Generic SmartRest library
Dependents: SmartRestUnitTest MbedSmartRest MbedSmartRestStreaming
ParsedValue.cpp
- Committer:
- vwochnik
- Date:
- 2014-03-24
- Revision:
- 0:744801d5734d
File content as of revision 0:744801d5734d:
/* * ParsedValue.cpp * * 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. */ #include "ParsedValue.h" #include "NullValue.h" #include "IntegerValue.h" #include "FloatValue.h" #include "CharValue.h" #include <stdio.h> #include <string.h> #include <ctype.h> ParsedValue::ParsedValue(const char *str, bool copy) : _value(str, copy) { if (_value.valueType() != VALUE_NULL) { _type = VALUE_CHARACTER; extractValue(); } else { _type = VALUE_NULL; } } uint8_t ParsedValue::valueType() const { return _type; } long ParsedValue::integerValue() const { if (_type != VALUE_INTEGER) return 0; return _integer; } double ParsedValue::floatValue() const { if (_type != VALUE_FLOAT) return 0.0; return _float; } const char * ParsedValue::characterValue() const { if (_type != VALUE_CHARACTER) return NULL; return _value.characterValue(); } size_t ParsedValue::write(AbstractDataSink& sink) const { return _value.write(sink); } size_t ParsedValue::length() const { return _value.length(); } Value* ParsedValue::copy() const { if (_type == VALUE_NULL) return new NullValue(); if (_type == VALUE_INTEGER) return new IntegerValue(_integer); if (_type == VALUE_FLOAT) return new FloatValue(_float, _digits, _zflag); return new CharValue(_value.characterValue(), true); } void ParsedValue::extractValue() { int len; const char *str = _value.characterValue(); sscanf(str, "%li%n", &_integer, &len); if ((size_t)len == strlen(str)) { _type = VALUE_INTEGER; return; } sscanf(str, "%lf%n", &_float, &len); if ((size_t)len == strlen(str)) { bool floating = false; _digits = 0; _zflag = false; for (char c, *ptr = (char*)str; (c = *ptr) > 0; ptr++) { if (floating) { if (c == '.') return; _digits++; } else { if (c == '.') floating = true; else if (isdigit(c)) _zflag = true; } } if (!((floating) && (!_digits))) { _type = VALUE_FLOAT; return; } } }