/// <summary>
/// Initializes a Header from the specified <see cref="FieldTrip.Buffer.ByteBuffer"/>.
/// </summary>
/// <param name="buf">The buffer to read the header from.</param>
public Header(ByteBuffer buf)
{
NumChans = buf.GetInt();
NumSamples = buf.GetInt();
NumEvents = buf.GetInt();
FSample = buf.GetFloat();
DataType = buf.GetInt();
int size = buf.GetInt();
Labels = new string[NumChans];
while (size > 0) {
int chunkType = buf.GetInt();
int chunkSize = buf.GetInt();
byte[] bs = new byte[chunkSize];
buf.Get(ref bs);
if (chunkType == CHUNK_CHANNEL_NAMES) {
int n = 0, len = 0, index = 0;
for (int pos = 0; pos < chunkSize; pos++) {
if (bs[pos] == 0) {
if (len > 0) {
Labels[n] = Encoding.Default.GetString(bs, index, len);
index = pos + 1;
}
len = 0;
if (++n == NumChans)
break;
} else {
len++;
}
}
} else {
// ignore all other chunks for now
}
size -= 8 + chunkSize;
}
}
