/// <summary>
/// Pushes an array access on the path.
/// </summary>
/// <param name="descriptor">The descriptor of the array.</param>
/// <param name="index">The index in the array.</param>
/// <exception cref="System.ArgumentNullException">descriptor</exception>
public void Push(ArrayDescriptor descriptor, int index)
{
if (descriptor == null)
{
throw new ArgumentNullException(nameof(descriptor));
}
AddItem(new ArrayPathItem(descriptor, index));
}
public ArrayPathItem(ArrayDescriptor descriptor, int index)
{
if (descriptor == null)
{
throw new ArgumentNullException(nameof(descriptor));
}
Index = index;
Descriptor = descriptor;
}
/// <inheritdoc />
public virtual void VisitArray(Array array, ArrayDescriptor descriptor)
{
for (var i = 0; i < array.Length; i++)
{
var value = array.GetValue(i);
CurrentPath.Push(descriptor, i);
VisitArrayItem(array, descriptor, i, value, TypeDescriptorFactory.Find(value?.GetType() ?? descriptor.ElementType));
CurrentPath.Pop();
}
}
/// <summary>
/// Creates a type descriptor for the specified type.
/// </summary>
/// <param name="type">The type.</param>
/// <returns>An instance of type descriptor.</returns>
protected virtual ITypeDescriptor Create(Type type)
{
ITypeDescriptor descriptor;
// The order of the descriptors here is important
if (PrimitiveDescriptor.IsPrimitive(type))
{
descriptor = new PrimitiveDescriptor(this, type, emitDefaultValues, namingConvention);
}
else if (DictionaryDescriptor.IsDictionary(type)) // resolve dictionary before collections, as they are also collections
{
// IDictionary
descriptor = new DictionaryDescriptor(this, type, emitDefaultValues, namingConvention);
}
else if (CollectionDescriptor.IsCollection(type))
{
// ICollection
descriptor = new CollectionDescriptor(this, type, emitDefaultValues, namingConvention);
}
else if (type.IsArray)
{
if (type.GetArrayRank() == 1)
{
// array[] - only single dimension array is supported
descriptor = new ArrayDescriptor(this, type, emitDefaultValues, namingConvention);
}
else
{
// multi-dimension array to be treated as a 'standard' object
descriptor = new ObjectDescriptor(this, type, emitDefaultValues, namingConvention);
}
}
else if (NullableDescriptor.IsNullable(type))
{
descriptor = new NullableDescriptor(this, type, emitDefaultValues, namingConvention);
}
else
{
// standard object (class or value type)
descriptor = new ObjectDescriptor(this, type, emitDefaultValues, namingConvention);
}
return(descriptor);
}
/// <summary>
/// Creates a type descriptor for the specified type.
/// </summary>
/// <param name="type">The type.</param>
/// <returns>An instance of type descriptor.</returns>
protected virtual ITypeDescriptor Create(Type type)
{
ITypeDescriptor descriptor;
// The order of the descriptors here is important
try {
if (PrimitiveDescriptor.IsPrimitive(type))
{
descriptor = new PrimitiveDescriptor(this, type, emitDefaultValues, namingConvention);
}
else if (DictionaryDescriptor.IsDictionary(type)) // resolve dictionary before collections, as they are also collections
{
// IDictionary
descriptor = new DictionaryDescriptor(this, type, emitDefaultValues, namingConvention);
}
else if (CollectionDescriptor.IsCollection(type))
{
// ICollection
descriptor = new CollectionDescriptor(this, type, emitDefaultValues, namingConvention);
}
else if (type.IsArray)
{
// array[]
descriptor = new ArrayDescriptor(this, type, emitDefaultValues, namingConvention);
}
else if (NullableDescriptor.IsNullable(type))
{
descriptor = new NullableDescriptor(this, type, emitDefaultValues, namingConvention);
}
else
{
// standard object (class or value type)
descriptor = new ObjectDescriptor(this, type, emitDefaultValues, namingConvention);
}
} catch (Exception e) {
// failed to get a descriptor... instead of crashing, just return nothing
return(null);
}
return(descriptor);
}
/// <inheritdoc />
public virtual void VisitArrayItem(Array array, ArrayDescriptor descriptor, int index, object item, ITypeDescriptor itemDescriptor)
{
Visit(item, itemDescriptor);
}
/// <summary> /// Check if an array is of primtive types, these can be skipped in most processors /// </summary> /// <param name="descriptor"></param> /// <returns></returns> protected bool IsArrayOfPrimitiveType(ArrayDescriptor descriptor) => BlittableHelper.IsBlittable(descriptor.ElementType);
