68 lines
2.5 KiB
C++
68 lines
2.5 KiB
C++
// char_converter.hh
|
|
// This file is part of libpbe; see http://anyterm.org/
|
|
// (C) 2008 Philip Endecott
|
|
|
|
// Distributed under the Boost Software License, Version 1.0:
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person or organization
|
|
// obtaining a copy of the software and accompanying documentation covered by
|
|
// this license (the "Software") to use, reproduce, display, distribute,
|
|
// execute, and transmit the Software, and to prepare derivative works of the
|
|
// Software, and to permit third-parties to whom the Software is furnished to
|
|
// do so, all subject to the following:
|
|
//
|
|
// The copyright notices in the Software and this entire statement, including
|
|
// the above license grant, this restriction and the following disclaimer,
|
|
// must be included in all copies of the Software, in whole or in part, and
|
|
// all derivative works of the Software, unless such copies or derivative
|
|
// works are solely in the form of machine-executable object code generated by
|
|
// a source language processor.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
|
|
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
|
|
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
|
|
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
|
// DEALINGS IN THE SOFTWARE.
|
|
|
|
#ifndef libpbe_charset_char_converter_hh
|
|
#define libpbe_charset_char_converter_hh
|
|
|
|
#include "charset_t.hh"
|
|
#include "charset_traits.hh"
|
|
#include "char_conv.hh"
|
|
#include "error_policy.hh"
|
|
|
|
|
|
namespace pbe {
|
|
|
|
// Stateful functor for character conversion
|
|
// -----------------------------------------
|
|
//
|
|
// The function template char_conv takes state variables for the input and output,
|
|
// in case they are stateful.
|
|
// A simplified interface is provided by this functor, which keeps the state
|
|
// internally from one call to the next.
|
|
|
|
template <charset_t from_cs, charset_t to_cs, typename error_policy = default_error_policy>
|
|
class char_converter {
|
|
typedef charset_traits<from_cs> from_traits;
|
|
typedef charset_traits<to_cs> to_traits;
|
|
|
|
typename from_traits::state_t from_state;
|
|
typename to_traits::state_t to_state;
|
|
|
|
public:
|
|
char_conv<from_cs,to_cs,error_policy> cc;
|
|
typename to_traits::char_t operator()(typename from_traits::char_t c) {
|
|
return cc ( c, from_state, to_state );
|
|
}
|
|
|
|
// TODO flush, perhaps reset.
|
|
};
|
|
|
|
};
|
|
|
|
#endif
|