File indexing completed on 2023-05-30 09:03:12

 /*
     SPDX-License-Identifier: GPL-2.0-or-later
     SPDX-FileCopyrightText: 2015 Minh Ngo <minh@fedoraproject.org>
 */
 
 #include <iostream>
 #include <csignal>
 #include <vector>
 #include <cstring>
 
 #include "pythonserver.h"
 
 using namespace std;
 
 const char messageEnd = 29;
 const char recordSep = 30;
 const char unitSep = 31;
 
 PythonServer server;
 bool isInterrupted = false;
 
 string LOGIN("login");
 string EXIT("exit");
 string CODE("code");
 string FILEPATH("setFilePath");
 string MODEL("model");
 
 void signal_handler(int signal)
 {
     if (signal == SIGINT)
     {
         isInterrupted = true;
         server.interrupt();
     }
 }
 
 vector<string> split(string s, char delimiter)
 {
     vector<string> results;
 
     size_t pos = 0;
     std::string token;
     while ((pos = s.find(delimiter)) != std::string::npos) {
         token = s.substr(0, pos);
         results.push_back(token);
         s.erase(0, pos + 1);
     }
     results.push_back(s);
 
     return results;
 }
 
 int main()
 {
     std::signal(SIGINT, signal_handler);
 
     std::cout << "ready" << std::endl;
 
     std::string input;
     while (getline(std::cin, input, messageEnd))
     {
         const vector<string>& records = split(input, recordSep);
 
         if (records.size() == 2)
         {
             if (records[0] == EXIT)
             {
                 //Exit from cycle and finish program
                 break;
             }
             else if (records[0] == LOGIN)
             {
                 server.login();
             }
             if (records[0] == FILEPATH)
             {
                 const vector<string>& args = split(records[1], unitSep);
                 if (args.size() == 2)
                     server.setFilePath(args[0], args[1]);
             }
             else if (records[0] == CODE)
             {
                 server.runPythonCommand(records[1]);
 
                 if (!isInterrupted)
                 {
                     const string& result =
                         server.getOutput()
                         + unitSep
                         + server.getError()
                         + unitSep
                         + to_string((int)server.isError())
                         + messageEnd;
 
                     std::cout << result.c_str();
                 }
                 else
                 {
                     // No replay when interrupted
                     isInterrupted = false;
                 }
             }
             else if (records[0] == MODEL)
             {
                 bool ok, val;
                 try {
                     val = (bool)stoi(records[1]);
                     ok = true;
                 } catch (const std::invalid_argument &e) {
                     ok = false;
                 };
 
                 string result;
                 if (ok)
                     result = server.variables(val) + unitSep;
                 else
                     result = unitSep + string("Invalid argument for 'model' command");
                 result += messageEnd;
 
                 std::cout << result.c_str();
             }
             std::cout.flush();
         }
     }
 
     return 0;
 }