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// file : tests/test/script/runner/driver.cxx -*- C++ -*-
// copyright : Copyright (c) 2014-2016 Code Synthesis Ltd
// license : MIT; see accompanying LICENSE file
#include <limits> // numeric_limits
#include <string>
#include <cassert>
#include <ostream> // endl, *bit
#include <istream> // istream::traits_type::eof()
#include <iostream>
#include <exception>
#include <butl/path>
#include <butl/fdstream>
#include <butl/filesystem>
using namespace std;
using namespace butl;
int
main (int argc, char* argv[])
{
// Usage: driver [-i <int>] [-s <int>] (-o <string>)* (-e <string>)*
// (-f <file>)* (-d <dir>)*
//
int status (256);
int ifd (3);
cout.exceptions (ostream::failbit | ostream::badbit);
cerr.exceptions (ostream::failbit | ostream::badbit);
for (int i (1); i < argc; ++i)
{
string o (argv[i++]);
assert (i < argc);
string v (argv[i]);
auto toi = [] (const string& s) -> int
{
int r (-1);
try
{
size_t n;
r = stoi (s, &n);
assert (n == s.size ());
}
catch (const exception&)
{
assert (false);
}
return r;
};
if (o == "-i")
{
assert (ifd == 3); // Make sure is not set yet.
ifd = toi (v);
assert (ifd >= 0 && ifd < 3);
if (ifd == 0)
cin.ignore (numeric_limits<streamsize>::max ());
else if (cin.peek () != istream::traits_type::eof ())
(ifd == 1 ? cout : cerr) << cin.rdbuf ();
}
else if (o == "-o")
{
cout << v << endl;
}
else if (o == "-e")
{
cerr << v << endl;
}
else if (o == "-s")
{
assert (status == 256); // Make sure is not set yet.
status = toi (v);
assert (status >= 0 && status < 256);
}
else if (o == "-f")
{
ofdstream os (v);
os.close ();
}
else if (o == "-d")
{
try_mkdir_p (dir_path (v));
}
else
assert (false);
}
return status == 256 ? 0 : status;
}
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