/// <summary>Returns a string representation of <paramref name="type"/>.</summary>
/// <param name="type">The type.</param>
/// <param name="options">The type formatting options.</param>
/// <param name="getNameFunc">The delegate used to get the unadorned, simple type name of <paramref name="type"/>.</param>
/// <returns>A string representation of the <paramref name="type"/>.</returns>
public static string GetParseableName(this Type type, TypeFormattingOptions options = null, Func <Type, string> getNameFunc = null)
{
options = options ?? TypeFormattingOptions.Default;
// If a naming function has been specified, skip the cache.
if (getNameFunc != null)
{
return(BuildParseableName());
}
return(ParseableNameCache.GetOrAdd(Tuple.Create(type, options), _ => BuildParseableName()));
string BuildParseableName()
{
var builder = new StringBuilder();
var typeInfo = type.GetTypeInfo();
GetParseableName(
type,
builder,
new Queue <Type>(
typeInfo.IsGenericTypeDefinition
? typeInfo.GetGenericArguments()
: typeInfo.GenericTypeArguments),
options,
getNameFunc ?? (t => t.GetUnadornedTypeName() + options.NameSuffix));
return(builder.ToString());
}
}
/// <summary>Returns a string representation of <paramref name="type"/>.</summary>
/// <param name="type">The type.</param>
/// <param name="options">The type formatting options.</param>
/// <returns>A string representation of the <paramref name="type"/>.</returns>
public static string GetParseableName(this Type type, TypeFormattingOptions options = null)
{
options = options ?? new TypeFormattingOptions();
return(ParseableNameCache.GetOrAdd(
Tuple.Create(type, options),
_ =>
{
var builder = new StringBuilder();
var typeInfo = type.GetTypeInfo();
GetParseableName(
type,
builder,
new Queue <Type>(
typeInfo.IsGenericTypeDefinition
? typeInfo.GetGenericArguments()
: typeInfo.GenericTypeArguments),
options);
return builder.ToString();
}));
}
/// <summary>Returns a string representation of <paramref name="type"/>.</summary>
/// <param name="type">The type.</param>
/// <param name="builder">The <see cref="StringBuilder"/> to append results to.</param>
/// <param name="typeArguments">The type arguments of <paramref name="type"/>.</param>
/// <param name="options">The type formatting options.</param>
/// <param name="getNameFunc">Delegate that returns name for a type.</param>
private static void GetParseableName(
Type type,
StringBuilder builder,
Queue <Type> typeArguments,
TypeFormattingOptions options,
Func <Type, string> getNameFunc)
{
var typeInfo = type.GetTypeInfo();
if (typeInfo.IsArray)
{
var elementType = typeInfo.GetElementType().GetParseableName(options);
if (!string.IsNullOrWhiteSpace(elementType))
{
builder.AppendFormat(
"{0}[{1}]",
elementType,
string.Concat(Enumerable.Range(0, type.GetArrayRank() - 1).Select(_ => ',')));
}
return;
}
if (typeInfo.IsGenericParameter)
{
if (options.IncludeGenericTypeParameters)
{
builder.Append(type.GetUnadornedTypeName());
}
return;
}
if (typeInfo.DeclaringType != null)
{
// This is not the root type.
GetParseableName(typeInfo.DeclaringType, builder, typeArguments, options, t => t.GetUnadornedTypeName());
builder.Append(options.NestedTypeSeparator);
}
else if (!string.IsNullOrWhiteSpace(type.Namespace) && options.IncludeNamespace)
{
// This is the root type, so include the namespace.
var namespaceName = type.Namespace;
if (options.NestedTypeSeparator != '.')
{
namespaceName = namespaceName.Replace('.', options.NestedTypeSeparator);
}
if (options.IncludeGlobal)
{
builder.AppendFormat("global::");
}
builder.AppendFormat("{0}{1}", namespaceName, options.NestedTypeSeparator);
}
if (type.IsConstructedGenericType)
{
// Get the unadorned name, the generic parameters, and add them together.
var unadornedTypeName = getNameFunc(type);
builder.Append(EscapeIdentifier(unadornedTypeName));
var generics =
Enumerable.Range(0, Math.Min(typeInfo.GetGenericArguments().Count(), typeArguments.Count))
.Select(_ => typeArguments.Dequeue())
.ToList();
if (generics.Count > 0 && options.IncludeTypeParameters)
{
var genericParameters = string.Join(
",",
generics.Select(generic => GetParseableName(generic, options)));
builder.AppendFormat("<{0}>", genericParameters);
}
}
else if (typeInfo.IsGenericTypeDefinition)
{
// Get the unadorned name, the generic parameters, and add them together.
var unadornedTypeName = getNameFunc(type);
builder.Append(EscapeIdentifier(unadornedTypeName));
var generics =
Enumerable.Range(0, Math.Min(type.GetGenericArguments().Count(), typeArguments.Count))
.Select(_ => typeArguments.Dequeue())
.ToList();
if (generics.Count > 0 && options.IncludeTypeParameters)
{
var genericParameters = string.Join(
",",
generics.Select(_ => options.IncludeGenericTypeParameters ? _.ToString() : string.Empty));
builder.AppendFormat("<{0}>", genericParameters);
}
}
else
{
builder.Append(EscapeIdentifier(getNameFunc(type)));
}
}
