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LibCore: Use ErrorOr<T> for Core::File::open()
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parent
fac2550143
commit
a7f1f1c34b
24 changed files with 42 additions and 48 deletions
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@ -9,6 +9,7 @@
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#include <AK/Buffered.h>
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#include <AK/ByteBuffer.h>
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#include <AK/Stream.h>
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#include <AK/Try.h>
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#include <LibCore/File.h>
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namespace Core {
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@ -20,28 +21,18 @@ public:
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{
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}
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static Result<InputFileStream, OSError> open(StringView filename, OpenMode mode = OpenMode::ReadOnly, mode_t permissions = 0644)
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static ErrorOr<InputFileStream> open(StringView filename, OpenMode mode = OpenMode::ReadOnly, mode_t permissions = 0644)
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{
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VERIFY(has_flag(mode, OpenMode::ReadOnly));
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auto file_result = File::open(filename, mode, permissions);
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if (file_result.is_error())
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return file_result.error();
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return InputFileStream { file_result.value() };
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auto file = TRY(File::open(filename, mode, permissions));
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return InputFileStream { move(file) };
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}
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static Result<Buffered<InputFileStream>, OSError> open_buffered(StringView filename, OpenMode mode = OpenMode::ReadOnly, mode_t permissions = 0644)
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static ErrorOr<Buffered<InputFileStream>> open_buffered(StringView filename, OpenMode mode = OpenMode::ReadOnly, mode_t permissions = 0644)
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{
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VERIFY(has_flag(mode, OpenMode::ReadOnly));
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auto file_result = File::open(filename, mode, permissions);
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if (file_result.is_error())
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return file_result.error();
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return Buffered<InputFileStream> { file_result.value() };
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auto file = TRY(File::open(filename, mode, permissions));
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return Buffered<InputFileStream> { move(file) };
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}
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size_t read(Bytes bytes) override
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@ -89,28 +80,18 @@ public:
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{
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}
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static Result<OutputFileStream, OSError> open(StringView filename, OpenMode mode = OpenMode::WriteOnly, mode_t permissions = 0644)
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static ErrorOr<OutputFileStream> open(StringView filename, OpenMode mode = OpenMode::WriteOnly, mode_t permissions = 0644)
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{
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VERIFY(has_flag(mode, OpenMode::WriteOnly));
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auto file_result = File::open(filename, mode, permissions);
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if (file_result.is_error())
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return file_result.error();
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return OutputFileStream { file_result.value() };
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auto file = TRY(File::open(filename, mode, permissions));
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return OutputFileStream { move(file) };
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}
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static Result<Buffered<OutputFileStream>, OSError> open_buffered(StringView filename, OpenMode mode = OpenMode::WriteOnly, mode_t permissions = 0644)
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static ErrorOr<Buffered<OutputFileStream>> open_buffered(StringView filename, OpenMode mode = OpenMode::WriteOnly, mode_t permissions = 0644)
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{
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VERIFY(has_flag(mode, OpenMode::WriteOnly));
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auto file_result = File::open(filename, mode, permissions);
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if (file_result.is_error())
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return file_result.error();
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return Buffered<OutputFileStream> { file_result.value() };
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auto file = TRY(File::open(filename, mode, permissions));
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return Buffered<OutputFileStream> { move(file) };
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}
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static OutputFileStream standard_output()
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