Context.hpp

// SPDX-FileCopyrightText: 2025 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 <span>
 
// Project includes
#include <dfx-utilities/CopyMoveControl.hpp>
#include <dfx-utilities/FileSystem.hpp>
 
typedef struct magic_set * magic_t;
 
namespace dfx::Magic
{
class Context
{
public:
    Context(int flags = -1, fs::path const & magicDb = {});
    Context(Context && other) noexcept;
    ~Context();
    DISABLE_COPY(Context);

    Context & operator=(Context && other) noexcept;
 
public:
    bool isReady() const noexcept { return _ctx != nullptr && _ready; }

    std::string lastError() const;
 
public:
    std::string get(int fd) const;

    std::string get(fs::path const & path) const;

    std::string get(std::span<uint8_t> const & data) const;
 
public:
    static int defaultFlags;
 
private:
    magic_t _ctx;
    bool _ready = false;
};
} // !namespace dfx::Magic