private void FillChunkBytes(ChunkImpl chunk)
{
if (chunk.SubchunksCount == 0)
{
chunk.SetChunkBytes(ReadBytes(chunk.ChunkContentPointer, chunk.ContentSize));
}
}
public byte[] ReadChunkBytes(ChunkImpl chunk, long offset, long length)
{
if (length == -1)
{
length = chunk.ContentSize - offset;
}
return(ReadBytes(chunk.ChunkContentPointer + offset, length));
}
public void FillChunk(Chunk chunk)
{
ChunkImpl derivedChunk = chunk as ChunkImpl;
FillSubchunks(derivedChunk);
FillChunkBytes(derivedChunk);
derivedChunk.IsAvaliable = true;
}
private ChunkImpl AllocateChunk(long chunkPointer)
{
ChunkImpl retChunk = new ChunkImpl(this);
retChunk.ChunkStartPointer = chunkPointer;
FillChunkTag(retChunk);
FillChunkSize(retChunk);
return(retChunk);
}
public void AddSubchunk(ChunkImpl chunk)
{
if (!subChunks.ContainsKey(chunk.tag))
{
subChunks.Add(chunk.tag, new List <Chunk>(new ChunkImpl[] { chunk }));
}
else
{
subChunks[chunk.tag].Add(chunk);
}
}
private void FillSubchunks(ChunkImpl chunk)
{
FillSubchunksCount(chunk);
byte[] subchunkPointerBytes = ReadBytes(chunk.SubchunkPointersPointer, chunk.SubchunkPointerArraySize);
for (int iSubchunk = 0; iSubchunk < chunk.SubchunksCount; ++iSubchunk)
{
long chunkPointer = BigEndianBytesToInt64(subchunkPointerBytes, (int)(iSubchunk * ChunkImpl.ChunkPointerSize));
ChunkImpl subchunk = AllocateChunk(chunkPointer);
chunk.AddSubchunk(subchunk);
}
}
public void AddSubchunk(ChunkImpl chunk)
{
if (!subChunks.ContainsKey(chunk.tag)) {
subChunks.Add(chunk.tag, new List<Chunk>(new ChunkImpl[] { chunk }));
} else {
subChunks[chunk.tag].Add(chunk);
}
}
private void FillSubchunksCount(ChunkImpl chunk)
{
chunk.SubchunksCount = BigEndianBytesToInt32(ReadBytes(chunk.SubchunksCountPointer, ChunkImpl.SubchunksCountSize), 0);
}
private void FillChunkTag(ChunkImpl chunk)
{
chunk.SetTag(BytesToString(ReadBytes(chunk.ChunkTagPointer, ChunkImpl.TagSize)));
}
private void FillChunkSize(ChunkImpl chunk)
{
chunk.ChunkSize = BigEndianBytesToInt64(ReadBytes(chunk.ChunkSizePointer, ChunkImpl.ChunkSizeSize), 0);
}
private void FillChunkBytes(ChunkImpl chunk)
{
if (chunk.SubchunksCount == 0) {
chunk.SetChunkBytes( ReadBytes(chunk.ChunkContentPointer, chunk.ContentSize) );
}
}
private ChunkImpl AllocateChunk(long chunkPointer)
{
ChunkImpl retChunk = new ChunkImpl(this);
retChunk.ChunkStartPointer = chunkPointer;
FillChunkTag(retChunk);
FillChunkSize(retChunk);
return retChunk;
}
private void FillChunkSize(ChunkImpl chunk)
{
chunk.ChunkSize = BigEndianBytesToInt64(ReadBytes(chunk.ChunkSizePointer, ChunkImpl.ChunkSizeSize), 0);
}
public byte[] ReadChunkBytes(ChunkImpl chunk, long offset, long length)
{
if (length == -1) {
length = chunk.ContentSize - offset;
}
return ReadBytes(chunk.ChunkContentPointer + offset, length);
}
private void FillSubchunksCount(ChunkImpl chunk)
{
chunk.SubchunksCount = BigEndianBytesToInt32(ReadBytes(chunk.SubchunksCountPointer, ChunkImpl.SubchunksCountSize), 0);
}
private void FillSubchunks(ChunkImpl chunk)
{
FillSubchunksCount(chunk);
byte[] subchunkPointerBytes = ReadBytes(chunk.SubchunkPointersPointer, chunk.SubchunkPointerArraySize);
for (int iSubchunk = 0; iSubchunk < chunk.SubchunksCount; ++iSubchunk) {
long chunkPointer = BigEndianBytesToInt64( subchunkPointerBytes, (int)(iSubchunk * ChunkImpl.ChunkPointerSize) );
ChunkImpl subchunk = AllocateChunk(chunkPointer);
chunk.AddSubchunk(subchunk);
}
}
private void FillChunkTag(ChunkImpl chunk)
{
chunk.SetTag(BytesToString(ReadBytes(chunk.ChunkTagPointer, ChunkImpl.TagSize)));
}
