public ISqlConverter CreateConverter()
{
var ctor = _type.GetConstructor(_args.Select(x => x.GetType()).ToArray());
if (ctor == null)
{
throw PtixedException.MissingImplementation(_type, ".ctor");
}
return((ISqlConverter)ctor.Invoke(_args));
}
public object this[string key]
{
get
{
if (_dict.Value.TryGetValue(key, out object value))
{
return(value);
}
throw PtixedException.ColumnNotFound(key);
}
}
public static object Execute(Expression expr)
{
switch (expr)
{
case ConstantExpression ce:
return(ce.Value);
case MemberExpression me:
var owner = Execute(me.Expression);
return(GetValue(me.Member, owner));
default:
throw PtixedException.InvalidExpression(expr);
}
}
public static object GetValue(MemberInfo member, object owner)
{
var accessor = TypeAccessor.Get(member.DeclaringType);
switch (member)
{
case FieldInfo fi:
return(accessor[owner, fi]);
case PropertyInfo pi:
return(accessor[owner, pi]);
default:
throw PtixedException.InvalidExpression(member);
}
}
