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Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: txtstrm.h
	3	// Purpose: Text stream classes
	4	// Author: Guilhem Lavaux
	5	// Modified by:
	6	// Created: 28/06/1998
	7	// RCS-ID: $Id$
	8	// Copyright: (c) Guilhem Lavaux
	9	// Licence: wxWindows licence
	10	/////////////////////////////////////////////////////////////////////////////
	11
	12	#ifndef _WX_TXTSTREAM_H_
	13	#define _WX_TXTSTREAM_H_
	14
	15	#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
	16	#pragma interface "txtstrm.h"
	17	#endif
	18
	19	#include "wx/stream.h"
	20
	21	#if wxUSE_STREAMS
	22
	23	class WXDLLIMPEXP_BASE wxTextInputStream;
	24	class WXDLLIMPEXP_BASE wxTextOutputStream;
	25
	26	typedef wxTextInputStream& (*__wxTextInputManip)(wxTextInputStream&);
	27	typedef wxTextOutputStream& (*__wxTextOutputManip)(wxTextOutputStream&);
	28
	29	WXDLLIMPEXP_BASE wxTextOutputStream &endl( wxTextOutputStream &stream );
	30
	31
	32	#define wxEOT wxT('\4') // the End-Of-Text control code (used only inside wxTextInputStream)
	33
	34	// If you're scanning through a file using wxTextInputStream, you should check for EOF _before_
	35	// reading the next item (word / number), because otherwise the last item may get lost.
	36	// You should however be prepared to receive an empty item (empty string / zero number) at the
	37	// end of file, especially on Windows systems. This is unavoidable because most (but not all) files end
	38	// with whitespace (i.e. usually a newline).
	39	class WXDLLIMPEXP_BASE wxTextInputStream
	40	{
	41	public:
	42	#if wxUSE_UNICODE
	43	wxTextInputStream(wxInputStream& s, const wxString &sep=wxT(" \t"), wxMBConv& conv = wxConvUTF8 );
	44	#else
	45	wxTextInputStream(wxInputStream& s, const wxString &sep=wxT(" \t") );
	46	#endif
	47	~wxTextInputStream();
	48
	49	wxUint32 Read32(int base = 10); // base may be between 2 and 36, inclusive, or the special 0 (= C format)
	50	wxUint16 Read16(int base = 10);
	51	wxUint8 Read8(int base = 10);
	52	wxInt32 Read32S(int base = 10);
	53	wxInt16 Read16S(int base = 10);
	54	wxInt8 Read8S(int base = 10);
	55	double ReadDouble();
	56	wxString ReadString(); // deprecated: use ReadLine or ReadWord instead
	57	wxString ReadLine();
	58	wxString ReadWord();
	59	wxChar GetChar() { wxChar c = NextChar(); return c != wxEOT ? c : 0; }
	60
	61	wxString GetStringSeparators() const { return m_separators; }
	62	void SetStringSeparators(const wxString &c) { m_separators = c; }
	63
	64	// Operators
	65	wxTextInputStream& operator>>(wxString& word);
	66	wxTextInputStream& operator>>(char& c);
	67	wxTextInputStream& operator>>(wxInt16& i);
	68	wxTextInputStream& operator>>(wxInt32& i);
	69	wxTextInputStream& operator>>(wxUint16& i);
	70	wxTextInputStream& operator>>(wxUint32& i);
	71	wxTextInputStream& operator>>(double& i);
	72	wxTextInputStream& operator>>(float& f);
	73
	74	wxTextInputStream& operator>>( __wxTextInputManip func) { return func(*this); }
	75
	76	protected:
	77	wxInputStream &m_input;
	78	wxString m_separators;
	79	char m_lastBytes[10]; // stores the bytes that were read for the last character
	80
	81	#if wxUSE_UNICODE
	82	wxMBConv &m_conv;
	83	#endif
	84
	85	bool EatEOL(const wxChar &c);
	86	void UngetLast(); // should be used instead of wxInputStream::Ungetch() because of Unicode issues
	87	// returns EOT (\4) if there is a stream error, or end of file
	88	wxChar NextChar(); // this should be used instead of GetC() because of Unicode issues
	89	wxChar NextNonSeparators();
	90
	91	DECLARE_NO_COPY_CLASS(wxTextInputStream)
	92	};
	93
	94	typedef enum
	95	{
	96	wxEOL_NATIVE,
	97	wxEOL_UNIX,
	98	wxEOL_MAC,
	99	wxEOL_DOS
	100	} wxEOL;
	101
	102	class WXDLLIMPEXP_BASE wxTextOutputStream
	103	{
	104	public:
	105	#if wxUSE_UNICODE
	106	wxTextOutputStream( wxOutputStream& s, wxEOL mode = wxEOL_NATIVE, wxMBConv& conv = wxConvUTF8 );
	107	#else
	108	wxTextOutputStream( wxOutputStream& s, wxEOL mode = wxEOL_NATIVE );
	109	#endif
	110	virtual ~wxTextOutputStream();
	111
	112	void SetMode( wxEOL mode = wxEOL_NATIVE );
	113	wxEOL GetMode() { return m_mode; }
	114
	115	void Write32(wxUint32 i);
	116	void Write16(wxUint16 i);
	117	void Write8(wxUint8 i);
	118	virtual void WriteDouble(double d);
	119	virtual void WriteString(const wxString& string);
	120
	121	wxTextOutputStream& operator<<(const wxChar *string);
	122	wxTextOutputStream& operator<<(const wxString& string);
	123	wxTextOutputStream& operator<<(char c);
	124	wxTextOutputStream& operator<<(wxInt16 c);
	125	wxTextOutputStream& operator<<(wxInt32 c);
	126	wxTextOutputStream& operator<<(wxUint16 c);
	127	wxTextOutputStream& operator<<(wxUint32 c);
	128	wxTextOutputStream& operator<<(double f);
	129	wxTextOutputStream& operator<<(float f);
	130
	131	wxTextOutputStream& operator<<( __wxTextOutputManip func) { return func(*this); }
	132
	133	protected:
	134	wxOutputStream &m_output;
	135	wxEOL m_mode;
	136
	137	#if wxUSE_UNICODE
	138	wxMBConv &m_conv;
	139	#endif
	140
	141	DECLARE_NO_COPY_CLASS(wxTextOutputStream)
	142	};
	143
	144	#endif
	145	// wxUSE_STREAMS
	146
	147	#endif
	148	// _WX_DATSTREAM_H_