public override void InitStats()
{
base.InitStats();
Getters.Add("Killstreak", delegate() { return(Killstreak); });
Setters.Add("Killstreak", delegate(object val) { Killstreak = (int)val; });
}
private void CachePropertyGetter(string propertyName)
{
if (Getters.ContainsKey(propertyName))
{
return;
}
var propInfo = GetType().GetProperty(propertyName);
Getters.Add(propertyName, obj => propInfo.GetValue(obj));
}
public override void InitStats()
{
base.InitStats();
Getters.Add("Deaths", delegate() { return(Deaths); });
Getters.Add("Frags", delegate() { return(Frags); });
Getters.Add("Score", delegate() { return(Score); });
Setters.Add("Deaths", delegate(object val) { Deaths = (int)val; });
Setters.Add("Frags", delegate(object val) { Frags = (int)val; });
Setters.Add("Score", delegate(object val) { Score = (int)val; });
}
private void Initialize(Type type)
{
Type underlying;
if (type.IsNullable(out underlying) && !type.IsNullablePrimitive())
{
Type = underlying;
}
else
{
Type = type;
}
if (Type.IsPrimitive())
{
throw new InvalidOperationException("The primitive type cannot be cached.");
}
Properties = Type.GetProperties(BindingFlags.Public | BindingFlags.Instance).Where(x => x.GetIndexParameters().Length == 0).ToList();
var getters = Type.GetProperties(BindingFlags.Public | BindingFlags.Instance)
.Where(x => x.CanRead && x.GetIndexParameters().Length == 0 && x.GetGetMethod(false) != null);
foreach (var get in getters)
{
var targetParamExp = Expression.Parameter(typeof(object), "target");
var castExp = Expression.Convert(targetParamExp, Type);
var getMethod = get.GetGetMethod();
var getExp = Expression.Call(castExp, getMethod);
var retExp = Expression.Convert(getExp, typeof(object));
var getter = (Func <object, object>)Expression.Lambda(retExp, targetParamExp).Compile();
Getters.Add(new Tuple <PropertyInfo, Func <object, object> >(get, getter));
}
var setters = Type.GetProperties(BindingFlags.Public | BindingFlags.Instance)
.Where(x => x.CanWrite && x.GetIndexParameters().Length == 0 && x.GetSetMethod(false) != null);
if (!Type.IsValueType())
{
foreach (var set in setters)
{
var targetParamExp = Expression.Parameter(typeof(object), "target");
var valueParamExp = Expression.Parameter(typeof(object), "val");
var setMethod = set.GetSetMethod();
var castTargetExp = Expression.Convert(targetParamExp, Type);
var testValueExp = Expression.NotEqual(valueParamExp, Expression.Constant(null));
var castValueExp = Expression.Convert(valueParamExp, set.PropertyType);
var setValueExp = Expression.Call(castTargetExp, setMethod, castValueExp);
var testExp = Expression.IfThen(testValueExp, setValueExp);
var setter = (Action <object, object>)Expression.Lambda(testExp, targetParamExp, valueParamExp).Compile();
Setters.Add(new Tuple <PropertyInfo, Action <object, object> >(set, setter));
}
Constructor = Type.GetConstructor(Type.EmptyTypes);
if (Constructor != null)
{
var newExp = Expression.New(Constructor);
Launcher = (Func <object>)Expression.Lambda(newExp).Compile();
}
}
else
{
foreach (var set in setters)
{
Action <object, object> setter = (target, val) => set.SetValue(target, val, null);
Setters.Add(new Tuple <PropertyInfo, Action <object, object> >(set, setter));
}
var newExp = Expression.New(Type);
var convertExp = Expression.Convert(newExp, typeof(object));
Launcher = (Func <object>)Expression.Lambda(convertExp).Compile();
}
// TODO: abstract? inherit?
}
public void AddGetter(string getter) => Getters.Add(getter);
private bool ExtractAccessors(MemberInfo member, string fieldName, ref Type dataType, ref bool isKey)
{
// Locals
var getter = default(FieldGetterDelegate);
var setter = default(FieldSetterDelegate);
// Homogenize fields and properties
switch (member.MemberType)
{
case System.Reflection.MemberTypes.Field:
var field = ((FieldInfo)member);
dataType = field.FieldType;
getter = field.GetValue;
setter = field.SetValue;
break;
case System.Reflection.MemberTypes.Property:
var property = ((PropertyInfo)member);
dataType = property.PropertyType;
getter = property.GetValue;
setter = property.SetValue;
break;
default:
// Ignore other member types
return(false);
}
// Inspect fields for key, specifiable/actual data type
var bigtableKey = member.GetCustomAttribute <BigTableKeyAttribute>();
var genDataType = dataType.IsGenericType ? dataType.GetGenericTypeDefinition() : null;
var isBigField = genDataType == typeof(BigTableField <>);
var isBigKey = genDataType == typeof(BigTableKey <>);
isKey = bigtableKey != null || genDataType == typeof(BigTableKey <>);
var isBigWrapper = isBigField || isBigKey;
IsBigBoxed.Add(fieldName, isBigWrapper);
// Store accessors
if (isBigWrapper)
{
var subDataType = dataType.GenericTypeArguments[0];
var access = isKey ? (BigAccess)GetKeyAccess(subDataType) : GetFieldAccess(subDataType);
IsSpecified.Add(fieldName, target => ((IBigTableField)getter(target)).IsSpecified);
Getters.Add(fieldName, target => access.ValueGetter(getter(target)));
var useDataType = dataType;
Setters.Add(fieldName, (target, value) =>
{
var newValue = Activator.CreateInstance(useDataType);
access.ValueSetter(newValue, value);
setter(target, newValue);
});
dataType = subDataType;
}
else
{
IsSpecified.Add(fieldName, target => true);
Getters.Add(fieldName, getter);
Setters.Add(fieldName, setter);
}
// Indicate is property of field
return(true);
}
