INI配置文件分析小例子

随手写个解析INI配置字符串的小例子 带测试

 

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#include <iostream> #include <map> #include <string> #include "unittest.h"       bool IniParser(std::string inputStr,std::map<std::string,std::string>& keyValueMap){     bool ret = false;     size_t keyStart = 0;       for(keyStart= 0 ;keyStart < inputStr.size();keyStart++){         if(inputStr[keyStart] == ' '){             continue;   //去除空格         }else if( inputStr[keyStart] == ';' || inputStr[keyStart] == '#' ||                   inputStr[keyStart] == '[' || inputStr[keyStart] == ']' || inputStr[keyStart] == '='){             return ret; // 各种意外开头 直接返回失败         }else{             break;         }     }     size_t findPos = inputStr.find_first_of("=",keyStart);     if(std::string::npos == findPos){         return ret;//没有找到"="     }     std::string keyString =  inputStr.substr(keyStart,findPos -keyStart);      // std::cout << "keyString:" << keyString << std::endl;       for(keyStart= findPos+1 ;keyStart < inputStr.size();keyStart++){         if(inputStr[keyStart] == ' '){             continue;   //去除空格         }else{             break;         }     }       std::string valueString = inputStr.substr(keyStart);       //std::cout << "valueString:" << valueString << std::endl;         keyValueMap.insert(std::pair<std::string,std::string>(keyString,valueString));     ret = true;     return ret; }   std::string testStr1 = "key=value"; std::string testStr2 = "  key  =  value";   std::string testStr3 = "# key=value"; std::string testStr4 = "== key=value"; std::string testStr5 = "[ 23423key=value"; std::string testStr6 = "]324234key=value"; std::string testStr7 = ";key= = value"; std::string testStr8 = "  key  = = value";         int main(int argc, char *argv[]) {       std::map<std::string,std::string> keyValueMap;         EXCEPT_EQ( IniParser(testStr1,keyValueMap),true);     EXCEPT_EQ( IniParser(testStr2,keyValueMap),true);     EXCEPT_EQ( IniParser(testStr3,keyValueMap),false);     EXCEPT_EQ( IniParser(testStr4,keyValueMap),false);     EXCEPT_EQ( IniParser(testStr5,keyValueMap),false);     EXCEPT_EQ( IniParser(testStr6,keyValueMap),false);     EXCEPT_EQ( IniParser(testStr7,keyValueMap),false);     EXCEPT_EQ( IniParser(testStr8,keyValueMap),true);             PRINT_TEST_RESULT();     return 0; }

　　测试头文件

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#ifndef UNITTEST_H #define UNITTEST_H #include <iostream>       class MyTestClass {     static size_t testCount_;     static size_t testPass_; public:     template<typename E,typename A>     bool ExceptEqual(E e, A a)     {         testCount_++;         if (e == a){             testPass_++;             return true;         }         return false;     }       void PrintResult(){         std::cout << testPass_ << "/" << testCount_ << "\t" << "("<<(testPass_ * 100.0 / testCount_) << "%)" << " passed." << std::endl;     } }; size_t MyTestClass::testCount_ = 0; size_t MyTestClass::testPass_ = 0;   #define ERROR_PRINT(expect,actual)                  \ std::cerr << __FILE__ <<":"<< __LINE__ << "\r\nexpect: " << expect << "  actual: " << actual << std::endl;     #define EXCEPT_EQ(expect, actual)           \ do{                                         \     MyTestClass TEST;                       \     if(!TEST.ExceptEqual(expect, actual)){  \         ERROR_PRINT(expect,actual)          \     }                                       \ }while(0)   #define PRINT_TEST_RESULT()                 \ do{                                         \     MyTestClass TEST;                       \     TEST.PrintResult();                     \ }while(0)   #endif // UNITTEST_H