bool ReadDataNode (DataItem item, List<string> lines, int lastLine, string prefix, ref int lineNum)
{
string s = lines [lineNum].Trim (' ','\t');
if (s.Length == 0) {
lineNum++;
return true;
}
// Check if the line belongs to the current item
if (prefix.Length > 0) {
if (!s.StartsWith (prefix + "."))
return false;
s = s.Substring (prefix.Length + 1);
} else {
if (s.StartsWith ("$"))
return false;
}
int i = s.IndexOf ('=');
if (i == -1) {
lineNum++;
return true;
}
string name = s.Substring (0, i).Trim (' ','\t');
if (name.Length == 0) {
lineNum++;
return true;
}
string value = s.Substring (i+1).Trim (' ','\t');
if (value.StartsWith ("$")) {
// New item
DataItem child = new DataItem ();
child.Name = name;
lineNum++;
while (lineNum <= lastLine) {
if (!ReadDataNode (child, lines, lastLine, value, ref lineNum))
break;
}
item.ItemData.Add (child);
}
else {
value = DecodeString (value);
DataValue val = new DataValue (name, value);
item.ItemData.Add (val);
lineNum++;
}
return true;
}
public virtual bool StoreAsAttribute (DataValue val)
{
if (StoreAllInElements)
return StoreInElementExceptions != null && ((IList)StoreInElementExceptions).Contains (val.Name);
else
return true;
}
static bool ReadDataNode (DataItem item, KeyValuePair<string,string>[] lines, int lastLine, string prefix, Dictionary<DataNode,int> ids, ref int lineNum)
{
var s = lines [lineNum];
string name = s.Key;
if (name.Length == 0) {
lineNum++;
return true;
}
// Check if the line belongs to the current item
if (prefix.Length > 0) {
if (!s.Key.StartsWith (prefix + ".", StringComparison.Ordinal))
return false;
name = s.Key.Substring (prefix.Length + 1);
} else {
if (s.Key.StartsWith ("$", StringComparison.Ordinal))
return false;
}
string value = s.Value;
if (value.StartsWith ("$", StringComparison.Ordinal)) {
// New item
DataItem child = new DataItem ();
child.Name = name;
int id;
if (ids != null && int.TryParse (value.Substring (1), out id))
ids [child] = id;
lineNum++;
while (lineNum <= lastLine) {
if (!ReadDataNode (child, lines, lastLine, value, ids, ref lineNum))
break;
}
item.ItemData.Add (child);
} else {
value = DecodeString (value);
DataValue val = new DataValue (name, value);
item.ItemData.Add (val);
lineNum++;
}
return true;
}
internal protected override object OnDeserialize(SerializationContext serCtx, object mapData, DataNode data)
{
DataItem item = data as DataItem;
if (item == null)
{
throw new InvalidOperationException("Invalid value found for type '" + Name + "' " + data);
}
DataValue ctype = item ["ctype"] as DataValue;
if (ctype != null && ctype.Value != Name)
{
bool isFallbackType;
DataType stype = FindDerivedType(ctype.Value, mapData, out isFallbackType);
if (isFallbackType)
{
// Remove the ctype attribute, to make sure it is not checked again
// by the fallback type
item.ItemData.Remove(ctype);
}
if (stype != null)
{
DataNode desData = data;
if (stype.IsSimpleType)
{
desData = item.ItemData ["Value"];
if (desData == null)
{
throw new InvalidOperationException("Value node not found");
}
}
object sobj = stype.Deserialize(serCtx, mapData, desData);
// Store the original data type, so it can be serialized back
if (isFallbackType && sobj is IExtendedDataItem)
{
((IExtendedDataItem)sobj).ExtendedProperties ["__raw_ctype"] = ctype.Value;
}
return(sobj);
}
else
{
throw new InvalidOperationException("Type not found: " + ctype.Value);
}
}
ConstructorInfo ctor = ValueType.GetConstructor(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance, null, Type.EmptyTypes, null);
if (ctor == null)
{
throw new InvalidOperationException("Default constructor not found for type '" + ValueType + "'");
}
object obj = ctor.Invoke(null);
Deserialize(serCtx, null, item, obj);
return(obj);
}
DataCollection ICustomDataItem.Serialize (ITypeSerializer handler)
{
DataCollection data = handler.Serialize (this);
DataItem items = new DataItem ();
items.Name = "Items";
items.UniqueNames = false;
string baseDir = Path.GetDirectoryName (handler.SerializationContext.BaseFile);
foreach (WorkspaceItem it in Items) {
DataValue item = new DataValue ("Item", FileService.AbsoluteToRelativePath (baseDir, it.FileName));
items.ItemData.Add (item);
}
data.Add (items);
return data;
}
public DataNode Read(XmlReader reader)
{
DataItem item = new DataItem();
item.UniqueNames = false;
reader.MoveToContent();
string name = reader.LocalName;
item.Name = name;
while (reader.MoveToNextAttribute())
{
if (reader.LocalName == "xmlns")
{
continue;
}
DataNode data = ReadAttribute(reader.LocalName, reader.Value);
if (data != null)
{
DataValue val = data as DataValue;
if (val != null)
{
val.StoreAsAttribute = true;
}
item.ItemData.Add(data);
}
}
reader.MoveToElement();
if (reader.IsEmptyElement)
{
reader.Skip();
return(item);
}
reader.ReadStartElement();
string text = "";
while (reader.NodeType != XmlNodeType.EndElement)
{
if (reader.NodeType == XmlNodeType.Element)
{
DataNode data = ReadChild(reader, item);
if (data != null)
{
item.ItemData.Add(data);
}
}
else if (reader.NodeType == XmlNodeType.Text || reader.NodeType == XmlNodeType.Whitespace)
{
text += reader.Value;
reader.Skip();
}
else
{
reader.Skip();
}
}
reader.ReadEndElement();
if (!item.HasItemData && text != "")
{
return(new DataValue(name, text));
}
return(item);
}
