1678ad7802
* Changes: ofsInvalid => wxInvalidOffset in filefn.h
* Updates: all wxStream classes use wxStreamBuffer.
wxObject basic declaration changes (added LoadObject, modified
StoreObject)
* Some base of the serialization.
(I hope not to have forgotten any files)
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@361 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
70 lines
1.7 KiB
C++
70 lines
1.7 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: mstream.h
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// Purpose: Memory stream 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 licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef __WXMMSTREAM_H__
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#define __WXMMSTREAM_H__
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#include <wx/stream.h>
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class wxMemoryStreamBase {
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protected:
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wxMemoryStreamBase();
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virtual ~wxMemoryStreamBase();
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bool ChangeBufferSize(size_t new_length);
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protected:
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bool m_persistent;
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size_t m_length;
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char *m_buffer;
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int m_iolimit;
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};
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class wxMemoryInputStream: virtual public wxMemoryStreamBase, public wxInputStream {
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public:
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wxMemoryInputStream(const char *data, size_t length);
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virtual ~wxMemoryInputStream();
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protected:
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size_t DoRead(void *buffer, size_t size);
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off_t DoSeekInput(off_t pos, wxSeekMode mode);
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off_t DoTellInput() const { return m_position_i; }
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protected:
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off_t m_position_i;
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};
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class wxMemoryOutputStream: virtual public wxMemoryStreamBase, public wxOutputStream {
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public:
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wxMemoryOutputStream(char *data = NULL, size_t length = 0);
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virtual ~wxMemoryOutputStream();
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char *GetData() { Sync(); return m_buffer; }
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size_t GetLength() { Sync(); return m_length; }
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protected:
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size_t DoWrite(const void *buffer, size_t size);
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off_t DoSeekOutput(off_t pos, wxSeekMode mode);
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off_t DoTellOutput() const { return m_position_o; }
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protected:
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off_t m_position_o;
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};
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class wxMemoryStream: public wxMemoryInputStream, public wxMemoryOutputStream {
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public:
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wxMemoryStream(char *data = NULL, size_t length = 0);
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virtual ~wxMemoryStream();
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};
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#endif
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