mirror of https://github.com/ARMmbed/mbed-os.git
				
				
				
			
		
			
				
	
	
		
			115 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			C++
		
	
	
			
		
		
	
	
			115 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			C++
		
	
	
/* mbed Microcontroller Library
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 * Copyright (c) 2006-2013 ARM Limited
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 *
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 * Licensed under the Apache License, Version 2.0 (the "License");
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 * you may not use this file except in compliance with the License.
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 * You may obtain a copy of the License at
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 *
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 *     http://www.apache.org/licenses/LICENSE-2.0
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 *
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 * Unless required by applicable law or agreed to in writing, software
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 * distributed under the License is distributed on an "AS IS" BASIS,
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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 * See the License for the specific language governing permissions and
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 * limitations under the License.
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 */
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#ifndef MBED_FILESYSTEMHANDLE_H
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#define MBED_FILESYSTEMHANDLE_H
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#include "platform/platform.h"
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#include "platform/FileBase.h"
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#include "platform/FileHandle.h"
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#include "platform/DirHandle.h"
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#include "platform/NonCopyable.h"
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namespace mbed {
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/** \addtogroup platform */
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/** @{*/
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/**
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 * \defgroup platform_FileSystemHandle FileSystemHandle functions
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 * @{
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 */
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/** A filesystem-like object is one that can be used to open file-like
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 *  objects though it by fopen("/name/filename", mode)
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 *
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 *  Implementations must define at least open (the default definitions
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 *  of the rest of the functions just return error values).
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 *
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 * @note Synchronization level: Set by subclass
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 */
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class FileSystemHandle : private NonCopyable<FileSystemHandle> {
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public:
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    /** FileSystemHandle lifetime
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     */
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    virtual ~FileSystemHandle() {}
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    /** Open a file on the filesystem
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     *
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     *  @param file     Destination for the handle to a newly created file
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     *  @param filename The name of the file to open
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     *  @param flags    The flags to open the file in, one of O_RDONLY, O_WRONLY, O_RDWR,
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     *                  bitwise or'd with one of O_CREAT, O_TRUNC, O_APPEND
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     *  @return         0 on success, negative error code on failure
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     */
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    virtual int open(FileHandle **file, const char *filename, int flags) = 0;
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    /** Open a directory on the filesystem
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     *
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     *  @param dir      Destination for the handle to the directory
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     *  @param path     Name of the directory to open
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     *  @return         0 on success, negative error code on failure
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     */
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    virtual int open(DirHandle **dir, const char *path);
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    /** Remove a file from the filesystem.
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     *
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     *  @param path     The name of the file to remove.
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     *  @return         0 on success, negative error code on failure
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     */
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    virtual int remove(const char *path);
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    /** Rename a file in the filesystem.
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     *
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     *  @param path     The name of the file to rename.
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     *  @param newpath  The name to rename it to
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     *  @return         0 on success, negative error code on failure
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     */
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    virtual int rename(const char *path, const char *newpath);
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    /** Store information about the file in a stat structure
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     *
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     *  @param path     The name of the file to find information about
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     *  @param st       The stat buffer to write to
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     *  @return         0 on success, negative error code on failure
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     */
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    virtual int stat(const char *path, struct stat *st);
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    /** Create a directory in the filesystem.
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     *
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     *  @param path     The name of the directory to create.
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     *  @param mode     The permissions with which to create the directory
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     *  @return         0 on success, negative error code on failure
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     */
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    virtual int mkdir(const char *path, mode_t mode);
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    /** Store information about the mounted filesystem in a statvfs structure
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     *
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     *  @param path     The name of the file to find information about
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     *  @param buf      The stat buffer to write to
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     *  @return         0 on success, negative error code on failure
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     */
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     virtual int statvfs(const char *path, struct statvfs *buf);
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};
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/**@}*/
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/**@}*/
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} // namespace mbed
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#endif
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/** @}*/
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