internal D.DifferenceNode _CompareObject(object left, object right)
{
Func <bool, D.DifferenceNode> state = (b) => {
return(b ? null : new D.DifferenceNode(null, left, right));
};
if (left == null || right == null)
{
return(state(left == right));
}
if (!left.GetType().Equals(right.GetType()))
{
return(state(false));
}
if (left is byte)
{
return(state(((int)(byte)left - (int)(byte)right) == 0));
}
if (left is int)
{
return(state(((int)left - (int)right) == 0));
}
if (left is long)
{
return(state(((long)left - (long)right) == 0));
}
if (left is float)
{
return(state(((float)left - (float)right).IsNearZero(1e-5f)));
}
//if (left is double)
// return state(((double)left - (double)right).IsNearZero(1e-5));
if (left is string)
{
return(state(((string)left).CompareTo((string)right) == 0));
}
if (left is F.str)
{
string left_str = (left as F.str).ToString();
string right_str = (right as F.str).ToString();
return(state(left_str.CompareTo(right_str) == 0));
}
if (left is P.Properties)
{
D.DifferenceNode node = new D.DifferenceNode(null, left, right);
D.DifferenceNode sub;
Func <P.Properties, P.Properties> clone = (src) => {
P.Properties dst = new P.Properties();
foreach (P.Property prop in src)
{
dst.Add(prop);
}
return(dst);
};
P.Properties left_coll = clone(left as P.Properties);
P.Properties right_coll = clone(right as P.Properties);
for (int index = 0; index < left_coll.Count; ++index)
{
P.Property left_sub = left_coll[index];
P.Property right_sub = _FindMatch(left_sub, right_coll);
if (right_sub != null)
{
right_coll.Remove(right_sub);
}
sub = _Compare(left_sub, right_sub);
if (sub != null)
{
string title = left_sub.PrettyName();
if (string.IsNullOrEmpty(title))
{
title = index.ToString();
}
sub.Title = title;
node.Add(sub);
}
}
for (int index = 0; index < right_coll.Count; ++index)
{
P.Property right_sub = right_coll[index];
if (right_sub != null)
{
string name = right_sub.GetName();
if (_blacklisted.Contains(name))
{
continue;
}
string title = right_sub.PrettyName();
if (string.IsNullOrEmpty(title))
{
title = index.ToString();
}
node.Add(title, null, right_sub);
}
}
return(node.ChildCount > 0 ? node : null);
}
if (left is IDictionary)
{
D.DifferenceNode node = new D.DifferenceNode(null, left, right);
D.DifferenceNode sub;
Func <IDictionary, IDictionary> clone = (src) => {
Dictionary <object, object> dst = new Dictionary <object, object>();
foreach (object key in src.Keys)
{
dst.Add(key, src[key]);
}
return(dst);
};
IDictionary left_coll = clone(left as IDictionary);
IDictionary right_coll = clone(right as IDictionary);
foreach (object key in left_coll.Keys)
{
object left_sub = left_coll[key];
object right_sub = null;
if (right_coll.Contains(key))
{
right_sub = right_coll[key];
right_coll.Remove(key);
}
if (right_sub == null && left_sub != null)
{
sub = new D.DifferenceNode(null, left_sub, null);
}
else if (left_sub is P.Property)
{
sub = _Compare(left_sub as P.Property, right_sub as P.Property);
}
else
{
sub = _CompareObject(left_sub, right_sub);
}
if (sub != null)
{
sub.Title = key.ToString();
node.Add(sub);
}
}
foreach (object key in right_coll)
{
node.Add(key.ToString(), null, right_coll[key]);
}
return(node.ChildCount > 0 ? node : null);
}
if (left is ICollection)
{
D.DifferenceNode node = new D.DifferenceNode(null, left, right);
D.DifferenceNode sub;
Func <ICollection, List <object> > clone = (src) => {
List <object> dst = new List <object>();
foreach (object val in src)
{
dst.Add(val);
}
return(dst);
};
List <object> left_coll = clone(left as ICollection);
List <object> right_coll = clone(right as ICollection);
for (int index = 0; index < left_coll.Count; ++index)
{
object left_sub = left_coll[index];
object right_sub = null;
if (index < right_coll.Count)
{
right_sub = right_coll[index];
right_coll[index] = null;
}
if (right_sub == null && left_sub != null)
{
sub = new D.DifferenceNode(null, left_sub, null);
}
else if (left_sub is P.Property)
{
sub = _Compare(left_sub as P.Property, right_sub as P.Property);
}
else
{
sub = _CompareObject(left_sub, right_sub);
}
if (sub != null)
{
string title = left_sub.PrettyName();
if (string.IsNullOrEmpty(title))
{
title = index.ToString();
}
sub.Title = title;
node.Add(sub);
}
}
for (int index = 0; index < right_coll.Count; ++index)
{
object right_sub = right_coll[index];
if (right_sub != null)
{
string title = right_sub.PrettyName();
if (string.IsNullOrEmpty(title))
{
title = index.ToString();
}
node.Add(title, null, right_sub);
}
}
return(node.ChildCount > 0 ? node : null);
}
return(null);
}
internal D.DifferenceNode _Compare(P.Property left, P.Property right)
{
D.DifferenceNode node = new D.DifferenceNode(left.ToString(), left, right);
D.DifferenceNode sub;
if ((left == null || right == null) && (left != right))
{
return(node);
}
// Do some by-name blacklisting to skips things like delta timestamps
if (left is P.ValueProperty)
{
P.ValueProperty val_prop = left as P.ValueProperty;
if (val_prop.Name != null)
{
string name = val_prop.Name.ToString();
if (_blacklisted.Contains(name))
{
return(null);
}
}
}
Dictionary <string, object> left_childs = new Dictionary <string, object>(left.GetChilds());
Dictionary <string, object> right_childs = new Dictionary <string, object>(right.GetChilds());
while (left_childs.Count > 0)
{
var pair = left_childs.First();
object left_sub = pair.Value;
left_childs.Remove(pair.Key);
object right_sub = null;
if (right_childs.ContainsKey(pair.Key))
{
right_sub = right_childs[pair.Key];
right_childs.Remove(pair.Key);
}
if (_blacklisted.Contains(pair.Key))
{
continue;
}
if (right_sub == null && left_sub != null)
{
sub = new D.DifferenceNode(null, left_sub, null);
}
else if (left_sub is P.Property)
{
sub = _Compare(left_sub as P.Property, right_sub as P.Property);
}
else
{
sub = _CompareObject(left_sub, right_sub);
}
if (sub != null)
{
sub.Title = pair.Key;
node.Add(sub);
}
}
foreach (var pair in right_childs)
{
if (!_blacklisted.Contains(pair.Key))
{
node.Add(pair.Key, null, pair.Value);
}
}
return((node.ChildCount > 0) ? node : null);
}