Own fork of MbedSmartRest
Dependents: MbedSmartRestMain MbedSmartRestMain
Fork of MbedSmartRest by
ParsedValue.cpp@0:099f76422485, 2014-07-03 (annotated)
- Committer:
- Cumulocity
- Date:
- Thu Jul 03 20:38:04 2014 +0200
- Revision:
- 0:099f76422485
- Child:
- 7:8159a2d12e4e
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 | * ParsedValue.cpp |
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 | #include "ParsedValue.h" |
Cumulocity | 0:099f76422485 | 30 | #include <stdlib.h> |
Cumulocity | 0:099f76422485 | 31 | #include <string.h> |
Cumulocity | 0:099f76422485 | 32 | #include <ctype.h> |
Cumulocity | 0:099f76422485 | 33 | #include <errno.h> |
Cumulocity | 0:099f76422485 | 34 | #include <math.h> |
Cumulocity | 0:099f76422485 | 35 | #include "NullValue.h" |
Cumulocity | 0:099f76422485 | 36 | #include "IntegerValue.h" |
Cumulocity | 0:099f76422485 | 37 | #include "FloatValue.h" |
Cumulocity | 0:099f76422485 | 38 | #include "CharValue.h" |
Cumulocity | 0:099f76422485 | 39 | |
Cumulocity | 0:099f76422485 | 40 | ParsedValue::ParsedValue(const char *str, bool copy) : _value(str, copy), _float(0.0), _digits(0), _zflag(false), _integer(0l) |
Cumulocity | 0:099f76422485 | 41 | { |
Cumulocity | 0:099f76422485 | 42 | if (_value.valueType() != VALUE_NULL) { |
Cumulocity | 0:099f76422485 | 43 | _type = VALUE_CHARACTER; |
Cumulocity | 0:099f76422485 | 44 | extractValue(); |
Cumulocity | 0:099f76422485 | 45 | } else { |
Cumulocity | 0:099f76422485 | 46 | _type = VALUE_NULL; |
Cumulocity | 0:099f76422485 | 47 | } |
Cumulocity | 0:099f76422485 | 48 | } |
Cumulocity | 0:099f76422485 | 49 | |
Cumulocity | 0:099f76422485 | 50 | uint8_t ParsedValue::valueType() const |
Cumulocity | 0:099f76422485 | 51 | { |
Cumulocity | 0:099f76422485 | 52 | return _type; |
Cumulocity | 0:099f76422485 | 53 | } |
Cumulocity | 0:099f76422485 | 54 | |
Cumulocity | 0:099f76422485 | 55 | long ParsedValue::integerValue() const |
Cumulocity | 0:099f76422485 | 56 | { |
Cumulocity | 0:099f76422485 | 57 | return _integer; |
Cumulocity | 0:099f76422485 | 58 | } |
Cumulocity | 0:099f76422485 | 59 | |
Cumulocity | 0:099f76422485 | 60 | double ParsedValue::floatValue() const |
Cumulocity | 0:099f76422485 | 61 | { |
Cumulocity | 0:099f76422485 | 62 | return _float; |
Cumulocity | 0:099f76422485 | 63 | } |
Cumulocity | 0:099f76422485 | 64 | |
Cumulocity | 0:099f76422485 | 65 | const char * ParsedValue::characterValue() const |
Cumulocity | 0:099f76422485 | 66 | { |
Cumulocity | 0:099f76422485 | 67 | if (_type != VALUE_CHARACTER) |
Cumulocity | 0:099f76422485 | 68 | return NULL; |
Cumulocity | 0:099f76422485 | 69 | return _value.characterValue(); |
Cumulocity | 0:099f76422485 | 70 | } |
Cumulocity | 0:099f76422485 | 71 | |
Cumulocity | 0:099f76422485 | 72 | size_t ParsedValue::write(AbstractDataSink& sink) const |
Cumulocity | 0:099f76422485 | 73 | { |
Cumulocity | 0:099f76422485 | 74 | return _value.write(sink); |
Cumulocity | 0:099f76422485 | 75 | } |
Cumulocity | 0:099f76422485 | 76 | |
Cumulocity | 0:099f76422485 | 77 | size_t ParsedValue::length() const |
Cumulocity | 0:099f76422485 | 78 | { |
Cumulocity | 0:099f76422485 | 79 | return _value.length(); |
Cumulocity | 0:099f76422485 | 80 | } |
Cumulocity | 0:099f76422485 | 81 | |
Cumulocity | 0:099f76422485 | 82 | Value* ParsedValue::copy() const |
Cumulocity | 0:099f76422485 | 83 | { |
Cumulocity | 0:099f76422485 | 84 | if (_type == VALUE_NULL) |
Cumulocity | 0:099f76422485 | 85 | return new NullValue(); |
Cumulocity | 0:099f76422485 | 86 | if (_type == VALUE_INTEGER) |
Cumulocity | 0:099f76422485 | 87 | return new IntegerValue(_integer); |
Cumulocity | 0:099f76422485 | 88 | if (_type == VALUE_FLOAT) |
Cumulocity | 0:099f76422485 | 89 | return new FloatValue(_float, _digits, _zflag); |
Cumulocity | 0:099f76422485 | 90 | return new CharValue(_value.characterValue(), true); |
Cumulocity | 0:099f76422485 | 91 | } |
Cumulocity | 0:099f76422485 | 92 | |
Cumulocity | 0:099f76422485 | 93 | void ParsedValue::extractValue() |
Cumulocity | 0:099f76422485 | 94 | { |
Cumulocity | 0:099f76422485 | 95 | const char *str; char *ptr, c; |
Cumulocity | 0:099f76422485 | 96 | bool floating = false, zflag = false, negative = false; |
Cumulocity | 0:099f76422485 | 97 | uint8_t digits = 0; |
Cumulocity | 0:099f76422485 | 98 | |
Cumulocity | 0:099f76422485 | 99 | str = _value.characterValue(); |
Cumulocity | 0:099f76422485 | 100 | |
Cumulocity | 0:099f76422485 | 101 | if (isspace(*str)) |
Cumulocity | 0:099f76422485 | 102 | return; |
Cumulocity | 0:099f76422485 | 103 | |
Cumulocity | 0:099f76422485 | 104 | // easy check for nan |
Cumulocity | 0:099f76422485 | 105 | if (strcmp(str, "nan") == 0) { |
Cumulocity | 0:099f76422485 | 106 | _float = NAN; |
Cumulocity | 0:099f76422485 | 107 | _type = VALUE_FLOAT; |
Cumulocity | 0:099f76422485 | 108 | return; |
Cumulocity | 0:099f76422485 | 109 | } |
Cumulocity | 0:099f76422485 | 110 | |
Cumulocity | 0:099f76422485 | 111 | if (*str == '-') { |
Cumulocity | 0:099f76422485 | 112 | negative = true; |
Cumulocity | 0:099f76422485 | 113 | str++; |
Cumulocity | 0:099f76422485 | 114 | } |
Cumulocity | 0:099f76422485 | 115 | |
Cumulocity | 0:099f76422485 | 116 | if (strcmp(str, "inf") == 0) { |
Cumulocity | 0:099f76422485 | 117 | _float = (negative) ? -INFINITY : INFINITY; |
Cumulocity | 0:099f76422485 | 118 | _type = VALUE_FLOAT; |
Cumulocity | 0:099f76422485 | 119 | return; |
Cumulocity | 0:099f76422485 | 120 | } |
Cumulocity | 0:099f76422485 | 121 | |
Cumulocity | 0:099f76422485 | 122 | for (ptr = (char*)str; (c = *ptr) != 0; ptr++) { |
Cumulocity | 0:099f76422485 | 123 | if (floating) { |
Cumulocity | 0:099f76422485 | 124 | if (!isdigit(c)) |
Cumulocity | 0:099f76422485 | 125 | return; |
Cumulocity | 0:099f76422485 | 126 | digits++; |
Cumulocity | 0:099f76422485 | 127 | } else { |
Cumulocity | 0:099f76422485 | 128 | if (c == '.') { |
Cumulocity | 0:099f76422485 | 129 | if (*(ptr+1) == '\0') |
Cumulocity | 0:099f76422485 | 130 | return; |
Cumulocity | 0:099f76422485 | 131 | floating = true; |
Cumulocity | 0:099f76422485 | 132 | } else if (isdigit(c)) { |
Cumulocity | 0:099f76422485 | 133 | _zflag = true; |
Cumulocity | 0:099f76422485 | 134 | } else { |
Cumulocity | 0:099f76422485 | 135 | return; |
Cumulocity | 0:099f76422485 | 136 | } |
Cumulocity | 0:099f76422485 | 137 | } |
Cumulocity | 0:099f76422485 | 138 | } |
Cumulocity | 0:099f76422485 | 139 | |
Cumulocity | 0:099f76422485 | 140 | if (floating) { |
Cumulocity | 0:099f76422485 | 141 | errno = 0; |
Cumulocity | 0:099f76422485 | 142 | if ((((_float = strtod(str, &ptr)) != 0.0) || (errno == 0)) && |
Cumulocity | 0:099f76422485 | 143 | (*ptr == '\0')) { |
Cumulocity | 0:099f76422485 | 144 | if (negative) |
Cumulocity | 0:099f76422485 | 145 | _float = -_float; |
Cumulocity | 0:099f76422485 | 146 | _zflag = zflag; |
Cumulocity | 0:099f76422485 | 147 | _digits = digits; |
Cumulocity | 0:099f76422485 | 148 | _type = VALUE_FLOAT; |
Cumulocity | 0:099f76422485 | 149 | } |
Cumulocity | 0:099f76422485 | 150 | } else { |
Cumulocity | 0:099f76422485 | 151 | errno = 0; |
Cumulocity | 0:099f76422485 | 152 | if ((((_integer = strtol(str, &ptr, 10)) != 0) || (errno == 0)) && |
Cumulocity | 0:099f76422485 | 153 | (*ptr == '\0')) { |
Cumulocity | 0:099f76422485 | 154 | if (negative) |
Cumulocity | 0:099f76422485 | 155 | _integer = -_integer; |
Cumulocity | 0:099f76422485 | 156 | _type = VALUE_INTEGER; |
Cumulocity | 0:099f76422485 | 157 | return; |
Cumulocity | 0:099f76422485 | 158 | } |
Cumulocity | 0:099f76422485 | 159 | } |
Cumulocity | 0:099f76422485 | 160 | } |