mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-11-14 17:16:36 +00:00
68 lines
2.7 KiB
C++
68 lines
2.7 KiB
C++
/*
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* Copyright (c) Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <stratosphere.hpp>
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namespace ams::fs::impl {
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struct FilePathHash;
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class FileSystemAccessor;
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enum class WriteState {
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None,
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NeedsFlush,
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Failed,
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};
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class FileAccessor : public util::IntrusiveListBaseNode<FileAccessor>, public Newable {
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NON_COPYABLE(FileAccessor);
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private:
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std::unique_ptr<fsa::IFile> m_impl;
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FileSystemAccessor * const m_parent;
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WriteState m_write_state;
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Result m_write_result;
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const OpenMode m_open_mode;
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std::unique_ptr<FilePathHash> m_file_path_hash;
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s32 m_path_hash_index;
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public:
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FileAccessor(std::unique_ptr<fsa::IFile>&& f, FileSystemAccessor *p, OpenMode mode);
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~FileAccessor();
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Result Read(size_t *out, s64 offset, void *buf, size_t size, const ReadOption &option);
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Result Write(s64 offset, const void *buf, size_t size, const WriteOption &option);
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Result Flush();
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Result SetSize(s64 size);
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Result GetSize(s64 *out);
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Result OperateRange(void *dst, size_t dst_size, OperationId operation, s64 offset, s64 size, const void *src, size_t src_size);
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OpenMode GetOpenMode() const { return m_open_mode; }
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WriteState GetWriteState() const { return m_write_state; }
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FileSystemAccessor *GetParent() const { return m_parent; }
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void SetFilePathHash(std::unique_ptr<FilePathHash>&& file_path_hash, s32 index);
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Result ReadWithoutCacheAccessLog(size_t *out, s64 offset, void *buf, size_t size, const ReadOption &option);
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private:
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Result ReadWithCacheAccessLog(size_t *out, s64 offset, void *buf, size_t size, const ReadOption &option, bool use_path_cache, bool use_data_cache);
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ALWAYS_INLINE Result UpdateLastResult(Result r) {
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if (!fs::ResultNotEnoughFreeSpace::Includes(r)) {
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m_write_result = r;
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}
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R_RETURN(r);
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}
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};
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}
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