Generic SmartRest library
Dependents: SmartRestUnitTest MbedSmartRest MbedSmartRestStreaming
Diff: ComposedRecord.cpp
- Revision:
- 0:744801d5734d
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ComposedRecord.cpp Mon Mar 24 09:57:40 2014 +0000 @@ -0,0 +1,116 @@ +/* + * ComposedRecord.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 "ComposedRecord.h" +#include "NullValue.h" +#include <stdlib.h> +#include <string.h> + +ComposedRecord::ComposedRecord(bool copy) +{ + _alloc = copy; + #ifndef COMPOSED_FIXED_SIZE + _capacity = COMPOSED_INITIAL_CAPACITY; + _values = (const Value**)malloc(_capacity*sizeof(Value*)); + #endif + _count = 0; +} + +ComposedRecord::~ComposedRecord() +{ + if (_alloc) { + for (size_t n = 0; n < _count; n++) + delete _values[n]; + } + #ifndef COMPOSED_FIXED_SIZE + free(_values); + #endif +} + +ComposedRecord& ComposedRecord::add(const Value& value) +{ + #ifndef COMPOSED_FIXED_SIZE + if (_capacity == _count) { + size_t capacity = _capacity + COMPOSED_MEMORY_INCREMENT; + const Value **values = (const Value**)realloc(_values, + capacity*sizeof(Value*)); + if (values == NULL) + return *this; + _values = values; + _capacity = capacity; + } + #else + if (_count == COMPOSED_FIXED_SIZE) + return *this; + #endif + + if (_alloc) { + Value *copy = value.copy(); + if (copy == NULL) + return *this; + _values[_count++] = copy; + } else { + _values[_count++] = &value; + } + return *this; +} + +void ComposedRecord::clear() +{ + _count = 0; + #ifndef COMPOSED_FIXED_SIZE + if (_capacity > COMPOSED_INITIAL_CAPACITY) { + Value** values = (Value**)realloc(_values, + COMPOSED_INITIAL_CAPACITY*sizeof(Value*)); + if (values == NULL) + return; + _capacity = COMPOSED_INITIAL_CAPACITY; + } + #endif +} + +size_t ComposedRecord::values() const +{ + return _count; +} + +const Value& ComposedRecord::value(size_t index) const +{ + if (index >= _count) + return aNullValue; + return *_values[index]; +} + +DataGenerator* ComposedRecord::copy() const +{ + ComposedRecord *copy = new ComposedRecord(true); + for (size_t n = 0; n < _count; n++) + copy->add(*_values[n]); + return copy; +} +