Stream.h

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