polardbxengine/plugin/polarx_rpc/helper/to_string.h

56 lines
1.8 KiB
C++

/*
* Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2.0,
* as published by the Free Software Foundation.
*
* This program is also distributed with certain software (including
* but not limited to OpenSSL) that is licensed under separate terms,
* as designated in a particular file or component or in included license
* documentation. The authors of MySQL hereby grant you an additional
* permission to link the program and your derivative works with the
* separately licensed software that they have included with MySQL.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License, version 2.0, for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#pragma once
#include <string>
#include "m_string.h"
namespace polarx_rpc {
namespace detail {
template <typename T>
inline std::string to_string(const my_gcvt_arg_type arg_type, T value) {
char buffer[100];
my_gcvt(value, arg_type, sizeof(buffer) - 1, buffer, NULL);
return buffer;
}
} // namespace detail
template <typename T> inline std::string to_string(T value) {
return std::to_string(value);
}
template <> inline std::string to_string<double>(double value) {
return detail::to_string(MY_GCVT_ARG_DOUBLE, value);
}
template <> inline std::string to_string<float>(float value) {
return detail::to_string(MY_GCVT_ARG_FLOAT, value);
}
} // namespace polarx_rpc