X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/5260b1c582632afeb8f25db7f10697c8d45461b4..7ca4ac63835adef8226b655013a8a84b416c8171:/src/common/datstrm.cpp

diff --git a/src/common/datstrm.cpp b/src/common/datstrm.cpp
index 980a280c13..b4a4816f45 100644
--- a/src/common/datstrm.cpp
+++ b/src/common/datstrm.cpp
@@ -1,175 +1,740 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        datstrm.cpp
+// Name:        src/common/datstrm.cpp
 // Purpose:     Data stream classes
 // Author:      Guilhem Lavaux
-// Modified by:
+// Modified by: Mickael Gilabert
 // Created:     28/06/98
 // RCS-ID:      $Id$
-// Copyright:   (c) Guilhem Lavaux 
-// Licence:   	wxWindows license
+// Copyright:   (c) Guilhem Lavaux
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
-#pragma implementation "datstrm.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
-#pragma hdrstop
+  #pragma hdrstop
 #endif
 
-#ifndef WX_PRECOMP
-#include "wx/defs.h"
-#endif
+#if wxUSE_STREAMS
 
 #include "wx/datstrm.h"
+#include "wx/math.h"
+
+// ---------------------------------------------------------------------------
+// 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)
+  : m_input(&s), m_be_order(false)
+#endif
+{
+}
+
+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;
+
+  m_input->Read(&i32, 4);
+
+  if (m_be_order)
+    return wxUINT32_SWAP_ON_LE(i32);
+  else
+    return wxUINT32_SWAP_ON_BE(i32);
+}
+
+wxUint16 wxDataInputStream::Read16()
+{
+  wxUint16 i16;
+
+  m_input->Read(&i16, 2);
+
+  if (m_be_order)
+    return wxUINT16_SWAP_ON_LE(i16);
+  else
+    return wxUINT16_SWAP_ON_BE(i16);
+}
+
+wxUint8 wxDataInputStream::Read8()
+{
+  wxUint8 buf;
+
+  m_input->Read(&buf, 1);
+  return (wxUint8)buf;
+}
+
+double wxDataInputStream::ReadDouble()
+{
+#if wxUSE_APPLE_IEEE
+  char buf[10];
+
+  m_input->Read(buf, 10);
+  return ConvertFromIeeeExtended((const wxInt8 *)buf);
+#else
+  return 0.0;
+#endif
+}
+
+wxString wxDataInputStream::ReadString()
+{
+  size_t len;
+
+  len = Read32();
+
+  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
 
-wxDataStream::wxDataStream(istream& s)
+template <class T>
+static
+void DoReadI64(T *buffer, size_t size, wxInputStream *input, bool be_order)
 {
-  m_istream = &s;
-  m_ostream = NULL;
+    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;
+        }
+    }
 }
 
-wxDataStream::wxDataStream(ostream& s)
+template <class T>
+static
+void DoWriteI64(const T *buffer, size_t size, wxOutputStream *output, bool be_order)
 {
-  m_istream = NULL;
-  m_ostream = &s;
+  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);
+    }
+  }
 }
 
-wxDataStream::wxDataStream(iostream& s)
+#endif // wxLongLong_t
+
+
+#if wxHAS_INT64
+void wxDataInputStream::Read64(wxUint64 *buffer, size_t size)
 {
-  m_istream = &s;
-  m_ostream = &s;
+#ifndef wxLongLong_t
+    DoReadLL(buffer, size, m_input, m_be_order);
+#else
+    DoReadI64(buffer, size, m_input, m_be_order);
+#endif
 }
 
-wxDataStream::~wxDataStream()
+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
 
-unsigned long wxDataStream::Read32()
+#if defined(wxLongLong_t) && wxUSE_LONGLONG
+void wxDataInputStream::Read64(wxULongLong *buffer, size_t size)
 {
-  char buf[4];
+    DoReadLL(buffer, size, m_input, m_be_order);
+}
 
-  if (!m_istream)
-    return 0;
+void wxDataInputStream::Read64(wxLongLong *buffer, size_t size)
+{
+    DoReadLL(buffer, size, m_input, m_be_order);
+}
+#endif // wxLongLong_t
 
-  m_istream->read(buf, 4);
+#if wxUSE_LONGLONG
+void wxDataInputStream::ReadLL(wxULongLong *buffer, size_t size)
+{
+    DoReadLL(buffer, size, m_input, m_be_order);
+}
 
-  return (unsigned long)buf[0] |
-         ((unsigned long)buf[1] << 8) |
-         ((unsigned long)buf[2] << 16) |
-         ((unsigned long)buf[3] << 24);
+void wxDataInputStream::ReadLL(wxLongLong *buffer, size_t size)
+{
+    DoReadLL(buffer, size, m_input, m_be_order);
 }
 
-unsigned short wxDataStream::Read16()
+wxLongLong wxDataInputStream::ReadLL(void)
 {
-  char buf[2];
+    wxLongLong ll;
+    DoReadLL(&ll, (size_t)1, m_input, m_be_order);
+    return ll;
+}
+#endif // wxUSE_LONGLONG
 
-  if (!m_istream)
-    return 0;
+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;
+        }
+    }
+}
 
-  m_istream->read(buf, 2);
+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;
+    }
+  }
+}
 
-  return (unsigned short)buf[0] |
-         ((unsigned short)buf[1] << 8);
+void wxDataInputStream::Read8(wxUint8 *buffer, size_t size)
+{
+  m_input->Read(buffer, size);
 }
 
-unsigned char wxDataStream::Read8()
+void wxDataInputStream::ReadDouble(double *buffer, size_t size)
 {
-  char buf;
+  for (wxUint32 i=0; i<size; i++)
+  {
+    *(buffer++) = ReadDouble();
+  }
+}
 
-  if (!m_istream)
-    return 0;
+wxDataInputStream& wxDataInputStream::operator>>(wxString& s)
+{
+  s = ReadString();
+  return *this;
+}
 
-  m_istream->read(&buf, 1);
-  return (unsigned char)buf;
+wxDataInputStream& wxDataInputStream::operator>>(wxInt8& c)
+{
+  c = (wxInt8)Read8();
+  return *this;
+}
+
+wxDataInputStream& wxDataInputStream::operator>>(wxInt16& i)
+{
+  i = (wxInt16)Read16();
+  return *this;
+}
+
+wxDataInputStream& wxDataInputStream::operator>>(wxInt32& i)
+{
+  i = (wxInt32)Read32();
+  return *this;
+}
+
+wxDataInputStream& wxDataInputStream::operator>>(wxUint8& c)
+{
+  c = Read8();
+  return *this;
+}
+
+wxDataInputStream& wxDataInputStream::operator>>(wxUint16& i)
+{
+  i = Read16();
+  return *this;
+}
+
+wxDataInputStream& wxDataInputStream::operator>>(wxUint32& i)
+{
+  i = Read32();
+  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
 
-// Must be at global scope for VC++ 5
-extern "C" double ConvertFromIeeeExtended(const unsigned char *bytes);
+#if defined(wxLongLong_t) && wxUSE_LONGLONG
+wxDataInputStream& wxDataInputStream::operator>>(wxULongLong& i)
+{
+  i = ReadLL();
+  return *this;
+}
 
-double wxDataStream::ReadDouble()
+wxDataInputStream& wxDataInputStream::operator>>(wxLongLong& i)
+{
+  i = ReadLL();
+  return *this;
+}
+#endif // wxLongLong_t
+
+wxDataInputStream& wxDataInputStream::operator>>(double& i)
+{
+  i = ReadDouble();
+  return *this;
+}
+
+wxDataInputStream& wxDataInputStream::operator>>(float& f)
+{
+  f = (float)ReadDouble();
+  return *this;
+}
+
+// ---------------------------------------------------------------------------
+// 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)
+  : m_output(&s), m_be_order(false)
+#endif
+{
+}
+
+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;
+
+  if (m_be_order)
+    i32 = wxUINT32_SWAP_ON_LE(i);
+  else
+    i32 = wxUINT32_SWAP_ON_BE(i);
+  m_output->Write(&i32, 4);
+}
+
+void wxDataOutputStream::Write16(wxUint16 i)
+{
+  wxUint16 i16;
+
+  if (m_be_order)
+    i16 = wxUINT16_SWAP_ON_LE(i);
+  else
+    i16 = wxUINT16_SWAP_ON_BE(i);
+
+  m_output->Write(&i16, 2);
+}
+
+void wxDataOutputStream::Write8(wxUint8 i)
+{
+  m_output->Write(&i, 1);
+}
+
+void wxDataOutputStream::WriteString(const wxString& string)
+{
+#if wxUSE_UNICODE
+  const wxWX2MBbuf buf = string.mb_str(*m_conv);
+#else
+  const wxWX2MBbuf buf = string.mb_str();
+#endif
+  size_t len = strlen(buf);
+  Write32(len);
+  if (len > 0)
+      m_output->Write(buf, len);
+}
+
+void wxDataOutputStream::WriteDouble(double d)
 {
-#if USE_APPLE_IEEE
   char buf[10];
 
-  if (!m_istream)
-    return 0.0;
+#if wxUSE_APPLE_IEEE
+  ConvertToIeeeExtended(d, (wxInt8 *)buf);
+#else
+#if !defined(__VMS__) && !defined(__GNUG__)
+# pragma warning "wxDataOutputStream::WriteDouble() not using IeeeExtended - will not work!"
+#endif
+   buf[0] = '\0';
+#endif
+  m_output->Write(buf, 10);
+}
 
-  m_istream->read(buf, 10);
-  return ConvertFromIeeeExtended((unsigned char *)buf);
+#if wxHAS_INT64
+void wxDataOutputStream::Write64(const wxUint64 *buffer, size_t size)
+{
+#ifndef wxLongLong_t
+    DoWriteLL(buffer, size, m_output, m_be_order);
 #else
-  return 0.0;
+    DoWriteI64(buffer, size, m_output, m_be_order);
 #endif
 }
 
-wxString wxDataStream::ReadLine()
+void wxDataOutputStream::Write64(const wxInt64 *buffer, size_t size)
 {
-  char i_strg[255];
+#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);
+}
 
-  if (!m_istream)
-    return "";
+void wxDataOutputStream::Write64(const wxLongLong *buffer, size_t size)
+{
+    DoWriteLL(buffer, size, m_output, m_be_order);
+}
+#endif // wxLongLong_t
 
-  m_istream->getline(i_strg, 255);
-  return i_strg;
+#if wxUSE_LONGLONG
+void wxDataOutputStream::WriteLL(const wxULongLong *buffer, size_t size)
+{
+    DoWriteLL(buffer, size, m_output, m_be_order);
 }
 
-void wxDataStream::Write32(unsigned long i)
+void wxDataOutputStream::WriteLL(const wxLongLong *buffer, size_t size)
 {
-  char buf[4];
+    DoWriteLL(buffer, size, m_output, m_be_order);
+}
 
-  if (!m_ostream)
-    return;
+void wxDataOutputStream::WriteLL(const wxLongLong &ll)
+{
+    WriteLL(&ll, 1);
+}
 
-  buf[0] = i & 0xff;
-  buf[1] = (i >> 8) & 0xff;
-  buf[2] = (i >> 16) & 0xff;
-  buf[3] = (i >> 24) & 0xff;
-  m_ostream->write(buf, 4);
+void wxDataOutputStream::WriteLL(const wxULongLong &ll)
+{
+    WriteLL(&ll, 1);
 }
+#endif // wxUSE_LONGLONG
 
-void wxDataStream::Write16(unsigned short i)
+void wxDataOutputStream::Write32(const wxUint32 *buffer, size_t size)
 {
-  char buf[2];
+  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);
+    }
+  }
+}
 
-  if (!m_ostream)
-    return;
+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);
+    }
+  }
+}
 
-  buf[0] = i & 0xff;
-  buf[1] = (i >> 8) & 0xff;
-  m_ostream->write(buf, 2);
+void wxDataOutputStream::Write8(const wxUint8 *buffer, size_t size)
+{
+  m_output->Write(buffer, size);
 }
 
-void wxDataStream::Write8(unsigned char i)
+void wxDataOutputStream::WriteDouble(const double *buffer, size_t size)
 {
-  if (!m_ostream)
-    return;
+  for (wxUint32 i=0; i<size; i++)
+  {
+    WriteDouble(*(buffer++));
+  }
+}
 
-  m_ostream->write(&i, 1);
+wxDataOutputStream& wxDataOutputStream::operator<<(const wxChar *string)
+{
+  Write32(wxStrlen(string));
+  m_output->Write((const char *)string, wxStrlen(string)*sizeof(wxChar));
+  return *this;
 }
 
-void wxDataStream::WriteLine(const wxString& line)
+wxDataOutputStream& wxDataOutputStream::operator<<(const wxString& string)
 {
-  wxString tmp_string = line + '\n';
+  WriteString(string);
+  return *this;
+}
 
-  if (!m_ostream)
-    return;
+wxDataOutputStream& wxDataOutputStream::operator<<(wxInt8 c)
+{
+  Write8((wxUint8)c);
+  return *this;
+}
 
-  m_ostream->write((const char *) tmp_string, tmp_string.Length());
+wxDataOutputStream& wxDataOutputStream::operator<<(wxInt16 i)
+{
+  Write16((wxUint16)i);
+  return *this;
 }
 
-// Must be at global scope for VC++ 5
-extern "C" void ConvertToIeeeExtended(double num, unsigned char *bytes);
+wxDataOutputStream& wxDataOutputStream::operator<<(wxInt32 i)
+{
+  Write32((wxUint32)i);
+  return *this;
+}
 
-void wxDataStream::WriteDouble(double d)
+wxDataOutputStream& wxDataOutputStream::operator<<(wxUint8 c)
 {
-  char buf[10];
+  Write8(c);
+  return *this;
+}
+
+wxDataOutputStream& wxDataOutputStream::operator<<(wxUint16 i)
+{
+  Write16(i);
+  return *this;
+}
+
+wxDataOutputStream& wxDataOutputStream::operator<<(wxUint32 i)
+{
+  Write32(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
 
-  if (!m_ostream)
-    return;
+wxDataOutputStream& wxDataOutputStream::operator<<(double f)
+{
+  WriteDouble(f);
+  return *this;
+}
 
-  ConvertToIeeeExtended(d, (unsigned char *)buf);
-  m_ostream->write(buf, 10);
+wxDataOutputStream& wxDataOutputStream::operator<<(float f)
+{
+  WriteDouble((double)f);
+  return *this;
 }
+
+#endif
+  // wxUSE_STREAMS