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- /*
- * 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 VM;
- }
- 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&);
- #if COMPILER(CLANG)
- #pragma clang diagnostic push
- #pragma clang diagnostic ignored "-Wunknown-pragmas"
- #pragma clang diagnostic ignored "-Wundefined-bool-conversion"
- #endif
- const UChar* characters() { return !!this ? m_string.characters() : 0; }
- unsigned length() { return !!this ? m_string.length() : 0; }
- #if COMPILER(CLANG)
- #pragma clang diagnostic pop
- #endif
- JS_EXPORT_PRIVATE String string() const;
- JSC::Identifier identifier(JSC::VM*) const;
- #if PLATFORM(QT)
- QString qString() const { return m_string; }
- #endif
- private:
- friend class WTF::ThreadSafeRefCounted<OpaqueJSString>;
- OpaqueJSString()
- {
- }
- OpaqueJSString(const String& string)
- : m_string(string.isolatedCopy())
- {
- }
- 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
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