dl-fldigi/src/include/charsetdistiller.h

56 wiersze
1.9 KiB
C++

// ----------------------------------------------------------------------------
// charsetdistiller.h -- input charset cleaning and conversion
//
// Copyright (C) 2012
// Andrej Lajovic, S57LN
//
// This file is part of fldigi.
//
// Fldigi is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Fldigi 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with fldigi. If not, see <http://www.gnu.org/licenses/>.
// ----------------------------------------------------------------------------
#ifndef CHARSETDISTILLER_H
#define CHARSETDISTILLER_H
#include <string>
#include "tiniconv.h"
class CharsetDistiller
{
public:
CharsetDistiller(const int charset_in = TINICONV_CHARSET_UTF_8);
int set_input_encoding(const int charset_in);
void rx(const unsigned char c);
void rx(const unsigned char *c);
void flush();
void reset(void);
void clear(void);
int data_length(void);
int num_chars(void);
const std::string &data(void);
private:
void process_buffer(void);
void shift_first_out();
unsigned char buf[6]; // input buffer
unsigned char *bufptr; // points to the next unused byte in the buffer
tiniconv_ctx_s ctx; // libtiniconv conversion state for input encoding -> UTF-8
tiniconv_ctx_s ctx1252; // libtiniconv conversion state for CP1252 -> UTF-8
std::string outdata; // valid data
int nutf8; // number of UTF-8 characters in the output buffer
};
#endif