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-rw-r--r--Source/WebCore/page/SessionID.h76
1 files changed, 0 insertions, 76 deletions
diff --git a/Source/WebCore/page/SessionID.h b/Source/WebCore/page/SessionID.h
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index 0dbaa1b47..000000000
--- a/Source/WebCore/page/SessionID.h
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-/*
- * Copyright (C) 2014 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 INC. 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 INC. 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 SessionID_h
-#define SessionID_h
-
-#include <wtf/HashFunctions.h>
-#include <wtf/HashTraits.h>
-
-namespace WebCore {
-
-class SessionID {
-public:
- SessionID()
- : SessionID(emptySessionID()) { }
- explicit SessionID(uint64_t sessionID)
- : m_sessionID(sessionID) { }
- bool isValid() const { return *this != emptySessionID(); }
- bool isEphemeral() const { return *this != defaultSessionID(); }
- uint64_t sessionID() const { return m_sessionID; }
- bool operator==(SessionID sessionID) const { return m_sessionID == sessionID.m_sessionID; }
- bool operator!=(SessionID sessionID) const { return m_sessionID != sessionID.m_sessionID; }
-
- static SessionID emptySessionID() { return SessionID(0); }
- static SessionID defaultSessionID() { return SessionID(1); }
- static SessionID legacyPrivateSessionID() { return SessionID(2); }
-private:
- uint64_t m_sessionID;
-};
-
-}
-
-namespace WTF {
-
-// The empty value is emptySessionID(), the deleted value is (-1)
-struct SessionIDHash {
- static unsigned hash(const WebCore::SessionID& p) { return intHash(p.sessionID()); }
- static bool equal(const WebCore::SessionID& a, const WebCore::SessionID& b) { return a == b; }
- static const bool safeToCompareToEmptyOrDeleted = true;
-};
-template<> struct HashTraits<WebCore::SessionID> : GenericHashTraits<WebCore::SessionID> {
- static const uint64_t deletedValueIdentifier = std::numeric_limits<uint64_t>::max();
- static WebCore::SessionID emptyValue() { return WebCore::SessionID::emptySessionID(); }
-
- static void constructDeletedValue(WebCore::SessionID& slot) { slot = WebCore::SessionID(deletedValueIdentifier); }
- static bool isDeletedValue(const WebCore::SessionID& slot) { return slot == WebCore::SessionID(deletedValueIdentifier); }
-};
-template<> struct DefaultHash<WebCore::SessionID> {
- typedef SessionIDHash Hash;
-};
-
-}
-
-#endif // SessionID_h