author | František Kučera <franta-hg@frantovo.cz> |
Wed, 22 Feb 2023 20:45:40 +0100 | |
branch | v_0 |
changeset 9 | 7722d28539d5 |
parent 3 | b71fc3b5e56b |
permissions | -rw-r--r-- |
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/** |
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* Relational pipes |
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* Copyright © 2022 František Kučera (Frantovo.cz, GlobalCode.info) |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, version 3 of the License. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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#pragma once |
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#include <vector> |
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#include <iostream> |
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#include <relpipe/writer/typedefs.h> |
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#include <relpipe/cli/CLI.h> |
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#include <relpipe/cli/RelpipeCLIException.h> |
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#include "Configuration.h" |
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namespace relpipe { |
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namespace in { |
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namespace posixmq { |
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class CLIParser { |
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private: |
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relpipe::writer::string_t readNext(const std::vector<relpipe::writer::string_t>& arguments, int& i) { |
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if (i < arguments.size()) return arguments[i++]; |
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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); |
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} |
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/** |
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* TODO: use a common method |
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*/ |
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bool parseBoolean(const relpipe::common::type::StringX& value) { |
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if (value == L"true") return true; |
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else if (value == L"false") return false; |
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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); |
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} |
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public: |
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static const relpipe::writer::string_t OPTION_RELATION; |
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static const relpipe::writer::string_t OPTION_UNLINK_ON_CLOSE; |
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static const relpipe::writer::string_t OPTION_QUEUE; |
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static const relpipe::writer::string_t OPTION_MESSAGE_COUNT; |
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Configuration parse(const std::vector<relpipe::writer::string_t>& arguments) { |
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Configuration c; |
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for (int i = 0; i < arguments.size();) { |
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relpipe::writer::string_t option = readNext(arguments, i); |
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if (option == OPTION_RELATION) { |
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c.relation = readNext(arguments, i); |
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} else if (option == OPTION_UNLINK_ON_CLOSE) { |
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c.unlinkOnClose = parseBoolean(readNext(arguments, i)); |
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} else if (option == OPTION_QUEUE) { |
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c.queue = readNext(arguments, i); |
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} else if (option == OPTION_MESSAGE_COUNT) { |
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c.messageCount = std::stoull(readNext(arguments, i)); |
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} else throw relpipe::cli::RelpipeCLIException(L"Unsupported CLI option: " + option, relpipe::cli::CLI::EXIT_CODE_BAD_CLI_ARGUMENTS); |
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} |
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return c; |
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} |
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virtual ~CLIParser() { |
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} |
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}; |
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const relpipe::writer::string_t CLIParser::OPTION_RELATION = L"--relation"; |
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const relpipe::writer::string_t CLIParser::OPTION_UNLINK_ON_CLOSE = L"--unlink-on-close"; |
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const relpipe::writer::string_t CLIParser::OPTION_QUEUE = L"--queue"; |
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const relpipe::writer::string_t CLIParser::OPTION_MESSAGE_COUNT = L"--message-count"; |
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} |
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} |
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} |