rlp.cpp

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// Copyright (c) 2021 MIT Digital Currency Initiative,
//                    Federal Reserve Bank of Boston
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
#include "rlp.hpp"
 
namespace cbdc {
    rlp_value::rlp_value() : m_type(rlp_value_type::buffer) {}
    rlp_value::rlp_value(rlp_value_type type) : m_type(type) {}
    rlp_value::rlp_value(const buffer& data) : m_type(rlp_value_type::buffer) {
        assign(data);
    }
    void rlp_value::assign(const buffer& data) {
        m_buffer.clear();
        m_buffer.extend(data.size());
        std::memcpy(m_buffer.data(), data.data(), data.size());
    }
    auto rlp_value::push_back(const rlp_value& val) -> bool {
        auto ret = (m_type == rlp_value_type::array);
        if(ret) {
            m_values.push_back(val);
        }
        return ret;
    }
 
    auto rlp_value::value_at(size_t idx) const -> rlp_value {
        return m_values.at(idx);
    }
 
    auto rlp_value::data() const -> const void* {
        return m_buffer.data();
    }
 
    auto rlp_value::size() const -> size_t {
        if(m_type == rlp_value_type::array) {
            return m_values.size();
        }
        return m_buffer.size();
    }
 
    auto rlp_value::type() const -> rlp_value_type {
        return m_type;
    }
}