/// <summary>
/// opens XSD file and returns file name
/// </summary>
/// <param name="path">what XSD to open</param>
/// <returns>filename if succesfull, otherwise null</returns>
public string OpenXSD(string path)
{
_xsd = new XSDData(path);
CurrentNode = _xsd.RootNode;
return(_xsd.Name);
}
public XSDData(string path)
{
Path = path;
Name = System.IO.Path.GetFileName(path);
var content = File.ReadAllText(path, Encoding.UTF8);
Content = content;
var doc = XDocument.Parse(content);
try
{
StreamReader tr = new StreamReader(Path);
var schema = XmlSchema.Read(tr, new ValidationEventHandler(SchemaValidationHandler));
tr.Close();
// compile schema
schema.Compile(new ValidationEventHandler(SchemaValidationHandler));
// Create Root Node
RootNode = new XSDTreeNode("root", "type", false);
DecodeSchema(schema, RootNode);
}
catch (Exception err)
{
// TODO handle exception?
}
}
public void CurrentNodeEnd(string nodeName)
{
CurrentNodeStatus = NodeStatus.Inside;
XSDTreeNode node = null;
CurrentNode?.Elements.TryGetValue(nodeName, out node);
CurrentNode = node ?? GetFromComplex(CurrentNode, nodeName) ?? CurrentNode;
}
public void CurrentNodeOpen(string nodeName)
{
CurrentNodeStatus = NodeStatus.Open;
XSDTreeNode node = null;
CurrentNode?.Elements.TryGetValue(nodeName, out node);
CurrentNode = node ?? CurrentNode;
}
private void DecodeSchema(XmlSchema schema, XSDTreeNode node)
{
try
{
DecodeSchema2(schema, node);
}
catch (Exception err)
{
}
}
private XSDTreeNode GetFromComplex(XSDTreeNode startNode, string nodeName)
{
XSDTreeNode node = null;
var complexElems = _xsd.RootNode.Elements.Where(e => e.Value.ComplexType == true);
var type = CurrentNode.Type?.Substring(CurrentNode.Type.LastIndexOf(":") + 1);
var complexTypes = complexElems.Where(ce => ce.Key == type);
if (complexTypes.Count() > 0)
{
complexTypes?.First().Value?.Elements?.TryGetValue(nodeName, out node);
}
node?.UpdateParent(startNode);
return(node);
}
public void ResetCurrentNode()
{
CurrentNodeStatus = NodeStatus.Closed;
CurrentNode = _xsd.RootNode;
}
public void CurrentNodeClose()
{
CurrentNodeStatus = NodeStatus.Closed;
CurrentNode = CurrentNode != _xsd.RootNode ? CurrentNode.Parent ?? CurrentNode : CurrentNode;
}
// recursive decoder
private XSDTreeNode DecodeSchema2(XmlSchemaObject obj, XSDTreeNode node)
{
XSDTreeNode newNode = node;
// convert the object to all types and then check what type actually exists
XmlSchemaAnnotation annot = obj as XmlSchemaAnnotation;
XmlSchemaAttribute attrib = obj as XmlSchemaAttribute;
XmlSchemaFacet facet = obj as XmlSchemaFacet;
XmlSchemaDocumentation doc = obj as XmlSchemaDocumentation;
XmlSchemaAppInfo appInfo = obj as XmlSchemaAppInfo;
XmlSchemaElement element = obj as XmlSchemaElement;
XmlSchemaSimpleType simpleType = obj as XmlSchemaSimpleType;
XmlSchemaComplexType complexType = obj as XmlSchemaComplexType;
// if annotation, add a tree node and recurse for documentation and app info
if (annot != null)
{
newNode = new XSDTreeNode("--annotation--", "--annotation--", false);
node.Add(newNode);
foreach (XmlSchemaObject schemaObject in annot.Items)
{
DecodeSchema2(schemaObject, newNode);
}
}
// if attribute, add an attribute at tree node
else if (attrib != null)
{
node.AddAttribute(attrib.QualifiedName.Name, attrib.SchemaTypeName.Name);
}
// if facet, add a tree node
else if (facet != null)
{
newNode = new XSDTreeNode(facet.ToString(), facet.ToString(), false);
node.Add(newNode);
}
// if documentation, add a tree node
else if (doc != null)
{
newNode = new XSDTreeNode("--documentation--", "--documentation--", false);
node.Add(newNode);
}
// if app info, add a tree node
else if (appInfo != null)
{
newNode = new XSDTreeNode("--app info--", "--app info--", false);
node.Add(newNode);
}
// if an element, determine whether the element is a simple type or a complex type
else if (element != null)
{
XmlSchemaSimpleType st = element.SchemaType as XmlSchemaSimpleType;
XmlSchemaComplexType ct = element.SchemaType as XmlSchemaComplexType;
if (st != null)
{
// this is a simple type element. Recurse.
XSDTreeNode node2 = DecodeSchema2(st, newNode);
node2.Name = element.Name;
node2.Element = true;
node2.ComplexType = false;
}
else if (ct != null)
{
// this is a complex type element. Recurse.
XSDTreeNode node2 = DecodeSchema2(ct, newNode);
newNode.Remove(node2);
node2.Name = element.Name;
node2.Element = true;
node2.ComplexType = true;
newNode.Add(node2);
}
else
{
// This is a plain ol' fashioned element.
newNode = new XSDTreeNode(element.QualifiedName.Name, element.ElementSchemaType?.Name ?? element.SchemaTypeName.Name, false);
newNode.Element = true;
node.Add(newNode);
}
}
// if a simple type, then add a tree node and recurse facets
else if (simpleType != null)
{
newNode = new XSDTreeNode(simpleType.QualifiedName.Name, simpleType.BaseXmlSchemaType.Name, false);
node.Add(newNode);
XmlSchemaSimpleTypeRestriction rest = simpleType.Content as XmlSchemaSimpleTypeRestriction;
if (rest != null)
{
foreach (XmlSchemaFacet schemaObject in rest.Facets)
{
DecodeSchema2(schemaObject, newNode);
}
}
}
// if a complex type, add a tree node and recurse its sequence
else if (complexType != null)
{
if (null == complexType.Name)
{
newNode = new XSDTreeNode("--tmp-name--", complexType.BaseXmlSchemaType.Name, true);
}
else
{
newNode = new XSDTreeNode(complexType.Name, complexType.BaseXmlSchemaType.Name, true);
}
node.Add(newNode);
XmlSchemaSequence seq = complexType.Particle as XmlSchemaSequence;
if (seq != null)
{
foreach (XmlSchemaObject schemaObject in seq.Items)
{
DecodeSchema2(schemaObject, newNode);
}
}
}
// now recurse any object collection of the type.
foreach (PropertyInfo property in obj.GetType().GetProperties())
{
if (property.PropertyType.FullName == "System.Xml.Schema.XmlSchemaObjectCollection")
{
XmlSchemaObjectCollection childObjectCollection = (XmlSchemaObjectCollection)property.GetValue(obj, null);
foreach (XmlSchemaObject schemaObject in childObjectCollection)
{
DecodeSchema2(schemaObject, newNode);
}
}
}
return(newNode);
}
