void MergeDictionaries(PListDictionary original, PListDictionary toMerge, bool keepEmpty, bool forceReplace)
{
foreach (var kvp in toMerge)
{
IPListElement toMergeElement = kvp.Value;
if (toMergeElement is PListDictionary)
{
var toMergeDic = toMergeElement as PListDictionary;
var originalDic = original.Element <PListDictionary>(kvp.Key);
if (originalDic == null)
{
originalDic = new PListDictionary();
original[kvp.Key] = originalDic;
}
if (forceReplace)
{
original [kvp.Key] = toMergeDic.Copy();
originalDic = original.Element <PListDictionary> (kvp.Key);
}
else
{
MergeDictionaries(originalDic, toMergeDic, keepEmpty, forceReplace);
}
if (!keepEmpty && originalDic.Count <= 0)
{
original.Remove(kvp.Key);
}
}
else if (toMergeElement is PListArray)
{
var toMergeArray = toMergeElement as PListArray;
var originalArray = original.Element <PListArray>(kvp.Key);
if (originalArray == null)
{
originalArray = new PListArray();
original[kvp.Key] = originalArray;
}
if (forceReplace)
{
original [kvp.Key] = toMergeArray.Copy();
originalArray = original.Element <PListArray> (kvp.Key);
}
else
{
MergeArrays(originalArray, toMergeArray, keepEmpty);
}
if (!keepEmpty && originalArray.Count <= 0)
{
original.Remove(kvp.Key);
}
}
else
{
//skip empty entries
//TODO should add empty string?
if (string.IsNullOrEmpty(toMergeElement.ToString()))
{
continue;
}
//add or overwrite existing value
original[kvp.Key] = kvp.Value.Copy();
}
}
}