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added CanConvert()

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@24172 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2003-10-13 23:47:22 +00:00
parent 19da49fcd0
commit 5bc97d1b81
2 changed files with 28 additions and 0 deletions
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17
docs/latex/wx/encconv.tex
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@@ -37,12 +37,14 @@ if you rely on {\tt wxCONVERT\_SUBSTITUTE} mode of operation (see
\latexignore{\rtfignore{\wxheading{Members}}} \latexignore{\rtfignore{\wxheading{Members}}}
\membersection{wxEncodingConverter::wxEncodingConverter}\label{wxencodingconverterwxencodingconverter} \membersection{wxEncodingConverter::wxEncodingConverter}\label{wxencodingconverterwxencodingconverter}
\func{}{wxEncodingConverter}{\void} \func{}{wxEncodingConverter}{\void}
Constructor. Constructor.
\membersection{wxEncodingConverter::Init}\label{wxencodingconverterinit} \membersection{wxEncodingConverter::Init}\label{wxencodingconverterinit}
\func{bool}{Init}{\param{wxFontEncoding }{input\_enc}, \param{wxFontEncoding }{output\_enc}, \param{int }{method = wxCONVERT\_STRICT}} \func{bool}{Init}{\param{wxFontEncoding }{input\_enc}, \param{wxFontEncoding }{output\_enc}, \param{int }{method = wxCONVERT\_STRICT}}
@@ -77,6 +79,19 @@ false if given conversion is impossible, true otherwise
to Unicode with non-Unicode build of wxWindows or if input to Unicode with non-Unicode build of wxWindows or if input
or output encoding is not supported.) 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} \membersection{wxEncodingConverter::Convert}\label{wxencodingconverterconvert}
\constfunc{void}{Convert}{\param{const char* }{input}, \param{char* }{output}} \constfunc{void}{Convert}{\param{const char* }{input}, \param{char* }{output}}
@@ -109,6 +124,7 @@ You must call \helpref{Init}{wxencodingconverterinit} before using this method!
{\tt wchar\_t} versions of the method are not available if wxWindows was compiled {\tt wchar\_t} versions of the method are not available if wxWindows was compiled
with {\tt wxUSE\_WCHAR\_T} set to 0. with {\tt wxUSE\_WCHAR\_T} set to 0.
\membersection{wxEncodingConverter::GetPlatformEquivalents}\label{wxencodingconvertergetplatformequivalents} \membersection{wxEncodingConverter::GetPlatformEquivalents}\label{wxencodingconvertergetplatformequivalents}
\func{static wxFontEncodingArray}{GetPlatformEquivalents}{\param{wxFontEncoding }{enc}, \param{int }{platform = wxPLATFORM\_CURRENT}} \func{static wxFontEncodingArray}{GetPlatformEquivalents}{\param{wxFontEncoding }{enc}, \param{int }{platform = wxPLATFORM\_CURRENT}}
@@ -162,6 +178,7 @@ item of it.
\item Please note that the returned array may contain no items at all. \item Please note that the returned array may contain no items at all.
\end{itemize} \end{itemize}
\membersection{wxEncodingConverter::GetAllEquivalents}\label{wxencodingconvertergetallequivalents} \membersection{wxEncodingConverter::GetAllEquivalents}\label{wxencodingconvertergetallequivalents}
\func{static wxFontEncodingArray}{GetAllEquivalents}{\param{wxFontEncoding }{enc}} \func{static wxFontEncodingArray}{GetAllEquivalents}{\param{wxFontEncoding }{enc}}

11
include/wx/encconv.h
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@@ -138,6 +138,17 @@ class WXDLLIMPEXP_BASE wxEncodingConverter : public wxObject
// equivalent encodings, regardless the platform, including itself. // equivalent encodings, regardless the platform, including itself.
static wxFontEncodingArray GetAllEquivalents(wxFontEncoding enc); 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).Find(encOut) != wxNOT_FOUND;
}
private: private:
#if wxUSE_WCHAR_T #if wxUSE_WCHAR_T