/// <summary>
/// Serialize literal QName as three separate attributes.
/// </summary>
protected override QilNode VisitLiteralQName(QilName value)
{
this.writer.WriteAttributeString("name", value.ToString());
return(value);
}
private QilNode AddDebugVariable(QilName name, QilNode value, QilNode content)
{
QilIterator var = _f.Let(value);
var.DebugName = name.ToString();
return _f.Loop(var, content);
}
private QilParameter CreateXslParam(QilName name, XmlQueryType xt)
{
QilParameter arg = _f.Parameter(xt);
arg.DebugName = name.ToString();
arg.Name = name;
return arg;
}
private void EndElement()
{
MethodInfo facMethod = null;
object[] facArgs;
QilList list;
QilNode nd;
ReaderAnnotation ann;
list = this.stk.Pop();
ann = (ReaderAnnotation)list.Annotation;
// Special case certain element names
string s = r.LocalName;
switch (r.LocalName)
{
case "QilExpression": {
Debug.Assert(list.Count > 0, "QilExpression node requires a Root expression");
QilExpression qil = f.QilExpression(list[list.Count - 1]);
// Be flexible on order and presence of QilExpression children
for (int i = 0; i < list.Count - 1; i++)
{
switch (list[i].NodeType)
{
case QilNodeType.True:
case QilNodeType.False:
qil.IsDebug = list[i].NodeType == QilNodeType.True;
break;
case QilNodeType.FunctionList:
qil.FunctionList = (QilList)list[i];
break;
case QilNodeType.GlobalVariableList:
qil.GlobalVariableList = (QilList)list[i];
break;
case QilNodeType.GlobalParameterList:
qil.GlobalParameterList = (QilList)list[i];
break;
}
}
nd = qil;
break;
}
case "ForwardDecls":
this.inFwdDecls = false;
return;
case "Parameter":
case "Let":
case "For":
case "Function": {
string id = ann.Id;
QilName name = ann.Name;
Debug.Assert(id != null, r.LocalName + " must have an id attribute");
Debug.Assert(!this.inFwdDecls || ann.XmlType != null, "Forward decl for " + r.LocalName + " '" + id + "' must have an xmlType attribute");
// Create node (may be discarded later if it was already declared in forward declarations section)
switch (r.LocalName)
{
case "Parameter":
Debug.Assert(list.Count <= (this.inFwdDecls ? 0 : 1), "Parameter '" + id + "' must have 0 or 1 arguments");
Debug.Assert(ann.XmlType != null, "Parameter '" + id + "' must have an xmlType attribute");
if (this.inFwdDecls || list.Count == 0)
{
nd = f.Parameter(null, name, ann.XmlType);
}
else
{
nd = f.Parameter(list[0], name, ann.XmlType);
}
break;
case "Let":
Debug.Assert(list.Count == (this.inFwdDecls ? 0 : 1), "Let '" + id + "' must have 0 or 1 arguments");
if (this.inFwdDecls)
{
nd = f.Let(f.Unknown(ann.XmlType));
}
else
{
nd = f.Let(list[0]);
}
break;
case "For":
Debug.Assert(list.Count == 1, "For '" + id + "' must have 1 argument");
nd = f.For(list[0]);
break;
default:
Debug.Assert(list.Count == (this.inFwdDecls ? 2 : 3), "Function '" + id + "' must have 2 or 3 arguments");
if (this.inFwdDecls)
{
nd = f.Function(list[0], list[1], ann.XmlType);
}
else
{
nd = f.Function(list[0], list[1], list[2], ann.XmlType != null ? ann.XmlType : list[1].XmlType);
}
break;
}
// Set DebugName
if (name != null)
{
((QilReference)nd).DebugName = name.ToString();
}
if (this.inFwdDecls)
{
Debug.Assert(!this.scope.ContainsKey(id), "Multiple nodes have id '" + id + "'");
this.fwdDecls[id] = nd;
this.scope[id] = nd;
}
else
{
if (this.fwdDecls.ContainsKey(id))
{
// Replace forward declaration
Debug.Assert(r.LocalName == Enum.GetName(typeof(QilNodeType), nd.NodeType), "Id '" + id + "' is not not bound to a " + r.LocalName + " forward decl");
nd = this.fwdDecls[id];
this.fwdDecls.Remove(id);
if (list.Count > 0)
{
nd[0] = list[0];
}
if (list.Count > 1)
{
nd[1] = list[1];
}
}
else
{
// Put reference in scope
Debug.Assert(!this.scope.ContainsKey(id), "Id '" + id + "' is already in scope");
this.scope[id] = nd;
}
}
nd.Annotation = ann;
break;
}
case "RefTo": {
// Lookup reference
string id = ann.Id;
Debug.Assert(id != null, r.LocalName + " must have an id attribute");
Debug.Assert(this.scope.ContainsKey(id), "Id '" + id + "' is not in scope");
this.stk.Peek().Add(this.scope[id]);
return;
}
case "Sequence":
nd = f.Sequence(list);
break;
case "FunctionList":
nd = f.FunctionList(list);
break;
case "GlobalVariableList":
nd = f.GlobalVariableList(list);
break;
case "GlobalParameterList":
nd = f.GlobalParameterList(list);
break;
case "ActualParameterList":
nd = f.ActualParameterList(list);
break;
case "FormalParameterList":
nd = f.FormalParameterList(list);
break;
case "SortKeyList":
nd = f.SortKeyList(list);
break;
case "BranchList":
nd = f.BranchList(list);
break;
case "XsltInvokeEarlyBound": {
Debug.Assert(ann.ClrNamespace != null, "XsltInvokeEarlyBound must have a clrNamespace attribute");
Debug.Assert(list.Count == 2, "XsltInvokeEarlyBound must have exactly 2 arguments");
Debug.Assert(list.XmlType != null, "XsltInvokeEarlyBound must have an xmlType attribute");
MethodInfo mi = null;
QilName name = (QilName)list[0];
foreach (Assembly asm in AppDomain.CurrentDomain.GetAssemblies())
{
Type t = asm.GetType(ann.ClrNamespace);
if (t != null)
{
mi = t.GetMethod(name.LocalName);
break;
}
}
Debug.Assert(mi != null, "Cannot find method " + ann.ClrNamespace + "." + name.ToString());
nd = f.XsltInvokeEarlyBound(name, f.LiteralObject(mi), list[1], ann.XmlType);
break;
}
default: {
// Find factory method which will be used to construct the Qil node
Debug.Assert(nameToFactoryMethod.ContainsKey(r.LocalName), "Method " + r.LocalName + " could not be found on QilFactory");
facMethod = nameToFactoryMethod[r.LocalName];
Debug.Assert(facMethod.GetParameters().Length == list.Count, "NodeType " + r.LocalName + " does not allow " + list.Count + " parameters");
// Create factory method arguments
facArgs = new object[list.Count];
for (int i = 0; i < facArgs.Length; i++)
{
facArgs[i] = list[i];
}
// Create node and set its properties
nd = (QilNode)facMethod.Invoke(f, facArgs);
break;
}
}
nd.SourceLine = list.SourceLine;
// Add node to its parent's list
this.stk.Peek().Add(nd);
}
