public static String RequireEnvironmentVariableSelection(EnvironmentVariableMemory Memory, String Name, bool Quiet, HashSet <String> Selections, String DefaultValue = "", Action <EnvironmentVariableReadOptions> OnOptionCustomization = null)
{
var InputDisplay = String.Join("|", Selections.Select(c => c.Equals(DefaultValue) ? "[" + c + "]" : c));
var Options = new EnvironmentVariableReadOptions
{
Quiet = Quiet,
Suggester = GetCaseInsensitiveSelectionSuggester(Selections),
Validator = v => new KeyValuePair <bool, String>(Selections.Contains(v), ""),
PostMapper = v => Selections.First(Selection => Selections.Comparer.Equals(v, Selection)),
DefaultValue = DefaultValue.ToString(),
InputDisplay = InputDisplay
};
if (OnOptionCustomization != null)
{
OnOptionCustomization(Options);
}
var s = RequireEnvironmentVariable(Memory, Name, Options);
if (Memory.VariableSelections.ContainsKey(Name))
{
Memory.VariableSelections[Name] = Selections.ToList();
}
else
{
Memory.VariableSelections.Add(Name, Selections.ToList());
}
return(s);
}
public static List <String> RequireEnvironmentVariableMultipleSelection(EnvironmentVariableMemory Memory, String Name, bool Quiet, HashSet <String> Selections, HashSet <String> DefaultSelections = null, Func <List <String>, KeyValuePair <bool, String> > Validator = null, Action <EnvironmentVariableReadOptions> OnOptionCustomization = null)
{
var InputDisplay = String.Join(" ", Selections.Select(v => (DefaultSelections != null) && DefaultSelections.Contains(v) ? "[" + v + "]" : v));
var Options = new EnvironmentVariableReadOptions
{
Quiet = Quiet,
Suggester = GetCaseInsensitiveMultipleSelectionSuggester(Selections),
Validator = v =>
{
var Parts = v.Split(' ').Where(Part => Part != "").ToList();
var UnknownSelections = Parts.Where(Part => !Selections.Contains(Part)).ToList();
if (UnknownSelections.Count > 0)
{
return(new KeyValuePair <bool, String>(false, $"Unknown selection: {String.Join(" ", UnknownSelections)}."));
}
var DuplicateSelections = Parts.GroupBy(Part => Part).Where(g => g.Count() > 1).Select(g => g.Key).ToList();
if (DuplicateSelections.Count > 0)
{
return(new KeyValuePair <bool, String>(false, $"Duplicate selection: {String.Join(" ", DuplicateSelections)}."));
}
var Selected = new HashSet <String>(Parts, Selections.Comparer);
if (Validator != null)
{
return(Validator(Selections.Where(Selection => Selected.Contains(Selection)).ToList()));
}
return(new KeyValuePair <bool, String>(true, ""));
},
PostMapper = v =>
{
var Selected = new HashSet <String>(v.Split(' ').Where(Part => Part != ""), Selections.Comparer);
var Result = Selections.Where(Selection => Selected.Contains(Selection)).ToList();
return(String.Join(" ", Result));
},
DefaultValue = DefaultSelections != null?String.Join(" ", Selections.Intersect(DefaultSelections)) : "",
InputDisplay = InputDisplay
};
if (OnOptionCustomization != null)
{
OnOptionCustomization(Options);
}
var s = RequireEnvironmentVariable(Memory, Name, Options);
if (Memory.VariableMultipleSelections.ContainsKey(Name))
{
Memory.VariableMultipleSelections[Name] = Selections.ToList();
}
else
{
Memory.VariableMultipleSelections.Add(Name, Selections.ToList());
}
return(s.Split(' ').Where(Part => Part != "").ToList());
}
public static bool RequireEnvironmentVariableBoolean(EnvironmentVariableMemory Memory, String Name, bool Quiet, bool DefaultValue = false, Action <EnvironmentVariableReadOptions> OnOptionCustomization = null)
{
var Selections = new List <bool> {
false, true
};
var InputDisplay = String.Join("|", Selections.Select(c => c.Equals(DefaultValue) ? "[" + c.ToString() + "]" : c.ToString()));
bool Output = false;
var Options = new EnvironmentVariableReadOptions
{
Quiet = Quiet,
Suggester = GetCaseInsensitiveSelectionSuggester(new List <String> {
"False", "True"
}),
Validator = v =>
{
if (String.Equals(v, "False", StringComparison.OrdinalIgnoreCase))
{
Output = false;
return(new KeyValuePair <bool, String>(true, ""));
}
else if (String.Equals(v, "True", StringComparison.OrdinalIgnoreCase))
{
Output = true;
return(new KeyValuePair <bool, String>(true, ""));
}
else
{
return(new KeyValuePair <bool, String>(false, ""));
}
},
PostMapper = v => Output.ToString(),
DefaultValue = DefaultValue.ToString(),
InputDisplay = InputDisplay
};
if (OnOptionCustomization != null)
{
OnOptionCustomization(Options);
}
var s = RequireEnvironmentVariable(Memory, Name, Options);
return(Output);
}
public static PathString RequireEnvironmentVariableDirectoryPath(EnvironmentVariableMemory Memory, String Name, bool Quiet, PathString DefaultValue = null, Func <PathString, KeyValuePair <bool, String> > Validator = null, Action <EnvironmentVariableReadOptions> OnOptionCustomization = null)
{
Func <String, KeyValuePair <bool, String> > ValidatorWrapper = p => Validator(p);
var Options = new EnvironmentVariableReadOptions
{
Quiet = Quiet,
Suggester = GetPathSuggester(false, true, DefaultValue),
Validator = Validator != null ? ValidatorWrapper : (p => Directory.Exists(p) ? new KeyValuePair <bool, String>(true, "") : new KeyValuePair <bool, String>(false, "Directory not found.")),
PostMapper = p => p.AsPath().FullPath,
DefaultValue = DefaultValue
};
if (OnOptionCustomization != null)
{
OnOptionCustomization(Options);
}
var s = RequireEnvironmentVariable(Memory, Name, Options);
return(s);
}
public static T RequireEnvironmentVariableEnum <T>(EnvironmentVariableMemory Memory, String Name, bool Quiet, HashSet <T> Selections, T DefaultValue = default(T), Action <EnvironmentVariableReadOptions> OnOptionCustomization = null) where T : struct
{
var InputDisplay = String.Join("|", Selections.Select(e => e.Equals(DefaultValue) ? "[" + e.ToString() + "]" : e.ToString()));
T Output = default(T);
var Options = new EnvironmentVariableReadOptions
{
Quiet = Quiet,
Suggester = GetCaseInsensitiveSelectionSuggester(Selections.Select(e => e.ToString())),
Validator = v =>
{
T o;
var b = Enum.TryParse <T>(v, true, out o);
if (!Selections.Contains(o))
{
return(new KeyValuePair <bool, String>(false, ""));
}
Output = o;
return(new KeyValuePair <bool, String>(b, ""));
},
PostMapper = v => Output.ToString(),
DefaultValue = DefaultValue.ToString(),
InputDisplay = InputDisplay
};
if (OnOptionCustomization != null)
{
OnOptionCustomization(Options);
}
var s = RequireEnvironmentVariable(Memory, Name, Options);
if (Memory.VariableSelections.ContainsKey(Name))
{
Memory.VariableSelections[Name] = Selections.Select(v => v.ToString()).ToList();
}
else
{
Memory.VariableSelections.Add(Name, Selections.Select(v => v.ToString()).ToList());
}
return(Output);
}
public static String RequireEnvironmentVariable(EnvironmentVariableMemory Memory, String Name, EnvironmentVariableReadOptions Options)
{
var d = Options.InputDisplay ?? (!String.IsNullOrEmpty(Options.DefaultValue) ? "[" + Options.DefaultValue + "]" : "");
String v = null;
if (Memory.Variables.ContainsKey(Name))
{
v = Memory.Variables[Name];
}
else
{
if (Memory.UseSystemEnvironmentVariable)
{
v = Environment.GetEnvironmentVariable(Name);
if (v == "_EMPTY_")
{
v = "";
}
}
}
if ((v == null) && Options.Quiet)
{
v = Options.DefaultValue;
}
if (v == null)
{
if (Options.Quiet)
{
throw new InvalidOperationException("Variable '" + Name + "' not exist.");
}
if (Options.OnInteraction != null)
{
Options.OnInteraction();
}
var PromptText = "'" + Name + "' not exist. Input" + (d == "" ? "" : " " + d) + ": ";
v = Options.IsPassword ? Terminal.ReadLinePassword(Options.ForegroundColor, PromptText, Options.EnableCancellation) : Terminal.ReadLineWithSuggestion(Options.ForegroundColor, PromptText, Options.Suggester, Options.EnableCancellation);
if (v == "")
{
v = Options.DefaultValue ?? "";
}
}
while (true)
{
if (Options.Validator == null)
{
break;
}
var ValidationResult = Options.Validator(v);
if (ValidationResult.Key)
{
break;
}
var ValidationMessage = ValidationResult.Value == "" ? "Variable '" + Name + "' invalid." : "Variable '" + Name + "' invalid. " + ValidationResult.Value;
if (Options.Quiet)
{
throw new InvalidOperationException(ValidationMessage);
}
if (Options.OnInteraction != null)
{
Options.OnInteraction();
}
var PromptText = ValidationMessage + " Input" + (d == "" ? "" : " " + d) + ": ";
v = Options.IsPassword ? Terminal.ReadLinePassword(Options.ForegroundColor, PromptText, Options.EnableCancellation) : Terminal.ReadLineWithSuggestion(Options.ForegroundColor, PromptText, Options.Suggester, Options.EnableCancellation);
if (v == "")
{
v = Options.DefaultValue ?? "";
}
}
if (Options.PostMapper != null)
{
v = Options.PostMapper(v);
}
if (Options.IsPassword)
{
Terminal.WriteLine(Options.ForegroundColor, Name + "=[***]");
}
else
{
Terminal.WriteLine(Options.ForegroundColor, Name + "=" + v);
}
Memory.Variables[Name] = v == "" ? "_EMPTY_" : v;
return(v);
}
