niko
65 lines
2.6 KiB
C++
65 lines
2.6 KiB
C++
#include "config.h"
|
|
|
|
#include <fstream>
|
|
#include <sstream>
|
|
|
|
namespace {
|
|
std::string trim(const std::string& s) {
|
|
size_t a = s.find_first_not_of(" \t\r\n");
|
|
if (a == std::string::npos) return "";
|
|
size_t b = s.find_last_not_of(" \t\r\n");
|
|
return s.substr(a, b - a + 1);
|
|
}
|
|
|
|
bool parse_bool(const std::string& v, bool& out) {
|
|
if (v == "true" || v == "1" || v == "yes" || v == "on") { out = true; return true; }
|
|
if (v == "false" || v == "0" || v == "no" || v == "off") { out = false; return true; }
|
|
return false;
|
|
}
|
|
}
|
|
|
|
bool load_config(const std::string& path, config& cfg, std::string& err) {
|
|
std::ifstream f(path);
|
|
if (!f) { err = "cannot open config file '" + path + "'"; return false; }
|
|
|
|
std::string line;
|
|
int lineno = 0;
|
|
while (std::getline(f, line)) {
|
|
lineno++;
|
|
std::string s = trim(line);
|
|
if (s.empty() || s[0] == '#') continue;
|
|
|
|
auto eq = s.find('=');
|
|
if (eq == std::string::npos) {
|
|
err = "line " + std::to_string(lineno) + ": expected key = value";
|
|
return false;
|
|
}
|
|
std::string key = trim(s.substr(0, eq));
|
|
std::string val = trim(s.substr(eq + 1));
|
|
|
|
auto bad = [&](const char* why) {
|
|
err = "line " + std::to_string(lineno) + " (" + key + "): " + why;
|
|
return false;
|
|
};
|
|
|
|
if (key == "port") cfg.port = (uint16_t) std::stoi(val);
|
|
else if (key == "room_url") cfg.room_url = val;
|
|
else if (key == "room_timeout_ms") cfg.room_timeout_ms = std::stol(val);
|
|
else if (key == "private_key") cfg.private_key_path = val;
|
|
else if (key == "ds_count_width") cfg.ds_count_width = std::stoi(val);
|
|
else if (key == "encrypt") { if (!parse_bool(val, cfg.encrypt)) return bad("expected a boolean"); }
|
|
else if (key == "fork") { if (!parse_bool(val, cfg.fork)) return bad("expected a boolean"); }
|
|
else if (key == "dissonance") { if (!parse_bool(val, cfg.dissonance)) return bad("expected a boolean"); }
|
|
else if (key == "rooms") { if (!parse_bool(val, cfg.rooms)) return bad("expected a boolean"); }
|
|
else if (key == "log_level") {
|
|
if (val == "error") cfg.log_level = LogLevel::Error;
|
|
else if (val == "warn") cfg.log_level = LogLevel::Warn;
|
|
else if (val == "info") cfg.log_level = LogLevel::Info;
|
|
else if (val == "debug") cfg.log_level = LogLevel::Debug;
|
|
else return bad("expected error|warn|info|debug");
|
|
}
|
|
else return bad("unknown config key");
|
|
}
|
|
return true;
|
|
}
|