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a19690170f
It was impractical to return a RefPtr<File> since that left us no way to extract the error string. This is usually needed for the UI, so the old static open() got basically no use.
72 lines
2.5 KiB
C++
72 lines
2.5 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <AK/Result.h>
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#include <AK/String.h>
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#include <LibCore/IODevice.h>
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namespace Core {
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class File final : public IODevice {
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C_OBJECT(File)
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public:
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virtual ~File() override;
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static Result<NonnullRefPtr<File>, String> open(const String& filename, IODevice::OpenMode, mode_t = 0644);
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String filename() const { return m_filename; }
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void set_filename(const StringView& filename) { m_filename = filename; }
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bool is_directory() const;
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static bool is_directory(const String& filename);
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static bool exists(const String& filename);
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virtual bool open(IODevice::OpenMode) override;
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enum class ShouldCloseFileDescription {
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No = 0,
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Yes
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};
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bool open(int fd, IODevice::OpenMode, ShouldCloseFileDescription);
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private:
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File(Object* parent = nullptr)
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: IODevice(parent)
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{
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}
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explicit File(const StringView&, Object* parent = nullptr);
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bool open_impl(IODevice::OpenMode, mode_t);
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String m_filename;
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ShouldCloseFileDescription m_should_close_file_descriptor { ShouldCloseFileDescription::Yes };
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};
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}
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