public IEnumerable Select(MFQueryKind kind, object query)
{
switch (kind)
{
case MFQueryKind.All:
case MFQueryKind.AllChildren:
return(new MFNodeByKindFilter(children, MFNodeKind.Text));
case MFQueryKind.AllAttributes:
case MFQueryKind.AttributeByQName:
return(MFEmptySequence.Instance);
case MFQueryKind.ChildrenByQName:
return(MFEmptySequence.Instance);
case MFQueryKind.SelfByQName:
if (localName == ((System.Xml.XmlQualifiedName)query).Name &&
namespaceURI == ((System.Xml.XmlQualifiedName)query).Namespace)
{
return(new MFSingletonSequence(this));
}
else
{
return(MFEmptySequence.Instance);
}
default:
throw new InvalidOperationException("Unsupported query type.");
}
}
public IEnumerable Select(MFQueryKind kind, object query)
{
switch (kind)
{
case MFQueryKind.All:
case MFQueryKind.AllChildren:
return(new MFNodeByKindFilter(children, MFNodeKind.Text));
case MFQueryKind.AttributeByQName:
return(MFEmptySequence.Instance);
case MFQueryKind.ChildrenByQName:
return(MFEmptySequence.Instance);
case MFQueryKind.SelfByQName:
return(MFEmptySequence.Instance);
default:
throw new InvalidOperationException("Unsupported query type.");
}
}
public IEnumerable Select(MFQueryKind kind, object query)
{
switch (kind)
{
case MFQueryKind.All:
case MFQueryKind.AllChildren:
case MFQueryKind.ChildrenByQName:
case MFQueryKind.SelfByQName:
return(MFEmptySequence.Instance);
case MFQueryKind.AttributeByQName:
if (dictionary.ContainsKey(((System.Xml.XmlQualifiedName)query).Name))
{
return(new MFSingletonSequence(dictionary[((System.Xml.XmlQualifiedName)query).Name]));
}
return(MFEmptySequence.Instance);
default:
throw new InvalidOperationException("Unsupported query type.");
}
}
public IEnumerable Select(MFQueryKind kind, object query)
{
switch (kind)
{
case MFQueryKind.All:
switch (node.NodeType)
{
case XmlNodeType.Element:
return(new SequenceJoin(new DOMChildrenAsMFNodeSequenceAdapter(node), new DOMAttributesAsMFNodeSequenceAdapter(node)));
case XmlNodeType.Document:
return(new DOMChildrenAsMFNodeSequenceAdapter(node));
case XmlNodeType.Attribute:
return(new MFSingletonSequence(node.Value));
case XmlNodeType.Text:
case XmlNodeType.SignificantWhitespace:
case XmlNodeType.CDATA:
return(new MFSingletonSequence(node.Value));
default:
return(MFEmptySequence.Instance);
}
case MFQueryKind.AllChildren:
switch (node.NodeType)
{
case XmlNodeType.Element:
case XmlNodeType.Document:
return(new DOMChildrenAsMFNodeSequenceAdapter(node));
case XmlNodeType.Attribute:
return(new MFSingletonSequence(node.Value));
case XmlNodeType.Text:
case XmlNodeType.SignificantWhitespace:
case XmlNodeType.CDATA:
return(new MFSingletonSequence(node.Value));
default:
return(MFEmptySequence.Instance);
}
case MFQueryKind.AllAttributes:
switch (node.NodeType)
{
case XmlNodeType.Element:
case XmlNodeType.Document:
return(new DOMAttributesAsMFNodeSequenceAdapter(node));
default:
return(MFEmptySequence.Instance);
}
case MFQueryKind.ChildrenByQName:
switch (node.NodeType)
{
case XmlNodeType.Element:
case XmlNodeType.Document:
return(new MFNodeByKindAndQNameFilter(new DOMChildrenAsMFNodeSequenceAdapter(node), MFNodeKind.Children, ((XmlQualifiedName)query).Name, ((XmlQualifiedName)query).Namespace));
default:
return(MFEmptySequence.Instance);
}
case MFQueryKind.SelfByQName:
switch (node.NodeType)
{
case XmlNodeType.Element:
case XmlNodeType.Attribute:
if (node.LocalName == ((XmlQualifiedName)query).Name &&
node.NamespaceURI == ((XmlQualifiedName)query).Namespace)
{
return(new MFSingletonSequence(this));
}
else
{
return(MFEmptySequence.Instance);
}
default:
return(MFEmptySequence.Instance);
}
case MFQueryKind.AttributeByQName:
switch (node.NodeType)
{
case XmlNodeType.Element:
{
XmlAttribute att = node.Attributes[((XmlQualifiedName)query).Name, ((XmlQualifiedName)query).Namespace];
if (att != null)
{
return(new MFSingletonSequence(new DOMNodeAsMFNodeAdapter(att)));
}
else
{
return(MFEmptySequence.Instance);
}
}
default:
return(MFEmptySequence.Instance);
}
default:
throw new InvalidOperationException("Unsupported query type.");
}
}
public IEnumerable Select(MFQueryKind kind, object query)
{
throw new InvalidOperationException("Unsupported selection.");
}
