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// file : tests/standard-version/driver.cxx -*- C++ -*-
// copyright : Copyright (c) 2014-2017 Code Synthesis Ltd
// license : MIT; see accompanying LICENSE file
#include <ios> // ios::failbit, ios::badbit
#include <string>
#include <cassert>
#include <iostream>
#include <stdexcept> // invalid_argument
#include <butl/utility> // operator<<(ostream,exception)
#include <butl/standard-version>
using namespace std;
using namespace butl;
// Create standard version from string, and also test another ctors.
//
static standard_version
version (const string& s,
standard_version::flags f =
standard_version::allow_earliest | standard_version::allow_stub)
{
standard_version r (s, f);
try
{
standard_version v (r.epoch,
r.version,
r.snapshot ()
? r.string_snapshot ()
: string (),
r.revision,
f);
assert (r == v);
if (r.epoch == 0 && r.revision == 0)
{
standard_version v (r.version,
r.snapshot ()
? r.string_snapshot ()
: string (),
f);
assert (r == v);
if (!r.snapshot ())
{
standard_version v (r.version, f);
assert (r == v);
}
}
if (r.snapshot ())
{
standard_version v (r.epoch,
r.version,
r.snapshot_sn,
r.snapshot_id,
r.revision,
f);
assert (r == v);
}
}
catch (const invalid_argument& e)
{
cerr << e << endl;
assert (false);
}
return r;
}
// Usages:
//
// argv[0] -a <version>
// argv[0] -b <version>
// argv[0] -c <version> <version>
// argv[0] -r
// argv[0] -s <version> <constraint>
// argv[0]
//
// -a output 'y' for alpha-version, 'n' otherwise
// -b output 'y' for beta-version, 'n' otherwise
// -c output 0 if versions are equal, -1 if the first one is less, 1 otherwise
// -r create version constraints from STDIN lines, and print them to STDOUT
// -s output 'y' if version satisfies constraint, 'n' otherwise
//
// If no options are specified, then create versions from STDIN lines, and
// print them to STDOUT.
//
int
main (int argc, char* argv[])
try
{
cin.exceptions (ios::badbit);
cout.exceptions (ios::failbit | ios::badbit);
if (argc > 1)
{
string o (argv[1]);
if (o == "-a")
{
assert (argc == 3);
char r (version (argv[2]).alpha () ? 'y' : 'n');
cout << r << endl;
}
else if (o == "-b")
{
assert (argc == 3);
char r (version (argv[2]).beta () ? 'y' : 'n');
cout << r << endl;
}
else if (o == "-c")
{
assert (argc == 4);
int r (version (argv[2]).compare (version (argv[3])));
cout << r << endl;
}
else if (o == "-r")
{
assert (argc == 2);
string s;
while (getline (cin, s))
cout << standard_version_constraint (s) << endl;
}
else if (o == "-s")
{
assert (argc == 4);
char r (standard_version_constraint (argv[3]).satisfies (
version (argv[2])) ? 'y' : 'n');
cout << r << endl;
}
else
assert (false);
return 0;
}
string s;
while (getline (cin, s))
cout << (s.empty () ? standard_version () : version (s)) << endl;
return 0;
}
catch (const invalid_argument& e)
{
cerr << e << endl;
return 1;
}
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