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 FillAttributes(XPathNode nd, Shape shape, object[] cols)
{
int i = 0;
while (i < cols.Length)
{
Shape attrShape = shape.SubShape(i);
if (attrShape.BindingType != BindingType.Attribute)
{
break;
}
XmlQualifiedName name = attrShape.AttributeName;
XPathNode ndAttr = nd.GetAttribute(name.Name, name.Namespace);
if (null != ndAttr)
{
cols[i] = ndAttr;
}
i++;
}
}
XPathNodeView FillSubRow(ContentIterator iter, Shape shape, object[] columns)
{
if (null == columns)
{
int colCount = shape.SubShapes.Count;
if (0 == colCount)
{
colCount = 1;
}
columns = new object[colCount];
}
switch (shape.BindingType)
{
case BindingType.Element:
columns[0] = FillColumn(iter, shape);
break;
case BindingType.Sequence: {
int iPrev = -1;
int i;
while (null != iter.Node)
{
i = shape.FindMatchingSubShape(iter.Particle);
if (i <= iPrev)
{
break;
}
columns[i] = FillColumn(iter, shape.SubShape(i));
iPrev = i;
}
break;
}
case BindingType.All: {
while (null != iter.Node)
{
int i = shape.FindMatchingSubShape(iter.Particle);
if (-1 == i || null != columns[i])
{
break;
}
columns[i] = FillColumn(iter, shape.SubShape(i));
}
break;
}
case BindingType.Choice: {
int i = shape.FindMatchingSubShape(iter.Particle);
if (-1 != i)
{
columns[i] = FillColumn(iter, shape.SubShape(i));
}
break;
}
case BindingType.Repeat:
default:
// should not map to a row
throw new NotSupportedException();
}
return(new XPathNodeView(this, null, columns));
}
object FillColumn(ContentIterator iter, Shape shape)
{
object val;
switch (shape.BindingType)
{
case BindingType.Element:
val = iter.Node;
iter.Next();
break;
case BindingType.ElementNested: {
ArrayList rows = new ArrayList();
rows.Add(iter.Node);
iter.Next();
val = new XPathDocumentView(null, rows, shape.NestedShape);
break;
}
case BindingType.Repeat: {
ArrayList rows = new ArrayList();
Shape subShape = shape.SubShape(0);
if (subShape.BindingType == BindingType.ElementNested)
{
Shape nestShape = subShape.NestedShape;
XPathDocumentView xivc = new XPathDocumentView(null, null, nestShape);
XPathNode nd;
while (null != (nd = iter.Node) &&
subShape.IsParticleMatch(iter.Particle))
{
rows.Add(nd);
iter.Next();
}
xivc.SetRows(rows);
val = xivc;
}
else
{
XPathDocumentView xivc = new XPathDocumentView(null, null, subShape);
XPathNode nd;
while (null != (nd = iter.Node) &&
shape.IsParticleMatch(iter.Particle))
{
rows.Add(xivc.FillSubRow(iter, subShape, null));
}
xivc.SetRows(rows);
val = xivc;
}
break;
}
case BindingType.Sequence:
case BindingType.Choice:
case BindingType.All: {
XPathDocumentView docview = new XPathDocumentView(null, null, shape);
ArrayList rows = new ArrayList();
rows.Add(docview.FillSubRow(iter, shape, null));
docview.SetRows(rows);
val = docview;
break;
}
default:
case BindingType.Text:
case BindingType.Attribute:
throw new NotSupportedException();
}
return(val);
}
XPathNodeView FillSubRow(ContentIterator iter, Shape shape, object[] columns) {
if (null == columns) {
int colCount = shape.SubShapes.Count;
if (0 == colCount)
colCount = 1;
columns = new object[colCount];
}
switch (shape.BindingType) {
case BindingType.Element:
columns[0] = FillColumn(iter, shape);
break;
case BindingType.Sequence: {
int iPrev = -1;
int i;
while (null != iter.Node) {
i = shape.FindMatchingSubShape(iter.Particle);
if (i <= iPrev)
break;
columns[i] = FillColumn(iter, shape.SubShape(i));
iPrev = i;
}
break;
}
case BindingType.All: {
while (null != iter.Node) {
int i = shape.FindMatchingSubShape(iter.Particle);
if (-1 == i || null != columns[i])
break;
columns[i] = FillColumn(iter, shape.SubShape(i));
}
break;
}
case BindingType.Choice: {
int i = shape.FindMatchingSubShape(iter.Particle);
if (-1 != i) {
columns[i] = FillColumn(iter, shape.SubShape(i));
}
break;
}
case BindingType.Repeat:
default:
// should not map to a row
throw new NotSupportedException();
}
return new XPathNodeView(this, null, columns);
}
object FillColumn(ContentIterator iter, Shape shape) {
object val;
switch (shape.BindingType) {
case BindingType.Element:
val = iter.Node;
iter.Next();
break;
case BindingType.ElementNested: {
ArrayList rows = new ArrayList();
rows.Add(iter.Node);
iter.Next();
val = new XPathDocumentView(null, rows, shape.NestedShape);
break;
}
case BindingType.Repeat: {
ArrayList rows = new ArrayList();
Shape subShape = shape.SubShape(0);
if (subShape.BindingType == BindingType.ElementNested) {
Shape nestShape = subShape.NestedShape;
XPathDocumentView xivc = new XPathDocumentView(null, null, nestShape);
XPathNode nd;
while (null != (nd = iter.Node)
&& subShape.IsParticleMatch(iter.Particle)) {
rows.Add(nd);
iter.Next();
}
xivc.SetRows(rows);
val = xivc;
}
else {
XPathDocumentView xivc = new XPathDocumentView(null, null, subShape);
XPathNode nd;
while (null != (nd = iter.Node)
&& shape.IsParticleMatch(iter.Particle)) {
rows.Add(xivc.FillSubRow(iter, subShape, null));
}
xivc.SetRows(rows);
val = xivc;
}
break;
}
case BindingType.Sequence:
case BindingType.Choice:
case BindingType.All: {
XPathDocumentView docview = new XPathDocumentView(null, null, shape);
ArrayList rows = new ArrayList();
rows.Add(docview.FillSubRow(iter, shape, null));
docview.SetRows(rows);
val = docview;
break;
}
default:
case BindingType.Text:
case BindingType.Attribute:
throw new NotSupportedException();
}
return val;
}
void FillAttributes(XPathNode nd, Shape shape, object[] cols) {
int i = 0;
while (i < cols.Length) {
Shape attrShape = shape.SubShape(i);
if (attrShape.BindingType != BindingType.Attribute)
break;
XmlQualifiedName name = attrShape.AttributeName;
XPathNode ndAttr = nd.GetAttribute( name.Name, name.Namespace );
if (null != ndAttr)
cols[i] = ndAttr;
i++;
}
}
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
}
}