Enhanced SIM for E2AP v1 for TS UC

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

diff --git a/e2sim/e2apv1sim/src/ASN1/asn/ber/tools.hpp b/e2sim/e2apv1sim/src/ASN1/asn/ber/tools.hpp
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+#pragma once
+/******************************************************************************
+*
+*   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.
+*
+******************************************************************************/
+
+// Standard Includes: ANSI C/C++, MSA, and Third-Party Libraries
+
+// Local Includes: Application specific classes, functions, and libraries
+
+namespace asn {
+namespace ber {
+
+struct Tools
+{
+       typedef bit_accessor_cross_byte<false> bit_accessor;
+
+
+       template<typename T>
+       static void put_bytes(T value, size_t length, EncoderCtx& ctx)
+       {
+               auto & buffer = ctx.refBuffer();
+               
+               size_t shift = (length - 1) << 3;
+               for(size_t i = 0; i < length; ++i)
+               {
+                       buffer.putByte(static_cast<uint8_t>(value >> shift));
+                       shift -= 8;
+               }
+       }
+       
+       template<typename T>
+       static void get_bytes(T& value, size_t length, DecoderCtx& ctx)
+       {
+               auto & buffer = ctx.refBuffer();
+               
+               value = 0;
+               uint8_t const* data = buffer.getBytes(length);
+               
+               if(data)
+               {
+                       value = data[0];
+                       for(size_t i = 1; i < length; ++i)
+                       {
+                               value <<= 8;
+                               value |= data[i];
+                       }
+               }
+       }
+
+};
+
+} //namespace ber
+} //namespace asn