src/common/datstrm.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        src/common/datstrm.cpp
// Purpose:     Data stream classes
// Author:      Guilhem Lavaux
// Modified by: Mickael Gilabert
// Created:     28/06/98
// RCS-ID:      $Id$
// Copyright:   (c) Guilhem Lavaux
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

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

#ifdef __BORLANDC__
  #pragma hdrstop
#endif

#if wxUSE_STREAMS

#include "wx/datstrm.h"

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

// ---------------------------------------------------------------------------
// 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 wxUSE_UNICODE
void wxDataInputStream::SetConv( const wxMBConv &conv )
{
    delete m_conv;
    m_conv = conv.Clone();
}
#endif

#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 wxConvertFromIeeeExtended((const wxInt8 *)buf);
#else
  return 0.0;
#endif
}

wxString wxDataInputStream::ReadString()
{
    wxString ret;

    const size_t len = Read32();
    if ( len > 0 )
    {
#if wxUSE_UNICODE
        wxCharBuffer tmp(len);
        if ( tmp )
        {
            m_input->Read(tmp.data(), len);
            ret = m_conv->cMB2WX(tmp.data());
        }
#else
        wxStringBuffer buf(ret, len);
        if ( buf )
            m_input->Read(buf, len);
#endif
    }

    return ret;
}

#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;
        }
    }
}

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)
{
  s = ReadString();
  return *this;
}

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

#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();
  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 wxUSE_UNICODE
void wxDataOutputStream::SetConv( const wxMBConv &conv )
{
    delete m_conv;
    m_conv = conv.Clone();
}
#endif

#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)
{
  char buf[10];

#if wxUSE_APPLE_IEEE
  wxConvertToIeeeExtended(d, (wxInt8 *)buf);
#else
  wxUnusedVar(d);
#if !defined(__VMS__) && !defined(__GNUG__)
#ifdef _MSC_VER
# pragma message("wxDataOutputStream::WriteDouble() not using IeeeExtended - will not work!")
#else
# pragma warning "wxDataOutputStream::WriteDouble() not using IeeeExtended - will not work!"
#endif
#endif
   buf[0] = '\0';
#endif
  m_output->Write(buf, 10);
}

#if wxHAS_INT64
void wxDataOutputStream::Write64(const wxUint64 *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
}

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)
  {
    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;
}

wxDataOutputStream& wxDataOutputStream::operator<<(wxInt8 c)
{
  Write8((wxUint8)c);
  return *this;
}

wxDataOutputStream& wxDataOutputStream::operator<<(wxInt16 i)
{
  Write16((wxUint16)i);
  return *this;
}

wxDataOutputStream& wxDataOutputStream::operator<<(wxInt32 i)
{
  Write32((wxUint32)i);
  return *this;
}

wxDataOutputStream& wxDataOutputStream::operator<<(wxUint8 c)
{
  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

wxDataOutputStream& wxDataOutputStream::operator<<(double f)
{
  WriteDouble(f);
  return *this;
}

wxDataOutputStream& wxDataOutputStream::operator<<(float f)
{
  WriteDouble((double)f);
  return *this;
}

#endif
  // wxUSE_STREAMS
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: src/common/datstrm.cpp
	3	// Purpose: Data stream classes
	4	// Author: Guilhem Lavaux
	5	// Modified by: Mickael Gilabert
	6	// Created: 28/06/98
	7	// RCS-ID: $Id$
	8	// Copyright: (c) Guilhem Lavaux
	9	// Licence: wxWindows licence
	10	/////////////////////////////////////////////////////////////////////////////
	11
	12	// For compilers that support precompilation, includes "wx.h".
	13	#include "wx/wxprec.h"
	14
	15	#ifdef __BORLANDC__
	16	#pragma hdrstop
	17	#endif
	18
	19	#if wxUSE_STREAMS
	20
	21	#include "wx/datstrm.h"
	22
	23	#ifndef WX_PRECOMP
	24	#include "wx/math.h"
	25	#endif //WX_PRECOMP
	26
	27	// ---------------------------------------------------------------------------
	28	// wxDataInputStream
	29	// ---------------------------------------------------------------------------
	30
	31	#if wxUSE_UNICODE
	32	wxDataInputStream::wxDataInputStream(wxInputStream& s, const wxMBConv& conv)
	33	: m_input(&s), m_be_order(false), m_conv(conv.Clone())
	34	#else
	35	wxDataInputStream::wxDataInputStream(wxInputStream& s)
	36	: m_input(&s), m_be_order(false)
	37	#endif
	38	{
	39	}
	40
	41	wxDataInputStream::~wxDataInputStream()
	42	{
	43	#if wxUSE_UNICODE
	44	delete m_conv;
	45	#endif // wxUSE_UNICODE
	46	}
	47
	48	#if wxUSE_UNICODE
	49	void wxDataInputStream::SetConv( const wxMBConv &conv )
	50	{
	51	delete m_conv;
	52	m_conv = conv.Clone();
	53	}
	54	#endif
	55
	56	#if wxHAS_INT64
	57	wxUint64 wxDataInputStream::Read64()
	58	{
	59	wxUint64 tmp;
	60	Read64(&tmp, 1);
	61	return tmp;
	62	}
	63	#endif // wxHAS_INT64
	64
	65	wxUint32 wxDataInputStream::Read32()
	66	{
	67	wxUint32 i32;
	68
	69	m_input->Read(&i32, 4);
	70
	71	if (m_be_order)
	72	return wxUINT32_SWAP_ON_LE(i32);
	73	else
	74	return wxUINT32_SWAP_ON_BE(i32);
	75	}
	76
	77	wxUint16 wxDataInputStream::Read16()
	78	{
	79	wxUint16 i16;
	80
	81	m_input->Read(&i16, 2);
	82
	83	if (m_be_order)
	84	return wxUINT16_SWAP_ON_LE(i16);
	85	else
	86	return wxUINT16_SWAP_ON_BE(i16);
	87	}
	88
	89	wxUint8 wxDataInputStream::Read8()
	90	{
	91	wxUint8 buf;
	92
	93	m_input->Read(&buf, 1);
	94	return (wxUint8)buf;
	95	}
	96
	97	double wxDataInputStream::ReadDouble()
	98	{
	99	#if wxUSE_APPLE_IEEE
	100	char buf[10];
	101
	102	m_input->Read(buf, 10);
	103	return wxConvertFromIeeeExtended((const wxInt8 *)buf);
	104	#else
	105	return 0.0;
	106	#endif
	107	}
	108
	109	wxString wxDataInputStream::ReadString()
	110	{
	111	wxString ret;
	112
	113	const size_t len = Read32();
	114	if ( len > 0 )
	115	{
	116	#if wxUSE_UNICODE
	117	wxCharBuffer tmp(len);
	118	if ( tmp )
	119	{
	120	m_input->Read(tmp.data(), len);
	121	ret = m_conv->cMB2WX(tmp.data());
	122	}
	123	#else
	124	wxStringBuffer buf(ret, len);
	125	if ( buf )
	126	m_input->Read(buf, len);
	127	#endif
	128	}
	129
	130	return ret;
	131	}
	132
	133	#if wxUSE_LONGLONG
	134
	135	template <class T>
	136	static
	137	void DoReadLL(T buffer, size_t size, wxInputStream input, bool be_order)
	138	{
	139	typedef T DataType;
	140	unsigned char pchBuffer = new unsigned char[size 8];
	141	// TODO: Check for overflow when size is of type uint and is > than 512m
	142	input->Read(pchBuffer, size * 8);
	143	size_t idx_base = 0;
	144	if ( be_order )
	145	{
	146	for ( size_t uiIndex = 0; uiIndex != size; ++uiIndex )
	147	{
	148	buffer[uiIndex] = 0l;
	149	for ( unsigned ui = 0; ui != 8; ++ui )
	150	{
	151	buffer[uiIndex] = buffer[uiIndex] * 256l +
	152	DataType((unsigned long) pchBuffer[idx_base + ui]);
	153	}
	154
	155	idx_base += 8;
	156	}
	157	}
	158	else // little endian
	159	{
	160	for ( size_t uiIndex=0; uiIndex!=size; ++uiIndex )
	161	{
	162	buffer[uiIndex] = 0l;
	163	for ( unsigned ui=0; ui!=8; ++ui )
	164	buffer[uiIndex] = buffer[uiIndex] * 256l +
	165	DataType((unsigned long) pchBuffer[idx_base + 7 - ui]);
	166	idx_base += 8;
	167	}
	168	}
	169	delete[] pchBuffer;
	170	}
	171
	172	template <class T>
	173	static void DoWriteLL(const T buffer, size_t size, wxOutputStream output, bool be_order)
	174	{
	175	typedef T DataType;
	176	unsigned char pchBuffer = new unsigned char[size 8];
	177	size_t idx_base = 0;
	178	if ( be_order )
	179	{
	180	for ( size_t uiIndex = 0; uiIndex != size; ++uiIndex )
	181	{
	182	DataType i64 = buffer[uiIndex];
	183	for ( unsigned ui = 0; ui != 8; ++ui )
	184	{
	185	pchBuffer[idx_base + 7 - ui] =
	186	(unsigned char) (i64.GetLo() & 255l);
	187	i64 >>= 8l;
	188	}
	189
	190	idx_base += 8;
	191	}
	192	}
	193	else // little endian
	194	{
	195	for ( size_t uiIndex=0; uiIndex != size; ++uiIndex )
	196	{
	197	DataType i64 = buffer[uiIndex];
	198	for (unsigned ui=0; ui!=8; ++ui)
	199	{
	200	pchBuffer[idx_base + ui] =
	201	(unsigned char) (i64.GetLo() & 255l);
	202	i64 >>= 8l;
	203	}
	204
	205	idx_base += 8;
	206	}
	207	}
	208
	209	// TODO: Check for overflow when size is of type uint and is > than 512m
	210	output->Write(pchBuffer, size * 8);
	211	delete[] pchBuffer;
	212	}
	213
	214	#endif // wxUSE_LONGLONG
	215
	216	#ifdef wxLongLong_t
	217
	218	template <class T>
	219	static
	220	void DoReadI64(T buffer, size_t size, wxInputStream input, bool be_order)
	221	{
	222	typedef T DataType;
	223	unsigned char pchBuffer = (unsigned char) buffer;
	224	// TODO: Check for overflow when size is of type uint and is > than 512m
	225	input->Read(pchBuffer, size * 8);
	226	if ( be_order )
	227	{
	228	for ( wxUint32 i = 0; i < size; i++ )
	229	{
	230	DataType v = wxUINT64_SWAP_ON_LE(*buffer);
	231	*(buffer++) = v;
	232	}
	233	}
	234	else // little endian
	235	{
	236	for ( wxUint32 i=0; i<size; i++ )
	237	{
	238	DataType v = wxUINT64_SWAP_ON_BE(*buffer);
	239	*(buffer++) = v;
	240	}
	241	}
	242	}
	243
	244	template <class T>
	245	static
	246	void DoWriteI64(const T buffer, size_t size, wxOutputStream output, bool be_order)
	247	{
	248	typedef T DataType;
	249	if ( be_order )
	250	{
	251	for ( size_t i = 0; i < size; i++ )
	252	{
	253	DataType i64 = wxUINT64_SWAP_ON_LE(*buffer);
	254	buffer++;
	255	output->Write(&i64, 8);
	256	}
	257	}
	258	else // little endian
	259	{
	260	for ( size_t i=0; i < size; i++ )
	261	{
	262	DataType i64 = wxUINT64_SWAP_ON_BE(*buffer);
	263	buffer++;
	264	output->Write(&i64, 8);
	265	}
	266	}
	267	}
	268
	269	#endif // wxLongLong_t
	270
	271
	272	#if wxHAS_INT64
	273	void wxDataInputStream::Read64(wxUint64 *buffer, size_t size)
	274	{
	275	#ifndef wxLongLong_t
	276	DoReadLL(buffer, size, m_input, m_be_order);
	277	#else
	278	DoReadI64(buffer, size, m_input, m_be_order);
	279	#endif
	280	}
	281
	282	void wxDataInputStream::Read64(wxInt64 *buffer, size_t size)
	283	{
	284	#ifndef wxLongLong_t
	285	DoReadLL(buffer, size, m_input, m_be_order);
	286	#else
	287	DoReadI64(buffer, size, m_input, m_be_order);
	288	#endif
	289	}
	290	#endif // wxHAS_INT64
	291
	292	#if defined(wxLongLong_t) && wxUSE_LONGLONG
	293	void wxDataInputStream::Read64(wxULongLong *buffer, size_t size)
	294	{
	295	DoReadLL(buffer, size, m_input, m_be_order);
	296	}
	297
	298	void wxDataInputStream::Read64(wxLongLong *buffer, size_t size)
	299	{
	300	DoReadLL(buffer, size, m_input, m_be_order);
	301	}
	302	#endif // wxLongLong_t
	303
	304	#if wxUSE_LONGLONG
	305	void wxDataInputStream::ReadLL(wxULongLong *buffer, size_t size)
	306	{
	307	DoReadLL(buffer, size, m_input, m_be_order);
	308	}
	309
	310	void wxDataInputStream::ReadLL(wxLongLong *buffer, size_t size)
	311	{
	312	DoReadLL(buffer, size, m_input, m_be_order);
	313	}
	314
	315	wxLongLong wxDataInputStream::ReadLL(void)
	316	{
	317	wxLongLong ll;
	318	DoReadLL(&ll, (size_t)1, m_input, m_be_order);
	319	return ll;
	320	}
	321	#endif // wxUSE_LONGLONG
	322
	323	void wxDataInputStream::Read32(wxUint32 *buffer, size_t size)
	324	{
	325	m_input->Read(buffer, size * 4);
	326
	327	if (m_be_order)
	328	{
	329	for (wxUint32 i=0; i<size; i++)
	330	{
	331	wxUint32 v = wxUINT32_SWAP_ON_LE(*buffer);
	332	*(buffer++) = v;
	333	}
	334	}
	335	else
	336	{
	337	for (wxUint32 i=0; i<size; i++)
	338	{
	339	wxUint32 v = wxUINT32_SWAP_ON_BE(*buffer);
	340	*(buffer++) = v;
	341	}
	342	}
	343	}
	344
	345	void wxDataInputStream::Read16(wxUint16 *buffer, size_t size)
	346	{
	347	m_input->Read(buffer, size * 2);
	348
	349	if (m_be_order)
	350	{
	351	for (wxUint32 i=0; i<size; i++)
	352	{
	353	wxUint16 v = wxUINT16_SWAP_ON_LE(*buffer);
	354	*(buffer++) = v;
	355	}
	356	}
	357	else
	358	{
	359	for (wxUint32 i=0; i<size; i++)
	360	{
	361	wxUint16 v = wxUINT16_SWAP_ON_BE(*buffer);
	362	*(buffer++) = v;
	363	}
	364	}
	365	}
	366
	367	void wxDataInputStream::Read8(wxUint8 *buffer, size_t size)
	368	{
	369	m_input->Read(buffer, size);
	370	}
	371
	372	void wxDataInputStream::ReadDouble(double *buffer, size_t size)
	373	{
	374	for (wxUint32 i=0; i<size; i++)
	375	{
	376	*(buffer++) = ReadDouble();
	377	}
	378	}
	379
	380	wxDataInputStream& wxDataInputStream::operator>>(wxString& s)
	381	{
	382	s = ReadString();
	383	return *this;
	384	}
	385
	386	wxDataInputStream& wxDataInputStream::operator>>(wxInt8& c)
	387	{
	388	c = (wxInt8)Read8();
	389	return *this;
	390	}
	391
	392	wxDataInputStream& wxDataInputStream::operator>>(wxInt16& i)
	393	{
	394	i = (wxInt16)Read16();
	395	return *this;
	396	}
	397
	398	wxDataInputStream& wxDataInputStream::operator>>(wxInt32& i)
	399	{
	400	i = (wxInt32)Read32();
	401	return *this;
	402	}
	403
	404	wxDataInputStream& wxDataInputStream::operator>>(wxUint8& c)
	405	{
	406	c = Read8();
	407	return *this;
	408	}
	409
	410	wxDataInputStream& wxDataInputStream::operator>>(wxUint16& i)
	411	{
	412	i = Read16();
	413	return *this;
	414	}
	415
	416	wxDataInputStream& wxDataInputStream::operator>>(wxUint32& i)
	417	{
	418	i = Read32();
	419	return *this;
	420	}
	421
	422	#if wxHAS_INT64
	423	wxDataInputStream& wxDataInputStream::operator>>(wxUint64& i)
	424	{
	425	i = Read64();
	426	return *this;
	427	}
	428
	429	wxDataInputStream& wxDataInputStream::operator>>(wxInt64& i)
	430	{
	431	i = Read64();
	432	return *this;
	433	}
	434	#endif // wxHAS_INT64
	435
	436	#if defined(wxLongLong_t) && wxUSE_LONGLONG
	437	wxDataInputStream& wxDataInputStream::operator>>(wxULongLong& i)
	438	{
	439	i = ReadLL();
	440	return *this;
	441	}
	442
	443	wxDataInputStream& wxDataInputStream::operator>>(wxLongLong& i)
	444	{
	445	i = ReadLL();
	446	return *this;
	447	}
	448	#endif // wxLongLong_t
	449
	450	wxDataInputStream& wxDataInputStream::operator>>(double& i)
	451	{
	452	i = ReadDouble();
	453	return *this;
	454	}
	455
	456	wxDataInputStream& wxDataInputStream::operator>>(float& f)
	457	{
	458	f = (float)ReadDouble();
	459	return *this;
	460	}
	461
	462	// ---------------------------------------------------------------------------
	463	// wxDataOutputStream
	464	// ---------------------------------------------------------------------------
	465
	466	#if wxUSE_UNICODE
	467	wxDataOutputStream::wxDataOutputStream(wxOutputStream& s, const wxMBConv& conv)
	468	: m_output(&s), m_be_order(false), m_conv(conv.Clone())
	469	#else
	470	wxDataOutputStream::wxDataOutputStream(wxOutputStream& s)
	471	: m_output(&s), m_be_order(false)
	472	#endif
	473	{
	474	}
	475
	476	wxDataOutputStream::~wxDataOutputStream()
	477	{
	478	#if wxUSE_UNICODE
	479	delete m_conv;
	480	#endif // wxUSE_UNICODE
	481	}
	482
	483	#if wxUSE_UNICODE
	484	void wxDataOutputStream::SetConv( const wxMBConv &conv )
	485	{
	486	delete m_conv;
	487	m_conv = conv.Clone();
	488	}
	489	#endif
	490
	491	#if wxHAS_INT64
	492	void wxDataOutputStream::Write64(wxUint64 i)
	493	{
	494	Write64(&i, 1);
	495	}
	496
	497	void wxDataOutputStream::Write64(wxInt64 i)
	498	{
	499	Write64(&i, 1);
	500	}
	501	#endif // wxHAS_INT64
	502
	503	void wxDataOutputStream::Write32(wxUint32 i)
	504	{
	505	wxUint32 i32;
	506
	507	if (m_be_order)
	508	i32 = wxUINT32_SWAP_ON_LE(i);
	509	else
	510	i32 = wxUINT32_SWAP_ON_BE(i);
	511	m_output->Write(&i32, 4);
	512	}
	513
	514	void wxDataOutputStream::Write16(wxUint16 i)
	515	{
	516	wxUint16 i16;
	517
	518	if (m_be_order)
	519	i16 = wxUINT16_SWAP_ON_LE(i);
	520	else
	521	i16 = wxUINT16_SWAP_ON_BE(i);
	522
	523	m_output->Write(&i16, 2);
	524	}
	525
	526	void wxDataOutputStream::Write8(wxUint8 i)
	527	{
	528	m_output->Write(&i, 1);
	529	}
	530
	531	void wxDataOutputStream::WriteString(const wxString& string)
	532	{
	533	#if wxUSE_UNICODE
	534	const wxWX2MBbuf buf = string.mb_str(*m_conv);
	535	#else
	536	const wxWX2MBbuf buf = string.mb_str();
	537	#endif
	538	size_t len = strlen(buf);
	539	Write32(len);
	540	if (len > 0)
	541	m_output->Write(buf, len);
	542	}
	543
	544	void wxDataOutputStream::WriteDouble(double d)
	545	{
	546	char buf[10];
	547
	548	#if wxUSE_APPLE_IEEE
	549	wxConvertToIeeeExtended(d, (wxInt8 *)buf);
	550	#else
	551	wxUnusedVar(d);
	552	#if !defined(__VMS__) && !defined(__GNUG__)
	553	#ifdef _MSC_VER
	554	# pragma message("wxDataOutputStream::WriteDouble() not using IeeeExtended - will not work!")
	555	#else
	556	# pragma warning "wxDataOutputStream::WriteDouble() not using IeeeExtended - will not work!"
	557	#endif
	558	#endif
	559	buf[0] = '\0';
	560	#endif
	561	m_output->Write(buf, 10);
	562	}
	563
	564	#if wxHAS_INT64
	565	void wxDataOutputStream::Write64(const wxUint64 *buffer, size_t size)
	566	{
	567	#ifndef wxLongLong_t
	568	DoWriteLL(buffer, size, m_output, m_be_order);
	569	#else
	570	DoWriteI64(buffer, size, m_output, m_be_order);
	571	#endif
	572	}
	573
	574	void wxDataOutputStream::Write64(const wxInt64 *buffer, size_t size)
	575	{
	576	#ifndef wxLongLong_t
	577	DoWriteLL(buffer, size, m_output, m_be_order);
	578	#else
	579	DoWriteI64(buffer, size, m_output, m_be_order);
	580	#endif
	581	}
	582	#endif // wxHAS_INT64
	583
	584	#if defined(wxLongLong_t) && wxUSE_LONGLONG
	585	void wxDataOutputStream::Write64(const wxULongLong *buffer, size_t size)
	586	{
	587	DoWriteLL(buffer, size, m_output, m_be_order);
	588	}
	589
	590	void wxDataOutputStream::Write64(const wxLongLong *buffer, size_t size)
	591	{
	592	DoWriteLL(buffer, size, m_output, m_be_order);
	593	}
	594	#endif // wxLongLong_t
	595
	596	#if wxUSE_LONGLONG
	597	void wxDataOutputStream::WriteLL(const wxULongLong *buffer, size_t size)
	598	{
	599	DoWriteLL(buffer, size, m_output, m_be_order);
	600	}
	601
	602	void wxDataOutputStream::WriteLL(const wxLongLong *buffer, size_t size)
	603	{
	604	DoWriteLL(buffer, size, m_output, m_be_order);
	605	}
	606
	607	void wxDataOutputStream::WriteLL(const wxLongLong &ll)
	608	{
	609	WriteLL(&ll, 1);
	610	}
	611
	612	void wxDataOutputStream::WriteLL(const wxULongLong &ll)
	613	{
	614	WriteLL(&ll, 1);
	615	}
	616	#endif // wxUSE_LONGLONG
	617
	618	void wxDataOutputStream::Write32(const wxUint32 *buffer, size_t size)
	619	{
	620	if (m_be_order)
	621	{
	622	for (wxUint32 i=0; i<size ;i++)
	623	{
	624	wxUint32 i32 = wxUINT32_SWAP_ON_LE(*buffer);
	625	buffer++;
	626	m_output->Write(&i32, 4);
	627	}
	628	}
	629	else
	630	{
	631	for (wxUint32 i=0; i<size ;i++)
	632	{
	633	wxUint32 i32 = wxUINT32_SWAP_ON_BE(*buffer);
	634	buffer++;
	635	m_output->Write(&i32, 4);
	636	}
	637	}
	638	}
	639
	640	void wxDataOutputStream::Write16(const wxUint16 *buffer, size_t size)
	641	{
	642	if (m_be_order)
	643	{
	644	for (wxUint32 i=0; i<size ;i++)
	645	{
	646	wxUint16 i16 = wxUINT16_SWAP_ON_LE(*buffer);
	647	buffer++;
	648	m_output->Write(&i16, 2);
	649	}
	650	}
	651	else
	652	{
	653	for (wxUint32 i=0; i<size ;i++)
	654	{
	655	wxUint16 i16 = wxUINT16_SWAP_ON_BE(*buffer);
	656	buffer++;
	657	m_output->Write(&i16, 2);
	658	}
	659	}
	660	}
	661
	662	void wxDataOutputStream::Write8(const wxUint8 *buffer, size_t size)
	663	{
	664	m_output->Write(buffer, size);
	665	}
	666
	667	void wxDataOutputStream::WriteDouble(const double *buffer, size_t size)
	668	{
	669	for (wxUint32 i=0; i<size; i++)
	670	{
	671	WriteDouble(*(buffer++));
	672	}
	673	}
	674
	675	wxDataOutputStream& wxDataOutputStream::operator<<(const wxString& string)
	676	{
	677	WriteString(string);
	678	return *this;
	679	}
	680
	681	wxDataOutputStream& wxDataOutputStream::operator<<(wxInt8 c)
	682	{
	683	Write8((wxUint8)c);
	684	return *this;
	685	}
	686
	687	wxDataOutputStream& wxDataOutputStream::operator<<(wxInt16 i)
	688	{
	689	Write16((wxUint16)i);
	690	return *this;
	691	}
	692
	693	wxDataOutputStream& wxDataOutputStream::operator<<(wxInt32 i)
	694	{
	695	Write32((wxUint32)i);
	696	return *this;
	697	}
	698
	699	wxDataOutputStream& wxDataOutputStream::operator<<(wxUint8 c)
	700	{
	701	Write8(c);
	702	return *this;
	703	}
	704
	705	wxDataOutputStream& wxDataOutputStream::operator<<(wxUint16 i)
	706	{
	707	Write16(i);
	708	return *this;
	709	}
	710
	711	wxDataOutputStream& wxDataOutputStream::operator<<(wxUint32 i)
	712	{
	713	Write32(i);
	714	return *this;
	715	}
	716
	717	#if wxHAS_INT64
	718	wxDataOutputStream& wxDataOutputStream::operator<<(wxUint64 i)
	719	{
	720	Write64(i);
	721	return *this;
	722	}
	723
	724	wxDataOutputStream& wxDataOutputStream::operator<<(wxInt64 i)
	725	{
	726	Write64(i);
	727	return *this;
	728	}
	729	#endif // wxHAS_INT64
	730
	731	#if defined(wxLongLong_t) && wxUSE_LONGLONG
	732	wxDataOutputStream& wxDataOutputStream::operator<<(const wxULongLong &i)
	733	{
	734	WriteLL(i);
	735	return *this;
	736	}
	737
	738	wxDataOutputStream& wxDataOutputStream::operator<<(const wxLongLong &i)
	739	{
	740	WriteLL(i);
	741	return *this;
	742	}
	743	#endif // wxLongLong_t
	744
	745	wxDataOutputStream& wxDataOutputStream::operator<<(double f)
	746	{
	747	WriteDouble(f);
	748	return *this;
	749	}
	750
	751	wxDataOutputStream& wxDataOutputStream::operator<<(float f)
	752	{
	753	WriteDouble((double)f);
	754	return *this;
	755	}
	756
	757	#endif
	758	// wxUSE_STREAMS