File content as of revision 11:e1bee9a77652:

/*
 * 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 <stdlib.h>
#include <string.h>


/*-------------------------------------------------------------------------*/
ComposedRecord::ComposedRecord(bool copy)
{
	_alloc = copy;
#ifndef SMARTREST_COMPOSED_FIXED_SIZE
	_capacity = 0;
	_values = NULL;
#endif
	_count = 0;
}
/*-------------------------------------------------------------------------*/
ComposedRecord::~ComposedRecord()
{
	if (_alloc)
	{
		for (size_t n = 0; n < _count; n++)
			delete _values[n];
	}
#ifndef SMARTREST_COMPOSED_FIXED_SIZE
	if (_values != NULL)
		free(_values);
#endif
}
/*-------------------------------------------------------------------------*/
bool ComposedRecord::add(const Value& value)
{
#ifndef SMARTREST_COMPOSED_FIXED_SIZE
	if (_capacity == _count)
	{
		size_t capacity;
		if (_capacity == 0)
			capacity = SMARTREST_COMPOSED_INITIAL_CAPACITY;
		else
			capacity = _capacity + SMARTREST_COMPOSED_MEMORY_INCREMENT;

		const Value **values = (const Value**)realloc(_values,
				capacity*sizeof(Value*));
		if (values == NULL)
			return false;
		_values = values;
		_capacity = capacity;
	}
#else
	if (_count == SMARTREST_COMPOSED_FIXED_SIZE)
		return false;
#endif

	if (_alloc)
	{
		Value *copy = value.copy();
		if (copy == NULL)
			return false;
		_values[_count++] = copy;
	}
	else
	{
		_values[_count++] = &value;
	}
	return true;
}
/*-------------------------------------------------------------------------*/
void ComposedRecord::clear()
{
	if (_alloc)
	{
		for (size_t n = 0; n < _count; n++)
			delete _values[n];
	}
	_count = 0;

#ifndef SMARTREST_COMPOSED_FIXED_SIZE
	if (_values != NULL)
		free(_values);
	_values = NULL;
	_capacity = 0;
#endif
}
/*-------------------------------------------------------------------------*/
size_t ComposedRecord::values() const
{
	return _count;
}
/*-------------------------------------------------------------------------*/
const Value& ComposedRecord::value(size_t index) const
{
	return *_values[index];
}
/*-------------------------------------------------------------------------*/
ComposedRecord* ComposedRecord::copy() const
{
	ComposedRecord *copy = new ComposedRecord(true);
	for (size_t n = 0; n < _count; n++)
		copy->add(*_values[n]);
	return copy;
}
/*-------------------------------------------------------------------------*/