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31 #ifndef CustomElementDescriptor_h
32 #define CustomElementDescriptor_h
34 #include "platform/heap/Handle.h"
35 #include "wtf/HashTableDeletedValueType.h"
36 #include "wtf/text/AtomicString.h"
40 struct CustomElementDescriptorHash;
42 // A Custom Element descriptor is everything necessary to match a
43 // Custom Element instance to a definition.
44 class CustomElementDescriptor {
45 ALLOW_ONLY_INLINE_ALLOCATION();
47 CustomElementDescriptor(const AtomicString& type, const AtomicString& namespaceURI, const AtomicString& localName)
49 , m_namespaceURI(namespaceURI)
50 , m_localName(localName)
54 ~CustomElementDescriptor() { }
56 // Specifies whether the custom element is in the HTML or SVG
58 const AtomicString& namespaceURI() const { return m_namespaceURI; }
61 const AtomicString& localName() const { return m_localName; }
63 // The name of the definition. For custom tags, this is the tag
64 // name and the same as "localName". For type extensions, this is
65 // the value of the "is" attribute.
66 const AtomicString& type() const { return m_type; }
68 bool isTypeExtension() const { return m_type != m_localName; }
72 CustomElementDescriptor() { }
73 explicit CustomElementDescriptor(WTF::HashTableDeletedValueType value)
75 bool isHashTableDeletedValue() const { return m_type.isHashTableDeletedValue(); }
77 bool operator==(const CustomElementDescriptor& other) const
79 return m_type == other.m_type
80 && m_localName == other.m_localName
81 && m_namespaceURI == other.m_namespaceURI;
86 AtomicString m_namespaceURI;
87 AtomicString m_localName;
94 template<typename T> struct DefaultHash;
95 template<> struct DefaultHash<blink::CustomElementDescriptor> {
96 typedef blink::CustomElementDescriptorHash Hash;
101 #endif // CustomElementDescriptor_h