// Name: 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__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation "datstrm.h"
#endif
#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)
-{
- m_istream = &s;
- m_ostream = NULL;
-}
+// ---------------------------------------------------------------------------
+// wxDataInputStream
+// ---------------------------------------------------------------------------
-wxDataStream::wxDataStream(ostream& s)
+#if wxUSE_UNICODE
+wxDataInputStream::wxDataInputStream(wxInputStream& s, wxMBConv& conv)
+ : m_input(&s), m_be_order(FALSE), m_conv(conv)
+#else
+wxDataInputStream::wxDataInputStream(wxInputStream& s)
+ : m_input(&s), m_be_order(FALSE)
+#endif
{
- m_istream = NULL;
- m_ostream = &s;
}
-wxDataStream::wxDataStream(iostream& s)
+wxDataInputStream::~wxDataInputStream()
{
- m_istream = &s;
- m_ostream = &s;
}
-wxDataStream::~wxDataStream()
+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);
}
-unsigned long wxDataStream::Read32()
+wxUint32 wxDataInputStream::Read32()
{
- char buf[4];
-
- if (!m_istream)
- return 0;
+ wxUint32 i32;
- m_istream->read(buf, 4);
+ m_input->Read(&i32, 4);
- 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 wxUINT32_SWAP_ON_LE(i32);
+ else
+ return wxUINT32_SWAP_ON_BE(i32);
}
-unsigned short wxDataStream::Read16()
+wxUint16 wxDataInputStream::Read16()
{
- char buf[2];
+ wxUint16 i16;
- if (!m_istream)
- return 0;
+ m_input->Read(&i16, 2);
- m_istream->read(buf, 2);
-
- return (unsigned short)buf[0] |
- ((unsigned short)buf[1] << 8);
+ if (m_be_order)
+ return wxUINT16_SWAP_ON_LE(i16);
+ else
+ return wxUINT16_SWAP_ON_BE(i16);
}
-unsigned char wxDataStream::Read8()
+wxUint8 wxDataInputStream::Read8()
{
- char buf;
-
- if (!m_istream)
- return 0;
+ wxUint8 buf;
- m_istream->read(&buf, 1);
- return (unsigned char)buf;
+ m_input->Read(&buf, 1);
+ return (wxUint8)buf;
}
// Must be at global scope for VC++ 5
extern "C" double ConvertFromIeeeExtended(const unsigned char *bytes);
-double wxDataStream::ReadDouble()
+double wxDataInputStream::ReadDouble()
{
-#if USE_APPLE_IEEE
+#if wxUSE_APPLE_IEEE
char buf[10];
- if (!m_istream)
- return 0.0;
-
- m_istream->read(buf, 10);
+ m_input->Read(buf, 10);
return ConvertFromIeeeExtended((unsigned char *)buf);
#else
return 0.0;
#endif
}
-wxString wxDataStream::ReadLine()
+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;
+}
+
+void wxDataInputStream::Read64(wxUint64 *buffer, size_t size)
+{
+ m_input->Read(buffer, size * 8);
+
+ if (m_be_order)
+ {
+ for (wxUint32 i=0; i<size; i++)
+ {
+ wxUint64 v = wxUINT64_SWAP_ON_LE(*buffer);
+ *(buffer++) = v;
+ }
+ }
+ else
+ {
+ for (wxUint32 i=0; i<size; i++)
+ {
+ wxUint64 v = wxUINT64_SWAP_ON_BE(*buffer);
+ *(buffer++) = v;
+ }
+ }
+}
+
+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)
{
- char i_strg[255];
+ s = ReadString();
+ return *this;
+}
- if (!m_istream)
- return "";
+wxDataInputStream& wxDataInputStream::operator>>(wxInt8& c)
+{
+ c = (wxInt8)Read8();
+ return *this;
+}
- m_istream->getline(i_strg, 255);
- return i_strg;
+wxDataInputStream& wxDataInputStream::operator>>(wxInt16& i)
+{
+ i = (wxInt16)Read16();
+ return *this;
}
-void wxDataStream::Write32(unsigned long i)
+wxDataInputStream& wxDataInputStream::operator>>(wxInt32& i)
{
- char buf[4];
+ i = (wxInt32)Read32();
+ return *this;
+}
- if (!m_ostream)
- return;
+wxDataInputStream& wxDataInputStream::operator>>(wxUint8& c)
+{
+ c = Read8();
+ 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>>(wxUint16& i)
+{
+ i = Read16();
+ return *this;
}
-void wxDataStream::Write16(unsigned short i)
+wxDataInputStream& wxDataInputStream::operator>>(wxUint32& i)
{
- char buf[2];
+ i = Read32();
+ return *this;
+}
- if (!m_ostream)
- return;
+wxDataInputStream& wxDataInputStream::operator>>(wxUint64& i)
+{
+ i = Read64();
+ return *this;
+}
- buf[0] = i & 0xff;
- buf[1] = (i >> 8) & 0xff;
- m_ostream->write(buf, 2);
+wxDataInputStream& wxDataInputStream::operator>>(double& i)
+{
+ i = ReadDouble();
+ return *this;
}
-void wxDataStream::Write8(unsigned char i)
+wxDataInputStream& wxDataInputStream::operator>>(float& f)
{
- if (!m_ostream)
- return;
+ f = (float)ReadDouble();
+ return *this;
+}
+
+// ---------------------------------------------------------------------------
+// wxDataOutputStream
+// ---------------------------------------------------------------------------
- m_ostream->write(&i, 1);
+#if wxUSE_UNICODE
+wxDataOutputStream::wxDataOutputStream(wxOutputStream& s, wxMBConv& conv)
+ : m_output(&s), m_be_order(FALSE), m_conv(conv)
+#else
+wxDataOutputStream::wxDataOutputStream(wxOutputStream& s)
+ : m_output(&s), m_be_order(FALSE)
+#endif
+{
+}
+
+wxDataOutputStream::~wxDataOutputStream()
+{
}
-void wxDataStream::WriteLine(const wxString& line)
+void wxDataOutputStream::Write64(wxUint64 i)
{
- wxString tmp_string = line + '\n';
+ wxUint64 i64;
+
+ if (m_be_order)
+ i64 = wxUINT64_SWAP_ON_LE(i);
+ else
+ i64 = wxUINT64_SWAP_ON_BE(i);
+ m_output->Write(&i64, 8);
+}
+
+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);
- if (!m_ostream)
- return;
+ m_output->Write(&i16, 2);
+}
+
+void wxDataOutputStream::Write8(wxUint8 i)
+{
+ m_output->Write(&i, 1);
+}
- m_ostream->write((const char *) tmp_string, tmp_string.Length());
+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);
}
// Must be at global scope for VC++ 5
extern "C" void ConvertToIeeeExtended(double num, unsigned char *bytes);
-void wxDataStream::WriteDouble(double d)
+void wxDataOutputStream::WriteDouble(double d)
{
char buf[10];
- if (!m_ostream)
- return;
-
+#if wxUSE_APPLE_IEEE
ConvertToIeeeExtended(d, (unsigned char *)buf);
- m_ostream->write(buf, 10);
+#else
+#ifndef __VMS__
+# pragma warning "wxDataOutputStream::WriteDouble() not using IeeeExtended - will not work!"
+#endif
+ buf[0] = '\0';
+#endif
+ m_output->Write(buf, 10);
+}
+
+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);
+ }
+ }
+}
+
+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 wxChar *string)
+{
+ Write32(wxStrlen(string));
+ m_output->Write((const char *)string, wxStrlen(string)*sizeof(wxChar));
+ return *this;
+}
+
+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;
+}
+
+wxDataOutputStream& wxDataOutputStream::operator<<(wxUint64 i)
+{
+ Write64(i);
+ return *this;
+}
+
+wxDataOutputStream& wxDataOutputStream::operator<<(double f)
+{
+ WriteDouble(f);
+ return *this;
+}
+
+wxDataOutputStream& wxDataOutputStream::operator<<(float f)
+{
+ WriteDouble((double)f);
+ return *this;
+}
+
+#endif
+ // wxUSE_STREAMS
+
projects / wxWidgets.git / blobdiff