/* Copyright (c) 2020, 2025, Oracle and/or its affiliates.

   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 designed to work 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 either included with

   the program or referenced in the documentation.

   Without limiting anything contained in the foregoing, this file,

   which is part of C Driver for MySQL (Connector/C), is also subject to the

   Universal FOSS Exception, version 1.0, a copy of which can be found at

   http://oss.oracle.com/licenses/universal-foss-exception.

   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 */

#ifndef INCLUDE_STRING_TEMPLATE_UTILS_H_

#define INCLUDE_STRING_TEMPLATE_UTILS_H_

#include <cstring>

#include <string>

static inline size_t length_of_string(const std::string &s) { return s.size(); }

static inline size_t length_of_string(const char *s) { return strlen(s); }

template <typename S>

size_t sum_sizeof_strings(S s) {

  return length_of_string(s);

}

template <typename H, typename... T>

size_t sum_sizeof_strings(H head, T... tail) {

  return length_of_string(head) + sum_sizeof_strings(tail...);

}

unsigned long sum_sizeof_strings<char const*, char const*>(char const*, char const*)

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size_t sum_sizeof_strings(H head, T... tail) {

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  return length_of_string(head) + sum_sizeof_strings(tail...);

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}

Unexecuted instantiation: unsigned long sum_sizeof_strings<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, char const*, char const*>(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, char const*, char const*)

template <typename S>

void concatenate_acc(std::string *acc, S s) {

  *acc += s;

}

template <typename H, typename... T>

void concatenate_acc(std::string *acc, H head, T... tail) {

  *acc += head;

  concatenate_acc(acc, tail...);

}

void concatenate_acc<char const*, char const*>(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >*, char const*, char const*)

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void concatenate_acc(std::string *acc, H head, T... tail) {

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  *acc += head;

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  concatenate_acc(acc, tail...);

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}

Unexecuted instantiation: void concatenate_acc<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, char const*, char const*>(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >*, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, char const*, char const*)

/**

  Concatenate a list of std::string or '\0'-terminated strings

  @note throws std::bad_alloc

  @param s      List of std::string or '\0'-terminated strings

  @returns concatenated string

*/

template <typename... S>

std::string concatenate(S... s) {

  std::string acc;

  acc.reserve(sum_sizeof_strings(s...));

  concatenate_acc(&acc, s...);

  return acc;

}

std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > concatenate<char const*, char const*>(char const*, char const*)

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std::string concatenate(S... s) {

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  std::string acc;

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  acc.reserve(sum_sizeof_strings(s...));

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  concatenate_acc(&acc, s...);

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  return acc;

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}

Unexecuted instantiation: std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > concatenate<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, char const*, char const*>(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, char const*, char const*)

#endif  // INCLUDE_STRING_TEMPLATE_UTILS_H_