unrolledContainsLowerCase() — netty Function Reference

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

Function java CommonUtil Logging calls 2 called by 1

Entity Profile

CommonUtil→ Logging→ unrolledContainsLowerCase() — netty Function Reference

Dependency Diagram

graph TD
  bd46daab_535a_f639_4851_df731a593516["unrolledContainsLowerCase()"]
  84873396_ba4c_3002_b5f9_9b7743d03751["AsciiStringUtil"]
  bd46daab_535a_f639_4851_df731a593516 -->|defined in| 84873396_ba4c_3002_b5f9_9b7743d03751
  21106794_3e29_aab2_bb7f_344a799d8acc["containsLowerCase()"]
  21106794_3e29_aab2_bb7f_344a799d8acc -->|calls| bd46daab_535a_f639_4851_df731a593516
  21106794_3e29_aab2_bb7f_344a799d8acc["containsLowerCase()"]
  bd46daab_535a_f639_4851_df731a593516 -->|calls| 21106794_3e29_aab2_bb7f_344a799d8acc
  daceb129_5a52_fe79_132f_92f11063b370["isLowerCase()"]
  bd46daab_535a_f639_4851_df731a593516 -->|calls| daceb129_5a52_fe79_132f_92f11063b370
  style bd46daab_535a_f639_4851_df731a593516 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

common/src/main/java/io/netty/util/AsciiStringUtil.java lines 185–207

    private static boolean unrolledContainsLowerCase(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.containsLowerCase(word)) {
                return true;
            }
            offset += Integer.BYTES;
        }
        if ((byteCount & Short.BYTES) != 0) {
            if (isLowerCase(PlatformDependent.getByte(byteArray, offset))) {
                return true;
            }
            if (isLowerCase(PlatformDependent.getByte(byteArray, offset + 1))) {
                return true;
            }
            offset += Short.BYTES;
        }
        if ((byteCount & Byte.BYTES) != 0) {
            return isLowerCase(PlatformDependent.getByte(byteArray, offset));
        }
        return false;
    }