// Created: 29/01/98
// RCS-ID: $Id$
// Copyright: (c) 1998 Ove Kaaven, Robert Roebling, Vadim Zeitlin
-// Licence: wxWindows license
+// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_WXSTRCONVH__
#define _WX_WXSTRCONVH__
-#ifdef __GNUG__
- #pragma interface "strconv.h"
-#endif
-
#include "wx/defs.h"
#include "wx/wxchar.h"
#include "wx/buffer.h"
+#ifdef __DIGITALMARS__
+#include "typeinfo.h"
+#endif
+
+#if defined(__VISAGECPP__) && __IBMCPP__ >= 400
+# undef __BSEXCPT__
+#endif
+
#include <stdlib.h>
#if wxUSE_WCHAR_T
-//---------------------------------------------------------------------------
-// wxMBConv (base class for conversions, using libc conversion itself)
-//---------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
+// wxMBConv (abstract base class for conversions)
+// ----------------------------------------------------------------------------
-class WXDLLEXPORT wxMBConv
+class WXDLLIMPEXP_BASE wxMBConv
{
public:
-
- // the actual conversion takes place here
- virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const;
- virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n) const;
-
- // No longer inline since BC++ complains.
- const wxWCharBuffer cMB2WC(const char *psz) const;
- const wxCharBuffer cWC2MB(const wchar_t *psz) const;
+ // the actual conversion takes place here
+ //
+ // note that outputSize is the size of the output buffer, not the length of input
+ // (the latter is always supposed to be NUL-terminated)
+ virtual size_t MB2WC(wchar_t *outputBuf, const char *psz, size_t outputSize) const = 0;
+ virtual size_t WC2MB(char *outputBuf, const wchar_t *psz, size_t outputSize) const = 0;
+
+ // MB <-> WC
+ const wxWCharBuffer cMB2WC(const char *psz) const;
+ const wxCharBuffer cWC2MB(const wchar_t *psz) const;
+
+ // MB <-> WC for strings with embedded null characters
+ //
+ // pszLen length of the input string
+ // pOutSize gets the final size of the converted string
+ const wxWCharBuffer cMB2WC(const char *psz, size_t pszLen, size_t* pOutSize) const;
+ const wxCharBuffer cWC2MB(const wchar_t *psz, size_t pszLen, size_t* pOutSize) const;
+
+ // convenience functions for converting MB or WC to/from wxWin default
#if wxUSE_UNICODE
- const wxWCharBuffer cMB2WX(const char *psz) const { return cMB2WC(psz); }
- const wxCharBuffer cWX2MB(const wchar_t *psz) const { return cWC2MB(psz); }
- const wchar_t* cWC2WX(const wchar_t *psz) const { return psz; }
- const wchar_t* cMB2WC(const wchar_t *psz) const { return psz; }
-#else
- const char* cMB2WX(const char *psz) const { return psz; }
- const char* cWX2MB(const char *psz) const { return psz; }
- const wxCharBuffer cWC2WX(const wchar_t *psz) const { return cWC2MB(psz); }
- const wxWCharBuffer cWX2WC(const char *psz) const { return cMB2WC(psz); }
-#endif
+ const wxWCharBuffer cMB2WX(const char *psz) const { return cMB2WC(psz); }
+ const wxCharBuffer cWX2MB(const wchar_t *psz) const { return cWC2MB(psz); }
+ const wchar_t* cWC2WX(const wchar_t *psz) const { return psz; }
+ const wchar_t* cWX2WC(const wchar_t *psz) const { return psz; }
+#else // ANSI
+ const char* cMB2WX(const char *psz) const { return psz; }
+ const char* cWX2MB(const char *psz) const { return psz; }
+ const wxCharBuffer cWC2WX(const wchar_t *psz) const { return cWC2MB(psz); }
+ const wxWCharBuffer cWX2WC(const char *psz) const { return cMB2WC(psz); }
+#endif // Unicode/ANSI
+
+ // virtual dtor for any base class
+ virtual ~wxMBConv();
};
-WXDLLEXPORT_DATA(extern wxMBConv) wxConvLibc;
+// ----------------------------------------------------------------------------
+// wxMBConvLibc uses standard mbstowcs() and wcstombs() functions for
+// conversion (hence it depends on the current locale)
+// ----------------------------------------------------------------------------
-//---------------------------------------------------------------------------
-// wxMBConvFile (for conversion to filenames)
-//---------------------------------------------------------------------------
+class WXDLLIMPEXP_BASE wxMBConvLibc : public wxMBConv
+{
+public:
+ virtual size_t MB2WC(wchar_t *outputBuf, const char *psz, size_t outputSize) const;
+ virtual size_t WC2MB(char *outputBuf, const wchar_t *psz, size_t outputSize) const;
+};
+
+#ifdef __UNIX__
-class WXDLLEXPORT wxMBConvFile: public wxMBConv
+// ----------------------------------------------------------------------------
+// wxConvBrokenFileNames is made for Unix in Unicode mode when
+// files are accidentally written in an encoding which is not
+// the system encoding. Typically, the system encoding will be
+// UTF8 but there might be files stored in ISO8859-1 on disk.
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_BASE wxConvBrokenFileNames : public wxMBConv
{
public:
- virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const;
- virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n) const;
+ wxConvBrokenFileNames(const wxChar *charset);
+ virtual ~wxConvBrokenFileNames() { delete m_conv; }
+
+ virtual size_t MB2WC(wchar_t *outputBuf, const char *psz, size_t outputSize) const;
+ virtual size_t WC2MB(char *outputBuf, const wchar_t *psz, size_t outputSize) const;
+
+private:
+ // the conversion object we forward to
+ wxMBConv *m_conv;
};
-WXDLLEXPORT_DATA(extern wxMBConvFile) wxConvFile;
+#endif
-//---------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
// wxMBConvUTF7 (for conversion using UTF7 encoding)
-//---------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
-class WXDLLEXPORT wxMBConvUTF7: public wxMBConv
+class WXDLLIMPEXP_BASE wxMBConvUTF7 : public wxMBConv
{
public:
- virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const;
- virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n) const;
+ virtual size_t MB2WC(wchar_t *outputBuf, const char *psz, size_t outputSize) const;
+ virtual size_t WC2MB(char *outputBuf, const wchar_t *psz, size_t outputSize) const;
};
-WXDLLEXPORT_DATA(extern wxMBConvUTF7) wxConvUTF7;
-
-//---------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
// wxMBConvUTF8 (for conversion using UTF8 encoding)
-//---------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
-class WXDLLEXPORT wxMBConvUTF8: public wxMBConv
+class WXDLLIMPEXP_BASE wxMBConvUTF8 : public wxMBConv
{
public:
- virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const;
- virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n) const;
+ enum {
+ MAP_INVALID_UTF8_NOT = 0,
+ MAP_INVALID_UTF8_TO_PUA = 1,
+ MAP_INVALID_UTF8_TO_OCTAL = 2
+ };
+
+ wxMBConvUTF8(int options = MAP_INVALID_UTF8_NOT) : m_options(options) { }
+ virtual size_t MB2WC(wchar_t *outputBuf, const char *psz, size_t outputSize) const;
+ virtual size_t WC2MB(char *outputBuf, const wchar_t *psz, size_t outputSize) const;
+
+private:
+ int m_options;
};
-WXDLLEXPORT_DATA(extern wxMBConvUTF8) wxConvUTF8;
+// ----------------------------------------------------------------------------
+// wxMBConvUTF16LE (for conversion using UTF16 Little Endian encoding)
+// ----------------------------------------------------------------------------
-#ifdef __WXGTK12__
-//---------------------------------------------------------------------------
-// wxMBConvUTF8 (for conversion using GDK's internal converions)
-//---------------------------------------------------------------------------
+class WXDLLIMPEXP_BASE wxMBConvUTF16LE : public wxMBConv
+{
+public:
+ virtual size_t MB2WC(wchar_t *outputBuf, const char *psz, size_t outputSize) const;
+ virtual size_t WC2MB(char *outputBuf, const wchar_t *psz, size_t outputSize) const;
+};
+
+// ----------------------------------------------------------------------------
+// wxMBConvUTF16BE (for conversion using UTF16 Big Endian encoding)
+// ----------------------------------------------------------------------------
-class WXDLLEXPORT wxMBConvGdk: public wxMBConv
+class WXDLLIMPEXP_BASE wxMBConvUTF16BE : public wxMBConv
{
public:
- virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const;
- virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n) const;
+ virtual size_t MB2WC(wchar_t *outputBuf, const char *psz, size_t outputSize) const;
+ virtual size_t WC2MB(char *outputBuf, const wchar_t *psz, size_t outputSize) const;
};
-WXDLLEXPORT_DATA(extern wxMBConvGdk) wxConvGdk;
-#endif
+// ----------------------------------------------------------------------------
+// wxMBConvUTF32LE (for conversion using UTF32 Little Endian encoding)
+// ----------------------------------------------------------------------------
-//---------------------------------------------------------------------------
-// wxCSConv (for conversion based on laodable char sets)
-//---------------------------------------------------------------------------
+class WXDLLIMPEXP_BASE wxMBConvUTF32LE : public wxMBConv
+{
+public:
+ virtual size_t MB2WC(wchar_t *outputBuf, const char *psz, size_t outputSize) const;
+ virtual size_t WC2MB(char *outputBuf, const wchar_t *psz, size_t outputSize) const;
+};
-class wxCharacterSet;
+// ----------------------------------------------------------------------------
+// wxMBConvUTF32BE (for conversion using UTF32 Big Endian encoding)
+// ----------------------------------------------------------------------------
-class WXDLLEXPORT wxCSConv: public wxMBConv
+class WXDLLIMPEXP_BASE wxMBConvUTF32BE : public wxMBConv
+{
+public:
+ virtual size_t MB2WC(wchar_t *outputBuf, const char *psz, size_t outputSize) const;
+ virtual size_t WC2MB(char *outputBuf, const wchar_t *psz, size_t outputSize) const;
+};
+
+// ----------------------------------------------------------------------------
+// wxCSConv (for conversion based on loadable char sets)
+// ----------------------------------------------------------------------------
+
+#include "wx/fontenc.h"
+
+class WXDLLIMPEXP_BASE wxCSConv : public wxMBConv
{
-private:
- wxChar *m_name;
- wxCharacterSet *m_cset;
- bool m_deferred;
- void SetName(const wxChar *charset);
-
public:
- wxCSConv(const wxChar *charset);
- virtual ~wxCSConv();
- void LoadNow();
- virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const;
- virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n) const;
+ // we can be created either from charset name or from an encoding constant
+ // but we can't have both at once
+ wxCSConv(const wxChar *charset);
+ wxCSConv(wxFontEncoding encoding);
+
+ wxCSConv(const wxCSConv& conv);
+ virtual ~wxCSConv();
+
+ wxCSConv& operator=(const wxCSConv& conv);
+
+ virtual size_t MB2WC(wchar_t *outputBuf, const char *psz, size_t outputSize) const;
+ virtual size_t WC2MB(char *outputBuf, const wchar_t *psz, size_t outputSize) const;
+
+ void Clear() ;
+
+private:
+ // common part of all ctors
+ void Init();
+
+ // creates m_convReal if necessary
+ void CreateConvIfNeeded() const;
+
+ // do create m_convReal (unconditionally)
+ wxMBConv *DoCreate() const;
+
+ // set the name (may be only called when m_name == NULL), makes copy of
+ // charset string
+ void SetName(const wxChar *charset);
+
+
+ // note that we can't use wxString here because of compilation
+ // dependencies: we're included from wx/string.h
+ wxChar *m_name;
+ wxFontEncoding m_encoding;
+
+ // use CreateConvIfNeeded() before accessing m_convReal!
+ wxMBConv *m_convReal;
+ bool m_deferred;
};
-WXDLLEXPORT_DATA(extern wxCSConv) wxConvLocal;
-#define wxConv_local wxConvLocal
-WXDLLEXPORT_DATA(extern wxMBConv *) wxConvCurrent;
-#define wxConv_current wxConvCurrent
+// ----------------------------------------------------------------------------
+// declare predefined conversion objects
+// ----------------------------------------------------------------------------
+
+// conversion to be used with all standard functions affected by locale, e.g.
+// strtol(), strftime(), ...
+extern WXDLLIMPEXP_DATA_BASE(wxMBConv&) wxConvLibc;
+
+// conversion ISO-8859-1/UTF-7/UTF-8 <-> wchar_t
+extern WXDLLIMPEXP_DATA_BASE(wxCSConv&) wxConvISO8859_1;
+extern WXDLLIMPEXP_DATA_BASE(wxMBConvUTF7&) wxConvUTF7;
+extern WXDLLIMPEXP_DATA_BASE(wxMBConvUTF8&) wxConvUTF8;
+
+// conversion used for the file names on the systems where they're not Unicode
+// (basically anything except Windows)
+//
+// this is used by all file functions, can be changed by the application
+//
+// by default UTF-8 under Mac OS X and wxConvLibc elsewhere (but it's not used
+// under Windows normally)
+extern WXDLLIMPEXP_DATA_BASE(wxMBConv *) wxConvFileName;
+
+// backwards compatible define
+#define wxConvFile (*wxConvFileName)
-//---------------------------------------------------------------------------
+// the current conversion object, may be set to any conversion, is used by
+// default in a couple of places inside wx (initially same as wxConvLibc)
+extern WXDLLIMPEXP_DATA_BASE(wxMBConv *) wxConvCurrent;
+
+// ???
+extern WXDLLIMPEXP_DATA_BASE(wxCSConv&) wxConvLocal;
+
+
+// ----------------------------------------------------------------------------
+// endianness-dependent conversions
+// ----------------------------------------------------------------------------
+
+#ifdef WORDS_BIGENDIAN
+ typedef wxMBConvUTF16BE wxMBConvUTF16;
+ typedef wxMBConvUTF32BE wxMBConvUTF32;
+#else
+ typedef wxMBConvUTF16LE wxMBConvUTF16;
+ typedef wxMBConvUTF32LE wxMBConvUTF32;
+#endif
+
+// ----------------------------------------------------------------------------
// filename conversion macros
-//---------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
// filenames are multibyte on Unix and probably widechar on Windows?
-#if defined(__UNIX__) || defined(__BORLANDC__)
-#define wxMBFILES 1
+#if defined(__UNIX__) || defined(__BORLANDC__) || defined(__WXMAC__ )
+ #define wxMBFILES 1
#else
-#define wxMBFILES 0
+ #define wxMBFILES 0
#endif
-#if wxMBFILES
-#define wxFNCONV(name) wxConvFile.cWX2MB(name)
-#define FNSTRINGCAST MBSTRINGCAST
+#if wxMBFILES && wxUSE_UNICODE
+ #define wxFNCONV(name) wxConvFileName->cWX2MB(name)
+ #define wxFNSTRINGCAST wxMBSTRINGCAST
#else
-#define wxFNCONV(name) name
-#define FNSTRINGCAST WXSTRINGCAST
+#if defined( __WXOSX__ ) && wxMBFILES
+ #define wxFNCONV(name) wxConvFileName->cWC2MB( wxConvLocal.cWX2WC(name) )
+#else
+ #define wxFNCONV(name) name
+#endif
+ #define wxFNSTRINGCAST WXSTRINGCAST
#endif
-#else
- // !wxUSE_WCHAR_T
+#else // !wxUSE_WCHAR_T
-//---------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
// stand-ins in absence of wchar_t
-//---------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
-class WXDLLEXPORT wxMBConv
+class WXDLLIMPEXP_BASE wxMBConv
{
public:
- const char* cMB2WX(const char *psz) const { return psz; }
- const char* cWX2MB(const char *psz) const { return psz; }
+ const char* cMB2WX(const char *psz) const { return psz; }
+ const char* cWX2MB(const char *psz) const { return psz; }
};
-WXDLLEXPORT_DATA(extern wxMBConv) wxConvLibc, wxConvFile;
-WXDLLEXPORT_DATA(extern wxMBConv *) wxConvCurrent;
+
+#define wxConvFile wxConvLocal
+
+extern WXDLLIMPEXP_DATA_BASE(wxMBConv) wxConvLibc,
+ wxConvLocal,
+ wxConvISO8859_1,
+ wxConvUTF8;
+extern WXDLLIMPEXP_DATA_BASE(wxMBConv *) wxConvCurrent;
#define wxFNCONV(name) name
-#define FNSTRINGCAST WXSTRINGCAST
+#define wxFNSTRINGCAST WXSTRINGCAST
#endif
// wxUSE_WCHAR_T
-#endif
+// ----------------------------------------------------------------------------
+// macros for the most common conversions
+// ----------------------------------------------------------------------------
+
+#if wxUSE_UNICODE
+ #define wxConvertWX2MB(s) wxConvCurrent->cWX2MB(s)
+ #define wxConvertMB2WX(s) wxConvCurrent->cMB2WX(s)
+#else // ANSI
+ // no conversions to do
+ #define wxConvertWX2MB(s) (s)
+ #define wxConvertMB2WX(s) (s)
+#endif // Unicode/ANSI
+
+#endif
// _WX_WXSTRCONVH__
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