81 lines
1.4 KiB
C++
81 lines
1.4 KiB
C++
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/* Copyright (C) Teemu Suutari */
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#ifndef BUFFER_HPP
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#define BUFFER_HPP
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#include <cstddef>
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#include <cstdint>
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#include <exception>
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namespace ancient::internal
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{
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class Buffer
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{
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protected:
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Buffer() noexcept;
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public:
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class Error : public std::exception
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{
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public:
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Error() noexcept;
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virtual ~Error();
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};
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class OutOfBoundsError : public Error
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{
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public:
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OutOfBoundsError() noexcept;
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virtual ~OutOfBoundsError();
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};
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class InvalidOperationError : public Error
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{
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public:
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InvalidOperationError() noexcept;
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virtual ~InvalidOperationError();
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};
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Buffer(const Buffer&)=delete;
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Buffer& operator=(const Buffer&)=delete;
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virtual ~Buffer();
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virtual const uint8_t *data() const noexcept=0;
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virtual uint8_t *data()=0;
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virtual size_t size() const noexcept=0;
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template<typename T>
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const T *cast() const noexcept
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{
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return reinterpret_cast<const T*>(data());
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}
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template<typename T>
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T *cast()
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{
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return reinterpret_cast<T*>(data());
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}
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virtual bool isResizable() const noexcept=0;
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virtual void resize(size_t newSize);
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uint8_t &operator[](size_t i);
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const uint8_t &operator[](size_t i) const;
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uint32_t readBE32(size_t offset) const;
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uint16_t readBE16(size_t offset) const;
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uint64_t readLE64(size_t offset) const;
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uint32_t readLE32(size_t offset) const;
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uint16_t readLE16(size_t offset) const;
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uint8_t read8(size_t offset) const;
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};
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}
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#endif
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