X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f6bcfd974ef26faf6f91a62cac09827e09463fd1..22d8c8bf43707108cef4c1f9f0f0e103f38285db:/docs/latex/wx/encconv.tex?ds=inline diff --git a/docs/latex/wx/encconv.tex b/docs/latex/wx/encconv.tex index 2bacaf4153..f24df2dd1e 100644 --- a/docs/latex/wx/encconv.tex +++ b/docs/latex/wx/encconv.tex @@ -5,9 +5,20 @@ \section{\class{wxEncodingConverter}}\label{wxencodingconverter} -This class is capable of converting strings between any two +This class is capable of converting strings between two 8-bit encodings/charsets. It can also convert from/to Unicode (but only -if you compiled wxWindows with wxUSE\_WCHAR\_T set to 1). +if you compiled wxWidgets with wxUSE\_WCHAR\_T set to 1). Only a limited subset +of encodings is supported by wxEncodingConverter: +{\tt wxFONTENCODING\_ISO8859\_1..15}, {\tt wxFONTENCODING\_CP1250..1257} and +{\tt wxFONTENCODING\_KOI8}. + +\wxheading{Note} + +Please use \helpref{wxMBConv classes}{mbconvclasses} instead +if possible. \helpref{wxCSConv}{wxcsconv} has much better support for various +encodings than wxEncodingConverter. wxEncodingConverter is useful only +if you rely on {\tt wxCONVERT\_SUBSTITUTE} mode of operation (see +\helpref{Init}{wxencodingconverterinit}). \wxheading{Derived from} @@ -26,17 +37,19 @@ if you compiled wxWindows with wxUSE\_WCHAR\_T set to 1). \latexignore{\rtfignore{\wxheading{Members}}} + \membersection{wxEncodingConverter::wxEncodingConverter}\label{wxencodingconverterwxencodingconverter} \func{}{wxEncodingConverter}{\void} Constructor. + \membersection{wxEncodingConverter::Init}\label{wxencodingconverterinit} \func{bool}{Init}{\param{wxFontEncoding }{input\_enc}, \param{wxFontEncoding }{output\_enc}, \param{int }{method = wxCONVERT\_STRICT}} -Initialize convertion. Both output or input encoding may +Initialize conversion. Both output or input encoding may be wxFONTENCODING\_UNICODE, but only if wxUSE\_ENCODING is set to 1. All subsequent calls to \helpref{Convert()}{wxencodingconverterconvert} will interpret its argument @@ -61,23 +74,62 @@ as input string. \wxheading{Return value} -FALSE if given conversion is impossible, TRUE otherwise +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.) + +\membersection{wxEncodingConverter::CanConvert}\label{wxencodingconvertercanconvert} + +\func{static bool}{CanConvert}{\param{wxFontEncoding }{encIn}, \param{wxFontEncoding }{encOut}} + +Return true if (any text in) multibyte encoding \arg{encIn} can be converted to +another one ({\it encOut}) losslessly. + +Do not call this method with \texttt{wxFONTENCODING\_UNICODE} as either +parameter, it doesn't make sense (always works in one sense and always depends +on the text to convert in the other). + + \membersection{wxEncodingConverter::Convert}\label{wxencodingconverterconvert} -\func{wxString}{Convert}{\param{const wxString\& }{input}} +\constfunc{bool}{Convert}{\param{const char* }{input}, \param{char* }{output}} + +\constfunc{bool}{Convert}{\param{const wchar\_t* }{input}, \param{wchar\_t* }{output}} -\func{void}{Convert}{\param{const wxChar* }{input}, \param{wxChar* }{output}} +\constfunc{bool}{Convert}{\param{const char* }{input}, \param{wchar\_t* }{output}} -\func{void}{Convert}{\param{wxChar* }{str}} +\constfunc{bool}{Convert}{\param{const wchar\_t* }{input}, \param{char* }{output}} -\func{void}{Convert}{\param{const char* }{input}, \param{wxChar* }{output}} +Convert input string according to settings passed to +\helpref{Init}{wxencodingconverterinit} and writes the result to {\it output}. + +\constfunc{bool}{Convert}{\param{char* }{str}} + +\constfunc{bool}{Convert}{\param{wchar\_t* }{str}} + +Convert input string according to settings passed to +\helpref{Init}{wxencodingconverterinit} in-place, i.e. write the result to the +same memory area. + +All of the versions above return \true if the conversion was lossless and +\false if at least one of the characters couldn't be converted and was replaced +with {\tt '?'} in the output. Note that if {\tt wxCONVERT\_SUBSTITUTE} was +passed to \helpref{Init}{wxencodingconverterinit}, substitution is considered +lossless operation. + +\constfunc{wxString}{Convert}{\param{const wxString\& }{input}} + +Convert wxString and return new wxString object. + +\wxheading{Notes} + +You must call \helpref{Init}{wxencodingconverterinit} before using this method! + +{\tt wchar\_t} versions of the method are not available if wxWidgets was compiled +with {\tt wxUSE\_WCHAR\_T} set to 0. -Convert input string according to settings passed to \helpref{Init}{wxencodingconverterinit}. -Note that you must call Init before using Convert! \membersection{wxEncodingConverter::GetPlatformEquivalents}\label{wxencodingconvertergetplatformequivalents} @@ -94,7 +146,7 @@ under given platform. Supported platforms: \item wxPLATFORM\_CURRENT \end{itemize} -wxPLATFORM\_CURRENT means the plaform this binary was compiled for. +wxPLATFORM\_CURRENT means the platform this binary was compiled for. Examples: @@ -132,6 +184,7 @@ item of it. \item Please note that the returned array may contain no items at all. \end{itemize} + \membersection{wxEncodingConverter::GetAllEquivalents}\label{wxencodingconvertergetallequivalents} \func{static wxFontEncodingArray}{GetAllEquivalents}{\param{wxFontEncoding }{enc}}