internal override void Execute(Processor processor, ActionFrame frame)
{
Debug.Assert(processor != null && frame != null);
switch (frame.State)
{
case Initialized:
if (!fallback)
{
throw XsltException.UnexpectedKeyword(this.name, this.parent);
}
if (this.containedActions != null && this.containedActions.Count > 0)
{
processor.PushActionFrame(frame);
frame.State = ProcessingChildren;
break;
}
else
{
goto case ProcessingChildren;
}
case ProcessingChildren:
frame.Finished();
break;
default:
Debug.Fail("Invalid Container action execution state");
break;
}
}
private void CompileContent(Compiler compiler)
{
if (compiler.Recurse())
{
NavigatorInput input = compiler.Input;
this.text = String.Empty;
do
{
switch (input.NodeType)
{
case XPathNodeType.Text:
case XPathNodeType.Whitespace:
case XPathNodeType.SignificantWhitespace:
this.text += input.Value;
break;
case XPathNodeType.Comment:
case XPathNodeType.ProcessingInstruction:
break;
default:
throw XsltException.UnexpectedKeyword(compiler);
}
} while(compiler.Advance());
compiler.ToParent();
}
}
private void CompileConditions(Compiler compiler)
{
NavigatorInput input = compiler.Input;
bool when = false;
bool otherwise = false;
do
{
Debug.Trace(input);
switch (input.NodeType)
{
case XPathNodeType.Element:
compiler.PushNamespaceScope();
string nspace = input.NamespaceURI;
string name = input.LocalName;
if (Keywords.Equals(nspace, input.Atoms.XsltNamespace))
{
IfAction action = null;
if (Keywords.Equals(name, input.Atoms.When) && !otherwise)
{
action = compiler.CreateIfAction(IfAction.ConditionType.ConditionWhen);
when = true;
}
else if (Keywords.Equals(name, input.Atoms.Otherwise) && !otherwise)
{
action = compiler.CreateIfAction(IfAction.ConditionType.ConditionOtherwise);
otherwise = true;
}
else
{
throw XsltException.UnexpectedKeyword(compiler);
}
AddAction(action);
}
else
{
throw XsltException.UnexpectedKeyword(compiler);
}
compiler.PopScope();
break;
case XPathNodeType.Comment:
case XPathNodeType.ProcessingInstruction:
case XPathNodeType.Whitespace:
case XPathNodeType.SignificantWhitespace:
break;
default:
throw new XsltException(Res.Xslt_InvalidContents, Keywords.s_Choose);
}
}while (compiler.Advance());
if (!when)
{
throw new XsltException(Res.Xslt_NoWhen);
}
}
private void CompileContent(Compiler compiler)
{
NavigatorInput input = compiler.Input;
if (compiler.Recurse())
{
do
{
Debug.Trace(input);
switch (input.NodeType)
{
case XPathNodeType.Element:
compiler.PushNamespaceScope();
string nspace = input.NamespaceURI;
string name = input.LocalName;
if (Keywords.Equals(nspace, input.Atoms.XsltNamespace))
{
if (Keywords.Equals(name, input.Atoms.Sort))
{
this.sort = true;
AddAction(compiler.CreateSortAction());
}
else if (Keywords.Equals(name, input.Atoms.WithParam))
{
WithParamAction par = compiler.CreateWithParamAction();
CheckDuplicateParams(par.Name);
AddAction(par);
}
else
{
throw XsltException.UnexpectedKeyword(compiler);
}
}
else
{
throw XsltException.UnexpectedKeyword(compiler);
}
compiler.PopScope();
break;
case XPathNodeType.Comment:
case XPathNodeType.ProcessingInstruction:
case XPathNodeType.Whitespace:
case XPathNodeType.SignificantWhitespace:
break;
default:
throw new XsltException(Res.Xslt_InvalidContents, Keywords.s_ApplyTemplates);
}
}while (compiler.Advance());
compiler.ToParent();
}
}
private void CompileContent(Compiler compiler)
{
NavigatorInput input = compiler.Input;
if (compiler.Recurse())
{
do
{
Debug.Trace(input);
switch (input.NodeType)
{
case XPathNodeType.Element:
compiler.PushNamespaceScope();
string nspace = input.NamespaceURI;
string name = input.LocalName;
if (Keywords.Equals(nspace, input.Atoms.XsltNamespace) && Keywords.Equals(name, input.Atoms.Attribute))
{
// found attribute so add it
AddAction(compiler.CreateAttributeAction());
}
else
{
throw XsltException.UnexpectedKeyword(compiler);
}
compiler.PopScope();
break;
case XPathNodeType.Comment:
case XPathNodeType.ProcessingInstruction:
case XPathNodeType.Whitespace:
case XPathNodeType.SignificantWhitespace:
break;
default:
throw new XsltException(Res.Xslt_InvalidContents, Keywords.s_AttributeSet);
}
}while(compiler.Advance());
compiler.ToParent();
}
}
void CompileInstruction(Compiler compiler)
{
NavigatorInput input = compiler.Input;
CompiledAction action = null;
Debug.Assert(Keywords.Equals(input.NamespaceURI, input.Atoms.XsltNamespace));
string name = input.LocalName;
if (Keywords.Equals(name, input.Atoms.ApplyImports))
{
action = compiler.CreateApplyImportsAction();
}
else if (Keywords.Equals(name, input.Atoms.ApplyTemplates))
{
action = compiler.CreateApplyTemplatesAction();
}
else if (Keywords.Equals(name, input.Atoms.Attribute))
{
action = compiler.CreateAttributeAction();
}
else if (Keywords.Equals(name, input.Atoms.CallTemplate))
{
action = compiler.CreateCallTemplateAction();
}
else if (Keywords.Equals(name, input.Atoms.Choose))
{
action = compiler.CreateChooseAction();
}
else if (Keywords.Equals(name, input.Atoms.Comment))
{
action = compiler.CreateCommentAction();
}
else if (Keywords.Equals(name, input.Atoms.Copy))
{
action = compiler.CreateCopyAction();
}
else if (Keywords.Equals(name, input.Atoms.CopyOf))
{
action = compiler.CreateCopyOfAction();
}
else if (Keywords.Equals(name, input.Atoms.Element))
{
action = compiler.CreateElementAction();
}
else if (Keywords.Equals(name, input.Atoms.Fallback))
{
return;
}
else if (Keywords.Equals(name, input.Atoms.ForEach))
{
action = compiler.CreateForEachAction();
}
else if (Keywords.Equals(name, input.Atoms.If))
{
action = compiler.CreateIfAction(IfAction.ConditionType.ConditionIf);
}
else if (Keywords.Equals(name, input.Atoms.Message))
{
action = compiler.CreateMessageAction();
}
else if (Keywords.Equals(name, input.Atoms.Number))
{
action = compiler.CreateNumberAction();
}
else if (Keywords.Equals(name, input.Atoms.ProcessingInstruction))
{
action = compiler.CreateProcessingInstructionAction();
}
else if (Keywords.Equals(name, input.Atoms.Text))
{
action = compiler.CreateTextAction();
}
else if (Keywords.Equals(name, input.Atoms.ValueOf))
{
action = compiler.CreateValueOfAction();
}
else if (Keywords.Equals(name, input.Atoms.Variable))
{
action = compiler.CreateVariableAction(VariableType.LocalVariable);
}
else
{
if (compiler.ForwardCompatibility)
{
action = compiler.CreateNewInstructionAction();
}
else
{
throw XsltException.UnexpectedKeyword(compiler);
}
}
Debug.Assert(action != null);
AddAction(action);
}
protected void CompileTopLevelElements(Compiler compiler)
{
// Navigator positioned at parent root, need to move to child and then back
if (compiler.Recurse() == false)
{
Debug.WriteLine("Nothing to compile, exiting");
return;
}
NavigatorInput input = compiler.Input;
bool notFirstElement = false;
do
{
Debug.Trace(input);
switch (input.NodeType)
{
case XPathNodeType.Element:
string name = input.LocalName;
string nspace = input.NamespaceURI;
if (Keywords.Equals(nspace, input.Atoms.XsltNamespace))
{
if (Keywords.Equals(name, input.Atoms.Import))
{
if (notFirstElement)
{
throw new XsltException(Res.Xslt_NotFirstImport);
}
// We should compile imports in reverse order after all toplevel elements.
// remember it now and return to it in CompileImpoorts();
compiler.CompiledStylesheet.Imports.Add(compiler.GetSingleAttribute(compiler.Input.Atoms.Href));
}
else if (Keywords.Equals(name, input.Atoms.Include))
{
notFirstElement = true;
CompileInclude(compiler);
}
else
{
notFirstElement = true;
compiler.PushNamespaceScope();
if (Keywords.Equals(name, input.Atoms.StripSpace))
{
CompileSpace(compiler, false);
}
else if (Keywords.Equals(name, input.Atoms.PreserveSpace))
{
CompileSpace(compiler, true);
}
else if (Keywords.Equals(name, input.Atoms.Output))
{
CompileOutput(compiler);
}
else if (Keywords.Equals(name, input.Atoms.Key))
{
CompileKey(compiler);
}
else if (Keywords.Equals(name, input.Atoms.DecimalFormat))
{
CompileDecimalFormat(compiler);
}
else if (Keywords.Equals(name, input.Atoms.NamespaceAlias))
{
CompileNamespaceAlias(compiler);
}
else if (Keywords.Equals(name, input.Atoms.AttributeSet))
{
compiler.AddAttributeSet(compiler.CreateAttributeSetAction());
}
else if (Keywords.Equals(name, input.Atoms.Variable))
{
VariableAction action = compiler.CreateVariableAction(VariableType.GlobalVariable);
if (action != null)
{
AddAction(action);
}
}
else if (Keywords.Equals(name, input.Atoms.Param))
{
VariableAction action = compiler.CreateVariableAction(VariableType.GlobalParameter);
if (action != null)
{
AddAction(action);
}
}
else if (Keywords.Equals(name, input.Atoms.Template))
{
compiler.AddTemplate(compiler.CreateTemplateAction());
}
else
{
if (!compiler.ForwardCompatibility)
{
throw XsltException.UnexpectedKeyword(compiler);
}
}
compiler.PopScope();
}
}
else if (nspace == input.Atoms.MsXsltNamespace && name == input.Atoms.Script)
{
AddScript(compiler);
}
else
{
if (Keywords.Equals(nspace, input.Atoms.Empty))
{
throw new XsltException(Res.Xslt_NullNsAtTopLevel, input.Name);
}
// Ignoring non-recognized namespace per XSLT spec 2.2
}
break;
case XPathNodeType.ProcessingInstruction:
case XPathNodeType.Comment:
case XPathNodeType.Whitespace:
case XPathNodeType.SignificantWhitespace:
break;
default:
throw new XsltException(Res.Xslt_InvalidContents, "xsl:stylesheet");
}
}while (compiler.Advance());
compiler.ToParent();
}