Library.h

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// Copyright 2024 libsese
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//    http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
 
#pragma once
 
#include "sese/Config.h"
#include "sese/system/Path.h"
#include "sese/util/ErrorCode.h"
#include "sese/util/Result.h"
 
#ifdef _WIN32
#pragma warning(disable : 4624)
#endif
 
namespace sese::system {
 
class Library {
public:
    using Ptr = std::unique_ptr<Library>;
#ifdef _WIN32
#else
    using Module = void *;
#endif
    static Ptr create(const std::string &name) noexcept;
 
    static Result<Ptr, ErrorCode> createEx(const std::string &name) noexcept;
 
    static Ptr createWithPath(const Path &path) noexcept;
 
    ~Library() noexcept;
 
    [[nodiscard]] const void *findFunctionByName(const std::string &name) const;
 
    template<typename T>
    [[nodiscard]] T *findFunctionByNameAs(const std::string &name) const {
        return (T *)findFunctionByName(name); // NOLINT
    }
 
private:
    class Impl;
    explicit Library(std::unique_ptr<Impl> impl) noexcept;
    std::unique_ptr<Impl> impl;
};
 
} // namespace sese::system