20 lines
586 B
C++
20 lines
586 B
C++
#pragma once
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#include <functional>
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class IStorage
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{
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public:
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typedef std::function<void(const char *, size_t, const void *, size_t)> callback;
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virtual ~IStorage() {}
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virtual void insert(const char *key, size_t cchKey, void *data, size_t cb) = 0;
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virtual void erase(const char *key, size_t cchKey) = 0;
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virtual void retrieve(const char *key, size_t cchKey, callback fn) const = 0;
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virtual size_t clear() = 0;
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virtual void enumerate(callback fn) const = 0;
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/* This is permitted to be a shallow clone */
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virtual const IStorage *clone() const = 0;
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};
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