X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?p=sim%2Fe2-interface.git;a=blobdiff_plain;f=e2sim%2Fe2apv1sim%2Fe2sim%2Fsrc%2FASN1%2Fasn%2Fper%2Fcontext.hpp;fp=e2sim%2Fe2apv1sim%2Fe2sim%2Fsrc%2FASN1%2Fasn%2Fper%2Fcontext.hpp;h=2a5d7e9892e8b4f969d24627347cd098401db79b;hp=0000000000000000000000000000000000000000;hb=3ebf932d23dcbec9ed19f4a51f9d00a0a54f5124;hpb=6896318f2b4ff01b4a88b16019c3dc93b0b693f5

diff --git a/e2sim/e2apv1sim/e2sim/src/ASN1/asn/per/context.hpp b/e2sim/e2apv1sim/e2sim/src/ASN1/asn/per/context.hpp
new file mode 100755
index 0000000..2a5d7e9
--- /dev/null
+++ b/e2sim/e2apv1sim/e2sim/src/ASN1/asn/per/context.hpp
@@ -0,0 +1,154 @@
+#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 per {
+
+/********************************************************************************
+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(); }
+
+	void container_name(const char* name) { m_errCtx.container_name(name); }
+	char const* container_name() const { return m_errCtx.container_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;
+	typedef u64					map_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();
+		m_map = 0;
+		m_container = nullptr;
+	}
+
+	bool map_elm()
+	{
+		//m_map = (m_map << 1) | (m_map >> (sizeof(m_map)*CHAR_BIT - 1));
+		//return m_map & 1u;
+
+		constexpr map_type mask = ((map_type)1) << (sizeof(map_type)*CHAR_BIT - 1);
+
+		bool rv = m_map & mask;
+		m_map = m_map << 1;
+
+		return rv;
+	}
+
+	map_type set_map(map_type map)
+	{
+		map_type rval = m_map;
+		m_map = map;
+		return rval;
+	}
+
+	map_type get_map() const {return m_map;}
+
+	//Pointer to container (SEQ | CHO)
+	void*					m_container{ nullptr };
+
+	//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(); }
+
+	void container_name(const char* name) { m_errCtx.container_name(name); }
+	char const* container_name() const { return m_errCtx.container_name(); }
+
+private:
+	//Optional or Extension elements' presence bitmap. Used in sequences
+	map_type				m_map{ 0 };
+	error_context			m_errCtx;
+	buf_type				m_buffer;
+	alloc_type				m_allocator;
+};
+
+} //namespace per
+} //namespace asn