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.gitignore

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+# This file is used to ignore files which are generated
+# ----------------------------------------------------------------------------
+
+*~
+*.autosave
+*.a
+*.core
+*.moc
+*.o
+*.obj
+*.orig
+*.rej
+*.so
+*.so.*
+*_pch.h.cpp
+*_resource.rc
+*.qm
+.#*
+*.*#
+core
+!core/
+tags
+.DS_Store
+.directory
+*.debug
+Makefile*
+*.prl
+*.app
+moc_*.cpp
+ui_*.h
+qrc_*.cpp
+Thumbs.db
+*.res
+*.rc
+/.qmake.cache
+/.qmake.stash
+**/.qmlls.ini
+
+# qtcreator generated files
+*.pro.user*
+*.qbs.user*
+CMakeLists.txt.user*
+
+# xemacs temporary files
+*.flc
+
+# Vim temporary files
+.*.swp
+
+# Visual Studio generated files
+*.ib_pdb_index
+*.idb
+*.ilk
+*.pdb
+*.sln
+*.suo
+*.vcproj
+*vcproj.*.*.user
+*.ncb
+*.sdf
+*.opensdf
+*.vcxproj
+*vcxproj.*
+
+# MinGW generated files
+*.Debug
+*.Release
+
+# Python byte code
+*.pyc
+
+# Binaries
+# --------
+*.dll
+*.exe
+
+# Directories with generated files
+.moc/
+.obj/
+.pch/
+.rcc/
+.uic/
+/build*/
+/.qtcreator/

CMakeLists.txt

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+cmake_minimum_required(VERSION 3.16)
+
+project(ADCLIB LANGUAGES CXX DESCRIPTION "Abstract Device Components Library")
+
+set(CMAKE_CXX_STANDARD 23)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
+# ------- dependencies -------
+
+include(FetchContent)
+
+FetchContent_Declare(
+    snplib
+    GIT_REPOSITORY https://timur@git.sao.ru/timur/snipplib.git
+    GIT_TAG main
+    GIT_SHALLOW 1
+    GIT_PROGRESS 1
+    SOURCE_DIR ${CMAKE_BINARY_DIR}/snipplib
+)
+
+FetchContent_MakeAvailable(snplib)
+
+
+set(ADCLIB_HEADERS include/adclib/adclib_device.h)
+add_library(${PROJECT_NAME} INTERFACE ${ADCLIB_HEADERS})
+
+include(GNUInstallDirs)
+install(TARGETS ADCLIB
+    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+)

include/adclib/adclib_device.h

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+#pragma once
+
+/****************************************************************************************
+ *                          ABSTRACT DEVICE COMPONENTS LIBRARY                           *
+ ****************************************************************************************/
+
+#include <snipplib/containers/snplib_hmap.h>
+
+
+namespace adc
+{
+
+enum class adc_device_error_code_t : int { ERROR_OK, ERROR_RO_ATTR, ERROR_WO_ATTR, ERROR_ATTR_RANGE };
+
+}  // namespace adc
+
+namespace adc
+{
+
+
+template <std::formattable<char> ATTR_ID_T = std::string_view, std::formattable<char> CMD_ID_T = std::string_view>
+class adc_device_t
+{
+public:
+    typedef std::error_code error_t;
+
+    template <typename VT>
+    using op_result_t = std::expected<VT, error_t>;
+
+protected:
+    template <typename VT>
+    struct attr_t {
+        ATTR_ID_T id;
+        std::function<op_result_t<VT>()> getter;
+        std::function<void(VT const&)> setter;
+    };
+
+
+    struct attr_proxy_t {
+        template <typename VT>
+        VT get(ATTR_ID_T id)
+        {
+        }
+    };
+
+    std::unordered_map<CMD_ID_T, std::function<void()>> _commands{};
+    snplib::HeterogenMap<ATTR_ID_T> _attrs{};
+
+public:
+    adc_device_t() {}
+
+    template <snplib::snplib_callable_c ET>
+    void addCommand(CMD_ID_T id, ET&& exec_func)
+    {
+        _commands.emplace(std::move(id), std::forward<ET>(exec_func));
+    }
+
+    template <typename GT, typename ST>
+    void addAttr(ATTR_ID_T id, GT&& getter, ST&& setter)
+    {
+        // deduce attribute value type
+        using v_t = std::invoke_result_t<GT>;
+
+        static_assert(std::invocable<ST, v_t const&>, "Invalid setter type!");
+
+        _attrs.push(std::move(id), attr_t<v_t>{.getter = std::forward<GT>(getter), .setter = std::forward<ST>(setter)});
+    }
+};
+
+}  // namespace adc