entry.cpp

#include "entry.h"

Entry::Entry(){
	for (int i=0;i<21;i++){
		namaFile = namaFile + '\0';
	}
	
	fileAtt = '0';
	
	time_t now = time(0);
	tm *ltm = localtime(&now);
	string year = DecToBin(ltm->tm_year-110); 
	string month = DecToBin(ltm->tm_mon+1);
	string day = DecToBin(ltm->tm_mday);
	string hour = DecToBin(ltm->tm_hour);
	string min = DecToBin(ltm->tm_min);
	string sec = DecToBin(ltm->tm_sec/2);
	string clockRes = checkBin(hour,"hour") + checkBin(min,"minute") + checkBin(sec,"second");
	string dateRes = checkBin(year,"year") + checkBin(month,"month") + checkBin(day,"day");
	
	clock = BinToDec(clockRes);
	date = BinToDec(dateRes);
	
	dir = 0;
	
	size = 0;
	
} 

Entry::Entry(string name, char att, short _dir, int _size){
	namaFile = name;
	for (int i=name.length();i<21;i++){
		namaFile = namaFile + '\0';
	}
	
	fileAtt = att;
	
	time_t now = time(0);
	tm *ltm = localtime(&now);
	string year = DecToBin(ltm->tm_year-110); 
	string month = DecToBin(ltm->tm_mon+1);
	string day = DecToBin(ltm->tm_mday);
	string hour = DecToBin(ltm->tm_hour);
	string min = DecToBin(ltm->tm_min);
	string sec = DecToBin(ltm->tm_sec/2);
	string clockRes = checkBin(hour,"hour") + checkBin(min,"minute") + checkBin(sec,"second");
	string dateRes = checkBin(year,"year") + checkBin(month,"month") + checkBin(day,"day");
	
	clock = BinToDec(clockRes);
	date = BinToDec(dateRes);
	
	dir = _dir;
	
	size = _size;
}

void Entry::setAtt(char att){
	fileAtt = att;
}
void Entry::setClock(){
	time_t now = time(0);
	tm *ltm = localtime(&now);
	string hour = DecToBin(ltm->tm_hour);
	string min = DecToBin(ltm->tm_min);
	string sec = DecToBin(ltm->tm_sec/2);
	string clockRes = checkBin(hour,"hour") + checkBin(min,"minute") + checkBin(sec,"second");
	clock = BinToDec(clockRes);
}
void Entry::setDate(){
	time_t now = time(0);
	tm *ltm = localtime(&now);
	string year = DecToBin(ltm->tm_year-110); 
	string month = DecToBin(ltm->tm_mon+1);
	string day = DecToBin(ltm->tm_mday);
	string dateRes = checkBin(year,"year") + checkBin(month,"month") + checkBin(day,"day");
	date = BinToDec(dateRes);
}
void Entry::setDir(short _dir){
	dir = _dir;
}
void Entry::setSize(int _size){
	size = _size;
}

string Entry::DecToBin(int number)
{
    if ( number == 0 ) return "0";
    if ( number == 1 ) return "1";

    if ( number % 2 == 0 )
        return DecToBin(number / 2) + "0";
    else
        return DecToBin(number / 2) + "1";
}

int Entry::BinToDec(string number)
{
    int result = 0, pow = 1;
    for ( int i = number.length() - 1; i >= 0; --i, pow <<= 1 )
        result += (number[i] - '0') * pow;

    return result;
}

string Entry::checkBin(string binary,string status){
	string zero = "0";
	//cout << "Panjang : " << binary.length() << endl;
	if (status=="hour"){
		int delta = 5-binary.length();
		if (delta>=0){
			for(int i=0;i<delta;i++){
				binary = zero + binary;
			}
		}
	}else if (status=="minute"){
		int delta = 6-binary.length();
		if (delta>=0){
			for(int i=0;i<delta;i++){
				binary = zero + binary;
			}
		}
	}else if (status=="second"){
		int delta = 5-binary.length();
		if (delta>=0){
			for(int i=0;i<delta;i++){
				binary = zero + binary;
			}
		}
	}else if (status=="year"){
		int delta = 7-binary.length();
		if (delta>=0){
			for(int i=0;i<delta;i++){
				binary = zero + binary;
			}
		}
	}else if (status=="month"){
		int delta = 4-binary.length();
		if (delta>=0){
			for(int i=0;i<delta;i++){
				binary = zero + binary;
			}
		}
	}else if (status=="day"){
		int delta = 5-binary.length();
		if (delta>=0){
			for(int i=0;i<delta;i++){
				binary = zero + binary;
			}
		}
	}
	return binary;
}
string Entry::toString(){
	//string namaFile;
	//char fileAtt;
	//unsigned short clock;
	//unsigned short date;
	//unsigned short dir;
	//int size;
	string str = namaFile;
	while (str.length() < 21){
		str = str + '\0';
	}
	str = str + fileAtt;
	str = str + (char)(clock/256);
	str = str + (char)(clock%256);
	str = str + (char)(date/256);
	str = str + (char)(date%256);
	str = str + (char)(dir/256);
	str = str + (char)(dir%256);
	int a,b,c,d;
	a = size/(256*256*256);
	b = size/(256*256);
	b%=256;
	c = size/256;
	c%=256;
	d = size % 256;
	str = str + (char)a;
	str = str + (char)b;
	str = str + (char)c;
	str = str + (char)d;
	//cout << str.length() << endl;
	return str;
}

void Entry::load(string str){
	int idx = 0;
	for (int i=0;i<=21;i++){
		if (str[i] == '\0')
			continue;
		else
			namaFile = namaFile + str[i];
		idx++;
	}
	fileAtt =  str[idx];
	idx++;
	clock = str[idx]*256+str[idx+1];
	idx+=2;
	date = str[idx]*256+str[idx+1];
	idx+=2;
	dir = str[idx]*256+str[idx+1];
	idx+=2;
	size = str[idx]*256*256*256 + str[idx+1]*256*256 + str[idx+2]*256 + str[idx+3];
}