UniqueIDBDatabaseBackingStoreSQLite.h [plain text]
#ifndef UniqueIDBDatabaseBackingStoreSQLite_h
#define UniqueIDBDatabaseBackingStoreSQLite_h
#if ENABLE(INDEXED_DATABASE) && ENABLE(DATABASE_PROCESS)
#include "UniqueIDBDatabase.h"
#include "UniqueIDBDatabaseBackingStore.h"
#include <JavaScriptCore/Strong.h>
#include <wtf/PassRefPtr.h>
#include <wtf/text/WTFString.h>
namespace JSC {
class JSGlobalObject;
class VM;
}
namespace WebCore {
class SQLiteDatabase;
struct IDBDatabaseMetadata;
}
namespace WebKit {
class SQLiteIDBCursor;
class SQLiteIDBTransaction;
class UniqueIDBDatabaseBackingStoreSQLite final : public UniqueIDBDatabaseBackingStore {
public:
static PassRefPtr<UniqueIDBDatabaseBackingStore> create(const UniqueIDBDatabaseIdentifier& identifier, const String& databaseDirectory)
{
return adoptRef(new UniqueIDBDatabaseBackingStoreSQLite(identifier, databaseDirectory));
}
virtual ~UniqueIDBDatabaseBackingStoreSQLite();
virtual std::unique_ptr<WebCore::IDBDatabaseMetadata> getOrEstablishMetadata() override;
virtual bool establishTransaction(const IDBIdentifier& transactionIdentifier, const Vector<int64_t>& objectStoreIDs, WebCore::IndexedDB::TransactionMode) override;
virtual bool beginTransaction(const IDBIdentifier&) override;
virtual bool commitTransaction(const IDBIdentifier&) override;
virtual bool resetTransaction(const IDBIdentifier&) override;
virtual bool rollbackTransaction(const IDBIdentifier&) override;
virtual bool changeDatabaseVersion(const IDBIdentifier& transactionIdentifier, uint64_t newVersion) override;
virtual bool createObjectStore(const IDBIdentifier& transactionIdentifier, const WebCore::IDBObjectStoreMetadata&) override;
virtual bool deleteObjectStore(const IDBIdentifier& transactionIdentifier, int64_t objectStoreID) override;
virtual bool clearObjectStore(const IDBIdentifier& transactionIdentifier, int64_t objectStoreID) override;
virtual bool createIndex(const IDBIdentifier& transactionIdentifier, int64_t objectStoreID, const WebCore::IDBIndexMetadata&) override;
virtual bool deleteIndex(const IDBIdentifier& transactionIdentifier, int64_t objectStoreID, int64_t indexID) override;
virtual bool generateKeyNumber(const IDBIdentifier& transactionIdentifier, int64_t objectStoreID, int64_t& generatedKey) override;
virtual bool updateKeyGeneratorNumber(const IDBIdentifier& transactionIdentifier, int64_t objectStoreId, int64_t keyNumber, bool checkCurrent) override;
virtual bool keyExistsInObjectStore(const IDBIdentifier& transactionIdentifier, int64_t objectStoreID, const WebCore::IDBKeyData&, bool& keyExists) override;
virtual bool putRecord(const IDBIdentifier& transactionIdentifier, int64_t objectStoreID, const WebCore::IDBKeyData&, const uint8_t* valueBuffer, size_t valueSize) override;
virtual bool putIndexRecord(const IDBIdentifier& transactionIdentifier, int64_t objectStoreID, int64_t indexID, const WebCore::IDBKeyData& keyValue, const WebCore::IDBKeyData& indexKey) override;
virtual bool getIndexRecord(const IDBIdentifier& transactionIdentifier, int64_t objectStoreID, int64_t indexID, const WebCore::IDBKeyRangeData&, WebCore::IndexedDB::CursorType, WebCore::IDBGetResult&) override;
virtual bool deleteRange(const IDBIdentifier& transactionIdentifier, int64_t objectStoreID, const WebCore::IDBKeyRangeData&) override;
virtual bool deleteRecord(const IDBIdentifier& transactionIdentifier, int64_t objectStoreID, const WebCore::IDBKeyData&) override;
virtual bool getKeyRecordFromObjectStore(const IDBIdentifier& transactionIdentifier, int64_t objectStoreID, const WebCore::IDBKey&, RefPtr<WebCore::SharedBuffer>& result) override;
virtual bool getKeyRangeRecordFromObjectStore(const IDBIdentifier& transactionIdentifier, int64_t objectStoreID, const WebCore::IDBKeyRange&, RefPtr<WebCore::SharedBuffer>& result, RefPtr<WebCore::IDBKey>& resultKey) override;
virtual bool count(const IDBIdentifier& transactionIdentifier, int64_t objectStoreID, int64_t indexID, const WebCore::IDBKeyRangeData&, int64_t& count) override;
virtual bool openCursor(const IDBIdentifier& transactionIdentifier, int64_t objectStoreID, int64_t indexID, WebCore::IndexedDB::CursorDirection, WebCore::IndexedDB::CursorType, WebCore::IDBDatabaseBackend::TaskType, const WebCore::IDBKeyRangeData&, int64_t& cursorID, WebCore::IDBKeyData&, WebCore::IDBKeyData&, Vector<uint8_t>&) override;
virtual bool advanceCursor(const IDBIdentifier& cursorIdentifier, uint64_t count, WebCore::IDBKeyData&, WebCore::IDBKeyData&, Vector<uint8_t>&) override;
virtual bool iterateCursor(const IDBIdentifier& cursorIdentifier, const WebCore::IDBKeyData&, WebCore::IDBKeyData&, WebCore::IDBKeyData&, Vector<uint8_t>&) override;
virtual void notifyCursorsOfChanges(const IDBIdentifier& transactionIdentifier, int64_t objectStoreID) override;
void unregisterCursor(SQLiteIDBCursor*);
private:
UniqueIDBDatabaseBackingStoreSQLite(const UniqueIDBDatabaseIdentifier&, const String& databaseDirectory);
std::unique_ptr<WebCore::SQLiteDatabase> openSQLiteDatabaseAtPath(const String&);
std::unique_ptr<WebCore::IDBDatabaseMetadata> extractExistingMetadata();
std::unique_ptr<WebCore::IDBDatabaseMetadata> createAndPopulateInitialMetadata();
bool deleteRecord(SQLiteIDBTransaction&, int64_t objectStoreID, const WebCore::IDBKeyData&);
bool uncheckedPutIndexRecord(int64_t objectStoreID, int64_t indexID, const WebCore::IDBKeyData& keyValue, const WebCore::IDBKeyData& indexKey);
int idbKeyCollate(int aLength, const void* a, int bLength, const void* b);
UniqueIDBDatabaseIdentifier m_identifier;
String m_absoluteDatabaseDirectory;
std::unique_ptr<WebCore::SQLiteDatabase> m_sqliteDB;
HashMap<IDBIdentifier, std::unique_ptr<SQLiteIDBTransaction>> m_transactions;
HashMap<IDBIdentifier, SQLiteIDBCursor*> m_cursors;
RefPtr<JSC::VM> m_vm;
JSC::Strong<JSC::JSGlobalObject> m_globalObject;
};
}
#endif // ENABLE(INDEXED_DATABASE) && ENABLE(DATABASE_PROCESS)
#endif // UniqueIDBDatabaseBackingStoreSQLite_h