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Utilities: Use GzipDecompressor::describe_header for gzip descriptions

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Idan Horowitz 2021-05-07 23:49:26 +03:00 • committed by Andreas Kling
parent 2119e0fb3f
commit 284730c002
Notes: sideshowbarker 2024-07-18 18:34:19 +09:00
2 changed files with 20 additions and 1 deletions
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2
Userland/Utilities/CMakeLists.txt
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@ -56,4 +56,4 @@ target_link_libraries(gzip LibCompress)
target_link_libraries(gunzip LibCompress)
target_link_libraries(CppParserTest LibCpp LibGUI)
target_link_libraries(PreprocessorTest LibCpp LibGUI)
target_link_libraries(file LibGfx LibIPC)
target_link_libraries(file LibGfx LibIPC LibCompress)

19
Userland/Utilities/file.cpp
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@ -6,6 +6,7 @@
#include <AK/MappedFile.h>
#include <AK/Vector.h>
#include <LibCompress/Gzip.h>
#include <LibCore/ArgsParser.h>
#include <LibCore/FileStream.h>
#include <LibCore/MimeData.h>
@ -34,9 +35,27 @@ static Optional<String> image_details(const String& description, const String& p
return String::formatted("{}, {} x {}", description, image_decoder->width(), image_decoder->height());
}
static Optional<String> gzip_details(String description, const String& path)
{
auto file_or_error = MappedFile::map(path);
if (file_or_error.is_error())
return {};
auto& mapped_file = *file_or_error.value();
if (!Compress::GzipDecompressor::is_likely_compressed(mapped_file.bytes()))
return {};
auto gzip_details = Compress::GzipDecompressor::describe_header(mapped_file.bytes());
if (!gzip_details.has_value())
return {};
return String::formatted("{}, {}", description, gzip_details.value());
}
#define ENUMERATE_MIME_TYPE_DESCRIPTIONS \
__ENUMERATE_MIME_TYPE_DESCRIPTION("application/javascript", "JavaScript source", description_only) \
__ENUMERATE_MIME_TYPE_DESCRIPTION("application/json", "JSON data", description_only) \
__ENUMERATE_MIME_TYPE_DESCRIPTION("extra/gzip", "gzip compressed data", gzip_details) \
__ENUMERATE_MIME_TYPE_DESCRIPTION("image/bmp", "BMP image data", image_details) \
__ENUMERATE_MIME_TYPE_DESCRIPTION("image/gif", "GIF image data", image_details) \
__ENUMERATE_MIME_TYPE_DESCRIPTION("image/jpeg", "JPEG image data", image_details) \