1 files changed, 134 insertions, 0 deletions
diff --git a/src/ixion_parser.cpp b/src/ixion_parser.cpp
new file mode 100644
index 0000000..d6ace96
--- /dev/null
+++ b/src/ixion_parser.cpp
@@ -0,0 +1,134 @@
+/* -*- 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 "model_parser.hpp"
+#include "app_common.hpp"
+
+#include <string>
+#include <vector>
+#include <iostream>
+#include <thread>
+
+#include <boost/program_options.hpp>
+
+using namespace std;
+using namespace ixion;
+
+namespace {
+
+class parse_file
+{
+    const size_t m_thread_count;
+public:
+    parse_file(size_t thread_count) : m_thread_count(thread_count) {}
+
+    void operator() (const string& fpath) const
+    {
+        double start_time = get_current_time();
+        cout << detail::get_formula_result_output_separator() << endl;
+        cout << "parsing " << fpath << endl;
+
+        try
+        {
+            model_parser parser(fpath, m_thread_count);
+            parser.parse();
+        }
+        catch (const exception& e)
+        {
+            cerr << e.what() << endl;
+            cerr << "failed to parse " << fpath << endl;
+            throw;
+        }
+
+        cout << detail::get_formula_result_output_separator() << endl;
+        cout << "(duration: " << get_current_time() - start_time << " sec)" << endl;
+        cout << detail::get_formula_result_output_separator() << endl;
+    }
+};
+
+const char* help_thread =
+"Specify the number of threads to use for calculation.  Note that the number "
+"specified by this option corresponds with the number of calculation threads "
+"i.e. those child threads that perform cell interpretations. The main thread "
+"does not perform any calculations; instead, it creates a new child thread to "
+"manage the calculation threads, the number of which is specified by the arg. "
+"Therefore, the total number of threads used by this program will be arg + 1."
+;
+
+}
+
+int main (int argc, char** argv)
+{
+    namespace po = ::boost::program_options;
+
+    size_t thread_count = 0;
+    po::options_description desc("Allowed options");
+    desc.add_options()
+        ("help,h", "Print this help.")
+        ("thread,t", po::value<size_t>(), help_thread);
+
+    po::options_description hidden("Hidden options");
+    hidden.add_options()
+        ("input-file", po::value<std::vector<std::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.
+        cout << e.what() << endl;
+        cout << desc;
+        return EXIT_FAILURE;
+    }
+
+    if (vm.count("help"))
+    {
+        cout << "Usage: ixion-parser [options] FILE1 FILE2 ..." << endl
+            << endl
+            << "The FILE must contain the definitions of cells according to the cell definition rule." << endl << endl
+            << desc;
+        return EXIT_SUCCESS;
+    }
+
+    if (vm.count("thread"))
+        thread_count = vm["thread"].as<size_t>();
+
+    vector<string> files;
+    if (vm.count("input-file"))
+        files = vm["input-file"].as< vector<string> >();
+
+    if (thread_count > 0)
+    {
+        cout << "Using " << thread_count << " threads" << endl;
+        cout << "Number of CPUS: " << std::thread::hardware_concurrency() << endl;
+    }
+
+    try
+    {
+        // Parse all files one at a time.
+        for_each(files.begin(), files.end(), parse_file(thread_count));
+    }
+    catch (const exception&)
+    {
+        return EXIT_FAILURE;
+    }
+
+    return EXIT_SUCCESS;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */