diff options
Diffstat (limited to 'Source/WebCore/bindings/v8/DOMDataStore.h')
| -rw-r--r-- | Source/WebCore/bindings/v8/DOMDataStore.h | 162 |
1 files changed, 0 insertions, 162 deletions
diff --git a/Source/WebCore/bindings/v8/DOMDataStore.h b/Source/WebCore/bindings/v8/DOMDataStore.h index dbead9c..ffb9df5 100644 --- a/Source/WebCore/bindings/v8/DOMDataStore.h +++ b/Source/WebCore/bindings/v8/DOMDataStore.h @@ -51,95 +51,6 @@ namespace WebCore { typedef WTF::Vector<DOMDataStore*> DOMDataList; - template <class T, int CHUNK_SIZE, class Traits> - class ChunkedTable { - public: - ChunkedTable() : m_chunks(0), m_current(0), m_last(0) { } - - T* add(T element) - { - if (m_current == m_last) { - m_chunks = new Chunk(m_chunks); - m_current = m_chunks->m_entries; - m_last = m_current + CHUNK_SIZE; - } - ASSERT((m_chunks->m_entries <= m_current) && (m_current < m_last)); - T* p = m_current++; - *p = element; - return p; - } - - void remove(T* element) - { - ASSERT(element); - ASSERT(m_current > m_chunks->m_entries); - m_current--; - if (element != m_current) - Traits::move(element, m_current); - if (m_current == m_chunks->m_entries) { - Chunk* toDelete = m_chunks; - m_chunks = toDelete->m_previous; - m_current = m_last = m_chunks ? m_chunks->m_entries + CHUNK_SIZE : 0; - delete toDelete; - } - ASSERT(!m_chunks || ((m_chunks->m_entries < m_current) && (m_current <= m_last))); - } - - void clear() - { - if (!m_chunks) - return; - - clearEntries(m_chunks->m_entries, m_current); - Chunk* last = m_chunks; - while (true) { - Chunk* previous = last->m_previous; - if (!previous) - break; - delete last; - clearEntries(previous->m_entries, previous->m_entries + CHUNK_SIZE); - last = previous; - } - - m_chunks = last; - m_current = m_chunks->m_entries; - m_last = m_current + CHUNK_SIZE; - } - - void visit(DOMDataStore* store, typename Traits::Visitor* visitor) - { - if (!m_chunks) - return; - - visitEntries(store, m_chunks->m_entries, m_current, visitor); - for (Chunk* chunk = m_chunks->m_previous; chunk; chunk = chunk->m_previous) - visitEntries(store, chunk->m_entries, chunk->m_entries + CHUNK_SIZE, visitor); - } - - private: - struct Chunk { - explicit Chunk(Chunk* previous) : m_previous(previous) { } - Chunk* const m_previous; - T m_entries[CHUNK_SIZE]; - }; - - static void clearEntries(T* first, T* last) - { - for (T* entry = first; entry < last; entry++) - Traits::clear(entry); - } - - static void visitEntries(DOMDataStore* store, T* first, T* last, typename Traits::Visitor* visitor) - { - for (T* entry = first; entry < last; entry++) - Traits::visit(store, entry, visitor); - } - - Chunk* m_chunks; - T* m_current; - T* m_last; - }; - // DOMDataStore // // DOMDataStore is the backing store that holds the maps between DOM objects @@ -161,79 +72,6 @@ namespace WebCore { #endif }; - class IntrusiveDOMWrapperMap : public AbstractWeakReferenceMap<Node, v8::Object> { - public: - IntrusiveDOMWrapperMap(v8::WeakReferenceCallback callback) - : AbstractWeakReferenceMap<Node, v8::Object>(callback) { } - - virtual v8::Persistent<v8::Object> get(Node* obj) - { - v8::Persistent<v8::Object>* wrapper = obj->wrapper(); - return wrapper ? *wrapper : v8::Persistent<v8::Object>(); - } - - virtual void set(Node* obj, v8::Persistent<v8::Object> wrapper) - { - ASSERT(obj); - ASSERT(!obj->wrapper()); - v8::Persistent<v8::Object>* entry = m_table.add(wrapper); - obj->setWrapper(entry); - wrapper.MakeWeak(obj, weakReferenceCallback()); - } - - virtual bool contains(Node* obj) - { - return obj->wrapper(); - } - - virtual void visit(DOMDataStore* store, Visitor* visitor) - { - m_table.visit(store, visitor); - } - - virtual bool removeIfPresent(Node*, v8::Persistent<v8::Object>); - - virtual void clear() - { - m_table.clear(); - } - - private: - static int const numberOfEntries = (1 << 10) - 1; - - struct ChunkedTableTraits { - typedef IntrusiveDOMWrapperMap::Visitor Visitor; - - static void move(v8::Persistent<v8::Object>* target, v8::Persistent<v8::Object>* source) - { - *target = *source; - Node* node = V8Node::toNative(*target); - ASSERT(node); - node->setWrapper(target); - } - - static void clear(v8::Persistent<v8::Object>* entry) - { - Node* node = V8Node::toNative(*entry); - ASSERT(node->wrapper() == entry); - - node->clearWrapper(); - entry->Dispose(); - } - - static void visit(DOMDataStore* store, v8::Persistent<v8::Object>* entry, Visitor* visitor) - { - Node* node = V8Node::toNative(*entry); - ASSERT(node->wrapper() == entry); - - visitor->visitDOMWrapper(store, node, *entry); - } - }; - - typedef ChunkedTable<v8::Persistent<v8::Object>, numberOfEntries, ChunkedTableTraits> Table; - Table m_table; - }; - DOMDataStore(DOMData*); virtual ~DOMDataStore(); |