1 files changed, 93 insertions, 0 deletions
diff --git a/src/ixion_sorter.cpp b/src/ixion_sorter.cpp
new file mode 100644
index 0000000..619cf9e
--- /dev/null
+++ b/src/ixion_sorter.cpp
@@ -0,0 +1,93 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include "sort_input_parser.hpp"
+
+#include <cstdlib>
+#include <string>
+#include <vector>
+#include <iostream>
+
+#include <boost/program_options.hpp>
+
+using namespace std;
+
+namespace po = ::boost::program_options;
+
+void print_help(const po::options_description& desc)
+{
+    cout << "Usage: ixion-parser [options] FILE" << endl
+        << endl
+        << "FILE must contain a list of dependencies." << endl << endl
+        << desc;
+}
+
+int main (int argc, char** argv)
+{
+    po::options_description desc("Allowed options");
+    desc.add_options()
+        ("help,h", "print this help.");
+
+    po::options_description hidden("Hidden options");
+    hidden.add_options()
+        ("input-file", po::value<vector<string>>(), "input file");
+
+    po::options_description cmd_opt;
+    cmd_opt.add(desc).add(hidden);
+
+    po::positional_options_description po_desc;
+    po_desc.add("input-file", -1);
+
+    po::variables_map vm;
+    try
+    {
+        po::store(
+            po::command_line_parser(argc, argv).options(cmd_opt).positional(po_desc).run(), vm);
+        po::notify(vm);
+    }
+    catch (const exception& e)
+    {
+        // Unknown options.
+        cerr << e.what() << endl;
+        print_help(desc);
+        return EXIT_FAILURE;
+    }
+
+    if (vm.count("help"))
+    {
+        print_help(desc);
+        return EXIT_SUCCESS;
+    }
+
+    vector<string> files;
+    if (vm.count("input-file"))
+        files = vm["input-file"].as<vector<string>>();
+
+    if (files.size() != 1)
+    {
+        cerr << "Takes exactly one input file." << endl;
+        print_help(desc);
+        return EXIT_FAILURE;
+    }
+
+    const string& filepath = files[0];
+    try
+    {
+        ::ixion::sort_input_parser parser(filepath);
+        parser.parse();
+        parser.print();
+    }
+    catch (const exception& e)
+    {
+        // Unknown options.
+        cerr << e.what() << endl;
+        return EXIT_FAILURE;
+    }
+
+    return EXIT_SUCCESS;
+}
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */