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LibCore: Ensure that Directory always has a path

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`Directory::path()` returning `ErrorOr` makes it awkward to use, and all
current users create a Directory with a path. If we find we need
pathless directories later, we can come up with a clever solution
then. :^)
This commit is contained in:
Sam Atkins 2023-03-02 16:37:46 +00:00 committed by Andreas Kling
parent 774f328783
commit 7864898f52
Notes: sideshowbarker 2024-07-17 03:14:39 +09:00 
Author: https://github.com/AtkinsSJ
Commit: https://github.com/SerenityOS/serenity/commit/7864898f52
Pull-request: https://github.com/SerenityOS/serenity/pull/17694
2 changed files with 8 additions and 18 deletions
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13
Userland/Libraries/LibCore/Directory.cpp
View File

@ -12,7 +12,7 @@
namespace Core {
// We assume that the fd is a valid directory.
Directory::Directory(int fd, Optional<LexicalPath> path)
Directory::Directory(int fd, LexicalPath path)
: m_path(move(path))
, m_directory_fd(fd)
{
@ -45,7 +45,7 @@ ErrorOr<bool> Directory::is_valid_directory(int fd)
return stat.st_mode & S_IFDIR;
}
ErrorOr<Directory> Directory::adopt_fd(int fd, Optional<LexicalPath> path)
ErrorOr<Directory> Directory::adopt_fd(int fd, LexicalPath path)
{
// This will also fail if the fd is invalid in the first place.
if (!TRY(Directory::is_valid_directory(fd)))
@ -82,13 +82,6 @@ ErrorOr<void> Directory::ensure_directory(LexicalPath const& path, mode_t creati
return {};
}
ErrorOr<LexicalPath> Directory::path() const
{
if (!m_path.has_value())
return Error::from_string_literal("Directory wasn't created with a path");
return m_path.value();
}
ErrorOr<NonnullOwnPtr<File>> Directory::open(StringView filename, File::OpenMode mode) const
{
auto fd = TRY(System::openat(m_directory_fd, filename, File::open_mode_to_options(mode)));
@ -102,7 +95,7 @@ ErrorOr<struct stat> Directory::stat() const
ErrorOr<DirIterator> Directory::create_iterator() const
{
return DirIterator { TRY(path()).string() };
return DirIterator { path().string() };
}
}

13
Userland/Libraries/LibCore/Directory.h
View File

@ -35,23 +35,23 @@ public:
static ErrorOr<Directory> create(LexicalPath path, CreateDirectories, mode_t creation_mode = 0755);
static ErrorOr<Directory> create(DeprecatedString path, CreateDirectories, mode_t creation_mode = 0755);
static ErrorOr<Directory> adopt_fd(int fd, Optional<LexicalPath> path = {});
static ErrorOr<Directory> adopt_fd(int fd, LexicalPath path);
ErrorOr<NonnullOwnPtr<File>> open(StringView filename, File::OpenMode mode) const;
ErrorOr<struct stat> stat() const;
ErrorOr<DirIterator> create_iterator() const;
ErrorOr<LexicalPath> path() const;
LexicalPath const& path() const { return m_path; }
ErrorOr<void> chown(uid_t, gid_t);
static ErrorOr<bool> is_valid_directory(int fd);
private:
Directory(int directory_fd, Optional<LexicalPath> path);
Directory(int directory_fd, LexicalPath path);
static ErrorOr<void> ensure_directory(LexicalPath const& path, mode_t creation_mode = 0755);
Optional<LexicalPath> m_path;
LexicalPath m_path;
int m_directory_fd;
};
@ -62,10 +62,7 @@ template<>
struct Formatter<Core::Directory> : Formatter<StringView> {
ErrorOr<void> format(FormatBuilder& builder, Core::Directory const& directory)
{
auto path = directory.path();
if (path.is_error())
TRY(builder.put_string("<unknown>"sv));
TRY(builder.put_string(path.release_value().string()));
TRY(builder.put_string(directory.path().string()));
return {};
}
};