FileBase.h

00001 /* mbed Microcontroller Library
00002  * Copyright (c) 2006-2013 ARM Limited
00003  *
00004  * Licensed under the Apache License, Version 2.0 (the "License");
00005  * you may not use this file except in compliance with the License.
00006  * You may obtain a copy of the License at
00007  *
00008  *     http://www.apache.org/licenses/LICENSE-2.0
00009  *
00010  * Unless required by applicable law or agreed to in writing, software
00011  * distributed under the License is distributed on an "AS IS" BASIS,
00012  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  * See the License for the specific language governing permissions and
00014  * limitations under the License.
00015  */
00016 #ifndef MBED_FILEBASE_H
00017 #define MBED_FILEBASE_H
00018 
00019 typedef int FILEHANDLE;
00020 
00021 #include <cstdio>
00022 #include <cstring>
00023 
00024 #if defined(__ARMCC_VERSION) || defined(__ICCARM__)
00025 #    define O_RDONLY 0
00026 #    define O_WRONLY 1
00027 #    define O_RDWR   2
00028 #    define O_CREAT  0x0200
00029 #    define O_TRUNC  0x0400
00030 #    define O_APPEND 0x0008
00031 
00032 #    define NAME_MAX 255
00033 
00034 typedef int mode_t;
00035 typedef int ssize_t;
00036 typedef long off_t;
00037 
00038 #else
00039 #    include <sys/fcntl.h>
00040 #    include <sys/types.h>
00041 #    include <sys/syslimits.h>
00042 #endif
00043 
00044 #include "platform/platform.h"
00045 #include "platform/SingletonPtr.h"
00046 #include "platform/PlatformMutex.h"
00047 
00048 namespace mbed {
00049 /** \addtogroup drivers */
00050 /** @{*/
00051 
00052 typedef enum {
00053     FilePathType,
00054     FileSystemPathType
00055 } PathType;
00056 
00057 class FileBase {
00058 public:
00059     FileBase(const char *name, PathType t);
00060 
00061     virtual ~FileBase();
00062 
00063     const char* getName(void);
00064     PathType    getPathType(void);
00065 
00066     static FileBase *lookup(const char *name, unsigned int len);
00067 
00068     static FileBase *get(int n);
00069 
00070     /* disallow copy constructor and assignment operators */
00071 private:
00072     static FileBase *_head;
00073     static SingletonPtr<PlatformMutex>  _mutex;
00074 
00075     FileBase   *_next;
00076     const char * const _name;
00077     const PathType _path_type;
00078     FileBase(const FileBase&);
00079     FileBase & operator = (const FileBase&);
00080 };
00081 
00082 } // namespace mbed
00083 
00084 #endif
00085 
00086 /** @}*/