internal XNode(XFile owner, string tag)
{
_parent = null;
Owner = owner;
Tag = tag;
Nodes = new List<XNode>();
}
public XNode(XNode parent, string tag)
{
_parent = parent;
Owner = parent.Owner;
Tag = tag;
Nodes = new List<XNode>();
}
public static object Deserialize(XNode node)
{
string type = node.Attribute("type");
switch(type)
{
case "string":
return node.Attribute("value");
case "int":
return int.Parse(node.Attribute("value"));
case "float":
{
var value = node.Attribute("value");
if (value == "max")
{
return float.MaxValue;
}
if (value == "min")
{
return float.MinValue;
}
return float.Parse(value, CultureInfo.InvariantCulture);
}
case "double":
{
var value = node.Attribute("value");
if (value == "max")
{
return double.MaxValue;
}
if (value == "min")
{
return double.MinValue;
}
return double.Parse(value, CultureInfo.InvariantCulture);
}
case "long":
return long.Parse(node.Attribute("value"));
case "bool":
return bool.Parse(node.Attribute("value"));
case "dateTime":
return DateTime.Parse(node.Attribute("value"), CultureInfo.InvariantCulture);
}
return null;
}
public static XFile LoadBinary(Stream stream, string name)
{
var reader = new BinaryReader(stream);
var xfile = new XFile(name);
var node = new XNode(null, xfile, reader);
xfile._node = node;
return xfile;
}
public static bool DeserializeEnum(XNode node, Type enumType, out object value)
{
string type = node.Attribute("type");
if(type == "enum")
{
try
{
value = Enum.Parse(enumType, node.Attribute("value"));
return true;
}
catch
{}
}
value = null;
return false;
}
internal XNode(XNode parent, XFile owner, BinaryReader reader)
{
_parent = parent;
Owner = owner;
Nodes = new List<XNode>();
Tag = reader.ReadString();
int attrCount = reader.ReadInt32();
for (int idx = 0; idx < attrCount; ++idx)
{
string key = reader.ReadString();
string value = reader.ReadString();
_attributes.Add(key, value);
}
int nodesCount = reader.ReadInt32();
for (int idx = 0; idx < nodesCount; ++idx)
{
var node = new XNode(this, owner, reader);
Nodes.Add(node);
}
if (nodesCount == 0)
{
byte contentType = reader.ReadByte();
if (contentType == ContentTypeString)
{
Value = reader.ReadString();
}
else if(contentType == ContentTypeByteArray)
{
int count = reader.ReadInt32();
BinaryValue = reader.ReadBytes(count);
}
}
}
private XNode(XNode parent, XFile file, int lineNumber)
{
_parent = parent;
Owner = file;
LineNumber = lineNumber;
Nodes = new List<XNode>();
}
public XNode EnucleateAttributes(string attribPrefix)
{
var node = new XNode(_parent, Owner, LineNumber);
int prefixLength = attribPrefix.Length;
foreach(var attrib in _attributes)
{
if ( attrib.Key.StartsWith(attribPrefix))
{
node._attributes.Add(attrib.Key.Substring(prefixLength), attrib.Value);
}
}
return node;
}
private XNode(XmlReader reader, XFile owner, XNode parent, Dictionary<string, string> namespaces)
{
namespaces = new Dictionary<string, string>(namespaces);
Owner = owner;
_parent = parent;
while (reader.NodeType != XmlNodeType.Element)
{
if (reader.EOF || reader.NodeType == XmlNodeType.EndElement)
{
if (reader.NodeType == XmlNodeType.EndElement)
{
reader.Read();
}
Tag = null;
return;
}
reader.Read();
}
Tag = reader.LocalName;
Namespace = reader.NamespaceURI;
IXmlLineInfo xmlInfo = reader as IXmlLineInfo;
if (xmlInfo != null)
{
LineNumber = xmlInfo.LineNumber;
}
else
{
LineNumber = 0;
}
Boolean hasChildren = !reader.IsEmptyElement;
bool hasBinaryContent = false;
if (reader.HasAttributes)
{
// Read all attributes and add them to dictionary.
while (reader.MoveToNextAttribute())
{
string key = reader.Name;
if (key.StartsWith("xmlns:"))
{
key = key.Substring(6);
namespaces.Add(key, reader.Value);
}
else if ( key != "xmlns")
{
if ( key.Contains(":"))
{
string[] vals = key.Split(':');
key = String.Format("{0}:{1}", namespaces[vals[0]], vals[1]);
}
if (key == "___XNodeExtensionAttribute_HasBinaryContent")
{
hasBinaryContent = reader.Value == "true";
}
else
{
_attributes.Add(key, reader.Value);
}
}
}
}
else
{
reader.Read();
}
Nodes = new List<XNode>();
while (reader.NodeType != XmlNodeType.Element && reader.NodeType != XmlNodeType.Text)
{
if (reader.EOF || reader.NodeType == XmlNodeType.EndElement)
{
return;
}
reader.Read();
}
if (reader.NodeType == XmlNodeType.Text)
{
if (hasBinaryContent)
{
BinaryValue = Convert.FromBase64String(reader.Value);
}
else
{
Value = reader.Value;
}
}
if (hasChildren)
{
while (true)
{
XNode node = new XNode(reader, owner, this, namespaces);
if (node.Tag != null)
{
Nodes.Add(node);
}
else
{
break;
}
if (reader.EOF)
{
return;
}
}
}
}
public static bool Serialize(XNode node, object value)
{
if(value is Enum)
{
node.AddAttribute("type", "enum");
node.AddAttribute("value", Enum.GetName(value.GetType(), value));
}
else if (value is string)
{
node.AddAttribute("type", "string");
node.AddAttribute("value", (string)value);
}
else if (value is int)
{
node.AddAttribute("type", "int");
node.AddAttribute("value", value.ToString());
}
else if (value is float)
{
float val = (float)value;
node.AddAttribute("type", "float");
string valueText = null;
if(val >= float.MaxValue)
{
valueText = "max";
}
else if (val <= float.MinValue)
{
valueText = "min";
}
else
{
valueText = string.Format(CultureInfo.InvariantCulture, "{0}", value);
}
node.AddAttribute("value", valueText);
}
else if (value is double)
{
double val = (double)value;
node.AddAttribute("type", "double");
string valueText = null;
if (val >= double.MaxValue)
{
valueText = "max";
}
else if (val <= double.MinValue)
{
valueText = "min";
}
else
{
valueText = string.Format(CultureInfo.InvariantCulture, "{0}", value);
}
node.AddAttribute("value", valueText);
}
else if (value is long)
{
node.AddAttribute("type", "long");
node.AddAttribute("value", value.ToString());
}
else if (value is bool)
{
node.AddAttribute("type", "bool");
node.AddAttribute("value", value.ToString());
}
else if (value is DateTime)
{
node.AddAttribute("type", "DateTime");
node.AddAttribute("value", string.Format(CultureInfo.InvariantCulture, "{0}", value));
}
else
{
return false;
}
return true;
}
