text: /*
   * 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 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 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 KURLHash_h
  #define KURLHash_h
  
  #include "KURL.h"
  #include "PlatformString.h"
  #include <wtf/text/StringHash.h>
  
  namespace WebCore {
  
      struct KURLHash {
          static unsigned hash(const KURL& key)
          {
              return key.string().impl()->hash();
          }
  
          static bool equal(const KURL& a, const KURL& b)
          {
              return StringHash::equal(a.string(), b.string());
          }
  
          static const bool safeToCompareToEmptyOrDeleted = false;
      };
  
  } // namespace WebCore
  
  namespace WTF {
  
      template<> struct HashTraits<WebCore::KURL> : GenericHashTraits<WebCore::KURL> {
          static const bool emptyValueIsZero = true;
          static void constructDeletedValue(WebCore::KURL& slot) { new (&slot) WebCore::KURL(WebCore::ParsedURLString, WTF::String(HashTableDeletedValue)); }
          static bool isDeletedValue(const WebCore::KURL& slot) { return slot.string().isHashTableDeletedValue(); }
      };
  
  } // namespace WTF
  
  #endif // KURLHash_h
  