private void BuildPacket(BigEndianWriter writer)
{
byte[] data = writer.Data;
writer.Clear();
int messageLenghtType = ComputeTypeLen(data.Length);
short header = ComputeStaticHeader((int)MessageId, messageLenghtType);
writer.WriteShort(header);
switch (messageLenghtType)
{
case 1:
writer.WriteByte((byte)data.Length);
break;
case 2:
writer.WriteShort((short)data.Length);
break;
case 3:
writer.WriteByte((byte)(data.Length >> 16 & 255));
writer.WriteShort((short)(data.Length & 65535));
break;
}
writer.WriteBytes(data);
}
public void Save(string uri)
{
File.Delete(uri);
var writer = new BigEndianWriter();
writer.Seek(4, SeekOrigin.Begin);
var newIndexes = new Dictionary <int, long>();
var newTextIndexes = new Dictionary <string, long>();
foreach (var oldIndex in _indexes)
{
newIndexes.Add(oldIndex.Key, writer.Position);
writer.WriteUTF(GetText(oldIndex.Key));
}
foreach (var oldIndex in _textIndexes)
{
newTextIndexes.Add(oldIndex.Key, writer.Position);
writer.WriteUTF(GetText(oldIndex.Key));
}
var oldPos = writer.Position;//end of the strings and start of the indexes
writer.Seek(0, SeekOrigin.Begin);
writer.WriteInt((int)oldPos);
writer.Seek((int)oldPos, SeekOrigin.Begin);
var subWriter = new BigEndianWriter();
foreach (var newIndex in newIndexes)
{
Tuple <bool, int> newUnDiacriticalIndex;
_unDiacriticalIndexes.TryGetValue(newIndex.Key, out newUnDiacriticalIndex);
subWriter.WriteInt(newIndex.Key); //id
subWriter.WriteBoolean(newUnDiacriticalIndex.Item1); //dialectCriticalText
subWriter.WriteInt((int)newIndex.Value); //position
if (newUnDiacriticalIndex.Item1)
{
subWriter.WriteInt(newUnDiacriticalIndex.Item2);
}
}
var subData = subWriter.Data;
writer.WriteInt(subData.Length);
writer.WriteBytes(subData);
subWriter.Clear();
foreach (var textIndex in newTextIndexes)
{
subWriter.WriteUTF(textIndex.Key);
subWriter.WriteInt((int)textIndex.Value);
}
subData = subWriter.Data;
writer.WriteInt(subData.Length);
writer.WriteBytes(subData);
subWriter.Clear();
foreach (var textSortIndex in newIndexes)
{
subWriter.WriteInt(textSortIndex.Key);
}
subData = subWriter.Data;
writer.WriteInt(subData.Length);
writer.WriteBytes(subData);
File.WriteAllBytes(uri, writer.Data);
writer.Dispose();
}