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ConfigFileParser.cpp
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Wed, Jul 9, 23:46

ConfigFileParser.cpp
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/** @file ConfigFileParser.cpp
* @author Sergio Hernandez
*
* This file is part of the Conjugate Gradient Project
*
*
* This class performs the parsing of a standard configuration file.
*
*/
#include "ConfigFileParser.hpp"
ConfigFileParser::ConfigFileParser() {
defaultKeys.push_back("type_input");
defaultKeys.push_back("N");
defaultKeys.push_back("tol");
defaultKeys.push_back("max_iter");
defaultKeys.push_back("type_output");
defaultKeys.push_back("outputFile");
defaultKeys.push_back("number_outputs");
}
ConfigFileParser::~ConfigFileParser(){}
std::map<std::string,std::string> ConfigFileParser::getData(){
return data;
}
void ConfigFileParser::setData(std::map<std::string,std::string> pData)
{
data=pData;
}
std::string ConfigFileParser::getFName(){
return fName;
}
void ConfigFileParser::parseFile(std::string pFname){
fName = pFname;
std::cout<<"Parsing file: " << fName << std::endl;
std::ifstream file;
file.open(fName.c_str());
if (!file)
throw FileNotFoundException();
std::string line;
while (std::getline(file, line))
{
std::string temp = line;
if (temp.empty()) //Empty Line
continue;
if(temp.front() =='#') //Comment Line
continue;
std::istringstream str_line(temp);
std::string key;
if( std::getline(str_line, key, '=') )
{
std::string value;
if( std::getline(str_line, value) ){
if (!key.empty() && !value.empty()) { //Verify that the two values exist
data[key] = value;
//std::cout << "key: " << key << std::endl;
//std::cout << "value: " << value << std::endl;
}
else
throw FileParserException();
}
}
}
file.close();
}
void ConfigFileParser::verify(){
for(int i=0;i<defaultKeys.size();++i){
std::string defaultKey = defaultKeys[i];
valueExistsForKey(defaultKey);
}
}
bool ConfigFileParser::valueExistsForKey(std::string key){
auto iter = data.find(key);
if (iter == data.end())
throw FileParserException();
else
return true;
}

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