/*
 * Project: MoleCuilder
 * Description: creates and alters molecular systems
 * Copyright (C)  2010-2012 University of Bonn. All rights reserved.
 * Please see the LICENSE file or "Copyright notice" in builder.cpp for details.
 */

/*
 * StringParameter.cpp
 *
 *  Created on: Sep 30, 2011
 *      Author: heber
 */

// include config.h
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include "CodePatterns/MemDebug.hpp"

#include <string>

#include "CodePatterns/Assert.hpp"

#include "StringParameter.hpp"

/** Constructor for class StringParameter.
 *
 * @param _name name of this parameter
 */
StringParameter::StringParameter(const std::string &_name) :
  Parameter(_name),
  ValueSet(false)
{}

/** Constructor for class StringParameter.
 *
 * @param _name name of this parameter
 * @param _value value of this parameter
 */
StringParameter::StringParameter(const std::string &_name, const std::string &_value) :
  Parameter(_name),
  ValueSet(true),
  value(_value)
{}

/** Destructor of class StringParameter.
 *
 */
StringParameter::~StringParameter()
{}

/** Compare function for class StringParameter.
 *
 * @param _instance instance to compare to
 * @return true - both have the same \a StringParameter::value, false - else
 */
bool StringParameter::operator==(const StringParameter &_instance) const
{
  bool status = true;
  status = status && (ValueSet == _instance.ValueSet);
  if (ValueSet && _instance.ValueSet)
    status = status && (value == _instance.value);
  status = status && (Parameter::getName() == _instance.Parameter::getName());
  return status;
}

/** Implementation of clone function.
 *
 * @return copy of this instance with same value
 */
Parameter* StringParameter::clone() const
{
  StringParameter *instance = new StringParameter(Parameter::getName(), get());
  return instance;
}

/** ValueInterface function implementation whether value is valid.
 *
 * \note we always return true as there is no invalid string
 *
 * @param _value value to test
 * @return true
 */
bool StringParameter::isValid(const std::string _value) const
{
  return true;
}

/** Getter for \a value.
 *
 * @return value
 */
const std::string StringParameter::get() const
{
  ASSERT(ValueSet,
      "");
  return value;
}

/** Setter for \a value.
 *
 * @param _value value to set to
 */
void StringParameter::set(const std::string _value)
{
  value = _value;
  ValueSet = true;
}