/// <summary>
/// Add action to Catch block
/// </summary>
/// <param name="action">Action to add</param>
public void AddCatch(IScriptAction action)
{
if (Catch== null)
Catch = new Block();
Catch.Add(action);
}
/// Handle exception
protected object OnError(Exception ex, Block catchBlock)
{
VerboseMessage("Exception: {0}.", Utils.TransformStr(ex.Message, TransformRules.TrimInternal));
if (catchBlock == null)
Utils.Rethrow(ex);
Exception excSave = Context.CurrentException;
try
{
ScriptExceptionWithStackTrace cs = ex as ScriptExceptionWithStackTrace;
Context.CurrentException = (cs == null) ? ex : cs.InnerException;
if (catchBlock != null && catchBlock.Items.Count == 0)
VerboseMessage("Supressing exception");
else
{
return Context.Execute(catchBlock);
}
}
finally
{
Context.CurrentException = excSave;
if (ex is ScriptTerminateException)
Utils.Rethrow(ex);
}
return null;
}
/// <summary>
/// Add action to Try block
/// </summary>
/// <param name="action">Action to add</param>
public void AddTry(IScriptAction action)
{
if (Try == null)
Try = new Block();
Try.Add(action);
}
/// <summary>
/// Add action to Finally block
/// </summary>
/// <param name="action">Action to add</param>
public void AddFinally(IScriptAction action)
{
if (Finally== null)
Finally = new Block();
Finally.Add(action);
}
/// <summary>
/// Read child element of the current node
/// </summary>
/// <param name="context">XML context</param>
/// <param name="reader">XML reader</param>
/// <param name="setToProperty">Property to which the object must be assigned, or null for automatic resolution</param>
protected override void ReadChildElement(IXsContext context, System.Xml.XmlReader reader, System.Reflection.PropertyInfo setToProperty)
{
if (string.Compare(reader.LocalName, "else", StringComparison.OrdinalIgnoreCase) == 0)
{
if (Else!=null)
throw new ParsingException("Only one else block is allowed per if statement!");
// To allow special <if> <else /> </if> syntax
if (reader.IsEmptyElement)
{
Else = new Block();
reader.Skip();
return;
}
}
base.ReadChildElement(context, reader, setToProperty);
}
/// Add an action to Else block
public void AddElse(IScriptAction action)
{
if (Else == null)
Else = new Block();
Else.Add(action);
}