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Diff: drivers/Stream.h
- Revision:
- 149:156823d33999
diff -r 21d94c44109e -r 156823d33999 drivers/Stream.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/Stream.h Fri Oct 28 11:17:30 2016 +0100 @@ -0,0 +1,76 @@ +/* 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 <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 lseek(off_t offset, int whence); + virtual int isatty(); + virtual int fsync(); + virtual off_t flen(); + + 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 + +/** @}*/