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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 (wxChar)(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	#if wxUSE_UNICODE && wxWCHAR_T_IS_REAL_TYPE
	68	wxTextInputStream& operator>>(wchar_t& wc);
	69	#endif // wxUSE_UNICODE
	70	wxTextInputStream& operator>>(wxInt16& i);
	71	wxTextInputStream& operator>>(wxInt32& i);
	72	wxTextInputStream& operator>>(wxUint16& i);
	73	wxTextInputStream& operator>>(wxUint32& i);
	74	wxTextInputStream& operator>>(double& i);
	75	wxTextInputStream& operator>>(float& f);
	76
	77	wxTextInputStream& operator>>( __wxTextInputManip func) { return func(*this); }
	78
	79	protected:
	80	wxInputStream &m_input;
	81	wxString m_separators;
	82	char m_lastBytes[10]; // stores the bytes that were read for the last character
	83
	84	#if wxUSE_UNICODE
	85	wxMBConv &m_conv;
	86	#endif
	87
	88	bool EatEOL(const wxChar &c);
	89	void UngetLast(); // should be used instead of wxInputStream::Ungetch() because of Unicode issues
	90	// returns EOT (\4) if there is a stream error, or end of file
	91	wxChar NextChar(); // this should be used instead of GetC() because of Unicode issues
	92	wxChar NextNonSeparators();
	93
	94	DECLARE_NO_COPY_CLASS(wxTextInputStream)
	95	};
	96
	97	typedef enum
	98	{
	99	wxEOL_NATIVE,
	100	wxEOL_UNIX,
	101	wxEOL_MAC,
	102	wxEOL_DOS
	103	} wxEOL;
	104
	105	class WXDLLIMPEXP_BASE wxTextOutputStream
	106	{
	107	public:
	108	#if wxUSE_UNICODE
	109	wxTextOutputStream( wxOutputStream& s, wxEOL mode = wxEOL_NATIVE, wxMBConv& conv = wxConvUTF8 );
	110	#else
	111	wxTextOutputStream( wxOutputStream& s, wxEOL mode = wxEOL_NATIVE );
	112	#endif
	113	virtual ~wxTextOutputStream();
	114
	115	void SetMode( wxEOL mode = wxEOL_NATIVE );
	116	wxEOL GetMode() { return m_mode; }
	117
	118	void Write32(wxUint32 i);
	119	void Write16(wxUint16 i);
	120	void Write8(wxUint8 i);
	121	virtual void WriteDouble(double d);
	122	virtual void WriteString(const wxString& string);
	123
	124	wxTextOutputStream& operator<<(const wxChar *string);
	125	wxTextOutputStream& operator<<(const wxString& string);
	126	wxTextOutputStream& operator<<(char c);
	127	#if wxUSE_UNICODE && wxWCHAR_T_IS_REAL_TYPE
	128	wxTextOutputStream& operator<<(wchar_t wc);
	129	#endif // wxUSE_UNICODE
	130	wxTextOutputStream& operator<<(wxInt16 c);
	131	wxTextOutputStream& operator<<(wxInt32 c);
	132	wxTextOutputStream& operator<<(wxUint16 c);
	133	wxTextOutputStream& operator<<(wxUint32 c);
	134	wxTextOutputStream& operator<<(double f);
	135	wxTextOutputStream& operator<<(float f);
	136
	137	wxTextOutputStream& operator<<( __wxTextOutputManip func) { return func(*this); }
	138
	139	protected:
	140	wxOutputStream &m_output;
	141	wxEOL m_mode;
	142
	143	#if wxUSE_UNICODE
	144	wxMBConv &m_conv;
	145	#endif
	146
	147	DECLARE_NO_COPY_CLASS(wxTextOutputStream)
	148	};
	149
	150	#endif
	151	// wxUSE_STREAMS
	152
	153	#endif
	154	// _WX_DATSTREAM_H_