1/*
2 * Copyright (C) 2009 Google 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 are
6 * met:
7 *
8 *     * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *     * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 *     * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#ifndef WebHTTPBody_h
32#define WebHTTPBody_h
33
34#include "WebData.h"
35#include "WebNonCopyable.h"
36#include "WebString.h"
37#include "WebURL.h"
38
39#if WEBKIT_IMPLEMENTATION
40namespace WebCore { class FormData; }
41namespace WTF { template <typename T> class PassRefPtr; }
42#endif
43
44namespace WebKit {
45
46class WebHTTPBodyPrivate;
47
48class WebHTTPBody {
49public:
50    struct Element {
51        enum { TypeData, TypeFile, TypeBlob } type;
52        WebData data;
53        WebString filePath;
54        long long fileStart;
55        long long fileLength; // -1 means to the end of the file.
56        double modificationTime;
57        WebURL blobURL;
58    };
59
60    ~WebHTTPBody() { reset(); }
61
62    WebHTTPBody() : m_private(0) { }
63    WebHTTPBody(const WebHTTPBody& b) : m_private(0) { assign(b); }
64    WebHTTPBody& operator=(const WebHTTPBody& b)
65    {
66        assign(b);
67        return *this;
68    }
69
70    WEBKIT_API void initialize();
71    WEBKIT_API void reset();
72    WEBKIT_API void assign(const WebHTTPBody&);
73
74    bool isNull() const { return !m_private; }
75
76    // Returns the number of elements comprising the http body.
77    WEBKIT_API size_t elementCount() const;
78
79    // Sets the values of the element at the given index.  Returns false if
80    // index is out of bounds.
81    WEBKIT_API bool elementAt(size_t index, Element&) const;
82
83    // Append to the list of elements.
84    WEBKIT_API void appendData(const WebData&);
85    WEBKIT_API void appendFile(const WebString&);
86    // Passing -1 to fileLength means to the end of the file.
87    WEBKIT_API void appendFileRange(const WebString&, long long fileStart, long long fileLength, double modificationTime);
88    WEBKIT_API void appendBlob(const WebURL&);
89
90    // Identifies a particular form submission instance.  A value of 0 is
91    // used to indicate an unspecified identifier.
92    WEBKIT_API long long identifier() const;
93    WEBKIT_API void setIdentifier(long long);
94
95#if WEBKIT_IMPLEMENTATION
96    WebHTTPBody(const WTF::PassRefPtr<WebCore::FormData>&);
97    WebHTTPBody& operator=(const WTF::PassRefPtr<WebCore::FormData>&);
98    operator WTF::PassRefPtr<WebCore::FormData>() const;
99#endif
100
101private:
102    void assign(WebHTTPBodyPrivate*);
103    void ensureMutable();
104    WebHTTPBodyPrivate* m_private;
105};
106
107} // namespace WebKit
108
109#endif
110