| /* |
| * Copyright (C) 2008 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef OpaqueJSString_h |
| #define OpaqueJSString_h |
| |
| #include <wtf/ThreadSafeRefCounted.h> |
| #include <wtf/text/WTFString.h> |
| |
| namespace JSC { |
| class Identifier; |
| class JSGlobalData; |
| } |
| |
| struct OpaqueJSString : public ThreadSafeRefCounted<OpaqueJSString> { |
| |
| static PassRefPtr<OpaqueJSString> create() // null |
| { |
| return adoptRef(new OpaqueJSString); |
| } |
| |
| static PassRefPtr<OpaqueJSString> create(const LChar* characters, unsigned length) |
| { |
| return adoptRef(new OpaqueJSString(characters, length)); |
| } |
| |
| static PassRefPtr<OpaqueJSString> create(const UChar* characters, unsigned length) |
| { |
| return adoptRef(new OpaqueJSString(characters, length)); |
| } |
| |
| JS_EXPORT_PRIVATE static PassRefPtr<OpaqueJSString> create(const String&); |
| |
| const UChar* characters() { return !!this ? m_string.characters() : 0; } |
| unsigned length() { return !!this ? m_string.length() : 0; } |
| |
| JS_EXPORT_PRIVATE String string() const; |
| JSC::Identifier identifier(JSC::JSGlobalData*) const; |
| |
| private: |
| friend class WTF::ThreadSafeRefCounted<OpaqueJSString>; |
| |
| OpaqueJSString() |
| { |
| } |
| |
| OpaqueJSString(const String& string) |
| { |
| // Make a copy of the source string. |
| if (string.is8Bit()) |
| m_string = String(string.characters8(), string.length()); |
| else |
| m_string = String(string.characters16(), string.length()); |
| } |
| |
| OpaqueJSString(const LChar* characters, unsigned length) |
| { |
| m_string = String(characters, length); |
| } |
| |
| OpaqueJSString(const UChar* characters, unsigned length) |
| { |
| m_string = String(characters, length); |
| } |
| |
| String m_string; |
| }; |
| |
| #endif |