ConnectionValidator.hpp

// SPDX-FileCopyrightText: 2026 Vincent Leroy
// SPDX-License-Identifier: MIT
//
// This file is part of dfx.
//
// Licensed under the MIT License. See the LICENSE file in the project root
// for full license information.
 
#pragma once
 
// Standard includes
#include <expected>
#include <string>
#include <vector>

 
namespace dfx::Core
{
class OutputPort;
class InputPort;
} // !namespace dfx::Core
 
namespace dfx::Graph
{
template<typename T>
struct [[nodiscard]] ValidationResult : std::expected<T, std::vector<std::string>>
{ using std::expected<T, std::vector<std::string>>::expected; };

class ConnectionValidator
{
public:
    bool isVerificationEnabled() const noexcept { return _enabled; }

    void setChannelVerification(bool enabled) { _enabled = enabled; }
 
public:
    ValidationResult<void> checkConnection(Core::OutputPort const & src, Core::InputPort const & dst,
                                           std::size_t errorLimit = 0);
 
private:
    bool _enabled = true;
};
} // !namespace dfx::Graph