e49f47aa77
Removed DECLARE* and IMPLEMENT* filefn.h: added #include "wx/list.h" to define wxStringList git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@277 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
105 lines
2.8 KiB
C++
105 lines
2.8 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: stream.h
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// Purpose: "wxWindows stream" base classes
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// Author: Guilhem Lavaux
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// Modified by:
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// Created: 11/07/98
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// RCS-ID: $Id$
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// Copyright: (c) Guilhem Lavaux
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// Licence: wxWindows license
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/////////////////////////////////////////////////////////////////////////////
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#ifndef __WXSTREAM_H__
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#define __WXSTREAM_H__
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#ifdef __GNUG__
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#pragma interface
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#endif
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#include <stdio.h>
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#include "wx/object.h"
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#include "wx/string.h"
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#include "wx/filefn.h" // for off_t and wxSeekMode
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/*
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* wxStream: base classes
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*/
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class wxOutputStream;
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class wxInputStream {
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public:
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wxInputStream();
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virtual ~wxInputStream();
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virtual wxInputStream& Read(void *buffer, size_t size) = 0;
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wxInputStream& Read(wxOutputStream& stream_out);
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virtual off_t SeekI(off_t pos, wxSeekMode mode = wxFromStart) = 0;
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virtual off_t TellI() const = 0;
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virtual bool Eof() const = 0;
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virtual size_t LastRead() const = 0;
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wxInputStream& operator>>(wxOutputStream& out) { return Read(out); }
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};
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class wxOutputStream {
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public:
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wxOutputStream();
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virtual ~wxOutputStream();
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virtual wxOutputStream& Write(const void *buffer, size_t size) = 0;
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wxOutputStream& Write(wxInputStream& stream_in);
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virtual off_t SeekO(off_t pos, wxSeekMode mode = wxFromStart) = 0;
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virtual off_t TellO() const = 0;
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virtual bool Bad() const = 0;
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virtual size_t LastWrite() const = 0;
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virtual void Sync() {}
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};
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/*
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* "Filter" streams
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*/
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class wxFilterInputStream: public wxInputStream {
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public:
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wxFilterInputStream(wxInputStream& stream);
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virtual ~wxFilterInputStream();
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virtual wxInputStream& Read(void *buffer, size_t size)
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{ return m_parent_i_stream->Read(buffer, size); }
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virtual off_t SeekI(off_t pos, wxSeekMode mode = wxFromStart)
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{ return m_parent_i_stream->SeekI(pos, mode); }
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virtual off_t TellI() const
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{ return m_parent_i_stream->TellI(); }
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virtual bool Eof() const { return m_parent_i_stream->Eof(); }
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virtual size_t LastRead() const { return m_parent_i_stream->LastRead(); }
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protected:
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wxInputStream *m_parent_i_stream;
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};
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class wxFilterOutputStream: public wxOutputStream {
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public:
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wxFilterOutputStream(wxOutputStream& stream);
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virtual ~wxFilterOutputStream();
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virtual wxOutputStream& Write(const void *buffer, size_t size)
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{ return m_parent_o_stream->Write(buffer, size); }
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virtual off_t SeekO(off_t pos, wxSeekMode mode = wxFromStart)
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{ return m_parent_o_stream->SeekO(pos, mode); }
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virtual off_t TellO() const
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{ return m_parent_o_stream->TellO(); }
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virtual bool Bad() const { return m_parent_o_stream->Bad(); }
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virtual size_t LastWrite() const { return m_parent_o_stream->LastWrite(); }
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protected:
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wxOutputStream *m_parent_o_stream;
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};
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#endif
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