module_info.hpp

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// ===-- include/psystem/module_info.hpp ------------------ -*- C++ -*- --=== //
// Copyright (c) 2014 Matt Bisson.  All rights reserved.

#pragma once
#ifndef PSYSTEM_MODULE_INFO_HPP
#define PSYSTEM_MODULE_INFO_HPP

#include "psystem_ns.hpp"

#include <mutex>
#include <string>

#include <psystem/framework/shared_handle.hpp>

namespace psystem {

class module_info
{
public:
    explicit module_info(
        psystem::shared_handle<> const& file_handle,
        CREATE_PROCESS_DEBUG_INFO const& info) noexcept;

    explicit module_info(
        psystem::shared_handle<> const& file_handle,
        LOAD_DLL_DEBUG_INFO const& info) noexcept;

    module_info(module_info&& o) noexcept;

    ~module_info() noexcept;

public:
    address_t get_base_of_image() const noexcept;

    std::string const& get_file_name() const noexcept;

    std::string const& get_name() const noexcept;

private:
    static void init_file_name(HANDLE file_handle, std::string *out) noexcept;

    static void init_name(
        std::string const& file_name,
        std::string *out) noexcept;

private:
    psystem::shared_handle<> m_file_handle;

    address_t m_base_of_image;

    std::string mutable m_file_name;

    std::once_flag mutable m_file_name_lock;

    std::string mutable m_name;

    std::once_flag mutable m_name_lock;
};

} // namespace psystem

#endif // PSYSTEM_MODULE_INFO_HPP