LuaFS.cpp

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#include <entt/locator/locator.hpp>
#include <sol/sol.hpp>
 
#include "galaxy/fs/DialogButton.hpp"
#include "galaxy/fs/DialogIcons.hpp"
#include "galaxy/fs/DialogType.hpp"
#include "galaxy/fs/FileError.hpp"
#include "galaxy/fs/FileUtils.hpp"
#include "galaxy/fs/VirtualFileSystem.hpp"
 
#include "../Lua.hpp"
 
namespace galaxy
{
    std::string fileutils_read_wrapper(const std::string& filepath) noexcept
    {
        const auto result = fileutils::read(filepath);
        if (result)
        {
            return result.value();
        }
 
        const auto& error = result.error();
        error.log();
 
        return error.m_reason;
    }
 
    void Lua::inject_fs() noexcept
    {
        auto& lua = entt::locator<sol::state>::value();
 
        // clang-format off
            lua.new_enum<DialogButton>("DialogButton",
            {
                {"cancel_no", DialogButton::cancel_no},
                {"ok_yes", DialogButton::ok_yes},
                {"yes_no_cancel", DialogButton::yes_no_cancel}
            });
 
            lua.new_enum<DialogIcon>("DialogIcons",
            {
                {"info", DialogIcon::info},
                {"warning", DialogIcon::warning},
                {"error", DialogIcon::error}
            });
 
            lua.new_enum<DialogType>("DialogType",
            {
                {"ok", DialogType::ok},
                {"okcancel", DialogType::okcancel},
                {"yesno", DialogType::yesno},
                {"yesnocancel", DialogType::yesnocancel}
            });
        // clang-format on
 
        auto fileerror =
            lua.new_usertype<FileError>("FileError", sol::constructors<FileError(), FileError(const std::string&, const std::string&, const std::filesystem::path&)>());
        fileerror["log"]    = &FileError::log;
        fileerror["mode"]   = &FileError::m_mode;
        fileerror["reason"] = &FileError::m_reason;
        fileerror["path"]   = [](const FileError& self) {
            return self.m_path.string();
        };
 
        lua.set_function("fs_extension", &fileutils::extension);
        lua.set_function("fs_read", &fileutils_read_wrapper);
        lua.set_function("fs_write", &fileutils::write);
        lua.set_function("fs_open_url", &fileutils::open_url);
 
        auto vfs_type                    = lua.new_usertype<VirtualFileSystem>("VirtualFileSystem", sol::no_constructor);
        vfs_type["read"]                 = &VirtualFileSystem::read;
        vfs_type["read_binary"]          = &VirtualFileSystem::read_binary;
        vfs_type["write"]                = &VirtualFileSystem::write;
        vfs_type["write_binary"]         = &VirtualFileSystem::write_binary;
        vfs_type["write_raw"]            = &VirtualFileSystem::write_raw;
        vfs_type["mkdir"]                = &VirtualFileSystem::mkdir;
        vfs_type["remove"]               = &VirtualFileSystem::remove;
        vfs_type["exists"]               = &VirtualFileSystem::exists;
        vfs_type["is_dir"]               = &VirtualFileSystem::is_dir;
        vfs_type["list"]                 = &VirtualFileSystem::list;
        vfs_type["alert"]                = &VirtualFileSystem::alert;
        vfs_type["notification"]         = &VirtualFileSystem::notification;
        vfs_type["message_box"]          = &VirtualFileSystem::message_box;
        vfs_type["input_box"]            = &VirtualFileSystem::input_box;
        vfs_type["open_save_dialog"]     = &VirtualFileSystem::open_save_dialog;
        vfs_type["open_file_dialog"]     = &VirtualFileSystem::open_file_dialog;
        vfs_type["select_folder_dialog"] = &VirtualFileSystem::select_folder_dialog;
    }
} // namespace galaxy