87 lines
3.3 KiB
Dart
87 lines
3.3 KiB
Dart
|
/*
|
||
|
|
* This file is part of the Protevus Platform.
|
||
|
|
*
|
||
|
|
* (C) Protevus <developers@protevus.com>
|
||
|
|
*
|
||
|
|
* For the full copyright and license information, please view the LICENSE
|
||
|
|
* file that was distributed with this source code.
|
||
|
|
*/
|
||
|
|
|
||
|
|
import 'package:protevus_runtime/runtime.dart';
|
||
|
|
|
||
|
|
const String _listPrefix = "List<";
|
||
|
|
const String _mapPrefix = "Map<String,";
|
||
|
|
|
||
|
|
T cast<T>(dynamic input) {
|
||
|
|
try {
|
||
|
|
var typeString = T.toString();
|
||
|
|
if (typeString.endsWith('?')) {
|
||
|
|
if (input == null) {
|
||
|
|
return null as T;
|
||
|
|
} else {
|
||
|
|
typeString = typeString.substring(0, typeString.length - 1);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (typeString.startsWith(_listPrefix)) {
|
||
|
|
if (input is! List) {
|
||
|
|
throw TypeError();
|
||
|
|
}
|
||
|
|
|
||
|
|
if (typeString.startsWith("List<int>")) {
|
||
|
|
return List<int>.from(input) as T;
|
||
|
|
} else if (typeString.startsWith("List<num>")) {
|
||
|
|
return List<num>.from(input) as T;
|
||
|
|
} else if (typeString.startsWith("List<double>")) {
|
||
|
|
return List<double>.from(input) as T;
|
||
|
|
} else if (typeString.startsWith("List<String>")) {
|
||
|
|
return List<String>.from(input) as T;
|
||
|
|
} else if (typeString.startsWith("List<bool>")) {
|
||
|
|
return List<bool>.from(input) as T;
|
||
|
|
} else if (typeString.startsWith("List<int?>")) {
|
||
|
|
return List<int?>.from(input) as T;
|
||
|
|
} else if (typeString.startsWith("List<num?>")) {
|
||
|
|
return List<num?>.from(input) as T;
|
||
|
|
} else if (typeString.startsWith("List<double?>")) {
|
||
|
|
return List<double?>.from(input) as T;
|
||
|
|
} else if (typeString.startsWith("List<String?>")) {
|
||
|
|
return List<String?>.from(input) as T;
|
||
|
|
} else if (typeString.startsWith("List<bool?>")) {
|
||
|
|
return List<bool?>.from(input) as T;
|
||
|
|
} else if (typeString.startsWith("List<Map<String, dynamic>>")) {
|
||
|
|
return List<Map<String, dynamic>>.from(input) as T;
|
||
|
|
}
|
||
|
|
} else if (typeString.startsWith(_mapPrefix)) {
|
||
|
|
if (input is! Map) {
|
||
|
|
throw TypeError();
|
||
|
|
}
|
||
|
|
|
||
|
|
final inputMap = input as Map<String, dynamic>;
|
||
|
|
if (typeString.startsWith("Map<String, int>")) {
|
||
|
|
return Map<String, int>.from(inputMap) as T;
|
||
|
|
} else if (typeString.startsWith("Map<String, num>")) {
|
||
|
|
return Map<String, num>.from(inputMap) as T;
|
||
|
|
} else if (typeString.startsWith("Map<String, double>")) {
|
||
|
|
return Map<String, double>.from(inputMap) as T;
|
||
|
|
} else if (typeString.startsWith("Map<String, String>")) {
|
||
|
|
return Map<String, String>.from(inputMap) as T;
|
||
|
|
} else if (typeString.startsWith("Map<String, bool>")) {
|
||
|
|
return Map<String, bool>.from(inputMap) as T;
|
||
|
|
} else if (typeString.startsWith("Map<String, int?>")) {
|
||
|
|
return Map<String, int?>.from(inputMap) as T;
|
||
|
|
} else if (typeString.startsWith("Map<String, num?>")) {
|
||
|
|
return Map<String, num?>.from(inputMap) as T;
|
||
|
|
} else if (typeString.startsWith("Map<String, double?>")) {
|
||
|
|
return Map<String, double?>.from(inputMap) as T;
|
||
|
|
} else if (typeString.startsWith("Map<String, String?>")) {
|
||
|
|
return Map<String, String?>.from(inputMap) as T;
|
||
|
|
} else if (typeString.startsWith("Map<String, bool?>")) {
|
||
|
|
return Map<String, bool?>.from(inputMap) as T;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return input as T;
|
||
|
|
} on TypeError {
|
||
|
|
throw TypeCoercionException(T, input.runtimeType);
|
||
|
|
}
|
||
|
|
}
|