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*improved utf8 string input/output on windows.

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This commit is contained in:
Wang Renxin 2016-06-17 16:05:21 +08:00 committed by GitHub
parent 66b42def89
commit d16f6b74c7
1 changed files with 45 additions and 6 deletions
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51
core/my_basic.c
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@ -1196,7 +1196,9 @@ static char* mb_strupr(char* s);
static bool_t mb_is_little_endian(void);
#if defined MB_CP_VC && defined MB_ENABLE_UNICODE
static bool_t mb_bytes_to_wchar(const char* sz, wchar_t** out, size_t size);
static int mb_bytes_to_wchar(const char* sz, wchar_t** out, size_t size);
static int mb_bytes_to_wchar_ansi(const char* sz, wchar_t** out, size_t size);
static int mb_wchar_to_bytes(const wchar_t* sz, char** out, size_t size);
#endif /* MB_CP_VC && MB_ENABLE_UNICODE */
/** Unicode handling */
@ -2961,14 +2963,34 @@ static bool_t mb_is_little_endian(void) {
#if defined MB_CP_VC && defined MB_ENABLE_UNICODE
/* Map a UTF8 character string to a UTF16 (wide character) string */
static bool_t mb_bytes_to_wchar(const char* sz, wchar_t** out, size_t size) {
int min_size = MultiByteToWideChar(CP_UTF8, 0, sz, -1, NULL, 0);
if((int)size < min_size)
*out = (wchar_t*)mb_malloc(sizeof(wchar_t) * min_size);
MultiByteToWideChar(CP_UTF8, 0, sz, -1, *out, min_size);
static int mb_bytes_to_wchar(const char* sz, wchar_t** out, size_t size) {
int result = MultiByteToWideChar(CP_UTF8, 0, sz, -1, 0, 0);
if((int)size < result)
*out = (wchar_t*)mb_malloc(sizeof(wchar_t) * result);
MultiByteToWideChar(CP_UTF8, 0, sz, -1, *out, result);
return true;
}
/* Map an ANSI character string to a UTF16 (wide character) string */
static int mb_bytes_to_wchar_ansi(const char* sz, wchar_t** out, size_t size) {
int result = MultiByteToWideChar(CP_ACP, 0, sz, -1, 0, 0);
if((int)size < result)
*out = (wchar_t*)mb_malloc(sizeof(wchar_t) * result);
MultiByteToWideChar(CP_ACP, 0, sz, -1, *out, result);
return result;
}
/* Map a UTF16 (wide character) string to a UTF8 character string */
static int mb_wchar_to_bytes(const wchar_t* sz, char** out, size_t size) {
int result = WideCharToMultiByte(CP_UTF8, 0, sz, -1, 0, 0, 0, 0);
if((int)size < result)
*out = (char*)mb_malloc(result);
WideCharToMultiByte(CP_UTF8, 0, sz, -1, *out, result, 0, 0);
return result;
}
#endif /* MB_CP_VC && MB_ENABLE_UNICODE */
/** Unicode handling */
@ -15708,7 +15730,24 @@ static int _std_input(mb_interpreter_t* s, void** l) {
safe_free(obj->data.variable->data->data.string);
}
len = _get_inputer(s)(line, sizeof(line));
#if defined MB_CP_VC && defined MB_ENABLE_UNICODE
{
char str[16];
char* strp = str;
wchar_t wstr[16];
wchar_t* wstrp = wstr;
mb_bytes_to_wchar_ansi(line, &wstrp, countof(wstr));
len = mb_wchar_to_bytes(wstrp, &strp, countof(str));
if(wstrp != wstr)
mb_free(wstrp);
if(strp != str)
obj->data.variable->data->data.string = strp;
else
obj->data.variable->data->data.string = mb_memdup(strp, len + 1);
}
#else /* MB_CP_VC && MB_ENABLE_UNICODE */
obj->data.variable->data->data.string = mb_memdup(line, len + 1);
#endif /* MB_CP_VC && MB_ENABLE_UNICODE */
ast = ast->next;
} else {
result = MB_FUNC_ERR;