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Userland: Propagate errors from file detail providers in file utility

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They already return ErrorOr<T>, so we can just use TRY() instead of
manually checking for errors.
This commit is contained in:
Valtteri Koskivuori 2023-02-02 17:10:29 +02:00 committed by Tim Flynn
parent e56098f734
commit 94bcb5bea8
1 changed files with 7 additions and 18 deletions
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25
Userland/Utilities/file.cpp
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@ -29,13 +29,9 @@ static ErrorOr<Optional<String>> description_only(StringView description, String
// FIXME: Ideally Gfx::ImageDecoder could tell us the image type directly.
static ErrorOr<Optional<String>> image_details(StringView description, StringView path)
{
auto file_or_error = Core::MappedFile::map(path);
if (file_or_error.is_error())
return OptionalNone {};
auto& mapped_file = *file_or_error.value();
auto mapped_file = TRY(Core::MappedFile::map(path));
auto mime_type = Core::guess_mime_type_based_on_filename(path);
auto image_decoder = Gfx::ImageDecoder::try_create_for_raw_bytes(mapped_file.bytes(), mime_type);
auto image_decoder = Gfx::ImageDecoder::try_create_for_raw_bytes(mapped_file->bytes(), mime_type);
if (!image_decoder)
return OptionalNone {};
@ -97,15 +93,11 @@ static ErrorOr<Optional<String>> audio_details(StringView description, StringVie
static ErrorOr<Optional<String>> gzip_details(StringView description, StringView path)
{
auto file_or_error = Core::MappedFile::map(path);
if (file_or_error.is_error())
auto mapped_file = TRY(Core::MappedFile::map(path));
if (!Compress::GzipDecompressor::is_likely_compressed(mapped_file->bytes()))
return OptionalNone {};
auto& mapped_file = *file_or_error.value();
if (!Compress::GzipDecompressor::is_likely_compressed(mapped_file.bytes()))
return OptionalNone {};
auto gzip_details = Compress::GzipDecompressor::describe_header(mapped_file.bytes());
auto gzip_details = Compress::GzipDecompressor::describe_header(mapped_file->bytes());
if (!gzip_details.has_value())
return OptionalNone {};
@ -114,11 +106,8 @@ static ErrorOr<Optional<String>> gzip_details(StringView description, StringView
static ErrorOr<Optional<String>> elf_details(StringView description, StringView path)
{
auto file_or_error = Core::MappedFile::map(path);
if (file_or_error.is_error())
return OptionalNone {};
auto& mapped_file = *file_or_error.value();
auto elf_data = mapped_file.bytes();
auto mapped_file = TRY(Core::MappedFile::map(path));
auto elf_data = mapped_file->bytes();
ELF::Image elf_image(elf_data);
if (!elf_image.is_valid())
return OptionalNone {};