mirror of https://github.com/bsnes-emu/bsnes.git
169 lines
7.5 KiB
C++
169 lines
7.5 KiB
C++
#ifndef NALL_VARINT_HPP
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#define NALL_VARINT_HPP
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#include <nall/bit.hpp>
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#include <nall/traits.hpp>
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namespace nall {
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template<unsigned bits> struct uint_t {
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private:
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typedef typename type_if<bits <= 8 * sizeof(unsigned), unsigned, uintmax_t>::type type_t;
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type_t data;
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public:
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inline operator type_t() const { return data; }
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inline type_t operator ++(int) { type_t r = data; data = uclip<bits>(data + 1); return r; }
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inline type_t operator --(int) { type_t r = data; data = uclip<bits>(data - 1); return r; }
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inline type_t operator ++() { return data = uclip<bits>(data + 1); }
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inline type_t operator --() { return data = uclip<bits>(data - 1); }
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inline type_t operator =(const type_t i) { return data = uclip<bits>(i); }
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inline type_t operator |=(const type_t i) { return data = uclip<bits>(data | i); }
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inline type_t operator ^=(const type_t i) { return data = uclip<bits>(data ^ i); }
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inline type_t operator &=(const type_t i) { return data = uclip<bits>(data & i); }
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inline type_t operator<<=(const type_t i) { return data = uclip<bits>(data << i); }
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inline type_t operator>>=(const type_t i) { return data = uclip<bits>(data >> i); }
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inline type_t operator +=(const type_t i) { return data = uclip<bits>(data + i); }
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inline type_t operator -=(const type_t i) { return data = uclip<bits>(data - i); }
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inline type_t operator *=(const type_t i) { return data = uclip<bits>(data * i); }
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inline type_t operator /=(const type_t i) { return data = uclip<bits>(data / i); }
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inline type_t operator %=(const type_t i) { return data = uclip<bits>(data % i); }
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inline uint_t() : data(0) {}
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inline uint_t(const type_t i) : data(uclip<bits>(i)) {}
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template<unsigned s> inline type_t operator=(const uint_t<s> &i) { return data = uclip<bits>((type_t)i); }
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template<unsigned s> inline uint_t(const uint_t<s> &i) : data(uclip<bits>(i)) {}
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};
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template<unsigned bits> struct int_t {
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private:
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typedef typename type_if<bits <= 8 * sizeof(signed), signed, intmax_t>::type type_t;
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type_t data;
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public:
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inline operator type_t() const { return data; }
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inline type_t operator ++(int) { type_t r = data; data = sclip<bits>(data + 1); return r; }
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inline type_t operator --(int) { type_t r = data; data = sclip<bits>(data - 1); return r; }
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inline type_t operator ++() { return data = sclip<bits>(data + 1); }
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inline type_t operator --() { return data = sclip<bits>(data - 1); }
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inline type_t operator =(const type_t i) { return data = sclip<bits>(i); }
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inline type_t operator |=(const type_t i) { return data = sclip<bits>(data | i); }
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inline type_t operator ^=(const type_t i) { return data = sclip<bits>(data ^ i); }
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inline type_t operator &=(const type_t i) { return data = sclip<bits>(data & i); }
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inline type_t operator<<=(const type_t i) { return data = sclip<bits>(data << i); }
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inline type_t operator>>=(const type_t i) { return data = sclip<bits>(data >> i); }
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inline type_t operator +=(const type_t i) { return data = sclip<bits>(data + i); }
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inline type_t operator -=(const type_t i) { return data = sclip<bits>(data - i); }
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inline type_t operator *=(const type_t i) { return data = sclip<bits>(data * i); }
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inline type_t operator /=(const type_t i) { return data = sclip<bits>(data / i); }
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inline type_t operator %=(const type_t i) { return data = sclip<bits>(data % i); }
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inline int_t() : data(0) {}
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inline int_t(const type_t i) : data(sclip<bits>(i)) {}
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template<unsigned s> inline type_t operator=(const int_t<s> &i) { return data = sclip<bits>((type_t)i); }
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template<unsigned s> inline int_t(const int_t<s> &i) : data(sclip<bits>(i)) {}
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};
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template<typename type_t> struct varuint_t {
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private:
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type_t data;
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type_t mask;
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public:
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inline operator type_t() const { return data; }
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inline type_t operator ++(int) { type_t r = data; data = (data + 1) & mask; return r; }
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inline type_t operator --(int) { type_t r = data; data = (data - 1) & mask; return r; }
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inline type_t operator ++() { return data = (data + 1) & mask; }
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inline type_t operator --() { return data = (data - 1) & mask; }
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inline type_t operator =(const type_t i) { return data = (i) & mask; }
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inline type_t operator |=(const type_t i) { return data = (data | i) & mask; }
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inline type_t operator ^=(const type_t i) { return data = (data ^ i) & mask; }
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inline type_t operator &=(const type_t i) { return data = (data & i) & mask; }
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inline type_t operator<<=(const type_t i) { return data = (data << i) & mask; }
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inline type_t operator>>=(const type_t i) { return data = (data >> i) & mask; }
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inline type_t operator +=(const type_t i) { return data = (data + i) & mask; }
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inline type_t operator -=(const type_t i) { return data = (data - i) & mask; }
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inline type_t operator *=(const type_t i) { return data = (data * i) & mask; }
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inline type_t operator /=(const type_t i) { return data = (data / i) & mask; }
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inline type_t operator %=(const type_t i) { return data = (data % i) & mask; }
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inline void bits(type_t bits) { mask = (1ull << (bits - 1)) + ((1ull << (bits - 1)) - 1); data &= mask; }
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inline varuint_t() : data(0ull), mask((type_t)~0ull) {}
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inline varuint_t(const type_t i) : data(i), mask((type_t)~0ull) {}
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};
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}
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//typedefs
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typedef nall::uint_t< 1> uint1_t;
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typedef nall::uint_t< 2> uint2_t;
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typedef nall::uint_t< 3> uint3_t;
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typedef nall::uint_t< 4> uint4_t;
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typedef nall::uint_t< 5> uint5_t;
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typedef nall::uint_t< 6> uint6_t;
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typedef nall::uint_t< 7> uint7_t;
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//typedef nall::uint_t< 8> uint8_t;
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typedef nall::uint_t< 9> uint9_t;
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typedef nall::uint_t<10> uint10_t;
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typedef nall::uint_t<11> uint11_t;
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typedef nall::uint_t<12> uint12_t;
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typedef nall::uint_t<13> uint13_t;
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typedef nall::uint_t<14> uint14_t;
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typedef nall::uint_t<15> uint15_t;
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//typedef nall::uint_t<16> uint16_t;
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typedef nall::uint_t<17> uint17_t;
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typedef nall::uint_t<18> uint18_t;
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typedef nall::uint_t<19> uint19_t;
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typedef nall::uint_t<20> uint20_t;
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typedef nall::uint_t<21> uint21_t;
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typedef nall::uint_t<22> uint22_t;
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typedef nall::uint_t<23> uint23_t;
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typedef nall::uint_t<24> uint24_t;
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typedef nall::uint_t<25> uint25_t;
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typedef nall::uint_t<26> uint26_t;
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typedef nall::uint_t<27> uint27_t;
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typedef nall::uint_t<28> uint28_t;
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typedef nall::uint_t<29> uint29_t;
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typedef nall::uint_t<30> uint30_t;
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typedef nall::uint_t<31> uint31_t;
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//typedef nall::uint_t<32> uint32_t;
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typedef nall::int_t< 1> int1_t;
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typedef nall::int_t< 2> int2_t;
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typedef nall::int_t< 3> int3_t;
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typedef nall::int_t< 4> int4_t;
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typedef nall::int_t< 5> int5_t;
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typedef nall::int_t< 6> int6_t;
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typedef nall::int_t< 7> int7_t;
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//typedef nall::int_t< 8> int8_t;
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typedef nall::int_t< 9> int9_t;
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typedef nall::int_t<10> int10_t;
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typedef nall::int_t<11> int11_t;
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typedef nall::int_t<12> int12_t;
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typedef nall::int_t<13> int13_t;
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typedef nall::int_t<14> int14_t;
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typedef nall::int_t<15> int15_t;
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//typedef nall::int_t<16> int16_t;
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typedef nall::int_t<17> int17_t;
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typedef nall::int_t<18> int18_t;
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typedef nall::int_t<19> int19_t;
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typedef nall::int_t<20> int20_t;
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typedef nall::int_t<21> int21_t;
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typedef nall::int_t<22> int22_t;
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typedef nall::int_t<23> int23_t;
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typedef nall::int_t<24> int24_t;
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typedef nall::int_t<25> int25_t;
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typedef nall::int_t<26> int26_t;
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typedef nall::int_t<27> int27_t;
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typedef nall::int_t<28> int28_t;
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typedef nall::int_t<29> int29_t;
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typedef nall::int_t<30> int30_t;
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typedef nall::int_t<31> int31_t;
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//typedef nall::int_t<32> int32_t;
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#endif
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