...

net/adc_endpoint.h

@@ -28,6 +28,79 @@ namespace adc
  *
  */
 
+
+class AdcEndpointParser
+{
+public:
+    static constexpr std::string_view protoHostDelim = "://";
+    static constexpr std::string_view hostPortDelim = ":";
+    static constexpr std::string_view portPathDelim = "/";
+
+    enum proto_id_t : uint8_t {
+        PROTO_ID_LOCAL,
+        PROTO_ID_TCP,
+        PROTO_ID_TLS,
+        PROTO_ID_UDP,
+        PROTO_ID_WS,
+        PROTO_ID_WSS,
+        PROTO_ID_UNKNOWN
+    };
+
+    static constexpr std::string_view protoMarkLocal{"local"};  // UNIX domain
+    static constexpr std::string_view protoMarkTCP{"tcp"};      // TCP
+    static constexpr std::string_view protoMarkTLS{"tls"};      // TLS
+    static constexpr std::string_view protoMarkUDP{"udp"};      // UDP
+    static constexpr std::string_view protoMarkWS{"ws"};        // Websocket
+    static constexpr std::string_view protoMarkWSS{"wss"};      // Secure Websocket
+
+    static constexpr std::array validProtoMarks{protoMarkLocal, protoMarkTCP, protoMarkTLS,
+                                                protoMarkUDP,   protoMarkWS,  protoMarkWSS};
+
+
+    template <traits::adc_input_char_range R>
+    AdcEndpointParser(const R& ept)
+    {
+    }
+
+protected:
+    std::string _proto, _host, _path;
+    int port;
+
+    template <traits::adc_input_char_range R>
+    bool parse(const R& ept)
+    {
+        // at least 'ws://a' (proto, proto-host delimiter and at least a single character of hostname)
+        if (std::ranges::size(ept) < 6) {
+            return false;
+        }
+
+        auto found = std::ranges::search(ept, protoHostDelim);
+        if (found.empty()) {
+            return false;
+        }
+
+
+        bool ok = false;
+
+        std::string_view proto{ept.begin(), found.begin()};
+        for (auto& valid_proto : validProtoMarks) {
+            ok = proto == valid_proto;
+            if (ok) {
+                break;
+            }
+        }
+
+        if (!ok) {
+            return ok;
+        }
+
+        _proto.clear();
+        std::ranges::copy(proto, std::back_inserter(_proto));
+    }
+};
+
+
+
 class AdcEndpoint
 {
 public: