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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 SecurityOriginHash_h
#define SecurityOriginHash_h
#include "KURL.h"
#include "SecurityOrigin.h"
#include <wtf/RefPtr.h>
namespace WebCore {
struct SecurityOriginHash {
static unsigned hash(SecurityOrigin* origin)
{
unsigned hashCodes[3] = {
origin->protocol().impl() ? origin->protocol().impl()->hash() : 0,
origin->host().impl() ? origin->host().impl()->hash() : 0,
origin->port()
};
return StringHasher::hashMemory<sizeof(hashCodes)>(hashCodes);
}
static unsigned hash(const RefPtr<SecurityOrigin>& origin)
{
return hash(origin.get());
}
static bool equal(SecurityOrigin* a, SecurityOrigin* b)
{
// FIXME: The hash function above compares three specific fields.
// This code to compare those three specific fields should be moved here from
// SecurityOrigin as mentioned in SecurityOrigin.h so we don't accidentally change
// equal without changing hash to match it.
if (!a || !b)
return a == b;
return a->equal(b);
}
static bool equal(SecurityOrigin* a, const RefPtr<SecurityOrigin>& b)
{
return equal(a, b.get());
}
static bool equal(const RefPtr<SecurityOrigin>& a, SecurityOrigin* b)
{
return equal(a.get(), b);
}
static bool equal(const RefPtr<SecurityOrigin>& a, const RefPtr<SecurityOrigin>& b)
{
return equal(a.get(), b.get());
}
static const bool safeToCompareToEmptyOrDeleted = false;
};
} // namespace WebCore
namespace WTF {
template<typename> struct DefaultHash;
template<> struct DefaultHash<RefPtr<WebCore::SecurityOrigin> > {
typedef WebCore::SecurityOriginHash Hash;
};
} // namespace WTF
#endif // SecurityOriginHash_h