| 1 | /* |
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| 2 | * Copyright (C) 2008 Apple Inc. All rights reserved. |
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| 3 | * |
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| 4 | * Redistribution and use in source and binary forms, with or without |
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| 5 | * modification, are permitted provided that the following conditions |
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| 6 | * are met: |
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| 7 | * 1. Redistributions of source code must retain the above copyright |
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| 8 | * notice, this list of conditions and the following disclaimer. |
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| 9 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer in the |
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| 11 | * documentation and/or other materials provided with the distribution. |
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| 12 | * |
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| 13 | * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
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| 14 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 15 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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| 16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
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| 17 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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| 18 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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| 19 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
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| 20 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
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| 21 | * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 22 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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| 23 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 24 | */ |
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| 25 | |
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| 26 | #ifndef OpaqueJSString_h |
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| 27 | #define OpaqueJSString_h |
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| 28 | |
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| 29 | #include <runtime/UString.h> |
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| 30 | |
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| 31 | namespace JSC { |
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| 32 | class Identifier; |
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| 33 | class JSGlobalData; |
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| 34 | } |
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| 35 | |
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| 36 | struct OpaqueJSString : public ThreadSafeShared<OpaqueJSString> { |
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| 37 | |
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| 38 | static PassRefPtr<OpaqueJSString> create() // null |
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| 39 | { |
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| 40 | return adoptRef(p: new OpaqueJSString); |
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| 41 | } |
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| 42 | |
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| 43 | static PassRefPtr<OpaqueJSString> create(const UChar* characters, unsigned length) |
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| 44 | { |
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| 45 | return adoptRef(p: new OpaqueJSString(characters, length)); |
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| 46 | } |
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| 47 | |
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| 48 | static PassRefPtr<OpaqueJSString> create(const JSC::UString&); |
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| 49 | |
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| 50 | UChar* characters() { return m_characters; } |
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| 51 | unsigned length() { return m_length; } |
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| 52 | |
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| 53 | JSC::UString ustring() const; |
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| 54 | JSC::Identifier identifier(JSC::JSGlobalData*) const; |
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| 55 | |
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| 56 | private: |
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| 57 | friend class WTF::ThreadSafeShared<OpaqueJSString>; |
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| 58 | |
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| 59 | OpaqueJSString() |
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| 60 | : m_characters(0) |
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| 61 | , m_length(0) |
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| 62 | { |
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| 63 | } |
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| 64 | |
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| 65 | OpaqueJSString(const UChar* characters, unsigned length) |
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| 66 | : m_length(length) |
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| 67 | { |
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| 68 | m_characters = new UChar[length]; |
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| 69 | memcpy(dest: m_characters, src: characters, n: length * sizeof(UChar)); |
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| 70 | } |
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| 71 | |
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| 72 | ~OpaqueJSString() |
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| 73 | { |
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| 74 | delete[] m_characters; |
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| 75 | } |
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| 76 | |
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| 77 | UChar* m_characters; |
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| 78 | unsigned m_length; |
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| 79 | }; |
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| 80 | |
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| 81 | #endif |
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| 82 | |
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