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Stream.h
00001 /* mbed Microcontroller Library 00002 * Copyright (c) 2006-2013 ARM Limited 00003 * 00004 * Licensed under the Apache License, Version 2.0 (the "License"); 00005 * you may not use this file except in compliance with the License. 00006 * You may obtain a copy of the License at 00007 * 00008 * http://www.apache.org/licenses/LICENSE-2.0 00009 * 00010 * Unless required by applicable law or agreed to in writing, software 00011 * distributed under the License is distributed on an "AS IS" BASIS, 00012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00013 * See the License for the specific language governing permissions and 00014 * limitations under the License. 00015 */ 00016 #ifndef MBED_STREAM_H 00017 #define MBED_STREAM_H 00018 00019 #include "platform.h" 00020 #include "FileLike.h" 00021 00022 namespace mbed { 00023 00024 extern void mbed_set_unbuffered_stream(FILE *_file); 00025 extern int mbed_getc(FILE *_file); 00026 extern char* mbed_gets(char *s, int size, FILE *_file); 00027 00028 class Stream : public FileLike { 00029 00030 public: 00031 Stream(const char *name=NULL); 00032 virtual ~Stream(); 00033 00034 int putc(int c); 00035 int puts(const char *s); 00036 int getc(); 00037 char *gets(char *s, int size); 00038 int printf(const char* format, ...); 00039 int scanf(const char* format, ...); 00040 00041 operator std::FILE*() {return _file;} 00042 00043 protected: 00044 virtual int close(); 00045 virtual ssize_t write(const void* buffer, size_t length); 00046 virtual ssize_t read(void* buffer, size_t length); 00047 virtual off_t lseek(off_t offset, int whence); 00048 virtual int isatty(); 00049 virtual int fsync(); 00050 virtual off_t flen(); 00051 00052 virtual int _putc(int c) = 0; 00053 virtual int _getc() = 0; 00054 00055 std::FILE *_file; 00056 00057 /* disallow copy constructor and assignment operators */ 00058 private: 00059 Stream(const Stream&); 00060 Stream & operator = (const Stream&); 00061 }; 00062 00063 } // namespace mbed 00064 00065 #endif
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