#include <iostream>

 #include <string>

 #include <stdint.h>

 #include <map>

 #include <fstream>

 #include <stdlib.h>

 #include <stdio.h>

 enum

 {

     enmMaxConfigWordLen = ,

 };

 typedef std::map<std::string,std::string> ATTRMAP;

 void GetTextFileContent(const char *fileName,char buf[],const uint32_t maxBufLen,uint32_t &readBufLen)

 {

     std::ifstream file(fileName,std::ios::in);

     if(!file)

     {

         return ;

     }

     char c;

     readBufLen = ;

     while(file.get(c) && readBufLen < maxBufLen)

     {

         if(c != '\n' && c != ' ' && c != )

         {

             buf[readBufLen++] = c;

         }

     }

     buf[readBufLen]='\0';

 }

 void GetAllAttrFromStr(const char *buf,const uint32_t bufLen,ATTRMAP &attrMap)

 {

     char key[enmMaxConfigWordLen],value[enmMaxConfigWordLen];

     int32_t flag = ,len = ;       //0->key,1->value

     for(uint32_t i = ;i < bufLen; ++i)

     {

         const char &c = buf[i];

         switch(c)

         {

         case '{':flag=;break;

         case '}':

             value[len] = '\0';

             attrMap[key] = value;

             break;

         case ':':

             key[len] = '\0';

             len = ;

             flag = ;

             break;

         case ',':

             value[len] = '\0';

             len = ;

             flag = ;

             attrMap[key] = value;

             break;

         default:

             if( flag ==  )

             {

                 key[len++] = c;

             }

             else if( flag ==  )

             {

                 value[len++] = c;

             }

             break;

         }

     }

 }

 int32_t main()

 {

     const uint32_t maxFileBufLen = ;

     char buf[maxFileBufLen];

     uint32_t bufLen;

     GetTextFileContent("dbconfig.cfg",buf,maxFileBufLen,bufLen);

     ATTRMAP attrMap;

     GetAllAttrFromStr(buf,bufLen,attrMap);

     std::string szHost = attrMap["host"];

     std::string szUsr = attrMap["user"];

     std::string szPasswd = attrMap["passwd"];

     std::string szDbName = attrMap["dbname"];

     std::string szTableName = attrMap["tablename"];

     uint32_t unPort = atol(attrMap["port"].c_str());

     printf("szHost = '%s'\nszUsr = '%s'\nszPasswd = '%s'\nszDbName = '%s'\nszTableName = '%s'\nunPort = %d\n",\

         szHost.c_str(),szUsr.c_str(),szPasswd.c_str(),szDbName.c_str(),szTableName.c_str(),unPort);

     return ;

 }

{

    host:192.168.75.134,

    port:,

    user:sdo,

    passwd:,

    dbname:sdo_config,

    tablename:sdo_item

}

szHost = '192.168.75.134'

szUsr = 'sdo'

szPasswd = ''

szDbName = 'sdo_config'

szTableName = 'sdo_item'

unPort =