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[wxWidgets.git] / src / common / datstrm.cpp

diff --git a/src/common/datstrm.cpp b/src/common/datstrm.cpp
index 433c90472a6c593dc8a10e8290d6d0efa52ed888..99e9051c037bbba324a3eb4a12dbfde4a775f844 100644 (file)
--- a/src/common/datstrm.cpp
+++ b/src/common/datstrm.cpp
@@ -1,18 +1,14 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        datstrm.cpp
+// Name:        src/common/datstrm.cpp

 // Purpose:     Data stream classes
 // Author:      Guilhem Lavaux
 // Purpose:     Data stream classes
 // Author:      Guilhem Lavaux

-// Modified by:
+// Modified by: Mickael Gilabert

 // Created:     28/06/98
 // RCS-ID:      $Id$
 // Copyright:   (c) Guilhem Lavaux
 // Created:     28/06/98
 // RCS-ID:      $Id$
 // Copyright:   (c) Guilhem Lavaux

-// Licence:    wxWindows license
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 /////////////////////////////////////////////////////////////////////////////
 

-#ifdef __GNUG__
-#pragma implementation "datstrm.h"
-#endif
-

 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 


@@ -24,19 +20,40 @@
 
 #include "wx/datstrm.h"
 
 
 #include "wx/datstrm.h"
 

+#ifndef WX_PRECOMP
+    #include "wx/math.h"
+#endif //WX_PRECOMP
+

 // ---------------------------------------------------------------------------
 // wxDataInputStream
 // ---------------------------------------------------------------------------
 
 // ---------------------------------------------------------------------------
 // wxDataInputStream
 // ---------------------------------------------------------------------------
 

+#if wxUSE_UNICODE
+wxDataInputStream::wxDataInputStream(wxInputStream& s, const wxMBConv& conv)
+  : m_input(&s), m_be_order(false), m_conv(conv.Clone())
+#else

 wxDataInputStream::wxDataInputStream(wxInputStream& s)
 wxDataInputStream::wxDataInputStream(wxInputStream& s)

-  : m_input(&s), m_be_order(FALSE)
+  : m_input(&s), m_be_order(false)
+#endif

 {
 }
 
 wxDataInputStream::~wxDataInputStream()
 {
 {
 }
 
 wxDataInputStream::~wxDataInputStream()
 {

+#if wxUSE_UNICODE
+    delete m_conv;
+#endif // wxUSE_UNICODE

 }
 
 }
 

+#if wxHAS_INT64
+wxUint64 wxDataInputStream::Read64()
+{
+  wxUint64 tmp;
+  Read64(&tmp, 1);
+  return tmp;
+}
+#endif // wxHAS_INT64
+

 wxUint32 wxDataInputStream::Read32()
 {
   wxUint32 i32;
 wxUint32 wxDataInputStream::Read32()
 {
   wxUint32 i32;


@@ -69,16 +86,13 @@ wxUint8 wxDataInputStream::Read8()
   return (wxUint8)buf;
 }
 
   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);
 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
 #else
   return 0.0;
 #endif


@@ -86,15 +100,272 @@ double wxDataInputStream::ReadDouble()
 
 wxString wxDataInputStream::ReadString()
 {
 
 wxString wxDataInputStream::ReadString()
 {

-  wxString s;

   size_t len;
 
   len = Read32();
 
   size_t len;
 
   len = Read32();
 

-  m_input->Read(s.GetWriteBuf(len), len);
-  s.UngetWriteBuf();
+  if (len > 0)
+  {
+#if wxUSE_UNICODE
+    wxCharBuffer tmp(len + 1);
+    m_input->Read(tmp.data(), len);
+    tmp.data()[len] = '\0';
+    wxString ret(m_conv->cMB2WX(tmp.data()));
+#else
+    wxString ret;
+    m_input->Read( wxStringBuffer(ret, len), len);
+#endif
+    return ret;
+  }
+  else
+    return wxEmptyString;
+}
+
+#if wxUSE_LONGLONG
+
+template <class T>
+static
+void DoReadLL(T *buffer, size_t size, wxInputStream *input, bool be_order)
+{
+    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;
+}
+
+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 ( size_t i = 0; i < size; i++ )
+    {
+      DataType i64 = wxUINT64_SWAP_ON_LE(*buffer);
+      buffer++;
+      output->Write(&i64, 8);
+    }
+  }
+  else // little endian
+  {
+    for ( size_t i=0; i < size; i++ )
+    {
+      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, (size_t)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);
+
+    if (m_be_order)
+    {
+        for (wxUint32 i=0; i<size; i++)
+        {
+            wxUint32 v = wxUINT32_SWAP_ON_LE(*buffer);
+            *(buffer++) = v;
+        }
+    }
+    else
+    {
+        for (wxUint32 i=0; i<size; i++)
+        {
+            wxUint32 v = wxUINT32_SWAP_ON_BE(*buffer);
+            *(buffer++) = v;
+        }
+    }
+}

 
 

-  return s;
+void wxDataInputStream::Read16(wxUint16 *buffer, size_t size)
+{
+  m_input->Read(buffer, size * 2);
+
+  if (m_be_order)
+  {
+    for (wxUint32 i=0; i<size; i++)
+    {
+      wxUint16 v = wxUINT16_SWAP_ON_LE(*buffer);
+      *(buffer++) = v;
+    }
+  }
+  else
+  {
+    for (wxUint32 i=0; i<size; i++)
+    {
+      wxUint16 v = wxUINT16_SWAP_ON_BE(*buffer);
+      *(buffer++) = v;
+    }
+  }
+}
+
+void wxDataInputStream::Read8(wxUint8 *buffer, size_t size)
+{
+  m_input->Read(buffer, size);
+}
+
+void wxDataInputStream::ReadDouble(double *buffer, size_t size)
+{
+  for (wxUint32 i=0; i<size; i++)
+  {
+    *(buffer++) = ReadDouble();
+  }

 }
 
 wxDataInputStream& wxDataInputStream::operator>>(wxString& s)
 }
 
 wxDataInputStream& wxDataInputStream::operator>>(wxString& s)


@@ -139,6 +410,34 @@ wxDataInputStream& wxDataInputStream::operator>>(wxUint32& i)
   return *this;
 }
 
   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();
 wxDataInputStream& wxDataInputStream::operator>>(double& i)
 {
   i = ReadDouble();


@@ -155,15 +454,35 @@ wxDataInputStream& wxDataInputStream::operator>>(float& f)
 // wxDataOutputStream
 // ---------------------------------------------------------------------------
 
 // wxDataOutputStream
 // ---------------------------------------------------------------------------
 

+#if wxUSE_UNICODE
+wxDataOutputStream::wxDataOutputStream(wxOutputStream& s, const wxMBConv& conv)
+  : m_output(&s), m_be_order(false), m_conv(conv.Clone())
+#else

 wxDataOutputStream::wxDataOutputStream(wxOutputStream& s)
 wxDataOutputStream::wxDataOutputStream(wxOutputStream& s)

-  : m_output(&s), m_be_order(FALSE)
+  : m_output(&s), m_be_order(false)
+#endif

 {
 }
 
 wxDataOutputStream::~wxDataOutputStream()
 {
 {
 }
 
 wxDataOutputStream::~wxDataOutputStream()
 {

+#if wxUSE_UNICODE
+    delete m_conv;
+#endif // wxUSE_UNICODE

 }
 
 }
 

+#if wxHAS_INT64
+void wxDataOutputStream::Write64(wxUint64 i)
+{
+  Write64(&i, 1);
+}
+
+void wxDataOutputStream::Write64(wxInt64 i)
+{
+  Write64(&i, 1);
+}
+#endif // wxHAS_INT64
+

 void wxDataOutputStream::Write32(wxUint32 i)
 {
   wxUint32 i32;
 void wxDataOutputStream::Write32(wxUint32 i)
 {
   wxUint32 i32;


@@ -194,22 +513,25 @@ void wxDataOutputStream::Write8(wxUint8 i)
 
 void wxDataOutputStream::WriteString(const wxString& string)
 {
 
 void wxDataOutputStream::WriteString(const wxString& string)
 {

+#if wxUSE_UNICODE
+  const wxWX2MBbuf buf = string.mb_str(*m_conv);
+#else

   const wxWX2MBbuf buf = string.mb_str();
   const wxWX2MBbuf buf = string.mb_str();

-  Write32(string.Length());
-  m_output->Write(buf, string.Len());
+#endif
+  size_t len = strlen(buf);
+  Write32(len);
+  if (len > 0)
+      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
 void wxDataOutputStream::WriteDouble(double d)
 {
   char buf[10];
 
 #if wxUSE_APPLE_IEEE

-  ConvertToIeeeExtended(d, (unsigned char *)buf);
+  ConvertToIeeeExtended(d, (wxInt8 *)buf);

 #else
 #else

-#ifndef __VMS__
+#if !defined(__VMS__) && !defined(__GNUG__)

 # pragma warning "wxDataOutputStream::WriteDouble() not using IeeeExtended - will not work!"
 #endif
    buf[0] = '\0';
 # pragma warning "wxDataOutputStream::WriteDouble() not using IeeeExtended - will not work!"
 #endif
    buf[0] = '\0';


@@ -217,14 +539,118 @@ void wxDataOutputStream::WriteDouble(double d)
   m_output->Write(buf, 10);
 }
 
   m_output->Write(buf, 10);
 }
 

-wxDataOutputStream& wxDataOutputStream::operator<<(const wxChar *string)
+#if wxHAS_INT64
+void wxDataOutputStream::Write64(const wxUint64 *buffer, size_t size)

 {
 {

-  Write32(wxStrlen(string));
-  m_output->Write((const char *)string, wxStrlen(string)*sizeof(wxChar));
-  return *this;
+#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

 
 

-wxDataOutputStream& wxDataOutputStream::operator<<(wxString& string)
+void wxDataOutputStream::Write32(const wxUint32 *buffer, size_t size)
+{
+  if (m_be_order)
+  {
+    for (wxUint32 i=0; i<size ;i++)
+    {
+      wxUint32 i32 = wxUINT32_SWAP_ON_LE(*buffer);
+      buffer++;
+      m_output->Write(&i32, 4);
+    }
+  }
+  else
+  {
+    for (wxUint32 i=0; i<size ;i++)
+    {
+      wxUint32 i32 = wxUINT32_SWAP_ON_BE(*buffer);
+      buffer++;
+      m_output->Write(&i32, 4);
+    }
+  }
+}
+
+void wxDataOutputStream::Write16(const wxUint16 *buffer, size_t size)
+{
+  if (m_be_order)
+  {
+    for (wxUint32 i=0; i<size ;i++)
+    {
+      wxUint16 i16 = wxUINT16_SWAP_ON_LE(*buffer);
+      buffer++;
+      m_output->Write(&i16, 2);
+    }
+  }
+  else
+  {
+    for (wxUint32 i=0; i<size ;i++)
+    {
+      wxUint16 i16 = wxUINT16_SWAP_ON_BE(*buffer);
+      buffer++;
+      m_output->Write(&i16, 2);
+    }
+  }
+}
+
+void wxDataOutputStream::Write8(const wxUint8 *buffer, size_t size)
+{
+  m_output->Write(buffer, size);
+}
+
+void wxDataOutputStream::WriteDouble(const double *buffer, size_t size)
+{
+  for (wxUint32 i=0; i<size; i++)
+  {
+    WriteDouble(*(buffer++));
+  }
+}
+
+wxDataOutputStream& wxDataOutputStream::operator<<(const wxString& string)

 {
   WriteString(string);
   return *this;
 {
   WriteString(string);
   return *this;


@@ -266,6 +692,34 @@ wxDataOutputStream& wxDataOutputStream::operator<<(wxUint32 i)
   return *this;
 }
 
   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);
 wxDataOutputStream& wxDataOutputStream::operator<<(double f)
 {
   WriteDouble(f);


@@ -280,4 +734,3 @@ wxDataOutputStream& wxDataOutputStream::operator<<(float f)
 
 #endif
   // wxUSE_STREAMS
 
 #endif
   // wxUSE_STREAMS

-