/////////////////////////////////////////////////////////////////////////////
-// 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"
-wxDataStream::wxDataStream(istream& s)
+#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
{
- m_istream = &s;
- m_ostream = NULL;
}
-wxDataStream::wxDataStream(ostream& s)
+wxDataInputStream::~wxDataInputStream()
{
- m_istream = NULL;
- m_ostream = &s;
+#if wxUSE_UNICODE
+ delete m_conv;
+#endif // wxUSE_UNICODE
}
-wxDataStream::wxDataStream(iostream& s)
+#if wxHAS_INT64
+wxUint64 wxDataInputStream::Read64()
{
- m_istream = &s;
- m_ostream = &s;
+ wxUint64 tmp;
+ Read64(&tmp, 1);
+ return tmp;
}
+#endif // wxHAS_INT64
-wxDataStream::~wxDataStream()
+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);
}
-unsigned long wxDataStream::Read32()
+wxUint16 wxDataInputStream::Read16()
{
- char buf[4];
-
- if (!m_istream)
- return 0;
+ wxUint16 i16;
- m_istream->read(buf, 4);
+ m_input->Read(&i16, 2);
- return (unsigned long)buf[0] |
- ((unsigned long)buf[1] << 8) |
- ((unsigned long)buf[2] << 16) |
- ((unsigned long)buf[3] << 24);
+ if (m_be_order)
+ return wxUINT16_SWAP_ON_LE(i16);
+ else
+ return wxUINT16_SWAP_ON_BE(i16);
}
-unsigned short wxDataStream::Read16()
+wxUint8 wxDataInputStream::Read8()
{
- char buf[2];
+ wxUint8 buf;
- if (!m_istream)
- return 0;
+ m_input->Read(&buf, 1);
+ return (wxUint8)buf;
+}
- m_istream->read(buf, 2);
+double wxDataInputStream::ReadDouble()
+{
+#if wxUSE_APPLE_IEEE
+ char buf[10];
- return (unsigned short)buf[0] |
- ((unsigned short)buf[1] << 8);
+ m_input->Read(buf, 10);
+ return wxConvertFromIeeeExtended((const wxInt8 *)buf);
+#else
+ return 0.0;
+#endif
}
-unsigned char wxDataStream::Read8()
+wxString wxDataInputStream::ReadString()
{
- char buf;
+ wxString ret;
+
+ const size_t len = Read32();
+ if ( len > 0 )
+ {
+#if wxUSE_UNICODE
+ wxCharBuffer tmp(len + 1);
+ if ( tmp )
+ {
+ m_input->Read(tmp.data(), len);
+ tmp.data()[len] = '\0';
+ ret = m_conv->cMB2WX(tmp.data());
+ }
+#else
+ wxStringBuffer buf(ret, len);
+ if ( buf )
+ m_input->Read(buf, len);
+#endif
+ }
+
+ return ret;
+}
+
+#if wxUSE_LONGLONG
- if (!m_istream)
- return 0;
+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;
+}
- m_istream->read(&buf, 1);
- return (unsigned char)buf;
+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;
}
-// Must be at global scope for VC++ 5
-extern "C" double ConvertFromIeeeExtended(const unsigned char *bytes);
+#endif // wxUSE_LONGLONG
-double wxDataStream::ReadDouble()
+#ifdef wxLongLong_t
+
+template <class T>
+static
+void DoReadI64(T *buffer, size_t size, wxInputStream *input, bool be_order)
{
-#if USE_APPLE_IEEE
- char buf[10];
+ 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;
+ }
+ }
+}
- if (!m_istream)
- return 0.0;
+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
- m_istream->read(buf, 10);
- return ConvertFromIeeeExtended((unsigned char *)buf);
+
+#if wxHAS_INT64
+void wxDataInputStream::Read64(wxUint64 *buffer, size_t size)
+{
+#ifndef wxLongLong_t
+ DoReadLL(buffer, size, m_input, m_be_order);
#else
- return 0.0;
+ DoReadI64(buffer, size, m_input, m_be_order);
#endif
}
-wxString wxDataStream::ReadLine()
+void wxDataInputStream::Read64(wxInt64 *buffer, size_t size)
{
- char i_strg[255];
+#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 (!m_istream)
- return "";
+#if defined(wxLongLong_t) && wxUSE_LONGLONG
+void wxDataInputStream::Read64(wxULongLong *buffer, size_t size)
+{
+ DoReadLL(buffer, size, m_input, m_be_order);
+}
- m_istream->getline(i_strg, 255);
- return i_strg;
+void wxDataInputStream::Read64(wxLongLong *buffer, size_t size)
+{
+ DoReadLL(buffer, size, m_input, m_be_order);
}
+#endif // wxLongLong_t
-wxString wxDataStream::ReadString()
+#if wxUSE_LONGLONG
+void wxDataInputStream::ReadLL(wxULongLong *buffer, size_t size)
{
- wxString wx_string;
- char *string;
- unsigned long len;
+ DoReadLL(buffer, size, m_input, m_be_order);
+}
- if (!m_istream)
- return "";
+void wxDataInputStream::ReadLL(wxLongLong *buffer, size_t size)
+{
+ DoReadLL(buffer, size, m_input, m_be_order);
+}
- len = Read32();
- string = new char[len+1];
+wxLongLong wxDataInputStream::ReadLL(void)
+{
+ wxLongLong ll;
+ DoReadLL(&ll, (size_t)1, m_input, m_be_order);
+ return ll;
+}
+#endif // wxUSE_LONGLONG
- m_istream->read(string, len);
+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;
+ }
+ }
+}
- string[len] = 0;
- wx_string = string;
- delete string;
+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 wx_string;
+void wxDataInputStream::Read8(wxUint8 *buffer, size_t size)
+{
+ m_input->Read(buffer, size);
}
-void wxDataStream::Write32(unsigned long i)
+void wxDataInputStream::ReadDouble(double *buffer, size_t size)
{
- char buf[4];
+ for (wxUint32 i=0; i<size; i++)
+ {
+ *(buffer++) = ReadDouble();
+ }
+}
- if (!m_ostream)
- return;
+wxDataInputStream& wxDataInputStream::operator>>(wxString& s)
+{
+ s = ReadString();
+ return *this;
+}
- buf[0] = i & 0xff;
- buf[1] = (i >> 8) & 0xff;
- buf[2] = (i >> 16) & 0xff;
- buf[3] = (i >> 24) & 0xff;
- m_ostream->write(buf, 4);
+wxDataInputStream& wxDataInputStream::operator>>(wxInt8& c)
+{
+ c = (wxInt8)Read8();
+ return *this;
}
-void wxDataStream::Write16(unsigned short i)
+wxDataInputStream& wxDataInputStream::operator>>(wxInt16& i)
{
- char buf[2];
+ i = (wxInt16)Read16();
+ return *this;
+}
- if (!m_ostream)
- return;
+wxDataInputStream& wxDataInputStream::operator>>(wxInt32& i)
+{
+ i = (wxInt32)Read32();
+ return *this;
+}
- buf[0] = i & 0xff;
- buf[1] = (i >> 8) & 0xff;
- m_ostream->write(buf, 2);
+wxDataInputStream& wxDataInputStream::operator>>(wxUint8& c)
+{
+ c = Read8();
+ return *this;
+}
+
+wxDataInputStream& wxDataInputStream::operator>>(wxUint16& i)
+{
+ i = Read16();
+ return *this;
}
-void wxDataStream::Write8(unsigned char i)
+wxDataInputStream& wxDataInputStream::operator>>(wxUint32& i)
{
- if (!m_ostream)
- return;
+ i = Read32();
+ return *this;
+}
- m_ostream->write(&i, 1);
+#if wxHAS_INT64
+wxDataInputStream& wxDataInputStream::operator>>(wxUint64& i)
+{
+ i = Read64();
+ return *this;
}
-void wxDataStream::WriteLine(const wxString& line)
+wxDataInputStream& wxDataInputStream::operator>>(wxInt64& i)
{
-#ifdef __WINDOWS__
- wxString tmp_string = line + "\r\n";
+ 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
- wxString tmp_string = line + '\n';
+wxDataOutputStream::wxDataOutputStream(wxOutputStream& s)
+ : m_output(&s), m_be_order(false)
#endif
+{
+}
+
+wxDataOutputStream::~wxDataOutputStream()
+{
+#if wxUSE_UNICODE
+ delete m_conv;
+#endif // wxUSE_UNICODE
+}
- if (!m_ostream)
- return;
+#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;
- m_ostream->write((const char *) tmp_string, tmp_string.Length());
+ if (m_be_order)
+ i32 = wxUINT32_SWAP_ON_LE(i);
+ else
+ i32 = wxUINT32_SWAP_ON_BE(i);
+ m_output->Write(&i32, 4);
}
-void wxDataStream::WriteString(const wxString& string)
+void wxDataOutputStream::Write16(wxUint16 i)
{
- if (!m_ostream)
- return;
+ wxUint16 i16;
- Write32(string.Length());
- m_ostream->write((const char *) string, string.Length());
+ 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);
}
-// Must be at global scope for VC++ 5
-extern "C" void ConvertToIeeeExtended(double num, unsigned char *bytes);
+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 wxDataStream::WriteDouble(double d)
+void wxDataOutputStream::WriteDouble(double d)
{
char buf[10];
- if (!m_ostream)
- return;
+#if wxUSE_APPLE_IEEE
+ wxConvertToIeeeExtended(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);
+}
+
+#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);
+}
- ConvertToIeeeExtended(d, (unsigned char *)buf);
- m_ostream->write(buf, 10);
+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
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