diff options
Diffstat (limited to 'src/config/config.cpp')
-rw-r--r-- | src/config/config.cpp | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/src/config/config.cpp b/src/config/config.cpp new file mode 100644 index 0000000..0db5751 --- /dev/null +++ b/src/config/config.cpp @@ -0,0 +1,103 @@ +#include <config/config.hpp> + +#include <iostream> +#include <cstring> + +#include <cstdlib> + +std::string Config::filename{}; +std::map<std::string, std::string> Config::values{}; +std::vector<t_config_changed_callback> Config::callbacks{}; + +std::string Config::get(const std::string& option, const std::string& def) +{ + auto it = Config::values.find(option); + + if (it == Config::values.end()) + return def; + return it->second; +} + +int Config::get_int(const std::string& option, const int& def) +{ + std::string res = Config::get(option, ""); + if (!res.empty()) + return std::atoi(res.c_str()); + else + return def; +} + +void Config::set(const std::string& option, const std::string& value, bool save) +{ + Config::values[option] = value; + if (save) + { + Config::save_to_file(); + Config::trigger_configuration_change(); + } +} + +void Config::connect(const t_config_changed_callback& callback) +{ + Config::callbacks.push_back(callback); +} + +void Config::clear() +{ + Config::values.clear(); +} + +/** + * Private methods + */ +void Config::trigger_configuration_change() +{ + std::vector<t_config_changed_callback>::iterator it; + for (it = Config::callbacks.begin(); it < Config::callbacks.end(); ++it) + (*it)(); +} + +bool Config::read_conf(const std::string& name) +{ + if (!name.empty()) + Config::filename = name; + + std::ifstream file(Config::filename.data()); + if (!file.is_open()) + { + std::cerr << "Error while opening file " << filename << " for reading: " << strerror(errno) << std::endl; + return false; + } + + Config::clear(); + + std::string line; + size_t pos; + std::string option; + std::string value; + while (file.good()) + { + std::getline(file, line); + if (line == "" || line[0] == '#') + continue ; + pos = line.find('='); + if (pos == std::string::npos) + continue ; + option = line.substr(0, pos); + value = line.substr(pos+1); + Config::values[option] = value; + } + return true; +} + +void Config::save_to_file() +{ + std::ofstream file(Config::filename.data()); + if (file.fail()) + { + std::cerr << "Could not save config file." << std::endl; + return ; + } + for (const auto& it: Config::values) + file << it.first << "=" << it.second << '\n'; +} |