| public SetValue ( IInternalContextAdapter context, Object value ) : bool | ||
| context | IInternalContextAdapter | context object containing this reference |
| value | Object | Object to set as value |
| Результат | bool | |
/// <summary> puts the value of the RHS into the context under the key of the LHS
/// </summary>
public override bool Render(IInternalContextAdapter context, TextWriter writer)
{
/*
* get the RHS node, and it's value
*/
Object value = right.Value(context);
/*
* it's an error if we don't have a value of some sort
*/
if (value == null)
{
/*
* first, are we supposed to say anything anyway?
*/
if (blather)
{
EventCartridge eventCartridge = context.EventCartridge;
bool doIt = true;
/*
* if we have an EventCartridge...
*/
if (eventCartridge != null)
{
doIt = eventCartridge.ShouldLogOnNullSet(left.Literal, right.Literal);
}
if (doIt)
{
runtimeServices.Error(
string.Format("RHS of #set statement is null. Context will not be modified. {0} [line {1}, column {2}]",
context.CurrentTemplateName, Line, Column));
}
}
return(false);
}
/*
* if the LHS is simple, just punch the value into the context
* otherwise, use the setValue() method do to it.
* Maybe we should always use setValue()
*/
if (left.ChildrenCount == 0)
{
context.Put(leftReference, value);
}
else
{
left.SetValue(context, value);
}
return(true);
}
/// <summary> puts the value of the RHS into the context under the key of the LHS</summary>
/// <param name="context">
/// </param>
/// <param name="writer">
/// </param>
/// <returns> True if rendering was sucessful.
/// </returns>
/// <throws> IOException </throws>
/// <throws> MethodInvocationException </throws>
public override bool Render(IInternalContextAdapter context, System.IO.TextWriter writer)
{
/*
* Get the RHS node, and its value
*/
object value = right.Value(context);
/*
* it's an Error if we don't have a value of some sort AND
* it is not allowed by configuration
*/
if (!allowNull)
{
if (value == null)
{
/*
* first, are we supposed to say anything anyway?
*/
if (logOnNull)
{
bool doit = EventHandlerUtil.ShouldLogOnNullSet(rsvc, context, left.Literal, right.Literal);
if (doit && rsvc.Log.DebugEnabled)
{
rsvc.Log.Debug("RHS of #set statement is null. Context will not be modified. " + Log.FormatFileString(this));
}
}
string rightReference = null;
if (right is ASTExpression)
{
rightReference = ((ASTExpression)right).LastToken.Image;
}
EventHandlerUtil.InvalidSetMethod(rsvc, context, leftReference, rightReference, uberInfo);
return(false);
}
}
if (value == null && !strictRef)
{
string rightReference = null;
if (right is ASTExpression)
{
rightReference = ((ASTExpression)right).LastToken.Image;
}
EventHandlerUtil.InvalidSetMethod(rsvc, context, leftReference, rightReference, uberInfo);
/*
* if RHS is null, remove simple LHS from context
* or call setValue() with a null value for complex LHS
*/
if (left.GetNumChildren() == 0)
{
context.Remove(leftReference);
}
else
{
left.SetValue(context, (object)null);
}
return(false);
}
else
{
/*
* if the LHS is simple, just punch the value into the context
* otherwise, use the setValue() method do to it.
* Maybe we should always use setValue()
*/
if (left.GetNumChildren() == 0)
{
context.Put(leftReference, value);
}
else
{
left.SetValue(context, value);
}
}
return(true);
}
