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/*
* Copyright (c) 2014, Ford Motor Company
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following
* disclaimer in the documentation and/or other materials provided with the
* distribution.
*
* Neither the name of the Ford Motor Company nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef SRC_COMPONENTS_SMART_OBJECTS_INCLUDE_SMART_OBJECTS_NUMBER_SCHEMA_ITEM_H_
#define SRC_COMPONENTS_SMART_OBJECTS_INCLUDE_SMART_OBJECTS_NUMBER_SCHEMA_ITEM_H_
#include <typeinfo>
#include <limits>
#include "smart_objects/default_shema_item.h"
#include "smart_objects/schema_item_parameter.h"
#include "utils/convert_utils.h"
#include "utils/helpers.h"
namespace ns_smart_device_link {
namespace ns_smart_objects {
/**
* @brief Number schema item.
* @tparam NumberType Number type.
**/
template <typename NumberType>
class TNumberSchemaItem : public CDefaultSchemaItem<NumberType> {
public:
/**
* @brief Create a new schema item.
* @param MinValue Minimum allowed value.
* @param MaxValue Maximum allowed value.
* @param DefaultValue Default value.
* @return Shared pointer to a new schema item.
**/
static std::shared_ptr<TNumberSchemaItem> create(
const TSchemaItemParameter<NumberType>& MinValue =
TSchemaItemParameter<NumberType>(),
const TSchemaItemParameter<NumberType>& MaxValue =
TSchemaItemParameter<NumberType>(),
const TSchemaItemParameter<NumberType>& DefaultValue =
TSchemaItemParameter<NumberType>());
/**
* @brief Validate smart object.
* @param Object Object to validate.
* @param report__ object for reporting errors during validation
* @param MessageVersion to check mobile RPC version against RPC Spec History
* @return ns_smart_objects::errors::eType
**/
errors::eType validate(const SmartObject& Object,
rpc::ValidationReport* report__,
const utils::SemanticVersion& MessageVersion =
utils::SemanticVersion()) OVERRIDE;
private:
/**
* @brief Get smart type for this NumberType.
* @return Smart type for this NumberType.
**/
SmartType getSmartType() const OVERRIDE;
NumberType getDefaultValue() const OVERRIDE;
/**
* @brief Constructor.
*
* @param MinValue Minimum allowed value.
* @param MaxValue Maximum allowed value.
* @param DefaultValue Default value.
**/
TNumberSchemaItem(const TSchemaItemParameter<NumberType>& MinValue,
const TSchemaItemParameter<NumberType>& MaxValue,
const TSchemaItemParameter<NumberType>& DefaultValue);
/**
* @brief Compares if param value type is correct
**/
bool isValidNumberType(SmartType type);
/**
* @brief Minimum and Maximum allowed values.
**/
const TSchemaItemParameter<NumberType> mMinValue;
const TSchemaItemParameter<NumberType> mMaxValue;
DISALLOW_COPY_AND_ASSIGN(TNumberSchemaItem);
};
template <typename NumberType>
std::shared_ptr<TNumberSchemaItem<NumberType> > TNumberSchemaItem<
NumberType>::create(const TSchemaItemParameter<NumberType>& MinValue,
const TSchemaItemParameter<NumberType>& MaxValue,
const TSchemaItemParameter<NumberType>& DefaultValue) {
return std::shared_ptr<TNumberSchemaItem<NumberType> >(
new TNumberSchemaItem<NumberType>(MinValue, MaxValue, DefaultValue));
}
template <typename NumberType>
bool TNumberSchemaItem<NumberType>::isValidNumberType(SmartType type) {
NumberType value(0);
if ((SmartType_Double == type) && (typeid(double) == typeid(value))) {
return true;
} else if (((SmartType_Integer == type) || (SmartType_UInteger == type)) &&
helpers::Compare<const std::type_info&, helpers::EQ, helpers::ONE>(
typeid(value),
typeid(int32_t),
typeid(uint32_t),
typeid(int64_t),
typeid(double))) {
return true;
}
return false;
}
template <typename NumberType>
errors::eType TNumberSchemaItem<NumberType>::validate(
const SmartObject& Object,
rpc::ValidationReport* report__,
const utils::SemanticVersion& MessageVersion) {
if (!isValidNumberType(Object.getType())) {
SmartType expectedType = (typeid(double) == typeid(Object.getType()))
? SmartType_Double
: SmartType_Integer;
std::string validation_info =
"Incorrect type, expected: " + SmartObject::typeToString(expectedType) +
", got: " + SmartObject::typeToString(Object.getType());
report__->set_validation_info(validation_info);
return errors::INVALID_VALUE;
}
NumberType value(0);
if (typeid(int32_t) == typeid(value)) {
value = utils::SafeStaticCast<int64_t, int32_t>(Object.asInt());
} else if (typeid(uint32_t) == typeid(value)) {
value = utils::SafeStaticCast<uint64_t, uint32_t>(Object.asUInt());
} else if (typeid(double) == typeid(value)) {
value = Object.asDouble();
} else if (typeid(int64_t) == typeid(value)) {
value = Object.asInt();
} else if (typeid(uint64_t) == typeid(value)) {
value = Object.asUInt();
} else {
NOTREACHED();
}
NumberType rangeLimit;
if (mMinValue.getValue(rangeLimit) && (value < rangeLimit)) {
std::stringstream stream;
stream << "Value too small, got: " << value
<< ", minimum allowed: " << rangeLimit;
std::string validation_info = stream.str();
report__->set_validation_info(validation_info);
return errors::OUT_OF_RANGE;
}
if (mMaxValue.getValue(rangeLimit) && (value > rangeLimit)) {
std::stringstream stream;
stream << "Value too large, got: " << value
<< ", maximum allowed: " << rangeLimit;
std::string validation_info = stream.str();
report__->set_validation_info(validation_info);
return errors::OUT_OF_RANGE;
}
return errors::OK;
}
template <typename NumberType>
TNumberSchemaItem<NumberType>::TNumberSchemaItem(
const TSchemaItemParameter<NumberType>& MinValue,
const TSchemaItemParameter<NumberType>& MaxValue,
const TSchemaItemParameter<NumberType>& DefaultValue)
: CDefaultSchemaItem<NumberType>(DefaultValue)
, mMinValue(MinValue)
, mMaxValue(MaxValue) {}
template <typename NumberType>
NumberType TNumberSchemaItem<NumberType>::getDefaultValue() const {
return NumberType(0);
}
/**
* @brief Specialization of getSmartType for number types.
* @return SmartType.
**/
template <typename NumberType>
SmartType TNumberSchemaItem<NumberType>::getSmartType() const {
DCHECK(!"Wrong type of template class");
return SmartType_Invalid;
}
template <>
SmartType TNumberSchemaItem<int32_t>::getSmartType() const;
template <>
SmartType TNumberSchemaItem<uint32_t>::getSmartType() const;
template <>
SmartType TNumberSchemaItem<int64_t>::getSmartType() const;
template <>
SmartType TNumberSchemaItem<double>::getSmartType() const;
} // namespace ns_smart_objects
} // namespace ns_smart_device_link
#endif // SRC_COMPONENTS_SMART_OBJECTS_INCLUDE_SMART_OBJECTS_NUMBER_SCHEMA_ITEM_H_
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