ExtensionDeclarationXml ReadDeclaration()
{
if (_declarationNode == null || _declarationNode.NodeType != XmlNodeType.Element || !_declarationNode.HasChildNodes)
{
return(null);
}
var declaration = new ExtensionDeclarationXml();
for (int i = 0; i < _declarationNode.ChildNodes.Count; i++)
{
var node = _declarationNode.ChildNodes[i];
if (node.NodeType != XmlNodeType.Element || node.Attributes == null || node.Attributes.Count == 0)
{
continue; // not a valid definition
}
var epTypeName = XmlHelper.GetMatchingAttribueValue(node, AttributeType); //Get the extension point type
if (!string.IsNullOrEmpty(epTypeName)) //'Type' attribute defined: this is a valid extension point
{
// This is an extension point that defined in this addin
var epId = XmlHelper.GetNodeName(node);
var ep = new ExtensionPointXml
{
Id = epId,
TypeName = epTypeName,
Description = XmlHelper.GetMatchingAttribueValue(node, AttributeDescription)
};
declaration.AddExtensionPoint(ep);
if (node.HasChildNodes)
{
for (int j = 0; j < node.ChildNodes.Count; j++)
{
var eb = ReadExtensionBuilder(node.ChildNodes[j], epId, epId);
if (eb != null)
{
ep.AddChild(eb);
}
}
}
}
else
{
// This might be an extension point that defined in another addin
var ebGroupPath = XmlHelper.GetMatchingAttribueValue(node, AttributePath);
if (ebGroupPath == null) // not a valid definition
{
continue;
}
var ebGroup = ReadExtensionBuilderGroup(node, ebGroupPath);
if (ebGroup != null)
{
declaration.AddExtensionBuilderGroup(ebGroup);
}
}
}
return(declaration);
}
ExtensionSchemaXml ReadExtensionSchema()
{
if (_extensionSchemaNode == null || _extensionSchemaNode.NodeType != XmlNodeType.Element || !_extensionSchemaNode.HasChildNodes)
{
return(null);
}
var schema = new ExtensionSchemaXml();
for (int i = 0; i < _extensionSchemaNode.ChildNodes.Count; i++)
{
var node = _extensionSchemaNode.ChildNodes[i];
if (node.NodeType != XmlNodeType.Element || node.Attributes == null || node.Attributes.Count == 0)
{
continue; // not a valid definition
}
var epTypeName = XmlHelper.GetMatchingAttribueValue(node, AttributeType); //Get the extension point type
if (!string.IsNullOrEmpty(epTypeName)) //'Type' attribute defined: this is a valid extension point
{
// This is an extension point that defined in this addin
var epName = XmlHelper.GetNodeName(node);
var ep = new ExtensionPointXml
{
Name = epName,
TypeName = epTypeName,
Description = XmlHelper.GetMatchingAttribueValue(node, AttributeDescription)
};
schema.AddExtensionPoint(ep);
if (node.HasChildNodes)
{
for (int j = 0; j < node.ChildNodes.Count; j++)
{
var eb = ReadExtensionBuilder(node.ChildNodes[j], epName, epName);
if (eb != null)
{
ep.AddChild(eb);
}
}
}
}
else
{
// This might be an extension point that defined in another addin
var ebGroupPath = XmlHelper.GetMatchingAttribueValue(node, AttributePath);
ebGroupPath = ExtensionHelper.NormalizePath(ebGroupPath);
if (ebGroupPath == null) // not a valid definition
{
continue;
}
var ebGroup = ReadExtensionBuilderGroup(node, ebGroupPath);
if (ebGroup != null)
{
schema.AddExtensionBuilderGroup(ebGroup);
}
}
}
return(schema.ExtensionBuilderGroups == null && schema.ExtensionPoints == null ? null : schema);
}