1/*
2 * Copyright (C) 2008 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. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25#ifndef FormDataStreamCurl_h
26#define FormDataStreamCurl_h
27
28#include "config.h"
29
30#include "FileSystem.h"
31#include "ResourceHandle.h"
32#include <stdio.h>
33
34namespace WebCore {
35
36class FormDataStream {
37public:
38    FormDataStream(ResourceHandle* handle)
39        : m_resourceHandle(handle)
40        , m_file(0)
41        , m_formDataElementIndex(0)
42        , m_formDataElementDataOffset(0)
43    {
44    }
45
46    ~FormDataStream();
47
48    size_t read(void* ptr, size_t blockSize, size_t numberOfBlocks);
49    bool hasMoreElements() const;
50
51private:
52    // We can hold a weak reference to our ResourceHandle as it holds a strong reference
53    // to us through its ResourceHandleInternal.
54    ResourceHandle* m_resourceHandle;
55
56    FILE* m_file;
57    size_t m_formDataElementIndex;
58    size_t m_formDataElementDataOffset;
59};
60
61} // namespace WebCore
62
63#endif // FormDataStreamCurl_h
64