public void HasValue <TValue>(Func <TEntity, TValue> converter)
{
var native = this.converter.Get <TValue>();
TreeEncoderDescriptor <TState, TNative, TEntity> .BindValue(this.definition, e => native(converter(e)));
this.definition.Callback = (reader, state, entity) => reader.WriteAsValue(state, native(converter(entity)));
}
public IEncoderDescriptor <TElement> HasElements <TElement>(Func <TEntity, IEnumerable <TElement> > getter)
{
var elementDefinition = this.definition.Create <TElement>();
var elementDescriptor =
new TreeEncoderDescriptor <TState, TNative, TElement>(this.converter, elementDefinition);
return(TreeEncoderDescriptor <TState, TNative, TEntity> .BindArray(this.definition, getter, elementDescriptor));
}
public IEncoderDescriptor <TField> HasField <TField>(string name, Func <TEntity, TField> getter)
{
var fieldDefinition = this.definition.Create <TField>();
var fieldDescriptor = new TreeEncoderDescriptor <TState, TNative, TField>(this.converter, fieldDefinition);
return(TreeEncoderDescriptor <TState, TNative, TEntity> .BindField(this.definition, name, this.fields, getter,
fieldDescriptor));
}
public IEncoderDescriptor <TElement> HasElements <TElement>(Func <TEntity, IEnumerable <TElement> > getter,
IEncoderDescriptor <TElement> descriptor)
{
if (!(descriptor is TreeEncoderDescriptor <TState, TNative, TElement> ancestor))
{
throw new ArgumentOutOfRangeException(nameof(descriptor), "incompatible descriptor type");
}
return(TreeEncoderDescriptor <TState, TNative, TEntity> .BindArray(this.definition, getter, ancestor));
}
private static IEncoderDescriptor <TElement> BindArray <TElement>(
IWriterDefinition <TState, TNative, TEntity> parent, Func <TEntity, IEnumerable <TElement> > getter,
TreeEncoderDescriptor <TState, TNative, TElement> elementDescriptor)
{
var elementDefinition = elementDescriptor.definition;
parent.Callback = (reader, state, entity) =>
reader.WriteAsArray(state, getter(entity), elementDefinition.Callback);
return(elementDescriptor);
}
public IEncoderDescriptor <TField> HasField <TField>(string name, Func <TEntity, TField> getter,
IEncoderDescriptor <TField> descriptor)
{
if (!(descriptor is TreeEncoderDescriptor <TState, TNative, TField> ancestor))
{
throw new ArgumentOutOfRangeException(nameof(descriptor), "incompatible descriptor type");
}
return(TreeEncoderDescriptor <TState, TNative, TEntity> .BindField(this.definition, name, this.fields, getter,
ancestor));
}
private static IEncoderDescriptor <TField> BindField <TField>(
IWriterDefinition <TState, TNative, TEntity> parentDefinition,
string name, Dictionary <string, WriterCallback <TState, TNative, TEntity> > parentFields,
Func <TEntity, TField> getter, TreeEncoderDescriptor <TState, TNative, TField> fieldDescriptor)
{
if (parentFields.ContainsKey(name))
{
throw new InvalidOperationException($"field '{name}' was declared twice on same descriptor");
}
parentDefinition.Callback = (reader, state, entity) => reader.WriteAsObject(state, entity, parentFields);
var fieldDefinition = fieldDescriptor.definition;
parentFields[name] = (reader, state, entity) => fieldDefinition.Callback(reader, state, getter(entity));
return(fieldDescriptor);
}
public void HasValue()
{
var converter = this.converter.Get <TEntity>();
TreeEncoderDescriptor <TState, TNative, TEntity> .BindValue(this.definition, converter);
}
