private ParameterEntry FormatParameterEntry(
int currentMaxWidth,
ArgumentUsageInfo info,
ArgumentSetUsageInfo setInfo,
List <IEnumArgumentType> inlineDocumentedEnums)
{
List <ColoredMultistring> enumValueEntries = null;
if (inlineDocumentedEnums?.Count > 0)
{
enumValueEntries = inlineDocumentedEnums.SelectMany(
e => GetEnumValueEntries(currentMaxWidth - _options.SectionEntryHangingIndentWidth, e))
.ToList();
if (enumValueEntries.Count == 0)
{
enumValueEntries = null;
}
}
return(new ParameterEntry
{
Syntax = FormatParameterSyntax(info, setInfo, inlineDocumentedEnums?.Count > 0),
Description = FormatParameterDescription(info, setInfo),
// TODO: Let section hanging indent override.
InlineEnumEntries = enumValueEntries
});
}
private ColoredMultistring FormatParameterSyntax(ArgumentUsageInfo info, ArgumentSetUsageInfo setInfo, bool enumsDocumentedInline)
{
var longNameSyntax = info.GetSyntax(_options.Arguments, enumsDocumentedInline);
var formattedSyntax = new List <ColoredString>();
// First add parameter's short name (if it has one and if it's supposed to be here).
if (_options.Arguments.ShortName == ArgumentShortNameHelpMode.IncludeWithLongName &&
!string.IsNullOrEmpty(info.ShortName) &&
!string.IsNullOrEmpty(setInfo.DefaultShortNamePrefix))
{
formattedSyntax.Add(new ColoredString(setInfo.DefaultShortNamePrefix + info.ShortName, _options.Arguments?.ArgumentNameColor));
formattedSyntax.Add(", ");
}
formattedSyntax.Add(new ColoredString(longNameSyntax, _options.Arguments?.ArgumentNameColor));
return(new ColoredMultistring(formattedSyntax));
}
private ColoredMultistring FormatParameterDescription(
ArgumentUsageInfo info,
ArgumentSetUsageInfo setInfo)
{
var builder = new ColoredMultistringBuilder();
List <ColoredString> defaultValueContent = null;
if (_options.Arguments.DefaultValue != ArgumentDefaultValueHelpMode.Omit &&
!string.IsNullOrEmpty(info.DefaultValue))
{
defaultValueContent = new List <ColoredString>
{
new ColoredString(Strings.UsageInfoDefaultValue, _options.Arguments.MetadataColor),
" ",
info.DefaultValue
};
}
if (_options.Arguments.DefaultValue == ArgumentDefaultValueHelpMode.PrependToDescription &&
defaultValueContent != null)
{
builder.Append("[");
builder.Append(defaultValueContent);
builder.Append("]");
}
if (_options.Arguments.IncludeDescription && !string.IsNullOrEmpty(info.Description))
{
if (builder.Length > 0)
{
builder.Append(" ");
}
builder.Append(info.Description);
}
var metadataItems = new List <List <ColoredString> >();
if (_options.Arguments.DefaultValue == ArgumentDefaultValueHelpMode.AppendToDescription &&
defaultValueContent != null)
{
metadataItems.Add(defaultValueContent);
}
// Append parameter's short name (if it has one).
if (_options.Arguments.ShortName == ArgumentShortNameHelpMode.AppendToDescription &&
!string.IsNullOrEmpty(info.ShortName) &&
!string.IsNullOrEmpty(setInfo.DefaultShortNamePrefix))
{
metadataItems.Add(new List <ColoredString>
{
new ColoredString(Strings.UsageInfoShortForm, _options.Arguments.MetadataColor),
" ",
new ColoredString(setInfo.DefaultShortNamePrefix + info.ShortName, _options.Arguments?.ArgumentNameColor)
});
}
if (metadataItems.Count > 0)
{
if (builder.Length > 0)
{
builder.Append(" ");
}
builder.Append("[");
builder.Append(metadataItems.InsertBetween(new List <ColoredString> {
", "
}).Flatten());
builder.Append("]");
}
return(builder.ToMultistring());
}
/// <summary>
/// Find all enum types that need to be documented, and sort out whether they
/// should be documented inline in their usage sites or coalesced into a
/// toplevel section.
/// </summary>
/// <param name="setInfo">Argument set usage info.</param>
/// <param name="inlineDocumented">Receives a dictionary of inline-documented
/// enum types.</param>
/// <param name="separatelyDocumented">Receives an enumeration of enum types
/// that should be separately documented.</param>
private void GetEnumsToDocument(ArgumentSetUsageInfo setInfo,
out IReadOnlyDictionary <ArgumentUsageInfo, List <IEnumArgumentType> > inlineDocumented,
out IEnumerable <IEnumArgumentType> separatelyDocumented)
{
// Find all enum types in the full type graph of the argument set; this
// "type map" will map each unique enum type to the one or more arguments that
// reference it.
var enumTypeMap = GetAllArgumentTypeMap(setInfo, t => t is IEnumArgumentType);
// Construct a dictionary for us to register inline-documented types; it will
// map from argument to the list of enum types that should be inline documented
// with it.
var id = new Dictionary <ArgumentUsageInfo, List <IEnumArgumentType> >();
// Construct a list for us to register separately-documented types; it should
// be a simple, unique list of enum types.
var sd = new List <IEnumArgumentType>();
// Look through all enum types.
foreach (var pair in enumTypeMap)
{
var enumType = (IEnumArgumentType)pair.Key;
// Figure out how many times it shows up.
var instanceCount = pair.Value.Count;
// Skip any types that somehow show up multiple times.
if (instanceCount == 0)
{
continue;
}
// Decide whether to separately document; we start with the assumption
// that we *won't* separately document.
bool shouldSeparatelyDocument = false;
// If we've been asked to unify the summary of enums with multiple references,
// then check the instance count.
if (_options.EnumValues.Flags.HasFlag(ArgumentEnumValueHelpFlags.SingleSummaryOfEnumsWithMultipleUses) &&
instanceCount > 1)
{
shouldSeparatelyDocument = true;
}
// If we've been asked to unify the summary of command enums, then check if this
// enum is a command enum.
if (_options.EnumValues.Flags.HasFlag(ArgumentEnumValueHelpFlags.SingleSummaryOfAllCommandEnums) &&
ArgumentUsageInfo.IsCommandEnum(enumType.Type))
{
shouldSeparatelyDocument = true;
}
// If we're separately documenting, then add it into that list.
if (shouldSeparatelyDocument)
{
sd.Add(enumType);
}
// Otherwise, add it to the inline-documented map.
else
{
// Make sure to add it for each argument referencing it.
foreach (var arg in pair.Value)
{
if (!id.TryGetValue(arg, out List <IEnumArgumentType> types))
{
types = new List <IEnumArgumentType>();
id[arg] = types;
}
types.Add(enumType);
}
}
}
inlineDocumented = id;
separatelyDocumented = sd;
}