components/esp_matter: move jsontlv utilities to dedicated subdirectory

Signed-off-by: Zhibin (Ryan) Wen <wenzhibin@espressif.com>

components/esp_matter/CMakeLists.txt

@@ -1,10 +1,12 @@
 set(SRC_DIRS_LIST       "."
                         "utils"
+                        "utils/jsontlv"
                         "${MATTER_SDK_PATH}/zzz_generated/app-common/app-common/zap-generated/attributes"
 )
 
 set(INCLUDE_DIRS_LIST   "."
                         "utils"
+                        "utils/jsontlv"
                         "data_model_provider"
                         "${MATTER_SDK_PATH}/zzz_generated/app-common"
                         "${MATTER_SDK_PATH}/third_party/nlfaultinjection/include"

components/esp_matter/utils/jsontlv/element_types.h

@@ -0,0 +1,43 @@
+// Copyright 2026 Espressif Systems (Shanghai) PTE LTD
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#pragma once
+
+namespace esp_matter {
+
+namespace element_type {
+// Supported Data Type
+const char k_int8[] = "I8";
+const char k_int16[] = "I16";
+const char k_int32[] = "I32";
+const char k_int64[] = "I64";
+const char k_uint8[] = "U8";
+const char k_uint16[] = "U16";
+const char k_uint32[] = "U32";
+const char k_uint64[] = "U64";
+const char k_bool[] = "BOOL";
+const char k_float[] = "FP";
+const char k_double[] = "DFP";
+const char k_bytes[] = "BYT";
+const char k_string[] = "STR";
+const char k_null[] = "NULL";
+const char k_object[] = "OBJ";
+const char k_array[] = "ARR";
+const char k_empty[] = "?";
+
+const char k_floating_point_positive_infinity[] = "INF";
+const char k_floating_point_negative_infinity[] = "-INF";
+} // namespace element_type
+
+} // namespace esp_matter

components/esp_matter/utils/jsontlv/json_to_tlv.cpp

@@ -1,4 +1,4 @@
-// Copyright 2023 Espressif Systems (Shanghai) PTE LTD
+// Copyright 2023-2026 Espressif Systems (Shanghai) PTE LTD
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -14,6 +14,7 @@
 
 #include <algorithm>
 #include <cJSON.h>
+#include <element_types.h>
 #include <esp_check.h>
 #include <esp_matter_mem.h>
 #include <json_to_tlv.h>

components/esp_matter/utils/jsontlv/json_to_tlv.h

@@ -1,4 +1,4 @@
-// Copyright 2023 Espressif Systems (Shanghai) PTE LTD
+// Copyright 2023-2026 Espressif Systems (Shanghai) PTE LTD
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -21,30 +21,6 @@
 
 namespace esp_matter {
 
-namespace element_type {
-// Supported Data Type
-const char k_int8[] = "I8";
-const char k_int16[] = "I16";
-const char k_int32[] = "I32";
-const char k_int64[] = "I64";
-const char k_uint8[] = "U8";
-const char k_uint16[] = "U16";
-const char k_uint32[] = "U32";
-const char k_uint64[] = "U64";
-const char k_bool[] = "BOOL";
-const char k_float[] = "FP";
-const char k_double[] = "DFP";
-const char k_bytes[] = "BYT";
-const char k_string[] = "STR";
-const char k_null[] = "NULL";
-const char k_object[] = "OBJ";
-const char k_array[] = "ARR";
-const char k_empty[] = "?";
-
-const char k_floating_point_positive_infinity[] = "INF";
-const char k_floating_point_negative_infinity[] = "-INF";
-} // namespace element_type
-
 /** Convert a JSON object to the given TLVWriter
  *
  * @param[in]   json_str The JSON string that represents a TLV structure