Enhanced SIM for E2AP v1 for TS UC

[sim/e2-interface.git] / e2sim / e2apv1sim / src / ASN1 / asn / value_traits.hpp

diff --git a/e2sim/e2apv1sim/src/ASN1/asn/value_traits.hpp b/e2sim/e2apv1sim/src/ASN1/asn/value_traits.hpp
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+++ b/e2sim/e2apv1sim/src/ASN1/asn/value_traits.hpp
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+#ifndef _STDEX_VALUE_TRAITS_HPP_INCLUDED_
+#define _STDEX_VALUE_TRAITS_HPP_INCLUDED_
+
+/******************************************************************************
+*
+*   Copyright (c) 2019 AT&T Intellectual Property.
+*   Copyright (c) 2018-2019 Nokia.
+*
+*   Licensed under the Apache License, Version 2.0 (the "License");
+*   you may not use this file except in compliance with the License.
+*   You may obtain a copy of the License at
+*
+*       http://www.apache.org/licenses/LICENSE-2.0
+*
+*   Unless required by applicable law or agreed to in writing, software
+*   distributed under the License is distributed on an "AS IS" BASIS,
+*   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+*   See the License for the specific language governing permissions and
+*   limitations under the License.
+*
+******************************************************************************/
+
+#include <boost/utility.hpp>
+#include <boost/mpl/int.hpp>
+#include <boost/mpl/less_equal.hpp>
+#include <boost/mpl/greater.hpp>
+#include <boost/mpl/and.hpp>
+
+#include "type_defs.h"
+
+namespace stdex {
+namespace value {
+
+namespace mpl = boost::mpl;
+
+//NOTE! length is in bits
+typedef mpl::int_<8>   _8;
+typedef mpl::int_<16>  _16;
+typedef mpl::int_<24>  _24;
+typedef mpl::int_<32>  _32;
+typedef mpl::int_<40>  _40;
+typedef mpl::int_<48>  _48;
+typedef mpl::int_<56>  _56;
+typedef mpl::int_<64>  _64;
+
+template<int num_bits>
+struct bits_to_bytes : mpl::int_< (num_bits + 7) / 8 > {};
+
+/******************************************************************************
+* Class:               value::traits<LEN>
+* Description: select min integer type to fit LEN bits
+* Notes:               LEN is positive integer type (mpl::int_) = number of bits
+******************************************************************************/
+template <class LEN, typename Enabler = void> struct traits;
+
+template <class LEN>
+struct traits<LEN, typename boost::enable_if<
+               mpl::less_equal<LEN, _8>
+       >::type
+>
+{
+       typedef _8            value_length;
+       typedef u8            value_type;
+       typedef value_type    param_type;
+};
+
+template <class LEN>
+struct traits<LEN, typename boost::enable_if<
+               mpl::and_<mpl::greater<LEN, _8>, mpl::less_equal<LEN, _16> >
+       >::type
+>
+{
+       typedef _16           value_length;
+       typedef u16           value_type;
+       typedef value_type    param_type;
+};
+
+template <class LEN>
+struct traits<LEN, typename boost::enable_if<
+               mpl::and_<mpl::greater<LEN, _16>, mpl::less_equal<LEN, _24> >
+       >::type
+>
+{
+       typedef _24           value_length;
+       typedef u32           value_type;
+       typedef value_type    param_type;
+};
+
+template <class LEN>
+struct traits<LEN, typename boost::enable_if<
+               mpl::and_<mpl::greater<LEN, _24>, mpl::less_equal<LEN, _32> >
+       >::type
+>
+{
+       typedef _32           value_length;
+       typedef u32           value_type;
+       typedef value_type    param_type;
+};
+
+template <class LEN>
+struct traits<LEN, typename boost::enable_if<
+               mpl::and_<mpl::greater<LEN, _32>, mpl::less_equal<LEN, _40> >
+       >::type
+>
+{
+       typedef _40           value_length;
+       typedef u64           value_type;
+       typedef value_type    param_type;
+};
+
+template <class LEN>
+struct traits<LEN, typename boost::enable_if<
+               mpl::and_<mpl::greater<LEN, _40>, mpl::less_equal<LEN, _48> >
+       >::type
+>
+{
+       typedef _48           value_length;
+       typedef u64           value_type;
+       typedef value_type    param_type;
+};
+
+template <class LEN>
+struct traits<LEN, typename boost::enable_if<
+               mpl::and_<mpl::greater<LEN, _48>, mpl::less_equal<LEN, _56> >
+       >::type
+>
+{
+       typedef _56           value_length;
+       typedef u64           value_type;
+       typedef value_type    param_type;
+};
+
+template <class LEN>
+struct traits<LEN, typename boost::enable_if<
+               mpl::and_<mpl::greater<LEN, _56>, mpl::less_equal<LEN, _64> >
+       >::type
+>
+{
+       typedef _64           value_length;
+       typedef u64           value_type;
+       typedef value_type    param_type;
+};
+
+template <class LEN>
+struct traits<LEN, typename boost::enable_if<
+               mpl::greater<LEN, _64>
+       >::type
+>
+{
+       typedef LEN                         value_length;
+       struct value_type {u8 value[bits_to_bytes<LEN::value>::value];};
+       typedef value_type const&           param_type;
+};
+
+
+//template <class LEN>
+//struct traits<LEN,
+//     typename boost::enable_if<
+//             mpl::greater<LEN, _32>
+//     >::type
+//>
+//{
+//     typedef LEN                                     value_length;
+//     struct value_type {unsigned char value[LEN::value/8];};
+//     typedef value_type const&       param_type;
+//
+//};
+
+/******************************************************************************
+* Class:               value::traits_c<BITS>
+* Description: select min integer type to fit BITS bits
+* Notes:               N is positive integer value = number of bits
+******************************************************************************/
+template <size_t BITS>
+struct traits_c : traits<boost::mpl::int_<BITS> >
+{
+};
+
+}      //end:  namespace value
+
+}      //end:  namespace stdex
+
+#ifdef _MSC_VER
+#pragma component( mintypeinfo, off )
+#endif
+
+#endif //_STDEX_VALUE_TRAITS_HPP_INCLUDED_