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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: wx/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 #include "wx/stream.h"
16 #include "wx/convauto.h"
17
18 #if wxUSE_STREAMS
19
20 class WXDLLIMPEXP_FWD_BASE wxTextInputStream;
21 class WXDLLIMPEXP_FWD_BASE wxTextOutputStream;
22
23 typedef wxTextInputStream& (*__wxTextInputManip)(wxTextInputStream&);
24 typedef wxTextOutputStream& (*__wxTextOutputManip)(wxTextOutputStream&);
25
26 WXDLLIMPEXP_BASE wxTextOutputStream &endl( wxTextOutputStream &stream );
27
28
29 #define wxEOT wxT('\4') // the End-Of-Text control code (used only inside wxTextInputStream)
30
31 // If you're scanning through a file using wxTextInputStream, you should check for EOF _before_
32 // reading the next item (word / number), because otherwise the last item may get lost.
33 // You should however be prepared to receive an empty item (empty string / zero number) at the
34 // end of file, especially on Windows systems. This is unavoidable because most (but not all) files end
35 // with whitespace (i.e. usually a newline).
36 class WXDLLIMPEXP_BASE wxTextInputStream
37 {
38 public:
39 #if wxUSE_UNICODE
40 wxTextInputStream(wxInputStream& s,
41 const wxString &sep=wxT(" \t"),
42 const wxMBConv& conv = wxConvAuto());
43 #else
44 wxTextInputStream(wxInputStream& s, const wxString &sep=wxT(" \t"));
45 #endif
46 ~wxTextInputStream();
47
48 wxUint32 Read32(int base = 10); // base may be between 2 and 36, inclusive, or the special 0 (= C format)
49 wxUint16 Read16(int base = 10);
50 wxUint8 Read8(int base = 10);
51 wxInt32 Read32S(int base = 10);
52 wxInt16 Read16S(int base = 10);
53 wxInt8 Read8S(int base = 10);
54 double ReadDouble();
55 wxString ReadLine();
56 wxString ReadWord();
57 wxChar GetChar() { wxChar c = NextChar(); return (wxChar)(c != wxEOT ? c : 0); }
58
59 wxString GetStringSeparators() const { return m_separators; }
60 void SetStringSeparators(const wxString &c) { m_separators = c; }
61
62 // Operators
63 wxTextInputStream& operator>>(wxString& word);
64 wxTextInputStream& operator>>(char& c);
65 #if wxUSE_UNICODE && wxWCHAR_T_IS_REAL_TYPE
66 wxTextInputStream& operator>>(wchar_t& wc);
67 #endif // wxUSE_UNICODE
68 wxTextInputStream& operator>>(wxInt16& i);
69 wxTextInputStream& operator>>(wxInt32& i);
70 wxTextInputStream& operator>>(wxUint16& i);
71 wxTextInputStream& operator>>(wxUint32& i);
72 wxTextInputStream& operator>>(double& i);
73 wxTextInputStream& operator>>(float& f);
74
75 wxTextInputStream& operator>>( __wxTextInputManip func) { return func(*this); }
76
77 #if WXWIN_COMPATIBILITY_2_6
78 wxDEPRECATED( wxString ReadString() ); // use ReadLine or ReadWord instead
79 #endif // WXWIN_COMPATIBILITY_2_6
80
81 protected:
82 wxInputStream &m_input;
83 wxString m_separators;
84 char m_lastBytes[10]; // stores the bytes that were read for the last character
85
86 #if wxUSE_UNICODE
87 wxMBConv *m_conv;
88 #endif
89
90 bool EatEOL(const wxChar &c);
91 void UngetLast(); // should be used instead of wxInputStream::Ungetch() because of Unicode issues
92 // returns EOT (\4) if there is a stream error, or end of file
93 wxChar NextChar(); // this should be used instead of GetC() because of Unicode issues
94 wxChar NextNonSeparators();
95
96 DECLARE_NO_COPY_CLASS(wxTextInputStream)
97 };
98
99 typedef enum
100 {
101 wxEOL_NATIVE,
102 wxEOL_UNIX,
103 wxEOL_MAC,
104 wxEOL_DOS
105 } wxEOL;
106
107 class WXDLLIMPEXP_BASE wxTextOutputStream
108 {
109 public:
110 #if wxUSE_UNICODE
111 wxTextOutputStream(wxOutputStream& s,
112 wxEOL mode = wxEOL_NATIVE,
113 const wxMBConv& conv = wxConvAuto());
114 #else
115 wxTextOutputStream(wxOutputStream& s, wxEOL mode = wxEOL_NATIVE);
116 #endif
117 virtual ~wxTextOutputStream();
118
119 void SetMode( wxEOL mode = wxEOL_NATIVE );
120 wxEOL GetMode() { return m_mode; }
121
122 void Write32(wxUint32 i);
123 void Write16(wxUint16 i);
124 void Write8(wxUint8 i);
125 virtual void WriteDouble(double d);
126 virtual void WriteString(const wxString& string);
127
128 wxTextOutputStream& PutChar(wxChar c);
129
130 wxTextOutputStream& operator<<(const wxString& string);
131 wxTextOutputStream& operator<<(char c);
132 #if wxUSE_UNICODE && wxWCHAR_T_IS_REAL_TYPE
133 wxTextOutputStream& operator<<(wchar_t wc);
134 #endif // wxUSE_UNICODE
135 wxTextOutputStream& operator<<(wxInt16 c);
136 wxTextOutputStream& operator<<(wxInt32 c);
137 wxTextOutputStream& operator<<(wxUint16 c);
138 wxTextOutputStream& operator<<(wxUint32 c);
139 wxTextOutputStream& operator<<(double f);
140 wxTextOutputStream& operator<<(float f);
141
142 wxTextOutputStream& operator<<( __wxTextOutputManip func) { return func(*this); }
143
144 protected:
145 wxOutputStream &m_output;
146 wxEOL m_mode;
147
148 #if wxUSE_UNICODE
149 wxMBConv *m_conv;
150 #endif
151
152 DECLARE_NO_COPY_CLASS(wxTextOutputStream)
153 };
154
155 #endif
156 // wxUSE_STREAMS
157
158 #endif
159 // _WX_DATSTREAM_H_