// SPDX-License-Identifier: MIT
#ifndef MULTIPLEXING_H
#define MULTIPLEXING_H

#include <cstdint>
#include <string>
#include <vector>

/** @brief Signal participation in multiplexing. */
enum class MultiplexRole {
    Unconditional,
    Selector,
    Branch,
    BranchSelector
};

/** @brief Inclusive raw selector range, without expanding individual values. */
struct MultiplexRange {
    std::uint64_t minimum = 0U;
    std::uint64_t maximum = 0U;
};

/** @brief Basic markers and optional explicit extended multiplexing condition. */
struct Multiplexing {
    MultiplexRole role = MultiplexRole::Unconditional;
    std::uint64_t value = 0U;           /**< mN fallback when no explicit ranges are supplied. */
    std::string selector;               /**< Parent selector name within the same frame. */
    std::vector<MultiplexRange> ranges; /**< Alternatives for the named selector; override mN. */
};

inline bool IsMultiplexSelector(MultiplexRole role) {
    return role == MultiplexRole::Selector || role == MultiplexRole::BranchSelector;
}

inline bool IsMultiplexBranch(MultiplexRole role) {
    return role == MultiplexRole::Branch || role == MultiplexRole::BranchSelector;
}

#endif