/// <summary>
/// Parse directory/file nodes.
/// </summary>
/// <param name="fs">Filestream of U8 file.</param>
public void ParseNodes(FileStream fs)
{
u8Node node = new u8Node();
uint maxNodeId;
// read first node
node.NodeType = ParseFile.ReadByte(fs, this.RootNodeOffset);
node.NameOffset = ParseFile.ReadUint24BE(fs, this.RootNodeOffset + 1);
node.DataOffset = ParseFile.ReadUintBE(fs, this.RootNodeOffset + 4);
node.DataSize = ParseFile.ReadUintBE(fs, this.RootNodeOffset + 8);
this.NodeArray.Add(node);
maxNodeId = node.DataSize;
// parse each node
for (int i = 1; i < maxNodeId; i++)
{
node = new u8Node();
node.NodeType = ParseFile.ReadByte(fs, this.RootNodeOffset + (i * 0xC));
node.NameOffset = ParseFile.ReadUint24BE(fs, this.RootNodeOffset + (i * 0xC) + 1);
node.DataOffset = ParseFile.ReadUintBE(fs, this.RootNodeOffset + (i * 0xC) + 4);
node.DataSize = ParseFile.ReadUintBE(fs, this.RootNodeOffset + (i * 0xC) + 8);
this.NodeArray.Add(node);
}
}
private NintendoU8File getFileNode(FileStream fs, int nodeIndex, string parentDirectory)
{
// get node
u8Node node = this.NodeList[nodeIndex];
// get directory name
string fileName = ParseFile.ReadAsciiString(fs, this.NameTableOffset + node.NameOffset);
// create file item
NintendoU8File newFile = new NintendoU8File(parentDirectory, this.SourceFileName,
fileName, node.DataOffset, this.VolumeBaseOffset, node.DataOffset, node.DataSize);
return(newFile);
}
private NintendoU8Directory getDirectoryNode(FileStream fs, int nodeIndex,
string parentDirectory, out int lastIndexProcessed)
{
string newParentDirectoryName;
uint maxNodeIndex;
NintendoU8Directory newSubDirectory;
lastIndexProcessed = nodeIndex;
// get node
u8Node node = this.NodeList[nodeIndex];
// get directory name
string directoryName = ParseFile.ReadAsciiString(fs, this.NameTableOffset + node.NameOffset);
// create directory item
NintendoU8Directory newDirectory = new NintendoU8Directory(this.SourceFileName, directoryName, parentDirectory);
// parse other items
maxNodeIndex = node.DataSize;
for (int i = (nodeIndex + 1); i < maxNodeIndex; i = (lastIndexProcessed + 1))
{
node = this.NodeList[i];
newParentDirectoryName = Path.Combine(parentDirectory, directoryName);
if (node.IsDirectory())
{
newSubDirectory = this.getDirectoryNode(fs, i, newParentDirectoryName, out lastIndexProcessed);
if (!newSubDirectory.DirectoryName.Equals("."))
{
newDirectory.SubDirectoryArray.Add(newSubDirectory);
}
else // in current folder "."
{
// move folders to this folder
foreach (NintendoU8Directory d in newSubDirectory.SubDirectories)
{
newDirectory.SubDirectoryArray.Add(d);
}
// move files to this folder
foreach (NintendoU8File f in newSubDirectory.Files)
{
newDirectory.FileArray.Add(f);
}
}
}
else
{
newDirectory.FileArray.Add(this.getFileNode(fs, i, newParentDirectoryName));
lastIndexProcessed = i;
}
}
return(newDirectory);
}
