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#include "common.h"
QByteArray PadByteArray(QByteArray original, int newLength, char padWith) {
QByteArray newArray = original;
if (original.length() > newLength) {
// the original array is longer than the length desired, so truncate it
newArray.truncate(newLength);
} else if (original.length() < newLength) {
// the original array is shorter, so pad it
int oldLength = original.length();
newArray.resize(newLength);
for (int i = oldLength; i < newLength; i++) {
newArray[i] = '\0';
}
}
return newArray;
}
QStringList ReadStringList(QDataStream &in) {
QStringList output;
quint16 count;
in >> (quint16&)count;
in.skipRawData(2); // padding
QVector<quint32> stringOffsets(count);
// save the initial offset so we can get the strings later
// string offsets are based on the first offset entry (after the count)
// NOT on the section offset
qint64 savedPos = in.device()->pos();
for (int i = 0; i < count; i++) {
quint32 offset;
in >> (quint32&)offset;
in.skipRawData(4); // unused?
stringOffsets[i] = offset;
}
// ok, now we can get the strings
for (int i = 0; i < count; i++) {
in.device()->seek(savedPos + stringOffsets[i]);
// how fun: no length is stored for each string, they're just zero
// terminated. so let's try to figure it out!
int stringLength = 0;
char check;
in >> (quint8&)check;
while (check != 0) {
stringLength += 1;
in >> (quint8&)check;
}
// now read the string
char *buffer = new char[stringLength];
in.device()->seek(savedPos + stringOffsets[i]);
in.readRawData(buffer, stringLength);
output.append(QString::fromAscii(buffer, stringLength));
delete[] buffer;
qDebug() << "Read string:" << output.last();
}
return output;
}
QString ReadFixedLengthASCII(QDataStream &in, int length) {
QByteArray readStr(length, '\0');
in.readRawData(readStr.data(), readStr.length());
QString str = QString::fromAscii(readStr.data(), readStr.length());
if (str.contains(QChar('\0')))
str.truncate(str.indexOf(QChar('\0')));
return str;
}
void WriteFixedLengthASCII(QDataStream &out, QString str, int length) {
QByteArray paddedStr = PadByteArray(str.toAscii(), length);
out.writeRawData(paddedStr.constData(), paddedStr.length());
}
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