1 /*

     2  * Copyright (C) 2010 Apple Inc. All rights reserved.

     3  *

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

     5  * modification, are permitted provided that the following conditions

     6  * are met:

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

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

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

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

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

    12  *

    13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''

    14  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,

    15  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

    16  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS

    17  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

    18  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

    19  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

    20  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

    21  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

    22  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF

    23  * THE POSSIBILITY OF SUCH DAMAGE.

    24  */

    25 

    26 #include "ImmutableArray.h"

    27 

    28 namespace WebKit {

    29 

    30 ImmutableArray::ImmutableArray()

    31     : m_entries(0)

    32     , m_size(0)

    33 {

    34     memset(&m_callbacks, 0, sizeof(m_callbacks));

    35 }

    36 

    37 ImmutableArray::ImmutableArray(const void** entries, size_t size, const ImmutableArrayCallbacks* callbacks)

    38     : m_entries(new void*[size])

    39     , m_size(size)

    40     , m_callbacks(*callbacks)

    41 {

    42     memcpy(m_entries, entries, m_size);

    43     for (size_t i = 0; i < m_size; ++i)

    44         m_callbacks.ref(m_entries[i]);

    45 }

    46 

    47 ImmutableArray::ImmutableArray(void** entries, size_t size, const ImmutableArrayCallbacks* callbacks, AdoptTag)

    48     : m_entries(entries)

    49     , m_size(size)

    50     , m_callbacks(*callbacks)

    51 {

    52 }

    53 

    54 ImmutableArray::~ImmutableArray()

    55 {

    56     if (!m_entries)

    57         return;

    58 

    59     for (size_t i = 0; i < m_size; ++i)

    60         m_callbacks.deref(m_entries[i]);

    61     delete [] m_entries;

    62 }

    63 

    64 } // namespace WebKit