bool TMDTextUnserializer::Unserialize(StringView str)
{
	Array<size_t> indexStack;
	auto FixupEntries = [this,&indexStack](int level)
	{
		size_t end = _entries.size();
		while (indexStack.size() > size_t(level + 1))
		{
			_entries[indexStack.last()].off2next = end - indexStack.last();
			indexStack.pop_back();
		}
	};

	_entries.clear();
	_data = str;
	str = _data;

	int prevLevel = -1;
	while (str.not_empty())
	{
		StringView line = str.until("\n");
		str.skip(line.size() + 1);

		// detect level
		int level = 0;
		while (line.ch() == ' ' || line.ch() == '\t')
		{
			line.skip(1);
			level++;
		}

		// whitespace only, skip line
		if (line.empty())
			continue;

		if (level > prevLevel + 1)
		{
			LOG_WARNING << "TMDTextUnserializer failed: missing entries/excessive indenting";
			return false;
		}
		if (level == prevLevel + 1)
		{
			indexStack.push_back(_entries.size());
		}
		else
		{
			if (level < prevLevel)
				FixupEntries(level);
			_entries[indexStack[level]].off2next = _entries.size() - indexStack[level];
			indexStack[level] = _entries.size();
		}
		prevLevel = level;

		StringView nametype = line.until("=");
		StringView value = line.part(nametype.size() + 1);
		StringView name = nametype.until(":");
		StringView type = nametype.part(name.size() + 1);

		name.trim(SPACE_CHARS);
		type.trim(SPACE_CHARS);
		value.trim(SPACE_CHARS);

		_entries.push_back({ level, 0, name, type, value });
	}
	FixupEntries(-1);

	return true;
}