public override SingleWorkflowStep Undo()
{
var to = DoAllReplaces(To);
var destinationPath = _setupFile.GetKey("DestinationPath");
var destinationFile = Path.Combine(destinationPath, to);
if (_setupFile.Unattended)
{
return new DeleteTemplateStep
{
From = destinationFile,
Help = string.Format("Delete {0}", destinationFile)
};
}
var varName = Guid.NewGuid().ToString();
var toret = new AskWorkflowStep
{
Help = string.Format("Sould be {0} deleted?", destinationFile),
For = "YesNo",
ApplyOn = "${" + varName + "}"
};
var ifStep = new IfWorkflowStep
{
Value = "${" + varName + "}",
Is = "true"
};
toret.WorkflowSteps.Add(ifStep);
ifStep.WorkflowSteps.Add(new DeleteTemplateStep
{
From = destinationFile
});
return toret;
}
private static void DoStepAsk(AskWorkflowStep workflowStep, ref string template)
{
//Retrieve the setup config for wich the question is made
if (!string.IsNullOrEmpty(workflowStep.For) && _setupFile.SetupConfigs.ContainsKey(workflowStep.For))
{
HandleMultipleChoices(workflowStep, ref template);
}
else
{
HandleSpecificValueChoice(workflowStep, ref template);
}
}
private static int HandleMultipleAskChoices(AskWorkflowStep workflowStep, int selectedResult, int i)
{
var applyOn = GetEnv(workflowStep.ApplyOn);
if (applyOn != null)
{
if (!int.TryParse(applyOn, out selectedResult))
{
selectedResult = -1;
}
}
int maxTimes = MAX_RETRY_COUNT;
while (selectedResult == -1 && maxTimes >= 0)
{
Console.WriteLine("Select 0-{0}", (i - 1));
var result = Console.ReadLine();
if (!int.TryParse(result, out selectedResult))
{
maxTimes--;
Console.WriteLine("Invalid value, retry!");
selectedResult = -1;
}
}
if (maxTimes < 0 && selectedResult==-1)
{
throw new Exception("Maximum retry count reached.");
}
return selectedResult;
}
private static void HandleSpecificValueChoice(AskWorkflowStep workflowStep, ref string template)
{
Console.WriteLine(" Insert the value:");
if (!string.IsNullOrEmpty(workflowStep.Value))
{
var possibleDefault = _setupFile.GetKey(workflowStep.Value);
if (!string.IsNullOrEmpty(possibleDefault) && possibleDefault != workflowStep.Value)
{
workflowStep.Value = possibleDefault;
}
workflowStep.Value = DoAllReplaces(workflowStep.Value);
Console.WriteLine(" Default: {0}", workflowStep.Value);
}
string lineRead = GetEnv(workflowStep.ApplyOn);
if (DEFAULT_VALUE_APPLIED == lineRead)
{
lineRead = workflowStep.Value;
}
int maxTimes = MAX_RETRY_COUNT;
while (string.IsNullOrEmpty(lineRead) && maxTimes>=0)
{
lineRead = Console.ReadLine();
if (string.IsNullOrEmpty(lineRead))
{
if (!string.IsNullOrEmpty(workflowStep.Value))
{
Console.WriteLine("Applying Default");
lineRead = workflowStep.Value;
}
else
{
maxTimes--;
Console.WriteLine("Invalid value, retry!");
}
}
}
if (maxTimes < 0)
{
throw new Exception("Maximum retry count reached.");
}
if (lineRead == null)
{
throw new Exception("No value selected.");
}
var selectedValue = lineRead.Trim();
template = template.Replace(workflowStep.ApplyOn, selectedValue);
_setupFile.SetKey(workflowStep.ApplyOn, selectedValue);
string orkey = workflowStep.ApplyOn;
if (orkey.StartsWith("${"))
{
orkey = orkey.Substring(2).TrimEnd('}');
_setupFile.SetKey(orkey + IfWorkflowStep.TEMPLATE_VALUE, selectedValue);
}
}
private static void HandleMultipleChoices(AskWorkflowStep workflowStep, ref string template)
{
var configFor = _setupFile.SetupConfigs[workflowStep.For];
int i;
for (i = 0; i < configFor.SetupChoices.Count; i++)
{
var setupChoice = configFor.SetupChoices[i];
Console.Write("-{0}: {1}", i, setupChoice.Value);
if (!string.IsNullOrEmpty(setupChoice.Help))
Console.WriteLine(" ({0})", setupChoice.Help);
else
Console.WriteLine("");
}
int selectedResult = -1;
if (configFor.SetupChoices.Count > 1)
{
selectedResult = HandleMultipleAskChoices(workflowStep, selectedResult, i);
}
else
{
if (!int.TryParse(configFor.Default, out selectedResult))
{
selectedResult = 0;
}
Console.WriteLine("Selecting default!");
}
var selectedConfig = configFor.SetupChoices[selectedResult];
string orkey = workflowStep.ApplyOn;
if (orkey.StartsWith("${"))
{
orkey = orkey.Substring(2).TrimEnd('}');
}
if (selectedConfig.IsNull)
{
template = template.Replace("${" + workflowStep.ApplyOn + "}", string.Empty);
_setupFile.SetKey(workflowStep.ApplyOn, string.Empty);
_setupFile.SetKey(orkey + IfWorkflowStep.TEMPLATE_VALUE, string.Empty);
}
else if (configFor.ConfigType == ConfigTypes.Value)
{
template = template.Replace("${" + workflowStep.ApplyOn + "}", selectedConfig.Value);
_setupFile.SetKey(workflowStep.ApplyOn, selectedConfig.Value);
_setupFile.SetKey(orkey + IfWorkflowStep.TEMPLATE_VALUE, selectedConfig.Value);
}
else
{
var newTemplate = _setupFile.SetupTemplates[selectedConfig.Value].Content;
foreach (var step in selectedConfig.WorkflowSteps)
{
_setupFile.AddUndo(step.Undo());
step.Execute(ref newTemplate);
}
newTemplate = DoAllReplaces(newTemplate);
template = template.Replace("${" + workflowStep.ApplyOn + "}", newTemplate);
_setupFile.SetKey(workflowStep.ApplyOn, newTemplate);
_setupFile.SetKey(orkey + IfWorkflowStep.TEMPLATE_VALUE, selectedConfig.Value);
}
}
public static SingleWorkflowStep CreateStep(XmlNode node)
{
SingleWorkflowStep toret = null;
string workflowType = node.Name.ToUpperInvariant();
switch (workflowType)
{
case ("IF"):
{
toret = new IfWorkflowStep
{
Help = node.GetAttribute("help"),
Is = node.GetAttribute("is"),
Value = node.GetAttribute("value"),
MustBeTrue = node.IsAttributeSet("not") == false
};
}
break;
case ("DOWHILE"):
{
toret = new DoWhileStep
{
Help = node.GetAttribute("help"),
Is = node.GetAttribute("is"),
Value = node.GetAttribute("value"),
MustBeTrue = node.IsAttributeSet("not") == false
};
}
break;
case ("DELETE"):
{
toret = new DeleteWorkflowStep
{
Help = node.GetAttribute("help"),
From = node.GetAttribute("from")
};
}
break;
case ("DELETETEMPLATE"):
{
toret = new DeleteTemplateStep
{
From = node.GetAttribute("from")
};
}
break;
case ("ASK"):
{
toret = new AskWorkflowStep
{
Help = node.GetAttribute("help"),
For = node.GetAttribute("for"),
ApplyOn = node.GetAttribute("applyOn"),
Value = node.GetAttribute("value")
};
}
break;
case ("COPY"):
{
toret = new CopyWorkflowStep
{
Help = node.GetAttribute("help"),
From = node.GetAttribute("from"),
To = node.GetAttribute("to"),
What = node.GetAttribute("what")
};
}
break;
case ("TELL"):
{
toret = new TellWorkflowStep
{
Help = node.GetAttribute("help"),
ApplyOn = node.GetAttribute("applyOn"),
Value = node.GetAttribute("value")
};
}
break;
case ("WRITETEMPLATE"):
{
toret = new WriteTemplateStep
{
Help = node.GetAttribute("help"),
To = node.GetAttribute("to"),
Template = node.GetAttribute("template")
};
}
break;
case ("PARAM"):
{
toret = new ParamStep
{
Name = node.GetAttribute("name"),
Value = node.GetAttribute("value")
};
}
break;
case ("SWITCH"):
{
toret = new SwitchWorkflowStep
{
Value = node.GetAttribute("value")
};
}
break;
case ("CASE"):
{
toret = new CaseWorkflowStep
{
Value = node.GetAttribute("value")
};
}
break;
case ("INCLUDE"):
{
toret = new IncludeStep();
}
break;
default:
foreach (var factory in _factories)
{
toret = factory.Value.Create(workflowType, node);
if (toret != null) break;
}
break;
}
return toret;
}
