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50 lines
1.1 KiB
C
50 lines
1.1 KiB
C
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////////////////////////////////////////////
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// SJIS(CP932)/UTF-8 -> UNICODE
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// 2009/05/02 by Rudolph
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////////////////////////////////////////////
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extern const u8 sjis2unicode_tbl[];
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static bool _isKanji1(wchar_t ch)
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{
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if((ch >= (wchar_t)0x81) && (ch <= (wchar_t)0x9F))
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return true;
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if((ch >= (wchar_t)0xE0) && (ch <= (wchar_t)0xEF))
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return true;
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if((ch >= (wchar_t)0xFA) && (ch <= (wchar_t)0xFB)) // JIS X 0218<31><38> IBM<42>g<EFBFBD><67><EFBFBD><EFBFBD><EFBFBD><EFBFBD> (0xFA40-0xFC4B)
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return true;
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return false;
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}
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static void _sjis2unicode(char *src, wchar_t *dest)
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{
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wchar_t lc = 0;
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int bt;
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bt = mbstowcs(dest, src, strlen(src)); // UTF-8 to UTF-16
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if(bt > 0) {
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dest[bt] = (wchar_t)'\0';
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return;
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}
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while(*src) {
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lc = (wchar_t)*src;
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src++;
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if(_isKanji1(lc) && *src) {
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lc = (lc << 8) + ((wchar_t)*src);
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src++;
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}
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if(lc < ((wchar_t)(sjis2unicode_tbl[3]) << 8) + (wchar_t)(sjis2unicode_tbl[2])) {
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*dest = (((wchar_t)(sjis2unicode_tbl[lc*2+5]) << 8)) + (wchar_t)(sjis2unicode_tbl[lc*2+4]);
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if(*dest == (wchar_t)'\0')
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*dest = (wchar_t)'?';
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} else *dest = (wchar_t)'?';
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dest++;
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}
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*dest = (wchar_t)'\0';
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return;
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}
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