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 COMPUTER, 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 COMPUTER, 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 OpaqueJSString_h |
27 | #define OpaqueJSString_h |
28 | |
29 | #include <runtime/UString.h> |
30 | |
31 | namespace JSC { |
32 | class Identifier; |
33 | class JSGlobalData; |
34 | } |
35 | |
36 | struct OpaqueJSString : public ThreadSafeShared<OpaqueJSString> { |
37 | |
38 | static PassRefPtr<OpaqueJSString> create() // null |
39 | { |
40 | return adoptRef(p: new OpaqueJSString); |
41 | } |
42 | |
43 | static PassRefPtr<OpaqueJSString> create(const UChar* characters, unsigned length) |
44 | { |
45 | return adoptRef(p: new OpaqueJSString(characters, length)); |
46 | } |
47 | |
48 | static PassRefPtr<OpaqueJSString> create(const JSC::UString&); |
49 | |
50 | UChar* characters() { return m_characters; } |
51 | unsigned length() { return m_length; } |
52 | |
53 | JSC::UString ustring() const; |
54 | JSC::Identifier identifier(JSC::JSGlobalData*) const; |
55 | |
56 | private: |
57 | friend class WTF::ThreadSafeShared<OpaqueJSString>; |
58 | |
59 | OpaqueJSString() |
60 | : m_characters(0) |
61 | , m_length(0) |
62 | { |
63 | } |
64 | |
65 | OpaqueJSString(const UChar* characters, unsigned length) |
66 | : m_length(length) |
67 | { |
68 | m_characters = new UChar[length]; |
69 | memcpy(dest: m_characters, src: characters, n: length * sizeof(UChar)); |
70 | } |
71 | |
72 | ~OpaqueJSString() |
73 | { |
74 | delete[] m_characters; |
75 | } |
76 | |
77 | UChar* m_characters; |
78 | unsigned m_length; |
79 | }; |
80 | |
81 | #endif |
82 | |