{

o << "This program requires exactly one argument:\n";

o << "The path of the xml file to clean.\n";

o << "The cleaned file will be output to stdout.";

{

if(argc != 2)

{

printUsage(std::cerr);

return 1;

}

auto const input_file_name = argv[1];

pugi::xml_document xml_doc;

auto const flags =

pugi::parse_doctype

| pugi::parse_cdata

| pugi::parse_ws_pcdata_single

| pugi::parse_eol

| pugi::parse_wnorm_attribute;

auto const encoding = pugi::encoding_utf8;

auto const parse_result = xml_doc.load_file(input_file_name, flags, encoding);

if( ! parse_result)

{

std::cerr << "Parsing the xml document failed:\n"

<< parse_result.description() << "\n";

return 2;

}

cleanup_traverser m{};

m.traverse_document(xml_doc);

m.write(std::cout);