Function OpenArchiveInputStream

src/input/plugins/ArchiveInputPlugin.cxx:18–48

static constexpr Domain input_domain("input");

InputStreamPtr
OpenArchiveInputStream(Path path, Mutex &mutex)
{
	const ArchivePlugin *arplug;

	ArchiveLookupResult l;
	try {
		l = LookupFile(path);
		if (l.archive.IsNull()) {
			return nullptr;
		}
	} catch (...) {
		FmtDebug(input_domain,
			 "not an archive, lookup {:?} failed: {}",
			 path, std::current_exception());
		return nullptr;
	}

	const char *suffix = l.archive.GetExtension();
	if (suffix == nullptr)
		return nullptr;

	//check which archive plugin to use (by ext)
	arplug = archive_plugin_from_suffix(suffix);
	if (!arplug) {
		return nullptr;
	}

	return archive_file_open(arplug, l.archive)
		->OpenStream(l.inside.c_str(), mutex);
}