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57 lines
1.1 KiB
57 lines
1.1 KiB
#pragma once
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#include "cow.h"
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#include <memory>
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struct Cow {
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struct Fake;
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Cow() = delete;
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Cow(size_t size);
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Cow(Cow&& m);
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virtual ~Cow();
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virtual Fake clone() const;
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inline void* area() { return cow_ptr(get_raw()); }
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inline const void* area() const { return cow_ptr_of(const void, get_raw()); }
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inline size_t size() const { return cow_size(get_raw()); }
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inline unsigned char* as_bytes() { return (unsigned char*)area(); }
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inline const unsigned char* as_bytes() const { return (const unsigned char*)area(); }
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unsigned char& operator[](size_t index);
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const unsigned char& operator[](size_t index) const;
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static Cow from_raw(cow_t* owned);
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private:
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struct _inner;
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Cow(cow_t* raw);
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protected:
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Cow(const Cow& c);
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const std::shared_ptr<_inner> super;
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virtual cow_t* get_raw() const;
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};
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struct Cow::Fake : Cow {
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Fake() = delete;
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Fake(const Fake& copy);
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Fake(Fake&& move);
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~Fake();
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Fake clone() const override;
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static Fake from_real(const Cow& real);
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protected:
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cow_t* get_raw() const override;
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private:
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Fake(const Cow& real);
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cow_t* const fake;
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};
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