X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8e38fd1fb0d8c4508383f3d9ce2f3ae0c6d39cfd..3110909fec7862e2b0828ed05c3daacffe00e60d:/include/wx/longlong.h diff --git a/include/wx/longlong.h b/include/wx/longlong.h index be9a66619e..0fdf22973a 100644 --- a/include/wx/longlong.h +++ b/include/wx/longlong.h @@ -7,16 +7,12 @@ // Created: 10.02.99 // RCS-ID: $Id$ // Copyright: (c) 1998 Vadim Zeitlin -// Licence: wxWindows license +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifndef _WX_LONGLONG_H #define _WX_LONGLONG_H -#ifdef __GNUG__ - #pragma interface "longlong.h" -#endif - #include "wx/defs.h" #include "wx/string.h" @@ -38,47 +34,17 @@ // decide upon which class we will use // ---------------------------------------------------------------------------- -// to avoid compilation problems on 64bit machines with ambiguous method calls -// we will need to define this -#undef wxLongLongIsLong - -// NB: we #define and not typedef wxLongLong_t because we want to be able to -// use 'unsigned wxLongLong_t' as well and because we use "#ifdef -// wxLongLong_t" below - -// first check for generic cases which are long on 64bit machine and "long -// long", then check for specific compilers -#if defined(SIZEOF_LONG) && (SIZEOF_LONG == 8) - #define wxLongLong_t long - #define wxLongLongIsLong -#elif (defined(__VISUALC__) && defined(__WIN32__)) || defined( __VMS__ ) - #define wxLongLong_t __int64 -#elif defined(__BORLANDC__) && defined(__WIN32__) && (__BORLANDC__ >= 0x520) - #define wxLongLong_t __int64 -#elif defined(SIZEOF_LONG_LONG) && SIZEOF_LONG_LONG >= 8 - #define wxLongLong_t long long -#elif defined(__MINGW32__) || defined(__CYGWIN__) || defined(__WXMICROWIN__) - #define wxLongLong_t long long -#elif defined(__MWERKS__) - #if __option(longlong) - #define wxLongLong_t long long - #else - #error "The 64 bit integer support in CodeWarrior has been disabled." - #error "See the documentation on the 'longlong' pragma." - #endif -#elif defined(__VISAGECPP__) && __IBMCPP__ >= 400 - #define wxLongLong_t long long -#else // no native long long type +#ifndef wxLongLong_t // both warning and pragma warning are not portable, but at least an - // unknown pragma should never be an error - except that, actually, some + // unknown pragma should never be an error -- except that, actually, some // broken compilers don't like it, so we have to disable it in this case // -#if !(defined(__WATCOMC__) || defined(__VISAGECPP__)) - #pragma warning "Your compiler does not appear to support 64 bit "\ - "integers, using emulation class instead.\n" \ - "Please report your compiler version to " \ - "wx-dev@lists.wxwindows.org!" -#endif + #if !(defined(__WATCOMC__) || defined(__VISAGECPP__)) + #pragma warning "Your compiler does not appear to support 64 bit "\ + "integers, using emulation class instead.\n" \ + "Please report your compiler version to " \ + "wx-dev@lists.wxwidgets.org!" + #endif #define wxUSE_LONGLONG_WX 1 #endif // compiler @@ -93,7 +59,8 @@ #define wxUSE_LONGLONG_NATIVE 0 #endif - class WXDLLEXPORT wxLongLongWx; + class WXDLLIMPEXP_BASE wxLongLongWx; + class WXDLLIMPEXP_BASE wxULongLongWx; #if defined(__VISUALC__) && !defined(__WIN32__) #define wxLongLong wxLongLongWx #define wxULongLong wxULongLongWx @@ -111,8 +78,8 @@ #ifndef wxUSE_LONGLONG_WX #define wxUSE_LONGLONG_WX 0 - class WXDLLEXPORT wxLongLongNative; - class WXDLLEXPORT wxULongLongNative; + class WXDLLIMPEXP_BASE wxLongLongNative; + class WXDLLIMPEXP_BASE wxULongLongNative; typedef wxLongLongNative wxLongLong; typedef wxULongLongNative wxULongLong; #endif @@ -125,25 +92,28 @@ // ---------------------------------------------------------------------------- // we use iostream for wxLongLong output -#include "wx/ioswrap.h" +#include "wx/iosfwrap.h" #if wxUSE_LONGLONG_NATIVE -class WXDLLEXPORT wxLongLongNative +class WXDLLIMPEXP_BASE wxLongLongNative { public: // ctors // default ctor initializes to 0 - wxLongLongNative() { m_ll = 0; } + wxLongLongNative() : m_ll(0) { } // from long long - wxLongLongNative(wxLongLong_t ll) { m_ll = ll; } + wxLongLongNative(wxLongLong_t ll) : m_ll(ll) { } // from 2 longs - wxLongLongNative(long hi, unsigned long lo) + wxLongLongNative(long hi, unsigned long lo) : m_ll(0) { // assign first to avoid precision loss! m_ll = ((wxLongLong_t) hi) << 32; m_ll |= (wxLongLong_t) lo; } +#if wxUSE_LONGLONG_WX + wxLongLongNative(wxLongLongWx ll); +#endif // default copy ctor is ok @@ -153,6 +123,10 @@ public: // from native 64 bit integer wxLongLongNative& operator=(wxLongLong_t ll) { m_ll = ll; return *this; } +#if wxUSE_LONGLONG_WX + wxLongLongNative& operator=(wxLongLongWx ll); +#endif + // from double: this one has an explicit name because otherwise we // would have ambiguity with "ll = int" and also because we don't want @@ -165,10 +139,10 @@ public: // accessors // get high part long GetHi() const - { return (long)(m_ll >> 32); } + { return wx_truncate_cast(long, m_ll >> 32); } // get low part unsigned long GetLo() const - { return (unsigned long)m_ll; } + { return wx_truncate_cast(unsigned long, m_ll); } // get absolute value wxLongLongNative Abs() const { return wxLongLongNative(*this).Abs(); } @@ -177,20 +151,18 @@ public: // convert to native long long wxLongLong_t GetValue() const { return m_ll; } - // implicit conversion for times when we want a native type - // or wxLongLong, NOT wxLongLongNative and without having - // to ifdef user code for each use. - operator wxLongLong_t() const { return m_ll; } - - // convert to long with range checking in the debug mode (only!) + // convert to long with range checking in debug mode (only!) long ToLong() const { wxASSERT_MSG( (m_ll >= LONG_MIN) && (m_ll <= LONG_MAX), _T("wxLongLong to long conversion loss of precision") ); - return (long)m_ll; + return wx_truncate_cast(long, m_ll); } + // convert to double + double ToDouble() const { return wx_truncate_cast(double, m_ll); } + // don't provide implicit conversion to wxLongLong_t or we will have an // ambiguity for all arithmetic operations //operator wxLongLong_t() const { return m_ll; } @@ -212,8 +184,8 @@ public: { m_ll++; return *this; } // post increment - wxLongLongNative& operator++(int) - { m_ll++; return *this; } + wxLongLongNative operator++(int) + { wxLongLongNative value(*this); m_ll++; return value; } // negation operator wxLongLongNative operator-() const @@ -236,19 +208,19 @@ public: { m_ll--; return *this; } // post decrement - wxLongLongNative& operator--(int) - { m_ll--; return *this; } + wxLongLongNative operator--(int) + { wxLongLongNative value(*this); m_ll--; return value; } // shifts // left shift wxLongLongNative operator<<(int shift) const - { return wxLongLongNative(m_ll << shift);; } + { return wxLongLongNative(m_ll << shift); } wxLongLongNative& operator<<=(int shift) { m_ll <<= shift; return *this; } // right shift wxLongLongNative operator>>(int shift) const - { return wxLongLongNative(m_ll >> shift);; } + { return wxLongLongNative(m_ll >> shift); } wxLongLongNative& operator>>=(int shift) { m_ll >>= shift; return *this; } @@ -328,28 +300,32 @@ public: #if wxUSE_STD_IOSTREAM // input/output - friend wxSTD ostream& operator<<(wxSTD ostream&, const wxLongLongNative&); + friend WXDLLIMPEXP_BASE + wxSTD ostream& operator<<(wxSTD ostream&, const wxLongLongNative&); #endif + friend WXDLLIMPEXP_BASE + wxString& operator<<(wxString&, const wxLongLongNative&); + private: wxLongLong_t m_ll; }; -class WXDLLEXPORT wxULongLongNative +class WXDLLIMPEXP_BASE wxULongLongNative { public: // ctors // default ctor initializes to 0 - wxULongLongNative() { m_ll = 0; } + wxULongLongNative() : m_ll(0) { } // from long long - wxULongLongNative(unsigned wxLongLong_t ll) { m_ll = ll; } + wxULongLongNative(wxULongLong_t ll) : m_ll(ll) { } // from 2 longs - wxULongLongNative(unsigned long hi, unsigned long lo) + wxULongLongNative(unsigned long hi, unsigned long lo) : m_ll(0) { // assign first to avoid precision loss! - m_ll = ((unsigned wxLongLong_t) hi) << 32; - m_ll |= (unsigned wxLongLong_t) lo; + m_ll = ((wxULongLong_t) hi) << 32; + m_ll |= (wxULongLong_t) lo; } // default copy ctor is ok @@ -358,7 +334,7 @@ public: // assignment operators // from native 64 bit integer - wxULongLongNative& operator=(unsigned wxLongLong_t ll) + wxULongLongNative& operator=(wxULongLong_t ll) { m_ll = ll; return *this; } // assignment operators from wxULongLongNative is ok @@ -366,27 +342,23 @@ public: // accessors // get high part unsigned long GetHi() const - { return (unsigned long)(m_ll >> 32); } + { return wx_truncate_cast(unsigned long, m_ll >> 32); } // get low part unsigned long GetLo() const - { return (unsigned long)m_ll; } + { return wx_truncate_cast(unsigned long, m_ll); } // convert to native ulong long - unsigned wxLongLong_t GetValue() const { return m_ll; } + wxULongLong_t GetValue() const { return m_ll; } - // convert to ulong with range checking in the debug mode (only!) + // convert to ulong with range checking in debug mode (only!) unsigned long ToULong() const { - wxASSERT_MSG( (m_ll >= LONG_MIN) && (m_ll <= LONG_MAX), + wxASSERT_MSG( m_ll <= LONG_MAX, _T("wxULongLong to long conversion loss of precision") ); - return (unsigned long)m_ll; + return wx_truncate_cast(unsigned long, m_ll); } - // don't provide implicit conversion to unsigned wxLongLong_t or we - // will have an ambiguity for all arithmetic operations - //operator wxULongLong_t() const { return m_ll; } - // operations // addition wxULongLongNative operator+(const wxULongLongNative& ll) const @@ -394,9 +366,9 @@ public: wxULongLongNative& operator+=(const wxULongLongNative& ll) { m_ll += ll.m_ll; return *this; } - wxULongLongNative operator+(const unsigned wxLongLong_t ll) const + wxULongLongNative operator+(const wxULongLong_t ll) const { return wxULongLongNative(m_ll + ll); } - wxULongLongNative& operator+=(const unsigned wxLongLong_t ll) + wxULongLongNative& operator+=(const wxULongLong_t ll) { m_ll += ll; return *this; } // pre increment @@ -404,8 +376,8 @@ public: { m_ll++; return *this; } // post increment - wxULongLongNative& operator++(int) - { m_ll++; return *this; } + wxULongLongNative operator++(int) + { wxULongLongNative value(*this); m_ll++; return value; } // subtraction wxULongLongNative operator-(const wxULongLongNative& ll) const @@ -413,9 +385,9 @@ public: wxULongLongNative& operator-=(const wxULongLongNative& ll) { m_ll -= ll.m_ll; return *this; } - wxULongLongNative operator-(const unsigned wxLongLong_t ll) const + wxULongLongNative operator-(const wxULongLong_t ll) const { return wxULongLongNative(m_ll - ll); } - wxULongLongNative& operator-=(const unsigned wxLongLong_t ll) + wxULongLongNative& operator-=(const wxULongLong_t ll) { m_ll -= ll; return *this; } // pre decrement @@ -423,19 +395,19 @@ public: { m_ll--; return *this; } // post decrement - wxULongLongNative& operator--(int) - { m_ll--; return *this; } + wxULongLongNative operator--(int) + { wxULongLongNative value(*this); m_ll--; return value; } // shifts // left shift wxULongLongNative operator<<(int shift) const - { return wxULongLongNative(m_ll << shift);; } + { return wxULongLongNative(m_ll << shift); } wxULongLongNative& operator<<=(int shift) { m_ll <<= shift; return *this; } // right shift wxULongLongNative operator>>(int shift) const - { return wxULongLongNative(m_ll >> shift);; } + { return wxULongLongNative(m_ll >> shift); } wxULongLongNative& operator>>=(int shift) { m_ll >>= shift; return *this; } @@ -515,18 +487,22 @@ public: #if wxUSE_STD_IOSTREAM // input/output - friend wxSTD ostream& operator<<(wxSTD ostream&, const wxULongLongNative&); + friend WXDLLIMPEXP_BASE + wxSTD ostream& operator<<(wxSTD ostream&, const wxULongLongNative&); #endif + friend WXDLLIMPEXP_BASE + wxString& operator<<(wxString&, const wxULongLongNative&); + private: - unsigned wxLongLong_t m_ll; + wxULongLong_t m_ll; }; #endif // wxUSE_LONGLONG_NATIVE #if wxUSE_LONGLONG_WX -class WXDLLEXPORT wxLongLongWx +class WXDLLIMPEXP_BASE wxLongLongWx { public: // ctors @@ -604,7 +580,7 @@ public: return *this; } - // convert to long with range checking in the debug mode (only!) + // convert to long with range checking in debug mode (only!) long ToLong() const { wxASSERT_MSG( (m_hi == 0l) || (m_hi == -1l), @@ -613,6 +589,9 @@ public: return (long)m_lo; } + // convert to double + double ToDouble() const; + // operations // addition wxLongLongWx operator+(const wxLongLongWx& ll) const; @@ -661,6 +640,10 @@ public: // comparison bool operator==(const wxLongLongWx& ll) const { return m_lo == ll.m_lo && m_hi == ll.m_hi; } +#if wxUSE_LONGLONG_NATIVE + bool operator==(const wxLongLongNative& ll) const + { return m_lo == ll.GetLo() && m_hi == ll.GetHi(); } +#endif bool operator!=(const wxLongLongWx& ll) const { return !(*this == ll); } bool operator<(const wxLongLongWx& ll) const; @@ -703,9 +686,13 @@ public: void *asArray() const; #if wxUSE_STD_IOSTREAM - friend wxSTD ostream& operator<<(wxSTD ostream&, const wxLongLongWx&); + friend WXDLLIMPEXP_BASE + wxSTD ostream& operator<<(wxSTD ostream&, const wxLongLongWx&); #endif // wxUSE_STD_IOSTREAM + friend WXDLLIMPEXP_BASE + wxString& operator<<(wxString&, const wxLongLongWx&); + private: // long is at least 32 bits, so represent our 64bit number as 2 longs @@ -723,7 +710,7 @@ private: }; -class WXDLLEXPORT wxULongLongWx +class WXDLLIMPEXP_BASE wxULongLongWx { public: // ctors @@ -755,6 +742,14 @@ public: #endif // wxLONGLONG_TEST_MODE } + // from signed to unsigned + wxULongLongWx(wxLongLongWx ll) + { + wxASSERT(ll.GetHi() >= 0); + m_hi = (unsigned long)ll.GetHi(); + m_lo = ll.GetLo(); + } + // default copy ctor is ok in both cases // no dtor @@ -783,10 +778,10 @@ public: // get low part unsigned long GetLo() const { return m_lo; } - // convert to long with range checking in the debug mode (only!) + // convert to long with range checking in debug mode (only!) unsigned long ToULong() const { - wxASSERT_MSG( (m_hi == 0l), + wxASSERT_MSG( m_hi == 0ul, _T("wxULongLong to long conversion loss of precision") ); return (unsigned long)m_lo; @@ -805,8 +800,8 @@ public: // post increment operator wxULongLongWx& operator++(int) { return ++(*this); } - // subraction - wxULongLongWx operator-(const wxULongLongWx& ll) const; + // subtraction + wxLongLongWx operator-(const wxULongLongWx& ll) const; wxULongLongWx& operator-=(const wxULongLongWx& ll); // pre decrement operator @@ -877,13 +872,17 @@ public: void *asArray() const; #if wxUSE_STD_IOSTREAM - friend wxSTD ostream& operator<<(wxSTD ostream&, const wxULongLongWx&); + friend WXDLLIMPEXP_BASE + wxSTD ostream& operator<<(wxSTD ostream&, const wxULongLongWx&); #endif // wxUSE_STD_IOSTREAM + friend WXDLLIMPEXP_BASE + wxString& operator<<(wxString&, const wxULongLongWx&); + private: // long is at least 32 bits, so represent our 64bit number as 2 longs - unsigned long m_hi + unsigned long m_hi; unsigned long m_lo; #ifdef wxLONGLONG_TEST_MODE @@ -892,7 +891,7 @@ private: wxASSERT( (m_ll >> 32) == m_hi && (unsigned long)m_ll == m_lo ); } - unsigned wxLongLong_t m_ll; + wxULongLong_t m_ll; #endif // wxLONGLONG_TEST_MODE }; @@ -903,23 +902,31 @@ private: // ---------------------------------------------------------------------------- inline bool operator<(long l, const wxLongLong& ll) { return ll > l; } -inline bool operator>(long l, const wxLongLong& ll) { return ll > l; } -inline bool operator<=(long l, const wxLongLong& ll) { return ll > l; } -inline bool operator>=(long l, const wxLongLong& ll) { return ll > l; } -inline bool operator==(long l, const wxLongLong& ll) { return ll > l; } -inline bool operator!=(long l, const wxLongLong& ll) { return ll > l; } +inline bool operator>(long l, const wxLongLong& ll) { return ll < l; } +inline bool operator<=(long l, const wxLongLong& ll) { return ll >= l; } +inline bool operator>=(long l, const wxLongLong& ll) { return ll <= l; } +inline bool operator==(long l, const wxLongLong& ll) { return ll == l; } +inline bool operator!=(long l, const wxLongLong& ll) { return ll != l; } inline wxLongLong operator+(long l, const wxLongLong& ll) { return ll + l; } -inline wxLongLong operator-(long l, const wxLongLong& ll) { return ll - l; } +inline wxLongLong operator-(long l, const wxLongLong& ll) +{ + return wxLongLong(l) - ll; +} -inline bool operator<(unsigned long l, const wxULongLong& ll) { return ll > l; } -inline bool operator>(unsigned long l, const wxULongLong& ll) { return ll > l; } -inline bool operator<=(unsigned long l, const wxULongLong& ll) { return ll > l; } -inline bool operator>=(unsigned long l, const wxULongLong& ll) { return ll > l; } -inline bool operator==(unsigned long l, const wxULongLong& ll) { return ll > l; } -inline bool operator!=(unsigned long l, const wxULongLong& ll) { return ll > l; } +inline bool operator<(unsigned long l, const wxULongLong& ull) { return ull > l; } +inline bool operator>(unsigned long l, const wxULongLong& ull) { return ull < l; } +inline bool operator<=(unsigned long l, const wxULongLong& ull) { return ull >= l; } +inline bool operator>=(unsigned long l, const wxULongLong& ull) { return ull <= l; } +inline bool operator==(unsigned long l, const wxULongLong& ull) { return ull == l; } +inline bool operator!=(unsigned long l, const wxULongLong& ull) { return ull != l; } -inline wxULongLong operator+(unsigned long l, const wxULongLong& ll) { return ll + l; } -inline wxULongLong operator-(unsigned long l, const wxULongLong& ll) { return ll - l; } +inline wxULongLong operator+(unsigned long l, const wxULongLong& ull) { return ull + l; } + +inline wxLongLong operator-(unsigned long l, const wxULongLong& ull) +{ + wxULongLong ret = wxULongLong(l) - ull; + return wxLongLong((long)ret.GetHi(),ret.GetLo()); +} #endif // _WX_LONGLONG_H