private static async Task RenderChildNodeAsync <T>(
Node <T> node,
string indent,
bool isLast,
Func <T, string> name,
Func <T, string> header,
Func <T, object> orderBy,
INodeRenderOptions options)
{
await options.WriteAsync(indent).AnyContext();
// Depending if this node is a last child, print the
// corner or cross, and calculate the indent that will
// be passed to its children
if (isLast)
{
await options.WriteAsync(options.Corner).AnyContext();
indent += options.Space;
}
else
{
await options.WriteAsync(options.Cross).AnyContext();
indent += options.Vertical;
}
await RenderNodeAsync(node, indent, name, header, orderBy, options).AnyContext();
}
// NAME1
// ├─NAM1a
// ├─NAM2a
// │ ├─NAM2ab
// │ └─NAM2bb
// ├─NAM3a
// └─NAM4a
public static async Task RenderConsole <T>(
this IEnumerable <Node <T> > source,
Func <T, string> name = null,
Func <T, string> header = null,
Func <T, object> orderBy = null,
INodeRenderOptions options = null)
{
options ??= new ConsoleNodeRenderOptions();
await source.RenderAsync(name, header, orderBy, new ConsoleNodeRenderOptions()).AnyContext();
}
public static async Task RenderAsync <T>(
this IEnumerable <Node <T> > source,
Func <T, string> name = null,
Func <T, string> header = null,
Func <T, object> orderBy = null,
INodeRenderOptions options = null)
{
name ??= t => t.ToString();
orderBy ??= t => true == true;
options ??= new ConsoleNodeRenderOptions();
foreach (var node in source.Safe() /*.OrderBy(n => orderBy(n.Value))*/)
{
if (source.IndexOf(node) != 0)
{
await options.WriteAsync(options.RootNodeBreak).AnyContext();
}
await options.WriteAsync(header?.Invoke(node.Value)).AnyContext();
await RenderNodeAsync(node, indent : string.Empty, name : name, header : header, orderBy : orderBy, options : options).AnyContext(); // ROOT
}
}
private static async Task RenderNodeAsync <T>(
Node <T> node,
string indent,
Func <T, string> name,
Func <T, string> header,
Func <T, object> orderBy,
INodeRenderOptions options)
{
await options.WriteAsync(name?.Invoke(node.Value)).AnyContext();
await options.WriteAsync(options.ChildNodeBreak).AnyContext();
// Loop through the children recursively, passing in the
// indent, and the isLast parameter
var children = node.Children.OrderBy(n => orderBy(n.Value)).ToList();
var childrenCount = node.Children.Count();
for (var i = 0; i < childrenCount; i++)
{
await options.WriteAsync(header?.Invoke(children[i].Value)).AnyContext();
await RenderChildNodeAsync(children[i], indent, i == (childrenCount - 1), name, header, orderBy, options).AnyContext();
}
}
