mirror of https://github.com/ARMmbed/mbed-os.git
				
				
				
			
		
			
				
	
	
		
			92 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C++
		
	
	
			
		
		
	
	
			92 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C++
		
	
	
/* mbed Microcontroller Library
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 * Copyright (c) 2006-2019 ARM Limited
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 * SPDX-License-Identifier: Apache-2.0
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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_FILESYSTEMLIKE_H
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#define MBED_FILESYSTEMLIKE_H
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#include "platform/platform.h"
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#include "platform/FileBase.h"
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#include "platform/FileSystemHandle.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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/**
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 * \defgroup platform_FileSystemLike FileSystemLike functions
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 * \ingroup platform-public-api-file
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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 FileSystemLike : public FileSystemHandle, public FileBase, private NonCopyable<FileSystemLike> {
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public:
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    /** FileSystemLike lifetime
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     */
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    FileSystemLike(const char *name = NULL) : FileBase(name, FileSystemPathType) {}
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    virtual ~FileSystemLike() {}
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    // Inherited functions with name conflicts
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    using FileSystemHandle::open;
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    /** Open a file on the filesystem
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     *
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     *  @param path     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         A file handle on success, NULL on failure
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     *  @deprecated Replaced by `int open(FileHandle **, ...)` for propagating error codes
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     */
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    MBED_DEPRECATED_SINCE("mbed-os-5.5",
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                          "Replaced by `int open(FileHandle **, ...)` for propagating error codes")
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    FileHandle *open(const char *path, int flags)
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    {
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        FileHandle *file;
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        int err = open(&file, path, flags);
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        return err ? NULL : file;
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    }
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    /** Open a directory on the filesystem
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     *
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     *  @param path     Name of the directory to open
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     *  @return         A directory handle on success, NULL on failure
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     *  @deprecated Replaced by `int open(DirHandle **, ...)` for propagating error codes
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     */
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    MBED_DEPRECATED_SINCE("mbed-os-5.5",
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                          "Replaced by `int open(DirHandle **, ...)` for propagating error codes")
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    DirHandle *opendir(const char *path)
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    {
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        DirHandle *dir;
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        int err = open(&dir, path);
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        return err ? NULL : dir;
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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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