Method WriteIndex

pcsx2/SIO/Memcard/MemoryCardFolder.cpp:2052–2109

}

void FileAccessHelper::WriteIndex(const std::string& baseFolderName, MemoryCardFileEntry* const entry, MemoryCardFileMetadataReference* const parent)
{
	// Not called for directories atm.
	pxAssert(entry->IsFile());

	std::string folderName(baseFolderName);
	if (parent != nullptr)
	{
		parent->GetPath(&folderName);
	}
	else
	{
		Console.Warning(fmt::format("(FileAccesHelper::WriteIndex()) '{}' has null parent", Path::Combine(baseFolderName, (const char*)entry->entry.data.name)));
	}

	char cleanName[sizeof(entry->entry.data.name)];
	memcpy(cleanName, (const char*)entry->entry.data.name, sizeof(cleanName));
	FileAccessHelper::CleanMemcardFilename(cleanName);

	const std::string indexFileName(Path::Combine(folderName, "_pcsx2_index"));

	// When length isn't passed explicitly, ryml::to_csubstr spans the entire array, incl. the trailing \0's
	// due to a possible rapidyaml bug: https://github.com/biojppm/rapidyaml/issues/531
	const ryml::csubstr key = ryml::csubstr(cleanName, std::strlen(cleanName));
	std::optional<ryml::Tree> yaml = loadYamlFile(indexFileName.c_str());

	if (yaml.has_value() && !yaml.value().empty())
	{
		ryml::NodeRef index = yaml.value().rootref();

		if (!index.has_child(key))
		{
			// Newly added file - figure out the sort order as the entry should be added to the end of the list
			ryml::NodeRef newNode = index[key];
			newNode |= ryml::MAP;
			unsigned int maxOrder = 0;
			for (const auto& n : index.children())
			{
				unsigned int currOrder = 0; // NOTE - this limits the usefulness of making the order an int64
				if (n.is_map() && n.has_child("order"))
				{
					n["order"] >> currOrder;
				}
				maxOrder = std::max(maxOrder, currOrder);
			}
			newNode["order"] << maxOrder + 1;
		}
		ryml::NodeRef entryNode = index[key];

		// Update timestamps basing on internal data
		const auto* e = &entry->entry.data;
		entryNode["timeCreated"] << e->timeCreated.ToTime();
		entryNode["timeModified"] << e->timeModified.ToTime();

		// Write out the changes
		SaveYAMLToFile(indexFileName.c_str(), index);
	}
}