X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c5ceb215a95990937a203838ceaa4d20eb39971e..7ef2db2570c8abd3b472ac91df5035534948c09f:/src/common/datstrm.cpp

diff --git a/src/common/datstrm.cpp b/src/common/datstrm.cpp
index b661775598..656b628b35 100644
--- a/src/common/datstrm.cpp
+++ b/src/common/datstrm.cpp
@@ -9,10 +9,6 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma implementation "datstrm.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
@@ -23,6 +19,7 @@
 #if wxUSE_STREAMS
 
 #include "wx/datstrm.h"
+#include "wx/math.h"
 
 // ---------------------------------------------------------------------------
 // wxDataInputStream
@@ -38,17 +35,14 @@ wxDataInputStream::wxDataInputStream(wxInputStream& s)
 {
 }
 
+#if wxHAS_INT64
 wxUint64 wxDataInputStream::Read64()
 {
-  wxUint64 i64;
-
-  m_input->Read(&i64, 8);
-
-  if (m_be_order)
-    return wxUINT64_SWAP_ON_LE(i64);
-  else
-    return wxUINT64_SWAP_ON_BE(i64);
+  wxUint64 tmp;
+  Read64(&tmp, 1);
+  return tmp;
 }
+#endif // wxHAS_INT64
 
 wxUint32 wxDataInputStream::Read32()
 {
@@ -82,16 +76,13 @@ wxUint8 wxDataInputStream::Read8()
   return (wxUint8)buf;
 }
 
-// Must be at global scope for VC++ 5
-extern "C" double ConvertFromIeeeExtended(const unsigned char *bytes);
-
 double wxDataInputStream::ReadDouble()
 {
 #if wxUSE_APPLE_IEEE
   char buf[10];
 
   m_input->Read(buf, 10);
-  return ConvertFromIeeeExtended((unsigned char *)buf);
+  return ConvertFromIeeeExtended((const wxInt8 *)buf);
 #else
   return 0.0;
 #endif
@@ -120,48 +111,216 @@ wxString wxDataInputStream::ReadString()
     return wxEmptyString;
 }
 
-void wxDataInputStream::Read64(wxUint64 *buffer, size_t size)
+#if wxUSE_LONGLONG
+
+template <class T>
+static
+void DoReadLL(T *buffer, size_t size, wxInputStream *input, bool be_order)
 {
-  m_input->Read(buffer, size * 8);
+    typedef T DataType;
+    unsigned char *pchBuffer = new unsigned char[size * 8];
+    // TODO: Check for overflow when size is of type uint and is > than 512m
+    input->Read(pchBuffer, size * 8);
+    size_t idx_base = 0;
+    if ( be_order )
+    {
+        for ( size_t uiIndex = 0; uiIndex != size; ++uiIndex )
+        {
+            buffer[uiIndex] = 0l;
+            for ( unsigned ui = 0; ui != 8; ++ui )
+            {
+                buffer[uiIndex] = buffer[uiIndex] * 256l +
+                            DataType((unsigned long) pchBuffer[idx_base + ui]);
+            }
+
+            idx_base += 8;
+        }
+    }
+    else // little endian
+    {
+        for ( size_t uiIndex=0; uiIndex!=size; ++uiIndex )
+        {
+            buffer[uiIndex] = 0l;
+            for ( unsigned ui=0; ui!=8; ++ui )
+                buffer[uiIndex] = buffer[uiIndex] * 256l +
+                    DataType((unsigned long) pchBuffer[idx_base + 7 - ui]);
+            idx_base += 8;
+        }
+    }
+    delete[] pchBuffer;
+}
 
-  if (m_be_order)
+template <class T>
+static void DoWriteLL(const T *buffer, size_t size, wxOutputStream *output, bool be_order)
+{
+    typedef T DataType;
+    unsigned char *pchBuffer = new unsigned char[size * 8];
+    size_t idx_base = 0;
+    if ( be_order )
+    {
+        for ( size_t uiIndex = 0; uiIndex != size; ++uiIndex )
+        {
+            DataType i64 = buffer[uiIndex];
+            for ( unsigned ui = 0; ui != 8; ++ui )
+            {
+                pchBuffer[idx_base + 7 - ui] =
+                    (unsigned char) (i64.GetLo() & 255l);
+                i64 >>= 8l;
+            }
+
+            idx_base += 8;
+        }
+    }
+    else // little endian
+    {
+        for ( size_t uiIndex=0; uiIndex != size; ++uiIndex )
+        {
+            DataType i64 = buffer[uiIndex];
+            for (unsigned ui=0; ui!=8; ++ui)
+            {
+                pchBuffer[idx_base + ui] =
+                    (unsigned char) (i64.GetLo() & 255l);
+                i64 >>= 8l;
+            }
+
+            idx_base += 8;
+        }
+    }
+
+    // TODO: Check for overflow when size is of type uint and is > than 512m
+    output->Write(pchBuffer, size * 8);
+    delete[] pchBuffer;
+}
+
+#endif // wxUSE_LONGLONG
+
+#ifdef wxLongLong_t
+
+template <class T>
+static
+void DoReadI64(T *buffer, size_t size, wxInputStream *input, bool be_order)
+{
+    typedef T DataType;
+    unsigned char *pchBuffer = (unsigned char*) buffer;
+    // TODO: Check for overflow when size is of type uint and is > than 512m
+    input->Read(pchBuffer, size * 8);
+    if ( be_order )
+    {
+        for ( wxUint32 i = 0; i < size; i++ )
+        {
+            DataType v = wxUINT64_SWAP_ON_LE(*buffer);
+            *(buffer++) = v;
+        }
+    }
+    else // little endian
+    {
+        for ( wxUint32 i=0; i<size; i++ )
+        {
+            DataType v = wxUINT64_SWAP_ON_BE(*buffer);
+            *(buffer++) = v;
+        }
+    }
+}
+
+template <class T>
+static
+void DoWriteI64(const T *buffer, size_t size, wxOutputStream *output, bool be_order)
+{
+  typedef T DataType;
+  if ( be_order )
   {
-    for (wxUint32 i=0; i<size; i++)
+    for ( size_t i = 0; i < size; i++ )
     {
-      wxUint64 v = wxUINT64_SWAP_ON_LE(*buffer);
-      *(buffer++) = v;
+      DataType i64 = wxUINT64_SWAP_ON_LE(*buffer);
+      buffer++;
+      output->Write(&i64, 8);
     }
   }
-  else
+  else // little endian
   {
-    for (wxUint32 i=0; i<size; i++)
+    for ( size_t i=0; i < size; i++ )
     {
-      wxUint64 v = wxUINT64_SWAP_ON_BE(*buffer);
-      *(buffer++) = v;
+      DataType i64 = wxUINT64_SWAP_ON_BE(*buffer);
+      buffer++;
+      output->Write(&i64, 8);
     }
   }
 }
 
+#endif // wxLongLong_t
+
+
+#if wxHAS_INT64
+void wxDataInputStream::Read64(wxUint64 *buffer, size_t size)
+{
+#ifndef wxLongLong_t
+    DoReadLL(buffer, size, m_input, m_be_order);
+#else
+    DoReadI64(buffer, size, m_input, m_be_order);
+#endif
+}
+
+void wxDataInputStream::Read64(wxInt64 *buffer, size_t size)
+{
+#ifndef wxLongLong_t
+    DoReadLL(buffer, size, m_input, m_be_order);
+#else
+    DoReadI64(buffer, size, m_input, m_be_order);
+#endif
+}
+#endif // wxHAS_INT64
+
+#if defined(wxLongLong_t) && wxUSE_LONGLONG
+void wxDataInputStream::Read64(wxULongLong *buffer, size_t size)
+{
+    DoReadLL(buffer, size, m_input, m_be_order);
+}
+
+void wxDataInputStream::Read64(wxLongLong *buffer, size_t size)
+{
+    DoReadLL(buffer, size, m_input, m_be_order);
+}
+#endif // wxLongLong_t
+
+#if wxUSE_LONGLONG
+void wxDataInputStream::ReadLL(wxULongLong *buffer, size_t size)
+{
+    DoReadLL(buffer, size, m_input, m_be_order);
+}
+
+void wxDataInputStream::ReadLL(wxLongLong *buffer, size_t size)
+{
+    DoReadLL(buffer, size, m_input, m_be_order);
+}
+
+wxLongLong wxDataInputStream::ReadLL(void)
+{
+    wxLongLong ll;
+    DoReadLL(&ll, 1, m_input, m_be_order);
+    return ll;
+}
+#endif // wxUSE_LONGLONG
+
 void wxDataInputStream::Read32(wxUint32 *buffer, size_t size)
 {
-  m_input->Read(buffer, size * 4);
+    m_input->Read(buffer, size * 4);
 
-  if (m_be_order)
-  {
-    for (wxUint32 i=0; i<size; i++)
+    if (m_be_order)
     {
-      wxUint32 v = wxUINT32_SWAP_ON_LE(*buffer);
-      *(buffer++) = v;
+        for (wxUint32 i=0; i<size; i++)
+        {
+            wxUint32 v = wxUINT32_SWAP_ON_LE(*buffer);
+            *(buffer++) = v;
+        }
     }
-  }
-else
-  {
-    for (wxUint32 i=0; i<size; i++)
+    else
     {
-      wxUint32 v = wxUINT32_SWAP_ON_BE(*buffer);
-      *(buffer++) = v;
+        for (wxUint32 i=0; i<size; i++)
+        {
+            wxUint32 v = wxUINT32_SWAP_ON_BE(*buffer);
+            *(buffer++) = v;
+        }
     }
-  }
 }
 
 void wxDataInputStream::Read16(wxUint16 *buffer, size_t size)
@@ -241,12 +400,34 @@ wxDataInputStream& wxDataInputStream::operator>>(wxUint32& i)
   return *this;
 }
 
+#if wxHAS_INT64
 wxDataInputStream& wxDataInputStream::operator>>(wxUint64& i)
 {
   i = Read64();
   return *this;
 }
 
+wxDataInputStream& wxDataInputStream::operator>>(wxInt64& i)
+{
+  i = Read64();
+  return *this;
+}
+#endif // wxHAS_INT64
+
+#if defined(wxLongLong_t) && wxUSE_LONGLONG
+wxDataInputStream& wxDataInputStream::operator>>(wxULongLong& i)
+{
+  i = ReadLL();
+  return *this;
+}
+
+wxDataInputStream& wxDataInputStream::operator>>(wxLongLong& i)
+{
+  i = ReadLL();
+  return *this;
+}
+#endif // wxLongLong_t
+
 wxDataInputStream& wxDataInputStream::operator>>(double& i)
 {
   i = ReadDouble();
@@ -273,16 +454,17 @@ wxDataOutputStream::wxDataOutputStream(wxOutputStream& s)
 {
 }
 
+#if wxHAS_INT64
 void wxDataOutputStream::Write64(wxUint64 i)
 {
-  wxUint64 i64;
+  Write64(&i, 1);
+}
 
-  if (m_be_order)
-    i64 = wxUINT64_SWAP_ON_LE(i);
-  else
-    i64 = wxUINT64_SWAP_ON_BE(i);
-  m_output->Write(&i64, 8);
+void wxDataOutputStream::Write64(wxInt64 i)
+{
+  Write64(&i, 1);
 }
+#endif // wxHAS_INT64
 
 void wxDataOutputStream::Write32(wxUint32 i)
 {
@@ -325,15 +507,12 @@ void wxDataOutputStream::WriteString(const wxString& string)
       m_output->Write(buf, len);
 }
 
-// Must be at global scope for VC++ 5
-extern "C" void ConvertToIeeeExtended(double num, unsigned char *bytes);
-
 void wxDataOutputStream::WriteDouble(double d)
 {
   char buf[10];
 
 #if wxUSE_APPLE_IEEE
-  ConvertToIeeeExtended(d, (unsigned char *)buf);
+  ConvertToIeeeExtended(d, (wxInt8 *)buf);
 #else
 #if !defined(__VMS__) && !defined(__GNUG__)
 # pragma warning "wxDataOutputStream::WriteDouble() not using IeeeExtended - will not work!"
@@ -343,28 +522,60 @@ void wxDataOutputStream::WriteDouble(double d)
   m_output->Write(buf, 10);
 }
 
+#if wxHAS_INT64
 void wxDataOutputStream::Write64(const wxUint64 *buffer, size_t size)
 {
-  if (m_be_order)
-  {
-    for (wxUint32 i=0; i<size ;i++)
-    {
-      wxUint64 i64 = wxUINT64_SWAP_ON_LE(*buffer);
-      buffer++;
-      m_output->Write(&i64, 8);
-    }
-  }
-  else
-  {
-    for (wxUint32 i=0; i<size ;i++)
-    {
-      wxUint64 i64 = wxUINT64_SWAP_ON_BE(*buffer);
-      buffer++;
-      m_output->Write(&i64, 8);
-    }
-  }
+#ifndef wxLongLong_t
+    DoWriteLL(buffer, size, m_output, m_be_order);
+#else
+    DoWriteI64(buffer, size, m_output, m_be_order);
+#endif
 }
 
+void wxDataOutputStream::Write64(const wxInt64 *buffer, size_t size)
+{
+#ifndef wxLongLong_t
+    DoWriteLL(buffer, size, m_output, m_be_order);
+#else
+    DoWriteI64(buffer, size, m_output, m_be_order);
+#endif
+}
+#endif // wxHAS_INT64
+
+#if defined(wxLongLong_t) && wxUSE_LONGLONG
+void wxDataOutputStream::Write64(const wxULongLong *buffer, size_t size)
+{
+    DoWriteLL(buffer, size, m_output, m_be_order);
+}
+
+void wxDataOutputStream::Write64(const wxLongLong *buffer, size_t size)
+{
+    DoWriteLL(buffer, size, m_output, m_be_order);
+}
+#endif // wxLongLong_t
+
+#if wxUSE_LONGLONG
+void wxDataOutputStream::WriteLL(const wxULongLong *buffer, size_t size)
+{
+    DoWriteLL(buffer, size, m_output, m_be_order);
+}
+
+void wxDataOutputStream::WriteLL(const wxLongLong *buffer, size_t size)
+{
+    DoWriteLL(buffer, size, m_output, m_be_order);
+}
+
+void wxDataOutputStream::WriteLL(const wxLongLong &ll)
+{
+    WriteLL(&ll, 1);
+}
+
+void wxDataOutputStream::WriteLL(const wxULongLong &ll)
+{
+    WriteLL(&ll, 1);
+}
+#endif // wxUSE_LONGLONG
+
 void wxDataOutputStream::Write32(const wxUint32 *buffer, size_t size)
 {
   if (m_be_order)
@@ -471,12 +682,34 @@ wxDataOutputStream& wxDataOutputStream::operator<<(wxUint32 i)
   return *this;
 }
 
+#if wxHAS_INT64
 wxDataOutputStream& wxDataOutputStream::operator<<(wxUint64 i)
 {
   Write64(i);
   return *this;
 }
 
+wxDataOutputStream& wxDataOutputStream::operator<<(wxInt64 i)
+{
+  Write64(i);
+  return *this;
+}
+#endif // wxHAS_INT64
+
+#if defined(wxLongLong_t) && wxUSE_LONGLONG
+wxDataOutputStream& wxDataOutputStream::operator<<(const wxULongLong &i)
+{
+  WriteLL(i);
+  return *this;
+}
+
+wxDataOutputStream& wxDataOutputStream::operator<<(const wxLongLong &i)
+{
+  WriteLL(i);
+  return *this;
+}
+#endif // wxLongLong_t
+
 wxDataOutputStream& wxDataOutputStream::operator<<(double f)
 {
   WriteDouble(f);