http://netty.io/netty-all/: Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers and clients. (The Netty Project) 
final class io.netty.handler.codec.http2.HpackHuffmanDecoder
  minor version: 0
  major version: 59
  flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
  this_class: io.netty.handler.codec.http2.HpackHuffmanDecoder
  super_class: java.lang.Object
{
  private static final io.netty.handler.codec.http2.Http2Exception EOS_DECODED;
    descriptor: Lio/netty/handler/codec/http2/Http2Exception;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final io.netty.handler.codec.http2.Http2Exception INVALID_PADDING;
    descriptor: Lio/netty/handler/codec/http2/Http2Exception;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final io.netty.handler.codec.http2.HpackHuffmanDecoder$Node ROOT;
    descriptor: Lio/netty/handler/codec/http2/HpackHuffmanDecoder$Node;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private final io.netty.handler.codec.http2.HpackHuffmanDecoder$DecoderProcessor processor;
    descriptor: Lio/netty/handler/codec/http2/HpackHuffmanDecoder$DecoderProcessor;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=3, locals=0, args_size=0
         0: .line 46
            getstatic io.netty.handler.codec.http2.Http2Error.COMPRESSION_ERROR:Lio/netty/handler/codec/http2/Http2Error;
            ldc "HPACK - EOS Decoded"
            iconst_0
            anewarray java.lang.Object
            invokestatic io.netty.handler.codec.http2.Http2Exception.connectionError:(Lio/netty/handler/codec/http2/Http2Error;Ljava/lang/String;[Ljava/lang/Object;)Lio/netty/handler/codec/http2/Http2Exception;
            ldc Lio/netty/handler/codec/http2/HpackHuffmanDecoder;
            ldc "decode(..)"
         1: .line 45
            invokestatic io.netty.util.internal.ThrowableUtil.unknownStackTrace:(Ljava/lang/Throwable;Ljava/lang/Class;Ljava/lang/String;)Ljava/lang/Throwable;
            checkcast io.netty.handler.codec.http2.Http2Exception
            putstatic io.netty.handler.codec.http2.HpackHuffmanDecoder.EOS_DECODED:Lio/netty/handler/codec/http2/Http2Exception;
         2: .line 48
            getstatic io.netty.handler.codec.http2.Http2Error.COMPRESSION_ERROR:Lio/netty/handler/codec/http2/Http2Error;
            ldc "HPACK - Invalid Padding"
            iconst_0
            anewarray java.lang.Object
            invokestatic io.netty.handler.codec.http2.Http2Exception.connectionError:(Lio/netty/handler/codec/http2/Http2Error;Ljava/lang/String;[Ljava/lang/Object;)Lio/netty/handler/codec/http2/Http2Exception;
            ldc Lio/netty/handler/codec/http2/HpackHuffmanDecoder;
            ldc "decode(..)"
         3: .line 47
            invokestatic io.netty.util.internal.ThrowableUtil.unknownStackTrace:(Ljava/lang/Throwable;Ljava/lang/Class;Ljava/lang/String;)Ljava/lang/Throwable;
            checkcast io.netty.handler.codec.http2.Http2Exception
            putstatic io.netty.handler.codec.http2.HpackHuffmanDecoder.INVALID_PADDING:Lio/netty/handler/codec/http2/Http2Exception;
         4: .line 50
            getstatic io.netty.handler.codec.http2.HpackUtil.HUFFMAN_CODES:[I
            getstatic io.netty.handler.codec.http2.HpackUtil.HUFFMAN_CODE_LENGTHS:[B
            invokestatic io.netty.handler.codec.http2.HpackHuffmanDecoder.buildTree:([I[B)Lio/netty/handler/codec/http2/HpackHuffmanDecoder$Node;
            putstatic io.netty.handler.codec.http2.HpackHuffmanDecoder.ROOT:Lio/netty/handler/codec/http2/HpackHuffmanDecoder$Node;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  void <init>(int);
    descriptor: (I)V
    flags: (0x0000) 
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // io.netty.handler.codec.http2.HpackHuffmanDecoder this
        start local 1 // int initialCapacity
         0: .line 54
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 55
            aload 0 /* this */
            new io.netty.handler.codec.http2.HpackHuffmanDecoder$DecoderProcessor
            dup
            iload 1 /* initialCapacity */
            invokespecial io.netty.handler.codec.http2.HpackHuffmanDecoder$DecoderProcessor.<init>:(I)V
            putfield io.netty.handler.codec.http2.HpackHuffmanDecoder.processor:Lio/netty/handler/codec/http2/HpackHuffmanDecoder$DecoderProcessor;
         2: .line 56
            return
        end local 1 // int initialCapacity
        end local 0 // io.netty.handler.codec.http2.HpackHuffmanDecoder this
      LocalVariableTable:
        Start  End  Slot             Name  Signature
            0    3     0             this  Lio/netty/handler/codec/http2/HpackHuffmanDecoder;
            0    3     1  initialCapacity  I
    MethodParameters:
                 Name  Flags
      initialCapacity  

  public io.netty.util.AsciiString decode(io.netty.buffer.ByteBuf, int);
    descriptor: (Lio/netty/buffer/ByteBuf;I)Lio/netty/util/AsciiString;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=3, args_size=3
        start local 0 // io.netty.handler.codec.http2.HpackHuffmanDecoder this
        start local 1 // io.netty.buffer.ByteBuf buf
        start local 2 // int length
         0: .line 66
            aload 0 /* this */
            getfield io.netty.handler.codec.http2.HpackHuffmanDecoder.processor:Lio/netty/handler/codec/http2/HpackHuffmanDecoder$DecoderProcessor;
            invokevirtual io.netty.handler.codec.http2.HpackHuffmanDecoder$DecoderProcessor.reset:()V
         1: .line 67
            aload 1 /* buf */
            aload 1 /* buf */
            invokevirtual io.netty.buffer.ByteBuf.readerIndex:()I
            iload 2 /* length */
            aload 0 /* this */
            getfield io.netty.handler.codec.http2.HpackHuffmanDecoder.processor:Lio/netty/handler/codec/http2/HpackHuffmanDecoder$DecoderProcessor;
            invokevirtual io.netty.buffer.ByteBuf.forEachByte:(IILio/netty/util/ByteProcessor;)I
            pop
         2: .line 68
            aload 1 /* buf */
            iload 2 /* length */
            invokevirtual io.netty.buffer.ByteBuf.skipBytes:(I)Lio/netty/buffer/ByteBuf;
            pop
         3: .line 69
            aload 0 /* this */
            getfield io.netty.handler.codec.http2.HpackHuffmanDecoder.processor:Lio/netty/handler/codec/http2/HpackHuffmanDecoder$DecoderProcessor;
            invokevirtual io.netty.handler.codec.http2.HpackHuffmanDecoder$DecoderProcessor.end:()Lio/netty/util/AsciiString;
            areturn
        end local 2 // int length
        end local 1 // io.netty.buffer.ByteBuf buf
        end local 0 // io.netty.handler.codec.http2.HpackHuffmanDecoder this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    4     0    this  Lio/netty/handler/codec/http2/HpackHuffmanDecoder;
            0    4     1     buf  Lio/netty/buffer/ByteBuf;
            0    4     2  length  I
    Exceptions:
      throws io.netty.handler.codec.http2.Http2Exception
    MethodParameters:
        Name  Flags
      buf     
      length  

  private static io.netty.handler.codec.http2.HpackHuffmanDecoder$Node buildTree(int[], byte[]);
    descriptor: ([I[B)Lio/netty/handler/codec/http2/HpackHuffmanDecoder$Node;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=5, locals=4, args_size=2
        start local 0 // int[] codes
        start local 1 // byte[] lengths
         0: .line 106
            new io.netty.handler.codec.http2.HpackHuffmanDecoder$Node
            dup
            invokespecial io.netty.handler.codec.http2.HpackHuffmanDecoder$Node.<init>:()V
            astore 2 /* root */
        start local 2 // io.netty.handler.codec.http2.HpackHuffmanDecoder$Node root
         1: .line 107
            iconst_0
            istore 3 /* i */
        start local 3 // int i
         2: goto 5
         3: .line 108
      StackMap locals: io.netty.handler.codec.http2.HpackHuffmanDecoder$Node int
      StackMap stack:
            aload 2 /* root */
            iload 3 /* i */
            aload 0 /* codes */
            iload 3 /* i */
            iaload
            aload 1 /* lengths */
            iload 3 /* i */
            baload
            invokestatic io.netty.handler.codec.http2.HpackHuffmanDecoder.insert:(Lio/netty/handler/codec/http2/HpackHuffmanDecoder$Node;IIB)V
         4: .line 107
            iinc 3 /* i */ 1
      StackMap locals:
      StackMap stack:
         5: iload 3 /* i */
            aload 0 /* codes */
            arraylength
            if_icmplt 3
        end local 3 // int i
         6: .line 110
            aload 2 /* root */
            areturn
        end local 2 // io.netty.handler.codec.http2.HpackHuffmanDecoder$Node root
        end local 1 // byte[] lengths
        end local 0 // int[] codes
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    7     0    codes  [I
            0    7     1  lengths  [B
            1    7     2     root  Lio/netty/handler/codec/http2/HpackHuffmanDecoder$Node;
            2    6     3        i  I
    MethodParameters:
         Name  Flags
      codes    
      lengths  

  private static void insert(io.netty.handler.codec.http2.HpackHuffmanDecoder$Node, int, int, byte);
    descriptor: (Lio/netty/handler/codec/http2/HpackHuffmanDecoder$Node;IIB)V
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=4, locals=10, args_size=4
        start local 0 // io.netty.handler.codec.http2.HpackHuffmanDecoder$Node root
        start local 1 // int symbol
        start local 2 // int code
        start local 3 // byte length
         0: .line 115
            aload 0 /* root */
            astore 4 /* current */
        start local 4 // io.netty.handler.codec.http2.HpackHuffmanDecoder$Node current
         1: .line 116
            goto 9
         2: .line 117
      StackMap locals: io.netty.handler.codec.http2.HpackHuffmanDecoder$Node
      StackMap stack:
            aload 4 /* current */
            invokevirtual io.netty.handler.codec.http2.HpackHuffmanDecoder$Node.isTerminal:()Z
            ifeq 4
         3: .line 118
            new java.lang.IllegalStateException
            dup
            ldc "invalid Huffman code: prefix not unique"
            invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
            athrow
         4: .line 120
      StackMap locals:
      StackMap stack:
            iload 3 /* length */
            bipush 8
            isub
            i2b
            istore 3 /* length */
         5: .line 121
            iload 2 /* code */
            iload 3 /* length */
            iushr
            sipush 255
            iand
            istore 5 /* i */
        start local 5 // int i
         6: .line 122
            aload 4 /* current */
            getfield io.netty.handler.codec.http2.HpackHuffmanDecoder$Node.children:[Lio/netty/handler/codec/http2/HpackHuffmanDecoder$Node;
            iload 5 /* i */
            aaload
            ifnonnull 8
         7: .line 123
            aload 4 /* current */
            getfield io.netty.handler.codec.http2.HpackHuffmanDecoder$Node.children:[Lio/netty/handler/codec/http2/HpackHuffmanDecoder$Node;
            iload 5 /* i */
            new io.netty.handler.codec.http2.HpackHuffmanDecoder$Node
            dup
            invokespecial io.netty.handler.codec.http2.HpackHuffmanDecoder$Node.<init>:()V
            aastore
         8: .line 125
      StackMap locals: int
      StackMap stack:
            aload 4 /* current */
            getfield io.netty.handler.codec.http2.HpackHuffmanDecoder$Node.children:[Lio/netty/handler/codec/http2/HpackHuffmanDecoder$Node;
            iload 5 /* i */
            aaload
            astore 4 /* current */
        end local 5 // int i
         9: .line 116
      StackMap locals:
      StackMap stack:
            iload 3 /* length */
            bipush 8
            if_icmpgt 2
        10: .line 128
            new io.netty.handler.codec.http2.HpackHuffmanDecoder$Node
            dup
            iload 1 /* symbol */
            iload 3 /* length */
            invokespecial io.netty.handler.codec.http2.HpackHuffmanDecoder$Node.<init>:(II)V
            astore 5 /* terminal */
        start local 5 // io.netty.handler.codec.http2.HpackHuffmanDecoder$Node terminal
        11: .line 129
            bipush 8
            iload 3 /* length */
            isub
            istore 6 /* shift */
        start local 6 // int shift
        12: .line 130
            iload 2 /* code */
            iload 6 /* shift */
            ishl
            sipush 255
            iand
            istore 7 /* start */
        start local 7 // int start
        13: .line 131
            iconst_1
            iload 6 /* shift */
            ishl
            istore 8 /* end */
        start local 8 // int end
        14: .line 132
            iload 7 /* start */
            istore 9 /* i */
        start local 9 // int i
        15: goto 18
        16: .line 133
      StackMap locals: io.netty.handler.codec.http2.HpackHuffmanDecoder$Node int int int io.netty.handler.codec.http2.HpackHuffmanDecoder$Node io.netty.handler.codec.http2.HpackHuffmanDecoder$Node int int int int
      StackMap stack:
            aload 4 /* current */
            getfield io.netty.handler.codec.http2.HpackHuffmanDecoder$Node.children:[Lio/netty/handler/codec/http2/HpackHuffmanDecoder$Node;
            iload 9 /* i */
            aload 5 /* terminal */
            aastore
        17: .line 132
            iinc 9 /* i */ 1
      StackMap locals:
      StackMap stack:
        18: iload 9 /* i */
            iload 7 /* start */
            iload 8 /* end */
            iadd
            if_icmplt 16
        end local 9 // int i
        19: .line 135
            return
        end local 8 // int end
        end local 7 // int start
        end local 6 // int shift
        end local 5 // io.netty.handler.codec.http2.HpackHuffmanDecoder$Node terminal
        end local 4 // io.netty.handler.codec.http2.HpackHuffmanDecoder$Node current
        end local 3 // byte length
        end local 2 // int code
        end local 1 // int symbol
        end local 0 // io.netty.handler.codec.http2.HpackHuffmanDecoder$Node root
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   20     0      root  Lio/netty/handler/codec/http2/HpackHuffmanDecoder$Node;
            0   20     1    symbol  I
            0   20     2      code  I
            0   20     3    length  B
            1   20     4   current  Lio/netty/handler/codec/http2/HpackHuffmanDecoder$Node;
            6    9     5         i  I
           11   20     5  terminal  Lio/netty/handler/codec/http2/HpackHuffmanDecoder$Node;
           12   20     6     shift  I
           13   20     7     start  I
           14   20     8       end  I
           15   19     9         i  I
    MethodParameters:
        Name  Flags
      root    
      symbol  
      code    
      length  
}
SourceFile: "HpackHuffmanDecoder.java"
NestMembers:
  io.netty.handler.codec.http2.HpackHuffmanDecoder$DecoderProcessor  io.netty.handler.codec.http2.HpackHuffmanDecoder$Node
InnerClasses:
  private final DecoderProcessor = io.netty.handler.codec.http2.HpackHuffmanDecoder$DecoderProcessor of io.netty.handler.codec.http2.HpackHuffmanDecoder
  private final Node = io.netty.handler.codec.http2.HpackHuffmanDecoder$Node of io.netty.handler.codec.http2.HpackHuffmanDecoder