add << and >> operator for SM command line parsing.

cxxopts use >> to parse opts.

Signed-off-by: Xiaoxi Chen <[email protected]>

src/include/homeobject/homeobject.hpp

@@ -17,6 +17,34 @@ ENUM(DevType, uint8_t, AUTO_DETECT = 1, HDD, NVME, UNSUPPORTED);
 struct device_info_t {
     explicit device_info_t(std::string name, DevType dtype = DevType::AUTO_DETECT) : path{std::filesystem::canonical(name)}, type{dtype} {}
     bool operator ==(device_info_t const& rhs) const { return path == rhs.path && type == rhs.type; }
+    friend istream &operator>>( istream  &input, device_info_t &di ) {
+        string t_input;
+        input >> di.path >> t_input;
+        if (t_input == "HDD") {
+            di.type = DevType::HDD;
+        } else if (t_input == "NVME") {
+            di.type = t_input::NVME;
+        } else {
+            di.type = DevType::AUTO_DETECT;
+        }
+        return input;
+    }
+    ostream& operator<<(ostream& os, const device_info_t& di)
+    {
+        os << "Device: {Path: " << di.path << ", Type: ";
+        switch (di.type) {
+        case DevType::HDD:
+            os << "HDD";
+            break;
+        case DevType::NVME:
+            os << "NVME";
+            break;
+        default:
+            os << "AUTO_DETECT";
+            break;
+        }
+        return os;
+    }
     std::filesystem::path path;
     DevType type;
 };