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Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: objstrm.h
	3	// Purpose: wxObjectStream classes
	4	// Author: Guilhem Lavaux
	5	// Modified by:
	6	// Created: 16/07/98
	7	// RCS-ID: $Id$
	8	// Copyright: (c) 1998 Guilhem Lavaux
	9	// Licence: wxWindows license
	10	/////////////////////////////////////////////////////////////////////////////
	11	#ifndef _WX_WXOBJSTRM_H__
	12	#define _WX_WXOBJSTRM_H__
	13
	14	#ifdef __GNUG__
	15	#pragma interface
	16	#endif
	17
	18	#include "wx/defs.h"
	19
	20	#if wxUSE_STREAMS && wxUSE_SERIAL
	21
	22	#include "wx/object.h"
	23	#include "wx/string.h"
	24	#include "wx/stream.h"
	25
	26	class wxObjectStreamInfo : public wxObject {
	27	public:
	28	wxString object_name;
	29	int n_children, children_removed;
	30	wxList children;
	31	wxObjectStreamInfo *parent;
	32	wxObject *object;
	33	bool duplicate, recall;
	34	};
	35
	36	class wxObjectOutputStream : public wxFilterOutputStream {
	37	public:
	38	wxObjectOutputStream(wxOutputStream& s);
	39
	40	void AddChild(wxObject *obj);
	41	bool SaveObject(wxObject& obj);
	42
	43	bool FirstStage() const { return m_stage == 0; }
	44
	45	wxString GetObjectName(wxObject *obj);
	46
	47	protected:
	48	void WriteObjectDef(wxObjectStreamInfo& info);
	49	void ProcessObjectDef(wxObjectStreamInfo *info);
	50	void ProcessObjectData(wxObjectStreamInfo *info);
	51
	52	protected:
	53	int m_stage;
	54	bool m_saving;
	55	wxObjectStreamInfo *m_current_info;
	56	wxList m_saved_objs;
	57	};
	58
	59	class wxObjectInputStream : public wxFilterInputStream {
	60	public:
	61	wxObjectInputStream(wxInputStream& s);
	62
	63	bool SecondCall() const { return m_secondcall; }
	64	void Recall(bool on = TRUE) { m_current_info->recall = on; }
	65
	66	wxObject *GetChild(int no) const;
	67	wxObject *GetChild();
	68	int NumberOfChildren() const { return m_current_info->n_children; }
	69	void RemoveChildren(int nb);
	70	wxObject *GetParent() const;
	71	wxObject *LoadObject();
	72
	73	wxObject *SolveName(const wxString& objName) const;
	74
	75	protected:
	76	bool ReadObjectDef(wxObjectStreamInfo *info);
	77	wxObjectStreamInfo ProcessObjectDef(wxObjectStreamInfo info);
	78	void ProcessObjectData(wxObjectStreamInfo *info);
	79
	80	protected:
	81	bool m_secondcall;
	82	wxObjectStreamInfo *m_current_info;
	83	wxList m_solver;
	84	};
	85
	86	#endif
	87	// wxUSE_STREAMS && wxUSE_SERIAL
	88
	89	#endif
	90	// _WX_WXOBJSTRM_H__