public Dawg Decode(Stream stream)
{
using (var reader = new BinaryReader(stream))
{
var fileVersion = reader.ReadSingle();
if (_version != fileVersion)
{
throw new ApplicationException(string.Format("The file version of dawg is not match.\rThe decoder version is {0},but file version is {1}", _version, fileVersion));
}
var allNodes = new DawgNode[reader.ReadInt32()];
//read header of dawg file
for (var i = 0; i < allNodes.Length; i++)
{
var text = (char)reader.ReadInt16();
var freq = reader.ReadInt32();
var depth = reader.ReadInt32();
var eow = reader.ReadBoolean();
var size = reader.ReadInt32();
var node = new DawgNode(text, size);
node.Eow = eow;
node.Depth = depth;
node.Frequency = freq;
allNodes[i] = node;
}
//build a dawg.
var count = reader.ReadInt32();
var root = new DawgNode(new char(), count);
for (var i = 0; i < count; i++)
{
var node = allNodes[reader.ReadInt32()];
root.AddChild(node);
}
count = reader.ReadInt32();
for (var i = 0; i < count; i++)
{
var label = reader.ReadInt32();
var node = allNodes[label];
var childNodeCount = reader.ReadInt32();
for (var j = 0; j < childNodeCount; j++)
{
var childNode = allNodes[reader.ReadInt32()];
node.AddChild(childNode);
}
}
return(new Dawg(root));
}
}
public Dawg Decode(Stream stream)
{
using (var reader = new BinaryReader(stream))
{
var fileVersion = reader.ReadDouble();
if (_version != fileVersion)
{
throw new ApplicationException(string.Format("The file version of dawg is not match.\rThe decoder version is {0},but file version is {1}", _version, fileVersion));
}
var allNodes = new DawgNode[reader.ReadInt32()];
//read header of dawg file
for (var i = 0; i < allNodes.Length; i++)
{
var text = (char)reader.ReadInt16();
var freq = reader.ReadInt32();
var depth = reader.ReadInt32();
var eow = reader.ReadBoolean();
var size = reader.ReadInt32();
var node = new DawgNode(text, size);
node.Eow = eow;
node.Depth = depth;
node.Frequency = freq;
allNodes[i] = node;
}
//build a dawg.
var count = reader.ReadInt32();
var root = new DawgNode(new char(), count);
for (var i = 0; i < count; i++)
{
var node = allNodes[reader.ReadInt32()];
root.AddChild(node);
}
count = reader.ReadInt32();
for (var i = 0; i < count; i++)
{
var label = reader.ReadInt32();
var node = allNodes[label];
var childNodeCount = reader.ReadInt32();
for (var j = 0; j < childNodeCount; j++)
{
var childNode = allNodes[reader.ReadInt32()];
node.AddChild(childNode);
}
}
return new Dawg(root);
}
}
