// This will Search for an entry in the list
// returns true if found,
// false if not found
public BalancedNode Search(IComparable v)
{
BalancedNode result = null;
// Here I am at a node
if (v.CompareTo(Value) < 0)
{
// I am less than this nodes Value
if (Left != null)
{
result = Left.Search(v);
}
}
else if (v.CompareTo(Value) > 0)
{
// I am higher than this nodes Value
if (Right != null)
{
result = Right.Search(v);
}
}
else
{
// I Already exist in the tree
result = this;
}
return(result);
}
static int HigherOf(BalancedNode l, BalancedNode r)
{
int dl = (l != null) ? l.depth : -1;
int dr = (r != null) ? r.depth : -1;
return((dl > dr) ? dl : dr);
}
void TraverseTree(BalancedNode c)
{
if (c.Left != null)
{
TraverseTree(c.Left);
}
elements[current++] = c;
if (c.Right != null)
{
TraverseTree(c.Right);
}
}
static int Main(string[] args)
{
int exitcode = 0;
String typelib = null;
String outfile = null;
String verifyfile = null;
String dump = null;
bool silent = false;
bool verifyiid = false;
bool inbuild = false;
try
{
Setting[] switches = GetSwitches(args);
foreach (Setting sw in switches)
{
if (sw.option == null)
{
if (typelib != null)
{
// We already have a typelib
PrintLogo();
WriteErrorMsg("Only one typelibrary can be operated on at a time.");
exitcode = 1;
goto done;
}
else
{
// We are cool with this
typelib = sw.value;
}
}
else
{
if (CompareString(sw.option.value, "/out") == 0)
{
outfile = sw.value;
}
else if (CompareString(sw.option.value, "/verify") == 0)
{
verifyfile = sw.value;
}
else if (CompareString(sw.option.value, "/iid") == 0)
{
verifyiid = true;
}
else if (CompareString(sw.option.value, "/dump") == 0)
{
dump = sw.value;
}
else if (CompareString(sw.option.value, "/silent") == 0)
{
silent = true;
}
else if (CompareString(sw.option.value, "/build") == 0)
{
inbuild = true;
}
else if (CompareString(sw.option.value, "/?") == 0)
{
PrintLogo();
PrintUsage();
exitcode = 0;
goto done;
}
}
}
if (!silent)
{
PrintLogo();
}
if (typelib == null)
{
WriteErrorMsg("No Type library file specified");
exitcode = 1;
goto done;
}
ExtractNames(typelib);
if (dump != null)
{
symbols.DumpAsTreeToFile(dump);
if (!silent)
{
Console.WriteLine("Successfully generated " + dump + " from " + typelib);
}
}
// Is an output file desired?
if (outfile != null)
{
symbols.DumpToFile(outfile);
if (!silent)
{
Console.WriteLine("Successfully generated " + outfile + " from " + typelib);
}
}
// Is verification desired?
if (verifyfile != null)
{
if (!silent)
{
if (inbuild)
{
Console.Write("Build_Status ");
}
Console.WriteLine("Verify the names from " + typelib);
}
int errors = 0;
verify = Names.LoadFromFile(verifyfile);
foreach (BalancedNode s in symbols)
{
if (s.Value != null)
{
Name n = (Name)s.Value;
BalancedNode o = verify.Search(n);
if (o == null)
{
Console.WriteLine(typelib + " : error N2000 : Symbol named '" + n.Value + "' added to typelib.");
++errors;
}
else
{
Name f = (Name)o.Value;
f.Found = true;
if (n.UUID != f.UUID)
{
f.NEWUUID = n.UUID;
}
}
}
}
foreach (BalancedNode s in verify)
{
if (s.Value != null)
{
Name n = (Name)s.Value;
if (n.Found != true)
{
Console.WriteLine(typelib + " : error N2001 : Symbol named '" + n.Value + "' removed from typelib.");
++errors;
}
}
}
if (verifyiid)
{
foreach (BalancedNode s in verify)
{
if (s.Value != null)
{
Name n = (Name)s.Value;
if (n.NEWUUID != Guid.Empty)
{
Console.WriteLine(typelib + " : error N2002 : Guid changed for symbol named '" + n.Value + "'; was " + n.UUID + " now is " + n.NEWUUID);
++errors;
}
}
}
}
if (!silent)
{
if (errors != 0)
{
Console.WriteLine(typelib + " : error N1000 : errors comparing typelib to names file " + verifyfile);
}
else
if (!inbuild)
{
Console.WriteLine(typelib + " : no errors comparing typelib to names file " + verifyfile);
}
}
exitcode = errors;
}
}
catch (Exception e)
{
Console.WriteLine(typelib + " : error N1001 : Exception " + e.Message);
return(1);
}
done:
return(exitcode);
}
public BalancedTree(IComparable v)
{
root = new BalancedNode(v);
count = 1;
}
// Used to keep the tree balanced, deepened indicates when The depth of the subtree has changed
private bool InternalInsert(IComparable v, ref bool deepened)
{
bool result = false;
// Here I am at a node
if (v.CompareTo(Value) < 0)
{
// I am less than this nodes Value
if (Left == null)
{
result = true;
Left = new BalancedNode(v);
if (Right == null)
{
++depth;
deepened = true;
}
}
else
{
result = Left.InternalInsert(v, ref deepened);
// Maintain an accurate depth count
if (deepened)
{
++depth;
}
}
}
else if (v.CompareTo(Value) > 0)
{
// I am above than this nodes Value
if (Right == null)
{
result = true;
Right = new BalancedNode(v);
if (Left == null)
{
++depth;
deepened = true;
}
}
else
{
result = Right.InternalInsert(v, ref deepened);
// Maintain an accurate depth count
if (deepened)
{
++depth;
}
}
}
else
{
// I Already exist in the tree
result = false;
}
// I have added my Node and updated my Depths
// Now I need to ensure that my left and right subtrees differ by no more than 1
if (deepened)
{
// Node with empty left and right is at depth -1
//
int left = (Left != null) ? Left.depth : -1;
int right = (Right != null) ? Right.depth : -1;
if (right - left > 1)
{
// Right subtree is deeper than left subtree
IComparable t = Value;
BalancedNode l = Left;
BalancedNode r = Right.Left;
Value = Right.Value;
Right = Right.Right;
Left = new BalancedNode(t);
Left.Left = l;
Left.Right = r;
Left.depth = HigherOf(Left.Left, Left.Right) + 1;
}
else if (left - right > 1)
{
// Left subtree is deeper than the right subtree
IComparable t = Value;
BalancedNode r = Right;
BalancedNode l = Left.Right;
Value = Left.Value;
Left = Left.Left;
Right = new BalancedNode(t);
Right.Right = r;
Right.Left = l;
Right.depth = HigherOf(Right.Left, Right.Right) + 1;
}
}
depth = HigherOf(Left, Right) + 1;
return(result);
}
public TreeEnumerator(BalancedNode root, int nitems)
{
elements = new object[nitems];
current = 0;
TraverseTree(root);
}