mbed.org implementation of the abstract SmartREST library for the Cumulocity Platform SmartREST protocol.
Dependents: MbedSmartRestMain MbedSmartRestMain
NullValue.h
- Committer:
- Cumulocity
- Date:
- 2014-07-03
- Revision:
- 0:099f76422485
- Child:
- 11:e1bee9a77652
File content as of revision 0:099f76422485:
/* * NullValue.h * * Created on: Nov 1, 2013 * * Authors: Vincent Wochnik <v.wochnik@gmail.com> * * Copyright (c) 2013 Cumulocity GmbH * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef NULLVALUE_H #define NULLVALUE_H #include "config.h" #include "Value.h" /** * Represents a null value. * * Example: * @code * // You may use: * NullValue nullv; * // You should use whenever possible: * aNullValue; * @encode */ class NullValue : public Value { public: NullValue(); uint8_t valueType() const; long integerValue() const; double floatValue() const; char * characterValue() const; size_t write(AbstractDataSink&) const; size_t length() const; Value* copy() const; }; extern NullValue aNullValue; #endif