+++ /dev/null
-#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"
-
-namespace asn {
-namespace per {
-
-template < class IE, class Enable = void>
-struct Octetstring;
-
-//16.8 Default
-template <class IE, class Enabler = void>
-struct OctetstringNoExt
-{
- static void inline run(IE const& ie, EncoderCtx& ctx)
- {
- bound_t size = ie.get().size();
- LengthDeterminant<typename IE::constraint_t>::run(ctx, size);
- Tools::bit_accessor::padByte(ctx.refBuffer());
- ctx.refBuffer().putBytes(ie.get().data(), size);
- }
- static void inline run(IE& ie, DecoderCtx& ctx)
- {
- size_t len = LengthDeterminant<typename IE::constraint_t>::run(ctx, false);
- Tools::bit_accessor::padByte(ctx.refBuffer());
- u8 const* data_in = ctx.refBuffer().getBytes(len);
-
- if (data_in)
- {
- ie.set(len, data_in);
- }
-
- }
-};
-
-//16.5 Zero length
-template <class IE>
-struct OctetstringNoExt<IE, std::enable_if_t< (IE::constraint_t::upper_bound == 0)> >
-{
- static void inline run(IE const& ie, EncoderCtx& ctx) {/* do nothing */ }
- static void inline run(IE& ie, DecoderCtx& ctx) { ie.setpresent(true); }
-};
-
-//16.6 Up to two octets, fixed length
-template <class IE>
-struct OctetstringNoExt<IE, std::enable_if_t<
- ((IE::constraint_t::upper_bound == IE::constraint_t::lower_bound) && (IE::constraint_t::upper_bound == 1))
->>
-{
- static void inline run(IE const& ie, EncoderCtx& ctx)
- {
- Tools::bit_accessor::put(static_cast<u8>(ie.get().data()[0]), 8, ctx.refBuffer());
- }
- static void inline run(IE& ie, DecoderCtx& ctx)
- {
- u8 data_in = Tools::bit_accessor::get(8, ctx.refBuffer());
- u8* data_out = ctx.refAllocator().alloc_bytes(1);
- if (data_out) {
- data_out[0] = data_in;
- ie.set(1, data_out);
- }
- else
- ctx.refErrorCtx().allocatorNoMem(0, 1);
- }
-};
-
-template <class IE>
-struct OctetstringNoExt<IE, std::enable_if_t<
- ((IE::constraint_t::upper_bound == IE::constraint_t::lower_bound) && (IE::constraint_t::upper_bound == 2))
->>
-{
- static void inline run(IE const& ie, EncoderCtx& ctx)
- {
- Tools::bit_accessor::put(static_cast<u8>(ie.get().data()[0]), 8, ctx.refBuffer());
- Tools::bit_accessor::put(static_cast<u8>(ie.get().data()[1]), 8, ctx.refBuffer());
- }
- static void inline run(IE& ie, DecoderCtx& ctx)
- {
- u8 data_in[2];
- data_in[0] = Tools::bit_accessor::get(8, ctx.refBuffer());
- data_in[1] = Tools::bit_accessor::get(8, ctx.refBuffer());
- u8* data_out = ctx.refAllocator().alloc_bytes(sizeof(data_in));
- if (data_out) {
- data_out[0] = data_in[0];
- data_out[1] = data_in[1];
- ie.set(sizeof(data_in), data_out);
- }
- else
- ctx.refErrorCtx().allocatorNoMem(0, sizeof(data_in));
- }
-};
-
-//16.7 More than 2 octets, up to 64K, fixed length
-template <class IE>
-struct OctetstringNoExt<IE, std::enable_if_t<
- ((IE::constraint_t::upper_bound == IE::constraint_t::lower_bound) && (IE::constraint_t::upper_bound < 65536) && (IE::constraint_t::upper_bound > 2))
->>
-{
- static void inline run(IE const& ie, EncoderCtx& ctx)
- {
- Tools::bit_accessor::padByte(ctx.refBuffer());
- ctx.refBuffer().putBytes(ie.get().data(), ie.get().size());
- }
- static void inline run(IE& ie, DecoderCtx& ctx)
- {
- Tools::bit_accessor::padByte(ctx.refBuffer());
- const size_t len = (size_t)IE::constraint_t::upper_bound;
- u8 const* data_in = ctx.refBuffer().getBytes(len);
- if (data_in)
- {
- ie.set(len, data_in);
- }
- }
-};
-
-/**************************************************/
-
-//16.3 : Extension present
-template <class IE>
-struct Octetstring<IE, std::enable_if_t<(IE::constraint_t::extended == true)> >
-{
- static void inline run(IE const& ie, EncoderCtx& ctx)
- {
- bound_t size = ie.get().size();
- if (size <= IE::constraint_t::upper_bound && size >= IE::constraint_t::lower_bound)
- {
- Tools::bit_accessor::put(0, 1, ctx.refBuffer());
- OctetstringNoExt<IE>::run(ie, ctx);
- }
- else
- {
- Tools::bit_accessor::put(1, 1, ctx.refBuffer());
- Tools::bit_accessor::padByte(ctx.refBuffer());
- LengthDeterminant<typename IE::constraint_t>::run(ctx, size);
- Tools::bit_accessor::padByte(ctx.refBuffer());
- ctx.refBuffer().putBytes(ie.get().data(), size);
- }
- }
- static void inline run(IE& ie, DecoderCtx& ctx)
- {
- u8 ext = Tools::bit_accessor::get(1, ctx.refBuffer());
- if (ext)
- {
- Tools::bit_accessor::padByte(ctx.refBuffer());
- size_t len = LengthDeterminant<typename IE::constraint_t>::run(ctx, true);
- Tools::bit_accessor::padByte(ctx.refBuffer());
- u8 const* data_in = ctx.refBuffer().getBytes(len);
- if (data_in)
- {
- ie.set(len, data_in);
- }
- }
- else
- OctetstringNoExt<IE>::run(ie, ctx);
- }
-};
-
-//16.4 : No extension
-template <class IE>
-struct Octetstring<IE, std::enable_if_t<(IE::constraint_t::extended == false)> >
-{
- static void inline run(IE const& ie, EncoderCtx& ctx)
- {
- if ( ie.get().size() > size_t(IE::constraint_t::upper_bound) ||
- (IE::constraint_t::lower_bound >= 0 && ie.get().size() < size_t(IE::constraint_t::lower_bound)))
- {
- ctx.refErrorCtx().sizeRangeError(ie.get().size(), size_t(IE::constraint_t::lower_bound),
- size_t(IE::constraint_t::upper_bound));
- }
- else
- {
- OctetstringNoExt<IE>::run(ie, ctx);
- }
- }
- static void inline run(IE& ie, DecoderCtx& ctx)
- {
- OctetstringNoExt<IE>::run(ie, ctx);
- if ( ie.get().size() > size_t(IE::constraint_t::upper_bound) ||
- (IE::constraint_t::lower_bound >= 0 && ie.get().size() < size_t(IE::constraint_t::lower_bound)))
- {
- ctx.refErrorCtx().sizeRangeError(ie.get().size(), size_t(IE::constraint_t::lower_bound),
- size_t(IE::constraint_t::upper_bound));
- }
- }
-};
-
-} //namespace per
-} //namespace asn
Code Review / sim / e2-interface.git / blobdiff