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1 /*
2  * Copyright (C) 2004, 2006, 2008 Apple Inc. All rights reserved.
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Library General Public
6  * License as published by the Free Software Foundation; either
7  * version 2 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * Library General Public License for more details.
13  *
14  * You should have received a copy of the GNU Library General Public License
15  * along with this library; see the file COPYING.LIB. If not, write to
16  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17  * Boston, MA 02110-1301, USA.
18  */
19 
20 #ifndef FormData_h
21 #define FormData_h
22 
23 #include "PlatformString.h"
24 #include <wtf/RefCounted.h>
25 #include <wtf/Vector.h>
26 
27 namespace WebCore {
28 
29 class ChromeClient;
30 
31 class FormDataElement {
32 public:
FormDataElement()33     FormDataElement() : m_type(data) { }
FormDataElement(const Vector<char> & array)34     FormDataElement(const Vector<char>& array) : m_type(data), m_data(array) { }
FormDataElement(const String & filename,bool shouldGenerateFile)35     FormDataElement(const String& filename, bool shouldGenerateFile) : m_type(encodedFile), m_filename(filename), m_shouldGenerateFile(shouldGenerateFile) { }
36 
37     enum { data, encodedFile } m_type;
38     Vector<char> m_data;
39     String m_filename;
40     String m_generatedFilename;
41     bool m_shouldGenerateFile;
42 };
43 
44 inline bool operator==(const FormDataElement& a, const FormDataElement& b)
45 {
46     if (&a == &b)
47         return true;
48 
49     if (a.m_type != b.m_type)
50         return false;
51     if (a.m_data != b.m_data)
52         return false;
53     if (a.m_filename != b.m_filename)
54         return false;
55 
56     return true;
57 }
58 
59 inline bool operator!=(const FormDataElement& a, const FormDataElement& b)
60 {
61     return !(a == b);
62 }
63 
64 class FormData : public RefCounted<FormData> {
65 public:
66     static PassRefPtr<FormData> create();
67     static PassRefPtr<FormData> create(const void*, size_t);
68     static PassRefPtr<FormData> create(const CString&);
69     static PassRefPtr<FormData> create(const Vector<char>&);
70     PassRefPtr<FormData> copy() const;
71     PassRefPtr<FormData> deepCopy() const;
72     ~FormData();
73 
74     void appendData(const void* data, size_t);
75     void appendFile(const String& filename, bool shouldGenerateFile = false);
76 
77     void flatten(Vector<char>&) const; // omits files
78     String flattenToString() const; // omits files
79 
isEmpty()80     bool isEmpty() const { return m_elements.isEmpty(); }
elements()81     const Vector<FormDataElement>& elements() const { return m_elements; }
82 
83     void generateFiles(ChromeClient*);
84     void removeGeneratedFilesIfNeeded();
85 
alwaysStream()86     bool alwaysStream() const { return m_alwaysStream; }
setAlwaysStream(bool alwaysStream)87     void setAlwaysStream(bool alwaysStream) { m_alwaysStream = alwaysStream; }
88 
89     // Identifies a particular form submission instance.  A value of 0 is used
90     // to indicate an unspecified identifier.
setIdentifier(int64_t identifier)91     void setIdentifier(int64_t identifier) { m_identifier = identifier; }
identifier()92     int64_t identifier() const { return m_identifier; }
93 
94 private:
95     FormData();
96     FormData(const FormData&);
97 
98     Vector<FormDataElement> m_elements;
99     int64_t m_identifier;
100     bool m_hasGeneratedFiles;
101     bool m_alwaysStream;
102 };
103 
104 inline bool operator==(const FormData& a, const FormData& b)
105 {
106     return a.elements() == b.elements();
107 }
108 
109 inline bool operator!=(const FormData& a, const FormData& b)
110 {
111     return a.elements() != b.elements();
112 }
113 
114 } // namespace WebCore
115 
116 #endif
117