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/********************************************************************************
* *
* U n i c o d e T e x t C o d e c *
* *
*********************************************************************************
* Copyright (C) 2002,2022 by L.Johnson & J.van der Zijp. All Rights Reserved. *
*********************************************************************************
* This library is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Lesser General Public License as published by *
* the Free Software Foundation; either version 3 of the License, or *
* (at your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public License *
* along with this program. If not, see <http://www.gnu.org/licenses/> *
********************************************************************************/
#ifndef FXTEXTCODEC_H
#define FXTEXTCODEC_H
#ifndef FXOBJECT_H
#include "FXObject.h"
#endif
namespace FX {
/**
* Abstract base class for a stateless coder/decoder.
*/
class FXAPI FXTextCodec : public FXObject {
FXDECLARE_ABSTRACT(FXTextCodec)
public:
/// Construct text codec
FXTextCodec(){}
/// Count utf8 bytes needed to convert multi-byte characters from src
virtual FXint mb2utflen(const FXchar* src,FXint nsrc) const;
/// Count utf8 bytes needed to convert multi-byte characters from src
FXint mb2utflen(const FXString& src) const;
/// Convert multi-byte characters from src to utf8 characters at dst
virtual FXint mb2utf(FXchar* dst,FXint ndst,const FXchar* src,FXint nsrc) const;
/// Convert multi-byte characters from src to utf8 characters at dst
FXint mb2utf(FXchar* dst,FXint ndst,const FXchar* src) const;
/// Convert multi-byte characters from src to utf8 characters at dst
FXint mb2utf(FXchar* dst,FXint ndst,const FXString& src) const;
/// Convert multi-byte characters from src to utf8 string
FXString mb2utf(const FXchar* src,FXint nsrc) const;
/// Convert multi-byte characters from src to utf8 string
FXString mb2utf(const FXchar* src) const;
/// Convert multi-byte string to utf8 string
FXString mb2utf(const FXString& src) const;
/// Convert multi-byte characters from src to single wide character
virtual FXint mb2wc(FXwchar& wc,const FXchar* src,FXint nsrc) const;
/// Count multi-byte characters characters needed to convert utf8 from src
virtual FXint utf2mblen(const FXchar* src,FXint nsrc) const;
/// Count multi-byte characters characters needed to convert utf8 from src
virtual FXint utf2mblen(const FXString& src) const;
/// Convert utf8 characters at src to multi-byte characters at dst
virtual FXint utf2mb(FXchar* dst,FXint ndst,const FXchar* src,FXint nsrc) const;
/// Convert utf8 characters at src to multi-byte characters at dst
FXint utf2mb(FXchar* dst,FXint ndst,const FXchar* src) const;
/// Convert utf8 characters at src to multi-byte characters at dst
FXint utf2mb(FXchar* dst,FXint ndst,const FXString& src) const;
/// Convert utf8 characters at src to multi-byte string
FXString utf2mb(const FXchar* src,FXint nsrc) const;
/// Convert utf8 characters at src to multi-byte string
FXString utf2mb(const FXchar* src) const;
/// Convert utf8 string to multi-byte string
FXString utf2mb(const FXString& src) const;
/// Convert single wide character to multi-byte characters at dst
virtual FXint wc2mb(FXchar* dst,FXint ndst,FXwchar wc) const;
/**
* Return the Management Information Base (MIBenum) for the character set.
*/
virtual FXint mibEnum() const = 0;
/**
* Return name of the codec.
*/
virtual const FXchar* name() const = 0;
/**
* Return the IANA mime name for this codec; this is used for example
* as "text/utf-8" in drag and drop protocols.
*/
virtual const FXchar* mimeName() const = 0;
/**
* Return NULL-terminated list of aliases for this codec.
*/
virtual const FXchar* const* aliases() const = 0;
/// Destruct codec
virtual ~FXTextCodec(){}
};
}
#endif
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