#pragma once #include #include class Storage { public: enum AccessMode { ReadOnly, ReadWrite }; Storage(const QString &storageRoot, const QString &name, AccessMode mode = ReadOnly); ~Storage(); bool isInTransaction() const; bool startTransaction(AccessMode mode = ReadWrite); bool commitTransaction(); void abortTransaction(); bool write(const char *key, size_t keySize, const char *value, size_t valueSize); bool write(const std::string &sKey, const std::string &sValue); //Perhaps prefer iterators (assuming we need to be able to match multiple values bool read(const std::string &sKey, const std::function &); bool read(const std::string &sKey, const std::function &); qint64 diskUsage() const; void removeFromDisk() const; private: class Private; Private * const d; };