src/iconv.h

   1 ///
   2 /// \file       iconv.h
   3 ///             iconv wrapper class, and pluggable interface for records
   4 ///
   5
   6 /*
   7     Copyright (C) 2008-2009, Net Direct Inc. (http://www.netdirect.ca/)
   8
   9     This program is free software; you can redistribute it and/or modify
  10     it under the terms of the GNU General Public License as published by
  11     the Free Software Foundation; either version 2 of the License, or
  12     (at your option) any later version.
  13
  14     This program is distributed in the hope that it will be useful,
  15     but WITHOUT ANY WARRANTY; without even the implied warranty of
  16     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  17
  18     See the GNU General Public License in the COPYING file at the
  19     root directory of this project for more details.
  20 */
  21
  22 #ifndef __BARRY_ICONV_H__
  23 #define __BARRY_ICONV_H__
  24
  25 #include "dll.h"
  26 #include "data.h"
  27 #include <iconv.h>
  28 #include <string>
  29
  30 namespace Barry {
  31
  32 class BXEXPORT IConverter
  33 {
  34         iconv_t m_from;
  35         iconv_t m_to;
  36
  37         // internal buffer for fast conversions
  38         mutable Data m_buffer;
  39
  40         bool m_throw_on_conv_err;
  41
  42 private:
  43         std::string Convert(iconv_t cd, const std::string &str) const;
  44
  45 public:
  46         /// Always throws ErrnoError if unable to open iconv.
  47         /// If throw_on_conv_err is true, then string conversion operations
  48         /// that fail will also throw ErrnoError.
  49         explicit IConverter(const char *tocode = "UTF-8", bool throw_on_conv_err = false);
  50         ~IConverter();
  51
  52         std::string FromBB(const std::string &str) const;
  53         std::string ToBB(const std::string &str) const;
  54 };
  55
  56 } // namespace Barry
  57
  58 #endif
  59