+#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
+#include <climits>
+
+// Local Includes: Application specific classes, functions, and libraries
+#include "asn/utility.hpp"
+#include "asn/buffer.hpp"
+#include "asn/error_context.hpp"
+
+namespace asn {
+namespace ber {
+
+/********************************************************************************
+EncoderCtx
+*********************************************************************************/
+class EncoderCtx : boost::noncopyable
+{
+public:
+ typedef buffer<u8*> buf_type;
+
+ EncoderCtx(u8* data, size_t size)
+ : m_buffer{ m_errCtx }
+ {
+ Reset(data, size);
+ }
+
+ template <size_t SIZE>
+ explicit EncoderCtx(u8(&buff)[SIZE])
+ : EncoderCtx(buff, SIZE)
+ {
+ }
+
+ explicit EncoderCtx()
+ : EncoderCtx(nullptr, 0)
+ {
+ }
+
+ buf_type& refBuffer() { return m_buffer; }
+ error_context& refErrorCtx() { return m_errCtx; }
+ explicit operator bool() const { return static_cast<bool>(m_errCtx); }
+
+ void Reset(void* data = nullptr, size_t size = 0)
+ {
+ m_buffer.reset(static_cast<u8*>(data), size);
+ m_errCtx.reset();
+ }
+
+ //Name of the being processed IE
+ void ie_name(const char* name) { m_errCtx.ie_name(name); }
+ char const* ie_name() const { return m_errCtx.ie_name(); }
+
+private:
+ template <class IE, int IE_TYPE>
+ friend struct Encode;
+
+ error_context m_errCtx;
+ buf_type m_buffer;
+};
+
+
+/********************************************************************************
+DecoderCtx
+*********************************************************************************/
+class DecoderCtx : boost::noncopyable
+{
+public:
+ typedef buffer<u8 const*> buf_type;
+ typedef allocator alloc_type;
+
+ DecoderCtx(const void* data = nullptr, size_t size = 0, void* alloc_buffer = nullptr, size_t alloc_buffer_size = 0)
+ : m_buffer{ m_errCtx }
+ {
+ reset(data, size, alloc_buffer, alloc_buffer_size);
+ }
+
+ buf_type& refBuffer() { return m_buffer; }
+ alloc_type& refAllocator() { return m_allocator; }
+ error_context& refErrorCtx() { return m_errCtx; }
+ explicit operator bool() const { return static_cast<bool>(m_errCtx); }
+
+ void reset(const void* data = nullptr, size_t size = 0, void* alloc_buffer = nullptr, size_t alloc_buffer_size = 0)
+ {
+ m_allocator.reset(alloc_buffer, alloc_buffer_size);
+ m_buffer.reset(static_cast<u8 const*>(data), size);
+ m_errCtx.reset();
+ }
+
+ //Name of the being processed IE
+ void ie_name(const char* name) { m_errCtx.ie_name(name); }
+ char const* ie_name() const { return m_errCtx.ie_name(); }
+
+private:
+ error_context m_errCtx;
+ buf_type m_buffer;
+ alloc_type m_allocator;
+};
+
+} //namespace ber
+} //namespace asn