Stream.h

00001 /* mbed Microcontroller Library - Stream
00002  * Copyright (c) 2007-2009 ARM Limited. All rights reserved.
00003  * sford
00004  */ 
00005  
00006 #ifndef MBED_STREAM_H
00007 #define MBED_STREAM_H
00008 
00009 #include "FileLike.h"
00010 #include "platform.h"
00011 #include <cstdio>
00012 
00013 namespace mbed {
00014 
00015 class Stream : public FileLike {
00016 
00017 public:
00018     
00019     Stream(const char *name = NULL);
00020     virtual ~Stream();
00021 
00022     int putc(int c) {
00023         fflush(_file);
00024         return std::fputc(c, _file); 
00025     }
00026     int puts(const char *s) {
00027         fflush(_file);
00028         return std::fputs(s, _file); 
00029     }
00030     int getc() {
00031         fflush(_file);
00032         return std::fgetc(_file);
00033     }
00034     char *gets(char *s, int size) {
00035         fflush(_file);
00036         return std::fgets(s,size,_file);;
00037     }
00038     int printf(const char* format, ...);
00039     int scanf(const char* format, ...);
00040     
00041     operator std::FILE*() { return _file; }
00042 
00043 #ifdef MBED_RPC
00044     virtual const struct rpc_method *get_rpc_methods();
00045 #endif
00046 
00047 protected:
00048 
00049     virtual int close();
00050     virtual ssize_t write(const void* buffer, size_t length);
00051     virtual ssize_t read(void* buffer, size_t length);
00052     virtual off_t lseek(off_t offset, int whence);
00053     virtual int isatty();
00054     virtual int fsync();
00055     virtual off_t flen();
00056 
00057     virtual int _putc(int c) = 0;
00058     virtual int _getc() = 0;
00059     
00060     std::FILE *_file;
00061     
00062 };
00063 
00064 } // namespace mbed
00065 
00066 #endif
00067