/**
* Relational pipes
* Copyright © 2022 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 <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <vector>
#include <iostream>
#include <relpipe/writer/typedefs.h>
#include <relpipe/cli/CLI.h>
#include <relpipe/cli/RelpipeCLIException.h>
#include "Configuration.h"
namespace relpipe {
namespace in {
namespace socket {
class CLIParser {
private:
relpipe::writer::string_t readNext(const std::vector<relpipe::writer::string_t>& 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::common::type::StringX& 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::writer::string_t OPTION_RELATION;
static const relpipe::writer::string_t OPTION_UNLINK_ON_CLOSE;
static const relpipe::writer::string_t OPTION_QUEUE;
static const relpipe::writer::string_t OPTION_MESSAGE_COUNT;
Configuration parse(const std::vector<relpipe::writer::string_t>& arguments) {
Configuration c;
for (int i = 0; i < arguments.size();) {
relpipe::writer::string_t option = readNext(arguments, i);
if (option == OPTION_RELATION) {
c.relation = readNext(arguments, i);
} else if (option == OPTION_UNLINK_ON_CLOSE) {
c.unlinkOnClose = parseBoolean(readNext(arguments, i));
} else if (option == OPTION_QUEUE) {
c.queue = readNext(arguments, i);
} else if (option == OPTION_MESSAGE_COUNT) {
c.messageCount = std::stoull(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::writer::string_t CLIParser::OPTION_RELATION = L"--relation";
const relpipe::writer::string_t CLIParser::OPTION_UNLINK_ON_CLOSE = L"--unlink-on-close";
const relpipe::writer::string_t CLIParser::OPTION_QUEUE = L"--queue";
const relpipe::writer::string_t CLIParser::OPTION_MESSAGE_COUNT = L"--message-count";
}
}
}