bool Config::ReadConfig(std::istream &in, const char *path) {
string line, errstr="";
std::tuple<string, function<bool(string&)>>
rules[] = {
std::make_tuple("database", cfg_path(database_)),
std::make_tuple("verbosity", cfg_numeric(verbosity_)),
std::make_tuple("quiet", cfg_bool(quiet_)),
std::make_tuple("package_depends", cfg_bool(package_depends_)),
std::make_tuple("json", cfg_json(json_,errstr)),
std::make_tuple("jobs", cfg_numeric(max_jobs_)),
std::make_tuple("file_lists", cfg_bool(package_filelist_)),
};
size_t lineno = 0;
while (std::getline(in, line)) {
++lineno;
size_t start = line.find_first_not_of(" \t\n\r");
// no content
if (start == string::npos)
continue;
// comment lines
if (line[start] == '#' || line[start] == '/' || line[start] == ';')
continue;
errstr = "";
for (auto &r : rules) {
string &name(std::get<0>(r));
auto fn = std::get<1>(r);
if (line.compare(start, name.length(), name) == 0) {
size_t eq = line.find_first_not_of(" \t\n\r", start+name.length());
if (eq == string::npos) {
Log(Warn, "%s:%lu: invalid config entry\n",
path, (unsigned long)lineno);
break;
}
if (line[eq] != '=') {
Log(Warn, "%s:%lu: missing `=` in config entry\n",
path, (unsigned long)lineno);
break;
}
start = line.find_first_not_of(" \t\n\r", eq+1);
line = move(line.substr(start));
if (!fn(line)) {
if (!errstr.empty())
Log(Error, "%s:%lu: %s\n", path, (unsigned long)lineno,
errstr.c_str());
return false;
}
break;
}
}
}
return true;
}
static bool ReadConfig(std::istream &in, const char *path) {
std::string line;
size_t lineno = 0;
while (std::getline(in, line)) {
++lineno;
size_t start = line.find_first_not_of(" \t\n\r");
// no content
if (start == std::string::npos)
continue;
// comment lines
if (line[start] == '#' ||
line[start] == '/' ||
line[start] == ';')
{
continue;
}
std::tuple<std::string, std::function<bool(std::string&)>>
rules[] = {
std::make_tuple("database", cfg_database),
std::make_tuple("verbosity", cfg_numeric(opt_verbosity)),
std::make_tuple("quiet", cfg_bool(opt_quiet)),
std::make_tuple("package_depends", cfg_bool(opt_package_depends)),
std::make_tuple("josn", cfg_json),
std::make_tuple("json", cfg_json),
std::make_tuple("jobs", cfg_numeric(opt_max_jobs)),
std::make_tuple("file_lists", cfg_bool(opt_package_filelist)),
};
for (auto &r : rules) {
std::string &name(std::get<0>(r));
auto fn = std::get<1>(r);
if (line.compare(start, name.length(), name) == 0) {
size_t eq = line.find_first_not_of(" \t\n\r", start+name.length());
if (eq == std::string::npos) {
log(Warn, "%s:%lu: invalid config entry\n",
path, (unsigned long)lineno);
break;
}
if (line[eq] != '=') {
log(Warn, "%s:%lu: missing `=` in config entry\n",
path, (unsigned long)lineno);
break;
}
start = line.find_first_not_of(" \t\n\r", eq+1);
line = std::move(line.substr(start));
if (!fn(line))
return false;
break;
}
}
}
return true;
}
