public bool Next()
{
if (null != this.node)
{
this.node = TreeNavigationHelper.GetContentSibling(this.node, XPathNodeType.Element);
if (node != null)
{
Advance();
}
return(null != this.node);
}
return(false);
}
XPathNodeView FillRow(XPathNode ndRow, Shape shape)
{
object[] columns;
XPathNode nd;
switch (shape.BindingType)
{
case BindingType.Text:
case BindingType.Attribute:
columns = new object[1];
columns[0] = ndRow;
return(new XPathNodeView(this, ndRow, columns));
case BindingType.Repeat:
columns = new object[1];
nd = TreeNavigationHelper.GetContentChild(ndRow);
columns[0] = FillColumn(new ContentIterator(nd, shape), shape);
return(new XPathNodeView(this, ndRow, columns));
case BindingType.Sequence:
case BindingType.Choice:
case BindingType.All:
int subShapesCount = shape.SubShapes.Count;
columns = new object[subShapesCount];
if (shape.BindingType == BindingType.Sequence &&
shape.SubShape(0).BindingType == BindingType.Attribute)
{
FillAttributes(ndRow, shape, columns);
}
Shape lastSubShape = (Shape)shape.SubShapes[subShapesCount - 1];
if (lastSubShape.BindingType == BindingType.Text) //Attributes followed by simpe content or mixed content
{
columns[subShapesCount - 1] = ndRow;
return(new XPathNodeView(this, ndRow, columns));
}
else
{
nd = TreeNavigationHelper.GetContentChild(ndRow);
return(FillSubRow(new ContentIterator(nd, shape), shape, columns));
}
default:
// should not map to a row
#if DEBUG
throw new NotSupportedException("Unable to bind row to: " + shape.BindingType.ToString());
#else
throw new NotSupportedException();
#endif
}
}
void PopulateFromXPath(XPathNode nd, XPathStep[] steps, int step)
{
string ln = steps[step].name.Name;
string ns = steps[step].name.Namespace;
if (XPathNodeType.Attribute == steps[step].type)
{
XPathNode ndAttr = nd.GetAttribute(ln, ns, true);
if (null != ndAttr)
{
if (null != ndAttr.SchemaAttribute)
{
this.rows.Add(ndAttr);
}
}
}
else
{
XPathNode ndChild = TreeNavigationHelper.GetElementChild(nd, ln, ns, true);
if (null != ndChild)
{
int nextStep = step + 1;
do
{
if (steps.Length == nextStep)
{
if (null != ndChild.SchemaType)
{
this.rows.Add(ndChild);
}
}
else
{
PopulateFromXPath(ndChild, steps, nextStep);
}
ndChild = TreeNavigationHelper.GetElementSibling(ndChild, ln, ns, true);
} while (null != ndChild);
}
}
}
