// license:BSD-3-Clause // copyright-holders:Olivier Galibert // Filesystem metadata management #include "fsmeta.h" #include "strformat.h" #include namespace fs { const char *meta_data::entry_name(meta_name name) { switch(name) { case meta_name::basic: return "basic"; case meta_name::creation_date: return "creation_date"; case meta_name::length: return "length"; case meta_name::loading_address: return "loading_address"; case meta_name::locked: return "locked"; case meta_name::modification_date: return "modification_date"; case meta_name::name: return "name"; case meta_name::os_minimum_version: return "os_minimum_version"; case meta_name::os_version: return "os_version"; case meta_name::rsrc_length: return "rsrc_length"; case meta_name::sequential: return "sequential"; case meta_name::size_in_blocks: return "size_in_blocks"; case meta_name::file_type: return "file_type"; case meta_name::ascii_flag: return "ascii_flag"; case meta_name::owner_id: return "owner_id"; case meta_name::attributes: return "attributes"; } return ""; } template struct overloaded : Ts... { using Ts::operator()...; }; template overloaded(Ts...)->overloaded; meta_type meta_value::type() const { std::optional result; std::visit(overloaded { [&result](const std::string &) { result = meta_type::string; }, [&result](std::uint64_t) { result = meta_type::number; }, [&result](bool) { result = meta_type::flag; }, [&result](const util::arbitrary_datetime &) { result = meta_type::date; } }, value); return *result; } std::string meta_value::to_string() const { std::string result; switch (type()) { case meta_type::string: result = as_string(); break; case meta_type::number: result = util::string_format("0x%x", as_number()); break; case meta_type::flag: result = as_flag() ? "t" : "f"; break; case meta_type::date: { auto dt = as_date(); result = util::string_format("%04d-%02d-%02d %02d:%02d:%02d", dt.year, dt.month, dt.day_of_month, dt.hour, dt.minute, dt.second); } break; default: throw false; } return result; } } // namespace fs