertions()) {
if (!df_class_exists($name)) {
df_error($message ?: "The required class «{$name}» does not exist.");
}
}
}
/**
* 2015-04-05
* @used-by resolve()
* @param string $name
* @param bool $skipOnNull [optional]
* @return \Zend_Validate_Interface|\Zend_Filter_Interface
*/
private static function byName($name, $skipOnNull = false)
{
/** @var array(bool => array(string => \Zend_Validate_Interface)) */
static $cache;
if (!isset($cache[$skipOnNull][$name])) {
/** @var array(string => string) $map */
static $map;
if (!$map) {
/** @var string[] $entries */
$entries = [DF_F_TRIM, DF_V_ARRAY, DF_V_BOOL, DF_V_FLOAT, DF_V_INT, DF_V_ISO2, DF_V_NAT, DF_V_NAT0, DF_V_STRING, DF_V_STRING_NE];
$map = array_combine($entries, $entries);
}
/** @var \Zend_Validate_Interface|\Zend_Filter_Interface $result */
if (isset($map[$name])) {
$result = new $map[$name]();
} else {
if (df_class_exists($name) || @interface_exists($name)) {
$result = \Df\Zf\Validate\ClassT::i($name);
} else {
df_error("Система не смогла распознать валидатор «{$name}».");
}
}
$result->{self::$SKIP_ON_NULL} = $skipOnNull;
$cache[$skipOnNull][$name] = $result;
}
return $cache[$skipOnNull][$name];
}
/**
* Инструмент парадигмы «convention over configuration».
* 2016-10-26
* @param \Closure $f
* @param object|string $c
* @param string|string[] $suffix
* @param string|null $def [optional]
* @param bool $throw [optional]
* @return string|null
*/
function df_con_generic(\Closure $f, $c, $suffix, $def = null, $throw = true)
{
return dfcf(function ($f, $c, $suffix, $def = null, $throw = true) {
/** @var string $result */
$result = $f($c, $suffix);
return df_class_exists($result) ? $result : ($def ?: (!$throw ? null : df_error("The «{$result}» class is required.")));
}, [$f, df_cts($c), $suffix, $def, $throw]);
}
