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ladybird/Libraries/LibCore/DirIterator.h

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Meta: Add license header to source files As suggested by Joshua, this commit adds the 2-clause BSD license as a comment block to the top of every source file. For the first pass, I've just added myself for simplicity. I encourage everyone to add themselves as copyright holders of any file they've added or modified in some significant way. If I've added myself in error somewhere, feel free to replace it with the appropriate copyright holder instead. Going forward, all new source files should include a license header.
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/*
Meta: Update my e-mail address everywhere
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* Copyright (c) 2018-2020, Andreas Kling <andreas@ladybird.org>
LibCore: Expose file type from DirIterator Our `find` utility makes use of the `dirent::d_type` field for filtering results, which `Core::DirIterator` didn't expose. So, now it does. :^) We now store the name and type of the entry as the "next" value instead of just the name. The type is exposed as a `DirectoryEntry::Type` instead of a `DT_FOO` constant, so that we're not tied to posixy systems, and because proper enums are nice. :^)
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* Copyright (c) 2023, Sam Atkins <atkinssj@serenityos.org>
Meta: Add license header to source files As suggested by Joshua, this commit adds the 2-clause BSD license as a comment block to the top of every source file. For the first pass, I've just added myself for simplicity. I encourage everyone to add themselves as copyright holders of any file they've added or modified in some significant way. If I've added myself in error somewhere, feel free to replace it with the appropriate copyright holder instead. Going forward, all new source files should include a license header.
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*
Everything: Move to SPDX license identifiers in all files. SPDX License Identifiers are a more compact / standardized way of representing file license information. See: https://spdx.dev/resources/use/#identifiers This was done with the `ambr` search and replace tool. ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
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* SPDX-License-Identifier: BSD-2-Clause
Meta: Add license header to source files As suggested by Joshua, this commit adds the 2-clause BSD license as a comment block to the top of every source file. For the first pass, I've just added myself for simplicity. I encourage everyone to add themselves as copyright holders of any file they've added or modified in some significant way. If I've added myself in error somewhere, feel free to replace it with the appropriate copyright holder instead. Going forward, all new source files should include a license header.
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*/
LibCore: Add CDirIterator, and use it in everything rather than readdir
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#pragma once
LibCore: Expose file type from DirIterator Our `find` utility makes use of the `dirent::d_type` field for filtering results, which `Core::DirIterator` didn't expose. So, now it does. :^) We now store the name and type of the entry as the "next" value instead of just the name. The type is exposed as a `DirectoryEntry::Type` instead of a `DT_FOO` constant, so that we're not tied to posixy systems, and because proper enums are nice. :^)
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#include <LibCore/DirectoryEntry.h>
LibCore: Add CDirIterator, and use it in everything rather than readdir
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LibCore: Put all classes in the Core namespace and remove the leading C I've been wanting to do this for a long time. It's time we start being consistent about how this stuff works. The new convention is: - "LibFoo" is a userspace library that provides the "Foo" namespace. That's it :^) This was pretty tedious to convert and I didn't even start on LibGUI yet. But it's coming up next.
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namespace Core {
class DirIterator {
LibCore: Add CDirIterator, and use it in everything rather than readdir
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public:
Meta: Tweak .clang-format to not wrap braces after enums.
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enum Flags {
LibCore: Add CDirIterator, and use it in everything rather than readdir
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NoFlags = 0x0,
SkipDots = 0x1,
LibCore: Add SkipParentAndBaseDir flag in DirIterator Sometimes we may want to iterate over dotfiles but not include the parent or base directory
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SkipParentAndBaseDir = 0x2,
LibCore: Add new flag for DirIterator to not use fstatat This will be useful in the upcoming listdir utility (in the next commit) to get the file type which is obtained in the get_dir_entries syscall, so it's not changed later by the fstatat syscall. This will ensure that we get the raw file type value as it's represented by directory entries from the get_dir_entries syscall.
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NoStat = 0x4,
LibCore: Add CDirIterator, and use it in everything rather than readdir
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};
Everywhere: Rename {Deprecated => Byte}String This commit un-deprecates DeprecatedString, and repurposes it as a byte string. As the null state has already been removed, there are no other particularly hairy blockers in repurposing this type as a byte string (what it _really_ is). This commit is auto-generated: $ xs=$(ack -l \bDeprecatedString\b\|deprecated_string AK Userland \ Meta Ports Ladybird Tests Kernel) $ perl -pie 's/\bDeprecatedString\b/ByteString/g; s/deprecated_string/byte_string/g' $xs $ clang-format --style=file -i \ $(git diff --name-only | grep \.cpp\|\.h) $ gn format $(git ls-files '*.gn' '*.gni')
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explicit DirIterator(ByteString path, Flags = Flags::NoFlags);
LibCore: Put all classes in the Core namespace and remove the leading C I've been wanting to do this for a long time. It's time we start being consistent about how this stuff works. The new convention is: - "LibFoo" is a userspace library that provides the "Foo" namespace. That's it :^) This was pretty tedious to convert and I didn't even start on LibGUI yet. But it's coming up next.
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~DirIterator();
LibCore: Add CDirIterator, and use it in everything rather than readdir
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LibCore: Allow moving, but not copying, DirIterator An explicit move constructor is required to null-out the moved-from directory descriptor. Otherwise, we would call closedir() twice when using ErrorOr<DirIterator>::release_value().
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DirIterator(DirIterator&&);
DirIterator(DirIterator const&) = delete;
LibCore+Everywhere: Return an Error from DirIterator::error() This also removes DirIterator::error_string(), since the same strerror() string will be included when you print the Error itself. Except in `ls` which is still using fprintf() for now.
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bool has_error() const { return m_error.has_value(); }
Error error() const { return Error::copy(m_error.value()); }
LibCore: Add CDirIterator, and use it in everything rather than readdir
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bool has_next();
LibCore: Expose file type from DirIterator Our `find` utility makes use of the `dirent::d_type` field for filtering results, which `Core::DirIterator` didn't expose. So, now it does. :^) We now store the name and type of the entry as the "next" value instead of just the name. The type is exposed as a `DirectoryEntry::Type` instead of a `DT_FOO` constant, so that we're not tied to posixy systems, and because proper enums are nice. :^)
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Optional<DirectoryEntry> next();
Everywhere: Rename {Deprecated => Byte}String This commit un-deprecates DeprecatedString, and repurposes it as a byte string. As the null state has already been removed, there are no other particularly hairy blockers in repurposing this type as a byte string (what it _really_ is). This commit is auto-generated: $ xs=$(ack -l \bDeprecatedString\b\|deprecated_string AK Userland \ Meta Ports Ladybird Tests Kernel) $ perl -pie 's/\bDeprecatedString\b/ByteString/g; s/deprecated_string/byte_string/g' $xs $ clang-format --style=file -i \ $(git diff --name-only | grep \.cpp\|\.h) $ gn format $(git ls-files '*.gn' '*.gni')
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ByteString next_path();
ByteString next_full_path();
LibCore: Expose DirIterator's underlying file descriptor
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int fd() const;
LibCore: Add CDirIterator, and use it in everything rather than readdir
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private:
Partially revert "LibCore: Add Windows version of DirIterator" This reverts commit d92a96c40a1fce97c86c7a4a2c8ace8002aa84ac, but keeps changes to AK/Error{.h,.cpp} (function Error::from_windows_error)
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DIR* m_dir = nullptr;
LibCore+Everywhere: Return an Error from DirIterator::error() This also removes DirIterator::error_string(), since the same strerror() string will be included when you print the Error itself. Except in `ls` which is still using fprintf() for now.
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Optional<Error> m_error;
LibCore: Expose file type from DirIterator Our `find` utility makes use of the `dirent::d_type` field for filtering results, which `Core::DirIterator` didn't expose. So, now it does. :^) We now store the name and type of the entry as the "next" value instead of just the name. The type is exposed as a `DirectoryEntry::Type` instead of a `DT_FOO` constant, so that we're not tied to posixy systems, and because proper enums are nice. :^)
2023-03-02 15:39:07 +00:00
Optional<DirectoryEntry> m_next;
Everywhere: Rename {Deprecated => Byte}String This commit un-deprecates DeprecatedString, and repurposes it as a byte string. As the null state has already been removed, there are no other particularly hairy blockers in repurposing this type as a byte string (what it _really_ is). This commit is auto-generated: $ xs=$(ack -l \bDeprecatedString\b\|deprecated_string AK Userland \ Meta Ports Ladybird Tests Kernel) $ perl -pie 's/\bDeprecatedString\b/ByteString/g; s/deprecated_string/byte_string/g' $xs $ clang-format --style=file -i \ $(git diff --name-only | grep \.cpp\|\.h) $ gn format $(git ls-files '*.gn' '*.gni')
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ByteString m_path;
LibCore: Add CDirIterator, and use it in everything rather than readdir
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int m_flags;
bool advance_next();
};
LibCore: Put all classes in the Core namespace and remove the leading C I've been wanting to do this for a long time. It's time we start being consistent about how this stuff works. The new convention is: - "LibFoo" is a userspace library that provides the "Foo" namespace. That's it :^) This was pretty tedious to convert and I didn't even start on LibGUI yet. But it's coming up next.
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}
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