player_network.cpp

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/*
    Copyright (C) 2003 - 2025
    by David White <dave@whitevine.net>, Tomasz Sniatowski <kailoran@gmail.com>
    Part of the Battle for Wesnoth Project https://www.wesnoth.org/
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY.
 
    See the COPYING file for more details.
*/
 
#include "server/wesnothd/player_network.hpp"
#include "log.hpp"
#include "serialization/unicode.hpp"
 
lg::log_domain log_config_pn("config");
#define WRN_CONFIG LOG_STREAM(warn, log_config_pn)
 
namespace wesnothd {
 
namespace chat_message {
 
const std::size_t max_message_length = 256;
 
void truncate_message(const simple_wml::string_span& str, simple_wml::node& message)
{
    // testing for msg.size() is not sufficient but we're not getting false negatives
    // and it's cheaper than always converting to std::u32string.
    if(str.size() > static_cast<int>(chat_message::max_message_length)) {
        std::string tmp(str.begin(), str.end());
        // The string can contain utf-8 characters so truncate as std::u32string otherwise
        // a corrupted utf-8 string can be returned.
        utf8::truncate_as_ucs4(tmp, max_message_length);
        message.set_attr_dup("message", tmp.c_str());
    }
}
 
} // end chat_message namespace
 
} //end namespace wesnothd