// font encodings
// Author: Vaclav Slavik
// Copyright: (c) 1999 Vaclav Slavik
-// Licence: wxWindows Licence
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_ENCCONV_H_
#define _WX_ENCCONV_H_
-#if defined(__GNUG__) && !defined(__APPLE__)
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma interface "encconv.h"
#endif
// 8bit encodings/charsets. It can also convert from/to Unicode
//--------------------------------------------------------------------------------
-class WXDLLEXPORT_BASE wxEncodingConverter : public wxObject
+class WXDLLIMPEXP_BASE wxEncodingConverter : public wxObject
{
public:
// both modes gurantee that output string will have same length
// as input string
//
- // Returns FALSE if given conversion is impossible, TRUE otherwise
+ // Returns false if given conversion is impossible, true otherwise
// (conversion may be impossible either if you try to convert
- // to Unicode with non-Unicode build of wxWindows or if input
+ // to Unicode with non-Unicode build of wxWidgets or if input
// or output encoding is not supported.)
bool Init(wxFontEncoding input_enc, wxFontEncoding output_enc, int method = wxCONVERT_STRICT);
// Convert input string according to settings passed to Init.
// Note that you must call Init before using Convert!
- void Convert(const char* input, char* output);
- void Convert(char* str) { Convert(str, str); }
- wxString Convert(const wxString& input);
+ void Convert(const char* input, char* output) const;
+ void Convert(char* str) const { Convert(str, str); }
+ wxString Convert(const wxString& input) const;
#if wxUSE_WCHAR_T
- void Convert(const char* input, wchar_t* output);
- void Convert(const wchar_t* input, char* output);
- void Convert(const wchar_t* input, wchar_t* output);
- void Convert(wchar_t* str) { Convert(str, str); }
+ void Convert(const char* input, wchar_t* output) const;
+ void Convert(const wchar_t* input, char* output) const;
+ void Convert(const wchar_t* input, wchar_t* output) const;
+ void Convert(wchar_t* str) const { Convert(str, str); }
#endif
// Return equivalent(s) for given font that are used
// under given platform. wxPLATFORM_CURRENT means the plaform
// equivalent encodings, regardless the platform, including itself.
static wxFontEncodingArray GetAllEquivalents(wxFontEncoding enc);
+ // Return true if [any text in] one multibyte encoding can be
+ // converted to another one losslessly.
+ //
+ // Do not call this with wxFONTENCODING_UNICODE, it doesn't make
+ // sense (always works in one sense and always depends on the text
+ // to convert in the other)
+ static bool CanConvert(wxFontEncoding encIn, wxFontEncoding encOut)
+ {
+ return GetAllEquivalents(encIn).Index(encOut) != wxNOT_FOUND;
+ }
+
private:
#if wxUSE_WCHAR_T