Future proofed file read/write

file/include/helpers.hpp

@@ -0,0 +1,57 @@
+#ifndef GERMANAIRLINESVA_FILE_HELPERS_H
+#define GERMANAIRLINESVA_FILE_HELPERS_H
+
+#include <cstdint>
+#include <fstream>
+#include <string>
+#include <vector>
+
+namespace germanairlinesva
+{
+namespace file
+{
+  static inline const std::string readString(std::ifstream &in,
+                                             std::uint8_t length)
+  {
+    std::vector<char> value(length + 1);
+    in.read(value.data(), length);
+    return std::string(std::move(value.data()));
+  }
+
+  static inline const std::string readString(std::ifstream &in)
+  {
+    std::uint8_t length;
+    in.read(reinterpret_cast<char *>(&length), 1);
+    std::vector<char> value(length + 1);
+    in.read(value.data(), length);
+    return std::string(std::move(value.data()));
+  }
+
+  template <typename T> static inline const T read(std::ifstream &in)
+  {
+    T value;
+    in.read(reinterpret_cast<char *>(&value), sizeof(value));
+    return value;
+  }
+
+  static inline void writeString(std::ofstream &out, std::string value)
+  {
+    std::uint8_t length = value.length();
+    out.write(reinterpret_cast<char *>(&length), sizeof(length));
+    out.write(value.data(), length);
+  }
+
+  static inline void
+      writeString(std::ofstream &out, std::string value, std::uint8_t length)
+  {
+    out.write(value.data(), length);
+  }
+
+  template <typename T> static inline void write(std::ofstream &out, T value)
+  {
+    out.write(reinterpret_cast<char *>(&value), sizeof(value));
+  }
+} // namespace file
+} // namespace germanairlinesva
+
+#endif