Files
crtr/Assets/YamlDotNet/Serialization/DeserializerBuilder.cs
2022-12-12 22:23:49 +08:00

390 lines
17 KiB
C#

// This file is part of YamlDotNet - A .NET library for YAML.
// Copyright (c) Antoine Aubry and contributors
//
// 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.
using System;
using System.Collections.Generic;
using YamlDotNet.Core;
using YamlDotNet.Serialization.NamingConventions;
using YamlDotNet.Serialization.NodeDeserializers;
using YamlDotNet.Serialization.NodeTypeResolvers;
using YamlDotNet.Serialization.ObjectFactories;
using YamlDotNet.Serialization.Schemas;
using YamlDotNet.Serialization.TypeInspectors;
using YamlDotNet.Serialization.TypeResolvers;
using YamlDotNet.Serialization.ValueDeserializers;
namespace YamlDotNet.Serialization
{
/// <summary>
/// Creates and configures instances of <see cref="Deserializer" />.
/// This class is used to customize the behavior of <see cref="Deserializer" />. Use the relevant methods
/// to apply customizations, then call <see cref="Build" /> to create an instance of the deserializer
/// with the desired customizations.
/// </summary>
public sealed class DeserializerBuilder : BuilderSkeleton<DeserializerBuilder>
{
private Lazy<IObjectFactory> objectFactory;
private readonly LazyComponentRegistrationList<Nothing, INodeDeserializer> nodeDeserializerFactories;
private readonly LazyComponentRegistrationList<Nothing, INodeTypeResolver> nodeTypeResolverFactories;
private readonly Dictionary<TagName, Type> tagMappings;
private readonly Dictionary<Type, Type> typeMappings;
private bool ignoreUnmatched;
/// <summary>
/// Initializes a new <see cref="DeserializerBuilder" /> using the default component registrations.
/// </summary>
public DeserializerBuilder()
: base(new StaticTypeResolver())
{
typeMappings = new Dictionary<Type, Type>();
objectFactory = new Lazy<IObjectFactory>(() => new DefaultObjectFactory(typeMappings), true);
tagMappings = new Dictionary<TagName, Type>
{
{ FailsafeSchema.Tags.Map, typeof(Dictionary<object, object>) },
{ FailsafeSchema.Tags.Str, typeof(string) },
{ JsonSchema.Tags.Bool, typeof(bool) },
{ JsonSchema.Tags.Float, typeof(double) },
{ JsonSchema.Tags.Int, typeof(int) },
{ DefaultSchema.Tags.Timestamp, typeof(DateTime) }
};
typeInspectorFactories.Add(typeof(CachedTypeInspector), inner => new CachedTypeInspector(inner));
typeInspectorFactories.Add(typeof(NamingConventionTypeInspector), inner => namingConvention is NullNamingConvention ? inner : new NamingConventionTypeInspector(inner, namingConvention));
typeInspectorFactories.Add(typeof(YamlAttributesTypeInspector), inner => new YamlAttributesTypeInspector(inner));
typeInspectorFactories.Add(typeof(YamlAttributeOverridesInspector), inner => overrides != null ? new YamlAttributeOverridesInspector(inner, overrides.Clone()) : inner);
typeInspectorFactories.Add(typeof(ReadableAndWritablePropertiesTypeInspector), inner => new ReadableAndWritablePropertiesTypeInspector(inner));
nodeDeserializerFactories = new LazyComponentRegistrationList<Nothing, INodeDeserializer>
{
{ typeof(YamlConvertibleNodeDeserializer), _ => new YamlConvertibleNodeDeserializer(objectFactory.Value) },
{ typeof(YamlSerializableNodeDeserializer), _ => new YamlSerializableNodeDeserializer(objectFactory.Value) },
{ typeof(TypeConverterNodeDeserializer), _ => new TypeConverterNodeDeserializer(BuildTypeConverters()) },
{ typeof(NullNodeDeserializer), _ => new NullNodeDeserializer() },
{ typeof(ScalarNodeDeserializer), _ => new ScalarNodeDeserializer() },
{ typeof(ArrayNodeDeserializer), _ => new ArrayNodeDeserializer() },
{ typeof(DictionaryNodeDeserializer), _ => new DictionaryNodeDeserializer(objectFactory.Value) },
{ typeof(CollectionNodeDeserializer), _ => new CollectionNodeDeserializer(objectFactory.Value) },
{ typeof(EnumerableNodeDeserializer), _ => new EnumerableNodeDeserializer() },
{ typeof(ObjectNodeDeserializer), _ => new ObjectNodeDeserializer(objectFactory.Value, BuildTypeInspector(), ignoreUnmatched) }
};
nodeTypeResolverFactories = new LazyComponentRegistrationList<Nothing, INodeTypeResolver>
{
{ typeof(MappingNodeTypeResolver), _ => new MappingNodeTypeResolver(typeMappings) },
{ typeof(YamlConvertibleTypeResolver), _ => new YamlConvertibleTypeResolver() },
{ typeof(YamlSerializableTypeResolver), _ => new YamlSerializableTypeResolver() },
{ typeof(TagNodeTypeResolver), _ => new TagNodeTypeResolver(tagMappings) },
{ typeof(PreventUnknownTagsNodeTypeResolver), _ => new PreventUnknownTagsNodeTypeResolver() },
{ typeof(DefaultContainersNodeTypeResolver), _ => new DefaultContainersNodeTypeResolver() }
};
}
protected override DeserializerBuilder Self { get { return this; } }
/// <summary>
/// Sets the <see cref="IObjectFactory" /> that will be used by the deserializer.
/// </summary>
public DeserializerBuilder WithObjectFactory(IObjectFactory objectFactory)
{
if (objectFactory == null)
{
throw new ArgumentNullException(nameof(objectFactory));
}
this.objectFactory = new Lazy<IObjectFactory>(() => objectFactory, true);
return this;
}
/// <summary>
/// Sets the <see cref="IObjectFactory" /> that will be used by the deserializer.
/// </summary>
public DeserializerBuilder WithObjectFactory(Func<Type, object> objectFactory)
{
if (objectFactory == null)
{
throw new ArgumentNullException(nameof(objectFactory));
}
return WithObjectFactory(new LambdaObjectFactory(objectFactory));
}
/// <summary>
/// Registers an additional <see cref="INodeDeserializer" /> to be used by the deserializer.
/// </summary>
public DeserializerBuilder WithNodeDeserializer(INodeDeserializer nodeDeserializer)
{
return WithNodeDeserializer(nodeDeserializer, w => w.OnTop());
}
/// <summary>
/// Registers an additional <see cref="INodeDeserializer" /> to be used by the deserializer.
/// </summary>
/// <param name="nodeDeserializer"></param>
/// <param name="where">Configures the location where to insert the <see cref="INodeDeserializer" /></param>
public DeserializerBuilder WithNodeDeserializer(
INodeDeserializer nodeDeserializer,
Action<IRegistrationLocationSelectionSyntax<INodeDeserializer>> where
)
{
if (nodeDeserializer == null)
{
throw new ArgumentNullException(nameof(nodeDeserializer));
}
if (where == null)
{
throw new ArgumentNullException(nameof(where));
}
where(nodeDeserializerFactories.CreateRegistrationLocationSelector(nodeDeserializer.GetType(), _ => nodeDeserializer));
return this;
}
/// <summary>
/// Registers an additional <see cref="INodeDeserializer" /> to be used by the deserializer.
/// </summary>
/// <param name="nodeDeserializerFactory">A factory that creates the <see cref="INodeDeserializer" /> based on a previously registered <see cref="INodeDeserializer" />.</param>
/// <param name="where">Configures the location where to insert the <see cref="INodeDeserializer" /></param>
public DeserializerBuilder WithNodeDeserializer<TNodeDeserializer>(
WrapperFactory<INodeDeserializer, TNodeDeserializer> nodeDeserializerFactory,
Action<ITrackingRegistrationLocationSelectionSyntax<INodeDeserializer>> where
)
where TNodeDeserializer : INodeDeserializer
{
if (nodeDeserializerFactory == null)
{
throw new ArgumentNullException(nameof(nodeDeserializerFactory));
}
if (where == null)
{
throw new ArgumentNullException(nameof(where));
}
where(nodeDeserializerFactories.CreateTrackingRegistrationLocationSelector(typeof(TNodeDeserializer), (wrapped, _) => nodeDeserializerFactory(wrapped)));
return this;
}
/// <summary>
/// Unregisters an existing <see cref="INodeDeserializer" /> of type <typeparam name="TNodeDeserializer" />.
/// </summary>
public DeserializerBuilder WithoutNodeDeserializer<TNodeDeserializer>()
where TNodeDeserializer : INodeDeserializer
{
return WithoutNodeDeserializer(typeof(TNodeDeserializer));
}
/// <summary>
/// Unregisters an existing <see cref="INodeDeserializer" /> of type <param name="nodeDeserializerType" />.
/// </summary>
public DeserializerBuilder WithoutNodeDeserializer(Type nodeDeserializerType)
{
if (nodeDeserializerType == null)
{
throw new ArgumentNullException(nameof(nodeDeserializerType));
}
nodeDeserializerFactories.Remove(nodeDeserializerType);
return this;
}
/// <summary>
/// Registers an additional <see cref="INodeTypeResolver" /> to be used by the deserializer.
/// </summary>
public DeserializerBuilder WithNodeTypeResolver(INodeTypeResolver nodeTypeResolver)
{
return WithNodeTypeResolver(nodeTypeResolver, w => w.OnTop());
}
/// <summary>
/// Registers an additional <see cref="INodeTypeResolver" /> to be used by the deserializer.
/// </summary>
/// <param name="nodeTypeResolver"></param>
/// <param name="where">Configures the location where to insert the <see cref="INodeTypeResolver" /></param>
public DeserializerBuilder WithNodeTypeResolver(
INodeTypeResolver nodeTypeResolver,
Action<IRegistrationLocationSelectionSyntax<INodeTypeResolver>> where
)
{
if (nodeTypeResolver == null)
{
throw new ArgumentNullException(nameof(nodeTypeResolver));
}
if (where == null)
{
throw new ArgumentNullException(nameof(where));
}
where(nodeTypeResolverFactories.CreateRegistrationLocationSelector(nodeTypeResolver.GetType(), _ => nodeTypeResolver));
return this;
}
/// <summary>
/// Registers an additional <see cref="INodeTypeResolver" /> to be used by the deserializer.
/// </summary>
/// <param name="nodeTypeResolverFactory">A factory that creates the <see cref="INodeTypeResolver" /> based on a previously registered <see cref="INodeTypeResolver" />.</param>
/// <param name="where">Configures the location where to insert the <see cref="INodeTypeResolver" /></param>
public DeserializerBuilder WithNodeTypeResolver<TNodeTypeResolver>(
WrapperFactory<INodeTypeResolver, TNodeTypeResolver> nodeTypeResolverFactory,
Action<ITrackingRegistrationLocationSelectionSyntax<INodeTypeResolver>> where
)
where TNodeTypeResolver : INodeTypeResolver
{
if (nodeTypeResolverFactory == null)
{
throw new ArgumentNullException(nameof(nodeTypeResolverFactory));
}
if (where == null)
{
throw new ArgumentNullException(nameof(where));
}
where(nodeTypeResolverFactories.CreateTrackingRegistrationLocationSelector(typeof(TNodeTypeResolver), (wrapped, _) => nodeTypeResolverFactory(wrapped)));
return this;
}
/// <summary>
/// Unregisters an existing <see cref="INodeTypeResolver" /> of type <typeparam name="TNodeTypeResolver" />.
/// </summary>
public DeserializerBuilder WithoutNodeTypeResolver<TNodeTypeResolver>()
where TNodeTypeResolver : INodeTypeResolver
{
return WithoutNodeTypeResolver(typeof(TNodeTypeResolver));
}
/// <summary>
/// Unregisters an existing <see cref="INodeTypeResolver" /> of type <param name="nodeTypeResolverType" />.
/// </summary>
public DeserializerBuilder WithoutNodeTypeResolver(Type nodeTypeResolverType)
{
if (nodeTypeResolverType == null)
{
throw new ArgumentNullException(nameof(nodeTypeResolverType));
}
nodeTypeResolverFactories.Remove(nodeTypeResolverType);
return this;
}
/// <summary>
/// Registers a tag mapping.
/// </summary>
public override DeserializerBuilder WithTagMapping(TagName tag, Type type)
{
if (tag.IsEmpty)
{
throw new ArgumentException("Non-specific tags cannot be maped");
}
if (type == null)
{
throw new ArgumentNullException(nameof(type));
}
if (tagMappings.TryGetValue(tag, out var alreadyRegisteredType))
{
throw new ArgumentException($"Type already has a registered type '{alreadyRegisteredType.FullName}' for tag '{tag}'", nameof(tag));
}
tagMappings.Add(tag, type);
return this;
}
/// <summary>
/// Registers a type mapping using the default object factory.
/// </summary>
public DeserializerBuilder WithTypeMapping<TInterface, TConcrete>()
where TConcrete : TInterface
{
var interfaceType = typeof(TInterface);
var concreteType = typeof(TConcrete);
if (!interfaceType.IsAssignableFrom(concreteType))
{
throw new InvalidOperationException($"The type '{concreteType.Name}' does not implement interface '{interfaceType.Name}'.");
}
if (typeMappings.ContainsKey(interfaceType))
{
typeMappings[interfaceType] = concreteType;
}
else
{
typeMappings.Add(interfaceType, concreteType);
}
return this;
}
/// <summary>
/// Unregisters an existing tag mapping.
/// </summary>
public DeserializerBuilder WithoutTagMapping(TagName tag)
{
if (tag.IsEmpty)
{
throw new ArgumentException("Non-specific tags cannot be maped");
}
if (!tagMappings.Remove(tag))
{
throw new KeyNotFoundException($"Tag '{tag}' is not registered");
}
return this;
}
/// <summary>
/// Instructs the deserializer to ignore unmatched properties instead of throwing an exception.
/// </summary>
public DeserializerBuilder IgnoreUnmatchedProperties()
{
ignoreUnmatched = true;
return this;
}
/// <summary>
/// Creates a new <see cref="Deserializer" /> according to the current configuration.
/// </summary>
public IDeserializer Build()
{
return Deserializer.FromValueDeserializer(BuildValueDeserializer());
}
/// <summary>
/// Creates a new <see cref="IValueDeserializer" /> that implements the current configuration.
/// This method is available for advanced scenarios. The preferred way to customize the behavior of the
/// deserializer is to use the <see cref="Build" /> method.
/// </summary>
public IValueDeserializer BuildValueDeserializer()
{
return new AliasValueDeserializer(
new NodeValueDeserializer(
nodeDeserializerFactories.BuildComponentList(),
nodeTypeResolverFactories.BuildComponentList()
)
);
}
}
}