#ifndef TOOLKIT_CHARACHER_SET_H__
#define TOOLKIT_CHARACHER_SET_H__

#pragma once

#include "config.h"

#ifdef __cplusplus
extern "C" {
#endif

    typedef
        enum char_encoding_enu { 
        unknown, ansi, unicode, unicode_with_big_endian, unicode_with_bom, unicode_without_bom
    } char_encoding;

    TOOLKIT_API int toolkit_utf82gbk(char* inbuf, size_t inlen, char* outbuf, size_t outlen);
    TOOLKIT_API int toolkit_gbk2utf8(char* inbuf, size_t inlen, char* outbuf, size_t outlen);

    /*0: not-utf8, 1: utf-8: -1: analyze failed*/
    TOOLKIT_API int toolkit_detect_utf8_file(const char* file_path);
    //test now
    TOOLKIT_API char_encoding  detect_file_encoding(const char* file_path);

    TOOLKIT_API int toolkit_detect_utf8_str(const char* str);
    /** from upgradetask  [Gifur@2025725]*/
    //1:utf8;0:no utf8
	TOOLKIT_API int toolkit_detect_utf8_str2(const char* str);

	TOOLKIT_API size_t toolkit_mbs2wcs(const char* src, wchar_t* dst, size_t dst_size);
	TOOLKIT_API size_t toolkit_wcs2mbs(const wchar_t* src, char* dst, size_t dst_size);

    //only valid in win and the user remember to free the return if not null
    //return malloc(input param) directory in UOS, please use toolkit_utf82gbk if you need
    //copy from httpclient.h
    TOOLKIT_API char* ConvertUtf8ToGBK(const char* strUtf8);

	//only valid in win and the user remember to free the return if not null
	//return malloc(input param) directory in UOS, please use toolkit_gbk2utf8 if you need
	//copy from httpclient.h
    TOOLKIT_API char* ConvertGBKToUtf8(const char* gbk, int* n);

#ifdef __cplusplus
} // extern "C" {
#endif

#endif //TOOLKIT_CHARACHER_SET_H__