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Tobe O 2018-07-10 14:18:10 -04:00
parent 4d00db78bc
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angel_container/LICENSE Normal file
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MIT License
Copyright (c) 2018 The Angel Framework
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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# container
A better IoC container for Angel, ultimately allowing Angel to be used without dart:mirrors.

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export 'src/container.dart';
export 'src/exception.dart';
export 'src/reflector.dart';

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export 'src/mirrors/mirrors.dart';

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import 'exception.dart';
import 'reflector.dart';
class Container {
final Reflector reflector;
final Map<Type, dynamic> _singletons = {};
Container(this.reflector);
T make<T>(Type type) {
if (_singletons.containsKey(type)) {
return _singletons[type] as T;
} else {
var reflectedType = reflector.reflectType(type);
var positional = [];
var named = <String, dynamic>{};
if (reflectedType is ReflectedClass) {
var constructor = reflectedType.constructors.firstWhere(
(c) => c.name.isEmpty,
orElse: () => throw new ReflectionException('${reflectedType
.name} has no default constructor, and therefore cannot be instantiated.'));
for (var param in constructor.parameters) {
var value = make(param.type);
if (param.isNamed) {
named[param.name] = value;
} else {
positional.add(value);
}
}
return reflectedType
.newInstance(constructor.name, positional, named, []);
} else {
throw new ReflectionException(
'$type is not a class, and therefore cannot be instantiated.');
}
}
}
void singleton(Object object, {Type as}) {
if (_singletons.containsKey(as ?? object.runtimeType)) {
throw new StateError('This container already has a singleton for ${as ??
object.runtimeType}.');
}
_singletons[as ?? object.runtimeType] = object;
}
}

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class ReflectionException implements Exception {
final String message;
ReflectionException(this.message);
@override
String toString() => message;
}

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export 'reflector.dart';

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import 'dart:mirrors' as dart;
import 'package:angel_container/angel_container.dart';
import 'package:angel_container/src/reflector.dart';
import 'package:angel_container/src/reflector.dart';
class MirrorsReflector implements Reflector {
@override
String getName(Symbol symbol) => dart.MirrorSystem.getName(symbol);
@override
ReflectedClass reflectClass(Type clazz) {
var mirror = dart.reflectType(clazz);
if (mirror is dart.ClassMirror) {
return new _ReflectedClassMirror(mirror);
} else {
throw new ArgumentError('$clazz is not a class.');
}
}
@override
ReflectedFunction reflectFunction(Function function) {
// TODO: implement reflectFunction
}
@override
ReflectedType reflectType(Type type) {
var mirror = dart.reflectType(type);
if (mirror is dart.ClassMirror) {
return new _ReflectedClassMirror(mirror);
} else {
return new _ReflectedTypeMirror(mirror);
}
}
}
class _ReflectedTypeParameter extends ReflectedTypeParameter {
final dart.TypeVariableMirror mirror;
_ReflectedTypeParameter(this.mirror)
: super(
dart.MirrorSystem.getName(mirror.simpleName), mirror.reflectedType);
}
class _ReflectedTypeMirror extends ReflectedType {
final dart.TypeMirror mirror;
_ReflectedTypeMirror(this.mirror)
: super(
dart.MirrorSystem.getName(mirror.simpleName),
mirror.typeVariables
.map((m) => new _ReflectedTypeParameter(m))
.toList(),
);
@override
bool isAssignableTo(ReflectedType other) {
return other is _ReflectedTypeMirror && mirror.isAssignableTo(other.mirror);
}
@override
T newInstance<T>(String constructorName, List positionalArguments,
Map<String, dynamic> namedArguments, List<Type> typeArguments) {
throw new ReflectionException(
'$name is not a class, and therefore cannot be instantiated.');
}
}
class _ReflectedClassMirror extends ReflectedClass {
final dart.ClassMirror mirror;
_ReflectedClassMirror(this.mirror)
: super(
dart.MirrorSystem.getName(mirror.simpleName),
mirror.typeVariables
.map((m) => new _ReflectedTypeParameter(m))
.toList(),
mirror.metadata.map((m) => new _ReflectedInstanceMirror(m)).toList(),
_constructorsOf(mirror),
_declarationsOf(mirror),
);
static List<ReflectedFunction> _constructorsOf(dart.ClassMirror mirror) {
var out = <ReflectedFunction>[];
for (var key in mirror.declarations.keys) {
var value = mirror.declarations[key];
}
return out;
}
static List<ReflectedDeclaration> _declarationsOf(dart.ClassMirror mirror) {
var out = <ReflectedDeclaration>[];
for (var key in mirror.declarations.keys) {
var value = mirror.declarations[key];
}
return out;
}
@override
bool isAssignableTo(ReflectedType other) {
return other is _ReflectedTypeMirror && mirror.isAssignableTo(other.mirror);
}
@override
T newInstance<T>(String constructorName, List positionalArguments,
Map<String, dynamic> namedArguments, List<Type> typeArguments) {
// TODO: implement newInstance
}
}
class _ReflectedInstanceMirror extends ReflectedInstance {
final dart.InstanceMirror mirror;
_ReflectedInstanceMirror(this.mirror)
: super(new _ReflectedClassMirror(mirror.type),
new _ReflectedClassMirror(mirror.type));
@override
T invoke<T>(Invocation invocation) {
return mirror.delegate(invocation) as T;
}
}

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import 'package:collection/collection.dart';
import 'package:quiver_hashcode/hashcode.dart';
abstract class Reflector {
String getName(Symbol symbol);
ReflectedClass reflectClass(Type clazz);
ReflectedFunction reflectFunction(Function function);
ReflectedType reflectType(Type type);
}
abstract class ReflectedInstance {
final ReflectedType type;
final ReflectedClass clazz;
const ReflectedInstance(this.type, this.clazz);
@override
int get hashCode => hash2(type, clazz);
@override
bool operator ==(other) =>
other is ReflectedInstance && other.type == type && other.clazz == clazz;
T invoke<T>(Invocation invocation);
}
abstract class ReflectedType {
final String name;
final List<ReflectedTypeParameter> typeParameters;
const ReflectedType(this.name, this.typeParameters);
@override
int get hashCode => hash2(name, typeParameters);
@override
bool operator ==(other) =>
other is ReflectedType &&
other.name == name &&
const ListEquality<ReflectedTypeParameter>()
.equals(other.typeParameters, typeParameters);
T newInstance<T>(String constructorName, List positionalArguments,
Map<String, dynamic> namedArguments, List<Type> typeArguments);
bool isAssignableTo(ReflectedType other);
}
abstract class ReflectedClass extends ReflectedType {
final List<ReflectedInstance> annotations;
final List<ReflectedFunction> constructors;
final List<ReflectedDeclaration> declarations;
const ReflectedClass(String name, List<ReflectedTypeParameter> typeParameters,
this.annotations, this.constructors, this.declarations)
: super(name, typeParameters);
@override
int get hashCode =>
hash4(super.hashCode, annotations, constructors, declarations);
@override
bool operator ==(other) =>
other is ReflectedClass &&
super == other &&
const ListEquality<ReflectedInstance>()
.equals(other.annotations, annotations) &&
const ListEquality<ReflectedFunction>()
.equals(other.constructors, constructors) &&
const ListEquality<ReflectedDeclaration>()
.equals(other.declarations, declarations);
}
class ReflectedDeclaration {
final String name;
final bool isStatic;
final ReflectedFunction function;
const ReflectedDeclaration(this.name, this.isStatic, this.function);
@override
int get hashCode => hash3(name, isStatic, function);
@override
bool operator ==(other) =>
other is ReflectedDeclaration &&
other.name == name &&
other.isStatic == isStatic &&
other.function == function;
}
class ReflectedFunction {
final String name;
final List<ReflectedTypeParameter> typeParameters;
final List<ReflectedInstance> annotations;
final Type returnType;
final List<ReflectedParameter> parameters;
final bool isGetter, isSetter;
const ReflectedFunction(this.name, this.typeParameters, this.annotations,
this.returnType, this.parameters, this.isGetter, this.isSetter);
@override
int get hashCode => hashObjects([
name,
typeParameters,
annotations,
returnType,
parameters,
isGetter,
isSetter
]);
@override
bool operator ==(other) =>
other is ReflectedFunction &&
other.name == name &&
const ListEquality<ReflectedTypeParameter>()
.equals(other.typeParameters, typeParameters) &&
const ListEquality<ReflectedInstance>()
.equals(other.annotations, annotations) &&
other.returnType == returnType &&
const ListEquality<ReflectedParameter>()
.equals(other.parameters, other.parameters) &&
other.isGetter == isGetter &&
other.isSetter == isSetter;
}
class ReflectedParameter {
final String name;
final List<ReflectedInstance> annotations;
final Type type;
final bool isRequired;
final bool isNamed;
const ReflectedParameter(
this.name, this.annotations, this.type, this.isRequired, this.isNamed);
@override
int get hashCode =>
hashObjects([name, annotations, type, isRequired, isNamed]);
@override
bool operator ==(other) =>
other is ReflectedParameter &&
other.name == name &&
const ListEquality<ReflectedInstance>()
.equals(other.annotations, annotations) &&
other.type == type &&
other.isRequired == isRequired &&
other.isNamed == isNamed;
}
class ReflectedTypeParameter {
final String name;
final Type type;
const ReflectedTypeParameter(this.name, this.type);
@override
int get hashCode => hash2(name, type);
@override
bool operator ==(other) =>
other is ReflectedTypeParameter &&
other.name == name &&
other.type == type;
}

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name: angel_container
dependencies:
collection: ^1.0.0
quiver_hashcode: ^1.0.0

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# See https://www.dartlang.org/guides/libraries/private-files
# Files and directories created by pub
.dart_tool/
.packages
.pub/
build/
# If you're building an application, you may want to check-in your pubspec.lock
pubspec.lock
# Directory created by dartdoc
# If you don't generate documentation locally you can remove this line.
doc/api/

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MIT License
Copyright (c) 2018 The Angel Framework
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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# container
A better IoC container for Angel, ultimately allowing Angel to be used without dart:mirrors.