1 /*

     2  * Copyright (C) 2009 Apple Inc. All rights reserved.

     3  * Copyright (C) 2009 Google Inc. All rights reserved.

     4  *

     5  * Redistribution and use in source and binary forms, with or without

     6  * modification, are permitted provided that the following conditions

     7  * are met:

     8  * 1. Redistributions of source code must retain the above copyright

     9  *    notice, this list of conditions and the following disclaimer.

    10  * 2. Redistributions in binary form must reproduce the above copyright

    11  *    notice, this list of conditions and the following disclaimer in the

    12  *    documentation and/or other materials provided with the distribution.

    13  *

    14  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY

    15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

    16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

    17  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR

    18  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

    19  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

    20  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

    21  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY

    22  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

    23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

    24  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 

    25  */

    26 

    27 #ifndef Uint8Array_h

    28 #define Uint8Array_h

    29 

    30 #include "IntegralTypedArrayBase.h"

    31 

    32 namespace WebCore {

    33 

    34 class ArrayBuffer;

    35 

    36 class Uint8Array : public IntegralTypedArrayBase<unsigned char> {

    37   public:

    38     static PassRefPtr<Uint8Array> create(unsigned length);

    39     static PassRefPtr<Uint8Array> create(unsigned char* array, unsigned length);

    40     static PassRefPtr<Uint8Array> create(PassRefPtr<ArrayBuffer> buffer, unsigned byteOffset, unsigned length);

    41 

    42     using TypedArrayBase<unsigned char>::set;

    43     using IntegralTypedArrayBase<unsigned char>::set;

    44 

    45   private:

    46     Uint8Array(PassRefPtr<ArrayBuffer> buffer,

    47                            unsigned byteOffset,

    48                            unsigned length);

    49     // Make constructor visible to superclass.

    50     friend class TypedArrayBase<unsigned char>;

    51 

    52     // Overridden from ArrayBufferView.

    53     virtual bool isUnsignedByteArray() const { return true; }

    54     virtual PassRefPtr<ArrayBufferView> slice(int start, int end) const;

    55 };

    56 

    57 } // namespace WebCore

    58 

    59 #endif // Uint8Array_h