Toyomasa Watarai
/
locale_test
UTF-8 to SJIS conversion
This example program converts UTF-8 code to Shift-JIS code.
main.cpp
- Committer:
- MACRUM
- Date:
- 2013-08-25
- Revision:
- 2:43bc6ceb9ae5
- Parent:
- 1:9bd53bc5ff51
File content as of revision 2:43bc6ceb9ae5:
#include "mbed.h" #include <locale.h> #include <cwchar> #pragma import __use_all_ctype char buf_s[256]; const char buf_u[256] = {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}; wchar_t wstr[256]; static int utf8tosjis(const char* utfBuffer, int utfBufLen, char* sjisBuffer, int sjisBufLen) { int i, wi; wchar_t wc; mbstate_t state = {0}; size_t ret; char * current_locale; i = wi = 0; current_locale = setlocale(LC_CTYPE, "UTF-8"); if (current_locale == NULL) return 0; while (1) { ret = mbrtowc(&wc, utfBuffer+i, 3, &state); if (ret == (size_t)-2 || ret == (size_t)-1) { printf("\nThere was a problem decoding the multibyte string.\n"); return ret; } else if (ret == 0) { break; /* we hit \0, end of string */ } else { i += ret; wstr[wi++] = wc; } } wstr[wi] = L'\0'; current_locale = setlocale(LC_CTYPE, "SJIS"); if (current_locale == NULL) return 0; ret = wcstombs(sjisBuffer, wstr, sjisBufLen); return ret; } int main() { size_t sz; // assuming UTF-8 is NULL terminated sz = strlen(buf_u); printf("\nUTF-8:\n"); for(int i=0; i<sz; i++) { printf("0x%02x ", buf_u[i]); } int len = utf8tosjis(buf_u, sz, buf_s, sizeof(buf_s)); printf("\nSJIS:\n"); if (len != -1) { for(int i=0; i<len; i++) { printf("0x%02x ", buf_s[i]); } printf("\n"); } return 0; }