IStateIOPlugin.hpp

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// SPDX-License-Identifier: Apache-2.0
//
// Copyright 2026 Caleb Buahin
//
// 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.

 
#ifndef OPENSWMM_ISTATE_IO_PLUGIN_HPP
#define OPENSWMM_ISTATE_IO_PLUGIN_HPP
 
#include <string>
#include <vector>
#include "PluginState.hpp"
 
namespace openswmm {
 
struct SimulationContext;
class IPluginComponentInfo;

class IStateIOPlugin {
public:
    virtual ~IStateIOPlugin() = default;

    virtual PluginState state() const noexcept = 0;

    virtual int initialize(
        const std::vector<std::string>& init_args,
        const IPluginComponentInfo* info
    ) = 0;

    virtual int validate(const SimulationContext& ctx) = 0;

    virtual bool can_read(const std::string& path) const { return false; }

    virtual int read_state(const std::string& path, SimulationContext& ctx) = 0;

    virtual int write_state(const std::string& path, const SimulationContext& ctx) = 0;

    virtual std::vector<std::string> warnings() const { return {}; }

    virtual int finalize(const SimulationContext& ctx) = 0;

    virtual const char* last_error_message() const noexcept { return ""; }
};
 
} /* namespace openswmm */
 
#endif /* OPENSWMM_ISTATE_IO_PLUGIN_HPP */