Diff: HardwareDrivers/mbed/FileHandle.h

Revision:

11:9366140ebe5f

Parent:

10:372c882b5533

Child:

12:72e0c404017a

--- a/HardwareDrivers/mbed/FileHandle.h	Sun Mar 02 18:15:47 2014 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,115 +0,0 @@
-/* mbed Microcontroller Library - FileHandler
- * Copyright (c) 2007-2009 ARM Limited. All rights reserved.
- * sford
- */ 
- 
-#ifndef MBED_FILEHANDLE_H
-#define MBED_FILEHANDLE_H
-
-typedef int FILEHANDLE;
-
-#include <stdio.h>
-#ifdef __ARMCC_VERSION
-typedef int ssize_t;
-typedef long off_t;
-#else
-#include <sys/types.h>
-#endif
-
-namespace mbed { 
-
-/* Class FileHandle
- *  An OO equivalent of the internal FILEHANDLE variable
- *  and associated _sys_* functions
- *
- * FileHandle is an abstract class, needing at least sys_write and
- * sys_read to be implmented for a simple interactive device
- *
- * No one ever directly tals to/instanciates a FileHandle - it gets 
- * created by FileSystem, and wrapped up by stdio
- */
-class FileHandle {
-
-public:
-
-    /* Function write
-     *  Write the contents of a buffer to the file
-     *
-     * Parameters
-     *  buffer - the buffer to write from
-     *  length - the number of characters to write
-     *
-     * Returns
-     *  The number of characters written (possibly 0) on success, -1 on error.
-     */
-    virtual ssize_t write(const void* buffer, size_t length) = 0;
-
-    /* Function close
-     *  Close the file
-     *
-     * Returns
-     *  Zero on success, -1 on error.
-     */
-    virtual int close() = 0;
-
-    /* Function read
-     *  Reads the contents of the file into a buffer
-     *
-     * Parameters
-     *  buffer - the buffer to read in to
-     *  length - the number of characters to read
-     *
-     * Returns
-     *  The number of characters read (zero at end of file) on success, -1 on error.
-     */
-    virtual ssize_t read(void* buffer, size_t length) = 0;
-
-    /* Function isatty
-     *  Check if the handle is for a interactive terminal device 
-     *
-     * If so, line buffered behaviour is used by default
-     *
-     * Returns
-     *  1 if it is a terminal, 0 otherwise
-     */
-    virtual int isatty() = 0 ;
-
-    /* Function lseek
-     *  Move the file position to a given offset from a given location.
-     *
-     * Parameters
-     *  offset - The offset from whence to move to
-     *  whence - SEEK_SET for the start of the file, SEEK_CUR for the
-     *   current file position, or SEEK_END for the end of the file.
-     *
-     * Returns
-     *  New file position on success, -1 on failure or unsupported
-     */
-    virtual off_t lseek(off_t offset, int whence) = 0;
-
-    /* Function fsync
-     *  Flush any buffers associated with the FileHandle, ensuring it
-     *  is up to date on disk
-     *
-     * Returns
-     *  0 on success or un-needed, -1 on error
-     */
-    virtual int fsync() = 0;
-
-    virtual off_t flen() {
-        /* remember our current position */
-        off_t pos = lseek(0, SEEK_CUR);
-        if(pos == -1) return -1;
-        /* seek to the end to get the file length */
-        off_t res = lseek(0, SEEK_END);
-        /* return to our old position */
-        lseek(pos, SEEK_SET);
-        return res;
-    }
-
-};
-
-} // namespace mbed
-
-#endif
-