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29 #if ENABLE(DOM_STORAGE)
31 #include "PlatformString.h"
32 #include <wtf/HashMap.h>
33 #include <wtf/PassRefPtr.h>
34 #include <wtf/RefCounted.h>
35 #include <wtf/text/StringHash.h>
39 class StorageMap : public RefCounted<StorageMap> {
41 // Quota size measured in bytes.
42 static PassRefPtr<StorageMap> create(unsigned quotaSize);
44 unsigned length() const;
45 String key(unsigned index);
46 String getItem(const String&) const;
47 PassRefPtr<StorageMap> setItem(const String& key, const String& value, String& oldValue, bool& quota_exception);
48 PassRefPtr<StorageMap> removeItem(const String&, String& oldValue);
50 bool contains(const String& key) const;
52 void importItem(const String& key, const String& value);
54 unsigned quota() const { return m_quotaSize; }
56 static const unsigned noQuota = UINT_MAX;
59 StorageMap(unsigned quota);
60 PassRefPtr<StorageMap> copy();
61 void invalidateIterator();
62 void setIteratorToIndex(unsigned);
64 HashMap<String, String> m_map;
65 HashMap<String, String>::iterator m_iterator;
66 unsigned m_iteratorIndex;
68 unsigned m_quotaSize; // Measured in bytes.
69 unsigned m_currentLength; // Measured in UChars.
72 } // namespace WebCore
74 #endif // ENABLE(DOM_STORAGE)
76 #endif // StorageMap_h