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-rw-r--r--src/config/config.cpp103
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';
+}