string_check.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_STRING_CHECK_HPP)
#define MQTT_STRING_CHECK_HPP
 
#include <mqtt/namespace.hpp>
#include <mqtt/utf8encoded_strings.hpp>
#include <mqtt/exception.hpp>
#include <mqtt/string_view.hpp>
#include <mqtt/const_buffer_util.hpp>
 
namespace as = boost::asio;
 
namespace MQTT_NS {
 
inline void utf8string_check(string_view str) {
    if (!utf8string::is_valid_length(str)) throw utf8string_length_error();
    auto r = utf8string::validate_contents(str);
    if (r != utf8string::validation::well_formed) {
        throw utf8string_contents_error(r);
    }
}
 
inline void utf8string_check(as::const_buffer str) {
    utf8string_check(string_view(get_pointer(str), get_size(str)));
}
 
} // namespace MQTT_NS
 
#endif // MQTT_STRING_CHECK_HPP