1 /**

     2  * cadMousePro

     3  * Copyright © 2019 František Kučera (Frantovo.cz, GlobalCode.info)

     4  *

     5  * This program is free software: you can redistribute it and/or modify

     6  * it under the terms of the GNU General Public License as published by

     7  * the Free Software Foundation, either version 3 of the License, or

     8  * (at your option) any later version.

     9  *

    10  * This program is distributed in the hope that it will be useful,

    11  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

    13  * GNU General Public License for more details.

    14  *

    15  * You should have received a copy of the GNU General Public License

    16  * along with this program. If not, see <http://www.gnu.org/licenses/>.

    17  */

    18 #pragma once

    19 

    20 #include <locale.h>

    21 #include <string>

    22 #include <vector>

    23 #include <sstream>

    24 #include <locale>

    25 #include <codecvt>

    26 #include <iostream>

    27 

    28 /**

    29  * a common header-only library for CLI programs

    30  */

    31 class CLI {

    32 public:

    33 

    34 	CLI(int argc, char* argv[]) {

    35 		setlocale(LC_ALL, "");

    36 

    37 		this->argc = &argc;

    38 		this->argv = &argv;

    39 

    40 		program = convertor.from_bytes(argv[0]);

    41 

    42 		for (int i = 1; i < argc; i++) {

    43 			args.insert(args.end(), convertor.from_bytes(argv[i]));

    44 		}

    45 

    46 	}

    47 

    48 	CLI(const CLI& orig) {

    49 	}

    50 

    51 	virtual ~CLI() {

    52 	}

    53 

    54 	const std::wstring programName() {

    55 		return (const std::wstring) program;

    56 	}

    57 

    58 	const std::vector<std::wstring> arguments() {

    59 		return (const std::vector<std::wstring>)args;

    60 	}

    61 

    62 	static const int EXIT_CODE_SUCCESS = 0;

    63 	static const int EXIT_CODE_UNEXPECTED_ERROR = 1;

    64 	static const int EXIT_CODE_BAD_CLI_ARGUMENTS = 6;

    65 

    66 	/**

    67 	 * std::cin and std::cout are "tied" by default i.e. reading from std::cin causes flush of the std::cout.

    68 	 * Call this to "untie" them and have less write() calls (better buffering).

    69 	 */

    70 	static void untieStdIO() {

    71 		std::cin.tie(nullptr);

    72 	}

    73 

    74 private:

    75 	int* argc;

    76 	char*** argv;

    77 	std::wstring program;

    78 	std::vector<std::wstring> args;

    79 	std::wstring_convert<std::codecvt_utf8<wchar_t>> convertor; // TODO: support also other encodings.

    80 };