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-rw-r--r--WebCore/platform/text/AtomicStringHash.h64
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diff --git a/WebCore/platform/text/AtomicStringHash.h b/WebCore/platform/text/AtomicStringHash.h
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--- a/WebCore/platform/text/AtomicStringHash.h
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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.
- * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
- * its contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "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 OR ITS 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 AtomicStringHash_h
-#define AtomicStringHash_h
-
-#include "AtomicString.h"
-#include <wtf/HashTraits.h>
-
-namespace WebCore {
-
- struct AtomicStringHash {
- static unsigned hash(const AtomicString& key)
- {
- return key.impl()->existingHash();
- }
-
- static bool equal(const AtomicString& a, const AtomicString& b)
- {
- return a == b;
- }
-
- static const bool safeToCompareToEmptyOrDeleted = false;
- };
-
-}
-
-namespace WTF {
-
- // WebCore::AtomicStringHash is the default hash for AtomicString
- template<> struct HashTraits<WTF::AtomicString> : GenericHashTraits<WTF::AtomicString> {
- static const bool emptyValueIsZero = true;
- static void constructDeletedValue(WTF::AtomicString& slot) { new (&slot) WTF::AtomicString(HashTableDeletedValue); }
- static bool isDeletedValue(const WTF::AtomicString& slot) { return slot.isHashTableDeletedValue(); }
- };
-
-}
-
-#endif