Re: [wxlua-users] wxLua ANSI to WCHAR (was wxString::ToAscii)

[Victor B. <so...@te...>]

Hi Jonh and Paul,

From8BitData() is static and To8BitData()  mentioned in

(http://sourceforge.net/p/wxlua/mailman/message/32175781/)

but allowing to specify codepage (wxConvISO8859_1 or whatever) would be 
enought

best
victor

----- Original Message ----- 
From: "Victor Bombi" <so...@te...>
To: <wxl...@li...>
Sent: Monday, March 02, 2015 10:58 AM
Subject: [wxlua-users] wxLua ANSI to WCHAR (was wxString::ToAscii)


> This is lua2wx, it seems that it takes utf8 strings instead or ANSI with
> local codepage
> WXLUA_USE_WXSTR_CONVCURRENT 1 should be tried?
>
> ------------------------------------------------------------
> #define WXLUA_USE_WXSTR_CONVUTF8    1
> #define WXLUA_USE_WXSTR_CONVCURRENT 0
>
> // Convert a 8-bit ANSI C Lua String into a wxString
> inline WXDLLIMPEXP_WXLUA wxString lua2wx(const char* luastr)
> {
>    if (luastr == NULL) return wxEmptyString; // check for NULL
>
> #if WXLUA_USE_WXSTR_CONVUTF8
>
>    return wxString(luastr, wxConvUTF8);
>
> #elif WXLUA_USE_WXSTR_CONVCURRENT
>
>    return wxString(luastr, *wxConvCurrent);
>
> #else //!WXLUA_USE_WXSTR_CONVCURRENT
>    #if wxUSE_UNICODE
>        wxString str(luastr, wxConvUTF8);
>    #else
>        wxString str(wxConvUTF8.cMB2WC(luastr), *wxConvCurrent);
>    #endif // wxUSE_UNICODE
>
>        if (str.IsEmpty())
>            str = wxConvertMB2WX(luastr); // old way that mostly works
>
>        return str;
> #endif //WXLUA_USE_WXSTR_CONVCURRENT
> }
> --------------------------------------------------------------
>
> As an example compare wxLua with iconv:
> It seems wxLua dont take ANSI but UTF-8
> --------------------------------------------------
> local iconv = require("iconv")
> oldprint = print
> require"wx"
> print=oldprint
> local str = ""
> for i=0,255 do
> str = str .. string.char(i)
> end
> local cd = iconv.new("utf-8" .. "//TRANSLIT", "iso-8859-1")--IGNORE
> --local cd = iconv.new("iso-8859-1" .. "//TRANSLIT", "utf-8")
> assert(cd, "Failed to create a converter object.")
>
>
> function showerr(err)
>  if err == iconv.ERROR_INCOMPLETE then
>    print("ERROR: Incomplete input.")
>  elseif err == iconv.ERROR_INVALID then
>    print("ERROR: Invalid input.")
>  elseif err == iconv.ERROR_NO_MEMORY then
>    print("ERROR: Failed to allocate memory.")
>  elseif err == iconv.ERROR_UNKNOWN then
>    print("ERROR: There was an unknown error.")
>  end
> end
>
>
> for i=1,#str do
> local char = tostring(str:byte(i))
> --ANSI to UTF8
> local conv ,err= cd:iconv(str:sub(i,i))
> showerr(err)
> print(str:byte(i) , conv:byte(1,#conv))
> --ANSI to UTF8 in wx
> local convwx = wx.wxString(str:sub(i,i)):GetData()
> print(str:byte(i) , convwx:byte(1,#convwx))
> --UTF8 to UTF8 in wx
> local convwx2 = wx.wxString(conv):GetData()
> print(str:byte(i) , convwx2:byte(1,#convwx2))
> end
>
>
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