...

net/adc_netmessage.h

@@ -53,7 +53,7 @@ protected:
     ByteStorageT _byteStorage;
     StorageSeqT _storageSequence;
 
-    AdcNetMessageInterface() = default;
+    AdcNetMessageInterface() : _byteStorage(), _storageSequence({_byteStorage}) {};
 
     template <traits::adc_input_char_range T, traits::adc_input_char_range... Ts>
     AdcNetMessageInterface(const T& v, const Ts&... vs) : AdcNetMessageInterface()
@@ -69,12 +69,22 @@ protected:
     AdcNetMessageInterface& operator=(const AdcNetMessageInterface&) = default;
     AdcNetMessageInterface& operator=(AdcNetMessageInterface&&) = default;
 
+
     virtual void updateState() = 0;
 
 public:
     typedef ByteStorageT byte_storage_t;
     typedef StorageSeqT storage_seq_t;
 
+    bool messageEmpty() const { return byteSize() == 0; }
+
+    bool byteStorageEmpty() const
+    {
+        size_t sz = std::ranges::distance(_byteStorage.begin(), _byteStorage.end());
+        return sz == 0;
+    }
+
+
     template <traits::adc_input_char_range T, traits::adc_input_char_range... Ts>
     void appendBytes(const T& v, const Ts&... vs)
     {
@@ -88,6 +98,26 @@ public:
         }
     }
 
+
+    template <traits::formattable T, traits::formattable... Ts>
+    void appendBytes(const T& v, const Ts&... vs)
+    {
+        std::format_to(std::back_inserter(_byteStorage), v);
+
+        if constexpr (sizeof...(Ts)) {
+            appendBytes(vs...);
+        }
+    }
+
+    template <std::input_iterator IterT>
+    void appendBytes(IterT begin, IterT end)
+    {
+        std::copy(begin, end, std::back_inserter(_byteStorage));
+
+        updateState();
+    }
+
+
     template <traits::adc_input_char_range T, traits::adc_input_char_range... Ts>
     void setBytes(const T& v, const Ts&... vs)
     {
@@ -98,18 +128,22 @@ public:
     }
 
 
+    template <traits::formattable T, traits::formattable... Ts>
+    void setBytes(const T& v, const Ts&... vs)
+    {
+        _byteStorage = ByteStorageT();
+        appendBytes(v, vs...);
+
+        updateState();
+    }
+
+
     template <std::input_iterator IterT>
     void setBytes(IterT begin, IterT end)
     {
         _byteStorage = ByteStorageT(begin, end);
 
-        updateState();
+        appendBytes(begin, end);
-    }
-
-    template <std::input_iterator IterT>
-    void appendBytes(IterT begin, IterT end)
-    {
-        std::copy(begin, end, std::back_inserter(_byteStorage));
 
         updateState();
     }
@@ -139,9 +173,9 @@ public:
 };
 
 
+/*   GENERIC (NOTHING SPECIAL) NETWORK MESSAGE   */
 
-template <std::ranges::output_range<char> ByteStorageT = std::vector<char>,
+template <std::ranges::output_range<char> ByteStorageT = std::vector<char>>
-          typename MessageViewT = traits::AdcTheSameTypeTag>
 class AdcGenericNetMessage
     : public AdcNetMessageInterface<ByteStorageT, std::array<std::reference_wrapper<const ByteStorageT>, 1>>
 {
@@ -151,50 +185,13 @@ public:
     using typename base_t::byte_storage_t;
     using typename base_t::storage_seq_t;
 
-    using base_t::appendBytes;
+    // using base_t::appendBytes;
-    using base_t::setBytes;
+    // using base_t::setBytes;
-
-    using message_view_t =
-        std::conditional_t<std::is_same_v<MessageViewT, traits::AdcTheSameTypeTag>, ByteStorageT, MessageViewT>;
-
-    AdcGenericNetMessage() = default;
-
-    template <std::convertible_to<MessageViewT> T,
-              traits::adc_to_bytes_func_c<ByteStorageT, MessageViewT> CONVT =
-                  decltype(utils::AdcDefaultValueConverter<>::serialize<ByteStorageT, T>)>
-    AdcGenericNetMessage(T&& v, CONVT&& conv_func = utils::AdcDefaultValueConverter<>::serialize<ByteStorageT, T>)
-        : AdcGenericNetMessage()
-    {
-        setMessage(std::forward<T>(v), std::forward<CONVT>(conv_func));
-    }
 
+    using base_t::base_t;
 
     virtual ~AdcGenericNetMessage() = default;
 
-    template <std::convertible_to<MessageViewT> T,
-              traits::adc_to_bytes_func_c<ByteStorageT, message_view_t> CONVT =
-                  decltype(utils::AdcDefaultValueConverter<>::serialize<ByteStorageT, T>)>
-    void setMessage(T&& v, CONVT&& conv_func = utils::AdcDefaultValueConverter<>::serialize<ByteStorageT, T>)
-    {
-        if constexpr (std::is_same_v<MessageViewT, traits::AdcTheSameTypeTag>) {
-            this->setBytes(std::forward<T>(v));
-        } else {
-            _messageView(std::forward<T>(v));
-            this->_byteStorage = std::forward<CONVT>(conv_func)(_messageView);
-        }
-    }
-
-
-    message_view_t messageView() const
-    {
-        if constexpr (std::is_same_v<MessageViewT, traits::AdcTheSameTypeTag>) {
-            return this->_byteStorage;
-        } else {
-            return _messageView;
-        }
-    }
-
-
     const storage_seq_t& storageSeq() override
     {
         this->_storageSequence[0] = this->_byteStorage;
@@ -202,54 +199,203 @@ public:
         return this->_storageSequence;
     };
 
-    // factory function
+protected:
+    void updateState() override {}
+};
 
-    template <traits::adc_input_char_range BT,
+
-              traits::adc_from_bytes_func_c<ByteStorageT, message_view_t> CONVT =
+namespace constants
-                  decltype(utils::AdcDefaultValueConverter<>::deserialize<message_view_t, ByteStorageT>)>
+{
-    static AdcGenericNetMessage fromBytes(
+
-        BT&& bytes,
+static constexpr char ADC_DEFAULT_TOKEN_DELIMITER[] = " ";
-        CONVT&& conv_func = utils::AdcDefaultValueConverter<>::deserialize<message_view_t, ByteStorageT>)
+static constexpr char ADC_DEFAULT_KEY_PARAM_DELIMITER[] = " ";
+static constexpr char ADC_DEFAULT_PARAM_PARAM_DELIMITER[] = " ";
+
+}  // namespace constants
+
+
+template <const char* TOKEN_DELIM = constants::ADC_DEFAULT_TOKEN_DELIMITER,
+          std::ranges::output_range<char> ByteStorageT = std::vector<char>>
+class AdcTokenNetMessage : public AdcGenericNetMessage<ByteStorageT>
+{
+    using base_t = AdcGenericNetMessage<ByteStorageT>;
+
+public:
+    static constexpr std::string_view tokenDelimiter{TOKEN_DELIM};
+
+    using typename base_t::byte_storage_t;
+    using typename base_t::storage_seq_t;
+
+    using base_t::base_t;
+
+    virtual ~AdcTokenNetMessage() = default;
+
+    template <std::ranges::input_range R>
+    void appendTokens(const R& r)
     {
-        AdcGenericNetMessage msg;
+        using el_t = std::ranges::range_value_t<R>;
-        msg.setBytes(std::forward<BT>(bytes));
+        static_assert(traits::adc_input_char_range<el_t> || traits::formattable<el_t>,
+                      "INVALID TYPE OF INPUT TOKENS!!!");
 
-        if constexpr (!std::is_same_v<MessageViewT, traits::AdcTheSameTypeTag>) {
+        size_t n_toks = 0;
-            msg._messageView = conv_func(msg._byteStorage);
+        if ((n_toks = std::ranges::distance(r.begin(), r.end())) == 0) {
+            return;
         }
 
-        return msg;
+        if (!this->byteStorageEmpty()) {
+            this->appendBytes(tokenDelimiter);
+        }
+
+        auto v_start = r | std::views::take(n_toks - 1);
+        for (const auto& el : v_start) {
+            this->appendBytes(el);
+            this->appendBytes(tokenDelimiter);
+        }
+
+        this->appendBytes(*(r.end()--));  // last element
     }
 
 
-    template <std::input_iterator IterT,
+    template <std::ranges::input_range R>
-              traits::adc_from_bytes_func_c<ByteStorageT, message_view_t> CONVT =
+    void setTokens(const R& r)
-                  decltype(utils::AdcDefaultValueConverter<>::deserialize<message_view_t, ByteStorageT>)>
-    static AdcGenericNetMessage fromBytes(
-        IterT begin,
-        IterT end,
-        CONVT&& conv_func = utils::AdcDefaultValueConverter<>::deserialize<message_view_t, ByteStorageT>)
     {
-        AdcGenericNetMessage msg;
+        this->_byteStorage = ByteStorageT();
-        msg.setBytes(begin, end);
+        appendTokens(r);
+    }
 
-        if constexpr (!std::is_same_v<MessageViewT, traits::AdcTheSameTypeTag>) {
+    template <std::ranges::output_range<ByteStorageT> R>
-            msg._messageView = conv_func(msg._byteStorage);
+    void tokens(R& r)
+    {
+        if (this->byteStorageEmpty()) {
+            return;
         }
 
-        return msg;
+        std::ranges::copy(this->_byteStorage | std::views::split(AdcTokenNetMessage::tokenDelimiter),
+                          std::back_inserter(r));
     }
 
 protected:
-    MessageViewT _messageView;
+    // std::vector<ByteStorageT> _tokens;
 
-    void updateState() override
+    void updateState() override {}
+};
+
+
+template <const char* KEY_PARAM_DELIM = constants::ADC_DEFAULT_KEY_PARAM_DELIMITER,
+          const char* PARAM_PARAM_DELIM = constants::ADC_DEFAULT_PARAM_PARAM_DELIMITER,
+          std::ranges::output_range<char> ByteStorageT = std::vector<char>>
+class AdcKeyParamNetMessage : public AdcGenericNetMessage<ByteStorageT>
+{
+    using base_t = AdcGenericNetMessage<ByteStorageT>;
+
+public:
+    static constexpr std::string_view keyparamDelimiter{KEY_PARAM_DELIM};
+    static constexpr std::string_view paramparamDelimiter{PARAM_PARAM_DELIM};
+
+    using typename base_t::byte_storage_t;
+    using typename base_t::storage_seq_t;
+
+    using base_t::base_t;
+
+    virtual ~AdcKeyParamNetMessage() = default;
+
+    // key and params
+    template <typename KeyT, typename... ParamTs>
+    void setKeyParam(KeyT&& key, ParamTs&&... params)
     {
-        if constexpr (!std::is_same_v<MessageViewT, traits::AdcTheSameTypeTag>) {
+        this->_byteStorage = ByteStorageT();
+
+        if constexpr (sizeof...(ParamTs)) {
+            this->setBytes(std::forward<KeyT>(key), keyparamDelimiter);
+            setKeyParamHelper(std::forward<ParamTs>(params)...);
+        } else {
+            this->setBytes(std::forward<KeyT>(key));
+        }
+    }
+
+
+    template <traits::adc_output_char_range R>
+    R key() const
+    {
+        R val;
+
+        if (this->byteStorageEmpty()) {
+            return val;
+        }
+
+        auto v = this->_byteStorage | std::views::split(keyparamDelimiter);
+
+        std::ranges::copy(v | std::views::take(1), std::back_inserter(val));
+
+        return val;
+    }
+
+    template <std::ranges::output_range<ByteStorageT> R>
+    R params(size_t start = 0, size_t N = std::numeric_limits<size_t>::max()) const
+    {
+        R pars;
+
+        if (this->byteStorageEmpty() || !N) {
+            return pars;
+        }
+
+        auto v = this->_byteStorage | std::views::split(keyparamDelimiter);
+
+        size_t k, num = N, n_pars = std::ranges::distance(v.begin(), v.end()) - 1;
+        if (!n_pars) {
+            return;
+        }
+
+        n_pars = 0;
+        for (auto& p : v | std::views::drop(1)) {
+            auto pv = p | std::views::split(paramparamDelimiter);
+            n_pars += std::ranges::distance(pv.begin(), pv.end());
+            if (n_pars < start) {
+                k = start - n_pars;
+                continue;
+            } else {
+                k = 0;
+            }
+
+            std::ranges::copy(pv | std::views::drop(k) | std::views::take(num), std::back_inserter(pars));
+            num -= std::ranges::distance(pars.begin(), pars.end());
+            if (!num) {
+                break;
+            }
+        }
+
+        return pars;
+    }
+
+
+    template <traits::adc_output_char_range R>
+    R paramsBytes(size_t start = 0, size_t N = std::numeric_limits<size_t>::max()) const
+    {
+        R pars_bytes;
+
+        if (this->byteStorageEmpty() || !N) {
+            return pars_bytes;
+        }
+
+        auto p = params<std::vector<ByteStorageT>>(start, N);
+
+        if (std::ranges::distance(p.begin(), p.end())) {
+        }
+
+        return pars_bytes;
+    }
+
+protected:
+    template <typename ParamT, typename... ParamTs>
+    void setKeyParamHelper(ParamT&& param, ParamTs&&... params)
+    {
+        this->appendBytes(std::forward<ParamT>(param));
+
+        if constexpr (sizeof...(ParamTs)) {
+            this->appendBytes(paramparamDelimiter);
+            setKeyParamHelper(std::forward<ParamTs>(params)...);
         }
     }
 };
 
-
-
 }  // namespace adc