openvino/samples/cpp/common/format_reader/register.h

58 lines
1.2 KiB
C++

// Copyright (C) 2018-2021 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
//
/**
* \brief Register for readers
* \file register.h
*/
#pragma once
#include <format_reader.h>
#include <functional>
#include <string>
#include <vector>
namespace FormatReader {
/**
* \class Registry
* \brief Create reader from fabric
*/
class Registry {
private:
typedef std::function<Reader*(const std::string& filename)> CreatorFunction;
static std::vector<CreatorFunction> _data;
public:
/**
* \brief Create reader
* @param filename - path to input data
* @return Reader for input data or nullptr
*/
static Reader* CreateReader(const char* filename);
/**
* \brief Registers reader in fabric
* @param f - a creation function
*/
static void RegisterReader(CreatorFunction f);
};
/**
* \class Register
* \brief Registers reader in fabric
*/
template <typename To>
class Register {
public:
/**
* \brief Constructor creates creation function for fabric
* @return Register object
*/
Register() {
Registry::RegisterReader([](const std::string& filename) -> Reader* {
return new To(filename);
});
}
};
} // namespace FormatReader