Future proofed file read/write

file/include/config/config.hpp

@@ -0,0 +1,53 @@
+#ifndef GERMANAIRLINESVA_FILE_CONFIG_H
+#define GERMANAIRLINESVA_FILE_CONFIG_H
+
+#include <map>
+
+#include <fstream>
+#include <map>
+#include <string>
+#include <vector>
+
+#include "util.hpp"
+
+namespace germanairlinesva
+{
+namespace file
+{
+  namespace config
+  {
+    static inline std::map<std::string, std::string>
+        readConfig(const std::string &file)
+    {
+      std::ifstream config(file);
+      std::map<std::string, std::string> settings;
+
+      std::string line;
+      while (std::getline(config, line)) {
+        std::vector<std::string> fields =
+            germanairlinesva_util::split(line, '=');
+        if (fields.size() >= 2) {
+          germanairlinesva_util::trim(fields[0]);
+          germanairlinesva_util::trim(fields[1]);
+          settings[fields[0]] = fields[1];
+        }
+      }
+
+      config.close();
+      return settings;
+    }
+
+    static inline void
+        writeConfig(const std::map<std::string, std::string> &config,
+                    const std::string &file)
+    {
+      std::ofstream cfg(file);
+      for (const std::pair<const std::string, std::string> &entry : config) {
+        cfg << entry.first << '=' << entry.second << '\n';
+      }
+      cfg.close();
+    }
+  } // namespace config
+} // namespace file
+} // namespace germanairlinesva
+#endif