text: /*
   * Copyright (C) 2012 Google Inc.  All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are
   * met:
   *
   *     * Redistributions of source code must retain the above copyright
   * notice, this list of conditions and the following disclaimer.
   *     * Redistributions in binary form must reproduce the above
   * copyright notice, this list of conditions and the following disclaimer
   * in the documentation and/or other materials provided with the
   * distribution.
   *     * Neither the name of Google Inc. nor the names of its
   * contributors may be used to endorse or promote products derived from
   * this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
   * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #ifndef WebSocketFrame_h
  #define WebSocketFrame_h
  
  #include "wtf/Allocator.h"
  
  namespace blink {
  
  struct WebSocketFrame {
    STACK_ALLOCATED();
    // RFC6455 opcodes.
    enum OpCode {
      OpCodeContinuation = 0x0,
      OpCodeText = 0x1,
      OpCodeBinary = 0x2,
      OpCodeClose = 0x8,
      OpCodePing = 0x9,
      OpCodePong = 0xA,
      OpCodeInvalid = 0x10
    };
  
    // Flags for the constructor.
    // This is not the bitmasks for frame composition / decomposition.
    enum {
      EmptyFlags = 0,
      Final = 1,
      Reserved1 = 2,
      Compress = 2,
      Reserved2 = 4,
      Reserved3 = 8,
      Masked = 16,
    };
    typedef unsigned Flags;
    // The Flags parameter shall be a combination of above flags.
    WebSocketFrame(OpCode,
                   const char* payload,
                   size_t payloadLength,
                   Flags = EmptyFlags);
  
    OpCode opCode;
    bool final;
    bool compress;
    bool reserved2;
    bool reserved3;
    bool masked;
    const char* payload;
    size_t payloadLength;
  };
  
  }  // namespace blink
  
  #endif  // WebSocketFrame_h
  