public EvaluatorResponse Evaluate(Node node, EvaluatorOption options)
{
if (node.nodeType != enumNodeType.COMMENT)
{
return(null);
}
/// NOTO: There are two place for evaluating comment command.
if (Commands.CommandManager.IsCommand(node as Comment))
{
var response = new EvaluatorResponse();
List <IRenderTask> result = new List <IRenderTask>();
Guid OwnerObjectId = options.OwnerObjectId;
var command = Commands.CommandParser.ParseCommand(node as Comment);
if (command.Name.ToLower() == "layout")
{
if ((options.IgnoreEvaluators & EnumEvaluator.LayoutCommand) == EnumEvaluator.LayoutCommand)
{
return(null);
}
var task = new CommandRenderTask(node as Comment, options);
task.ClearBefore = true;
result.Add(task);
response.AppendTask = result;
}
else
{
var task = new CommandRenderTask(node as Comment, options);
result.Add(task);
response.ContentTask = result;
}
response.StopNextEvaluator = true;
response.OmitTag = true;
if (options.RequireBindingInfo)
{
if (response.BindingTask == null)
{
response.BindingTask = new List <IRenderTask>();
}
var traceability = new ComponentTrace(command.Name, "command");
var bindingTask = new BindingRenderTask(traceability);
response.BindingTask.Add(bindingTask);
if (response.EndBindingTask == null)
{
response.EndBindingTask = new List <IRenderTask>();
}
response.EndBindingTask.Add(bindingTask.BindingEndRenderTask);
}
return(response);
}
return(null);
}
public EvaluatorResponse Evaluate(Node node, EvaluatorOption options)
{
if (options.IgnoreEvaluators.HasFlag(EnumEvaluator.For))
{
return(null);
}
if (node.nodeType != enumNodeType.ELEMENT)
{
return(null);
}
var element = node as Element;
string attName = null;
foreach (var item in element.attributes)
{
var lower = item.name.ToLower();
if (lower == "tal-for" || lower == "k-for")
{
attName = item.name;
break;
}
}
if (string.IsNullOrEmpty(attName))
{
return(null);
}
string repeatitems = element.getAttribute(attName).Trim();
if (string.IsNullOrEmpty(repeatitems))
{
return(null);
}
element.removeAttribute(attName);
bool repeatself = false;
if (element.hasAttribute("repeat-self"))
{
repeatself = true;
element.removeAttribute("repeat-self");
}
else if (element.hasAttribute("tal-repeat-self"))
{
repeatself = true;
element.removeAttribute("tal-repeat-self");
}
else if (element.hasAttribute("k-repeat-self"))
{
repeatself = true;
element.removeAttribute("k-repeat-self");
}
var para = PrasePara(repeatitems);
if (para == null)
{
return(null);
}
ForRenderTask task = new ForRenderTask(para.DataKey, para.LowBound, para.HighBound, repeatself, element, options);
var response = new EvaluatorResponse();
var result = new List <IRenderTask>();
result.Add(task);
response.ContentTask = result;
response.OmitTag = true;
response.StopNextEvaluator = true;
if (options.RequireBindingInfo)
{
if (response.BindingTask == null)
{
response.BindingTask = new List <IRenderTask>();
}
var traceability = new RepeatTrace();
var bindingTask = new BindingRenderTask(traceability);
response.BindingTask.Add(bindingTask);
if (response.EndBindingTask == null)
{
response.EndBindingTask = new List <IRenderTask>();
}
response.EndBindingTask.Add(bindingTask.BindingEndRenderTask);
}
return(response);
}