iconv.cpp

Example: iconv.cpp application

#include <cxxtools/arg.h>
#include <cxxtools/iconverter.h>
#include <cxxtools/loginit.h>
#include <iostream>
#include <fstream>

/**
 * synopsis:
 *   iconv -f UTF8 -t LATIN1 -i file
 *     prints UTF8-file to std::cout as LATIN1
 *
 *   iconf -f LATIN1 -t ISO8859-1 'some text'
 *     prints 'some text' in ISO8859-1 to std::cout
 *       (bad example - same as <echo 'some text'>, because
 *        conversion does not change anything, but it is difficult to
 *        show a better one)
 *
 *   iconv <file
     prints UTF8-file to std::cout as LATIN1 (default conversion)
 */

int main(int argc, char* argv[])
{
  try
  {
    log_init();

    cxxtools::Arg<const char*> from(argc, argv, 'f', "UTF8");
    cxxtools::Arg<const char*> to(argc, argv, 't', "LATIN1");
    cxxtools::Arg<const char*> infile(argc, argv, 'i');  // inputfile

    if (infile.isSet())
    {
      // read from file
      std::ifstream in(infile);
      cxxtools::iconvstream ic(std::cout, to, from);
      ic << in.rdbuf();
    }

    if (argc > 1)
    {
      // convert arguments to cout
      cxxtools::IConverter ic(to.getValue(), from.getValue());
      for (int a = 1; a < argc; ++a)
        std::cout << ic.convert(argv[a]);
    }

    if (!infile.isSet() && argc <= 1)
    {
      // filter cin to cout
      cxxtools::iconvstream ic(std::cout, to, from);
      ic << std::cin.rdbuf();
    }
  }
  catch (const std::exception& e)
  {
    std::cerr << e.what() << std::endl;
    return 1;
  }
}