private YMapping GetMappingValueDependent(ITokenizer tokenizer)
{
switch (tokenizer.Current.Value.Kind)
{
case TokenKind.Indent when tokenizer.Current.Next?.Value.Kind == TokenKind.MappingKey:
{
var mappingNode = new YMapping(tokenizer.Current.Value.IndentLevel);
var items = new YKeyValueList();
tokenizer.MoveNext();
while (tokenizer.Current.Value.Kind == TokenKind.MappingKey)
{
var keyValueNode = this.ParseMappingKey(tokenizer);
items.AddNode(keyValueNode);
}
while (tokenizer.Current.Value.Kind == TokenKind.Unindent)
{
tokenizer.MoveNext();
}
mappingNode.Add(items.ToNodes());
return(mappingNode);
}
case TokenKind.MappingValue:
{
var mappingNode = new YMapping(tokenizer.Current.Value.IndentLevel);
tokenizer.MoveNext();
var value = this.GetNodeValue(tokenizer);
mappingNode.Add(value);
return(mappingNode);
}
case TokenKind.Indent when tokenizer.Current.Next?.Next?.Value.Kind == TokenKind.MappingValue:
{
var mappingNode = new YMapping(tokenizer.Current.Value.IndentLevel);
var items = new YKeyValueList();
tokenizer.MoveNext();
// Добавлеяем элементы в список
do
{
var keyValueNode = this.ParseMappingKey(tokenizer);
items.AddNode(keyValueNode);
} while (tokenizer.Current.Value.Kind != TokenKind.Unindent &&
tokenizer.Current.Value.Kind != TokenKind.Eof &&
tokenizer.Current.Value.Kind != TokenKind.Indent &&
tokenizer.Current.Value.IndentLevel >= mappingNode.IndentLevel);
// Удаляем ненужные отступы
while (tokenizer.Current.Value.Kind == TokenKind.Unindent)
{
tokenizer.MoveNext();
}
// Проверяем уровень вложенности
if (tokenizer.Current.Value.IndentLevel != 0 && tokenizer.Current.Value.Kind == TokenKind.Indent)
{
while (tokenizer.Current.Value.IndentLevel == mappingNode.IndentLevel &&
tokenizer.Current.Value.Kind != TokenKind.Eof)
{
if (tokenizer.Current.Value.Kind == TokenKind.Indent)
{
tokenizer.MoveNext();
}
var keyValueNode = this.ParseMappingKey(tokenizer);
items.AddNode(keyValueNode);
}
}
mappingNode.Add(items.ToNodes());
return(mappingNode);
}
case TokenKind.MappingBegin:
{
var mappingNode = new YMapping(tokenizer.Current.Value.IndentLevel);
var items = new YKeyValueList();
tokenizer.MoveNext();
do
{
if (tokenizer.Current.Value.Kind == TokenKind.MappingEnd)
{
break;
}
var keyValueNode = this.ParseMappingKey(tokenizer);
items.AddNode(keyValueNode);
} while (tokenizer.Current.Value.Kind == TokenKind.ItemDelimiter && tokenizer.MoveNext());
if (tokenizer.Current.Value.Kind != TokenKind.MappingEnd)
{
throw ParseException.UnexpectedToken(tokenizer, TokenKind.MappingEnd);
}
tokenizer.MoveNext();
mappingNode.Add(items.ToNodes());
return(mappingNode);
}
default:
return(null);
}
}
