language.cpp

来自「一个类似STL的自动机的源代码库」· C++ 代码 · 共 38 行

#include <astl.h>
#include <ccopy.h>
#include <language.h>
#include <iostream>
#include <string>

using namespace std;

void usage(const string &exe)
{
  cerr << "Usage: " << exe << " [type]" << endl;
  cerr << "  dump the language recognized by the DFA read from stdin" << endl;
  cerr << "   type\talphabet type, char (default) or string" << endl;
  exit(1);
}

int main(int argc, char** argv)
{
  if (argc > 2) usage(argv[0]);
  if (argc == 2)
    if (string("string") == argv[1]) {

#if defined(__GNUG__) && __GNUG__ < 3
      clone_cursor<string_char_traits<string> > input(cin);
#else
      clone_cursor<char_traits<string> > input(cin);
#endif

      language(cout, input);
      return 0;
    }
    else usage(argv[0]);

  clone_cursor<plain> input(cin);
  language(cout, input);
  return 0;
}