/// <summary>
/// Print out this node's children.
/// </summary>
/// <param name="depth">The number of "tabs" to indent this directory.</param>
public void Print(int depth)
{
// Get the tabs string
string tabs = "";
for (int i = 0; i < depth; i++)
{
tabs += " ";
}
// Get the names and sort
string[] names = this.Children.Keys.ToArray();
Array.Sort(names);
// Print the directory names recursively
foreach (string s in names)
{
ISONode n = this.Children[s];
Console.WriteLine(tabs + s);
if (s != ISONodeRecord.CURRENT_DIRECTORY &&
s != ISONodeRecord.PARENT_DIRECTORY &&
n is ISODirectoryNode)
{
((ISODirectoryNode)n).Print(depth + 1);
}
}
}
/// <summary>
/// Parse the children based on the data in this directory.
/// </summary>
/// <param name="s">The stream to parse from.</param>
/// <param name="visited">The set of already handled
/// files/directories.</param>
public void Parse(Stream s, Dictionary<long, ISONode> visited)
{
// Go to the beginning of the set of directories
s.Seek(this.Offset*ISOFile.SECTOR_SIZE, SeekOrigin.Begin);
List<ISONodeRecord> records = new List<ISONodeRecord>();
// Read the directory entries
while(s.Position < ((this.Offset*ISOFile.SECTOR_SIZE)+this.Length)) {
ISONode node;
ISONodeRecord record;
// Read the record
record = new ISONodeRecord();
record.Parse(s);
// Check if we already have this node
if (visited.ContainsKey(record.OffsetOfData)) {
// Get the node
node = visited[record.OffsetOfData];
} else {
// Create the node from the record
if (record.IsFile()) {
node = new ISOFileNode(record);
}
else if (record.IsDirectory()) {
node = new ISODirectoryNode(record);
}
else {
node = new ISONode(record);
}
// Keep track that we've now seen the node and are parsing it
visited.Add(node.Offset, node);
}
// Add the node as a child
this.Children.Add(record.Name, node);
}
long currentPosition = s.Position;
// Iterate over directories...
foreach(KeyValuePair<string,ISONode> child in this.Children) {
// Parse this node
if( child.Key != ISONodeRecord.CURRENT_DIRECTORY &&
child.Key != ISONodeRecord.PARENT_DIRECTORY &&
child.Value is ISODirectoryNode ) {
((ISODirectoryNode)child.Value).Parse(s, visited);
}
}
s.Seek(currentPosition, SeekOrigin.Begin);
}
/// <summary>
/// Print out this node's children.
/// </summary>
/// <param name="depth">The number of "tabs" to indent this directory.</param>
public void Print(int depth)
{
// Get the tabs string
string tabs = "";
for (int i = 0; i < depth; i++)
{
tabs += " ";
}
// Print the directory names recursively, sorted alphabetically
foreach (string s in this.Children.Keys.OrderBy(s => s))
{
ISONode n = this.Children[s];
Console.WriteLine(tabs + s);
if (s != ISONodeRecord.CURRENT_DIRECTORY &&
s != ISONodeRecord.PARENT_DIRECTORY &&
n is ISODirectoryNode dirNode)
{
dirNode.Print(depth + 1);
}
}
}
/// <summary>
/// Parse the children based on the data in this directory.
/// </summary>
/// <param name="s">The stream to parse from.</param>
/// <param name="visited">The set of already handled
/// files/directories.</param>
public void Parse(Stream s, Dictionary <long, ISONode> visited)
{
// Go to the beginning of the set of directories
s.Seek(this.Offset * ISOFile.SECTOR_SIZE, SeekOrigin.Begin);
List <ISONodeRecord> records = new List <ISONodeRecord>();
// Read the directory entries
while (s.Position < ((this.Offset * ISOFile.SECTOR_SIZE) + this.Length))
{
ISONode node;
ISONodeRecord record;
// Read the record
record = new ISONodeRecord();
if (ISOFile.Format == ISOFile.ISOFormat.CDInteractive)
{
record.ParseCDInteractive(s);
}
if (ISOFile.Format == ISOFile.ISOFormat.ISO9660)
{
record.ParseISO9660(s);
}
//zero 24-jun-2013 - improved validity checks
//theres nothing here!
if (record.Length == 0)
{
break;
}
else
{
// Check if we already have this node
if (visited.ContainsKey(record.OffsetOfData))
{
// Get the node
node = visited[record.OffsetOfData];
}
else
{
// Create the node from the record
if (record.IsFile())
{
node = new ISOFileNode(record);
}
else if (record.IsDirectory())
{
node = new ISODirectoryNode(record);
}
else
{
node = new ISONode(record);
}
// Keep track that we've now seen the node and are parsing it
visited.Add(node.Offset, node);
}
// Add the node as a child
if (!this.Children.ContainsKey(record.Name))
{
this.Children.Add(record.Name, node);
}
}
}
long currentPosition = s.Position;
// Iterate over directories...
foreach (KeyValuePair <string, ISONode> child in this.Children)
{
// Parse this node
if (child.Key != ISONodeRecord.CURRENT_DIRECTORY &&
child.Key != ISONodeRecord.PARENT_DIRECTORY &&
child.Value is ISODirectoryNode dirNode)
{
dirNode.Parse(s, visited);
}
}
s.Seek(currentPosition, SeekOrigin.Begin);
}