// Author: Jeffrey C. Ollie <jeff@ollie.clive.ia.us>, Vadim Zeitlin
// Modified by:
// Created: 10.02.99
-// RCS-ID: $Id$
// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_LONGLONG_H
#define _WX_LONGLONG_H
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
- #pragma interface "longlong.h"
-#endif
-
#include "wx/defs.h"
+
+#if wxUSE_LONGLONG
+
#include "wx/string.h"
#include <limits.h> // for LONG_MAX
// 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
// <sigh>
- #if !(defined(__WATCOMC__) || defined(__VISAGECPP__))
+ #ifdef __GNUC__
+ #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!"
+ #elif !(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 " \
#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
#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
// 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;
}
// assignment operators
// from native 64 bit integer
+#ifndef wxLongLongIsLong
wxLongLongNative& operator=(wxLongLong_t ll)
{ m_ll = ll; return *this; }
+ wxLongLongNative& operator=(wxULongLong_t ll)
+ { m_ll = ll; return *this; }
+#endif // !wxLongLongNative
+ wxLongLongNative& operator=(const wxULongLongNative &ll);
+ wxLongLongNative& operator=(int l)
+ { m_ll = l; return *this; }
+ wxLongLongNative& operator=(long l)
+ { m_ll = l; return *this; }
+ wxLongLongNative& operator=(unsigned int l)
+ { m_ll = l; return *this; }
+ wxLongLongNative& operator=(unsigned long l)
+ { m_ll = l; return *this; }
#if wxUSE_LONGLONG_WX
wxLongLongNative& operator=(wxLongLongWx ll);
+ wxLongLongNative& operator=(const class wxULongLongWx &ll);
#endif
// accessors
// get high part
- long GetHi() const
- { return (long)(m_ll >> 32); }
+ wxInt32 GetHi() const
+ { return wx_truncate_cast(wxInt32, m_ll >> 32); }
// get low part
- unsigned long GetLo() const
- { return (unsigned long)m_ll; }
+ wxUint32 GetLo() const
+ { return wx_truncate_cast(wxUint32, m_ll); }
// get absolute value
wxLongLongNative Abs() const { return wxLongLongNative(*this).Abs(); }
// convert to native long long
wxLongLong_t GetValue() 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") );
+ wxT("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; }
friend WXDLLIMPEXP_BASE
wxString& operator<<(wxString&, const wxLongLongNative&);
+#if wxUSE_STREAMS
+ friend WXDLLIMPEXP_BASE
+ class wxTextOutputStream& operator<<(class wxTextOutputStream&, const wxLongLongNative&);
+ friend WXDLLIMPEXP_BASE
+ class wxTextInputStream& operator>>(class wxTextInputStream&, wxLongLongNative&);
+#endif
+
private:
wxLongLong_t m_ll;
};
// 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;
}
+#if wxUSE_LONGLONG_WX
+ wxULongLongNative(const class wxULongLongWx &ll);
+#endif
+
// default copy ctor is ok
// no dtor
// assignment operators
// from native 64 bit integer
+#ifndef wxLongLongIsLong
wxULongLongNative& operator=(wxULongLong_t ll)
{ m_ll = ll; return *this; }
+ wxULongLongNative& operator=(wxLongLong_t ll)
+ { m_ll = ll; return *this; }
+#endif // !wxLongLongNative
+ wxULongLongNative& operator=(int l)
+ { m_ll = l; return *this; }
+ wxULongLongNative& operator=(long l)
+ { m_ll = l; return *this; }
+ wxULongLongNative& operator=(unsigned int l)
+ { m_ll = l; return *this; }
+ wxULongLongNative& operator=(unsigned long l)
+ { m_ll = l; return *this; }
+ wxULongLongNative& operator=(const wxLongLongNative &ll)
+ { m_ll = ll.GetValue(); return *this; }
+#if wxUSE_LONGLONG_WX
+ wxULongLongNative& operator=(wxLongLongWx ll);
+ wxULongLongNative& operator=(const class wxULongLongWx &ll);
+#endif
// assignment operators from wxULongLongNative is ok
// accessors
// get high part
- unsigned long GetHi() const
- { return (unsigned long)(m_ll >> 32); }
+ wxUint32 GetHi() const
+ { return wx_truncate_cast(wxUint32, m_ll >> 32); }
// get low part
- unsigned long GetLo() const
- { return (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; }
- // 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_MAX,
- _T("wxULongLong to long conversion loss of precision") );
+ wxASSERT_MSG( m_ll <= ULONG_MAX,
+ wxT("wxULongLong to long conversion loss of precision") );
- return (unsigned long)m_ll;
+ 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
friend WXDLLIMPEXP_BASE
wxString& operator<<(wxString&, const wxULongLongNative&);
+#if wxUSE_STREAMS
+ friend WXDLLIMPEXP_BASE
+ class wxTextOutputStream& operator<<(class wxTextOutputStream&, const wxULongLongNative&);
+ friend WXDLLIMPEXP_BASE
+ class wxTextInputStream& operator>>(class wxTextInputStream&, wxULongLongNative&);
+#endif
+
private:
wxULongLong_t m_ll;
};
+inline
+wxLongLongNative& wxLongLongNative::operator=(const wxULongLongNative &ll)
+{
+ m_ll = ll.GetValue();
+ return *this;
+}
+
#endif // wxUSE_LONGLONG_NATIVE
#if wxUSE_LONGLONG_WX
return *this;
}
- // from double
+ // from int
+ wxLongLongWx& operator=(int l)
+ {
+ return operator=((long)l);
+ }
+
+ wxLongLongWx& operator=(unsigned long l)
+ {
+ m_lo = l;
+ m_hi = 0;
+
+#ifdef wxLONGLONG_TEST_MODE
+ m_ll = l;
+
+ Check();
+#endif // wxLONGLONG_TEST_MODE
+
+ return *this;
+ }
+
+ wxLongLongWx& operator=(unsigned int l)
+ {
+ return operator=((unsigned long)l);
+ }
+
+ wxLongLongWx& operator=(const class wxULongLongWx &ll);
+
+ // from double
wxLongLongWx& Assign(double d);
// can't have assignment operator from 2 longs
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),
- _T("wxLongLong to long conversion loss of precision") );
+ wxT("wxLongLong to long conversion loss of precision") );
return (long)m_lo;
}
+ // convert to double
+ double ToDouble() const;
+
// operations
// addition
wxLongLongWx operator+(const wxLongLongWx& ll) const;
friend WXDLLIMPEXP_BASE
wxString& operator<<(wxString&, const wxLongLongWx&);
+#if wxUSE_STREAMS
+ friend WXDLLIMPEXP_BASE
+ class wxTextOutputStream& operator<<(class wxTextOutputStream&, const wxLongLongWx&);
+ friend WXDLLIMPEXP_BASE
+ class wxTextInputStream& operator>>(class wxTextInputStream&, wxLongLongWx&);
+#endif
+
private:
// long is at least 32 bits, so represent our 64bit number as 2 longs
return *this;
}
+ wxULongLongWx& operator=(long l)
+ {
+ m_lo = l;
+ m_hi = (unsigned long) ((l<0) ? -1l : 0);
+
+#ifdef wxLONGLONG_TEST_MODE
+ m_ll = (wxULongLong_t) (wxLongLong_t) l;
+
+ Check();
+#endif // wxLONGLONG_TEST_MODE
+
+ return *this;
+ }
+ wxULongLongWx& operator=(const class wxLongLongWx &ll) {
+ // Should we use an assert like it was before in the constructor?
+ // wxASSERT(ll.GetHi() >= 0);
+ m_hi = (unsigned long)ll.GetHi();
+ m_lo = ll.GetLo();
+ return *this;
+ }
// can't have assignment operator from 2 longs
// 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 == 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;
friend WXDLLIMPEXP_BASE
wxString& operator<<(wxString&, const wxULongLongWx&);
+#if wxUSE_STREAMS
+ friend WXDLLIMPEXP_BASE
+ class wxTextOutputStream& operator<<(class wxTextOutputStream&, const wxULongLongWx&);
+ friend WXDLLIMPEXP_BASE
+ class wxTextInputStream& operator>>(class wxTextInputStream&, wxULongLongWx&);
+#endif
+
private:
// long is at least 32 bits, so represent our 64bit number as 2 longs
inline wxLongLong operator-(unsigned long l, const wxULongLong& ull)
{
wxULongLong ret = wxULongLong(l) - ull;
- return wxLongLong((long)ret.GetHi(),ret.GetLo());
+ return wxLongLong((wxInt32)ret.GetHi(),ret.GetLo());
}
+#if wxUSE_LONGLONG_NATIVE && wxUSE_STREAMS
+
+WXDLLIMPEXP_BASE class wxTextOutputStream &operator<<(class wxTextOutputStream &stream, wxULongLong_t value);
+WXDLLIMPEXP_BASE class wxTextOutputStream &operator<<(class wxTextOutputStream &stream, wxLongLong_t value);
+
+WXDLLIMPEXP_BASE class wxTextInputStream &operator>>(class wxTextInputStream &stream, wxULongLong_t &value);
+WXDLLIMPEXP_BASE class wxTextInputStream &operator>>(class wxTextInputStream &stream, wxLongLong_t &value);
+
+#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
+// <limits> 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 <limits>
+
+namespace std
+{
+
+#ifdef __clang__
+ // libstdc++ (used by Clang) uses struct for numeric_limits; unlike gcc, clang
+ // warns about this
+ template<> struct numeric_limits<wxLongLong> : public numeric_limits<wxLongLong_t> {};
+ template<> struct numeric_limits<wxULongLong> : public numeric_limits<wxULongLong_t> {};
+#else
+ template<> class numeric_limits<wxLongLong> : public numeric_limits<wxLongLong_t> {};
+ template<> class numeric_limits<wxULongLong> : public numeric_limits<wxULongLong_t> {};
+#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<wxLongLong>
+{
+ 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
projects / wxWidgets.git / blobdiff