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ConfigFile.tpp
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Sun, Dec 22, 07:57

ConfigFile.tpp
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#include <iostream>
#include <fstream>
#include <stdio.h>
#include <stdlib.h>
#include <sstream>
#include "ConfigFile.h"
ConfigFile::ConfigFile(const std::string& fileName){
std::ifstream file;
file.open(fileName.c_str());
if (!file){
std::cerr << "[ConfigFile] Impossible d'ouvrir le fichier " << fileName << std::endl;
}
else{
std::string lineread;
while(getline(file, lineread)){
process(lineread);
}
file.close();
}
}
ConfigFile::~ConfigFile(){}
void ConfigFile::printOut(const std::string& path) const {
std::ofstream outputFile(path.c_str());
if (outputFile.is_open())
{
outputFile << toString() << std::endl;
}
outputFile.close();
}
std::string ConfigFile::toString() const {
std::string strToReturn;
for (std::map<std::string,std::string>::const_iterator iter = configMap.begin(); iter != configMap.end(); ++iter) {
strToReturn.append(iter->first);
strToReturn.append("=");
strToReturn.append(iter->second);
strToReturn.append("\n");
}
return strToReturn;
}
void ConfigFile::process(const std::string& lineread) {
size_t commentPosition=trim(lineread).find('%',0);
if(commentPosition!=0 && trim(lineread).length()>0){ // End of line is counted as a character on some architectures
size_t equalPosition = lineread.find('=',1);
if(equalPosition==std::string::npos){
std::cerr << "[ConfigFile] Ligne sans '=' : \"" << trim(lineread) << "\"" << std::endl;
}else{
std::string key = trim(lineread.substr(0,equalPosition));
std::string value = trim(lineread.substr(equalPosition+1,lineread.length()));
std::map<std::string, std::string>::const_iterator val = configMap.find(key);
if (val != configMap.end()) {
configMap.erase(key);
}
configMap.insert( std::pair<std::string, std::string>(key,value) );
}
}
}
template<typename T> T ConfigFile::get(const std::string& key) const{
std::map<std::string, std::string>::const_iterator val = configMap.find(key);
T out;
if ( val != configMap.end() ) {
std::istringstream iss(val->second);
iss >> out;
std::cout << "\t" << key << "=" << out << std::endl;
}else{
std::cerr << "[ConfigFile] Le parametre suivant est manquant : " << key << std::endl;
}
return out;
}
template<> bool ConfigFile::get<bool>(const std::string& key) const{
std::istringstream iss(configMap.find(key)->second);
bool result(false);
iss >> result;
if (iss.fail()){
iss.clear();
iss >> std::boolalpha >> result;
}
std::cout << "\t" << key << "=" << result << std::endl;
return result;
}
std::string ConfigFile::trim(const std::string& str)
{ // Remove tabs and spaces at the beginning and end of a string
size_t first = str.find_first_not_of(" \t");
if(first==std::string::npos)
return "";
size_t last = str.find_last_not_of(" \t\r");
return str.substr(first, (last-first+1));
}

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