155 lines
3.9 KiB
C++
155 lines
3.9 KiB
C++
// A Test to read Config files
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// This is a modified version
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// The Config File Should be a text file
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// and the content as follows
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// key=value
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#include "cfgfile.hh"
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static void Trim(std::string &str){
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if(str.empty()){//String is empty
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return;
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}
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size_t i,start_pos,end_pos;
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for(i=0;i<str.size();i++){//Get Start Position
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if(!isspace(str[i])){
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break;
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}
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}
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if(i==str.size()){//Only Space and Tabs in string
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return;
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}
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start_pos=i;
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for(i=str.size()-1;i>=0;i--){//Get End Position
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if(!isspace(str[i])){
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break;
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}
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}
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end_pos=i;
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str=str.substr(start_pos,end_pos+1);
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}
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bool readCfgFile(std::string &cfgfilePath,conf_map &configs){
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//Open The Config File and load config to map
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std::fstream cfgfile;
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cfgfile.open(cfgfilePath);
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if(!cfgfile.is_open()){
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std::cout<<"Failed to open the file!"<<std::endl;
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return false;
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}
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//If Map is not empty,clear it
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if(!configs.empty()){
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configs.clear();
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}
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//Read each line of config file and get value
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char tmp[1000];
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while(!cfgfile.eof()){
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cfgfile.getline(tmp,1000);
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std::string line(tmp),value;
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std::size_t pos = line.find('=');//Get the position of '='
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if(pos == std::string::npos){//No Configs
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continue;
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}
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std::string key=line.substr(0,pos);
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value=line.substr(pos+1);
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//Clear Spaces
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Trim(key);Trim(value);
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configs[key]=value;
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}
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cfgfile.close();
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return true;
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}
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// Some Test Codes,for Test Purpose only.
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// void readcfg(){
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// //Input Config File Path and Key
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// char filename[1000];
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// std::string cfgkey;
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// conf_map test_config;
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// std::cout<<"Input Config File Name:";//Config File Name
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// std::cin.get();//Clear the cin to read line
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// std::cin.getline(filename,1000);
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// std::cout<<"Input Config Key:";//Config Key
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// std::cin>>cfgkey;
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// //Get The Config
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// if(readCfgFile(filename,test_config)){
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// std::cout<<"The Config Of "<<cfgkey<<" is "<<test_config[cfgkey]<<std::endl;
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// }else{
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// std::cout<<"Failed to Read Config!"<<std::endl;
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// }
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// }
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// void appendcfg(){
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// //Input Config File Path and Key
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// char filename[1000];
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// std::string cfgkey,cfgvalue;
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// std::cout<<"Input Config File Name:";
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// std::cin.get();//Clear the cin to read line
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// std::cin.getline(filename,1000);
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// //Append Config
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// std::fstream cfgfile;
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// cfgfile.open(filename,std::ios_base::app);
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// if(cfgfile.is_open()){
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// std::cout<<"Input Config Key And Config Value:";
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// std::cin>>cfgkey>>cfgvalue;
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// cfgfile<<std::endl;
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// cfgfile<<cfgkey<<"="<<cfgvalue;
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// cfgfile.close();
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// }else{
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// std::cout<<"Config File Open Failed!"<<std::endl;
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// }
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// }
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// void show_configs(){
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// //Input Config File Path and Key
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// char filename[1000];
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// conf_map test_config;
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// std::cout<<"Input Config File Name"<<std::endl;//Config File Name
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// std::cin.get();//Clear the cin to read line
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// std::cin.getline(filename,1000);
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// //Get The Config and Show all Config in map
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// if(readCfgFile(filename,test_config)){
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// auto mite=test_config.begin();
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// for(;mite!=test_config.end();mite++){
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// std::cout<<mite->first<<"="<<mite->second<<std::endl;
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// }
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// }else{
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// std::cout<<"Failed to Read Config!"<<std::endl;
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// }
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// }
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// int main(int argc,char **argv){
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// //Function Pointer to select mode
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// pfun feature[]={readcfg,appendcfg,show_configs};
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// //Get Selection and execute a mode
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// int selection;
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// std::cout<<"0.Read a Config 1.Append a Config 2.Show all Configs"<<std::endl<<"Selection a mode:";
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// std::cin>>selection;
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// feature[selection]();
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// return 0;
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// }
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