| // Copyright 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CSSPropertyIDTemplates_h |
| #define CSSPropertyIDTemplates_h |
| |
| #include "core/CSSPropertyNames.h" |
| #include "wtf/HashFunctions.h" |
| #include "wtf/HashTraits.h" |
| |
| namespace WTF { |
| template <> |
| struct DefaultHash<blink::CSSPropertyID> { |
| typedef IntHash<unsigned> Hash; |
| }; |
| template <> |
| struct HashTraits<blink::CSSPropertyID> |
| : GenericHashTraits<blink::CSSPropertyID> { |
| static const bool emptyValueIsZero = true; |
| static void constructDeletedValue(blink::CSSPropertyID& slot, bool) { |
| slot = |
| static_cast<blink::CSSPropertyID>(blink::lastUnresolvedCSSProperty + 1); |
| } |
| static bool isDeletedValue(blink::CSSPropertyID value) { |
| return value == (blink::lastUnresolvedCSSProperty + 1); |
| } |
| }; |
| } // namespace WTF |
| |
| #endif // CSSPropertyIDTemplates_h |
