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/*!
* SparseStateRewardParser.cpp
*
* Created on: 23.12.2012
* Author: Christian Dehnert
*/
#include "src/parser/SparseStateRewardParser.h"
#include "src/exceptions/WrongFileFormatException.h"
#include "src/exceptions/FileIoException.h"
#include "src/utility/OsDetection.h"
#include <cstdlib>
#include <cstdio>
#include <cstring>
#include <clocale>
#include <iostream>
#include <errno.h>
#include <time.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <locale.h>
#include "log4cplus/logger.h"
#include "log4cplus/loggingmacros.h"
extern log4cplus::Logger logger;
namespace mrmc {
namespace parser {
/*!
* Reads a state reward file and puts the result in a state reward vector.
*
* @param stateCount The number of states.
* @param filename The filename of the state reward file.
* @return A pointer to the created state reward vector.
*/
SparseStateRewardParser::SparseStateRewardParser(uint_fast64_t stateCount, std::string const & filename)
: stateRewards(nullptr) {
// Open file.
MappedFile file(filename.c_str());
char* buf = file.data;
char separator[] = " \r\n\t";
// Create state reward vector with given state count.
this->stateRewards = std::shared_ptr<std::vector<double>>(new std::vector<double>(stateCount));
{
// Now parse state reward assignments.
uint_fast64_t state;
double reward;
// Iterate over states.
while (buf[0] != '\0') {
// Parse state number and reward value.
state = checked_strtol(buf, &buf);
reward = strtod(buf, &buf);
if (reward < 0.0) {
LOG4CPLUS_ERROR(logger, "Expected positive probability but got \"" << std::string(buf, 0, 16) << "\".");
throw mrmc::exceptions::WrongFileFormatException() << "State reward file specifies illegal reward value.";
}
(*this->stateRewards)[state] = reward;
buf = trimWhitespaces(buf);
}
}
}
} //namespace parser
} //namespace mrmc