Xinlei Cao / MbedSmartRest

Own fork of MbedSmartRest

Dependents:   MbedSmartRestMain MbedSmartRestMain

Fork of MbedSmartRest by Cumulocity Official

CharValue.cpp@7:8159a2d12e4e, 2014-10-22 (annotated)

Committer:
Cumulocity
Date:
Wed Oct 22 16:17:22 2014 +0200
Revision:
7:8159a2d12e4e
Parent:
0:099f76422485
Child:
11:e1bee9a77652
Updated from revision aaae61ab8a05

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Cumulocity 0:099f76422485 1 /*
Cumulocity 0:099f76422485 2 * CharValue.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 "CharValue.h"
Cumulocity 0:099f76422485 30 #include "NullValue.h"
Cumulocity 0:099f76422485 31 #include <stdlib.h>
Cumulocity 0:099f76422485 32 #include <string.h>
Cumulocity 7:8159a2d12e4e 33 #include <ctype.h>
Cumulocity 0:099f76422485 34
Cumulocity 0:099f76422485 35 CharValue::CharValue(const char *str, bool copy)
Cumulocity 0:099f76422485 36 {
Cumulocity 0:099f76422485 37 if ((str == NULL) || (*str == '\0')) {
Cumulocity 0:099f76422485 38 _alloc = false;
Cumulocity 0:099f76422485 39 _str = NULL;
Cumulocity 0:099f76422485 40 } else {
Cumulocity 0:099f76422485 41 _alloc = copy;
Cumulocity 0:099f76422485 42 if (copy) {
Cumulocity 0:099f76422485 43 _str = (const char*)malloc(strlen(str)*sizeof(char));
Cumulocity 7:8159a2d12e4e 44 if (_str == NULL)
Cumulocity 7:8159a2d12e4e 45 return;
Cumulocity 0:099f76422485 46 strcpy((char*)_str, str);
Cumulocity 7:8159a2d12e4e 47 _escape = escapeCheck();
Cumulocity 0:099f76422485 48 } else {
Cumulocity 0:099f76422485 49 _str = str;
Cumulocity 7:8159a2d12e4e 50 _escape = escapeCheck();
Cumulocity 0:099f76422485 51 }
Cumulocity 0:099f76422485 52 }
Cumulocity 0:099f76422485 53 }
Cumulocity 0:099f76422485 54
Cumulocity 0:099f76422485 55 CharValue::~CharValue()
Cumulocity 0:099f76422485 56 {
Cumulocity 0:099f76422485 57 if (_alloc)
Cumulocity 0:099f76422485 58 free((void*)_str);
Cumulocity 0:099f76422485 59 }
Cumulocity 0:099f76422485 60
Cumulocity 0:099f76422485 61 uint8_t CharValue::valueType() const
Cumulocity 0:099f76422485 62 {
Cumulocity 0:099f76422485 63 if (_str == NULL)
Cumulocity 0:099f76422485 64 return VALUE_NULL;
Cumulocity 0:099f76422485 65 return VALUE_CHARACTER;
Cumulocity 0:099f76422485 66 }
Cumulocity 0:099f76422485 67
Cumulocity 0:099f76422485 68 long CharValue::integerValue() const
Cumulocity 0:099f76422485 69 {
Cumulocity 0:099f76422485 70 return 0;
Cumulocity 0:099f76422485 71 }
Cumulocity 0:099f76422485 72
Cumulocity 0:099f76422485 73 double CharValue::floatValue() const
Cumulocity 0:099f76422485 74 {
Cumulocity 0:099f76422485 75 return 0.0;
Cumulocity 0:099f76422485 76 }
Cumulocity 0:099f76422485 77
Cumulocity 0:099f76422485 78 const char * CharValue::characterValue() const
Cumulocity 0:099f76422485 79 {
Cumulocity 0:099f76422485 80 return _str;
Cumulocity 0:099f76422485 81 }
Cumulocity 0:099f76422485 82
Cumulocity 0:099f76422485 83 size_t CharValue::write(AbstractDataSink& sink) const
Cumulocity 0:099f76422485 84 {
Cumulocity 7:8159a2d12e4e 85 size_t n;
Cumulocity 7:8159a2d12e4e 86 const char *ptr; char c;
Cumulocity 7:8159a2d12e4e 87
Cumulocity 0:099f76422485 88 if (_str == NULL)
Cumulocity 0:099f76422485 89 return 0;
Cumulocity 7:8159a2d12e4e 90
Cumulocity 7:8159a2d12e4e 91 n = 0;
Cumulocity 7:8159a2d12e4e 92 if (_escape)
Cumulocity 7:8159a2d12e4e 93 n += sink.write('"');
Cumulocity 7:8159a2d12e4e 94
Cumulocity 7:8159a2d12e4e 95 for (ptr = _str; (c = *ptr) != '\0'; ptr++) {
Cumulocity 7:8159a2d12e4e 96 if ((_escape) && (c == '"'))
Cumulocity 0:099f76422485 97 n += sink.write('"');
Cumulocity 0:099f76422485 98 n += sink.write(c);
Cumulocity 0:099f76422485 99 }
Cumulocity 7:8159a2d12e4e 100
Cumulocity 7:8159a2d12e4e 101 if (_escape)
Cumulocity 7:8159a2d12e4e 102 n += sink.write('"');
Cumulocity 0:099f76422485 103 return n;
Cumulocity 0:099f76422485 104 }
Cumulocity 0:099f76422485 105
Cumulocity 0:099f76422485 106 size_t CharValue::length() const
Cumulocity 0:099f76422485 107 {
Cumulocity 7:8159a2d12e4e 108 size_t n;
Cumulocity 7:8159a2d12e4e 109 const char *ptr; char c;
Cumulocity 7:8159a2d12e4e 110
Cumulocity 0:099f76422485 111 if (_str == NULL)
Cumulocity 0:099f76422485 112 return 0;
Cumulocity 7:8159a2d12e4e 113
Cumulocity 7:8159a2d12e4e 114 n = 0;
Cumulocity 7:8159a2d12e4e 115 if (_escape)
Cumulocity 0:099f76422485 116 n += 2;
Cumulocity 7:8159a2d12e4e 117
Cumulocity 7:8159a2d12e4e 118 for (ptr = _str; (c = *ptr) != '\0'; ptr++) {
Cumulocity 7:8159a2d12e4e 119 if ((_escape) && (c == '"'))
Cumulocity 0:099f76422485 120 n++;
Cumulocity 0:099f76422485 121 n++;
Cumulocity 0:099f76422485 122 }
Cumulocity 7:8159a2d12e4e 123
Cumulocity 0:099f76422485 124 return n;
Cumulocity 0:099f76422485 125 }
Cumulocity 0:099f76422485 126
Cumulocity 0:099f76422485 127 Value* CharValue::copy() const
Cumulocity 0:099f76422485 128 {
Cumulocity 0:099f76422485 129 if (_str == NULL)
Cumulocity 0:099f76422485 130 return new NullValue();
Cumulocity 0:099f76422485 131 return new CharValue(_str, true);
Cumulocity 0:099f76422485 132 }
Cumulocity 0:099f76422485 133
Cumulocity 7:8159a2d12e4e 134 bool CharValue::escapeCheck()
Cumulocity 7:8159a2d12e4e 135 {
Cumulocity 7:8159a2d12e4e 136 const char *ptr; char c;
Cumulocity 7:8159a2d12e4e 137
Cumulocity 7:8159a2d12e4e 138 ptr = _str;
Cumulocity 7:8159a2d12e4e 139 while (*ptr != '\0') {
Cumulocity 7:8159a2d12e4e 140 c = *ptr;
Cumulocity 7:8159a2d12e4e 141 if ((isspace(c)) && ((ptr == _str) || (c != ' ')))
Cumulocity 7:8159a2d12e4e 142 return true;
Cumulocity 7:8159a2d12e4e 143 else if ((c == '"') || (c == ','))
Cumulocity 7:8159a2d12e4e 144 return true;
Cumulocity 7:8159a2d12e4e 145 ptr++;
Cumulocity 7:8159a2d12e4e 146 }
Cumulocity 7:8159a2d12e4e 147
Cumulocity 7:8159a2d12e4e 148 if (isspace(c))
Cumulocity 7:8159a2d12e4e 149 return true;
Cumulocity 7:8159a2d12e4e 150
Cumulocity 7:8159a2d12e4e 151 return false;
Cumulocity 7:8159a2d12e4e 152 }
Cumulocity 7:8159a2d12e4e 153