Xinlei Cao / MbedSmartRest

Own fork of MbedSmartRest

Dependents:   MbedSmartRestMain MbedSmartRestMain

Fork of MbedSmartRest by Cumulocity Official

ComposedRecord.cpp@0:099f76422485, 2014-07-03 (annotated)

Committer:
Cumulocity
Date:
Thu Jul 03 20:38:04 2014 +0200
Revision:
0:099f76422485
Child:
4:059b8b90e0d9
Updated from revision 0413a0179eb6

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Cumulocity 0:099f76422485 1 /*
Cumulocity 0:099f76422485 2 * ComposedRecord.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 "ComposedRecord.h"
Cumulocity 0:099f76422485 30 #include "NullValue.h"
Cumulocity 0:099f76422485 31 #include <stdlib.h>
Cumulocity 0:099f76422485 32 #include <string.h>
Cumulocity 0:099f76422485 33
Cumulocity 0:099f76422485 34 ComposedRecord::ComposedRecord(bool copy)
Cumulocity 0:099f76422485 35 {
Cumulocity 0:099f76422485 36 _alloc = copy;
Cumulocity 0:099f76422485 37 #ifndef SMARTREST_COMPOSED_FIXED_SIZE
Cumulocity 0:099f76422485 38 _capacity = 0;
Cumulocity 0:099f76422485 39 _values = NULL;
Cumulocity 0:099f76422485 40 #endif
Cumulocity 0:099f76422485 41 _count = 0;
Cumulocity 0:099f76422485 42 }
Cumulocity 0:099f76422485 43
Cumulocity 0:099f76422485 44 ComposedRecord::~ComposedRecord()
Cumulocity 0:099f76422485 45 {
Cumulocity 0:099f76422485 46 if (_alloc) {
Cumulocity 0:099f76422485 47 for (size_t n = 0; n < _count; n++)
Cumulocity 0:099f76422485 48 delete _values[n];
Cumulocity 0:099f76422485 49 }
Cumulocity 0:099f76422485 50 #ifndef SMARTREST_COMPOSED_FIXED_SIZE
Cumulocity 0:099f76422485 51 if (_values != NULL)
Cumulocity 0:099f76422485 52 free(_values);
Cumulocity 0:099f76422485 53 #endif
Cumulocity 0:099f76422485 54 }
Cumulocity 0:099f76422485 55
Cumulocity 0:099f76422485 56 bool ComposedRecord::add(const Value& value)
Cumulocity 0:099f76422485 57 {
Cumulocity 0:099f76422485 58 #ifndef SMARTREST_COMPOSED_FIXED_SIZE
Cumulocity 0:099f76422485 59 if (_capacity == _count) {
Cumulocity 0:099f76422485 60 size_t capacity;
Cumulocity 0:099f76422485 61 if (_capacity == 0)
Cumulocity 0:099f76422485 62 capacity = SMARTREST_COMPOSED_INITIAL_CAPACITY;
Cumulocity 0:099f76422485 63 else
Cumulocity 0:099f76422485 64 capacity = _capacity + SMARTREST_COMPOSED_MEMORY_INCREMENT;
Cumulocity 0:099f76422485 65
Cumulocity 0:099f76422485 66 const Value **values = (const Value**)realloc(_values,
Cumulocity 0:099f76422485 67 capacity*sizeof(Value*));
Cumulocity 0:099f76422485 68 if (values == NULL)
Cumulocity 0:099f76422485 69 return false;
Cumulocity 0:099f76422485 70 _values = values;
Cumulocity 0:099f76422485 71 _capacity = capacity;
Cumulocity 0:099f76422485 72 }
Cumulocity 0:099f76422485 73 #else
Cumulocity 0:099f76422485 74 if (_count == SMARTREST_COMPOSED_FIXED_SIZE)
Cumulocity 0:099f76422485 75 return false;
Cumulocity 0:099f76422485 76 #endif
Cumulocity 0:099f76422485 77
Cumulocity 0:099f76422485 78 if (_alloc) {
Cumulocity 0:099f76422485 79 Value *copy = value.copy();
Cumulocity 0:099f76422485 80 if (copy == NULL)
Cumulocity 0:099f76422485 81 return false;
Cumulocity 0:099f76422485 82 _values[_count++] = copy;
Cumulocity 0:099f76422485 83 } else {
Cumulocity 0:099f76422485 84 _values[_count++] = &value;
Cumulocity 0:099f76422485 85 }
Cumulocity 0:099f76422485 86 return true;
Cumulocity 0:099f76422485 87 }
Cumulocity 0:099f76422485 88
Cumulocity 0:099f76422485 89 void ComposedRecord::clear()
Cumulocity 0:099f76422485 90 {
Cumulocity 0:099f76422485 91 if (_alloc) {
Cumulocity 0:099f76422485 92 for (size_t n = 0; n < _count; n++)
Cumulocity 0:099f76422485 93 delete _values[n];
Cumulocity 0:099f76422485 94 }
Cumulocity 0:099f76422485 95 _count = 0;
Cumulocity 0:099f76422485 96
Cumulocity 0:099f76422485 97 #ifndef SMARTREST_COMPOSED_FIXED_SIZE
Cumulocity 0:099f76422485 98 if (_values != NULL)
Cumulocity 0:099f76422485 99 free(_values);
Cumulocity 0:099f76422485 100 _values = NULL;
Cumulocity 0:099f76422485 101 _capacity = 0;
Cumulocity 0:099f76422485 102 #endif
Cumulocity 0:099f76422485 103 }
Cumulocity 0:099f76422485 104
Cumulocity 0:099f76422485 105 size_t ComposedRecord::values() const
Cumulocity 0:099f76422485 106 {
Cumulocity 0:099f76422485 107 return _count;
Cumulocity 0:099f76422485 108 }
Cumulocity 0:099f76422485 109
Cumulocity 0:099f76422485 110 const Value& ComposedRecord::value(size_t index) const
Cumulocity 0:099f76422485 111 {
Cumulocity 0:099f76422485 112 if (index >= _count)
Cumulocity 0:099f76422485 113 return aNullValue;
Cumulocity 0:099f76422485 114 return *_values[index];
Cumulocity 0:099f76422485 115 }
Cumulocity 0:099f76422485 116
Cumulocity 0:099f76422485 117 DataGenerator* ComposedRecord::copy() const
Cumulocity 0:099f76422485 118 {
Cumulocity 0:099f76422485 119 ComposedRecord *copy = new ComposedRecord(true);
Cumulocity 0:099f76422485 120 for (size_t n = 0; n < _count; n++)
Cumulocity 0:099f76422485 121 copy->add(*_values[n]);
Cumulocity 0:099f76422485 122 return copy;
Cumulocity 0:099f76422485 123 }
Cumulocity 0:099f76422485 124