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ultimatepp/uppsrc/Core/Topt.h
cxl 664bcbf6cd Core: Fixed to compile with CLANG 
git-svn-id: svn://ultimatepp.org/upp/trunk@10467 f0d560ea-af0d-0410-9eb7-867de7ffcac7
2016-11-20 07:42:16 +00:00

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template <class I>
inline void IterSwap(I a, I b) { if(a != b) Swap(*a, *b); }
struct EmptyClass {};
template <class T, class B = EmptyClass>
class RelOps : public B
{
public:
friend bool operator > (const T& a, const T& b) { return b < a; }
friend bool operator != (const T& a, const T& b) { return !(a == b); }
friend bool operator <= (const T& a, const T& b) { return !(b < a); }
friend bool operator >= (const T& a, const T& b) { return !(a < b); }
};
template <class U, class V, class B = EmptyClass>
class AddOps : public B
{
public:
friend U& operator -= (U& a, const V& b) { a += -b; return a; }
friend U operator + (const U& a, const V& b) { U x(a); x += b; return x; }
friend U operator - (const U& a, const V& b) { U x(a); x += -b; return x; }
};
template <class T, class B = EmptyClass>
class PostfixOps : public B
{
public:
friend T operator ++ (T& i, int) { T x = i; ++i; return x; }
friend T operator -- (T& i, int) { T x = i; --i; return x; }
};
template <class T, int (*compare)(T a, T b), class B = EmptyClass>
class CompareRelOps : public B
{
public:
friend bool operator < (T a, T b) { return (*compare)(a, b) < 0; }
friend bool operator > (T a, T b) { return (*compare)(a, b) > 0; }
friend bool operator == (T a, T b) { return (*compare)(a, b) == 0; }
friend bool operator != (T a, T b) { return (*compare)(a, b) != 0; }
friend bool operator <= (T a, T b) { return (*compare)(a, b) <= 0; }
friend bool operator >= (T a, T b) { return (*compare)(a, b) >= 0; }
};
template <class T, class B = EmptyClass>
struct Comparable : public B
{
public:
friend bool operator < (const T& a, const T& b) { return a.Compare(b) < 0; }
friend bool operator > (const T& a, const T& b) { return a.Compare(b) > 0; }
friend bool operator == (const T& a, const T& b) { return a.Compare(b) == 0; }
friend bool operator != (const T& a, const T& b) { return a.Compare(b) != 0; }
friend bool operator <= (const T& a, const T& b) { return a.Compare(b) <= 0; }
friend bool operator >= (const T& a, const T& b) { return a.Compare(b) >= 0; }
friend int SgnCompare(const T& a, const T& b) { return a.Compare(b); }
};
template <class T>
int NumberCompare__(const T& a, const T& b)
{
if(a < b) return -1;
if(a > b) return 1;
return 0;
}
inline int SgnCompare(const char& a, const char& b) { return NumberCompare__(a, b); }
inline int SgnCompare(const signed char& a, const signed char& b) { return NumberCompare__(a, b); }
inline int SgnCompare(const unsigned char& a, const unsigned char& b) { return NumberCompare__(a, b); }
inline int SgnCompare(const short& a, const short& b) { return NumberCompare__(a, b); }
inline int SgnCompare(const unsigned short& a, const unsigned short& b) { return NumberCompare__(a, b); }
inline int SgnCompare(const int& a, const int& b) { return NumberCompare__(a, b); }
inline int SgnCompare(const unsigned int& a, const unsigned int& b) { return NumberCompare__(a, b); }
inline int SgnCompare(const long& a, const long& b) { return NumberCompare__(a, b); }
inline int SgnCompare(const unsigned long& a, const unsigned long& b) { return NumberCompare__(a, b); }
inline int SgnCompare(const bool& a, const bool& b) { return NumberCompare__(a, b); }
inline int SgnCompare(const int64& a, const int64& b) { return NumberCompare__(a, b); }
inline int SgnCompare(const uint64& a, const uint64& b) { return NumberCompare__(a, b); }
inline int SgnCompare(const float& a, const float& b) { return NumberCompare__(a, b); }
inline int SgnCompare(const double& a, const double& b) { return NumberCompare__(a, b); }
template<class T>
inline int SgnCompare(const T& a, const T& b)
{
return a.Compare(b);
}
struct CombineCompare {
int result;
template <class T>
CombineCompare& operator()(const T& a, const T& b) { if(!result) result = SgnCompare(a, b); return *this; }
operator int() const { return result; }
CombineCompare() { result = 0; }
template <class T>
CombineCompare(const T& a, const T& b) { result = 0; operator()(a, b); }
};
template <class T>
inline void Fill(T *dst, const T *lim, const T& x) {
while(dst < lim)
*dst++ = x;
}
template <class T>
inline void Copy(T *dst, const T *src, const T *lim) {
while(src < lim)
*dst++ = *src++;
}
template <class T>
inline void Copy(T *dst, const T *src, int n) {
Copy(dst, src, src + n);
}
inline void Fill(char *t, const char *lim, const char& x)
{ memset(t, x, size_t(lim - t)); }
inline void Copy(char *dst, const char *src, const char *lim)
{ memcpy(dst, src, size_t((byte *)lim - (byte *)src)); }
inline void Fill(signed char *t, const signed char *lim, const signed char& x)
{ memset(t, x, size_t(lim - t)); }
inline void Copy(signed char *dst, const signed char *src, const signed char *lim)
{ memcpy(dst, src, size_t((byte *)lim - (byte *)src)); }
inline void Fill(unsigned char *t, const unsigned char *lim, const unsigned char& x)
{ memset(t, x, size_t(lim - t)); }
inline void Copy(unsigned char *dst, const unsigned char *src, const unsigned char *lim)
{ memcpy(dst, src, size_t((byte *)lim - (byte *)src)); }
#ifdef NO_MOVEABLE_CHECK
template <class T>
inline void AssertMoveable(T *) {}
#define MoveableTemplate(T)
template <class T, class B = EmptyClass>
class Moveable : public B
{
};
template <class T>
struct Moveable_ {
};
#define NTL_MOVEABLE(T)
#else
template <class T>
inline void AssertMoveablePtr(T, T) {}
template <class T>
inline void AssertMoveable0(T *t) { AssertMoveablePtr(&**t, *t); }
// COMPILATION ERROR HERE MEANS TYPE T WAS NOT MARKED AS Moveable
template <class T, class B = EmptyClass>
struct Moveable : public B {
friend void AssertMoveable0(T *) {}
};
template <class T>
struct Moveable_ {
friend void AssertMoveable0(T *) {}
};
template <class T>
inline void AssertMoveable(T *t = 0) { if(t) AssertMoveable0(t); }
#if defined(COMPILER_MSC) || defined(COMPILER_GCC) && (__GNUC__ < 4 || __GNUC_MINOR__ < 1)
#define NTL_MOVEABLE(T) inline void AssertMoveable0(T *) {}
#else
#define NTL_MOVEABLE(T) template<> inline void AssertMoveable<T>(T *) {}
#endif
#endif
NTL_MOVEABLE(bool)
NTL_MOVEABLE(char)
NTL_MOVEABLE(signed char)
NTL_MOVEABLE(unsigned char)
NTL_MOVEABLE(short)
NTL_MOVEABLE(unsigned short)
NTL_MOVEABLE(int)
NTL_MOVEABLE(unsigned int)
NTL_MOVEABLE(long)
NTL_MOVEABLE(unsigned long)
NTL_MOVEABLE(int64)
NTL_MOVEABLE(uint64)
NTL_MOVEABLE(float)
NTL_MOVEABLE(double)
NTL_MOVEABLE(void *)
NTL_MOVEABLE(const void *)
#if defined(_NATIVE_WCHAR_T_DEFINED) || defined(COMPILER_GCC)
NTL_MOVEABLE(wchar_t)
#endif
template <class T, class B = EmptyClass>
class WithClone : public B {
public:
friend T do_clone(const T& src) { T c(src, 1); return c; }
};
template <class T, class B = EmptyClass>
class DeepCopyOption : public B {
public:
#ifdef DEPRECATED
friend T& operator<<=(T& dest, const T& src)
{ if(&dest != &src) { (&dest)->T::~T(); ::new(&dest) T(src, 1); } return dest; }
#endif
friend T do_clone(const T& src) { T c(src, 1); return c; }
};
template <class T, class B = EmptyClass>
class MoveableAndDeepCopyOption : public B {
friend void AssertMoveable0(T *) {}
#ifdef DEPRECATED
friend T& operator<<=(T& dest, const T& src)
{ if(&dest != &src) { (&dest)->T::~T(); ::new(&dest) T(src, 1); } return dest; }
#endif
friend T clone(const T& src) { T c(src, 1); return c; }
};
template <class T>
class WithDeepCopy : public T {
public:
WithDeepCopy(const T& a) : T(a, 1) {}
WithDeepCopy(const T& a, int) : T(a, 1) {}
WithDeepCopy(const WithDeepCopy& a) : T(a, 1) {}
WithDeepCopy& operator=(const WithDeepCopy& a) { (T&)*this = pick(T(a, 1)); return *this; }
WithDeepCopy(T&& a) : T(pick(a)) {}
WithDeepCopy& operator=(T&& a) { (T&)*this = pick(a); return *this; }
WithDeepCopy(WithDeepCopy&& a) : T(pick(a)) {}
WithDeepCopy& operator=(WithDeepCopy&& a) { (T&)*this = pick(a); return *this; }
WithDeepCopy() {}
};
// compatibility hacks
#define STL_ITERATOR_COMPATIBILITY \
typedef ptrdiff_t difference_type; \
typedef std::random_access_iterator_tag iterator_category; \
typedef T value_type; \
typedef T pointer; \
typedef T reference; \
#define STL_BI_COMPATIBILITY(C) \
typedef T value_type; \
typedef ConstIterator const_iterator; \
typedef const T& const_reference; \
typedef int size_type; \
typedef int difference_type; \
const_iterator Begin() const { return begin(); } \
const_iterator End() const { return end(); } \
void clear() { Clear(); } \
size_type size() const { return GetCount(); } \
typedef Iterator iterator; \
typedef T& reference; \
bool empty() const { return IsEmpty(); } \
iterator Begin() { return begin(); } \
iterator End() { return end(); } \
#define STL_MAP_COMPATIBILITY(C) \
typedef T value_type; \
typedef ConstIterator const_iterator; \
typedef const T& const_reference; \
typedef int size_type; \
typedef int difference_type; \
const_iterator Begin() const { return B::begin(); } \
const_iterator End() const { return B::end(); } \
void clear() { B::Clear(); } \
size_type size() const { return B::GetCount(); } \
typedef Iterator iterator; \
typedef T& reference; \
bool empty() const { return B::IsEmpty(); } \
iterator Begin() { return B::begin(); } \
iterator End() { return B::end(); } \
#define STL_SORTED_MAP_COMPATIBILITY(C) \
typedef T value_type; \
typedef ConstIterator const_iterator; \
typedef const T& const_reference; \
typedef int size_type; \
typedef int difference_type; \
const_iterator Begin() const { return begin(); } \
const_iterator End() const { return end(); } \
void clear() { B::Clear(); } \
size_type size() const { return B::GetCount(); } \
typedef Iterator iterator; \
typedef T& reference; \
bool empty() const { return B::GetCount() == 0; } \
iterator Begin() { return begin(); } \
iterator End() { return end(); } \
#define STL_VECTOR_COMPATIBILITY(C) \
typedef T value_type; \
typedef ConstIterator const_iterator; \
typedef const T& const_reference; \
typedef int size_type; \
typedef int difference_type; \
const_iterator Begin() const { return begin(); } \
const_iterator End() const { return end(); } \
void clear() { Clear(); } \
size_type size() const { return GetCount(); } \
typedef Iterator iterator; \
typedef T& reference; \
iterator Begin() { return begin(); } \
iterator End() { return end(); } \
reference front() { return (*this)[0]; } \
const_reference front() const { return (*this)[0]; } \
reference back() { return Top(); } \
const_reference back() const { return Top(); } \
bool empty() const { return IsEmpty(); } \
void push_back(const T& x) { Add(x); } \
void pop_back() { Drop(); } \
template <class Range>
using ValueTypeOfArray = typename std::remove_reference<decltype((*((Range *)0))[0])>::type;
template <class V>
class ConstIIterator {
typedef ValueTypeOfArray<V> T;
const V *cont;
int ii;
struct NP { int dummy; };
public:
const T& operator*() const { return (*cont)[ii]; }
const T *operator->() const { return &(*cont)[ii]; }
const T& operator[](int i) const { return (*cont)[ii + i]; }
ConstIIterator& operator++() { ++ii; return *this; }
ConstIIterator& operator--() { --ii; return *this; }
ConstIIterator operator++(int) { ConstIIterator t = *this; ++ii; return t; }
ConstIIterator operator--(int) { ConstIIterator t = *this; --ii; return t; }
ConstIIterator& operator+=(int d) { ii += d; return *this; }
ConstIIterator& operator-=(int d) { ii -= d; return *this; }
ConstIIterator operator+(int d) const { return ConstIIterator(*cont, ii + d); }
ConstIIterator operator-(int d) const { return ConstIIterator(*cont, ii - d); }
int operator-(const ConstIIterator& b) const { return ii - b.ii; }
bool operator==(const ConstIIterator& b) const { return ii == b.ii; }
bool operator!=(const ConstIIterator& b) const { return ii != b.ii; }
bool operator<(const ConstIIterator& b) const { return ii < b.ii; }
bool operator>(const ConstIIterator& b) const { return ii > b.ii; }
bool operator<=(const ConstIIterator& b) const { return ii <= b.ii; }
bool operator>=(const ConstIIterator& b) const { return ii >= b.ii; }
operator bool() const { return ii < 0; }
ConstIIterator() {}
ConstIIterator(NP *null) { ASSERT(null == NULL); ii = -1; }
ConstIIterator(const V& _cont, int ii) : cont(&_cont), ii(ii) {}
STL_ITERATOR_COMPATIBILITY
};
template <class V>
class IIterator {
typedef ValueTypeOfArray<V> T;
V *cont;
int ii;
struct NP { int dummy; };
public:
T& operator*() { return (*cont)[ii]; }
T *operator->() { return &(*cont)[ii]; }
T& operator[](int i) { return (*cont)[ii + i]; }
const T& operator*() const { return (*cont)[ii]; }
const T *operator->() const { return &(*cont)[ii]; }
const T& operator[](int i) const { return (*cont)[ii + i]; }
IIterator& operator++() { ++ii; return *this; }
IIterator& operator--() { --ii; return *this; }
IIterator operator++(int) { IIterator t = *this; ++ii; return t; }
IIterator operator--(int) { IIterator t = *this; --ii; return t; }
IIterator& operator+=(int d) { ii += d; return *this; }
IIterator& operator-=(int d) { ii -= d; return *this; }
IIterator operator+(int d) const { return IIterator(*cont, ii + d); }
IIterator operator-(int d) const { return IIterator(*cont, ii - d); }
int operator-(const IIterator& b) const { return ii - b.ii; }
bool operator==(const IIterator& b) const { return ii == b.ii; }
bool operator!=(const IIterator& b) const { return ii != b.ii; }
bool operator<(const IIterator& b) const { return ii < b.ii; }
bool operator>(const IIterator& b) const { return ii > b.ii; }
bool operator<=(const IIterator& b) const { return ii <= b.ii; }
bool operator>=(const IIterator& b) const { return ii >= b.ii; }
operator bool() const { return ii < 0; }
IIterator() {}
IIterator(NP *null) { ASSERT(null == NULL); ii = -1; }
IIterator(V& _cont, int ii) : cont(&_cont), ii(ii) {}
STL_ITERATOR_COMPATIBILITY
};
unsigned Pow2Bound(unsigned i);
unsigned PrimeBound(unsigned i);
unsigned memhash(const void *ptr, size_t size);
template <class T>
inline unsigned GetHashValue(const T& x) { return x.GetHashValue(); }
struct CombineHash {
unsigned hash;
enum { INIT = 1234567890 };
template <class T> CombineHash& Do(const T& x) { Put(GetHashValue(x)); return *this; }
public:
CombineHash& Put(unsigned h) { hash = ((hash << 4) + hash) ^ h; return *this; }
operator unsigned() const { return hash; }
CombineHash() { hash = INIT; }
template <class T>
CombineHash(const T& h1) { hash = INIT; Do(h1); }
template <class T, class U>
CombineHash(const T& h1, const U& h2) { hash = INIT; Do(h1); Do(h2); }
template <class T, class U, class V>
CombineHash(const T& h1, const U& h2, const V& h3) { hash = INIT; Do(h1); Do(h2); Do(h3); }
template <class T, class U, class V, class W>
CombineHash(const T& h1, const U& h2, const V& h3, const W& h4) { hash = INIT; Do(h1); Do(h2); Do(h3); Do(h4); }
template <class T> CombineHash& operator<<(const T& x) { Do(x); return *this; }
};
template<> inline unsigned GetHashValue(const char& a) { return (unsigned)a; }
template<> inline unsigned GetHashValue(const signed char& a) { return (const unsigned)a; }
template<> inline unsigned GetHashValue(const unsigned char& a) { return (const unsigned)a; }
template<> inline unsigned GetHashValue(const short& a) { return (const unsigned)a; }
template<> inline unsigned GetHashValue(const unsigned short& a) { return (const unsigned)a; }
template<> inline unsigned GetHashValue(const int& a) { return (const unsigned)a; }
template<> inline unsigned GetHashValue(const unsigned int& a) { return (const unsigned)a; }
template<> inline unsigned GetHashValue(const long& a) { return (const unsigned)a; }
template<> inline unsigned GetHashValue(const unsigned long& a) { return (const unsigned)a; }
template<> inline unsigned GetHashValue(const bool& a) { return (const unsigned)a; }
template<> inline unsigned GetHashValue(const wchar_t& a) { return (const unsigned)a; }
template<> inline unsigned GetHashValue(const int64& a) { return CombineHash((unsigned)a, (unsigned)(a >> 32)); }
template<> inline unsigned GetHashValue(const uint64& a) { return GetHashValue((int64)a); }
unsigned GetHashValue0(const double& a);
template<> inline unsigned GetHashValue(const double& a) { return GetHashValue0(a); }
template<> inline unsigned GetHashValue(const float& a) { double x = a; return GetHashValue0(x); }
#ifdef CPU_32
inline unsigned GetPtrHashValue(const void *a) { return (int)a; }
#else
inline unsigned GetPtrHashValue(const void *a) { return CombineHash((unsigned)(uintptr_t)a); }
#endif
template <class T>
inline unsigned GetHashValue(T *ptr) { return GetPtrHashValue(reinterpret_cast<const void *>(ptr)); }
template <int size>
struct Data_S_ : Moveable< Data_S_<size> >
{
byte filler[size];
};
template <class C>
bool IsEqualMap(const C& a, const C& b)
{
if(a.GetCount() != b.GetCount())
return false;
for(int i = 0; i < a.GetCount(); i++)
if(a.GetKey(i) != b.GetKey(i) || a[i] != b[i])
return false;
return true;
}
template <class C>
int CompareMap(const C& a, const C& b)
{
int n = min(a.GetCount(), b.GetCount());
for(int i = 0; i < n; i++) {
int q = SgnCompare(a.GetKey(i), b.GetKey(i));
if(q)
return q;
q = SgnCompare(a[i], b[i]);
if(q)
return q;
}
return SgnCompare(a.GetCount(), b.GetCount());
}
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