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: txtstrm.h 53135 2008-04-12 02:31:04Z VZ $ 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(); GetChar()57 wxChar GetChar() { wxChar c = NextChar(); return (wxChar)(c != wxEOT ? c : 0); } 58 GetStringSeparators()59 wxString GetStringSeparators() const { return m_separators; } SetStringSeparators(const wxString & c)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 ); GetMode()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 wxChar *string); 131 wxTextOutputStream& operator<<(const wxString& string); 132 wxTextOutputStream& operator<<(char c); 133 #if wxUSE_UNICODE && wxWCHAR_T_IS_REAL_TYPE 134 wxTextOutputStream& operator<<(wchar_t wc); 135 #endif // wxUSE_UNICODE 136 wxTextOutputStream& operator<<(wxInt16 c); 137 wxTextOutputStream& operator<<(wxInt32 c); 138 wxTextOutputStream& operator<<(wxUint16 c); 139 wxTextOutputStream& operator<<(wxUint32 c); 140 wxTextOutputStream& operator<<(double f); 141 wxTextOutputStream& operator<<(float f); 142 143 wxTextOutputStream& operator<<( __wxTextOutputManip func) { return func(*this); } 144 145 protected: 146 wxOutputStream &m_output; 147 wxEOL m_mode; 148 149 #if wxUSE_UNICODE 150 wxMBConv *m_conv; 151 #endif 152 153 DECLARE_NO_COPY_CLASS(wxTextOutputStream) 154 }; 155 156 #endif 157 // wxUSE_STREAMS 158 159 #endif 160 // _WX_DATSTREAM_H_ 161