public void TestMerger()
{
object parent = JSON.JsonDecode(@"
{
""Base"": ""base"",
""Name"": ""test"",
""Sprite"": {
""FrameOffset"": { ""x"": 0, ""y"": 0 },
""FrameSize"": { ""x"": 32, ""y"": 32 },
""FrameCount"": 3,
""FramesPerSecond"": 5,
""FrameTypes"": [ 1, 3, 5 ]
}
}
");
object child = JSON.JsonDecode(@"
{
""Name"": ""test-two"",
""Sprite"": {
""FrameOffset"": { ""x"": 10 },
""FramesPerSecond"": 6,
""FrameTypes"": [ 2, 4 ],
""NewField"": true
}
}
");
var result = JSONMerger.Merge(parent, child);
Hashtable r = result as Hashtable;
Assert.IsNotNull(r);
Assert.IsTrue(r["Name"] as string == ("test-two"));
Assert.IsTrue(r["Base"] as string == "base");
Hashtable s = r["Sprite"] as Hashtable;
Assert.IsNotNull(s);
Assert.IsTrue(s["FrameOffset"] is Hashtable);
Assert.IsTrue((s["FrameOffset"] as Hashtable)["x"] is double);
Assert.IsTrue((double)(s["FrameOffset"] as Hashtable)["x"] == 10.0);
Assert.IsTrue((double)(s["FrameOffset"] as Hashtable)["y"] == 0);
Assert.IsTrue((double)(s["FrameSize"] as Hashtable)["x"] == 32);
Assert.IsTrue((double)(s["FrameSize"] as Hashtable)["y"] == 32);
Assert.IsTrue((double)s["FrameCount"] == 3);
Assert.IsTrue((double)s["FramesPerSecond"] == 6);
Assert.IsTrue((bool)s["NewField"] == true);
Assert.IsTrue(s["FrameTypes"] is ArrayList);
Assert.IsTrue((s["FrameTypes"] as ArrayList).Count == 2);
}
public static object Merge(object parent, object child)
{
if (IsScalar(child))
{
return(child);
}
else if (child is ArrayList)
{
return(child);
}
else if (child is Hashtable)
{
if (!(parent is Hashtable))
{
return(child);
}
else
{
Hashtable chash = child as Hashtable;
Hashtable phash = parent as Hashtable;
Hashtable result = new Hashtable();
foreach (DictionaryEntry entry in phash)
{
result[entry.Key] = phash[entry.Key];
}
foreach (DictionaryEntry entry in chash)
{
if (result.ContainsKey(entry.Key))
{
result[entry.Key] = JSONMerger.Merge(phash[entry.Key], chash[entry.Key]);
}
else
{
result[entry.Key] = chash[entry.Key];
}
}
return(result);
}
}
else if (ThrowExceptionOnBadData)
{
throw new Exception("Unknown value type for value: " + child);
}
else
{
return(null); // not valid, boo
}
}