unrolledContainsUpperCase() — netty Function Reference

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

Function java CommonUtil Logging calls 2 called by 1

Entity Profile

CommonUtil→ Logging→ unrolledContainsUpperCase() — netty Function Reference

Dependency Diagram

graph TD
  631f21b0_b5b9_3bc9_4f06_5bec37499ba1["unrolledContainsUpperCase()"]
  84873396_ba4c_3002_b5f9_9b7743d03751["AsciiStringUtil"]
  631f21b0_b5b9_3bc9_4f06_5bec37499ba1 -->|defined in| 84873396_ba4c_3002_b5f9_9b7743d03751
  b1bfa746_05ac_cde4_0422_8b8d974c5698["containsUpperCase()"]
  b1bfa746_05ac_cde4_0422_8b8d974c5698 -->|calls| 631f21b0_b5b9_3bc9_4f06_5bec37499ba1
  b1bfa746_05ac_cde4_0422_8b8d974c5698["containsUpperCase()"]
  631f21b0_b5b9_3bc9_4f06_5bec37499ba1 -->|calls| b1bfa746_05ac_cde4_0422_8b8d974c5698
  4d4c4711_f4a5_31e9_dca0_7c2e068d9f04["isUpperCase()"]
  631f21b0_b5b9_3bc9_4f06_5bec37499ba1 -->|calls| 4d4c4711_f4a5_31e9_dca0_7c2e068d9f04
  style 631f21b0_b5b9_3bc9_4f06_5bec37499ba1 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

common/src/main/java/io/netty/util/AsciiStringUtil.java lines 70–92

    private static boolean unrolledContainsUpperCase(final byte[] byteArray, int offset, final int byteCount) {
        assert byteCount >= 0 && byteCount < 8;
        if ((byteCount & Integer.BYTES) != 0) {
            final int word = PlatformDependent.getInt(byteArray, offset);
            if (SWARUtil.containsUpperCase(word)) {
                return true;
            }
            offset += Integer.BYTES;
        }
        if ((byteCount & Short.BYTES) != 0) {
            if (isUpperCase(PlatformDependent.getByte(byteArray, offset))) {
                return true;
            }
            if (isUpperCase(PlatformDependent.getByte(byteArray, offset + 1))) {
                return true;
            }
            offset += Short.BYTES;
        }
        if ((byteCount & Byte.BYTES) != 0) {
            return isUpperCase(PlatformDependent.getByte(byteArray, offset));
        }
        return false;
    }