mbed.org implementation of the abstract SmartREST library for the Cumulocity Platform SmartREST protocol.

Dependents:   MbedSmartRestMain MbedSmartRestMain

Committer:
Cumulocity
Date:
Sat Nov 15 12:21:41 2014 +0100
Revision:
13:aba98ad2ac1b
Parent:
11:e1bee9a77652
Updated from revision 0b898f0efc6d

Who changed what in which revision?

UserRevisionLine numberNew 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 11:e1bee9a77652 53 public:
Cumulocity 11:e1bee9a77652 54 /**
Cumulocity 11:e1bee9a77652 55 * Creates a new instance of a floating-point value.
Cumulocity 11:e1bee9a77652 56 * @param number the floating-point number
Cumulocity 11:e1bee9a77652 57 * @param digits precision in number of digits
Cumulocity 11:e1bee9a77652 58 * @param zflag whether to write a zero before the floating point
Cumulocity 11:e1bee9a77652 59 */
Cumulocity 11:e1bee9a77652 60 FloatValue(double, uint8_t = SMARTREST_FLOATVALUE_DETECTPREC, bool = true);
Cumulocity 0:099f76422485 61
Cumulocity 11:e1bee9a77652 62 uint8_t valueType() const;
Cumulocity 11:e1bee9a77652 63 long integerValue() const;
Cumulocity 11:e1bee9a77652 64 double floatValue() const;
Cumulocity 11:e1bee9a77652 65 const char * characterValue() const;
Cumulocity 0:099f76422485 66
Cumulocity 11:e1bee9a77652 67 size_t write(AbstractDataSink&) const;
Cumulocity 11:e1bee9a77652 68 size_t length() const;
Cumulocity 11:e1bee9a77652 69 Value* copy() const;
Cumulocity 0:099f76422485 70
Cumulocity 11:e1bee9a77652 71 protected:
Cumulocity 11:e1bee9a77652 72 uint8_t detectPrecision(double);
Cumulocity 0:099f76422485 73
Cumulocity 11:e1bee9a77652 74 private:
Cumulocity 11:e1bee9a77652 75 double _number;
Cumulocity 11:e1bee9a77652 76 bool _negative;
Cumulocity 11:e1bee9a77652 77 uint8_t _digits;
Cumulocity 11:e1bee9a77652 78 bool _zflag;
Cumulocity 0:099f76422485 79 };
Cumulocity 0:099f76422485 80
Cumulocity 0:099f76422485 81 #endif