public static TomlTable Build(StartNode node, TomlSettings settings)
{
TomlTable.RootTable rootTable = new TomlTable.RootTable(settings);
TomlTable current = rootTable;
if (node == null)
{
return(rootTable);
}
System.Collections.Generic.IEnumerable <ExpressionNode> expressions = node.Expressions();
foreach (ExpressionNode e in expressions)
{
switch (e)
{
case KeyValueExpressionNode kvn:
var val = ToTomlValue(rootTable, kvn.Value.SyntaxNode());
val.AddComments(kvn);
if (kvn.Key.SyntaxNode().IsDottedKey())
{
var chain = KeyChain.FromSegments(kvn.Key.SyntaxNode().GetSegments());
var owner = FindOrCreateOwnerTableForTable(current, chain, out var last, TomlTable.TableTypes.Dotted);
owner.AddRow(last, val);
}
else
{
current.AddRow(kvn.Key.SyntaxNode().ExpressionKey(), val);
}
break;
case TableNode tn:
current = CreateTableOrArrayOfTables(rootTable, tn);
break;
case CommentExpressionNode cen:
var loc = rootTable.Rows.Any() ? CommentLocation.Append : CommentLocation.Prepend;
foreach (var c in cen.Comments)
{
rootTable.AddComment(c.Value, loc);
}
break;
default:
throw new InvalidOperationException($"Encountered unexpected expression of type '{e.GetType()}'.");
}
}
return(rootTable);
}
private static TomlTable FindOrCreateOwnerTableForTableArray(TomlTable current, KeyChain keys, out TomlKey last)
{
if (keys.IsLastSegment)
{
last = keys.Key;
return(current);
}
TomlObject row = current.TryGetValue(keys.Key);
if (row != null)
{
if (row is TomlTable tbl)
{
return(FindOrCreateOwnerTableForTable(tbl, keys.Next, out last));
}
else if (row is TomlTableArray ta)
{
return(FindOrCreateOwnerTableForTableArray(ta.Items.Last(), keys.Next, out last));
}
else
{
throw new InvalidOperationException(
$"Key '{keys}' corresponds to a TOML object hat is not of type TOML table or TOML table array.");
}
}
else
{
TomlTableArray a = new TomlTableArray(current.Root);
TomlTable t = new TomlTable(current.Root);
a.Add(t);
current.AddRow(keys.Key, a);
return(FindOrCreateOwnerTableForTableArray(t, keys.Next, out last));
}
}