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Add overload to MapPropertiesTo with supplied factory method

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Daniel Cronqvist 2024-09-05 21:02:34 +02:00
parent 612b5cdb33
commit 53907b9c36
1 changed files with 19 additions and 9 deletions
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28
src/DotTiled/Properties/IHasProperties.cs
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@ -38,6 +38,14 @@ public interface IHasProperties
/// <typeparam name="T"></typeparam>
/// <returns></returns>
T MapPropertiesTo<T>() where T : new();
/// <summary>
/// Maps all properties in this object to a new instance of the specified type using reflection.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="initializer"></param>
/// <returns></returns>
T MapPropertiesTo<T>(Func<T> initializer);
}
/// <summary>
@ -78,15 +86,14 @@ public abstract class HasPropertiesBase : IHasProperties
}
/// <inheritdoc/>
public T MapPropertiesTo<T>() where T : new()
{
var properties = GetProperties();
return CreateMappedInstance<T>(properties);
}
public T MapPropertiesTo<T>() where T : new() => CreateMappedInstance<T>(GetProperties());
private static object CreatedMappedInstance(Type type, IList<IProperty> properties)
/// <inheritdoc/>
public T MapPropertiesTo<T>(Func<T> initializer) => CreateMappedInstance(GetProperties(), initializer);
private static object CreatedMappedInstance(object instance, IList<IProperty> properties)
{
var instance = Activator.CreateInstance(type) ?? throw new InvalidOperationException($"Failed to create instance of '{type.Name}'.");
var type = instance.GetType();
foreach (var prop in properties)
{
@ -118,7 +125,7 @@ public abstract class HasPropertiesBase : IHasProperties
break;
case ClassProperty classProp:
var subClassProp = type.GetProperty(prop.Name);
subClassProp?.SetValue(instance, CreatedMappedInstance(subClassProp.PropertyType, classProp.GetProperties()));
subClassProp?.SetValue(instance, CreatedMappedInstance(Activator.CreateInstance(subClassProp.PropertyType), classProp.GetProperties()));
break;
case EnumProperty enumProp:
var enumPropInClass = type.GetProperty(prop.Name);
@ -133,5 +140,8 @@ public abstract class HasPropertiesBase : IHasProperties
return instance;
}
private static T CreateMappedInstance<T>(IList<IProperty> properties) where T : new() => (T)CreatedMappedInstance(typeof(T), properties);
private static T CreateMappedInstance<T>(IList<IProperty> properties) where T : new() =>
(T)CreatedMappedInstance(Activator.CreateInstance<T>() ?? throw new InvalidOperationException($"Failed to create instance of '{typeof(T).Name}'."), properties);
private static T CreateMappedInstance<T>(IList<IProperty> properties, Func<T> initializer) => (T)CreatedMappedInstance(initializer(), properties);
}