mirror of https://github.com/SeanOMik/libki.git
util: Forgot to push header file for previous commit
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@ -21,6 +21,7 @@ namespace ki
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explicit stream_pos(intmax_t byte = 0, int bit = 0);
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explicit stream_pos(intmax_t byte = 0, int bit = 0);
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stream_pos(const stream_pos &cp);
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stream_pos(const stream_pos &cp);
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intmax_t as_bits() const;
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intmax_t get_byte() const;
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intmax_t get_byte() const;
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uint8_t get_bit() const;
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uint8_t get_bit() const;
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@ -148,6 +149,20 @@ namespace ki
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}
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}
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}
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}
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/**
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* Copy memory from an external buffer into the bitstream's buffer from the current position.
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* @param src The buffer to copy data from.
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* @param bitsize The number of bits to copy from the src buffer.
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*/
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void write_copy(uint8_t *src, std::size_t bitsize);
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/**
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* Copy memory from the bitstream's buffer into an external buffer.
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* @param dst The destination buffer to copy data to.
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* @param bitsize The number of bits to copy into the dst buffer.
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*/
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void read_copy(uint8_t *dst, std::size_t bitsize);
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private:
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private:
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uint8_t *m_buffer;
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uint8_t *m_buffer;
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std::size_t m_buffer_size;
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std::size_t m_buffer_size;
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@ -37,9 +37,9 @@ namespace ki
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>::type;
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>::type;
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/**
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/**
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* The integer type that can most efficiently store N bits
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* The integer type that can most efficiently store N bits
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* without signedness.
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* without signedness.
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*/
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*/
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using uint_type = typename std::conditional<
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using uint_type = typename std::conditional<
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N <= 8,
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N <= 8,
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uint8_t,
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uint8_t,
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@ -162,27 +162,27 @@ namespace ki
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};
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};
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/**
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/**
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* Represents a signed integer of N bits.
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* Represents a signed integer of N bits.
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*/
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*/
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template <uint8_t N>
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template <uint8_t N>
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using bi = BitInteger<N, false>;
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using bi = BitInteger<N, false>;
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/**
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/**
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* Represents an unsigned integer of N bits.
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* Represents an unsigned integer of N bits.
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*/
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*/
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template <uint8_t N>
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template <uint8_t N>
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using bui = BitInteger<N, true>;
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using bui = BitInteger<N, true>;
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/**
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/**
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* A utility to calculate the bitsize of a type.
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* A utility to calculate the bitsize of a type.
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*/
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*/
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template <typename T, typename Enable = void>
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template <typename T, typename Enable = void>
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struct bitsizeof
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struct bitsizeof
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{
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{
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/**
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/**
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* The number of bits a type will occupy if written to a BitStream.
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* The number of bits a type will occupy if written to a BitStream.
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* This does not reflect the size of the type in memory.
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* This does not reflect the size of the type in memory.
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*/
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*/
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static constexpr std::size_t value = sizeof(T) * 8;
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static constexpr std::size_t value = sizeof(T) * 8;
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};
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};
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