Unicode 8 和 Unicode 16的转换代码

int convertUTF8UTF16(unsigned char* utf8, int& size8, char* utf16, int& size16) { int count =0, i; char tmp1, tmp2; unsigned short int integer; unsigned short int *p; for(i=0;i { p = (unsigned short int*)&utf16[i]; if( utf8[count] < 0x80) { // <0x80 integer = utf8[count]; count++; } else if( (utf8[count] < 0xDF) && (utf8[count]>=0x80)) { integer = utf8[count] & 0x1F; integer = integer << 6; integer += utf8[count+1] &0x3F; count+=2; } else if( (utf8[count] <= 0xEF) && (utf8[count]>=0xDF)) { integer = utf8[count] & 0x0F; integer = integer << 6; integer += utf8[count+1] &0x3F; integer = integer << 6; integer += utf8[count+2] &0x3F; count+=3; } else { printf("error!/n"); } *p = integer; } size8 = count; size16 = i; return size16; } int convertUTF16UTF8(char* utf16, int& size16, char* utf8, int& size8) { int i=0, count=0; char tmp1, tmp2; unsigned short int integer; for(i=0;i { integer = *(unsigned short int*)&utf16[i]; if( integer<0x80) { utf8[count] = integer & 0x7f; count++; } else if( integer>=0x80 && integer<0x07ff) { tmp1 = integer>>6; utf8[count] = 0xC0 | (0x1F & integer>>6); utf8[count+1] = 0x80 | (0x3F & integer); count+=2; } else if( integer>=0x0800 ) { tmp1 = integer>>12; utf8[count] = 0xE0 | (0x0F & integer>>12); utf8[count+1] = 0x80 | ((0x0FC0 & integer)>>6); utf8[count+2] = 0x80 | (0x003F & integer); count += 3; } else { printf("error/n"); } } size16 = i; size8 = count; return count; }