pldm: Optimized parsing of PDR JSON files

Move the generateStateEffecterRepo method of parse JSON to
pdr_state_effecter.hpp.

Tested with JSON files:
 https://gist.github.com/lxwinspur/2c3fd68cdb35e06480c4a5f7890e3a06#file-effecter_pdr-json.

 pldmtool platform GetPDR -d 1
 Encode request successfully
 Request Message:
 08 01 80 02 51 01 00 00 00 00 00 00 00 01 80 00 00 00
 Success in creating the socket : RC = 3
 Success in connecting to socket : RC = 0
 Success in sending message type as pldm to mctp : RC = 0
 Write to socket successful : RC = 18
 Total length:18
 Loopback response message:
 08 01 80 02 51 01 00 00 00 00 00 00 00 01 80 00 00 00
 On first recv(),response == request : RC = 0
 Total length: 46
 Shutdown Socket successful :  RC = 0
 Response Message:
 08 01 00 02 51 00 02 00 00 00 00 00 00 00 01 1d 00 01 00 00 00 01 0b 00 00 13 00 00 00 01 00 21 00 00 00 00 00 00 00 00 00 01 c4 00 01 06
 Parsed Response Msg:
 nextRecordHandle: 2
 responseCount: 29
 recordHandle: 1
 PDRHeaderVersion: 1
 PDRType: 11
 recordChangeNumber: 0
 dataLength: 19
 PLDMTerminusHandle: 0
 effecterID: 1
 entityType: 33
 entityInstanceNumber: 0
 containerID: 0
 effecterSemanticID: 0
 effecterInit: 0
 effecterDescriptionPDR: false
 compositeEffecterCount: 1
 stateSetID: 196
 possibleStatesSize: 1
 possibleStates: 6

Signed-off-by: George Liu <liuxiwei@inspur.com>
Change-Id: I8428ed042fb0a90ecc448073f059f66360066306
diff --git a/libpldmresponder/platform.hpp b/libpldmresponder/platform.hpp
index 9c8860e..75a1ad3 100644
--- a/libpldmresponder/platform.hpp
+++ b/libpldmresponder/platform.hpp
@@ -24,10 +24,13 @@
 using namespace pldm::utils;
 using namespace pldm::responder::pdr_utils;
 
+using generatePDR =
+    std::function<void(const Json& json, pdr_utils::RepoInterface& repo)>;
+
 using EffecterId = uint16_t;
-using DbusMappings = std::vector<DBusMapping>;
-using DbusValMaps = std::vector<StatestoDbusVal>;
-using DbusObjMaps = std::map<EffecterId, std::tuple<DbusMappings, DbusValMaps>>;
+using DbusObjMaps =
+    std::map<EffecterId,
+             std::tuple<pdr_utils::DbusMappings, pdr_utils::DbusValMaps>>;
 
 class Handler : public CmdHandler
 {
@@ -60,17 +63,19 @@
      *  @param[in] dbusObj - list of D-Bus object structure and list of D-Bus
      *                       property value to attribute value
      */
-    void addDbusObjMaps(uint16_t effecterId,
-                        std::tuple<DbusMappings, DbusValMaps> dbusObj);
+    void addDbusObjMaps(
+        uint16_t effecterId,
+        std::tuple<pdr_utils::DbusMappings, pdr_utils::DbusValMaps> dbusObj);
 
     /** @brief Retrieve an effecter id -> D-Bus objects mapping
      *
      *  @param[in] effecterId - effecter id
      *
-     *  @return std::tuple<DbusMappings, DbusValMaps> - list of D-Bus object
-     *          structure and list of D-Bus property value to attribute value
+     *  @return std::tuple<pdr_utils::DbusMappings, pdr_utils::DbusValMaps> -
+     *          list of D-Bus object structure and list of D-Bus property value
+     *          to attribute value
      */
-    const std::tuple<DbusMappings, DbusValMaps>&
+    const std::tuple<pdr_utils::DbusMappings, pdr_utils::DbusValMaps>&
         getDbusObjMaps(uint16_t effecterId) const;
 
     uint16_t getNextEffecterId()