/// <summary>
/// Document-Uri operation.
/// </summary>
/// <param name="args">
/// Result from the expressions evaluation. </param>
/// <exception cref="DynamicError">
/// Dynamic error. </exception>
/// <returns> Result of fn:document-uri operation. </returns>
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: public static org.eclipse.wst.xml.xpath2.api.ResultSequence document_uri(java.util.Collection args) throws org.eclipse.wst.xml.xpath2.processor.DynamicError
public static ResultSequence document_uri(ICollection args)
{
ICollection cargs = Function.convert_arguments(args, expected_args());
var i = cargs.GetEnumerator();
i.MoveNext();
ResultSequence arg1 = (ResultSequence)i.Current;
if (arg1 == null || arg1.empty())
{
return(ResultBuffer.EMPTY);
}
NodeType nt = (NodeType)arg1.first();
if (!(nt is DocType))
{
return(ResultBuffer.EMPTY);
}
DocType dt = (DocType)nt;
string documentURI = dt.value().DocumentURI;
if (!string.ReferenceEquals(documentURI, null))
{
XSAnyURI docUri = new XSAnyURI(documentURI);
return(docUri);
}
return(ResultBuffer.EMPTY);
}