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%2Fcodec.hpp;fp=e2sim%2Fe2apv1sim%2Fe2sim%2Fsrc%2FASN1%2Fasn%2Fper%2Fcodec.hpp;h=176792ae881a49eb1601f7ee9167c24492e46734;hp=0000000000000000000000000000000000000000;hb=3ebf932d23dcbec9ed19f4a51f9d00a0a54f5124;hpb=6896318f2b4ff01b4a88b16019c3dc93b0b693f5

diff --git a/e2sim/e2apv1sim/e2sim/src/ASN1/asn/per/codec.hpp b/e2sim/e2apv1sim/e2sim/src/ASN1/asn/per/codec.hpp
new file mode 100755
index 0000000..176792a
--- /dev/null
+++ b/e2sim/e2apv1sim/e2sim/src/ASN1/asn/per/codec.hpp
@@ -0,0 +1,325 @@
+#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
+#include "asn/per/common.hpp"
+#include "asn/elements.hpp"
+#include "asn/per/context.hpp"
+#include "asn/per/length.hpp"
+#include "asn/per/integer.hpp"
+#include "asn/per/enumerated.hpp"
+#include "asn/per/ostring.hpp"
+#include "asn/per/bstring.hpp"
+#include "asn/per/sequence_of.hpp"
+#include "asn/per/sequence.hpp"
+#include "asn/per/choice.hpp"
+#include "asn/per/visitor.hpp"
+#include "asn/per/oid.hpp"
+
+namespace asn {
+namespace per {
+
+/********************************************************************************
+pack
+*********************************************************************************/
+template <class IE>
+bool pack(IE const& ie, EncoderCtx& ctx)
+{
+	ctx.refErrorCtx().reset();
+	Element<IE, IE::ie_type>::run(ie, ctx);
+
+	if (ctx)
+		Tools::bit_accessor::padByte(ctx.refBuffer());
+
+	return static_cast<bool>(ctx);
+}
+/********************************************************************************
+unpack
+*********************************************************************************/
+template <class IE>
+bool unpack(IE& ie, DecoderCtx& ctx)
+{
+	Element<IE, IE::ie_type>::run(ie, ctx);
+	
+	if (ctx)
+		Tools::bit_accessor::padByte(ctx.refBuffer());
+	
+	if(ctx && ctx.refBuffer().getBytesLeft())
+	{
+		ctx.ie_name(IE::name());
+		ctx.refErrorCtx().lengthErrorBytes(ctx.refBuffer().getBytesLeft(), 0);
+	}
+	
+	return static_cast<bool>(ctx);
+}
+
+/***************************************************************************************
+* ElementType
+***************************************************************************************/
+template <class IE, element_type IE_TYPE>
+struct ElementType;
+
+/***************************************************************************************
+* BOOLEAN: Encoding the boolean type (X.691 11)
+***************************************************************************************/
+template <class IE>
+struct ElementType<IE, element_type::T_BOOLEAN>
+{
+protected:
+	template <class, element_type> friend struct Element;
+
+	static void inline run(IE const& ie, EncoderCtx& ctx)
+	{
+		Tools::bit_accessor::put(static_cast<u8>(ie.get()), 1, ctx.refBuffer());
+	}
+
+	static void inline run(IE& ie, DecoderCtx& ctx)
+	{
+		ie.set(0 != Tools::bit_accessor::get(1, ctx.refBuffer()));
+	}
+};
+/***************************************************************************************
+* INTEGER: Encoding the integer type (X.691 12)
+***************************************************************************************/
+template <class IE>
+struct ElementType<IE, element_type::T_INTEGER>
+{
+protected:
+	template <class, element_type> friend struct Element;
+
+	static void inline run(IE const& ie, EncoderCtx& ctx)
+	{
+		Integer<IE>::run(ie, ctx);
+	}
+	static void inline run(IE& ie, DecoderCtx& ctx)
+	{
+		Integer<IE>::run(ie, ctx);
+	}
+};
+/***************************************************************************************
+* ENUMERATED: Encoding the enumerated type (X.691 13)
+***************************************************************************************/
+template <class IE>
+struct ElementType<IE, element_type::T_ENUMERATED>
+{
+protected:
+	template <class, element_type> friend struct Element;
+
+	static void inline run(IE const& ie, EncoderCtx& ctx)
+	{
+		Enumerated<IE>::run(ie, ctx);
+	}
+	static void inline run(IE& ie, DecoderCtx& ctx)
+	{
+		Enumerated<IE>::run(ie, ctx);
+	}
+};
+/***************************************************************************************
+* BIT STRING: Encoding the bitstring type (X.691 15)
+***************************************************************************************/
+template <class IE>
+struct ElementType<IE, element_type::T_BITSTRING>
+{
+protected:
+	template <class, element_type> friend struct Element;
+
+	static void inline run(IE const& ie, EncoderCtx& ctx)
+	{
+		Bitstring<IE>::run(ie, ctx);
+	}
+	static void inline run(IE& ie, DecoderCtx& ctx)
+	{
+		ie.clear();
+		Bitstring<IE>::run(ie, ctx);
+	}
+};
+/***************************************************************************************
+* OCTET STRING: Encoding the octetstring type (X.691 16)
+***************************************************************************************/
+template <class IE>
+struct ElementType<IE, element_type::T_OCTETSTRING>
+{
+protected:
+	template <class, element_type> friend struct Element;
+
+	static void inline run(IE const& ie, EncoderCtx& ctx)
+	{
+		Octetstring<IE>::run(ie, ctx);
+	}
+	static void inline run(IE& ie, DecoderCtx& ctx)
+	{
+		ie.clear();
+		Octetstring<IE>::run(ie, ctx);
+	}
+};
+/***************************************************************************************
+* NULL: Encoding the null type (X.691 17)
+***************************************************************************************/
+template <class IE>
+struct ElementType<IE, element_type::T_NULL>
+{
+protected:
+	template <class, element_type> friend struct Element;
+
+	static void inline run(IE const& ie, EncoderCtx& ctx) {	/*do nothing*/ }
+	static void inline run(IE& ie, DecoderCtx& ctx)
+	{
+		ie.setpresent(true);
+	}
+};
+/***************************************************************************************
+* SEQUENCE: Encoding the sequence type (X.691 18)
+***************************************************************************************/
+template <class IE>
+struct ElementType<IE, element_type::T_SEQUENCE>
+{
+protected:
+	template <class, element_type> friend struct Element;
+
+	static void inline run(IE const& ie, EncoderCtx& ctx)
+	{
+		ctx.container_name(IE::name());
+		Seq<IE>::run(ie, ctx);
+	}
+	static void inline run(IE& ie, DecoderCtx& ctx)
+	{
+		ctx.m_container = &ie;
+		Seq<IE>::run(ie, ctx);
+		ctx.m_container = nullptr;
+	}
+};
+/***************************************************************************************
+* SEQUENCE OF: Encoding the sequence-of type (X.691 19)
+***************************************************************************************/
+template <class IE>
+struct ElementType<IE, element_type::T_SEQUENCE_OF>
+{
+protected:
+	template <class, element_type> friend struct Element;
+
+	static void inline run(IE const& ie, EncoderCtx& ctx)
+	{
+		ctx.container_name(IE::name());
+		SequenceOf<IE>::run(ie, ctx);
+
+		for (auto& elem : ie)
+			Element<typename IE::element_t, IE::element_t::ie_type>::run(elem, ctx);
+	}
+	static void inline run(IE& ie, DecoderCtx& ctx)
+	{
+		ie.clear();
+		SequenceOf<IE>::run(ie, ctx);
+
+		for (auto & elem : ie)
+			Element<typename IE::element_t, IE::element_t::ie_type>::run(elem, ctx);
+	}
+};
+/***************************************************************************************
+* SET: Encoding the set type (X.691 20)
+***************************************************************************************/
+
+
+/***************************************************************************************
+* SET OF: Encoding the set-of type (X.691 21)
+***************************************************************************************/
+
+/***************************************************************************************
+* CHOICE: Encoding the choice type (X.691 22)
+***************************************************************************************/
+template <class IE>
+struct ElementType<IE, element_type::T_CHOICE>
+{
+protected:
+	template <class, element_type> friend struct Element;
+
+	static void inline run(IE const& ie, EncoderCtx& ctx)
+	{
+		if(ie.is_valid())
+		{
+			ctx.container_name(IE::name());
+			Choice<IE>::run(ie, ctx);
+		}
+		else
+			ctx.refErrorCtx().tagError(ie.get_index());
+	}
+	static void inline run(IE& ie, DecoderCtx& ctx)
+	{
+		ie.clear();
+		ctx.m_container = &ie;
+		Choice<IE>::run(ie, ctx);
+		ctx.m_container = nullptr;
+	}
+};
+
+/***************************************************************************************
+* IE_OBJECT_IDENTIFIER: Encoding the object identifier type (X.691 23)
+***************************************************************************************/
+template <class IE>
+struct ElementType<IE, element_type::T_OBJECTIDENTIFIER>
+{
+protected:
+	template <class, element_type> friend struct Element;
+
+	static void inline run(IE const& ie, EncoderCtx& ctx)
+	{
+		Oid<IE>::run(ie, ctx);
+	}
+	static void inline run(IE& ie, DecoderCtx& ctx)
+	{
+		ie.clear();
+		Oid<IE>::run(ie, ctx);
+	}
+};
+
+/***************************************************************************************
+* COMMON: Element
+***************************************************************************************/
+template <class IE, element_type IE_TYPE>
+struct Element
+{
+	static void inline run(IE const& ie, EncoderCtx& ctx)
+	{
+		if (ctx)
+		{
+			ASN_ENCODER_TRACE("IE<type=%d name=%s> buffer: %s", static_cast<int>(IE_TYPE), IE::name(), ctx.refBuffer().toString());
+			ctx.ie_name(IE::name());
+			if (IE_TYPE != element_type::T_SEQUENCE && !ie.is_valid())
+			{
+				ctx.refErrorCtx().errorNoMandatory();
+			}
+			else
+				ElementType<IE, IE_TYPE>::run(ie, ctx);
+		}
+	}
+	static void inline run(IE& ie, DecoderCtx& ctx)
+	{
+		if (ctx)
+		{
+			ASN_DECODER_TRACE("IE<type=%d name=%s> buffer: %s", static_cast<int>(IE_TYPE), IE::name(), ctx.refBuffer().toString());
+			ctx.ie_name(IE::name());
+			ElementType<IE, IE_TYPE>::run(ie, ctx);
+		}
+	}
+};
+
+} //namespace per
+} //namespace asn