1 #include <iostream> 2 #include <string> 3 #include <stdint.h> 4 #include <map> 5 #include <fstream> 6 #include <stdlib.h> 7 #include <stdio.h> 8 9 enum 10 { 11 enmMaxConfigWordLen = 32, 12 }; 13 14 typedef std::map<std::string,std::string> ATTRMAP; 15 16 17 void GetTextFileContent(const char *fileName,char buf[],const uint32_t maxBufLen,uint32_t &readBufLen) 18 { 19 std::ifstream file(fileName,std::ios::in); 20 if(!file) 21 { 22 return ; 23 } 24 char c; 25 readBufLen = 0; 26 while(file.get(c) && readBufLen < maxBufLen) 27 { 28 if(c != ' ' && c != ' ' && c != 9) 29 { 30 buf[readBufLen++] = c; 31 } 32 } 33 buf[readBufLen]=' '; 34 } 35 36 void GetAllAttrFromStr(const char *buf,const uint32_t bufLen,ATTRMAP &attrMap) 37 { 38 char key[enmMaxConfigWordLen],value[enmMaxConfigWordLen]; 39 int32_t flag = 0,len = 0; //0->key,1->value 40 for(uint32_t i = 0;i < bufLen; ++i) 41 { 42 const char &c = buf[i]; 43 switch(c) 44 { 45 case '{':flag=0;break; 46 case '}': 47 value[len] = ' '; 48 attrMap[key] = value; 49 break; 50 case ':': 51 key[len] = ' '; 52 len = 0; 53 flag = 1; 54 break; 55 case ',': 56 value[len] = ' '; 57 len = 0; 58 flag = 0; 59 attrMap[key] = value; 60 break; 61 default: 62 if( flag == 0 ) 63 { 64 key[len++] = c; 65 } 66 else if( flag == 1 ) 67 { 68 value[len++] = c; 69 } 70 break; 71 } 72 } 73 } 74 75 76 int32_t main() 77 { 78 const uint32_t maxFileBufLen = 1024; 79 char buf[maxFileBufLen]; 80 uint32_t bufLen; 81 GetTextFileContent("dbconfig.cfg",buf,maxFileBufLen,bufLen); 82 ATTRMAP attrMap; 83 GetAllAttrFromStr(buf,bufLen,attrMap); 84 std::string szHost = attrMap["host"]; 85 std::string szUsr = attrMap["user"]; 86 std::string szPasswd = attrMap["passwd"]; 87 std::string szDbName = attrMap["dbname"]; 88 std::string szTableName = attrMap["tablename"]; 89 uint32_t unPort = atol(attrMap["port"].c_str()); 90 printf("szHost = '%s' szUsr = '%s' szPasswd = '%s' szDbName = '%s' szTableName = '%s' unPort = %d ", 91 szHost.c_str(),szUsr.c_str(),szPasswd.c_str(),szDbName.c_str(),szTableName.c_str(),unPort); 92 return 0; 93 }
测试文件:
{ host:192.168.75.134, port:3306, user:sdo, passwd:123456, dbname:sdo_config, tablename:sdo_item }
测试结果:
szHost = '192.168.75.134' szUsr = 'sdo' szPasswd = '123456' szDbName = 'sdo_config' szTableName = 'sdo_item' unPort = 3306