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author | Yuri Kunde Schlesner <yuriks@yuriks.net> | 2014-12-15 08:03:17 +0100 |
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committer | Yuri Kunde Schlesner <yuriks@yuriks.net> | 2014-12-16 04:08:43 +0100 |
commit | 0931a42af0c0666dd9fbc20484b399c0e1ad3361 (patch) | |
tree | 2d01160a592318c8bcfcba46b21fee90216c09e1 /src/core/file_sys/file_backend.h | |
parent | Service.FS: Rename FileSys::Directory to DirectoryBackend (diff) | |
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Diffstat (limited to 'src/core/file_sys/file_backend.h')
-rw-r--r-- | src/core/file_sys/file_backend.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/src/core/file_sys/file_backend.h b/src/core/file_sys/file_backend.h new file mode 100644 index 000000000..1b81d5fe9 --- /dev/null +++ b/src/core/file_sys/file_backend.h @@ -0,0 +1,66 @@ +// Copyright 2014 Citra Emulator Project +// Licensed under GPLv2 +// Refer to the license.txt file included. + +#pragma once + +#include "common/common_types.h" + +#include "core/hle/kernel/kernel.h" + +//////////////////////////////////////////////////////////////////////////////////////////////////// +// FileSys namespace + +namespace FileSys { + +class FileBackend : NonCopyable { +public: + FileBackend() { } + virtual ~FileBackend() { } + + /** + * Open the file + * @return true if the file opened correctly + */ + virtual bool Open() = 0; + + /** + * Read data from the file + * @param offset Offset in bytes to start reading data from + * @param length Length in bytes of data to read from file + * @param buffer Buffer to read data into + * @return Number of bytes read + */ + virtual size_t Read(const u64 offset, const u32 length, u8* buffer) const = 0; + + /** + * Write data to the file + * @param offset Offset in bytes to start writing data to + * @param length Length in bytes of data to write to file + * @param flush The flush parameters (0 == do not flush) + * @param buffer Buffer to read data from + * @return Number of bytes written + */ + virtual size_t Write(const u64 offset, const u32 length, const u32 flush, const u8* buffer) const = 0; + + /** + * Get the size of the file in bytes + * @return Size of the file in bytes + */ + virtual size_t GetSize() const = 0; + + /** + * Set the size of the file in bytes + * @param size New size of the file + * @return true if successful + */ + virtual bool SetSize(const u64 size) const = 0; + + /** + * Close the file + * @return true if the file closed correctly + */ + virtual bool Close() const = 0; +}; + +} // namespace FileSys |