From db57152615104b4634c42946a912200a58bc5f93 Mon Sep 17 00:00:00 2001 From: cheliequan <liequanche@126.com> Date: 星期五, 13 一月 2023 17:58:49 +0800 Subject: [PATCH] 1.重构代码,将模板函数分成两个函数 2.增加get_value_by_key函数 --- util.h | 41 +++++++++++++++++++++-------------------- 1 files changed, 21 insertions(+), 20 deletions(-) diff --git a/util.h b/util.h index 8e38043..b5c19ba 100644 --- a/util.h +++ b/util.h @@ -31,36 +31,23 @@ bool bus_dbapi_get_topic_data(void *handle, const char* topic, crepmsg **pptr_repmsg, size_t len); extern "C" int bus_dbapi_get_json_data(const char * json, char ** pptr_data, uint8_t *ptr_type); bool bus_dbapi_get_str(void *handle, const char* topic, char **pptr_str); -template <class T> bool bus_dbapi_get_list (void *handle, const char* topic, T & list) - +int get_value_by_key(char *json, const char *key, char **pptr_data); +template <class T> bool bus_dbapi_get_list (char *json, T & list) { - char * ptr_value = NULL; size_t data_len = 0; //get the topic json data yyjson_type type = YYJSON_TYPE_OBJ; - crepmsg *repmsg = NULL; - size_t len = 0; - //T t; - //typedef decltype(list) vec_type; using TMPT = typename std::remove_reference<decltype(*list.begin())>::type; TMPT t; - //vec_type::value_type t; - int ret = 0; - - ret = bus_dbapi_get_topic_data(handle, topic, &repmsg, len); - if ( ret < 0 || NULL == repmsg) - { - return false; - } //parse the json to get value of the key "data" - int msglen = strlen(repmsg->data); + int msglen = strlen(json); char* msgdata = (char *)malloc(msglen); memset(msgdata, 0 , msglen); - if(0 == bus_dbapi_get_json_data((const char *)repmsg->data, &msgdata, &type)) + if(0 == bus_dbapi_get_json_data(json, &msgdata, &type)) { printf("======>> protomsg: %s\n", msgdata); } @@ -94,8 +81,7 @@ else { printf("======>> json_to_proto fail\n"); - yyjson_doc_free(doc); - free_reply_msg(repmsg); + yyjson_doc_free(doc); free(msgdata); return false; } @@ -106,8 +92,23 @@ } free(msgdata); - free_reply_msg(repmsg); return true; } + +template <class T> bool bus_dbapi_get_list (void *handle, const char* topic, T & list) +{ + crepmsg *repmsg = NULL; + size_t len = 0; + bool iRet = false; + iRet = bus_dbapi_get_topic_data(handle, topic, &repmsg, len); + if ( (false == iRet)|| (NULL == repmsg)) + { + return false; + } + + iRet = bus_dbapi_get_list(repmsg->data, list); + free_reply_msg(repmsg); + return iRet; +} #endif -- Gitblit v1.8.0