public void ReadCosts(Stream input)
{
using (StreamReader reader = new StreamReader(input))
{
string line = reader.ReadLine();
string[] cardinalities = line.SplitSpace();
int forwardSize = Int32.Parse(cardinalities[0]);
int backwardSize = Int32.Parse(cardinalities[1]);
cardinality = backwardSize;
bufferSize = forwardSize * backwardSize * Constant.SHORT_BYTES;
if (costs != null)
{
costs.Dispose();
}
costs = new MemoryStreamWrapper(new MemoryStream(bufferSize));
while (!reader.EndOfStream)
{
string[] fields = reader.ReadLine().SplitSpace();
short forwardId = Int16.Parse(fields[0]);
short backwardId = Int16.Parse(fields[1]);
short cost = Int16.Parse(fields[2]);
PutCost(forwardId, backwardId, cost);
}
}
}
public void Dispose()
{
if (buffer != null)
{
buffer.Dispose();
}
}
public void Dispose()
{
if (costs != null)
{
costs.Dispose();
}
}
public TokenInfoBuffer(Stream inputStream)
{
try
{
if (buffer != null)
{
buffer.Dispose();
}
buffer = new MemoryStreamWrapper(ByteBufferIO.Read(inputStream));
tokenInfoCount = GetTokenInfoCount();
posInfoCount = GetPosInfoCount();
featureCount = GetFeatureCount();
entrySize = GetEntrySize(tokenInfoCount, posInfoCount, featureCount);
}
catch (Exception ex)
{
throw new IOException("TokenInfoBuffer Constructor: " + ex.Message);
}
}
private void Put(SortedDictionary <int, string> strings)
{
int bufferSize = CalculateSize(strings);
size = strings.Count;
if (buffer != null)
{
buffer.Dispose();
}
buffer = new MemoryStreamWrapper(new MemoryStream(bufferSize));
buffer.WriteInt32(size); // Set entries
int keyIndex = Constant.INTEGER_BYTES; // First key index is past size
int entryIndex = keyIndex + size * Constant.INTEGER_BYTES;
foreach (string str in strings.Values)
{
buffer.WriteInt32(entryIndex, keyIndex);
entryIndex = Put(entryIndex, str);
keyIndex += Constant.INTEGER_BYTES;
}
}