| 1 | /////////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: strconv.h |
| 3 | // Purpose: conversion routines for char sets any Unicode |
| 4 | // Author: Robert Roebling, Ove Kaaven |
| 5 | // Modified by: |
| 6 | // Created: 29/01/98 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) 1998 Ove Kaaven, Robert Roebling, Vadim Zeitlin |
| 9 | // Licence: wxWindows license |
| 10 | /////////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | #ifndef _WX_WXSTRCONVH__ |
| 13 | #define _WX_WXSTRCONVH__ |
| 14 | |
| 15 | #ifdef __GNUG__ |
| 16 | #pragma interface "strconv.h" |
| 17 | #endif |
| 18 | |
| 19 | #include "wx/defs.h" |
| 20 | #include "wx/wxchar.h" |
| 21 | #include "wx/buffer.h" |
| 22 | |
| 23 | #if defined(__VISAGECPP__) && __IBMCPP__ >= 400 |
| 24 | # undef __BSEXCPT__ |
| 25 | #endif |
| 26 | #include <stdlib.h> |
| 27 | |
| 28 | #if wxUSE_WCHAR_T |
| 29 | |
| 30 | // ---------------------------------------------------------------------------- |
| 31 | // wxMBConv (base class for conversions, using libc conversion itself) |
| 32 | // ---------------------------------------------------------------------------- |
| 33 | |
| 34 | class WXDLLEXPORT wxMBConv |
| 35 | { |
| 36 | public: |
| 37 | // the actual conversion takes place here |
| 38 | virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const; |
| 39 | virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n) const; |
| 40 | |
| 41 | // No longer inline since BC++ complains. |
| 42 | const wxWCharBuffer cMB2WC(const char *psz) const; |
| 43 | const wxCharBuffer cWC2MB(const wchar_t *psz) const; |
| 44 | |
| 45 | #if wxUSE_UNICODE |
| 46 | const wxWCharBuffer cMB2WX(const char *psz) const { return cMB2WC(psz); } |
| 47 | const wxCharBuffer cWX2MB(const wchar_t *psz) const { return cWC2MB(psz); } |
| 48 | const wchar_t* cWC2WX(const wchar_t *psz) const { return psz; } |
| 49 | const wchar_t* cMB2WC(const wchar_t *psz) const { return psz; } |
| 50 | #else // ANSI |
| 51 | const char* cMB2WX(const char *psz) const { return psz; } |
| 52 | const char* cWX2MB(const char *psz) const { return psz; } |
| 53 | const wxCharBuffer cWC2WX(const wchar_t *psz) const { return cWC2MB(psz); } |
| 54 | const wxWCharBuffer cWX2WC(const char *psz) const { return cMB2WC(psz); } |
| 55 | #endif // Unicode/ANSI |
| 56 | }; |
| 57 | |
| 58 | WXDLLEXPORT_DATA(extern wxMBConv) wxConvLibc; |
| 59 | |
| 60 | // ---------------------------------------------------------------------------- |
| 61 | // wxMBConvFile (for conversion to filenames) |
| 62 | // ---------------------------------------------------------------------------- |
| 63 | |
| 64 | class WXDLLEXPORT wxMBConvFile : public wxMBConv |
| 65 | { |
| 66 | public: |
| 67 | virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const; |
| 68 | virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n) const; |
| 69 | }; |
| 70 | |
| 71 | WXDLLEXPORT_DATA(extern wxMBConvFile) wxConvFile; |
| 72 | |
| 73 | // ---------------------------------------------------------------------------- |
| 74 | // wxMBConvUTF7 (for conversion using UTF7 encoding) |
| 75 | // ---------------------------------------------------------------------------- |
| 76 | |
| 77 | class WXDLLEXPORT wxMBConvUTF7 : public wxMBConv |
| 78 | { |
| 79 | public: |
| 80 | virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const; |
| 81 | virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n) const; |
| 82 | }; |
| 83 | |
| 84 | WXDLLEXPORT_DATA(extern wxMBConvUTF7) wxConvUTF7; |
| 85 | |
| 86 | // ---------------------------------------------------------------------------- |
| 87 | // wxMBConvUTF8 (for conversion using UTF8 encoding) |
| 88 | // ---------------------------------------------------------------------------- |
| 89 | |
| 90 | class WXDLLEXPORT wxMBConvUTF8 : public wxMBConv |
| 91 | { |
| 92 | public: |
| 93 | virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const; |
| 94 | virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n) const; |
| 95 | }; |
| 96 | |
| 97 | WXDLLEXPORT_DATA(extern wxMBConvUTF8) wxConvUTF8; |
| 98 | |
| 99 | #ifdef __WXGTK12__ |
| 100 | |
| 101 | // ---------------------------------------------------------------------------- |
| 102 | // wxMBConvUTF8 (for conversion using GDK's internal converions) |
| 103 | // ---------------------------------------------------------------------------- |
| 104 | |
| 105 | class WXDLLEXPORT wxMBConvGdk : public wxMBConv |
| 106 | { |
| 107 | public: |
| 108 | virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const; |
| 109 | virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n) const; |
| 110 | }; |
| 111 | |
| 112 | WXDLLEXPORT_DATA(extern wxMBConvGdk) wxConvGdk; |
| 113 | |
| 114 | #endif // wxGTK 1.2 |
| 115 | |
| 116 | // ---------------------------------------------------------------------------- |
| 117 | // wxCSConv (for conversion based on loadable char sets) |
| 118 | // ---------------------------------------------------------------------------- |
| 119 | |
| 120 | class WXDLLEXPORT wxCharacterSet; |
| 121 | |
| 122 | class WXDLLEXPORT wxCSConv : public wxMBConv |
| 123 | { |
| 124 | public: |
| 125 | wxCSConv(const wxChar *charset); |
| 126 | virtual ~wxCSConv(); |
| 127 | |
| 128 | void LoadNow(); |
| 129 | |
| 130 | virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const; |
| 131 | virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n) const; |
| 132 | |
| 133 | private: |
| 134 | void SetName(const wxChar *charset); |
| 135 | |
| 136 | wxChar *m_name; |
| 137 | wxCharacterSet *m_cset; |
| 138 | bool m_deferred; |
| 139 | }; |
| 140 | |
| 141 | WXDLLEXPORT_DATA(extern wxCSConv) wxConvLocal; |
| 142 | WXDLLEXPORT_DATA(extern wxMBConv *) wxConvCurrent; |
| 143 | |
| 144 | // ---------------------------------------------------------------------------- |
| 145 | // filename conversion macros |
| 146 | // ---------------------------------------------------------------------------- |
| 147 | |
| 148 | // filenames are multibyte on Unix and probably widechar on Windows? |
| 149 | #if defined(__UNIX__) || defined(__BORLANDC__) |
| 150 | #define wxMBFILES 1 |
| 151 | #else |
| 152 | #define wxMBFILES 0 |
| 153 | #endif |
| 154 | |
| 155 | #if wxMBFILES && wxUSE_UNICODE |
| 156 | #define wxFNCONV(name) wxConvFile.cWX2MB(name) |
| 157 | #define wxFNSTRINGCAST wxMBSTRINGCAST |
| 158 | #else |
| 159 | #define wxFNCONV(name) name |
| 160 | #define wxFNSTRINGCAST WXSTRINGCAST |
| 161 | #endif |
| 162 | |
| 163 | #else |
| 164 | // !wxUSE_WCHAR_T |
| 165 | |
| 166 | // ---------------------------------------------------------------------------- |
| 167 | // stand-ins in absence of wchar_t |
| 168 | // ---------------------------------------------------------------------------- |
| 169 | |
| 170 | class WXDLLEXPORT wxMBConv |
| 171 | { |
| 172 | public: |
| 173 | const char* cMB2WX(const char *psz) const { return psz; } |
| 174 | const char* cWX2MB(const char *psz) const { return psz; } |
| 175 | }; |
| 176 | |
| 177 | WXDLLEXPORT_DATA(extern wxMBConv) wxConvLibc, wxConvFile; |
| 178 | WXDLLEXPORT_DATA(extern wxMBConv *) wxConvCurrent; |
| 179 | |
| 180 | #define wxFNCONV(name) name |
| 181 | #define wxFNSTRINGCAST WXSTRINGCAST |
| 182 | |
| 183 | #endif |
| 184 | // wxUSE_WCHAR_T |
| 185 | |
| 186 | // ---------------------------------------------------------------------------- |
| 187 | // macros for the most common conversions |
| 188 | // ---------------------------------------------------------------------------- |
| 189 | |
| 190 | #if wxUSE_UNICODE |
| 191 | #define wxConvertWX2MB(s) wxConvCurrent->cWX2MB(s) |
| 192 | #define wxConvertMB2WX(s) wxConvCurrent->cMB2WX(s) |
| 193 | #else // ANSI |
| 194 | // no conversions to do |
| 195 | #define wxConvertWX2MB(s) (s) |
| 196 | #define wxConvertMB2WX(s) (s) |
| 197 | #endif // Unicode/ANSI |
| 198 | |
| 199 | #endif |
| 200 | // _WX_WXSTRCONVH__ |
| 201 | |