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/**
* @file
* @author 2012-2013 Stefan Radomski (stefan.radomski@cs.tu-darmstadt.de)
* @copyright Simplified BSD
*
* @cond
* This program is free software: you can redistribute it and/or modify
* it under the terms of the FreeBSD license as published by the FreeBSD
* project.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the FreeBSD license along with this
* program. If not, see <http://www.opensource.org/licenses/bsd-license>.
* @endcond
*/
#include "Storage.h"
#include <iostream>
#include <fstream>
#include <istream>
namespace uscxml {
Storage::Storage(const std::string& filename) {
_filename = filename;
// std::cout << _filename << std::endl;
std::fstream file;
file.open(_filename.c_str(), std::ios_base::in);
// read content into data
std::string key;
std::string value;
while(std::getline(file, key, '\0')) {
if(std::getline(file, value, '\0')) {
_data[key] = value;
}
}
file.close();
}
Storage::~Storage() {
std::fstream file;
file.open(_filename.c_str(), std::ios_base::out);
// file.clear();
std::map<std::string, std::string>::iterator dataIter = _data.begin();
while(dataIter != _data.end()) {
// include trailing \0
file.write(dataIter->first.c_str(), dataIter->first.length() + 1);
file.write(dataIter->second.c_str(), dataIter->second.length() + 1);
dataIter++;
}
// file.flush();
file.close();
}
unsigned long Storage::getLength() {
return _data.size();
}
std::string Storage::key(unsigned long index) {
if (index > getLength())
return "";
std::map<std::string, std::string>::iterator dataIter = _data.begin();
for (unsigned int i = 0; i < index; i++) {
dataIter++;
}
return dataIter->first;
}
std::string Storage::getItem(const std::string& key) {
if (_data.find(key) == _data.end())
return "";
return _data[key];
}
void Storage::setItem(const std::string& key, const std::string& value) {
_data[key] = value;
}
void Storage::removeItem(const std::string& key) {
if (_data.find(key) == _data.end())
return;
_data.erase(key);
}
void Storage::clear() {
_data.clear();
}
}
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