Method extractRle

vm/JavaAPI/src/java/lang/Character.java:1513–1555

(String encoded)

    }

    public static Range[] extractRle(String encoded) {
        Range[] ranges = new Range[16384];
        byte[] buffer = new byte[16384];
        int index = 0;
        int rangeIndex = 0;
        int codePoint = 0;
        for (int i = 0; i < encoded.length(); ++i) {
            byte b = decodeByte(encoded.charAt(i));
            int count;
            if (b == 64) {
                b = decodeByte(encoded.charAt(++i));
                count = 0;
                int pos = 1;
                for (int j = 0; j < 3; ++j) {
                    byte digit = decodeByte(encoded.charAt(++i));
                    count |= pos * digit;
                    pos *= 0x40;
                }
            } else if (b >= 32) {
                b -= 32;
                count = decodeByte(encoded.charAt(++i));
            } else {
                count = 1;
            }
            if (b != 0 || count < 128) {
                if (index + count >= buffer.length) {
                    ranges[rangeIndex++] = new Range(codePoint, codePoint + index, Arrays.copyOf(buffer, index));
                    codePoint += index + count;
                    index = 0;
                }
                while (count-- > 0) {
                    buffer[index++] = b;
                }
            } else {
                if (index > 0) {
                    ranges[rangeIndex++] = new Range(codePoint, codePoint + index, Arrays.copyOf(buffer, index));
                }
                codePoint += index + count;
                index = 0;
            }
        }
        return Arrays.copyOf(ranges, rangeIndex);
    }
    
    
}