mirror of
https://github.com/RGBCube/serenity
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6e19ab2bbc
We have a new, improved string type coming up in AK (OOM aware, no null state), and while it's going to use UTF-8, the name UTF8String is a mouthful - so let's free up the String name by renaming the existing class. Making the old one have an annoying name will hopefully also help with quick adoption :^)
75 lines
2.3 KiB
C++
75 lines
2.3 KiB
C++
/*
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* Copyright (c) 2021, kleines Filmröllchen <filmroellchen@serenityos.org>.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Error.h>
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#include <AK/FlyString.h>
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#include <errno.h>
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namespace Audio {
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struct LoaderError {
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enum class Category : u32 {
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// The error category is unknown.
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Unknown = 0,
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IO,
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// The read file doesn't follow the file format.
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Format,
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// Equivalent to an ASSERT(), except non-crashing.
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Internal,
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// The loader encountered something in the format that is not yet implemented.
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Unimplemented,
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};
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Category category { Category::Unknown };
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// Binary index: where in the file the error occurred.
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size_t index { 0 };
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FlyString description { DeprecatedString::empty() };
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constexpr LoaderError() = default;
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LoaderError(Category category, size_t index, FlyString description)
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: category(category)
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, index(index)
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, description(move(description))
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{
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}
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LoaderError(FlyString description)
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: description(move(description))
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{
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}
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LoaderError(Category category, FlyString description)
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: category(category)
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, description(move(description))
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{
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}
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LoaderError(LoaderError&) = default;
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LoaderError(LoaderError&&) = default;
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LoaderError(Error&& error)
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{
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if (error.is_errno()) {
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auto code = error.code();
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description = DeprecatedString::formatted("{} ({})", strerror(code), code);
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if (code == EBADF || code == EBUSY || code == EEXIST || code == EIO || code == EISDIR || code == ENOENT || code == ENOMEM || code == EPIPE)
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category = Category::IO;
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} else {
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description = error.string_literal();
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}
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}
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};
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}
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// Convenience TRY-like macro to convert an Error to a LoaderError
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#define LOADER_TRY(expression) \
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({ \
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auto _temporary_result = (expression); \
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if (_temporary_result.is_error()) \
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return LoaderError(_temporary_result.release_error()); \
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_temporary_result.release_value(); \
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})
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