X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8907154c1a8a6882c6797d1f16393ddfb23e7f3a..eea4d01c65f9b29baa1193db762b4c6b8144af24:/src/common/longlong.cpp diff --git a/src/common/longlong.cpp b/src/common/longlong.cpp index 488cb1565a..1ceefe0123 100644 --- a/src/common/longlong.cpp +++ b/src/common/longlong.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: wx/longlong.cpp +// Name: src/common/longlong.cpp // Purpose: implementation of wxLongLongNative // Author: Jeffrey C. Ollie , Vadim Zeitlin // Remarks: this class is not public in wxWidgets 2.0! It is intentionally @@ -22,15 +22,19 @@ #endif #if wxUSE_LONGLONG + #include "wx/longlong.h" -#include "wx/math.h" // for fabs() -#if defined(__MWERKS__) && defined(__WXMSW__) -#include // for memset() -#else -#include // for memset() +#ifndef WX_PRECOMP + #include "wx/math.h" // for fabs() +#endif + +#if wxUSE_STREAMS + #include "wx/txtstrm.h" #endif +#include // for memset() + #include "wx/ioswrap.h" // ============================================================================ @@ -47,14 +51,14 @@ void *wxLongLongNative::asArray() const { static unsigned char temp[8]; - temp[0] = (unsigned char)((m_ll >> 56) & 0xFF); - temp[1] = (unsigned char)((m_ll >> 48) & 0xFF); - temp[2] = (unsigned char)((m_ll >> 40) & 0xFF); - temp[3] = (unsigned char)((m_ll >> 32) & 0xFF); - temp[4] = (unsigned char)((m_ll >> 24) & 0xFF); - temp[5] = (unsigned char)((m_ll >> 16) & 0xFF); - temp[6] = (unsigned char)((m_ll >> 8) & 0xFF); - temp[7] = (unsigned char)((m_ll >> 0) & 0xFF); + temp[0] = wx_truncate_cast(unsigned char, ((m_ll >> 56) & 0xFF)); + temp[1] = wx_truncate_cast(unsigned char, ((m_ll >> 48) & 0xFF)); + temp[2] = wx_truncate_cast(unsigned char, ((m_ll >> 40) & 0xFF)); + temp[3] = wx_truncate_cast(unsigned char, ((m_ll >> 32) & 0xFF)); + temp[4] = wx_truncate_cast(unsigned char, ((m_ll >> 24) & 0xFF)); + temp[5] = wx_truncate_cast(unsigned char, ((m_ll >> 16) & 0xFF)); + temp[6] = wx_truncate_cast(unsigned char, ((m_ll >> 8) & 0xFF)); + temp[7] = wx_truncate_cast(unsigned char, ((m_ll >> 0) & 0xFF)); return temp; } @@ -63,14 +67,14 @@ void *wxULongLongNative::asArray() const { static unsigned char temp[8]; - temp[0] = (unsigned char)((m_ll >> 56) & 0xFF); - temp[1] = (unsigned char)((m_ll >> 48) & 0xFF); - temp[2] = (unsigned char)((m_ll >> 40) & 0xFF); - temp[3] = (unsigned char)((m_ll >> 32) & 0xFF); - temp[4] = (unsigned char)((m_ll >> 24) & 0xFF); - temp[5] = (unsigned char)((m_ll >> 16) & 0xFF); - temp[6] = (unsigned char)((m_ll >> 8) & 0xFF); - temp[7] = (unsigned char)((m_ll >> 0) & 0xFF); + temp[0] = wx_truncate_cast(unsigned char, ((m_ll >> 56) & 0xFF)); + temp[1] = wx_truncate_cast(unsigned char, ((m_ll >> 48) & 0xFF)); + temp[2] = wx_truncate_cast(unsigned char, ((m_ll >> 40) & 0xFF)); + temp[3] = wx_truncate_cast(unsigned char, ((m_ll >> 32) & 0xFF)); + temp[4] = wx_truncate_cast(unsigned char, ((m_ll >> 24) & 0xFF)); + temp[5] = wx_truncate_cast(unsigned char, ((m_ll >> 16) & 0xFF)); + temp[6] = wx_truncate_cast(unsigned char, ((m_ll >> 8) & 0xFF)); + temp[7] = wx_truncate_cast(unsigned char, ((m_ll >> 0) & 0xFF)); return temp; } @@ -92,8 +96,59 @@ wxLongLongNative& wxLongLongNative::operator=(wxLongLongWx ll) m_ll |= ll.GetLo(); return *this; } + +wxLongLongNative& wxLongLongNative::operator=(const class wxULongLongWx &ll) +{ + // assign first to avoid precision loss! + m_ll = ll.GetHi(); + m_ll <<= 32; + m_ll |= ll.GetLo(); + return *this; +} + +wxULongLongNative::wxULongLongNative(const class wxULongLongWx &ll) +{ + // assign first to avoid precision loss! + m_ll = ll.GetHi(); + m_ll <<= 32; + m_ll |= ((unsigned long) ll.GetLo()); +} + +wxULongLongNative& wxULongLongNative::operator=(wxLongLongWx ll) +{ + // assign first to avoid precision loss! + m_ll = ll.GetHi(); + m_ll <<= 32; + m_ll |= ((unsigned long) ll.GetLo()); + return *this; +} + +wxULongLongNative& wxULongLongNative::operator=(const class wxULongLongWx &ll) +{ + // assign first to avoid precision loss! + m_ll = ll.GetHi(); + m_ll <<= 32; + m_ll |= ((unsigned long) ll.GetLo()); + return *this; +} #endif +#ifdef __VISUALC6__ +double wxULongLongNative::ToDouble() const +{ + // Work around the problem of casting unsigned __int64 to double in VC6 + // (which for unknown reasons only manifests itself in DLL builds, i.e. + // when using /MD). + static const __int64 int64_t_max = 9223372036854775807i64; + if ( m_ll <= int64_t_max ) + return wx_truncate_cast(double, (wxLongLong_t)m_ll); + + double d = wx_truncate_cast(double, int64_t_max); + d += (__int64)(m_ll - int64_t_max - 1); // The cast is safe because of -1 + return d + 1; +} +#endif // __VISUALC6__ + #endif // wxUSE_LONGLONG_NATIVE // ============================================================================ @@ -102,6 +157,14 @@ wxLongLongNative& wxLongLongNative::operator=(wxLongLongWx ll) #if wxUSE_LONGLONG_WX +// Set value from unsigned wxULongLongWx +wxLongLongWx &wxLongLongWx::operator=(const class wxULongLongWx &ll) +{ + m_hi = (unsigned long) ll.GetHi(); + m_lo = ll.GetLo(); + return *this; +} + // assignment wxLongLongWx& wxLongLongWx::Assign(double d) { @@ -143,6 +206,19 @@ double wxLongLongWx::ToDouble() const return d; } +double wxULongLongWx::ToDouble() const +{ + unsigned double d = m_hi; + d *= 1.0 + (double)ULONG_MAX; + d += m_lo; + +#ifdef wxLONGLONG_TEST_MODE + wxASSERT( d == m_ll ); +#endif // wxLONGLONG_TEST_MODE + + return d; +} + wxLongLongWx wxLongLongWx::operator<<(int shift) const { wxLongLongWx ll(*this); @@ -1112,7 +1188,7 @@ void *wxULongLongWx::asArray(void) const while ( ll != 0 ) \ { \ long digit = (ll % 10).ToLong(); \ - result.Prepend((wxChar)(_T('0') - digit)); \ + result.Prepend((wxChar)(wxT('0') - digit)); \ ll /= 10; \ } \ } \ @@ -1121,15 +1197,15 @@ void *wxULongLongWx::asArray(void) const while ( ll != 0 ) \ { \ long digit = (ll % 10).ToLong(); \ - result.Prepend((wxChar)(_T('0') + digit)); \ + result.Prepend((wxChar)(wxT('0') + digit)); \ ll /= 10; \ } \ } \ \ if ( result.empty() ) \ - result = _T('0'); \ + result = wxT('0'); \ else if ( neg ) \ - result.Prepend(_T('-')); \ + result.Prepend(wxT('-')); \ \ return result; \ } @@ -1144,12 +1220,12 @@ void *wxULongLongWx::asArray(void) const \ while ( ll != 0 ) \ { \ - result.Prepend((wxChar)(_T('0') + (ll % 10).ToULong())); \ + result.Prepend((wxChar)(wxT('0') + (ll % 10).ToULong())); \ ll /= 10; \ } \ \ if ( result.empty() ) \ - result = _T('0'); \ + result = wxT('0'); \ \ return result; \ } @@ -1191,4 +1267,113 @@ WXDLLIMPEXP_BASE wxString& operator<< (wxString& s, const wxULongLong& ll) return s << ll.ToString(); } +#if wxUSE_STREAMS + +WXDLLIMPEXP_BASE wxTextOutputStream& operator<< (wxTextOutputStream& o, const wxULongLong& ll) +{ + return o << ll.ToString(); +} + +WXDLLIMPEXP_BASE wxTextOutputStream& operator<< (wxTextOutputStream& o, const wxLongLong& ll) +{ + return o << ll.ToString(); +} + +#define READ_STRING_CHAR(s, idx, len) ((idx!=len) ? (wxChar)s[idx++] : wxT('\0')) + +WXDLLIMPEXP_BASE class wxTextInputStream &operator>>(class wxTextInputStream &o, wxULongLong &ll) +{ + wxString s = o.ReadWord(); + + ll = wxULongLong(0l, 0l); + size_t length = s.length(); + size_t idx = 0; + + wxChar ch = READ_STRING_CHAR(s, idx, length); + + // Skip WS + while (ch==wxT(' ') || ch==wxT('\t')) + ch = READ_STRING_CHAR(s, idx, length); + + // Read number + wxULongLong multiplier(0l, 10l); + while (ch>=wxT('0') && ch<=wxT('9')) { + long lValue = (unsigned) (ch - wxT('0')); + ll = ll * multiplier + wxULongLong(0l, lValue); + ch = READ_STRING_CHAR(s, idx, length); + } + + return o; +} + +WXDLLIMPEXP_BASE class wxTextInputStream &operator>>(class wxTextInputStream &o, wxLongLong &ll) +{ + wxString s = o.ReadWord(); + + ll = wxLongLong(0l, 0l); + size_t length = s.length(); + size_t idx = 0; + + wxChar ch = READ_STRING_CHAR(s, idx, length); + + // Skip WS + while (ch==wxT(' ') || ch==wxT('\t')) + ch = READ_STRING_CHAR(s, idx, length); + + // Ask for sign + int iSign = 1; + if (ch==wxT('-') || ch==wxT('+')) { + iSign = ((ch==wxT('-')) ? -1 : 1); + ch = READ_STRING_CHAR(s, idx, length); + } + + // Read number + wxLongLong multiplier(0l, 10l); + while (ch>=wxT('0') && ch<=wxT('9')) { + long lValue = (unsigned) (ch - wxT('0')); + ll = ll * multiplier + wxLongLong(0l, lValue); + ch = READ_STRING_CHAR(s, idx, length); + } + +#if wxUSE_LONGLONG_NATIVE + ll = ll * wxLongLong((wxLongLong_t) iSign); +#else + ll = ll * wxLongLong((long) iSign); +#endif + + return o; +} + +#if wxUSE_LONGLONG_NATIVE + +WXDLLIMPEXP_BASE class wxTextOutputStream &operator<<(class wxTextOutputStream &o, wxULongLong_t value) +{ + return o << wxULongLong(value).ToString(); +} + +WXDLLIMPEXP_BASE class wxTextOutputStream &operator<<(class wxTextOutputStream &o, wxLongLong_t value) +{ + return o << wxLongLong(value).ToString(); +} + +WXDLLIMPEXP_BASE class wxTextInputStream &operator>>(class wxTextInputStream &o, wxULongLong_t &value) +{ + wxULongLong ll; + o >> ll; + value = ll.GetValue(); + return o; +} + +WXDLLIMPEXP_BASE class wxTextInputStream &operator>>(class wxTextInputStream &o, wxLongLong_t &value) +{ + wxLongLong ll; + o >> ll; + value = ll.GetValue(); + return o; +} + +#endif // wxUSE_LONGLONG_NATIVE + +#endif // wxUSE_STREAMS + #endif // wxUSE_LONGLONG