X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/62675f1e331549a873edd094c686fae771e862c5..51623cc53f350935337e57930eaaf1afe9a48c3b:/include/wx/longlong.h diff --git a/include/wx/longlong.h b/include/wx/longlong.h index 59dcd57c74..19c580110e 100644 --- a/include/wx/longlong.h +++ b/include/wx/longlong.h @@ -67,8 +67,8 @@ #define wxUSE_LONGLONG_NATIVE 0 #endif - class WXDLLIMPEXP_BASE wxLongLongWx; - class WXDLLIMPEXP_BASE wxULongLongWx; + class WXDLLIMPEXP_FWD_BASE wxLongLongWx; + class WXDLLIMPEXP_FWD_BASE wxULongLongWx; #if defined(__VISUALC__) && !defined(__WIN32__) #define wxLongLong wxLongLongWx #define wxULongLong wxULongLongWx @@ -86,8 +86,8 @@ #ifndef wxUSE_LONGLONG_WX #define wxUSE_LONGLONG_WX 0 - class WXDLLIMPEXP_BASE wxLongLongNative; - class WXDLLIMPEXP_BASE wxULongLongNative; + class WXDLLIMPEXP_FWD_BASE wxLongLongNative; + class WXDLLIMPEXP_FWD_BASE wxULongLongNative; typedef wxLongLongNative wxLongLong; typedef wxULongLongNative wxULongLong; #endif @@ -113,9 +113,9 @@ public: // from long long wxLongLongNative(wxLongLong_t ll) : m_ll(ll) { } // from 2 longs - wxLongLongNative(long hi, unsigned long lo) : m_ll(0) + wxLongLongNative(wxInt32 hi, wxUint32 lo) { - // assign first to avoid precision loss! + // cast to wxLongLong_t first to avoid precision loss! m_ll = ((wxLongLong_t) hi) << 32; m_ll |= (wxLongLong_t) lo; } @@ -160,11 +160,11 @@ public: // accessors // get high part - long GetHi() const - { return wx_truncate_cast(long, m_ll >> 32); } + wxInt32 GetHi() const + { return wx_truncate_cast(wxInt32, m_ll >> 32); } // get low part - unsigned long GetLo() const - { return wx_truncate_cast(unsigned long, m_ll); } + wxUint32 GetLo() const + { return wx_truncate_cast(wxUint32, m_ll); } // get absolute value wxLongLongNative Abs() const { return wxLongLongNative(*this).Abs(); } @@ -177,7 +177,7 @@ public: long ToLong() const { wxASSERT_MSG( (m_ll >= LONG_MIN) && (m_ll <= LONG_MAX), - _T("wxLongLong to long conversion loss of precision") ); + wxT("wxLongLong to long conversion loss of precision") ); return wx_truncate_cast(long, m_ll); } @@ -350,9 +350,9 @@ public: // from long long wxULongLongNative(wxULongLong_t ll) : m_ll(ll) { } // from 2 longs - wxULongLongNative(unsigned long hi, unsigned long lo) : m_ll(0) + wxULongLongNative(wxUint32 hi, wxUint32 lo) : m_ll(0) { - // assign first to avoid precision loss! + // cast to wxLongLong_t first to avoid precision loss! m_ll = ((wxULongLong_t) hi) << 32; m_ll |= (wxULongLong_t) lo; } @@ -392,11 +392,11 @@ public: // accessors // get high part - unsigned long GetHi() const - { return wx_truncate_cast(unsigned long, m_ll >> 32); } + wxUint32 GetHi() const + { return wx_truncate_cast(wxUint32, m_ll >> 32); } // get low part - unsigned long GetLo() const - { return wx_truncate_cast(unsigned long, m_ll); } + wxUint32 GetLo() const + { return wx_truncate_cast(wxUint32, m_ll); } // convert to native ulong long wxULongLong_t GetValue() const { return m_ll; } @@ -404,12 +404,24 @@ public: // convert to ulong with range checking in debug mode (only!) unsigned long ToULong() const { - wxASSERT_MSG( m_ll <= LONG_MAX, - _T("wxULongLong to long conversion loss of precision") ); + wxASSERT_MSG( m_ll <= ULONG_MAX, + wxT("wxULongLong to long conversion loss of precision") ); return wx_truncate_cast(unsigned long, m_ll); } + // convert to double + // + // For some completely obscure reasons compiling the cast below with + // VC6 in DLL builds only (!) results in "error C2520: conversion from + // unsigned __int64 to double not implemented, use signed __int64" so + // we must use a different version for that compiler. +#ifdef __VISUALC6__ + double ToDouble() const; +#else + double ToDouble() const { return wx_truncate_cast(double, m_ll); } +#endif + // operations // addition wxULongLongNative operator+(const wxULongLongNative& ll) const @@ -676,7 +688,7 @@ public: long ToLong() const { wxASSERT_MSG( (m_hi == 0l) || (m_hi == -1l), - _T("wxLongLong to long conversion loss of precision") ); + wxT("wxLongLong to long conversion loss of precision") ); return (long)m_lo; } @@ -901,11 +913,14 @@ public: unsigned long ToULong() const { wxASSERT_MSG( m_hi == 0ul, - _T("wxULongLong to long conversion loss of precision") ); + wxT("wxULongLong to long conversion loss of precision") ); return (unsigned long)m_lo; } + // convert to double + double ToDouble() const; + // operations // addition wxULongLongWx operator+(const wxULongLongWx& ll) const; @@ -1065,6 +1080,66 @@ WXDLLIMPEXP_BASE class wxTextInputStream &operator>>(class wxTextInputStream &st #endif +// ---------------------------------------------------------------------------- +// Specialize numeric_limits<> for our long long wrapper classes. +// ---------------------------------------------------------------------------- + +#if wxUSE_LONGLONG_NATIVE + +// VC6 is known to not have __int64 specializations of numeric_limits<> in its +// anyhow so don't bother including it, especially as it results in +// tons of warnings because the standard header itself uses obsolete template +// specialization syntax. +#ifndef __VISUALC6__ + +#include + +namespace std +{ + +#ifdef __clang__ + // libstdc++ (used by Clang) uses struct for numeric_limits; unlike gcc, clang + // warns about this + template<> struct numeric_limits : public numeric_limits {}; + template<> struct numeric_limits : public numeric_limits {}; +#else + template<> class numeric_limits : public numeric_limits {}; + template<> class numeric_limits : public numeric_limits {}; +#endif + +} // namespace std + +#endif // !VC6 + +#endif // wxUSE_LONGLONG_NATIVE + +// ---------------------------------------------------------------------------- +// Specialize wxArgNormalizer to allow using wxLongLong directly with wx pseudo +// vararg functions. +// ---------------------------------------------------------------------------- + +// Notice that this must be done here and not in wx/strvararg.h itself because +// we can't include wx/longlong.h from there as this header itself includes +// wx/string.h which includes wx/strvararg.h too, so to avoid the circular +// dependencies we can only do it here (or add another header just for this but +// it doesn't seem necessary). +#include "wx/strvararg.h" + +template<> +struct WXDLLIMPEXP_BASE wxArgNormalizer +{ + wxArgNormalizer(wxLongLong value, + const wxFormatString *fmt, unsigned index) + : m_value(value) + { + wxASSERT_ARG_TYPE( fmt, index, wxFormatString::Arg_LongLongInt ); + } + + wxLongLong_t get() const { return m_value.GetValue(); } + + wxLongLong m_value; +}; + #endif // wxUSE_LONGLONG #endif // _WX_LONGLONG_H