public static Type GetTypeForSchema(this ISchemaTypeMap typeMap, Schema schema)
{
Type type;
if (!typeMap.TryGetTypeForSchema(schema, out type))
{
throw new MissingTypeMappingException(schema);
}
return(type);
}
public void ApplyToObject(object target, ICursor source)
{
var type = target.GetType();
var schema = source.Schema;
if (schema.DataType == DataType.Class)
{
var fields = type.GetTypeInfo().GetFields(BindingFlags.Public | BindingFlags.Instance);
foreach (var f in fields)
{
object value;
if (TryGetValueForProperty(source, f.Name, f.FieldType, out value))
{
f.SetValue(target, value);
}
}
var properties = type.GetTypeInfo().GetProperties(BindingFlags.Public | BindingFlags.Instance);
foreach (var p in properties.Where(x => x.CanWrite))
{
object value;
if (TryGetValueForProperty(source, p.Name, p.PropertyType, out value))
{
var setter = p.GetSetMethod();
setter.Invoke(target, new [] { value });
}
}
if (schema.Id == (int)BuiltInSchema.Item &&
(!type.GetTypeInfo().IsGenericType || type.GetGenericTypeDefinition() != typeof(Item <>)) &&
typeof(Item).GetTypeInfo().IsAssignableFrom(type))
{
ICursor propertyCursor = source.GoTo((int)ItemLayout.Data, true);
ApplyToObject(target, propertyCursor);
}
}
else if (schema.DataType == DataType.List || schema.DataType == DataType.MultiChoice)
{
if (type.IsArray)
{
int i = 0;
var targetArray = (Array)target;
foreach (var v in source.Children.Select(FromCursor))
{
targetArray.SetValue(v, i++);
}
}
else
{
Schema itemSchema;
if (schema.DataType == DataType.MultiChoice)
{
itemSchema = Schema.BuiltIn[BuiltInSchema.Int32];
}
else
{
itemSchema = schema[0].Schema;
}
if (itemSchema.Id == (int)BuiltInSchema.Variable)
{
foreach (var itemCursor in source.Children)
{
object value = this.FromCursor(itemCursor);
if (value == null)
{
continue;
}
var addMethod = type.GetTypeInfo().GetMethod("Add", new Type[] { value.GetType() });
if (addMethod != null)
{
addMethod.Invoke(target, new object[] { value });
}
}
}
else
{
Type itemType;
if (schemaTypeMap.TryGetTypeForSchema(itemSchema, out itemType))
{
var addMethod = type.GetTypeInfo().GetMethod("Add", new Type[] { itemType });
if (addMethod == null)
{
return;
}
foreach (var itemCursor in source.Children)
{
object value = this.FromCursor(itemCursor);
if (!itemType.GetTypeInfo().IsAssignableFrom(value.GetType()))
{
value = Convert.ChangeType(value, itemType);
}
addMethod.Invoke(target, new object[] { value });
}
}
}
}
}
}
