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@@ -1,144 +0,0 @@
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//------------------------------------------------------------------------------
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/*
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This file is part of Beast: https://github.com/vinniefalco/Beast
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Copyright 2013, Vinnie Falco <vinnie.falco@gmail.com>
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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#ifndef BEAST_UINT24_H_INCLUDED
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#define BEAST_UINT24_H_INCLUDED
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/** A 24 bit unsigned integer.
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We try to be as compatible as possible with built in types.
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*/
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class uint24 : public SafeBool <uint24>
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{
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public:
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enum { mask = 0xffffff };
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inline uint24 () noexcept { /* uninitialized */ }
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inline uint24 (uint24 const& other) noexcept : m_value (other.m_value) { }
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inline uint24& operator= (uint24 const& other) noexcept { m_value = other.m_value; return *this; }
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template <typename IntegralType> inline uint24 (IntegralType value) noexcept : m_value (value & mask) { }
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template <typename IntegralType> inline uint24& operator= (IntegralType value) noexcept { m_value = value & mask; return *this; }
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inline uint32 get () const noexcept { return m_value; }
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inline bool asBoolean () const noexcept { return m_value != 0; }
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inline operator String () const { return String (m_value); }
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inline uint24& operator++ () noexcept { (++m_value) &= mask; return *this; }
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inline uint24& operator-- () noexcept { (--m_value) &= mask; return *this; }
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inline uint24 operator++ (int) noexcept { return uint24 (m_value + 1); }
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inline uint24 operator-- (int) noexcept { return uint24 (m_value - 1); }
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inline uint24& operator~ () { m_value = (~ m_value) & mask; return *this; }
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inline uint24& operator+= (uint24 const& rhs) { m_value = (m_value + rhs.m_value) & mask; return *this; }
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inline uint24& operator-= (uint24 const& rhs) { m_value = (m_value - rhs.m_value) & mask; return *this; }
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inline uint24& operator*= (uint24 const& rhs) { m_value = (m_value * rhs.m_value) & mask; return *this; }
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inline uint24& operator/= (uint24 const& rhs) { m_value = (m_value / rhs.m_value) & mask; return *this; }
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inline uint24& operator|= (uint24 const& rhs) { m_value = (m_value | rhs.m_value) & mask; return *this; }
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inline uint24& operator&= (uint24 const& rhs) { m_value = (m_value & rhs.m_value) & mask; return *this; }
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inline uint24& operator^= (uint24 const& rhs) { m_value = (m_value ^ rhs.m_value) & mask; return *this; }
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template <typename IntegralType> inline uint24& operator+= (IntegralType value) { m_value = (m_value + value) & mask; return *this; }
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template <typename IntegralType> inline uint24& operator-= (IntegralType value) { m_value = (m_value - value) & mask; return *this; }
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template <typename IntegralType> inline uint24& operator*= (IntegralType value) { m_value = (m_value * value) & mask; return *this; }
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template <typename IntegralType> inline uint24& operator/= (IntegralType value) { m_value = (m_value / value) & mask; return *this; }
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template <typename IntegralType> inline uint24& operator|= (IntegralType value) { m_value = (m_value | value) & mask; return *this; }
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template <typename IntegralType> inline uint24& operator&= (IntegralType value) { m_value = (m_value & value) & mask; return *this; }
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template <typename IntegralType> inline uint24& operator^= (IntegralType value) { m_value = (m_value ^ value) & mask; return *this; }
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template <typename IntegralType> inline bool operator== (IntegralType value) const noexcept { return m_value == value; }
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template <typename IntegralType> inline bool operator!= (IntegralType value) const noexcept { return m_value != value; }
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template <typename IntegralType> inline bool operator< (IntegralType value) const noexcept { return m_value < value; }
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template <typename IntegralType> inline bool operator> (IntegralType value) const noexcept { return m_value > value; }
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template <typename IntegralType> inline bool operator<= (IntegralType value) const noexcept { return m_value <= value; }
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template <typename IntegralType> inline bool operator>= (IntegralType value) const noexcept { return m_value >= value; }
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// Construct from raw bytes
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static uint24 from3RawBytes (void const* buf)
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{
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uint24 result;
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uint8* const raw (reinterpret_cast <uint8*> (&result.m_value));
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uint8 const* const data (reinterpret_cast <uint8 const*> (buf));
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#if BEAST_LITTLE_ENDIAN
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raw [0] = data [0];
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raw [1] = data [1];
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raw [2] = data [2];
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raw [3] = 0;
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#else
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raw [0] = 0;
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raw [1] = data [0];
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raw [2] = data [1];
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raw [3] = data [2];
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#endif
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return result;
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}
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private:
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uint24* operator&();
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uint24 const* operator&() const;
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friend struct detail::SwapBytes <uint24>;
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inline uint8& operator[] (int index) noexcept { bassert (index >= 0 && index < 3); return raw () [index]; }
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inline uint8 operator[] (int index) const noexcept { bassert (index >= 0 && index < 3); return raw () [index]; }
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#if BEAST_LITTLE_ENDIAN
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inline uint8* raw () noexcept { return reinterpret_cast <uint8*> (&m_value); }
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inline uint8 const* raw () const noexcept { return reinterpret_cast <uint8 const*> (&m_value); }
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#else
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inline uint8* raw () noexcept { return reinterpret_cast <uint8*> (&m_value) + 1; }
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inline uint8 const* raw () const noexcept { return reinterpret_cast <uint8 const*> (&m_value) + 1; }
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#endif
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uint32 m_value;
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};
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inline uint24 const operator~ (uint24 const& value) noexcept { return uint24 (~value.get ()); }
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inline uint24 const operator+ (uint24 const& lhs, uint24 const& rhs) noexcept { return uint24 (lhs.get () + rhs.get ()); }
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inline uint24 const operator- (uint24 const& lhs, uint24 const& rhs) noexcept { return uint24 (lhs.get () - rhs.get ()); }
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inline uint24 const operator/ (uint24 const& lhs, uint24 const& rhs) noexcept { return uint24 (lhs.get () / rhs.get ()); }
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inline uint24 const operator* (uint24 const& lhs, uint24 const& rhs) noexcept { return uint24 (lhs.get () * rhs.get ()); }
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inline uint24 const operator| (uint24 const& lhs, uint24 const& rhs) noexcept { return uint24 (lhs.get () ^ rhs.get ()); }
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inline uint24 const operator& (uint24 const& lhs, uint24 const& rhs) noexcept { return uint24 (lhs.get () & rhs.get ()); }
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inline uint24 const operator^ (uint24 const& lhs, uint24 const& rhs) noexcept { return uint24 (lhs.get () ^ rhs.get ()); }
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inline bool operator== (uint24 const& lhs, uint24 const& rhs) noexcept { return lhs.get () == rhs.get (); }
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inline bool operator!= (uint24 const& lhs, uint24 const& rhs) noexcept { return lhs.get () != rhs.get (); }
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inline bool operator< (uint24 const& lhs, uint24 const& rhs) noexcept { return lhs.get () < rhs.get (); }
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inline bool operator> (uint24 const& lhs, uint24 const& rhs) noexcept { return lhs.get () > rhs.get (); }
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inline bool operator<= (uint24 const& lhs, uint24 const& rhs) noexcept { return lhs.get () <= rhs.get (); }
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inline bool operator>= (uint24 const& lhs, uint24 const& rhs) noexcept { return lhs.get () >= rhs.get (); }
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/** SwapBytes specialization uint24. */
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namespace detail
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{
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template <>
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struct SwapBytes <uint24>
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{
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inline uint24 const operator() (uint24 const& value) const noexcept
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{
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#if BEAST_LITTLE_ENDIAN
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uint24 result;
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result [0] = value [2];
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result [1] = value [1];
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result [2] = value [0];
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result [3] = 0;
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return result;
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#else
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return value;
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#endif
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}
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};
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}
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#endif
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