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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 | ||
60 | wxString GetStringSeparators() const { return m_separators; } | |
61 | void SetStringSeparators(const wxString &c) { m_separators = c; } | |
62 | ||
63 | // Operators | |
64 | wxTextInputStream& operator>>(wxString& word); | |
65 | wxTextInputStream& operator>>(char& c); | |
66 | wxTextInputStream& operator>>(wxInt16& i); | |
67 | wxTextInputStream& operator>>(wxInt32& i); | |
68 | wxTextInputStream& operator>>(wxUint16& i); | |
69 | wxTextInputStream& operator>>(wxUint32& i); | |
70 | wxTextInputStream& operator>>(double& i); | |
71 | wxTextInputStream& operator>>(float& f); | |
72 | ||
73 | wxTextInputStream& operator>>( __wxTextInputManip func) { return func(*this); } | |
74 | ||
75 | protected: | |
76 | wxInputStream &m_input; | |
77 | wxString m_separators; | |
78 | char m_lastBytes[10]; // stores the bytes that were read for the last character | |
79 | ||
80 | #if wxUSE_UNICODE | |
81 | wxMBConv &m_conv; | |
82 | #endif | |
83 | ||
84 | bool EatEOL(const wxChar &c); | |
85 | void UngetLast(); // should be used instead of wxInputStream::Ungetch() because of Unicode issues | |
86 | // returns EOT (\4) if there is a stream error, or end of file | |
87 | wxChar NextChar(); // this should be used instead of GetC() because of Unicode issues | |
88 | wxChar NextNonSeparators(); | |
89 | ||
90 | DECLARE_NO_COPY_CLASS(wxTextInputStream) | |
91 | }; | |
92 | ||
93 | typedef enum | |
94 | { | |
95 | wxEOL_NATIVE, | |
96 | wxEOL_UNIX, | |
97 | wxEOL_MAC, | |
98 | wxEOL_DOS | |
99 | } wxEOL; | |
100 | ||
101 | class WXDLLIMPEXP_BASE wxTextOutputStream | |
102 | { | |
103 | public: | |
104 | #if wxUSE_UNICODE | |
105 | wxTextOutputStream( wxOutputStream& s, wxEOL mode = wxEOL_NATIVE, wxMBConv& conv = wxConvUTF8 ); | |
106 | #else | |
107 | wxTextOutputStream( wxOutputStream& s, wxEOL mode = wxEOL_NATIVE ); | |
108 | #endif | |
109 | virtual ~wxTextOutputStream(); | |
110 | ||
111 | void SetMode( wxEOL mode = wxEOL_NATIVE ); | |
112 | wxEOL GetMode() { return m_mode; } | |
113 | ||
114 | void Write32(wxUint32 i); | |
115 | void Write16(wxUint16 i); | |
116 | void Write8(wxUint8 i); | |
117 | virtual void WriteDouble(double d); | |
118 | virtual void WriteString(const wxString& string); | |
119 | ||
120 | wxTextOutputStream& operator<<(const wxChar *string); | |
121 | wxTextOutputStream& operator<<(const wxString& string); | |
122 | wxTextOutputStream& operator<<(char c); | |
123 | wxTextOutputStream& operator<<(wxInt16 c); | |
124 | wxTextOutputStream& operator<<(wxInt32 c); | |
125 | wxTextOutputStream& operator<<(wxUint16 c); | |
126 | wxTextOutputStream& operator<<(wxUint32 c); | |
127 | wxTextOutputStream& operator<<(double f); | |
128 | wxTextOutputStream& operator<<(float f); | |
129 | ||
130 | wxTextOutputStream& operator<<( __wxTextOutputManip func) { return func(*this); } | |
131 | ||
132 | protected: | |
133 | wxOutputStream &m_output; | |
134 | wxEOL m_mode; | |
135 | ||
136 | #if wxUSE_UNICODE | |
137 | wxMBConv &m_conv; | |
138 | #endif | |
139 | ||
140 | DECLARE_NO_COPY_CLASS(wxTextOutputStream) | |
141 | }; | |
142 | ||
143 | #endif | |
144 | // wxUSE_STREAMS | |
145 | ||
146 | #endif | |
147 | // _WX_DATSTREAM_H_ |