public void printChunkHeirarchy(Chunk chunk, int level)
{
int _level = level;
Hashtable tmp = chunk.getSubChunks();
IDictionaryEnumerator Enumerator = tmp.GetEnumerator();
while (Enumerator.MoveNext())
{
Chunk tmpChunk = (Chunk) Enumerator.Value;
String tab = "";
switch (_level)
{
case 0:
tab = "";
break;
case 1:
tab = "\t";
break;
case 2:
tab = "\t\t";
break;
case 3:
tab = "\t\t\t";
break;
}
Console.Out.WriteLine(tab + Enumerator.Value.GetType() + ", Level: " + _level);
printChunkHeirarchy(tmpChunk, _level + 1);
}
//return mainChunk;
}
///<summary>
///Iterates over the complete file, parses the files information
///and stores it in individual chunk classes.
///</summary>
private void processMainChunks(Chunk Parent)
{
//Parse Headers and setup local variables
int chunkID = _bw.ReadInt32();
int currentChunkLength = _bw.ReadInt32() & 0x7FFFFFFF;
int endLength = (int) _bw.BaseStream.Position + currentChunkLength;
// Lookup and create the new chunk class
Chunk chk = _chkMap.getChunk(chunkID);
//If chunk class exists parse it, if not skip it.
if (chk != null)
{
// Parse the newly created chunk.
chk.parse(_bw, _chkMap, _debug, currentChunkLength);
Parent.addSubChunk(chk);
}
else
{
//if(_debug)
Console.Out.WriteLine("File: " + _filename + "\t : \tSkipping Chunk: \t " + chunkID);
//Chunk will be skipped if its not initialized in the chunkmap
_bw.BaseStream.Seek(currentChunkLength, SeekOrigin.Current); //Advance to the next chunk
}
while (_bw.BaseStream.Position < endLength)
{
processMainChunks(chk);
}
}
///<summary>
///ChunkChopper Constructer that starts the chunk chopping process and
///stores the root chunk in memory for future retreival.
///</summary>
public ChunkChopper(BinaryReader bw, Boolean debugText, String filename)
{
_chkMap = new ChunkMap();
_bw = bw;
_debug = debugText;
_filename = filename;
mainChunk = new RootChunk();
while (_bw.BaseStream.Position < _bw.BaseStream.Length)
{
this.processMainChunks(mainChunk);
}
//printChunkHeirarchy(mainChunk, 0);
}
///<summary>
///Adds sub chunks to this chunk.
///</summary>
public void addSubChunk(Chunk subChunk)
{
subChunks.Add(subChunks.Count, subChunk);
}
///<summary>
///Chopper method starts the chunk chopping process and
///stores the root chunk in memory for future retreival.
///</summary>
private void beginChunkChopping()
{
//Setup main chunk to hold the entire hierarchy
mainChunk = new RootChunk();
//Make sure we catch any errors
try
{
// Iterate over the entire file processing the chunks
while (br.BaseStream.Position < br.BaseStream.Length)
{
this.processChunks(mainChunk);
}
}
catch (Exception e)
{
//TODO: Add some exeption protection.
Console.Out.WriteLine(e);
}
}
