1/*
2 * Copyright (C) 2006, 2007, 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
26#ifndef BString_h
27#define BString_h
28
29#include <wtf/Forward.h>
30
31#if USE(CF)
32typedef const struct __CFString * CFStringRef;
33#endif
34
35typedef wchar_t* BSTR;
36
37namespace WebCore {
38
39    class URL;
40
41    class BString {
42    public:
43        BString();
44        BString(const wchar_t*);
45        BString(const wchar_t*, size_t length);
46        BString(const String&);
47        BString(const AtomicString&);
48        BString(const URL&);
49#if USE(CF)
50        BString(CFStringRef);
51#endif
52        ~BString();
53
54        void adoptBSTR(BSTR);
55        void clear();
56
57        BString(const BString&);
58        BString& operator=(const BString&);
59        BString& operator=(const BSTR&);
60
61        BSTR* operator&() { ASSERT(!m_bstr); return &m_bstr; }
62        operator BSTR() const { return m_bstr; }
63
64        BSTR release() { BSTR result = m_bstr; m_bstr = 0; return result; }
65
66    private:
67        BSTR m_bstr;
68    };
69
70    bool operator ==(const BString&, const BString&);
71    bool operator !=(const BString&, const BString&);
72    bool operator ==(const BString&, BSTR);
73    bool operator !=(const BString&, BSTR);
74    bool operator ==(BSTR, const BString&);
75    bool operator !=(BSTR, const BString&);
76
77}
78
79#endif
80