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jsonutil.cpp
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jsonutil.cpp
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//
// Created by liyang77 on 2019/12/19.
//
#include "jsonutil.h"
using namespace sharelib;
INDEXLIB_BEGIN_NS(index);
LOG_SETUP(index, JsonUtil);
JsonUtil::JsonUtil(){}
//用于获取实时创建时的索引
size_t JsonUtil::GetFieldCnt(char *src, std::map<std::string, std::string> &values, std::string id1_key, std::string id2_key) {
std::string strValue(src);
Json::Reader reader;
Json::Value value;
Json::FastWriter fast_writer;
std::string keyword,op,id;
int score,id1,id2;
uint64_t wtabletime;
if (reader.parse(strValue, value))
{
if (value["op"].empty() || value["doc"].empty())
return 0;
op = value["op"].asString();
if (0 == strcmp("del",op.c_str())){
//del
values["op"] = op;
wtabletime = value["time"].asUInt64();
values["time"] = std::to_string(wtabletime);
if (value["doc"].isMember("id")){
id = value["doc"]["id"].asString();
values["id"] =id;
}
}else if (0 == strcmp("add",op.c_str())){
//add
if (!value["doc"].isMember("keyword"))
return 0;
if (!value["doc"].isMember("keyword") || !value["doc"].isMember("score") ||value["doc"]["keyword"].empty() || value["doc"]["score"].empty()){
return 1;
}
keyword = value["doc"]["keyword"].asString();
score = value["doc"]["score"].asInt();
wtabletime = value["doc"]["wtabletime"].asUInt64();
std::string doc (fast_writer.write(value["doc"]), 0, fast_writer.write(value["doc"]).size()-1);
values["score"] = std::to_string(score);
values["keyword"] = keyword;
values["op"] = op;
values["doc"] = doc;
values["time"] = std::to_string(wtabletime);
if (value["doc"].isMember("id")){
id = value["doc"]["id"].asString();
values["id"] =id;
}
if (("" != id1_key)&& value["doc"].isMember(id1_key)){
id1 = value["doc"][id1_key].asInt();
values["id1"] = std::to_string(id1);
}
if (("" != id2_key) && value["doc"].isMember(id2_key)){
id2 = value["doc"][id2_key].asInt();
values["id2"] = std::to_string(id2);
}
}
}
return values.size();
}
//用于获取全量创建时的索引
size_t JsonUtil::GetFullBuildFieldCnt(char *src, int fieldCnt, std::map<std::string, std::string> &values, std::string id1_key, std::string id2_key) {
std::string strValue(src);
Json::Reader reader;
Json::Value value;
std::string keyword,id;
int score,id1,id2;
if (reader.parse(strValue, value))
{
keyword = value["keyword"].asString();
score = value["score"].asInt();
id = value["id"].asString();
values["keyword"] = keyword;
values["score"] = std::to_string(score);
values["id"] =id;
if (fieldCnt == 0 ){
return values.size();
}else if (fieldCnt == 1 ){
id1 = value[id1_key].asInt();
values["id1"] = std::to_string(id1);
}
else{
id1 = value[id1_key].asInt();
id2 = value[id2_key].asInt();
//C++中map的insert方法会被直接放弃。不会被覆盖
values["id2"] = std::to_string(id2);
values["id1"] = std::to_string(id1);
}
}
return values.size();
}
// 用于获取文档的id
std::string JsonUtil::GetDocId(const char *src) {
std::string strValue(src);
Json::Reader reader;
Json::Value value;
std::string id;
if (reader.parse(strValue, value))
{
id = value["id"].asString();
}
return id;
}
// 用于获取文档的time
uint64_t JsonUtil::GetDocTime(const char *src) {
std::string strValue(src);
Json::Reader reader;
Json::Value value;
uint64_t time;
if (reader.parse(strValue, value))
{
time = value["wtabletime"].asUInt64();
}
return time;
}
int JsonUtil::GetScore(const char *src) {
std::string strValue(src);
Json::Reader reader;
Json::Value value;
uint64_t score;
if (reader.parse(strValue, value))
{
score = value["score"].asInt();
}
return score;
}
void JsonUtil::WriteJson(std::string &result, int code, std::string msg){
Json::Value root;
Json::Value arrayObj;
Json::Value item;
root["code"] = code;
root["msg"] = msg;
result = root.toStyledString();
// std::string out = root.toStyledString();
// std::cout << out << std::endl;
}
INDEXLIB_END_NS(index);