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/* mbed Microcontroller Library
* Copyright (c) 2006-2013 ARM Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef MBED_STREAM_H
#define MBED_STREAM_H
#include "platform/platform.h"
#include "drivers/FileLike.h"
#include "drivers/FileHandle.h"
#include <cstdarg>
namespace mbed {
/** \addtogroup drivers */
/** @{*/
extern void mbed_set_unbuffered_stream(FILE *_file);
extern int mbed_getc(FILE *_file);
extern char* mbed_gets(char *s, int size, FILE *_file);
/** File stream
*
* @Note Synchronization level: Set by subclass
*/
class Stream : public FileLike {
public:
Stream(const char *name=NULL);
virtual ~Stream();
int putc(int c);
int puts(const char *s);
int getc();
char *gets(char *s, int size);
int printf(const char* format, ...);
int scanf(const char* format, ...);
int vprintf(const char* format, std::va_list args);
int vscanf(const char* format, std::va_list args);
operator std::FILE*() {return _file;}
protected:
virtual int close();
virtual ssize_t write(const void* buffer, size_t length);
virtual ssize_t read(void* buffer, size_t length);
virtual off_t seek(off_t offset, int whence);
virtual off_t tell();
virtual void rewind();
virtual int isatty();
virtual int sync();
virtual size_t size();
virtual int _putc(int c) = 0;
virtual int _getc() = 0;
std::FILE *_file;
/* disallow copy constructor and assignment operators */
private:
Stream(const Stream&);
Stream & operator = (const Stream&);
};
} // namespace mbed
#endif
/** @}*/
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