1 /** |
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2 * Relational pipes |
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3 * Copyright © 2018 František Kučera (Frantovo.cz, GlobalCode.info) |
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4 * |
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5 * This program is free software: you can redistribute it and/or modify |
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6 * it under the terms of the GNU General Public License as published by |
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7 * the Free Software Foundation, either version 3 of the License, or |
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8 * (at your option) any later version. |
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9 * |
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10 * This program is distributed in the hope that it will be useful, |
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11 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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13 * GNU General Public License for more details. |
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14 * |
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15 * You should have received a copy of the GNU General Public License |
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16 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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17 */ |
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18 #include <cstdlib> |
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19 #include <memory> |
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20 |
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21 #include <relpipe/writer/RelationalWriter.h> |
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22 #include <relpipe/writer/RelpipeWriterException.h> |
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23 #include <relpipe/writer/Factory.h> |
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24 #include <relpipe/writer/TypeId.h> |
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25 |
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26 #include <relpipe/cli/CLI.h> |
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27 #include <relpipe/cli/RelpipeCLIException.h> |
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28 |
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29 #include "Command.h" |
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30 #include "ArgumentsCommand.h" |
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31 #include "DemoCommand.h" |
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32 #include "StdInCommand.h" |
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33 |
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34 using namespace relpipe::cli; |
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35 using namespace relpipe::in::cli; |
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36 using namespace relpipe::writer; |
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37 |
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38 Command* findCommand(string_t commandName) { |
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39 // TODO: better command names |
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40 // TODO: help command |
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41 if (commandName == L"demo") return new DemoCommand(); |
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42 else if (commandName == L"generate") return new ArgumentsCommand(); |
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43 else if (commandName == L"generate-without-stdin") return new StdInCommand(false); // TODO: just for testing, StdInCommand(false) should work same as ArgumentsCommand() |
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44 else if (commandName == L"generate-from-stdin") return new StdInCommand(true); |
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45 else throw RelpipeCLIException(L"Unknown command: " + commandName, CLI::EXIT_CODE_UNKNOWN_COMMAND); |
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46 } |
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47 |
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48 int main(int argc, char** argv) { |
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49 setlocale(LC_ALL, ""); |
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50 CLI::untieStdIO(); |
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51 CLI cli(argc, argv); |
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52 |
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53 int resultCode = CLI::EXIT_CODE_UNEXPECTED_ERROR; |
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54 |
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55 try { |
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56 if (cli.arguments().size() > 0) { |
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57 |
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58 const wstring commandName = cli.arguments()[0]; |
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59 vector<wstring> arguments(cli.arguments().size() - 1); |
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60 for (int i = 1; i < cli.arguments().size(); i++) { |
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61 arguments[i - 1] = cli.arguments()[i]; |
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62 } |
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63 |
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64 std::shared_ptr<Command> command(findCommand(commandName)); |
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65 command->process(cin, cout, commandName, arguments); |
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66 resultCode = CLI::EXIT_CODE_SUCCESS; |
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67 |
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68 } else { |
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69 throw RelpipeCLIException(L"Missing command…", CLI::EXIT_CODE_BAD_SYNTAX); |
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70 } |
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71 } catch (RelpipeCLIException e) { |
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72 fwprintf(stderr, L"Caught CLI exception: %ls\n", e.getMessge().c_str()); |
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73 fwprintf(stderr, L"Debug: Input stream: eof=%ls, lastRead=%d\n", (cin.eof() ? L"true" : L"false"), cin.gcount()); |
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74 resultCode = e.getExitCode(); |
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75 } catch (RelpipeWriterException e) { |
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76 fwprintf(stderr, L"Caught Writer exception: %ls\n", e.getMessge().c_str()); |
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77 fwprintf(stderr, L"Debug: Input stream: eof=%ls, lastRead=%d\n", (cin.eof() ? L"true" : L"false"), cin.gcount()); |
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78 resultCode = CLI::EXIT_CODE_DATA_ERROR; |
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79 } |
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80 |
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81 return resultCode; |
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82 } |
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