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#include "common.hh"
#include <fstream>
#include <unordered_map>
#include "config.hh"
#include "strutils.hh"
namespace stuff {
namespace {
class ConfigImpl : public Config {
public:
~ConfigImpl() override {
}
std::string get(const std::string& name,
const std::string& fallback) const override {
auto it = data_.find(name);
if (it == data_.end()) return fallback;
return it->second;
}
bool load(const std::string& path) override {
std::ifstream in(path);
std::unordered_map<std::string, std::string> data;
while (in.good()) {
std::string line;
std::getline(in, line);
if (line.empty() || line.front() == '#') continue;
auto pos = line.find('=');
if (pos == std::string::npos) return false;
data.insert(std::make_pair(trim(line.substr(0, pos)),
trim(line.substr(pos + 1))));
}
if (!in.eof()) return false;
data_.swap(data);
return true;
}
ConfigImpl() {
}
private:
std::unordered_map<std::string, std::string> data_;
};
} // namespace
std::unique_ptr<Config> Config::create() {
return std::unique_ptr<Config>(new ConfigImpl());
}
} // namespace stuff
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