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