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/*M///////////////////////////////////////////////////////////////////////////////////////
//
// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
//
// By downloading, copying, installing or using the software you agree to this license.
// If you do not agree to this license, do not download, install,
// copy or use the software.
//
//
// License Agreement
// For Open Source Computer Vision Library
//
// Copyright (C) 2013, OpenCV Foundation, all rights reserved.
// Third party copyrights are property of their respective owners.
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
// * Redistribution's of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// * Redistribution's 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.
//
// * The name of the copyright holders may not 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 Intel Corporation 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.
//
//M*/
#ifndef __OPENCV_DNN_DNN_DICT_HPP__
#define __OPENCV_DNN_DNN_DICT_HPP__
#include <opencv2/core.hpp>
#include <map>
#include <ostream>
namespace cv
{
namespace dnn
{
//! @addtogroup dnn
//! @{
/** @brief This struct stores the scalar value (or array) of one of the following type: double, cv::String or int64.
* @todo Maybe int64 is useless because double type exactly stores at least 2^52 integers.
*/
struct DictValue
{
DictValue(const DictValue &r);
DictValue(int64 i = 0) : type(Param::INT), pi(new AutoBuffer<int64,1>) { (*pi)[0] = i; } //!< Constructs integer scalar
DictValue(int i) : type(Param::INT), pi(new AutoBuffer<int64,1>) { (*pi)[0] = i; } //!< Constructs integer scalar
DictValue(unsigned p) : type(Param::INT), pi(new AutoBuffer<int64,1>) { (*pi)[0] = p; } //!< Constructs integer scalar
DictValue(double p) : type(Param::REAL), pd(new AutoBuffer<double,1>) { (*pd)[0] = p; } //!< Constructs floating point scalar
DictValue(const String &s) : type(Param::STRING), ps(new AutoBuffer<String,1>) { (*ps)[0] = s; } //!< Constructs string scalar
DictValue(const char *s) : type(Param::STRING), ps(new AutoBuffer<String,1>) { (*ps)[0] = s; } //!< @overload
template<typename TypeIter>
static DictValue arrayInt(TypeIter begin, int size); //!< Constructs integer array
template<typename TypeIter>
static DictValue arrayReal(TypeIter begin, int size); //!< Constructs floating point array
template<typename TypeIter>
static DictValue arrayString(TypeIter begin, int size); //!< Constructs array of strings
template<typename T>
T get(int idx = -1) const; //!< Tries to convert array element with specified index to requested type and returns its.
int size() const;
bool isInt() const;
bool isString() const;
bool isReal() const;
DictValue &operator=(const DictValue &r);
friend std::ostream &operator<<(std::ostream &stream, const DictValue &dictv);
~DictValue();
private:
int type;
union
{
AutoBuffer<int64, 1> *pi;
AutoBuffer<double, 1> *pd;
AutoBuffer<String, 1> *ps;
void *pv;
};
DictValue(int _type, void *_p) : type(_type), pv(_p) {}
void release();
};
/** @brief This class implements name-value dictionary, values are instances of DictValue. */
class CV_EXPORTS Dict
{
typedef std::map<String, DictValue> _Dict;
_Dict dict;
public:
//! Checks a presence of the @p key in the dictionary.
bool has(const String &key) const;
//! If the @p key in the dictionary then returns pointer to its value, else returns NULL.
DictValue *ptr(const String &key);
//! If the @p key in the dictionary then returns its value, else an error will be generated.
const DictValue &get(const String &key) const;
/** @overload */
template <typename T>
T get(const String &key) const;
//! If the @p key in the dictionary then returns its value, else returns @p defaultValue.
template <typename T>
T get(const String &key, const T &defaultValue) const;
//! Sets new @p value for the @p key, or adds new key-value pair into the dictionary.
template<typename T>
const T &set(const String &key, const T &value);
friend std::ostream &operator<<(std::ostream &stream, const Dict &dict);
};
//! @}
}
}
#endif
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