public static SDataSchema Read(TextReader reader, string targetElementName)
{
var xsd = XmlSchema.Read(reader, null);
var schemaSet = new XmlSchemaSet();
schemaSet.Add(xsd);
schemaSet.Compile();
var resources = new Dictionary<string, SDataResource>();
foreach (DictionaryEntry entry in xsd.Elements)
{
var name = (XmlQualifiedName) entry.Key;
if (name.Namespace != xsd.TargetNamespace)
{
continue;
}
var resource = new SDataResource();
resource.Load(name, schemaSet);
resources.Add(name.Name, resource);
}
return new SDataSchema
{
TargetElementName = targetElementName,
Namespace = xsd.TargetNamespace,
Resources = resources
};
}
/// <summary>
/// Initialises a new instance of the <see cref="SDataResource"/> class
/// by cloning the details of the specified instance.
/// </summary>
/// <param name="source">Instance of the <see cref="SDataResource"/> to clone.</param>
public SDataResource(SDataResource source)
: base(source)
{
_oSource = source;
if (_oSource != null && _oSource.IsLoading)
_oSource.Loaded += Clone_Loaded;
else
Clone(_oSource);
}
private void Clone(SDataResource source)
{
_strTypeName = source.TypeName;
_oBaseType = source.BaseType;
if (source.RelationshipInformation != null)
_oRelationshipInformation = new SMERelationshipProperty(source.RelationshipInformation);
if (source.ResourceInformation != null)
_oResourceInfo = new SMEResource(source.ResourceInformation);
_oProperties = new List<SMEProperty>();
_oNameToProperty = new Dictionary<string, SMEProperty>(StringComparer.InvariantCultureIgnoreCase);
foreach (var property in source.Properties)
AddProperty(property);
_oNamespaces = new XmlNamespaceManager(new NameTable());
foreach (var ns in source.Namespaces.GetNamespacesInScope(XmlNamespaceScope.All))
{
// Don't add default namespaces
if (!String.IsNullOrEmpty(ns.Key))
_oNamespaces.AddNamespace(ns.Key, ns.Value);
}
}
private void Clone_Loaded(SDataResource metadata)
{
var original = metadata;
original.Loaded -= Clone_Loaded;
Clone(metadata);
}
private static SMEProperty GetMetadataProperty(XmlSchemaComplexType complexType, XmlQualifiedName name, XmlSchemaSet schemaSet)
{
// Find the metadata for the complex type
var existing = MetadataManager.GetMetadata(complexType.QualifiedName, schemaSet);
SMEProperty metaDataProperty;
if (existing != null)
{
// Create a delegate property
metaDataProperty = new SDataResource(existing);
// Change the relevant properties
metaDataProperty.Name = name.Name;
if (string.IsNullOrEmpty(metaDataProperty.Namespace))
metaDataProperty.Namespace = name.Namespace;
}
else
{
metaDataProperty = null;
}
return metaDataProperty;
}
