1
0
Fork 0
mirror of https://gitlab.com/niansa/asbots.git synced 2025-03-06 20:48:25 +01:00
asbots/configParser.cpp
2021-06-21 15:54:49 +02:00

92 lines
3.2 KiB
C++

/*
* asbots
* Copyright (C) 2021 niansa
*
* 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, either version 3 of the License, or
* (at your option) any later version.
*
* 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 <https://www.gnu.org/licenses/>.
*/
#include "config.hpp"
#include "uid.hpp"
#include "utility.hpp"
#include <string>
#include <string_view>
#include <tuple>
#include <fstream>
#include <filesystem>
inline void noop() {}
Config parseConfig(const std::filesystem::path& path) {
Config fres;
auto file = std::ifstream(path);
// Read through all sections
while (!file.eof()) {
std::string head;
std::string_view section;
file >> head;
// Skip some emptynes
if (head.empty()) {
continue;
}
// Check section head syntax
if (head.size() < 3 || !head.starts_with('[') || !head.ends_with(']')) {
throw Config::ParseError("Invalid head (section identifier) syntax");
}
// Extract actual section name
section = {head.data()+1, head.size()-2};
while (!file.eof()) {
// Get key and value
std::string line;
std::getline(file, line);
// Check for empty line
if (line.empty()) {
continue;
}
// Split into key and value
auto [key, value] = Utility::splitOnce(line, ": ");
// Check for "end"
if (key == "end") {
break;
}
// Do stuff depending on current section using macro magic
# define SECTION(name, ...) if (section == #name) {auto &d = fres.name; __VA_ARGS__; continue;;} noop()
# define ASSIGN(e_key, val) if (key == #e_key) {d.e_key = val; continue;} noop()
SECTION(connection, {
ASSIGN(addr, value);
ASSIGN(port, std::stoi(std::string(value)));
});
SECTION(auth, {
ASSIGN(send_password, value);
ASSIGN(accept_password, value);
});
SECTION(server, {
ASSIGN(name, value);
ASSIGN(description, value);
ASSIGN(uid, SUID(value));
ASSIGN(hidden, value=="true");
});
// Misc keys
auto s_res = fres.misc.find(std::string(section));
if (s_res == fres.misc.end()) {
fres.misc[std::string(section)] = {{std::string(key), std::string(value)}};
} else {
s_res->second[std::string(key)] = value;
}
}
}
// Return resulting Config object
return fres;
}