Core: Add a new File class, obtainable from an Archive, and a stub implementation.

1 files changed, 53 insertions, 0 deletions

diff --git a/src/core/file_sys/file.h b/src/core/file_sys/file.h
new file mode 100644
index 00000000..f7b009f5
--- /dev/null
+++ b/src/core/file_sys/file.h
@@ -0,0 +1,53 @@
+// 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 File : NonCopyable {
+public:
+    File() { }
+    virtual ~File() { }
+
+    /**
+     * 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 buffer Buffer to write data from
+     * @param flush The flush parameters (0 == do not flush)
+     * @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;
+
+    /**
+     * Close the file
+     * @return true if the file closed correctly
+     */
+    virtual bool Close() const = 0;
+};
+
+} // namespace FileSys