franta-hg@28: /**
franta-hg@28:  * parameter-lister
franta-hg@28:  * Copyright © 2015 František Kučera (frantovo.cz)
franta-hg@28:  *
franta-hg@28:  * This program is free software: you can redistribute it and/or modify
franta-hg@28:  * it under the terms of the GNU General Public License as published by
franta-hg@28:  * the Free Software Foundation, either version 3 of the License, or
franta-hg@28:  * (at your option) any later version.
franta-hg@28:  *
franta-hg@28:  * This program is distributed in the hope that it will be useful,
franta-hg@28:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
franta-hg@28:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
franta-hg@28:  * GNU General Public License for more details.
franta-hg@28:  *
franta-hg@28:  * You should have received a copy of the GNU General Public License
franta-hg@28:  * along with this program. If not, see <http://www.gnu.org/licenses/>.
franta-hg@28:  */
franta-hg@0: #include <cstdlib>
franta-hg@1: #include <iostream>
franta-hg@3: #include <vector>
franta-hg@16: #include <map>
franta-hg@3: #include <algorithm>
franta-hg@5: #include <boost/optional.hpp>
franta-hg@10: #include <memory>
franta-hg@3: 
franta-hg@7: #include "info/globalcode/parameterLister/OutputModule.h"
franta-hg@7: #include "info/globalcode/parameterLister/TerminalOutputModule.h"
franta-hg@0: 
franta-hg@0: using namespace std;
franta-hg@3: using namespace info::globalcode::parameterLister;
franta-hg@0: 
franta-hg@5: namespace info {
franta-hg@5: namespace globalcode {
franta-hg@5: namespace parameterLister {
franta-hg@5: 
franta-hg@16: const string ENV_BASE = "PARAMETER_LISTER";
franta-hg@16: const string ENV_OUTPUT_MODULE_NAME = ENV_BASE + "_OUTPUT";
franta-hg@16: 
franta-hg@5: boost::optional<string> getenv(const string name) {
franta-hg@5: 	const char * value = ::getenv(name.c_str());
franta-hg@5: 	if (value == 0) {
franta-hg@5: 		return boost::optional<string>();
franta-hg@5: 	} else {
franta-hg@5: 		return boost::optional<string>(value);
franta-hg@5: 	}
franta-hg@5: }
franta-hg@5: 
franta-hg@5: }
franta-hg@5: }
franta-hg@5: }
franta-hg@5: 
franta-hg@16: shared_ptr<OutputModule> chooseOutputModule() {
franta-hg@16: 	boost::optional<string> moduleName = getenv(ENV_OUTPUT_MODULE_NAME);
franta-hg@16: 	if (moduleName.is_initialized()) {
franta-hg@16: 		// TODO: use a map instead of sequence of IFs
franta-hg@16: 		if (moduleName.get() == "terminal") {
franta-hg@16: 			return shared_ptr<OutputModule>(new TerminalOutputModule());
franta-hg@16: 		}
franta-hg@16: 	}
franta-hg@16: 
franta-hg@16: 	return shared_ptr<OutputModule>(new OutputModule());
franta-hg@16: }
franta-hg@16: 
franta-hg@3: int main(int argc, char* argv[]) {
franta-hg@4: 
franta-hg@16: 	/** Load arguments */
franta-hg@3: 	string command = argv[0];
franta-hg@3: 	vector<string> args;
franta-hg@3: 
franta-hg@3: 	for (int i = 1; i < argc; i++) {
franta-hg@3: 		args.push_back(argv[i]);
franta-hg@3: 	}
franta-hg@3: 
franta-hg@16: 	/** Do formatting */
franta-hg@16: 	shared_ptr<OutputModule> outputModule = chooseOutputModule();
franta-hg@4: 
franta-hg@16: 	return outputModule->process(cout, command, args);
franta-hg@10: }