/* * 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 SecurityOriginHash_h #define SecurityOriginHash_h #include "SecurityOrigin.h" #include <wtf/RefPtr.h> namespace WebCore { struct SecurityOriginHash { static unsigned hash(RefPtr<SecurityOrigin> origin) { unsigned hashCodes[3] = { origin->protocol().impl() ? origin->protocol().impl()->hash() : 0, origin->host().impl() ? origin->host().impl()->hash() : 0, origin->port() }; return StringImpl::computeHash(reinterpret_cast<UChar*>(hashCodes), 3 * sizeof(unsigned) / sizeof(UChar)); } static bool equal(RefPtr<SecurityOrigin> a, RefPtr<SecurityOrigin> b) { if (a == 0 || b == 0) return a == b; return a->equal(b.get()); } static const bool safeToCompareToEmptyOrDeleted = true; }; struct SecurityOriginTraits : WTF::GenericHashTraits<RefPtr<SecurityOrigin> > { static const bool emptyValueIsZero = true; static const RefPtr<SecurityOrigin>& deletedValue() { // Okay deleted value because file: protocols should always have port 0 static const RefPtr<SecurityOrigin> securityOriginDeletedValue = SecurityOrigin::create("file", "", 1, 0); return securityOriginDeletedValue; } static SecurityOrigin* emptyValue() { return 0; } }; } // namespace WebCore #endif