protected void printNestedElementList(ISparqlPrinter p, INode predicate)
{
p.print(" {");
p.println();
IResource elementsRaw = getObject(predicate);
if (elementsRaw != null)
{
IElementList elements = (IElementList)elementsRaw.As(typeof(ElementListImpl));
p.setIndentation(p.getIndentation() + 1);
elements.Print(p);
p.setIndentation(p.getIndentation() - 1);
}
p.printIndentation(p.getIndentation());
p.print("}");
}
override public void Print(ISparqlPrinter p)
{
List <IElement> elements = getElements();
int oldI = -1;
for (int i = 0; i < elements.Count; i++)
{
if (i == oldI)
{
break; // Prevent unknown endless loop conditions
}
oldI = i;
IElement element = elements[i];
p.printIndentation(p.getIndentation());
if (element is IElementList && ((IElementList)element).getElements().Count > 1)
{
p.print("{");
p.println();
p.setIndentation(p.getIndentation() + 1);
element.Print(p);
p.setIndentation(p.getIndentation() - 1);
p.printIndentation(p.getIndentation());
p.print("} ");
}
else
{
if (element is ITriplePattern)
{
i = printTriplePattern(elements, i, p);
}
else
{
element.Print(p);
}
}
if (!(element is IElementList) || ((IElementList)element).getElements().Count > 1)
{
p.print(" .");
}
p.println();
}
}
override public void Print(ISparqlPrinter p)
{
p.print("{");
p.println();
IQuery query = getQuery();
if (query != null)
{
p.setIndentation(p.getIndentation() + 1);
query.Print(p);
p.setIndentation(p.getIndentation() - 1);
}
else
{
p.print("<Exception: Missing sub-query>");
}
p.println();
p.printIndentation(p.getIndentation());
p.print("}");
}
override public void Print(ISparqlPrinter p)
{
List <IElement> elements = getElements();
for (IEnumerator <IElement> it = elements.GetEnumerator(); it.MoveNext();)
{
IElement element = it.Current;
p.print("{");
p.println();
p.setIndentation(p.getIndentation() + 1);
element.Print(p);
p.setIndentation(p.getIndentation() - 1);
p.printIndentation(p.getIndentation());
p.print("}");
if (it.MoveNext())
{
p.println();
p.printIndentation(p.getIndentation());
p.printKeyword("UNION");
p.println();
p.printIndentation(p.getIndentation());
}
}
}
protected bool printTemplates(ISparqlPrinter p, INode predicate, String keyword, bool force, IResource graphIRI)
{
IResource resource = getResource(predicate);
if (resource == null)
{
return(false);
}
List <IResource> nodes = resource.AsList();
if (nodes.Count > 0 || force)
{
if (keyword != null)
{
p.printIndentation(p.getIndentation());
p.printKeyword(keyword);
}
p.print(" {");
p.println();
if (graphIRI != null)
{ // Legacy triple
p.setIndentation(p.getIndentation() + 1);
p.printIndentation(p.getIndentation());
p.printKeyword("GRAPH");
p.print(" ");
printVarOrResource(p, graphIRI);
p.print(" {");
p.println();
}
foreach (IResource node in nodes)
{
p.printIndentation(p.getIndentation() + 1);
if (node.canAs(SP.ClassNamedGraph))
{
INamedGraph namedGraph = (INamedGraph)node.As(typeof(NamedGraphImpl));
p.setIndentation(p.getIndentation() + 1);
p.setNamedBNodeMode(true);
namedGraph.Print(p);
p.setNamedBNodeMode(false);
p.setIndentation(p.getIndentation() - 1);
}
else
{
ITripleTemplate template = (ITripleTemplate)node.As(typeof(TripleTemplateImpl));
template.Print(p);
}
p.print(" .");
p.println();
}
if (graphIRI != null)
{
p.printIndentation(p.getIndentation());
p.setIndentation(p.getIndentation() - 1);
p.print("}");
p.println();
}
p.printIndentation(p.getIndentation());
p.print("}");
return(true);
}
else
{
return(false);
}
}