+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
+
+static U32 readUTF8char(U8**text)
+{
+ U32 c = 0;
+ if(!(*(*text) & 0x80))
+ return *((*text)++);
+
+ /* 0000 0080-0000 07FF 110xxxxx 10xxxxxx */
+ if(((*text)[0] & 0xe0) == 0xc0 && (*text)[1])
+ {
+ c = ((*text)[0] & 0x1f) << 6 | ((*text)[1] & 0x3f);
+ (*text) += 2;
+ return c;
+ }
+ /* 0000 0800-0000 FFFF 1110xxxx 10xxxxxx 10xxxxxx */
+ if(((*text)[0] & 0xf0) == 0xe0 && (*text)[1] && (*text)[2])
+ {
+ c = ((*text)[0] & 0x0f) << 12 | ((*text)[1] & 0x3f) << 6 | ((*text)[2] & 0x3f);
+ (*text) += 3;
+ return c;
+ }
+ /* 0001 0000-001F FFFF 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx */
+ if(((*text)[0] & 0xf8) == 0xf0 && (*text)[1] && (*text)[2] && (*text)[3] )
+ {
+ c = ((*text)[0] & 0x07) << 18 | ((*text)[1] & 0x3f) << 12 | ((*text)[2] & 0x3f)<<6 | ((*text)[3] & 0x3f);
+ (*text) += 4;
+ return c;
+ }
+ /* 0020 0000-03FF FFFF 111110xx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx */
+ if(((*text)[0] & 0xfc) == 0xf8 && (*text)[1] && (*text)[2] && (*text)[3] && (*text)[4])
+ {
+ c = ((*text)[0] & 0x03) << 24 | ((*text)[1] & 0x3f) << 18 | ((*text)[2] & 0x3f)<<12 | ((*text)[3] & 0x3f) << 6 | ((*text)[4] & 0x3f);
+ (*text) += 5;
+ return c;
+ }
+ /* 0400 0000-7FFF FFFF 1111110x 10xxxxxx ... 10xxxxxx */
+ if(((*text)[0] & 0xfe) == 0xfc && (*text)[1] && (*text)[2] && (*text)[3] && (*text)[4] && (*text)[5])
+ {
+ c = ((*text)[0] & 0x01) << 30 | ((*text)[1] & 0x3f) << 24 | ((*text)[2] & 0x3f)<<18 | ((*text)[3] & 0x3f) << 12 | ((*text)[4] & 0x3f) << 6 | ((*text)[5] & 0x3f) << 6;
+ (*text) += 6;
+ return c;
+ }
+ return *((*text)++);
+}