internal void Set(ref NodeSequenceItem item, int position, int size)
{
this.node = item.node;
this.position = position;
this.size = size;
this.flags = item.flags;
}
public int Compare(object obj1, object obj2)
{
NodeSequenceItem item1 = (NodeSequenceItem)obj1;
NodeSequenceItem item2 = (NodeSequenceItem)obj2;
XmlNodeOrder order = item1.Node.Node.ComparePosition(item1.Node.Position, item2.Node.Position);
int ret;
switch (order)
{
case XmlNodeOrder.Before:
ret = -1;
break;
case XmlNodeOrder.Same:
ret = 0;
break;
case XmlNodeOrder.After:
ret = 1;
break;
case XmlNodeOrder.Unknown:
default:
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XPathException(SR.GetString(SR.QueryNotSortable)), TraceEventType.Critical);
}
return(ret);
}
internal void AddCopy(ref NodeSequenceItem item)
{
if (this.count == this.items.Length)
{
this.Grow(this.items.Length * 2);
}
this.items[this.count++] = item;
}
internal void AddCopy(ref NodeSequenceItem item)
{
if (this.count == this.items.Length)
{
this.Grow(this.items.Length * 2);
}
this.items[this.count++] = item;
}
internal void AddCopy(ref NodeSequenceItem item, int size)
{
if (this.count == this.items.Length)
{
this.Grow(this.items.Length * 2);
}
this.items[this.count] = item;
this.items[this.count++].Size = size;
}
internal void Add(ref NodeSequenceItem item)
{
if (this.count == this.items.Length)
{
this.Grow(this.items.Length * 2);
}
this.position++;
this.items[this.count++].Set(ref item, this.position, this.sizePosition);
}
private void Grow(int newSize)
{
NodeSequenceItem[] destinationArray = new NodeSequenceItem[newSize];
if (this.items != null)
{
Array.Copy(this.items, destinationArray, this.items.Length);
}
this.items = destinationArray;
}
internal void AddCopy(ref NodeSequenceItem item, int size)
{
if (this.count == this.items.Length)
{
this.Grow(this.items.Length * 2);
}
this.items[this.count] = item;
this.items[this.count++].Size = size;
}
internal void Add(ref NodeSequenceItem item)
{
if (this.sequence == null)
{
this.sequence = this.context.CreateSequence();
this.sequence.StartNodeset();
}
this.sequence.Add(ref item);
}
internal void Add(ref NodeSequenceItem item)
{
if (this.count == this.items.Length)
{
this.Grow(this.items.Length * 2);
}
this.position++;
this.items[this.count++].Set(ref item, this.position, this.sizePosition);
}
void Grow(int newSize)
{
NodeSequenceItem[] newItems = new NodeSequenceItem[newSize];
if (this.items != null)
{
Array.Copy(this.items, newItems, this.items.Length);
}
this.items = newItems;
}
internal bool Compare(ref NodeSequenceItem item, RelationOperator op)
{
for (int i = 0; i < this.count; ++i)
{
if (this.items[i].Compare(ref item, op))
{
return(true);
}
}
return(false);
}
public void Trim()
{
if (this.count == 0)
{
this.items = null;
}
else if (this.count < this.items.Length)
{
NodeSequenceItem[] newItems = new NodeSequenceItem[this.count];
Array.Copy(this.items, newItems, this.count);
this.items = newItems;
}
}
internal static void NumberSum(ProcessingContext context)
{
StackFrame topArg = context.TopArg;
while (topArg.basePtr <= topArg.endPtr)
{
NodeSequence sequence = context.PeekSequence(topArg.basePtr);
double val = 0.0;
for (int i = 0; i < sequence.Count; i++)
{
NodeSequenceItem item = sequence[i];
val += QueryValueModel.Double(item.StringValue());
}
context.SetValue(context, topArg.basePtr, val);
topArg.basePtr++;
}
}
internal override Opcode Eval(ProcessingContext context)
{
StackFrame topSequenceArg = context.TopSequenceArg;
Value[] sequences = context.Sequences;
context.PushFrame();
for (int i = topSequenceArg.basePtr; i <= topSequenceArg.endPtr; i++)
{
NodeSequence sequence = sequences[i].Sequence;
for (int j = 0; j < sequence.Count; j++)
{
NodeSequenceItem item = sequence[j];
context.Push(item.Position == this.ordinal);
}
}
return(base.next);
}
internal override Opcode Eval(ProcessingContext context)
{
Value[] values = context.Values;
StackFrame topArg = context.TopArg;
for (int i = topArg.basePtr; i <= topArg.endPtr; i++)
{
NodeSequence sequence = values[i].Sequence;
NodeSequence val = context.CreateSequence();
for (int j = 0; j < sequence.Count; j++)
{
NodeSequenceItem item = sequence[j];
val.AddCopy(ref item);
}
val.Merge();
context.SetValue(context, i, val);
}
return(base.next);
}
internal override Opcode Eval(ProcessingContext context)
{
StackFrame topSequenceArg = context.TopSequenceArg;
StackFrame topArg = context.TopArg;
Value[] sequences = context.Sequences;
int basePtr = topSequenceArg.basePtr;
int index = topArg.basePtr;
while (basePtr <= topSequenceArg.endPtr)
{
NodeSequence sequence = sequences[basePtr].Sequence;
for (int i = 0; i < sequence.Count; i++)
{
NodeSequenceItem item = sequence[i];
context.Values[index].Boolean = item.Position == context.Values[index].Double;
index++;
}
basePtr++;
}
return(base.next);
}
internal override void InvokeInternal(ProcessingContext context, int argCount)
{
StackFrame topArg = context.TopArg;
while (topArg.basePtr <= topArg.endPtr)
{
string val = string.Empty;
NodeSequence sequence = context.PeekSequence(topArg.basePtr);
if (sequence.Count > 0)
{
NodeSequenceItem item = sequence[0];
SeekableXPathNavigator node = item.Node.Node;
long currentPosition = node.CurrentPosition;
NodeSequenceItem item2 = sequence[0];
node.CurrentPosition = item2.Node.Position;
val = ExtractFromNavigator(node);
node.CurrentPosition = currentPosition;
}
context.SetValue(context, topArg.basePtr, val);
topArg.basePtr++;
}
}
internal override Opcode Eval(ProcessingContext context)
{
Value[] values = context.Values;
StackFrame arg = context.TopArg;
for (int i = arg.basePtr; i <= arg.endPtr; ++i)
{
Fx.Assert(ValueDataType.Sequence == values[i].Type, "");
NodeSequence seq = values[i].Sequence;
NodeSequence newSeq = context.CreateSequence();
for (int j = 0; j < seq.Count; ++j)
{
NodeSequenceItem item = seq[j];
newSeq.AddCopy(ref item);
}
newSeq.Merge();
context.SetValue(context, i, newSeq);
}
return(this.next);
}
public override bool MoveNext()
{
if (this.data.seq == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(System.ServiceModel.SR.GetString("QueryIteratorOutOfScope")));
}
if (this.index < this.data.seq.Count)
{
if (this.nav == null)
{
NodeSequenceItem item = this.data.seq[this.index];
this.nav = (SeekableXPathNavigator)item.GetNavigator().Clone();
}
else
{
this.nav.CurrentPosition = this.data.seq[this.index].GetNavigatorPosition();
}
this.index++;
return(true);
}
this.index++;
this.nav = null;
return(false);
}
private void Grow(int newSize)
{
NodeSequenceItem[] destinationArray = new NodeSequenceItem[newSize];
if (this.items != null)
{
Array.Copy(this.items, destinationArray, this.items.Length);
}
this.items = destinationArray;
}
internal bool Compare(ref NodeSequenceItem item, RelationOperator op)
{
for (int i = 0; i < this.count; i++)
{
if (this.items[i].Compare(ref item, op))
{
return true;
}
}
return false;
}
internal bool Compare(ref NodeSequenceItem item, RelationOperator op)
{
return(QueryValueModel.Compare(this.StringValue(), item.StringValue(), op));
}
internal void Set(ref NodeSequenceItem item, int position, int size)
{
this.node = item.node;
this.position = position;
this.size = size;
this.flags = item.flags;
}
internal bool Compare(ref NodeSequenceItem item, RelationOperator op)
{
return QueryValueModel.Compare(this.StringValue(), item.StringValue(), op);
}