private void WriteValue(XmlSchemaObject.XmlNode schemaNode, XmlWriter nodeWriter)
{
if (schemaNode == null)
{
return;
}
if (schemaNode.IsAttribute)
{
nodeWriter.WriteStartAttribute(schemaNode.Name);
nodeWriter.WriteValue(reader.Value);
nodeWriter.WriteEndAttribute();
}
else
{
string prefix = Settings.Prefix;
string ns = schemaNode.Namespace;
if (String.IsNullOrEmpty(schemaNode.Namespace))
{
prefix = null;
ns = null;
}
nodeWriter.WriteStartElement(prefix, schemaNode.Name, ns);
nodeWriter.WriteValue(reader.Value);
nodeWriter.WriteEndElement();
}
}
private void WriteElementOrAttribute(XmlSchemaObject.XmlNode schemaNode, string elementName, XmlWriter attributeWriter, XmlWriter elementWriter)
{
if (schemaNode == null)
{
return;
}
XmlSchemaObject.XmlNode childNode = schemaNode.ChildNode(elementName);
if (childNode == null)
{
return;
}
if (childNode.IsAttribute)
{
WriteValue(childNode, attributeWriter);
}
else
{
WriteValue(childNode, elementWriter);
}
}
private void WriteValue(XmlSchemaObject.XmlNode schemaNode)
{
WriteValue(schemaNode, wtr);
}
public override Stream Parse()
{
VirtualStream elmementStream = new VirtualStream();
XmlWriter elementWriter = XmlWriter.Create(elmementStream, new XmlWriterSettings {
ConformanceLevel = ConformanceLevel.Fragment
});
XmlSchemaObject.XmlNode schemaNode = new XmlSchemaObject.XmlNode();
XmlProcessor processor = new XmlProcessor();
schemaNode = processor.Process(Settings.Schema, Settings.RootName);
if (schemaNode == null)
{
throw new NullReferenceException($"SchemaNode with name {Settings.RootName} could not be found");
}
wtr.WriteStartElement(Settings.Prefix, Settings.RootName, schemaNode.Namespace);
string elementName = String.Empty;
while (reader.Read())
{
switch (reader.TokenType)
{
case JsonToken.StartObject:
XmlSchemaObject.XmlNode objectNode = schemaNode.FirstOrDefaultChild(elementName);
var objectStream = WriteObject(objectNode);
WriteElementFragment(elementWriter, objectStream);
break;
case JsonToken.EndObject:
if (reader.Depth > 0)
{
}
break;
case JsonToken.Date:
case JsonToken.String:
case JsonToken.Integer:
case JsonToken.Float:
case JsonToken.Boolean:
case JsonToken.Bytes:
//All attributes must be written before child elements
WriteElementOrAttribute(schemaNode, elementName, wtr, elementWriter);
break;
case JsonToken.Null:
// empty element. do nothing
break;
case JsonToken.PropertyName:
elementName = (string)reader.Value;
break;
case JsonToken.StartArray:
XmlSchemaObject.XmlNode arrayNode = schemaNode.FirstOrDefaultChild(elementName);
var arrayStream = WriteArray(arrayNode);
WriteElementFragment(elementWriter, arrayStream);
break;
}
}
WriteElementFragment(wtr, elmementStream, elementWriter);
wtr.WriteEndDocument();
wtr.Flush();
wtr.Close();
m_stm.Position = 0;
return(m_stm);
}
private Stream WriteObject(XmlSchemaObject.XmlNode schemaNode)
{
VirtualStream elementStream = new VirtualStream();
XmlWriter elementWriter = XmlWriter.Create(elementStream, new XmlWriterSettings {
ConformanceLevel = ConformanceLevel.Fragment
});
VirtualStream objectStream = new VirtualStream();
XmlWriter objectWriter = XmlWriter.Create(objectStream, new XmlWriterSettings {
ConformanceLevel = ConformanceLevel.Fragment, CloseOutput = false
});
string elementName = String.Empty;
if (schemaNode != null)
{
objectWriter.WriteStartElement(Settings.Prefix, schemaNode.Name, schemaNode.Namespace);
}
while (reader.Read())
{
if (reader.TokenType == JsonToken.EndObject)
{
if (schemaNode == null)
{
return(null);
}
break;
}
switch (reader.TokenType)
{
case JsonToken.StartObject:
if (elementName != String.Empty)
{
XmlSchemaObject.XmlNode objectNode = schemaNode == null ? null : schemaNode.ChildNode(elementName);
Stream retObjectStream = WriteObject(objectNode);
WriteElementFragment(elementWriter, retObjectStream);
}
break;
case JsonToken.Date:
case JsonToken.String:
case JsonToken.Integer:
case JsonToken.Float:
case JsonToken.Boolean:
case JsonToken.Bytes:
WriteElementOrAttribute(schemaNode, elementName, objectWriter, elementWriter);
break;
case JsonToken.Null:
// empty element. do nothing
break;
case JsonToken.PropertyName:
elementName = (string)reader.Value;
break;
// case JsonToken.EndArray:
// return;
case JsonToken.StartArray:
XmlSchemaObject.XmlNode arrayNode = schemaNode == null ? null : schemaNode.ChildNode(elementName);
var innerArray = WriteArray(arrayNode);
WriteElementFragment(elementWriter, innerArray);
break;
// default:
}
}
WriteElementFragment(objectWriter, elementStream, elementWriter);
objectWriter.WriteEndElement();
objectWriter.Flush();
objectWriter.Close();
objectStream.Position = 0;
return(objectStream);
}
private Stream WriteArray(XmlSchemaObject.XmlNode schemaNode)
{
VirtualStream arrayStream = new VirtualStream();
XmlWriter arrayWriter = XmlWriter.Create(arrayStream, new XmlWriterSettings {
ConformanceLevel = ConformanceLevel.Fragment, CloseOutput = false
});
string elementName = String.Empty;
while (reader.Read())
{
if (reader.TokenType == JsonToken.EndArray)
{
if (schemaNode == null)
{
return(null);
}
break;
}
switch (reader.TokenType)
{
case JsonToken.StartObject:
XmlSchemaObject.XmlNode objectNode = schemaNode == null ?null: schemaNode.CurrentOrDefaultChild(elementName);
var objectStream = WriteObject(objectNode);
WriteElementFragment(arrayWriter, objectStream);
break;
case JsonToken.Date:
case JsonToken.String:
case JsonToken.Integer:
case JsonToken.Float:
case JsonToken.Boolean:
case JsonToken.Bytes:
if (schemaNode != null)
{
string prefix = Settings.Prefix;
string ns = schemaNode.Namespace;
if (String.IsNullOrEmpty(schemaNode.Namespace))
{
prefix = null;
ns = null;
}
arrayWriter.WriteStartElement(prefix, elementName == String.Empty ? schemaNode.Name : elementName, ns);
arrayWriter.WriteValue(reader.Value);
arrayWriter.WriteEndElement();
}
break;
case JsonToken.Null:
// empty element. do nothing
break;
case JsonToken.PropertyName:
elementName = (string)reader.Value;
break;
case JsonToken.StartArray:
XmlSchemaObject.XmlNode arrayNode = schemaNode == null ? null : schemaNode.ChildNode(elementName);
Stream childArray = WriteArray(arrayNode);
WriteElementFragment(arrayWriter, childArray);
break;
// default:
}
}
arrayWriter.Flush();
arrayWriter.Close();
arrayStream.Position = 0;
return(arrayStream);
}
