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Userland: Teach the file utility about zip files

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It now shows a short description with a file and directory counts, and
the total content size uncompressed.
This commit is contained in:
Valtteri Koskivuori 2023-07-03 17:45:59 +03:00 • committed by Sam Atkins
parent 729aae8437
commit 2c6b156803
4 changed files with 30 additions and 3 deletions
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27
Userland/Utilities/file.cpp
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@ -4,8 +4,10 @@
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/NumberFormat.h>
#include <AK/String.h>
#include <AK/Vector.h>
#include <LibArchive/Zip.h>
#include <LibAudio/Loader.h>
#include <LibCompress/Gzip.h>
#include <LibCore/ArgsParser.h>
@ -104,6 +106,30 @@ static ErrorOr<Optional<String>> gzip_details(StringView description, StringView
return TRY(String::formatted("{}, {}", description, gzip_details.value()));
}
static ErrorOr<Optional<String>> zip_details(StringView description, StringView path)
{
auto mapped_file = TRY(Core::MappedFile::map(path));
auto zip_file = Archive::Zip::try_create(mapped_file->bytes());
u32 files = 0;
u32 directories = 0;
u64 total_bytes = 0;
TRY(zip_file->for_each_member([&](auto zip_member) -> ErrorOr<IterationDecision> {
if (zip_member.is_directory)
directories++;
else
files++;
total_bytes += zip_member.uncompressed_size;
return IterationDecision::Continue;
}));
return TRY(String::formatted("{}, {} {}, {} {} totaling {} uncompressed",
description,
directories,
directories == 1 ? "directory" : "directories",
files,
files == 1 ? "file" : "files",
AK::human_readable_size(total_bytes)));
}
static ErrorOr<Optional<String>> elf_details(StringView description, StringView path)
{
auto mapped_file = TRY(Core::MappedFile::map(path));
@ -146,6 +172,7 @@ static ErrorOr<Optional<String>> elf_details(StringView description, StringView
__ENUMERATE_MIME_TYPE_DESCRIPTION("application/tar"sv, "tape archive"sv, description_only) \
__ENUMERATE_MIME_TYPE_DESCRIPTION("application/wasm"sv, "WebAssembly bytecode"sv, description_only) \
__ENUMERATE_MIME_TYPE_DESCRIPTION("application/x-7z-compressed"sv, "7-Zip archive"sv, description_only) \
__ENUMERATE_MIME_TYPE_DESCRIPTION("application/zip"sv, "ZIP archive"sv, zip_details) \
__ENUMERATE_MIME_TYPE_DESCRIPTION("audio/flac"sv, "FLAC audio"sv, audio_details) \
__ENUMERATE_MIME_TYPE_DESCRIPTION("audio/midi"sv, "MIDI notes"sv, audio_details) \
__ENUMERATE_MIME_TYPE_DESCRIPTION("audio/mpeg"sv, "MP3 audio"sv, audio_details) \