/*

 * Copyright (c) 2014-2019 Spotify AB

 *

 * 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.

 */

#pragma once

#include <cstddef>

#include <spotify/json/decode_exception.hpp>

#include <spotify/json/detail/cpuid.hpp>

#include <spotify/json/detail/macros.hpp>

namespace spotify {

namespace json {

/**

 * A decode_context has the information that is kept while decoding JSON with

 * codecs. It has information about the data to read and whether the decoding

 * has failed.

 */

struct decode_context final {

  decode_context(const char *begin, const char *end);

  decode_context(const char *data, size_t size);

  json_force_inline size_t offset() const {

    return (position - begin);

  }

  json_force_inline size_t offset(const ptrdiff_t d) const {

    return offset() + d;

  }

  json_force_inline size_t remaining() const {

    return (end - position);

  }

  const bool has_sse42;

  const char *position;

  const char *const begin;

  const char *const end;

};

}  // namespace json

}  // namespace spotify