private static TomlTable CreateTableArray(TomlTable.RootTable root, TableArrayNode tableArray, IHasComments comments)
{
System.Collections.Generic.IEnumerable <TerminalNode> keySegments = tableArray.Key.SyntaxNode().GetSegments();
KeyChain chain = KeyChain.FromSegments(keySegments);
if (chain.IsEmpty)
{
throw new InvalidOperationException("Empty TOML key is not allowed.");
}
TomlTable owner = FindOrCreateOwnerTableForTableArray(root, chain, out TomlKey last);
TomlObject existing = owner.TryGetValue(last);
if (existing != null && existing is TomlTableArray existingArray)
{
TomlTable newTable = new TomlTable(root);
existingArray.Add(newTable);
newTable.AddComments(comments);
return(newTable);
}
else if (existing == null)
{
TomlTableArray newTableArray = new TomlTableArray(root);
owner.AddRow(last, newTableArray);
TomlTable newTable = new TomlTable(root);
newTable.AddComments(comments);
newTableArray.Add(newTable);
return(newTable);
}
else
{
throw new InvalidOperationException($"Cannot define table array '{last}' as an object of type "
+ $"'{existing.ReadableTypeName}' exists already.");
}
}
private static TomlTable CreateStandardTable(TomlTable.RootTable root, StandardTableNode table, IHasComments comments)
{
var keySegments = table.Key.SyntaxNode().GetSegments();
KeyChain chain = KeyChain.FromSegments(keySegments);
if (chain.IsEmpty)
{
throw new InvalidOperationException("Empty TOML key is not allowed.");
}
TomlTable owner = FindOrCreateOwnerTableForTable(root, chain, out TomlKey last);
TomlObject existing = owner.TryGetValue(last);
if (existing != null)
{
throw new InvalidOperationException($"Cannot define table with key '{chain}' as the owner already " +
$"contains a row for key '{last}' of type '{existing.ReadableTypeName}'.");
}
else
{
TomlTable newTable = new TomlTable(root);
owner.AddRow(last, newTable);
newTable.AddComments(comments);
return(newTable);
}
}
public static TomlTable Build(StartNode node, TomlSettings settings)
{
TomlTable.RootTable rootTable = new TomlTable.RootTable(settings);
TomlTable current = rootTable;
if (node == null)
{
return(rootTable);
}
System.Collections.Generic.IEnumerable <ExpressionNode> expressions = node.Expressions();
foreach (ExpressionNode e in expressions)
{
switch (e)
{
case KeyValueExpressionNode kvn:
var val = ToTomlValue(rootTable, kvn.Value.SyntaxNode());
val.AddComments(kvn);
if (kvn.Key.SyntaxNode().IsDottedKey())
{
var chain = KeyChain.FromSegments(kvn.Key.SyntaxNode().GetSegments());
var owner = FindOrCreateOwnerTableForTable(current, chain, out var last, TomlTable.TableTypes.Dotted);
owner.AddRow(last, val);
}
else
{
current.AddRow(kvn.Key.SyntaxNode().ExpressionKey(), val);
}
break;
case TableNode tn:
current = CreateTableOrArrayOfTables(rootTable, tn);
break;
case CommentExpressionNode cen:
var loc = rootTable.Rows.Any() ? CommentLocation.Append : CommentLocation.Prepend;
foreach (var c in cen.Comments)
{
rootTable.AddComment(c.Value, loc);
}
break;
default:
throw new InvalidOperationException($"Encountered unexpected expression of type '{e.GetType()}'.");
}
}
return(rootTable);
}
