X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/d0ee33f5c6908b4ac5e1364381f0ef00942e3936..da8b1d4b3b535aba94d04494f5b6e2b3e47901ee:/include/wx/longlong.h

diff --git a/include/wx/longlong.h b/include/wx/longlong.h
index 3adf4335b8..71cb62bd4a 100644
--- a/include/wx/longlong.h
+++ b/include/wx/longlong.h
@@ -13,11 +13,10 @@
 #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
@@ -43,7 +42,12 @@
     // 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 " \
@@ -63,8 +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
@@ -82,8 +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
@@ -109,9 +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;
     }
@@ -125,10 +129,24 @@ public:
 
     // 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
 
 
@@ -142,11 +160,11 @@ public:
 
     // 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(); }
@@ -155,15 +173,18 @@ public:
         // 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; }
@@ -308,6 +329,13 @@ public:
     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;
 };
@@ -322,44 +350,73 @@ 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;
     }
 
+#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") );
+                      wxT("wxULongLong to long conversion loss of precision") );
 
-        return (unsigned long)m_ll;
+        return wx_truncate_cast(unsigned long, m_ll);
     }
 
+        // convert to double
+#ifdef _MSC_VER
+    double ToDouble() const { return wx_truncate_cast(double, (__int64) m_ll); }
+#else
+    double ToDouble() const { return wx_truncate_cast(double, m_ll); }
+#endif
+
     // operations
         // addition
     wxULongLongNative operator+(const wxULongLongNative& ll) const
@@ -495,10 +552,24 @@ public:
     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
@@ -554,7 +625,34 @@ public:
 
         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
 
@@ -581,15 +679,18 @@ 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),
-                      _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;
@@ -691,6 +792,13 @@ public:
     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
 
@@ -767,6 +875,26 @@ public:
 
         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
 
@@ -776,15 +904,18 @@ 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 == 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;
@@ -877,6 +1008,13 @@ public:
     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
 
@@ -927,4 +1065,16 @@ inline wxLongLong operator-(unsigned long l, const wxULongLong& ull)
     return wxLongLong((long)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
+
+#endif // wxUSE_LONGLONG
+
 #endif // _WX_LONGLONG_H