remaining_length.hpp

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// Copyright Takatoshi Kondo 2015
//
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
 
#if !defined(MQTT_REMAINING_LENGTH_HPP)
#define MQTT_REMAINING_LENGTH_HPP
 
#include <mqtt/namespace.hpp>
#include <mqtt/string_view.hpp>
#include <mqtt/variable_length.hpp>
 
namespace MQTT_NS {
 
inline std::string
remaining_bytes(std::size_t size) {
    std::string bytes = variable_bytes(size);
    if (bytes.empty()) throw remaining_length_error();
    return bytes;
}
 
constexpr std::tuple<std::size_t, std::size_t>
remaining_length(string_view bytes) {
    return variable_length(bytes);
}
 
template <typename Iterator>
constexpr std::tuple<std::size_t, std::size_t>
remaining_length(Iterator b, Iterator e) {
    return variable_length(b, e);
}
 
} // namespace MQTT_NS
 
#endif // MQTT_REMAINING_LENGTH_HPP