/* -*- Mode: C++; tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/*
 *   Copyright 2020-2021 Couchbase, Inc.
 *
 *   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 "mcbp_message.hxx"

#include <iterator>

namespace couchbase::core::io
{
struct mcbp_parser {
    enum class result { ok, need_data, failure };

    template<typename Iterator>
    void feed(Iterator begin, Iterator end)
    {
        buf.reserve(buf.size() + static_cast<std::size_t>(std::distance(begin, end)));
        buf.insert(buf.end(), begin, end);
    }

    void reset()
    {
        buf.clear();
    }

    result next(mcbp_message& msg);

    std::vector<std::byte> buf;
};
} // namespace couchbase::core::io