X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/bddd7a8d8953cf4c09e56c13e1bfcc594ba0267e..3db5226517a63bcdc983e638f1a312764fe1312f:/include/wx/encconv.h diff --git a/include/wx/encconv.h b/include/wx/encconv.h index c4b19562bb..4639f48638 100644 --- a/include/wx/encconv.h +++ b/include/wx/encconv.h @@ -4,20 +4,14 @@ // 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__) -#pragma interface "encconv.h" -#endif - #include "wx/defs.h" -#if wxUSE_FONTMAP - #include "wx/object.h" #include "wx/fontenc.h" #include "wx/dynarray.h" @@ -85,23 +79,23 @@ class WXDLLIMPEXP_BASE wxEncodingConverter : public wxObject // 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); + bool Convert(const char* input, char* output) const; + bool Convert(char* str) const { return 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); } + bool Convert(const char* input, wchar_t* output) const; + bool Convert(const wchar_t* input, char* output) const; + bool Convert(const wchar_t* input, wchar_t* output) const; + bool Convert(wchar_t* str) const { return Convert(str, str); } #endif // Return equivalent(s) for given font that are used // under given platform. wxPLATFORM_CURRENT means the plaform @@ -138,6 +132,17 @@ class WXDLLIMPEXP_BASE wxEncodingConverter : public wxObject // 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 @@ -151,6 +156,4 @@ class WXDLLIMPEXP_BASE wxEncodingConverter : public wxObject DECLARE_NO_COPY_CLASS(wxEncodingConverter) }; -#endif // wxUSE_FONTMAP - #endif // _WX_ENCCONV_H_