this->tp_dcs = hexStringToInt(pduString.substr(stringLocation, 2));	stringLocation += 2;	//TIMESTAMP	this->tp_scts = pduString.substr(stringLocation, 14);	stringLocation += 14;	//DATA Lenght	this->tp_length = hexStringToInt(pduString.substr(stringLocation, 2));	stringLocation += 2;	//DATA raw unencoded	this->tp_data = pduString.substr(stringLocation, pduString.length() - stringLocation);	stringLocation += pduString.length() - stringLocation;	}/** * void parsePDU_send ( string ) * --------------------------------------------------------------- * Parses a string representing a SMS in PDU mode *  * Example: * pdu MyPDU; * int MyResult = MyPDU.parsePDU("ADGHJ....5F"); * cout << MyResult << endl; *  * ( will result in 1 , being printed if ok, -1 on failure ) *  * */void pdu::parsePDU_send(string pduString) {	int stringLocation = 0;			this->tp_msgref = hexStringToInt(pduString.substr(stringLocation, 2));	stringLocation += 2;		this->sender_length = hexStringToInt(pduString.substr(stringLocation, 2));		stringLocation += 2;	cout << stringLocation << endl;		int evenSenderLength = this->sender_length + ( this->sender_length % 2 );			this->sender_type_of_address = hexStringToInt(pduString.substr(stringLocation, 2));	stringLocation += 2;	cout << stringLocation << endl;	this->sender_number = semiOctetToString( pduString.substr(stringLocation, evenSenderLength ));	this->sender_number = this->sender_number.substr(0, this->sender_length);	stringLocation += evenSenderLength;		this->tp_pid = hexStringToInt(pduString.substr(stringLocation, 2));	stringLocation += 2;		//DATA Coding scheme tp_dcs	this->tp_dcs = hexStringToInt(pduString.substr(stringLocation, 2));	stringLocation += 2;		this->tp_validity = hexStringToInt(pduString.substr(stringLocation, 2));	stringLocation += 2;			this->tp_length = hexStringToInt(pduString.substr(stringLocation, 2));	stringLocation += 2;	//DATA raw unencoded		this->tp_data = pduString.substr(stringLocation, (pduString.length() - stringLocation) + 2);	stringLocation += pduString.length() - stringLocation;	cout<< "tp_data " << this->tp_data << endl;}/** * string userData7_to_8 ( void ) * --------------------------------------------------------------- * Parses the user data in a SMS in PDU mode with 7bit encoding *  * Example: * pdu MyPDU; * int MyResult = MyPDU.parsePDU("ADGHJ....5F"); * cout << MyPDU.userData() << endl;// always use this method, * 									// it will select the correct * 									// decoding algorithm *  * returns a human readable string *  * */string pdu::userData7_to_8() {		unsigned int pos;	int septetCnt = 1;	string byteString = "";	string messageAscii;		if ( this->tp_data.length() == 0 || this->tp_data.length() % 2 != 0 ) {		return "";	}		for (pos = 0; pos < this->tp_data.length(); pos += 2) {		byteString += intToBinString(hexStringToInt(this->tp_data.substr(pos, 2)));	}		string * octetArray = new string[(byteString.length() / 8) + 1];	string * restArray = new string[(byteString.length() / 8) + 1];	string * septetsArray = new string[(byteString.length() / 8) + 1];		for (pos = 0; pos < byteString.length(); pos += 8) {		octetArray[pos/8] = byteString.substr(pos, 8);		restArray[pos/8] = octetArray[pos/8].substr(0, septetCnt % 8);		septetsArray[pos/8] = octetArray[pos/8].substr(septetCnt % 8, 8);						septetCnt++;		if (septetCnt == 8){			septetCnt = 1;		}	}		for (pos = 0; pos < (byteString.length() / 8); pos++) {		if (pos % 7 == 0){			if (pos != 0) {				messageAscii = messageAscii + lookup_ascii7to8[binStringToInt(restArray[pos - 1])];			}			messageAscii = messageAscii + lookup_ascii7to8[binStringToInt(septetsArray[pos])];		} else {			messageAscii = messageAscii + lookup_ascii7to8[binStringToInt(septetsArray[pos] + restArray[pos - 1])];		}	}			return messageAscii;	}/** * string userData8_to_8 ( void ) * --------------------------------------------------------------- * Parses the user data in a SMS in PDU mode with 8bit encoding *  * Example: * pdu MyPDU; * int MyResult = MyPDU.parsePDU("ADGHJ....5F"); * cout << MyPDU.userData() << endl;// always use this method, * 									// it will select the correct * 									// decoding algorithm *  * returns a human readable string *  * */string pdu::userData8_to_8() {	unsigned int pos;	string messageAscii = "";		for (pos = 0; pos < this->tp_data.length(); pos+=2) {		messageAscii += (char) hexStringToInt(this->tp_data.substr(pos, 2));	}	cout << "userdata8_to_8" << endl;	return messageAscii;}/** * string userData16_to_8 ( void ) * --------------------------------------------------------------- * Parses the user data in a SMS in PDU mode with 16bit encoding *  * Example: * pdu MyPDU; * int MyResult = MyPDU.parsePDU("ADGHJ....5F"); * cout << MyPDU.userData() << endl;// always use this method, * 									// it will select the correct * 									// decoding algorithm *  * returns a human readable string *  * */string pdu::userData16_to_8() {	unsigned int pos;	string messageAscii = "";		for (pos = 0; pos < this->tp_data.length(); pos+=4) {		messageAscii += (char) ( hexStringToInt(this->tp_data.substr(pos, 2)) * 256 )						+ hexStringToInt(this->tp_data.substr(pos+2, 2));	}	return messageAscii;}string pdu::userData() {	switch ( getDCSAlphabet() ) {		case 0:			return userData7_to_8();			break;		case 4:			return userData8_to_8();			break;		case 8:			return userData16_to_8();			break;	}	return "";	}int pdu::getDCSAlphabet() {	switch (this->tp_dcs & 192) {		case 0:			return this->tp_dcs & 12;			break;		case 192:			switch (this->tp_dcs & 0x30) {				case 0x20:					return 8;					break;				case 0x30:					if ( this->tp_dcs & 0x4 ) {						return 0;					} else {						return 4;					}					break;				default:					return 0;					break;			}		default:			return 0;			break;	}}string pdu::getText() {	return userData();}string pdu::getSender() {		if ( this->sender_type_of_address == 145 ){		return "+" + this->sender_number;	}	return this->sender_number;}int pdu::setText( string smstext ) {	if ( smstext.length() > 160 ) {		return 0;	}	this->tp_text = smstext;	return 1;}int pdu::setSender( string number ) {		this->sender_type_of_address = 146;	if ( number.substr(0,1) == "+" ) {		this->sender_type_of_address = 145;		this->sender_number = number.substr(1, number.length() - 1);	} else {		this->sender_number = number;	}		this->sender_length = this->sender_number.length();	if ( this->sender_number.length() % 2 == 1 ) {		this->sender_number + "F";	}		return 1;}string pdu::userTextTo7(void) {	unsigned int pos;	string current, octetFirst, octetSecond, currentOctet;	string output;		for (pos = 0; pos < this->tp_text.length(); pos++) {		current = intToBinString(lookup_ascii8to7[ this->tp_text[pos] ]);						if ( ( pos != 0 ) && ( pos % 8 != 0 ) ) {			octetFirst = current.substr(7 - ( pos % 8 ), current.length() );			currentOctet = octetFirst + octetSecond;						output += intToHexString(binStringToInt(currentOctet));						octetSecond = current.substr(0, 7 - (pos % 8));		} 		else {			octetSecond = current.substr(0, 7 - (pos % 8));		}				if ( ( pos + 1 == this->tp_text.length() ) && ( octetSecond != "" ) ) {						output += intToHexString(binStringToInt(octetSecond));								}			}	return output;}string pdu::encodePDU() {	string pduString;		pduString = "00";											// SMSC_LENGHT	pduString += "1100";										// FIRST OCTET ( message submit & tp reference)	pduString += intToHexString(this->sender_length);			// SENDER_LENGHT	pduString += intToHexString(this->sender_type_of_address);  // SENDER_TYPE	pduString += stringToSemiOctet(this->sender_number);		// SENDER_NUMBER	pduString += "0000";										// TP-PID TP-DCS ( 7-bit default encoding )	pduString += "AA";											// VALIDITY ( 4 days )	pduString += intToHexString(this->tp_text.length());	pduString += userTextTo7();	cout << "end of encodePdu" << endl;	return pduString;}