arabica/Utils/rot13codecvt.h
2003-08-29 13:37:59 +00:00

62 lines
1.8 KiB
C++

#ifndef ARABICA_ROT13_CODECVT_H
#define ARABICA_ROT13_CODECVT_H
///////////////////////////////////////////
//
// $Id$
//
///////////////////////////////////////////
#include <locale>
class rot13codecvt : public std::codecvt<char, char, std::char_traits<char>::state_type>
{
public:
typedef std::char_traits<char>::state_type state_t;
protected:
virtual ~rot13codecvt() { }
virtual result do_out(state_t& state,
const char* from,
const char* from_end,
const char*& from_next,
char* to,
char* to_limit,
char*& to_next) const
{ return rot13(from, from_end, from_next, to, to_limit, to_next); }
virtual result do_in(state_t& state,
const char* from,
const char* from_end,
const char*& from_next,
char* to,
char* to_limit,
char*& to_next) const
{ return rot13(from, from_end, from_next, to, to_limit, to_next); }
virtual result do_unshift(state_t& state,
char* to,
char* to_limit,
char*& to_next) const;
virtual int do_encoding() const throw() { return 1; }
virtual bool do_always_noconv() const throw() { return false; }
virtual int do_length(const state_t&,
const char* from,
const char* end,
size_t max) const;
virtual int do_max_length() const throw() { return 1; }
private:
result rot13(const char* from,
const char* from_end,
const char*& from_next,
char* to,
char* to_limit,
char*& to_next) const;
}; // class rot13codecvt
#endif