|
private Evaluate ( |
||
| processor | ||
| frame | ||
| return | string | |
// For perf reason we precalculating AVTs at compile time.
// If we can do this we set original AVT to null
internal static string PrecalculateAvt(ref Avt avt) {
string result = null;
if(avt != null && avt.IsConstant) {
result = avt.Evaluate(null, null);
avt = null;
}
return result;
}
internal override void Execute(Processor processor, ActionFrame frame)
{
Debug.Assert(processor != null && frame != null);
switch (frame.State)
{
case Initialized:
if (_qname != null)
{
frame.CalulatedName = _qname;
}
else
{
frame.CalulatedName = CreateElementQName(
_nameAvt == null ? _name : _nameAvt.Evaluate(processor, frame),
_nsAvt == null ? _nsUri : _nsAvt.Evaluate(processor, frame),
_manager
);
}
goto case NameDone;
case NameDone:
{
PrefixQName qname = frame.CalulatedName;
if (processor.BeginEvent(XPathNodeType.Element, qname.Prefix, qname.Name, qname.Namespace, _empty) == false)
{
// Come back later
frame.State = NameDone;
break;
}
if (!_empty)
{
processor.PushActionFrame(frame);
frame.State = ProcessingChildren;
break; // Allow children to run
}
else
{
goto case ProcessingChildren;
}
}
case ProcessingChildren:
if (processor.EndEvent(XPathNodeType.Element) == false)
{
frame.State = ProcessingChildren;
break;
}
frame.Finished();
break;
default:
Debug.Fail("Invalid ElementAction execution state");
break;
}
}
// For perf reason we precalculating AVTs at compile time.
// If we can do this we set original AVT to null
internal static string PrecalculateAvt(ref Avt avt)
{
string result = null;
if (avt != null && avt.IsConstant)
{
result = avt.Evaluate(null, null);
avt = null;
}
return(result);
}
internal override void Compile(Compiler compiler)
{
CompileAttributes(compiler);
CheckRequiredAttribute(compiler, _nameAvt, "name");
if (_nameAvt.IsConstant)
{
_name = _nameAvt.Evaluate(null, null);
_nameAvt = null;
if (!IsProcessingInstructionName(_name))
{
// For Now: set to null to ignore action late;
_name = null;
}
}
if (compiler.Recurse())
{
CompileTemplate(compiler);
compiler.ToParent();
}
}
internal override void Execute(Processor processor, ActionFrame frame)
{
Debug.Assert(processor != null && frame != null);
Debug.Assert(frame.State == Initialized);
processor.AddSort(_sort != null ?
_sort :
new Sort(
_selectKey,
_langAvt == null ? _lang : ParseLang(_langAvt.Evaluate(processor, frame)),
_dataTypeAvt == null ? _dataType : ParseDataType(_dataTypeAvt.Evaluate(processor, frame), _manager),
_orderAvt == null ? _order : ParseOrder(_orderAvt.Evaluate(processor, frame)),
_caseOrderAvt == null ? _caseOrder : ParseCaseOrder(_caseOrderAvt.Evaluate(processor, frame))
)
);
frame.Finished();
}
internal override void Execute(Processor processor, ActionFrame frame)
{
Debug.Assert(processor != null && frame != null);
ArrayList list = processor.NumberList;
switch (frame.State)
{
case Initialized:
Debug.Assert(frame != null);
Debug.Assert(frame.NodeSet != null);
list.Clear();
if (_valueKey != Compiler.InvalidQueryKey)
{
list.Add(SimplifyValue(processor.Evaluate(frame, _valueKey)));
}
else if (_level == "any")
{
int number = numberAny(processor, frame);
if (number != 0)
{
list.Add(number);
}
}
else
{
bool multiple = (_level == "multiple");
XPathNavigator contextNode = frame.Node; // context of xsl:number element. We using this node in MatchCountKey()
XPathNavigator countNode = frame.Node.Clone(); // node we count for
if (countNode.NodeType == XPathNodeType.Attribute || countNode.NodeType == XPathNodeType.Namespace)
{
countNode.MoveToParent();
}
while (moveToCount(countNode, processor, contextNode))
{
list.Insert(0, numberCount(countNode, processor, contextNode));
if (!multiple || !countNode.MoveToParent())
{
break;
}
}
if (!checkFrom(processor, countNode))
{
list.Clear();
}
}
/*CalculatingFormat:*/
frame.StoredOutput = Format(list,
_formatAvt == null ? _formatTokens : ParseFormat(_formatAvt.Evaluate(processor, frame)),
_langAvt == null ? _lang : _langAvt.Evaluate(processor, frame),
_letterAvt == null ? _letter : ParseLetter(_letterAvt.Evaluate(processor, frame)),
_groupingSepAvt == null ? _groupingSep : _groupingSepAvt.Evaluate(processor, frame),
_groupingSizeAvt == null ? _groupingSize : _groupingSizeAvt.Evaluate(processor, frame)
);
goto case OutputNumber;
case OutputNumber:
Debug.Assert(frame.StoredOutput != null);
if (!processor.TextEvent(frame.StoredOutput))
{
frame.State = OutputNumber;
break;
}
frame.Finished();
break;
default:
Debug.Fail("Invalid Number Action execution state");
break;
}
}