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| 1 | +/* |
| 2 | + Stream.h - base class for character-based streams. |
| 3 | + Copyright (c) 2010 David A. Mellis. All right reserved. |
| 4 | +
|
| 5 | + This library is free software; you can redistribute it and/or |
| 6 | + modify it under the terms of the GNU Lesser General Public |
| 7 | + License as published by the Free Software Foundation; either |
| 8 | + version 2.1 of the License, or (at your option) any later version. |
| 9 | +
|
| 10 | + This library is distributed in the hope that it will be useful, |
| 11 | + but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | + Lesser General Public License for more details. |
| 14 | +
|
| 15 | + You should have received a copy of the GNU Lesser General Public |
| 16 | + License along with this library; if not, write to the Free Software |
| 17 | + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 18 | +*/ |
| 19 | + |
| 20 | +#ifndef Stream_h |
| 21 | +#define Stream_h |
| 22 | + |
| 23 | +#include <inttypes.h> |
| 24 | +#include "Print.h" |
| 25 | + |
| 26 | +class Stream : public Print |
| 27 | +{ |
| 28 | + public: |
| 29 | + constexpr Stream() : _timeout(1000), read_error(0) {} |
| 30 | + virtual int available() = 0; |
| 31 | + virtual int read() = 0; |
| 32 | + virtual int peek() = 0; |
| 33 | + |
| 34 | + void setTimeout(unsigned long timeout); |
| 35 | + bool find(const char *target); |
| 36 | + bool find(const uint8_t *target) { return find ((const char *)target); } |
| 37 | + bool find(const String &target) { return find(target.c_str()); } |
| 38 | + bool find(const char *target, size_t length); |
| 39 | + bool find(const uint8_t *target, size_t length) { return find ((const char *)target, length); } |
| 40 | + bool find(const String &target, size_t length) { return find(target.c_str(), length); } |
| 41 | + bool findUntil(const char *target, const char *terminator); |
| 42 | + bool findUntil(const uint8_t *target, const char *terminator) { return findUntil((const char *)target, terminator); } |
| 43 | + bool findUntil(const String &target, const char *terminator) { return findUntil(target.c_str(), terminator); } |
| 44 | + bool findUntil(const char *target, const String &terminator) { return findUntil(target, terminator.c_str()); } |
| 45 | + bool findUntil(const String &target, const String &terminator) { return findUntil(target.c_str(), terminator.c_str()); } |
| 46 | + bool findUntil(const char *target, size_t targetLen, const char *terminate, size_t termLen); |
| 47 | + bool findUntil(const uint8_t *target, size_t targetLen, const char *terminate, size_t termLen) {return findUntil((const char *)target, targetLen, terminate, termLen); } |
| 48 | + bool findUntil(const String &target, size_t targetLen, const char *terminate, size_t termLen); |
| 49 | + bool findUntil(const char *target, size_t targetLen, const String &terminate, size_t termLen); |
| 50 | + bool findUntil(const String &target, size_t targetLen, const String &terminate, size_t termLen); |
| 51 | + long parseInt(); |
| 52 | + long parseInt(char skipChar); |
| 53 | + float parseFloat(); |
| 54 | + float parseFloat(char skipChar); |
| 55 | + size_t readBytes(char *buffer, size_t length); |
| 56 | + size_t readBytes(uint8_t *buffer, size_t length) { return readBytes((char *)buffer, length); } |
| 57 | + size_t readBytesUntil(char terminator, char *buffer, size_t length); |
| 58 | + size_t readBytesUntil(char terminator, uint8_t *buffer, size_t length) { return readBytesUntil(terminator, (char *)buffer, length); } |
| 59 | + String readString(size_t max = 120); |
| 60 | + String readStringUntil(char terminator, size_t max = 120); |
| 61 | + int getReadError() { return read_error; } |
| 62 | + void clearReadError() { setReadError(0); } |
| 63 | + protected: |
| 64 | + void setReadError(int err = 1) { read_error = err; } |
| 65 | + unsigned long _timeout; |
| 66 | + |
| 67 | + // KH |
| 68 | + int timedRead(); |
| 69 | + ////// |
| 70 | + |
| 71 | + private: |
| 72 | + char read_error; |
| 73 | + |
| 74 | + //int timedRead(); |
| 75 | + |
| 76 | + int timedPeek(); |
| 77 | + int peekNextDigit(); |
| 78 | +}; |
| 79 | + |
| 80 | +#endif |
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