private void readUtf8(int charCount) {
byte[] buffer = this.buffer;
char[] chars = this.chars;
// Try to read 7 bit ASCII chars.
int charIndex = 0;
int count = Math.min(require(1), charCount);
int position = this.position;
int b;
while (charIndex < count) {
b = buffer[position++];
if (b < 0) {
position--;
break;
}
chars[charIndex++] = (char) b;
}
this.position = position;
// If buffer didn't hold all chars or any were not ASCII, use slow path for remainder.
if (charIndex < charCount) readUtf8_slow(charCount, charIndex);
}
