boost_1_45_0/libs/filesystem/v3/example/path_info.cpp

//  path_info.cpp  ---------------------------------------------------------------------//

//  Copyright Beman Dawes 2009

//  Distributed under the Boost Software License, Version 1.0.
//  See http://www.boost.org/LICENSE_1_0.txt

//  Library home page: http://www.boost.org/libs/filesystem

#include <iostream>
#include <boost/filesystem.hpp>
using namespace std;
using namespace boost::filesystem;

const char * say_what(bool b) { return b ? "true" : "false"; }

int main(int argc, char* argv[])
{
  if (argc < 2)
  {
    cout << "Usage: path_info path-portion...\n"
             "Example: path_info foo/bar baz\n"
#            ifdef BOOST_POSIX_API
             "         would report info about the composed path foo/bar/baz\n";
#            else  // BOOST_WINDOWS_API
             "         would report info about the composed path foo/bar\\baz\n";
#            endif
    return 1;
  }

  path p;  //  compose a path from the command line arguments

  for (; argc > 1; --argc, ++argv)
    p /= argv[1];

  cout  <<  "\ncomposed path:\n";
  cout  <<  "  cout << -------------: " << p << "\n";
  cout  <<  "  make_preferred()----------: " << path(p).make_preferred() << "\n";

  cout << "\nelements:\n";

  for (path::iterator it(p.begin()), it_end(p.end()); it != it_end; ++it)
    cout << "  " << *it << '\n';

  cout  <<  "\nobservers, native format:" << endl;
# ifdef BOOST_POSIX_API
  cout  <<  "  native()-------------: " << p.native() << endl;
  cout  <<  "  c_str()--------------: " << p.c_str() << endl;
# else  // BOOST_WINDOWS_API
  wcout << L"  native()-------------: " << p.native() << endl;
  wcout << L"  c_str()--------------: " << p.c_str() << endl;
# endif
  cout  <<  "  string()-------------: " << p.string() << endl;
  wcout << L"  wstring()------------: " << p.wstring() << endl;

  cout  <<  "\nobservers, generic format:\n";
  cout  <<  "  generic_string()-----: " << p.generic_string() << endl;
  wcout << L"  generic_wstring()----: " << p.generic_wstring() << endl;

  cout  <<  "\ndecomposition:\n";
  cout  <<  "  root_name()----------: " << p.root_name() << '\n';
  cout  <<  "  root_directory()-----: " << p.root_directory() << '\n';
  cout  <<  "  root_path()----------: " << p.root_path() << '\n';
  cout  <<  "  relative_path()------: " << p.relative_path() << '\n';
  cout  <<  "  parent_path()--------: " << p.parent_path() << '\n';
  cout  <<  "  filename()-----------: " << p.filename() << '\n';
  cout  <<  "  stem()---------------: " << p.stem() << '\n';
  cout  <<  "  extension()----------: " << p.extension() << '\n';

  cout  <<  "\nquery:\n";
  cout  <<  "  empty()--------------: " << say_what(p.empty()) << '\n';
  cout  <<  "  is_absolute()--------: " << say_what(p.is_absolute()) << '\n';
  cout  <<  "  has_root_name()------: " << say_what(p.has_root_name()) << '\n';
  cout  <<  "  has_root_directory()-: " << say_what(p.has_root_directory()) << '\n';
  cout  <<  "  has_root_path()------: " << say_what(p.has_root_path()) << '\n';
  cout  <<  "  has_relative_path()--: " << say_what(p.has_relative_path()) << '\n';
  cout  <<  "  has_parent_path()----: " << say_what(p.has_parent_path()) << '\n';
  cout  <<  "  has_filename()-------: " << say_what(p.has_filename()) << '\n';
  cout  <<  "  has_stem()-----------: " << say_what(p.has_stem()) << '\n';
  cout  <<  "  has_extension()------: " << say_what(p.has_extension()) << '\n';

  return 0;
}