pmt: Write the function base

- Write the function manager.
 - Make minor changes to the function structure.
 - Add CLI11 license.
 - Added main function to libpmt.

src/FunctionManager.cpp

@@ -0,0 +1,54 @@
+/*
+   Copyright 2025 Yağız Zengin
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+#include <vector>
+#include <memory>
+#include <string>
+#include <libpmt/lib.hpp>
+
+namespace PartitionManager {
+
+void basic_function_manager::registerFunction(std::unique_ptr<basic_function> _func, CLI::App& _app)
+{
+	LOGN(PMTF, INFO) << "registering function: " << _func->name() << std::endl;
+	if (!_func->init(_app)) throw Error("Cannot init function: %s\n", _func->name());
+	_functions.push_back(std::move(_func));
+	LOGN(PMTF, INFO) << _func->name() << " successfully registered." << std::endl;
+}
+
+const char* basic_function_manager::whatIsRunnedCommandName()
+{
+	for (auto &func : _functions) {
+		if (func->cmd->parsed()) return func->name();
+	}
+
+	return nullptr;
+}
+
+bool basic_function_manager::handleAll()
+{
+	LOGN(PMTF, INFO) << "running catched function commands in command-line." << std::endl;
+	for (auto &func : _functions) {
+		if (func->cmd->parsed()) {
+			LOGN(PMTF, INFO) << "running function: " << func->name() << std::endl;
+			return (func->run()) ? true : false;
+		}
+	}
+
+	return false;
+}
+
+} // namespace PartitionManager