protected virtual object GetSubOptions(OptionInfo option, HelpParts parts)
{
return(new Grid {
Stroke = LineThickness.None,
Columns =
{
new Column {
Width = GridLength.Auto,
MinWidth = OptionNameMinLength + SubOptionMargin.Left + 1,
MaxWidth = OptionNameMaxLength + SubOptionMargin.Left + 1,
},
new Column {
Width = GridLength.Star(1)
},
},
Children =
{
option.SubOptions.Where(IsOptionVisible(parts)).Select(o => GetOption(o, parts, isSubOption: true))
}
});
}
public static IEnumerable <OptionInfo> GetOptionsFromOptionsRoots(List <Type> optionsRoots)
{
var roots = GetTypeInfos(optionsRoots);
#if CLP_22
if (roots.Count > 1 || roots.SelectMany(GetAttributes).Any(a => a.GetType().FullName == VerbAttributeTypeName22))
{
return(roots.Select(CreateOptionVerb).Where(o => o != null));
}
#endif
if (roots.Count == 1)
{
var props = roots.Single().GetProperties();
#if CLP_19
if (props.SelectMany(GetAttributes).Any(a => a.GetType().FullName == VerbOptionAttributeTypeName19))
{
return(props
.Where(p => p.GetCustomAttributes <Attribute>().Any(a => a.GetType().FullName == VerbOptionAttributeTypeName19))
.Select(CreateOptionVerb).Where(o => o != null));
}
#endif
#if CLP_19 || CLP_22
return(props.Select(CreateOption).Where(o => o != null));
#endif
}
throw UnsupportedVersion();
OptionInfo CreateOptionVerb(MemberInfo root) => OptionInfo.FromMember(root, GetAttributes(root), isVerb: true)
.WithSubOptions(GetVerbOptions(root).Select(CreateOption).Where(o => o != null));
OptionInfo CreateOption(PropertyInfo prop) => OptionInfo.FromMember(prop, GetAttributes(prop));
#if NET_STANDARD_15
IEnumerable <PropertyInfo> GetVerbOptions(MemberInfo source) =>
(source as TypeInfo ?? ((PropertyInfo)source).PropertyType.GetTypeInfo()).GetProperties(BindingFlags.Public | BindingFlags.Instance);
#else
IEnumerable <PropertyInfo> GetVerbOptions(MemberInfo source) =>
(source as Type ?? ((PropertyInfo)source).PropertyType).GetProperties(BindingFlags.Public | BindingFlags.Instance);
#endif
}
protected virtual object GetOption(OptionInfo option, HelpParts parts, bool isSubOption)
{
var m = isSubOption ? SubOptionMargin : OptionMargin;
var marginName = new Thickness(m.Left, m.Top, 1, m.Bottom);
var marginText = new Thickness(0, m.Top, m.Right, m.Bottom);
string values = parts.Has(HelpParts.OptionsValues) && option.HasHelpValues
? string.Join(", ", option.HelpValues) : null;
string defaultValue = parts.Has(HelpParts.OptionsDefaultValue) && option.DefaultValue != null
? GetOptionDefault(option) : null;
object subOptions = parts.Has(HelpParts.SubOptions) && option.SubOptions.Any(IsOptionVisible(parts))
? GetSubOptions(option, parts) : null;
return(new[] {
new Div {
Margin = marginName,
Color = isSubOption ? SubOptionNameColor : OptionNameColor,
TextWrap = TextWrap.WordWrapSpace,
Children = { option.HelpNameWithValue }
},
new Div {
Margin = marginText,
Color = OptionTextColor,
Children =
{
option.HelpText,
option.IsRequired ? " (Required)" : null,
values != null ? $"\nValid values: {values}" : null,
defaultValue != null ? $"\nDefault: {defaultValue}" : null
}
},
subOptions != null
? new Div {
[Grid.ColumnSpanProperty] = 2,
Children = { subOptions }
}
: null
});
}
protected virtual string GetOptionDefault(OptionInfo option)
{
switch (option.DefaultValue)
{
case null:
return(null);
case bool b:
return(ToString(b).ToLower());
case string s:
return(s);
case IEnumerable e:
return(string.Join(" ", e));
default:
return(null);
}
string ToString(object value) => Convert.ToString(value, EffectiveCulture);
}
