Return the old file descriptor/pointer from wx(F)File::Detach().

[wxWidgets.git] / include / wx / datstrm.h

diff --git a/include/wx/datstrm.h b/include/wx/datstrm.h
index 169c86b6274744852ebe8c6a18ad059a1d07d741..477da30ec65d740714abfe65d2376b4e257d7bfa 100644 (file)
--- a/include/wx/datstrm.h
+++ b/include/wx/datstrm.h
@@ -1,46 +1,204 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        datstrm.h
+// Name:        wx/datstrm.h

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

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

 // Created:     28/06/1998
 // Created:     28/06/1998

-// RCS-ID:      $Id$

 // Copyright:   (c) Guilhem Lavaux
 // Copyright:   (c) Guilhem Lavaux

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

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

-#ifndef __DATSTREAMH__
-#define __DATSTREAMH__
+#ifndef _WX_DATSTREAM_H_
+#define _WX_DATSTREAM_H_

 
 

-#ifdef __GNUG__
-#pragma interface "datstrm.h"
+#include "wx/stream.h"
+#include "wx/longlong.h"
+#include "wx/convauto.h"
+
+#if wxUSE_STREAMS
+
+// Common wxDataInputStream and wxDataOutputStream parameters.
+class WXDLLIMPEXP_BASE wxDataStreamBase
+{
+public:
+    void BigEndianOrdered(bool be_order) { m_be_order = be_order; }
+
+    // By default we use extended precision (80 bit) format for both float and
+    // doubles. Call this function to switch to alternative representation in
+    // which IEEE 754 single precision (32 bits) is used for floats and double
+    // precision (64 bits) is used for doubles.
+    void UseBasicPrecisions()
+    {
+#if wxUSE_APPLE_IEEE
+        m_useExtendedPrecision = false;
+#endif // wxUSE_APPLE_IEEE
+    }
+
+    // UseExtendedPrecision() is not very useful as it corresponds to the
+    // default value, only call it in your code if you want the compilation
+    // fail with the error when using wxWidgets library compiled without
+    // extended precision support.
+#if wxUSE_APPLE_IEEE
+    void UseExtendedPrecision()
+    {
+        m_useExtendedPrecision = true;
+    }
+#endif // wxUSE_APPLE_IEEE
+
+#if wxUSE_UNICODE
+    void SetConv( const wxMBConv &conv );
+    wxMBConv *GetConv() const { return m_conv; }
+#endif
+
+protected:
+    // Ctor and dtor are both protected, this class is never used directly but
+    // only by its derived classes.
+    wxDataStreamBase(const wxMBConv& conv);
+    ~wxDataStreamBase();
+
+
+    bool m_be_order;
+
+#if wxUSE_APPLE_IEEE
+    bool m_useExtendedPrecision;
+#endif // wxUSE_APPLE_IEEE
+
+#if wxUSE_UNICODE
+    wxMBConv *m_conv;

 #endif
 
 #endif
 

-#include "wx/wx.h"
+    wxDECLARE_NO_COPY_CLASS(wxDataStreamBase);
+};
+

 
 

-class wxDataStream {
+class WXDLLIMPEXP_BASE wxDataInputStream : public wxDataStreamBase
+{

 public:
 public:

-  wxDataStream(iostream& s);
-  wxDataStream(istream& s);
-  wxDataStream(ostream& s);
-
-  virtual ~wxDataStream();
-
-  unsigned long Read32();
-  unsigned short Read16();
-  unsigned char Read8();
-  double ReadDouble();
-  wxString ReadLine();
-
-  void Write32(unsigned long i);
-  void Write16(unsigned short i);
-  void Write8(unsigned char i);
-  void WriteDouble(double d);
-  void WriteLine(const wxString& line);
+    wxDataInputStream(wxInputStream& s, const wxMBConv& conv = wxConvUTF8);
+
+    bool IsOk() { return m_input->IsOk(); }
+
+#if wxHAS_INT64
+    wxUint64 Read64();
+#endif
+#if wxUSE_LONGLONG
+    wxLongLong ReadLL();
+#endif
+    wxUint32 Read32();
+    wxUint16 Read16();
+    wxUint8 Read8();
+    double ReadDouble();
+    float ReadFloat();
+    wxString ReadString();
+
+#if wxHAS_INT64
+    void Read64(wxUint64 *buffer, size_t size);
+    void Read64(wxInt64 *buffer, size_t size);
+#endif
+#if defined(wxLongLong_t) && wxUSE_LONGLONG
+    void Read64(wxULongLong *buffer, size_t size);
+    void Read64(wxLongLong *buffer, size_t size);
+#endif
+#if wxUSE_LONGLONG
+    void ReadLL(wxULongLong *buffer, size_t size);
+    void ReadLL(wxLongLong *buffer, size_t size);
+#endif
+    void Read32(wxUint32 *buffer, size_t size);
+    void Read16(wxUint16 *buffer, size_t size);
+    void Read8(wxUint8 *buffer, size_t size);
+    void ReadDouble(double *buffer, size_t size);
+    void ReadFloat(float *buffer, size_t size);
+
+    wxDataInputStream& operator>>(wxString& s);
+    wxDataInputStream& operator>>(wxInt8& c);
+    wxDataInputStream& operator>>(wxInt16& i);
+    wxDataInputStream& operator>>(wxInt32& i);
+    wxDataInputStream& operator>>(wxUint8& c);
+    wxDataInputStream& operator>>(wxUint16& i);
+    wxDataInputStream& operator>>(wxUint32& i);
+#if wxHAS_INT64
+    wxDataInputStream& operator>>(wxUint64& i);
+    wxDataInputStream& operator>>(wxInt64& i);
+#endif
+#if defined(wxLongLong_t) && wxUSE_LONGLONG
+    wxDataInputStream& operator>>(wxULongLong& i);
+    wxDataInputStream& operator>>(wxLongLong& i);
+#endif
+    wxDataInputStream& operator>>(double& d);
+    wxDataInputStream& operator>>(float& f);
+

 protected:
 protected:

-  istream *m_istream;
-  ostream *m_ostream;
+    wxInputStream *m_input;
+
+    wxDECLARE_NO_COPY_CLASS(wxDataInputStream);

 };
 
 };
 

+class WXDLLIMPEXP_BASE wxDataOutputStream : public wxDataStreamBase
+{
+public:
+    wxDataOutputStream(wxOutputStream& s, const wxMBConv& conv = wxConvUTF8);
+
+    bool IsOk() { return m_output->IsOk(); }
+
+#if wxHAS_INT64
+    void Write64(wxUint64 i);
+    void Write64(wxInt64 i);
+#endif
+#if wxUSE_LONGLONG
+    void WriteLL(const wxLongLong &ll);
+    void WriteLL(const wxULongLong &ll);
+#endif
+    void Write32(wxUint32 i);
+    void Write16(wxUint16 i);
+    void Write8(wxUint8 i);
+    void WriteDouble(double d);
+    void WriteFloat(float f);
+    void WriteString(const wxString& string);
+
+#if wxHAS_INT64
+    void Write64(const wxUint64 *buffer, size_t size);
+    void Write64(const wxInt64 *buffer, size_t size);
+#endif
+#if defined(wxLongLong_t) && wxUSE_LONGLONG
+    void Write64(const wxULongLong *buffer, size_t size);
+    void Write64(const wxLongLong *buffer, size_t size);
+#endif
+#if wxUSE_LONGLONG
+    void WriteLL(const wxULongLong *buffer, size_t size);
+    void WriteLL(const wxLongLong *buffer, size_t size);
+#endif
+    void Write32(const wxUint32 *buffer, size_t size);
+    void Write16(const wxUint16 *buffer, size_t size);
+    void Write8(const wxUint8 *buffer, size_t size);
+    void WriteDouble(const double *buffer, size_t size);
+    void WriteFloat(const float *buffer, size_t size);
+
+    wxDataOutputStream& operator<<(const wxString& string);
+    wxDataOutputStream& operator<<(wxInt8 c);
+    wxDataOutputStream& operator<<(wxInt16 i);
+    wxDataOutputStream& operator<<(wxInt32 i);
+    wxDataOutputStream& operator<<(wxUint8 c);
+    wxDataOutputStream& operator<<(wxUint16 i);
+    wxDataOutputStream& operator<<(wxUint32 i);
+#if wxHAS_INT64
+    wxDataOutputStream& operator<<(wxUint64 i);
+    wxDataOutputStream& operator<<(wxInt64 i);
+#endif
+#if defined(wxLongLong_t) && wxUSE_LONGLONG
+    wxDataOutputStream& operator<<(const wxULongLong &i);
+    wxDataOutputStream& operator<<(const wxLongLong &i);
+#endif
+    wxDataOutputStream& operator<<(double d);
+    wxDataOutputStream& operator<<(float f);
+
+protected:
+    wxOutputStream *m_output;
+
+    wxDECLARE_NO_COPY_CLASS(wxDataOutputStream);
+};
+
+#endif
+  // wxUSE_STREAMS
+

 #endif
 #endif

-    // __HELPBASEH__
+    // _WX_DATSTREAM_H_