Toyomasa Watarai
/
locale_test
UTF-8 to SJIS conversion
This example program converts UTF-8 code to Shift-JIS code.
main.cpp@0:1215a9611188, 2013-08-24 (annotated)
- Committer:
- MACRUM
- Date:
- Sat Aug 24 15:03:55 2013 +0000
- Revision:
- 0:1215a9611188
- Child:
- 1:9bd53bc5ff51
Initial release
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
MACRUM | 0:1215a9611188 | 1 | #include "mbed.h" |
MACRUM | 0:1215a9611188 | 2 | #include <locale.h> |
MACRUM | 0:1215a9611188 | 3 | #include <cwchar> |
MACRUM | 0:1215a9611188 | 4 | |
MACRUM | 0:1215a9611188 | 5 | #pragma import __use_all_ctype |
MACRUM | 0:1215a9611188 | 6 | |
MACRUM | 0:1215a9611188 | 7 | DigitalOut myled(LED1); |
MACRUM | 0:1215a9611188 | 8 | |
MACRUM | 0:1215a9611188 | 9 | static char buf_s[1024]; |
MACRUM | 0:1215a9611188 | 10 | static char buf_u[1024] = {0xE6,0x97,0xA5,0xE6,0x9C,0xAC,0xE8,0xAA,0x9E,0xE6,0x96,0x87,0xE5,0xAD,0x97,0xE5,0x88,0x97,0x5F,0x41,0x42,0x43,0x44,0x5F,0x30,0x31,0x32,0x33,0x00}; |
MACRUM | 0:1215a9611188 | 11 | static wchar_t wstr[1024]; |
MACRUM | 0:1215a9611188 | 12 | |
MACRUM | 0:1215a9611188 | 13 | static int utf8tosjis(const char* utfBuffer, int utfBufLen, char* sjisBuffer, int sjisBufLen) |
MACRUM | 0:1215a9611188 | 14 | { |
MACRUM | 0:1215a9611188 | 15 | int i, wi; |
MACRUM | 0:1215a9611188 | 16 | wchar_t wc; |
MACRUM | 0:1215a9611188 | 17 | mbstate_t state = {0}; |
MACRUM | 0:1215a9611188 | 18 | size_t ret; |
MACRUM | 0:1215a9611188 | 19 | |
MACRUM | 0:1215a9611188 | 20 | i = wi = 0; |
MACRUM | 0:1215a9611188 | 21 | |
MACRUM | 0:1215a9611188 | 22 | while (1) { |
MACRUM | 0:1215a9611188 | 23 | ret = mbrtowc(&wc, utfBuffer+i, 3, &state); |
MACRUM | 0:1215a9611188 | 24 | if (ret == (size_t)-2 || ret == (size_t)-1) { |
MACRUM | 0:1215a9611188 | 25 | printf("\nThere was a problem decoding the multibyte string.\n"); |
MACRUM | 0:1215a9611188 | 26 | return ret; |
MACRUM | 0:1215a9611188 | 27 | } else if (ret == 0) { |
MACRUM | 0:1215a9611188 | 28 | break; /* we hit \0, end of string */ |
MACRUM | 0:1215a9611188 | 29 | } else { |
MACRUM | 0:1215a9611188 | 30 | i += ret; |
MACRUM | 0:1215a9611188 | 31 | wstr[wi++] = wc; |
MACRUM | 0:1215a9611188 | 32 | } |
MACRUM | 0:1215a9611188 | 33 | } |
MACRUM | 0:1215a9611188 | 34 | wstr[wi] = L'\0'; |
MACRUM | 0:1215a9611188 | 35 | return ret; |
MACRUM | 0:1215a9611188 | 36 | } |
MACRUM | 0:1215a9611188 | 37 | |
MACRUM | 0:1215a9611188 | 38 | int main() { |
MACRUM | 0:1215a9611188 | 39 | int err = 0; |
MACRUM | 0:1215a9611188 | 40 | err = utf8tosjis(buf_u, 29, buf_s, sizeof(buf_s)); |
MACRUM | 0:1215a9611188 | 41 | return 0; |
MACRUM | 0:1215a9611188 | 42 | } |