/// <summary>
/// Resolves a QName/Uri into a Uri using the Namespace Mapper and Base Uri provided
/// </summary>
/// <param name="t">QName/Uri to resolve</param>
/// <param name="nsmap">Namespace Map to resolve against</param>
/// <param name="baseUri">Base Uri to resolve against</param>
/// <returns></returns>
public static String ResolveUriOrQName(IToken t, INamespaceMapper nsmap, Uri baseUri)
{
if (t.TokenType == Token.QNAME)
{
return(Tools.ResolveQName(t.Value, nsmap, baseUri));
}
else if (t.TokenType == Token.URI)
{
String uriBase = (baseUri == null) ? String.Empty : baseUri.ToString();
return(Tools.ResolveUri(t.Value, uriBase));
}
else
{
throw new RdfParseException("Unable to resolve a '" + t.GetType().ToString() + "' Token into a URI", t);
}
}
/// <summary>
/// Internal Only Constructor for URI Nodes.
/// </summary>
/// <param name="g">Graph this Node is in.</param>
/// <param name="qname">QName for the Node.</param>
/// <remarks>
/// This Constructor tries to resolve the QName using the NamespaceMapper and Base Uri of the Graph it is in. Exceptions may occur if we cannot resolve the QName correctly.
/// </remarks>
protected internal BaseUriNode(IGraph g, String qname)
: base(g, NodeType.Uri)
{
if (qname.Contains(':'))
{
if (_graph != null)
{
_uri = UriFactory.Create(Tools.ResolveQName(qname, _graph.NamespaceMap, _graph.BaseUri));
}
else
{
throw new RdfException("Cannot create a URI Node using a QName in a Null Graph");
}
}
else
{
throw new RdfException("Cannot create a URI Node since the QName '" + qname + "' appears to be invalid");
}
// Compute Hash Code
_hashcode = (_nodetype + ToString()).GetHashCode();
}
/// <summary>
/// Helper function for Resolving QNames to URIs.
/// </summary>
/// <param name="qname">QName to resolve to a Uri.</param>
/// <returns></returns>
public virtual Uri ResolveQName(String qname)
{
return(UriFactory.Create(Tools.ResolveQName(qname, _nsmapper, _baseuri)));
}
/// <summary>
/// Resolves a QName into a Uri using the Namespace Mapper and Base Uri provided
/// </summary>
/// <param name="qname">QName to resolve</param>
/// <param name="nsmap">Namespace Map to resolve against</param>
/// <param name="baseUri">Base Uri to resolve against</param>
/// <returns></returns>
public static String ResolveQName(String qname, INamespaceMapper nsmap, Uri baseUri)
{
return(Tools.ResolveQName(qname, nsmap, baseUri, false));
}
