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00009 static int mapUTF8(Unicode u, char *buf, int bufSize) {
00010 if (u <= 0x0000007f) {
00011 if (bufSize < 1) {
00012 return 0;
00013 }
00014 buf[0] = (char)u;
00015 return 1;
00016 } else if (u <= 0x000007ff) {
00017 if (bufSize < 2) {
00018 return 0;
00019 }
00020 buf[0] = (char)(0xc0 + (u >> 6));
00021 buf[1] = (char)(0x80 + (u & 0x3f));
00022 return 2;
00023 } else if (u <= 0x0000ffff) {
00024 if (bufSize < 3) {
00025 return 0;
00026 }
00027 buf[0] = (char)(0xe0 + (u >> 12));
00028 buf[1] = (char)(0x80 + ((u >> 6) & 0x3f));
00029 buf[2] = (char)(0x80 + (u & 0x3f));
00030 return 3;
00031 } else if (u <= 0x0010ffff) {
00032 if (bufSize < 4) {
00033 return 0;
00034 }
00035 buf[0] = (char)(0xf0 + (u >> 18));
00036 buf[1] = (char)(0x80 + ((u >> 12) & 0x3f));
00037 buf[2] = (char)(0x80 + ((u >> 6) & 0x3f));
00038 buf[3] = (char)(0x80 + (u & 0x3f));
00039 return 4;
00040 } else {
00041 return 0;
00042 }
00043 }
00044
00045 static int mapUCS2(Unicode u, char *buf, int bufSize) {
00046 if (u <= 0xffff) {
00047 if (bufSize < 2) {
00048 return 0;
00049 }
00050 buf[0] = (char)((u >> 8) & 0xff);
00051 buf[1] = (char)(u & 0xff);
00052 return 2;
00053 } else {
00054 return 0;
00055 }
00056 }
