| /* |
| * 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 THIRD_PARTY_BLINK_RENDERER_PLATFORM_WEBORIGIN_KURL_HASH_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_PLATFORM_WEBORIGIN_KURL_HASH_H_ |
| |
| #include "third_party/blink/renderer/platform/weborigin/kurl.h" |
| #include "third_party/blink/renderer/platform/wtf/allocator/allocator.h" |
| #include "third_party/blink/renderer/platform/wtf/text/string_hash.h" |
| #include "third_party/blink/renderer/platform/wtf/text/wtf_string.h" |
| |
| namespace blink { |
| |
| // KURLHash doesn't support null KURLs. get(), contains(), and add() on |
| // HashMap<KURL,..., KURLHash> cause a null-pointer dereference when passed null |
| // KURLs. |
| |
| struct KURLHash { |
| STATIC_ONLY(KURLHash); |
| static unsigned GetHash(const KURL& key) { |
| return key.GetString().Impl()->GetHash(); |
| } |
| |
| static bool Equal(const KURL& a, const KURL& b) { |
| return StringHash::Equal(a.GetString(), b.GetString()); |
| } |
| |
| static const bool safe_to_compare_to_empty_or_deleted = false; |
| }; |
| |
| } // namespace blink |
| |
| namespace WTF { |
| |
| template <> |
| struct HashTraits<blink::KURL> : SimpleClassHashTraits<blink::KURL> { |
| static bool IsDeletedValue(const blink::KURL& value) { |
| return HashTraits<String>::IsDeletedValue(value.GetString()); |
| } |
| |
| static void ConstructDeletedValue(blink::KURL& slot, bool zero_value) { |
| HashTraits<String>::ConstructDeletedValue(slot.string_, zero_value); |
| } |
| }; |
| |
| } // namespace WTF |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_WEBORIGIN_KURL_HASH_H_ |