private SetVariable ( int index, object value ) : void | ||
index | int | |
value | object | |
return | void |
internal override void Execute(Processor processor, ActionFrame frame) { Debug.Assert(processor != null && frame != null && frame.State != ValueCalculated); object value = null; switch (frame.State) { case Initialized: if (IsGlobal) { if (frame.GetVariable(_varKey) != null) { // This var was calculated already frame.Finished(); break; } // Mark that the variable is being computed to check for circular references frame.SetVariable(_varKey, BeingComputedMark); } // If this is a parameter, check whether the caller has passed the value if (this.varType == VariableType.GlobalParameter) { value = processor.GetGlobalParameter(this.name); } else if (this.varType == VariableType.LocalParameter) { value = processor.GetParameter(this.name); } if (value != null) { goto case ValueCalculated; } // If value was not passed, check the 'select' attribute if (this.selectKey != Compiler.InvalidQueryKey) { value = processor.RunQuery(frame, this.selectKey); goto case ValueCalculated; } // If there is no 'select' attribute and the content is empty, use the empty string if (this.containedActions == null) { value = string.Empty; goto case ValueCalculated; } // RTF case NavigatorOutput output = new NavigatorOutput(this.baseUri); processor.PushOutput(output); processor.PushActionFrame(frame); frame.State = ProcessingChildren; break; case ProcessingChildren: RecordOutput recOutput = processor.PopOutput(); Debug.Assert(recOutput is NavigatorOutput); value = ((NavigatorOutput)recOutput).Navigator; goto case ValueCalculated; case ValueCalculated: Debug.Assert(value != null); frame.SetVariable(_varKey, value); frame.Finished(); break; default: Debug.Fail("Invalid execution state inside VariableAction.Execute"); break; } }
internal override void Execute(Processor processor, ActionFrame frame) { Debug.Assert(processor != null && frame != null && frame.State != ValueCalculated); object value = null; switch (frame.State) { case Initialized: if (IsGlobal) { if (frame.GetVariable(_varKey) != null) { // This var was calculated already frame.Finished(); break; } // Mark that the variable is being computed to check for circular references frame.SetVariable(_varKey, BeingComputedMark); } // If this is a parameter, check whether the caller has passed the value if (this.varType == VariableType.GlobalParameter) { value = processor.GetGlobalParameter(this.name); } else if (this.varType == VariableType.LocalParameter) { value = processor.GetParameter(this.name); } if (value != null) { goto case ValueCalculated; } // If value was not passed, check the 'select' attribute if (this.selectKey != Compiler.InvalidQueryKey) { value = processor.RunQuery(frame, this.selectKey); goto case ValueCalculated; } // If there is no 'select' attribute and the content is empty, use the empty string if (this.containedActions == null) { value = string.Empty; goto case ValueCalculated; } // RTF case NavigatorOutput output = new NavigatorOutput(this.baseUri); processor.PushOutput(output); processor.PushActionFrame(frame); frame.State = ProcessingChildren; break; case ProcessingChildren: IRecordOutput recOutput = processor.PopOutput(); Debug.Assert(recOutput is NavigatorOutput); value = ((NavigatorOutput)recOutput).Navigator; goto case ValueCalculated; case ValueCalculated: Debug.Assert(value != null); frame.SetVariable(_varKey, value); frame.Finished(); break; default: Debug.Fail("Invalid execution state inside VariableAction.Execute"); break; } }