1 /**

     2  * Relational pipes

     3  * Copyright © 2020 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, version 3 of the License.

     8  *

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

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

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

    12  * GNU General Public License for more details.

    13  *

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

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

    16  */

    17 #pragma once

    18 

    19 #include <vector>

    20 #include <map>

    21 #include <string>

    22 #include <sstream>

    23 

    24 #include <relpipe/writer/typedefs.h>

    25 #include <relpipe/writer/RelpipeWriterException.h>

    26 

    27 /**

    28  * TODO: move to a separate library → can be used later also in relpipe-tr-exec

    29  */

    30 class SubProcess {

    31 public:

    32 

    33 	class Message {

    34 	public:

    35 		int code;

    36 		std::vector<relpipe::writer::string_t> parameters;

    37 

    38 		Message() {

    39 		}

    40 

    41 		Message(int code) : code(code) {

    42 		}

    43 

    44 		Message(int code, std::vector<relpipe::writer::string_t> parameters) : code(code), parameters(parameters) {

    45 		}

    46 

    47 		Message(int code, relpipe::writer::string_t p1) : code(code), parameters({p1}) {

    48 		}

    49 

    50 		Message(int code, relpipe::writer::string_t p1, relpipe::writer::string_t p2) : code(code), parameters({p1, p2}) {

    51 		}

    52 

    53 		Message(int code, relpipe::writer::string_t p1, relpipe::writer::string_t p2, relpipe::writer::string_t p3) : code(code), parameters({p1, p2, p3}) {

    54 		}

    55 

    56 		relpipe::writer::string_t toString() {

    57 			std::wstringstream s;

    58 			s << L"Message(code: " << code << L", parameters: ";

    59 			for (int i = 0; i < parameters.size(); i++) {

    60 				if (i < parameters.size() - 1) s << parameters[i] << L",";

    61 				else s << parameters[i];

    62 			}

    63 			s << L")";

    64 			return s.str();

    65 		}

    66 	};

    67 

    68 	class Exception : public relpipe::writer::RelpipeWriterException {

    69 	public:

    70 

    71 		Exception(std::wstring message) : relpipe::writer::RelpipeWriterException(message) {

    72 		}

    73 

    74 	};

    75 

    76 	static SubProcess* create(std::vector<relpipe::writer::string_t> commandLine, std::map<relpipe::writer::string_t, relpipe::writer::string_t> environment, bool dropErrorOutput = true);

    77 

    78 	virtual Message read() = 0;

    79 	virtual void write(Message message) = 0;

    80 	virtual int wait() = 0;

    81 

    82 	virtual ~SubProcess() = default;

    83 

    84 };