mbed.org implementation of the abstract SmartREST library for the Cumulocity Platform SmartREST protocol.
Dependents: MbedSmartRestMain MbedSmartRestMain
FloatValue.h@0:099f76422485, 2014-07-03 (annotated)
- Committer:
- Cumulocity
- Date:
- Thu Jul 03 20:38:04 2014 +0200
- Revision:
- 0:099f76422485
- Child:
- 5:2b74510900da
Updated from revision 0413a0179eb6
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Cumulocity | 0:099f76422485 | 1 | /* |
Cumulocity | 0:099f76422485 | 2 | * FloatValue.h |
Cumulocity | 0:099f76422485 | 3 | * |
Cumulocity | 0:099f76422485 | 4 | * Created on: Nov 1, 2013 |
Cumulocity | 0:099f76422485 | 5 | * * Authors: Vincent Wochnik <v.wochnik@gmail.com> |
Cumulocity | 0:099f76422485 | 6 | * |
Cumulocity | 0:099f76422485 | 7 | * Copyright (c) 2013 Cumulocity GmbH |
Cumulocity | 0:099f76422485 | 8 | * |
Cumulocity | 0:099f76422485 | 9 | * Permission is hereby granted, free of charge, to any person obtaining |
Cumulocity | 0:099f76422485 | 10 | * a copy of this software and associated documentation files (the |
Cumulocity | 0:099f76422485 | 11 | * "Software"), to deal in the Software without restriction, including |
Cumulocity | 0:099f76422485 | 12 | * without limitation the rights to use, copy, modify, merge, publish, |
Cumulocity | 0:099f76422485 | 13 | * distribute, sublicense, and/or sell copies of the Software, and to |
Cumulocity | 0:099f76422485 | 14 | * permit persons to whom the Software is furnished to do so, subject to |
Cumulocity | 0:099f76422485 | 15 | * the following conditions: |
Cumulocity | 0:099f76422485 | 16 | * |
Cumulocity | 0:099f76422485 | 17 | * The above copyright notice and this permission notice shall be |
Cumulocity | 0:099f76422485 | 18 | * included in all copies or substantial portions of the Software. |
Cumulocity | 0:099f76422485 | 19 | * |
Cumulocity | 0:099f76422485 | 20 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
Cumulocity | 0:099f76422485 | 21 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
Cumulocity | 0:099f76422485 | 22 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
Cumulocity | 0:099f76422485 | 23 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
Cumulocity | 0:099f76422485 | 24 | * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
Cumulocity | 0:099f76422485 | 25 | * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
Cumulocity | 0:099f76422485 | 26 | * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
Cumulocity | 0:099f76422485 | 27 | */ |
Cumulocity | 0:099f76422485 | 28 | |
Cumulocity | 0:099f76422485 | 29 | #ifndef FLOATVALUE_H |
Cumulocity | 0:099f76422485 | 30 | #define FLOATVALUE_H |
Cumulocity | 0:099f76422485 | 31 | |
Cumulocity | 0:099f76422485 | 32 | #include "config.h" |
Cumulocity | 0:099f76422485 | 33 | #include <stdint.h> |
Cumulocity | 0:099f76422485 | 34 | #include "Value.h" |
Cumulocity | 0:099f76422485 | 35 | |
Cumulocity | 0:099f76422485 | 36 | #define SMARTREST_FLOATVALUE_DETECTPREC 255 |
Cumulocity | 0:099f76422485 | 37 | |
Cumulocity | 0:099f76422485 | 38 | /** |
Cumulocity | 0:099f76422485 | 39 | * A floating-point value. |
Cumulocity | 0:099f76422485 | 40 | * |
Cumulocity | 0:099f76422485 | 41 | * Example: |
Cumulocity | 0:099f76422485 | 42 | * @code |
Cumulocity | 0:099f76422485 | 43 | * // decleration // serialized form |
Cumulocity | 0:099f76422485 | 44 | * FloatValue val1(3.1415, 2); // 3.14 |
Cumulocity | 0:099f76422485 | 45 | * FloatValue val2(3.1234, 0); // 3 |
Cumulocity | 0:099f76422485 | 46 | * FloatValue val3(3.95, 0); // 4 |
Cumulocity | 0:099f76422485 | 47 | * FloatValue val4(0.55, 1, false); // .5 |
Cumulocity | 0:099f76422485 | 48 | * FloatValue val4(0.55, 2, true); // 0.55 |
Cumulocity | 0:099f76422485 | 49 | * @encode |
Cumulocity | 0:099f76422485 | 50 | */ |
Cumulocity | 0:099f76422485 | 51 | class FloatValue : public Value |
Cumulocity | 0:099f76422485 | 52 | { |
Cumulocity | 0:099f76422485 | 53 | public: |
Cumulocity | 0:099f76422485 | 54 | /** |
Cumulocity | 0:099f76422485 | 55 | * Creates a new instance of a floating-point value. |
Cumulocity | 0:099f76422485 | 56 | * @param number the floating-point number |
Cumulocity | 0:099f76422485 | 57 | * @param digits precision in number of digits |
Cumulocity | 0:099f76422485 | 58 | * @param zflag whether to write a zero before the floating point |
Cumulocity | 0:099f76422485 | 59 | */ |
Cumulocity | 0:099f76422485 | 60 | FloatValue(double, uint8_t=SMARTREST_FLOATVALUE_DETECTPREC, bool=true); |
Cumulocity | 0:099f76422485 | 61 | |
Cumulocity | 0:099f76422485 | 62 | uint8_t valueType() const; |
Cumulocity | 0:099f76422485 | 63 | long integerValue() const; |
Cumulocity | 0:099f76422485 | 64 | double floatValue() const; |
Cumulocity | 0:099f76422485 | 65 | const char * characterValue() const; |
Cumulocity | 0:099f76422485 | 66 | |
Cumulocity | 0:099f76422485 | 67 | size_t write(AbstractDataSink&) const; |
Cumulocity | 0:099f76422485 | 68 | size_t length() const; |
Cumulocity | 0:099f76422485 | 69 | Value* copy() const; |
Cumulocity | 0:099f76422485 | 70 | |
Cumulocity | 0:099f76422485 | 71 | protected: |
Cumulocity | 0:099f76422485 | 72 | uint8_t detectPrecision(double); |
Cumulocity | 0:099f76422485 | 73 | |
Cumulocity | 0:099f76422485 | 74 | private: |
Cumulocity | 0:099f76422485 | 75 | double _number; |
Cumulocity | 0:099f76422485 | 76 | bool _negative; |
Cumulocity | 0:099f76422485 | 77 | uint8_t _digits; |
Cumulocity | 0:099f76422485 | 78 | bool _zflag; |
Cumulocity | 0:099f76422485 | 79 | }; |
Cumulocity | 0:099f76422485 | 80 | |
Cumulocity | 0:099f76422485 | 81 | #endif |