/// <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);
}
/*
* Helper function for base-uri support
*/
public static ResultSequence getBaseUri(Item att)
{
ResultBuffer rs = new ResultBuffer();
XSAnyURI baseUri = null;
// depending on the node type, we get the base-uri for the node.
// if base-uri property in DOM is null, we set the base-uri as string "null". This
// avoids null pointer exception while comparing xs:anyURI values.
if (att is NodeType)
{
NodeType node = (NodeType)att;
Node domNode = node.node_value();
string buri = domNode.BaseURI;
if (!string.ReferenceEquals(buri, null))
{
baseUri = new XSAnyURI(buri);
}
else
{
baseUri = new XSAnyURI("null");
}
}
if (baseUri != null)
{
rs.add(baseUri);
}
return(rs.Sequence);
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="schema">
/// Schema information from document. May be null. </param>
public DefaultStaticContext(TypeModel model)
{
_xpath1_compatible = false;
_default_namespace = null;
_default_function_namespace = FnFunctionLibrary.XPATH_FUNCTIONS_NS;
_model = model;
builtinTypes = new XSCtrLibrary();
_functions = new Dictionary <string, FunctionLibrary>(20); // allow null keys: null namespace
_namespaces = new Hashtable(20); // ditto
_cntxt_item_type = null;
_scopes = new Stack();
new_scope();
if (_model != null)
{
init_schema(model);
}
_base_uri = new XSAnyURI();
// XXX wildcard prefix
add_namespace("*", "*");
}
/// <summary>
/// Set the Base URI for the static context.
/// </summary>
public virtual void set_base_uri(string baseuri)
{
_base_uri = new XSAnyURI(baseuri);
}