unrolledToUpperCase() — netty Function Reference

Architecture documentation for the unrolledToUpperCase() function in AsciiStringUtil.java from the netty codebase.

Function java CommonUtil Logging calls 1 called by 1

Entity Profile

CommonUtil→ Logging→ unrolledToUpperCase() — netty Function Reference

Dependency Diagram

graph TD
  6a5e7782_4c2b_e42a_a9cd_12fc1f861554["unrolledToUpperCase()"]
  84873396_ba4c_3002_b5f9_9b7743d03751["AsciiStringUtil"]
  6a5e7782_4c2b_e42a_a9cd_12fc1f861554 -->|defined in| 84873396_ba4c_3002_b5f9_9b7743d03751
  4145ce36_ee3b_ee17_ea11_7e3ee9de39d1["toUpperCase()"]
  4145ce36_ee3b_ee17_ea11_7e3ee9de39d1 -->|calls| 6a5e7782_4c2b_e42a_a9cd_12fc1f861554
  4145ce36_ee3b_ee17_ea11_7e3ee9de39d1["toUpperCase()"]
  6a5e7782_4c2b_e42a_a9cd_12fc1f861554 -->|calls| 4145ce36_ee3b_ee17_ea11_7e3ee9de39d1
  style 6a5e7782_4c2b_e42a_a9cd_12fc1f861554 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

common/src/main/java/io/netty/util/AsciiStringUtil.java lines 232–252

    private static void unrolledToUpperCase(final byte[] src, int srcOffset,
                                            final byte[] dst, int dstOffset, final int byteCount) {
        assert byteCount >= 0 && byteCount < 8;
        int offset = 0;
        if ((byteCount & Integer.BYTES) != 0) {
            final int word = PlatformDependent.getInt(src, srcOffset + offset);
            PlatformDependent.putInt(dst, dstOffset + offset, SWARUtil.toUpperCase(word));
            offset += Integer.BYTES;
        }
        if ((byteCount & Short.BYTES) != 0) {
            final short word = PlatformDependent.getShort(src, srcOffset + offset);
            final short result = (short) ((toUpperCase((byte) (word >>> 8)) << 8) | toUpperCase((byte) word));
            PlatformDependent.putShort(dst, dstOffset + offset, result);
            offset += Short.BYTES;
        }

        if ((byteCount & Byte.BYTES) != 0) {
            PlatformDependent.putByte(dst, dstOffset + offset,
                                      toUpperCase(PlatformDependent.getByte(src, srcOffset + offset)));
        }
    }