SQLiteIDBBackingStore.h [plain text]
#ifndef SQLiteIDBBackingStore_h
#define SQLiteIDBBackingStore_h
#if ENABLE(INDEXED_DATABASE)
#include "IDBBackingStore.h"
#include "IDBDatabaseIdentifier.h"
#include "IDBDatabaseInfo.h"
#include "IDBResourceIdentifier.h"
#include "SQLiteIDBTransaction.h"
#include <JavaScriptCore/Strong.h>
#include <wtf/HashMap.h>
namespace WebCore {
class IndexKey;
class SQLiteDatabase;
namespace IDBServer {
class SQLiteIDBCursor;
class SQLiteIDBBackingStore : public IDBBackingStore {
public:
SQLiteIDBBackingStore(const IDBDatabaseIdentifier&, const String& databaseRootDirectory, IDBBackingStoreTemporaryFileHandler&);
~SQLiteIDBBackingStore() final;
IDBError getOrEstablishDatabaseInfo(IDBDatabaseInfo&) final;
IDBError beginTransaction(const IDBTransactionInfo&) final;
IDBError abortTransaction(const IDBResourceIdentifier& transactionIdentifier) final;
IDBError commitTransaction(const IDBResourceIdentifier& transactionIdentifier) final;
IDBError createObjectStore(const IDBResourceIdentifier& transactionIdentifier, const IDBObjectStoreInfo&) final;
IDBError deleteObjectStore(const IDBResourceIdentifier& transactionIdentifier, uint64_t objectStoreIdentifier) final;
IDBError clearObjectStore(const IDBResourceIdentifier& transactionIdentifier, uint64_t objectStoreIdentifier) final;
IDBError createIndex(const IDBResourceIdentifier& transactionIdentifier, const IDBIndexInfo&) final;
IDBError deleteIndex(const IDBResourceIdentifier& transactionIdentifier, uint64_t objectStoreIdentifier, uint64_t indexIdentifier) final;
IDBError keyExistsInObjectStore(const IDBResourceIdentifier& transactionIdentifier, uint64_t objectStoreIdentifier, const IDBKeyData&, bool& keyExists) final;
IDBError deleteRange(const IDBResourceIdentifier& transactionIdentifier, uint64_t objectStoreIdentifier, const IDBKeyRangeData&) final;
IDBError addRecord(const IDBResourceIdentifier& transactionIdentifier, const IDBObjectStoreInfo&, const IDBKeyData&, const IDBValue&) final;
IDBError getRecord(const IDBResourceIdentifier& transactionIdentifier, uint64_t objectStoreIdentifier, const IDBKeyRangeData&, IDBGetResult& outValue) final;
IDBError getIndexRecord(const IDBResourceIdentifier& transactionIdentifier, uint64_t objectStoreIdentifier, uint64_t indexIdentifier, IndexedDB::IndexRecordType, const IDBKeyRangeData&, IDBGetResult& outValue) final;
IDBError getCount(const IDBResourceIdentifier& transactionIdentifier, uint64_t objectStoreIdentifier, uint64_t indexIdentifier, const IDBKeyRangeData&, uint64_t& outCount) final;
IDBError generateKeyNumber(const IDBResourceIdentifier& transactionIdentifier, uint64_t objectStoreIdentifier, uint64_t& keyNumber) final;
IDBError revertGeneratedKeyNumber(const IDBResourceIdentifier& transactionIdentifier, uint64_t objectStoreIdentifier, uint64_t keyNumber) final;
IDBError maybeUpdateKeyGeneratorNumber(const IDBResourceIdentifier& transactionIdentifier, uint64_t objectStoreIdentifier, double newKeyNumber) final;
IDBError openCursor(const IDBResourceIdentifier& transactionIdentifier, const IDBCursorInfo&, IDBGetResult& outResult) final;
IDBError iterateCursor(const IDBResourceIdentifier& transactionIdentifier, const IDBResourceIdentifier& cursorIdentifier, const IDBKeyData&, uint32_t count, IDBGetResult& outResult) final;
IDBObjectStoreInfo* infoForObjectStore(uint64_t objectStoreIdentifier) final;
void deleteBackingStore() final;
bool supportsSimultaneousTransactions() final { return false; }
bool isEphemeral() final { return false; }
void unregisterCursor(SQLiteIDBCursor&);
String fullDatabaseDirectory() const;
IDBBackingStoreTemporaryFileHandler& temporaryFileHandler() const { return m_temporaryFileHandler; }
IDBError getBlobRecordsForObjectStoreRecord(int64_t objectStoreRecord, Vector<String>& blobURLs, Vector<String>& blobFilePaths);
static String databaseNameFromEncodedFilename(const String&);
private:
String filenameForDatabaseName() const;
String fullDatabasePath() const;
bool ensureValidRecordsTable();
bool ensureValidIndexRecordsTable();
bool ensureValidBlobTables();
std::unique_ptr<IDBDatabaseInfo> createAndPopulateInitialDatabaseInfo();
std::unique_ptr<IDBDatabaseInfo> extractExistingDatabaseInfo();
IDBError deleteRecord(SQLiteIDBTransaction&, int64_t objectStoreID, const IDBKeyData&);
IDBError uncheckedGetKeyGeneratorValue(int64_t objectStoreID, uint64_t& outValue);
IDBError uncheckedSetKeyGeneratorValue(int64_t objectStoreID, uint64_t value);
IDBError updateAllIndexesForAddRecord(const IDBObjectStoreInfo&, const IDBKeyData&, const ThreadSafeDataBuffer& value);
IDBError updateOneIndexForAddRecord(const IDBIndexInfo&, const IDBKeyData&, const ThreadSafeDataBuffer& value);
IDBError uncheckedPutIndexKey(const IDBIndexInfo&, const IDBKeyData& keyValue, const IndexKey&);
IDBError uncheckedPutIndexRecord(int64_t objectStoreID, int64_t indexID, const IDBKeyData& keyValue, const IDBKeyData& indexKey);
IDBError uncheckedHasIndexRecord(const IDBIndexInfo&, const IDBKeyData&, bool& hasRecord);
IDBError deleteUnusedBlobFileRecords(SQLiteIDBTransaction&);
JSC::VM& vm();
JSC::JSGlobalObject& globalObject();
void initializeVM();
IDBDatabaseIdentifier m_identifier;
std::unique_ptr<IDBDatabaseInfo> m_databaseInfo;
std::unique_ptr<IDBDatabaseInfo> m_originalDatabaseInfoBeforeVersionChange;
std::unique_ptr<SQLiteDatabase> m_sqliteDB;
HashMap<IDBResourceIdentifier, std::unique_ptr<SQLiteIDBTransaction>> m_transactions;
HashMap<IDBResourceIdentifier, SQLiteIDBCursor*> m_cursors;
String m_absoluteDatabaseDirectory;
RefPtr<JSC::VM> m_vm;
JSC::Strong<JSC::JSGlobalObject> m_globalObject;
IDBBackingStoreTemporaryFileHandler& m_temporaryFileHandler;
};
} }
#endif // ENABLE(INDEXED_DATABASE)
#endif // SQLiteIDBBackingStore_h