| // 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 THIRD_PARTY_BLINK_RENDERER_CORE_HTML_CUSTOM_CUSTOM_ELEMENT_DESCRIPTOR_HASH_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_HTML_CUSTOM_CUSTOM_ELEMENT_DESCRIPTOR_HASH_H_ |
| |
| #include "third_party/blink/renderer/core/html/custom/custom_element_descriptor.h" |
| #include "third_party/blink/renderer/platform/wtf/hash_functions.h" |
| #include "third_party/blink/renderer/platform/wtf/hash_traits.h" |
| #include "third_party/blink/renderer/platform/wtf/text/atomic_string_hash.h" |
| |
| namespace blink { |
| |
| struct CustomElementDescriptorHash { |
| STATIC_ONLY(CustomElementDescriptorHash); |
| static unsigned GetHash(const CustomElementDescriptor& descriptor) { |
| return WTF::HashInts(AtomicStringHash::GetHash(descriptor.GetName()), |
| AtomicStringHash::GetHash(descriptor.LocalName())); |
| } |
| |
| static bool Equal(const CustomElementDescriptor& a, |
| const CustomElementDescriptor& b) { |
| return a == b; |
| } |
| |
| static const bool safe_to_compare_to_empty_or_deleted = true; |
| }; |
| |
| } // namespace blink |
| |
| namespace WTF { |
| |
| template <> |
| struct HashTraits<blink::CustomElementDescriptor> |
| : SimpleClassHashTraits<blink::CustomElementDescriptor> { |
| STATIC_ONLY(HashTraits); |
| static const bool kEmptyValueIsZero = |
| HashTraits<AtomicString>::kEmptyValueIsZero; |
| |
| static bool IsDeletedValue(const blink::CustomElementDescriptor& value) { |
| return HashTraits<AtomicString>::IsDeletedValue(value.name_); |
| } |
| |
| static void ConstructDeletedValue(blink::CustomElementDescriptor& slot, |
| bool zero_value) { |
| HashTraits<AtomicString>::ConstructDeletedValue(slot.name_, zero_value); |
| } |
| }; |
| |
| template <> |
| struct DefaultHash<blink::CustomElementDescriptor> { |
| using Hash = blink::CustomElementDescriptorHash; |
| }; |
| |
| } // namespace WTF |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_CORE_HTML_CUSTOM_CUSTOM_ELEMENT_DESCRIPTOR_HASH_H_ |