diff -r 000000000000 -r 17fc678e0a94 src/CLIParser.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/CLIParser.h Sun Mar 28 18:41:21 2021 +0200 @@ -0,0 +1,75 @@ +/** + * Relational pipes + * Copyright © 2021 František Kučera (Frantovo.cz, GlobalCode.info) + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, version 3 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ +#pragma once + +#include +#include + +#include +#include +#include + +#include "Configuration.h" + +namespace relpipe { +namespace out { +namespace x11 { + +class CLIParser { +private: + + relpipe::reader::string_t readNext(const std::vector& arguments, int& i) { + if (i < arguments.size()) return arguments[i++]; + else throw relpipe::cli::RelpipeCLIException(L"Missing CLI argument" + (i > 0 ? (L" after " + arguments[i - 1]) : L""), relpipe::cli::CLI::EXIT_CODE_BAD_CLI_ARGUMENTS); + } + + /** + * TODO: use a common method + */ + bool parseBoolean(const relpipe::reader::string_t& value) { + if (value == L"true") return true; + else if (value == L"false") return false; + else throw relpipe::cli::RelpipeCLIException(L"Unable to parse boolean value: " + value + L" (expecting true or false)", relpipe::cli::CLI::EXIT_CODE_BAD_CLI_ARGUMENTS); + } + +public: + + static const relpipe::reader::string_t OPTION_WRITE_HEADER; + + Configuration parse(const std::vector& arguments) { + Configuration c; + + for (int i = 0; i < arguments.size();) { + relpipe::reader::string_t option = readNext(arguments, i); + + if (option == OPTION_WRITE_HEADER) { + c.writeHeader = parseBoolean(readNext(arguments, i)); + } else throw relpipe::cli::RelpipeCLIException(L"Unsupported CLI option: " + option, relpipe::cli::CLI::EXIT_CODE_BAD_CLI_ARGUMENTS); + } + + return c; + } + + virtual ~CLIParser() { + } +}; + +const relpipe::reader::string_t CLIParser::OPTION_WRITE_HEADER = L"--write-header"; + +} +} +}