third_party/blink/renderer/core/html/custom/v0_custom_element_descriptor_hash.h

/*
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#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_HTML_CUSTOM_V0_CUSTOM_ELEMENT_DESCRIPTOR_HASH_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_HTML_CUSTOM_V0_CUSTOM_ELEMENT_DESCRIPTOR_HASH_H_

#include "third_party/blink/renderer/core/html/custom/v0_custom_element_descriptor.h"
#include "third_party/blink/renderer/platform/wtf/allocator.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 V0CustomElementDescriptorHash {
  STATIC_ONLY(V0CustomElementDescriptorHash);
  static unsigned GetHash(const V0CustomElementDescriptor& descriptor) {
    return WTF::HashInts(
        AtomicStringHash::GetHash(descriptor.GetType()),
        WTF::HashInts(AtomicStringHash::GetHash(descriptor.NamespaceURI()),
                      AtomicStringHash::GetHash(descriptor.LocalName())));
  }

  static bool Equal(const V0CustomElementDescriptor& a,
                    const V0CustomElementDescriptor& b) {
    return a == b;
  }

  static const bool safe_to_compare_to_empty_or_deleted = true;
};

}  // namespace blink

namespace WTF {

template <>
struct HashTraits<blink::V0CustomElementDescriptor>
    : SimpleClassHashTraits<blink::V0CustomElementDescriptor> {
  STATIC_ONLY(HashTraits);
  static const bool kEmptyValueIsZero =
      HashTraits<AtomicString>::kEmptyValueIsZero;

  static bool IsDeletedValue(const blink::V0CustomElementDescriptor& value) {
    return HashTraits<AtomicString>::IsDeletedValue(value.type_);
  }

  static void ConstructDeletedValue(blink::V0CustomElementDescriptor& slot,
                                    bool zero_value) {
    HashTraits<AtomicString>::ConstructDeletedValue(slot.type_, zero_value);
  }
};

}  // namespace WTF

#endif  // V0CustomElementDescriptorHash