/*
* Decode URLs without doing any charset conversion.
*
* Most simple approach to do it without any lookahead.
*/
static QByteArray decodePercentEncoding(const QByteArray& input)
{
int actualLength = 0;
QByteArray tmpVal;
QByteArray output;
ParserState state = State_Begin;
output.resize(input.length());
tmpVal.resize(2);
for (int i = 0; i < input.length(); ++i)
if (state == State_Begin) {
if (input.at(i) == '%') {
state = State_FirstChar;
} else {
output[actualLength++] = input[i];
}
} else if (state == State_FirstChar) {
state = State_SecondChar;
tmpVal[0] = input[i];
} else if (state == State_SecondChar) {
state = State_Begin;
tmpVal[1] = input[i];
output[actualLength++] = tmpVal.toShort(0, 16);
}
output.resize(actualLength);
return output;
}
void QCmdParser::GetThreshold( QByteArray &data, QString &strInfo )
{
QByteArray byHex = data.toHex( );
if ( 2 > byHex.count( ) ) {
return;
}
qint8 cHigh = byHex.at( 0 );
qint8 nLow = byHex.at( 1 );
data.clear( );
data.append( ( qint8 ) byHex.toShort( ) );
strInfo.sprintf( "%c.%c", cHigh, nLow );
}
/**@brief convert QString to short int (2 bytes, 16 bits);
*
*@param str [IN]: the string to convert;
*@param data [OUT]: the result is stored in this parm;
*@return bool: if convert succeed, return true; else, return false.
*@note
*/
bool Lms511Thread::Str2Int_16(QByteArray str, unsigned short int * data)
{
bool ok;
*data = str.toShort(&ok, 16);
return ok;
}
void BytesInteger::transform(const QByteArray &input, QByteArray &output)
{
output.clear();
if (input.isEmpty())
return;
bool reverseByteOrdering = false;
#ifdef Q_LITTLE_ENDIAN
bool currentSystemLittleEndian = true;
#else
bool currentSystemLittleEndian = false;
#endif
if (currentSystemLittleEndian != littleendian) {
reverseByteOrdering = true;
}
QByteArray temp = input;
if (wayValue == INBOUND) {
if (temp.size() > integerSize) {
temp = temp.mid(0,integerSize);
emit warning(tr("Input size too big for the selected Integer size. the last bytes have been ignored"),id);
}
if (temp.size() < integerSize) {
if (reverseByteOrdering)
temp.prepend(QByteArray(integerSize - temp.size(),'\x00'));
else
temp.append(QByteArray(integerSize - temp.size(),'\x00'));
emit error(tr("Input size too small for the selected Integer size. Padded with zeros"),id);
}
if (reverseByteOrdering) {
QByteArray temp2;
for (int i = temp.size() - 1; i >= 0; i--) {
temp2.append(temp.at(i));
}
temp = temp2;
}
if (signedInteger) {
switch (integerSize) {
case I8bits: {
qint8 val = 0;
memcpy(&val, temp.data(), integerSize);
output.append(QByteArray::number(val));
break;
}
case I16bits: {
qint16 val = 0;
memcpy(&val, temp.data(), integerSize);
output.append(QByteArray::number(val));
break;
}
case I32bits: {
qint32 val = 0;
memcpy(&val, temp.data(), integerSize);
output.append(QByteArray::number(val));
break;
}
case I64bits: {
qint64 val = 0;
memcpy(&val, temp.data(), integerSize);
output.append(QByteArray::number(val));
break;
}
}
} else {
switch (integerSize) {
case I8bits: {
quint8 val = 0;
memcpy(&val, temp.data(), integerSize);
output.append(QByteArray::number(val));
break;
}
case I16bits: {
quint16 val = 0;
memcpy(&val, temp.data(), integerSize);
output.append(QByteArray::number(val));
break;
}
case I32bits: {
quint32 val = 0;
memcpy(&val, temp.data(), integerSize);
output.append(QByteArray::number(val));
break;
}
case I64bits: {
quint64 val = 0;
memcpy(&val, temp.data(), integerSize);
output.append(QByteArray::number(val));
break;
}
}
}
} else {
bool ok;
char data[8] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
if (signedInteger) {
switch (integerSize) {
case I8bits: {
qint16 val16 = input.toShort(&ok);
if (ok && val16 > -129 && val16 < 128) {
qint8 val8 = (qint8)val16;
memcpy(data, &val8, I8bits);
} else {
emit error(tr("Invalid 8bits signed Integer"),id);
}
break;
}
case I16bits: {
qint16 val16 = input.toShort(&ok);
if (ok) {
memcpy(data, &val16, I16bits);
} else {
emit error(tr("Invalid 16bits signed Integer"),id);
}
break;
}
case I32bits: {
qint32 val32 = input.toInt(&ok);
if (ok) {
memcpy(data, &val32, I32bits);
} else {
emit error(tr("Invalid 32bits signed Integer"),id);
}
break;
}
case I64bits: {
qint64 val64 = input.toInt(&ok);
if (ok) {
memcpy(data, &val64, I64bits);
} else {
emit error(tr("Invalid 64bits signed Integer"),id);
}
break;
}
}
} else {
switch (integerSize) {
case I8bits: {
quint16 val16 = input.toShort(&ok);
if (ok && val16 < 256) {
quint8 val8 = (qint8)val16;
memcpy(data, &val8, I8bits);
} else {
emit error(tr("Invalid 8bits unsigned Integer"),id);
}
}
case I16bits: {
quint16 val16 = input.toShort(&ok);
if (ok) {
memcpy(data, &val16, I16bits);
} else {
emit error(tr("Invalid 16bits unsigned Integer"),id);
}
break;
}
case I32bits: {
quint32 val32 = input.toInt(&ok);
if (ok) {
memcpy(data, &val32, I32bits);
} else {
emit error(tr("Invalid 32bits unsigned Integer"),id);
}
break;
}
case I64bits: {
quint64 val64 = input.toInt(&ok);
if (ok) {
memcpy(data, &val64, I64bits);
} else {
emit error(tr("Invalid 64bits unsigned Integer"),id);
}
break;
}
}
}
if (reverseByteOrdering) {
for (int i = integerSize - 1; i >= 0; i--) {
output.append(data[i]);
}
} else {
output = QByteArray(data, integerSize);
}
}
}