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

#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

#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