feat: introduce cmd functions

1 files changed, 73 insertions, 0 deletions

diff --git a/src/cmd.cpp b/src/cmd.cpp
new file mode 100644
index 00000000..66e2604f
--- /dev/null
+++ b/src/cmd.cpp
@@ -0,0 +1,73 @@
+/**
+ * Copyright (C) 2021 Saturneric <[email protected]>
+ *
+ * This file is part of GpgFrontend.
+ *
+ * GpgFrontend is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GpgFrontend is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GpgFrontend. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The initial version of the source code is inherited from
+ * the gpg4usb project, which is under GPL-3.0-or-later.
+ *
+ * All the source code of GpgFrontend was modified and released by
+ * Saturneric <[email protected]> starting on May 12, 2021.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ */
+
+#include "cmd.h"
+
+// std
+#include <iostream>
+
+// boost
+#include <boost/program_options.hpp>
+
+// GpgFrontend
+#include "GpgFrontendBuildInfo.h"
+
+namespace po = boost::program_options;
+
+auto PrintVersion() -> int {
+  std::cout << PROJECT_NAME << " "
+            << "v" << VERSION_MAJOR << "." << VERSION_MINOR << "."
+            << VERSION_PATCH << std::endl;
+  std::cout
+      << "Copyright (C) 2021 Saturneric <[email protected]>" << std::endl
+      << _("This is free software; see the source for copying conditions.")
+      << std::endl
+      << std::endl;
+
+  std::cout << _("Build Timestamp: ") << BUILD_TIMESTAMP << std::endl
+            << _("Build Version: ") << BUILD_VERSION << std::endl
+            << _("Source Code Version: ") << GIT_VERSION << std::endl;
+
+  return 0;
+}
+
+auto ParseLogLevel(const po::variables_map& vm) -> spdlog::level::level_enum {
+  std::string log_level = vm["log-level"].as<std::string>();
+
+  if (log_level == "trace") {
+    return spdlog::level::trace;
+  } else if (log_level == "debug") {
+    return spdlog::level::debug;
+  } else if (log_level == "info") {
+    return spdlog::level::info;
+  } else if (log_level == "warn") {
+    return spdlog::level::warn;
+  } else if (log_level == "error") {
+    return spdlog::level::err;
+  }
+}
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