string_setup.h

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/**
 
    @file      string_setup.h
    @author    Khrapov
    @date      10.06.2023
    @copyright � Nick Khrapov, 2023. All right reserved.
 
**/
#pragma once
 
#include <qx/macros/config.h>
#include <qx/macros/suppress_warnings.h>
#include <qx/meta/tuple_utils.h>
 
#define QX_ALL_CHAR_TYPES char, wchar_t
 
#ifdef QX_CONF_USE_CHAR
    #define QX_CONF_USE_WCHAR !QX_CONF_USE_CHAR
#elif defined(QX_CONF_USE_WCHAR)
    #define QX_CONF_USE_CHAR !QX_CONF_USE_WCHAR
#elif !defined(QX_CONF_USE_CHAR) && !defined(QX_CONF_USE_WCHAR)
    #define QX_CONF_USE_CHAR  0
    #define QX_CONF_USE_WCHAR 1
#endif
 
namespace qx::details
{
 
using all_char_types = std::tuple<QX_ALL_CHAR_TYPES>;
 
}
 
 
#if QX_CONF_USE_CHAR
 
    #define QX_CHAR_TYPE char
    #define _QXT(quote)  quote
 
#elif QX_CONF_USE_WCHAR
 
    #define QX_CHAR_TYPE wchar_t
    #define _QXT(quote)  L##quote
 
    #if !defined(QX_CONF_UNICODE_MACRO)
        #define QX_CONF_UNICODE_MACRO 1
    #endif
 
    #if QX_CONF_UNICODE_MACRO && QX_WIN
        #define UNICODE
    #endif
 
#endif
 
#define QXT(quote) _QXT(quote)
 
namespace qx
{
 
using char_type            = QX_CHAR_TYPE;
using forbidden_char_types = tuple_utils::remove_t<details::all_char_types, std::tuple<char_type>>;
 
} // namespace qx
 
#if !defined(QX_CONF_FORCE_STD_FORMAT) && __has_include("fmt/format.h")
 
QX_PUSH_SUPPRESS_ALL_WARNINGS();
    #define FMT_UNICODE     0
    #define FMT_HEADER_ONLY 1
    #include "fmt/format.h"
    #include "fmt/xchar.h"
QX_POP_SUPPRESS_WARNINGS();
    #define QX_FMT_NS fmt
#else
 
    #include <format>
    #define QX_FMT_NS std
 
#endif