wxWidgets/include/wx/stream.h
Robert Roebling 219f895a27 stream compile fixes
bitmap, icon, imaglist work (broken)
notebook client resize fixed (ugly)


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@237 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
1998-07-12 20:06:59 +00:00

113 lines
3.0 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: stream.h
// Purpose: "wxWindows stream" base classes
// Author: Guilhem Lavaux
// Modified by:
// Created: 11/07/98
// RCS-ID: $Id$
// Copyright: (c) Guilhem Lavaux
// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
#ifndef __WXSTREAM_H__
#define __WXSTREAM_H__
#ifdef __GNUG__
#pragma interface
#endif
#include <stdio.h>
#include <wx/object.h>
#include <wx/string.h>
/*
* wxStream: base classes
*/
typedef enum {
wxBeginPosition = 0, wxCurrentPosition = 1, wxEndPosition = 2
} wxWhenceType;
class wxOutputStream;
class wxInputStream: public wxObject {
DECLARE_ABSTRACT_CLASS(wxInputStream)
public:
wxInputStream();
virtual ~wxInputStream();
virtual wxInputStream& Read(void *buffer, size_t size) = 0;
wxInputStream& Read(wxOutputStream& stream_out);
virtual size_t SeekI(int pos, wxWhenceType whence = wxBeginPosition) = 0;
virtual size_t TellI() const = 0;
virtual bool Eof() const = 0;
virtual size_t LastRead() const = 0;
};
class wxOutputStream: public wxObject {
DECLARE_ABSTRACT_CLASS(wxOutputStream)
public:
wxOutputStream();
virtual ~wxOutputStream();
virtual wxOutputStream& Write(const void *buffer, size_t size) = 0;
wxOutputStream& Write(wxInputStream& stream_in);
virtual size_t SeekO(int pos, wxWhenceType whence = wxBeginPosition) = 0;
virtual size_t TellO() const = 0;
virtual bool Bad() const = 0;
virtual size_t LastWrite() const = 0;
virtual void Sync() {}
};
class wxStream: public wxInputStream, public wxOutputStream {
DECLARE_ABSTRACT_CLASS(wxStream)
public:
wxStream() : wxInputStream(), wxOutputStream() {}
virtual ~wxStream() {}
};
/*
* "Filter" streams
*/
class wxFilterInputStream: public wxInputStream {
DECLARE_CLASS(wxFilterInputStream)
public:
wxFilterInputStream(wxInputStream& stream);
virtual ~wxFilterInputStream();
virtual wxInputStream& Read(void *buffer, size_t size)
{ return m_parent_i_stream->Read(buffer, size); }
virtual size_t SeekI(int pos, wxWhenceType whence = wxBeginPosition)
{ return m_parent_i_stream->SeekI(pos, whence); }
virtual bool Eof() const { return m_parent_i_stream->Eof(); }
virtual size_t LastRead() const { return m_parent_i_stream->LastRead(); }
protected:
wxInputStream *m_parent_i_stream;
};
class wxFilterOutputStream: public wxOutputStream {
DECLARE_CLASS(wxFilterOutputStream)
public:
wxFilterOutputStream(wxOutputStream& stream);
virtual ~wxFilterOutputStream();
virtual wxOutputStream& Write(const void *buffer, size_t size)
{ return m_parent_o_stream->Write(buffer, size); }
virtual size_t SeekO(int pos, wxWhenceType whence = wxBeginPosition)
{ return m_parent_o_stream->SeekO(pos, whence); }
virtual bool Bad() const { return m_parent_o_stream->Bad(); }
virtual size_t LastWrite() const { return m_parent_o_stream->LastWrite(); }
protected:
wxOutputStream *m_parent_o_stream;
};
#endif