Add platform I/O and ESP-IDF component library

.github/workflows/esp_upload_component.yaml

@@ -0,0 +1,13 @@
+name: Push to Espressif Component Service
+on: [push]
+jobs:
+  upload_components:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@master
+      - name: Upload component to component registry
+        uses: espressif/github-actions/upload_components@master
+        with:
+          name: "nlohmann-json"
+          namespace: "johboh"
+          api_token: ${{ secrets.ESP_IDF_COMPONENT_API_TOKEN }}

.github/workflows/test.yaml

@@ -0,0 +1,27 @@
+name: PlatformIO CI
+on: [push]
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        example: [examples/Simple/Simple.ino]
+
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/cache@v3
+        with:
+          path: |
+            ~/.cache/pip
+            ~/.platformio/.cache
+          key: ${{ runner.os }}-pio
+      - uses: actions/setup-python@v4
+        with:
+          python-version: '3.9'
+      - name: Install PlatformIO Core
+        run: pip install --upgrade platformio
+
+      - name: Build PlatformIO examples
+        run: pio ci --lib="." --board=lolin_c3_mini --project-option="build_unflags = -std=gnu++11" --project-option="build_flags = -std=gnu++17" --project-option="platform=espressif32@6.4.0" --project-option="lib_ldf_mode=deep"
+        env:
+          PLATFORMIO_CI_SRC: ${{ matrix.example }}

CMakeLists.txt

@@ -1,209 +1,3 @@
-cmake_minimum_required(VERSION 3.1...3.14)
+idf_component_register(COMPONENT_NAME "nlohmann-json"
+                        INCLUDE_DIRS "./single_include/")
 
-##
-## PROJECT
-## name and version
-##
-project(nlohmann_json VERSION 3.11.3 LANGUAGES CXX)
-
-##
-## MAIN_PROJECT CHECK
-## determine if nlohmann_json is built as a subproject (using add_subdirectory) or if it is the main project
-##
-set(MAIN_PROJECT OFF)
-if (CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
-    set(MAIN_PROJECT ON)
-endif()
-
-##
-## INCLUDE
-##
-##
-set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake ${CMAKE_MODULE_PATH})
-include(ExternalProject)
-
-##
-## OPTIONS
-##
-
-if (POLICY CMP0077)
-    # Allow CMake 3.13+ to override options when using FetchContent / add_subdirectory.
-    cmake_policy(SET CMP0077 NEW)
-endif ()
-
-# VERSION_GREATER_EQUAL is not available in CMake 3.1
-if(${MAIN_PROJECT} AND (${CMAKE_VERSION} VERSION_EQUAL 3.13 OR ${CMAKE_VERSION} VERSION_GREATER 3.13))
-    set(JSON_BuildTests_INIT ON)
-else()
-    set(JSON_BuildTests_INIT OFF)
-endif()
-option(JSON_BuildTests                     "Build the unit tests when BUILD_TESTING is enabled." ${JSON_BuildTests_INIT})
-option(JSON_CI                             "Enable CI build targets." OFF)
-option(JSON_Diagnostics                    "Use extended diagnostic messages." OFF)
-option(JSON_GlobalUDLs                     "Place use-defined string literals in the global namespace." ON)
-option(JSON_ImplicitConversions            "Enable implicit conversions." ON)
-option(JSON_DisableEnumSerialization       "Disable default integer enum serialization." OFF)
-option(JSON_LegacyDiscardedValueComparison "Enable legacy discarded value comparison." OFF)
-option(JSON_Install                        "Install CMake targets during install step." ${MAIN_PROJECT})
-option(JSON_MultipleHeaders                "Use non-amalgamated version of the library." ON)
-option(JSON_SystemInclude                  "Include as system headers (skip for clang-tidy)." OFF)
-
-if (JSON_CI)
-    include(ci)
-endif ()
-
-##
-## CONFIGURATION
-##
-include(GNUInstallDirs)
-
-set(NLOHMANN_JSON_TARGET_NAME               ${PROJECT_NAME})
-set(NLOHMANN_JSON_CONFIG_INSTALL_DIR        "${CMAKE_INSTALL_DATADIR}/cmake/${PROJECT_NAME}" CACHE INTERNAL "")
-set(NLOHMANN_JSON_INCLUDE_INSTALL_DIR       "${CMAKE_INSTALL_INCLUDEDIR}")
-set(NLOHMANN_JSON_TARGETS_EXPORT_NAME       "${PROJECT_NAME}Targets")
-set(NLOHMANN_JSON_CMAKE_CONFIG_TEMPLATE     "cmake/config.cmake.in")
-set(NLOHMANN_JSON_CMAKE_CONFIG_DIR          "${CMAKE_CURRENT_BINARY_DIR}")
-set(NLOHMANN_JSON_CMAKE_VERSION_CONFIG_FILE "${NLOHMANN_JSON_CMAKE_CONFIG_DIR}/${PROJECT_NAME}ConfigVersion.cmake")
-set(NLOHMANN_JSON_CMAKE_PROJECT_CONFIG_FILE "${NLOHMANN_JSON_CMAKE_CONFIG_DIR}/${PROJECT_NAME}Config.cmake")
-set(NLOHMANN_JSON_CMAKE_PROJECT_TARGETS_FILE "${NLOHMANN_JSON_CMAKE_CONFIG_DIR}/${PROJECT_NAME}Targets.cmake")
-set(NLOHMANN_JSON_PKGCONFIG_INSTALL_DIR     "${CMAKE_INSTALL_DATADIR}/pkgconfig")
-
-if (JSON_MultipleHeaders)
-    set(NLOHMANN_JSON_INCLUDE_BUILD_DIR "${PROJECT_SOURCE_DIR}/include/")
-    message(STATUS "Using the multi-header code from ${NLOHMANN_JSON_INCLUDE_BUILD_DIR}")
-else()
-    set(NLOHMANN_JSON_INCLUDE_BUILD_DIR "${PROJECT_SOURCE_DIR}/single_include/")
-    message(STATUS "Using the single-header code from ${NLOHMANN_JSON_INCLUDE_BUILD_DIR}")
-endif()
-
-if (NOT JSON_ImplicitConversions)
-    message(STATUS "Implicit conversions are disabled")
-endif()
-
-if (JSON_DisableEnumSerialization)
-    message(STATUS "Enum integer serialization is disabled")
-endif()
-
-if (JSON_LegacyDiscardedValueComparison)
-    message(STATUS "Legacy discarded value comparison enabled")
-endif()
-
-if (JSON_Diagnostics)
-    message(STATUS "Diagnostics enabled")
-endif()
-
-if (JSON_SystemInclude)
-    set(NLOHMANN_JSON_SYSTEM_INCLUDE "SYSTEM")
-endif()
-
-##
-## TARGET
-## create target and add include path
-##
-add_library(${NLOHMANN_JSON_TARGET_NAME} INTERFACE)
-add_library(${PROJECT_NAME}::${NLOHMANN_JSON_TARGET_NAME} ALIAS ${NLOHMANN_JSON_TARGET_NAME})
-if (${CMAKE_VERSION} VERSION_LESS "3.8.0")
-    target_compile_features(${NLOHMANN_JSON_TARGET_NAME} INTERFACE cxx_range_for)
-else()
-    target_compile_features(${NLOHMANN_JSON_TARGET_NAME} INTERFACE cxx_std_11)
-endif()
-
-target_compile_definitions(
-    ${NLOHMANN_JSON_TARGET_NAME}
-    INTERFACE
-    $<$<NOT:$<BOOL:${JSON_GlobalUDLs}>>:JSON_USE_GLOBAL_UDLS=0>
-    $<$<NOT:$<BOOL:${JSON_ImplicitConversions}>>:JSON_USE_IMPLICIT_CONVERSIONS=0>
-    $<$<BOOL:${JSON_DisableEnumSerialization}>:JSON_DISABLE_ENUM_SERIALIZATION=1>
-    $<$<BOOL:${JSON_Diagnostics}>:JSON_DIAGNOSTICS=1>
-    $<$<BOOL:${JSON_LegacyDiscardedValueComparison}>:JSON_USE_LEGACY_DISCARDED_VALUE_COMPARISON=1>
-)
-
-target_include_directories(
-    ${NLOHMANN_JSON_TARGET_NAME}
-    ${NLOHMANN_JSON_SYSTEM_INCLUDE} INTERFACE
-    $<BUILD_INTERFACE:${NLOHMANN_JSON_INCLUDE_BUILD_DIR}>
-    $<INSTALL_INTERFACE:${NLOHMANN_JSON_INCLUDE_INSTALL_DIR}>
-)
-
-## add debug view definition file for msvc (natvis)
-if (MSVC)
-    set(NLOHMANN_ADD_NATVIS TRUE)
-    set(NLOHMANN_NATVIS_FILE "nlohmann_json.natvis")
-    target_sources(
-        ${NLOHMANN_JSON_TARGET_NAME}
-        INTERFACE
-            $<INSTALL_INTERFACE:${NLOHMANN_NATVIS_FILE}>
-            $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/${NLOHMANN_NATVIS_FILE}>
-    )
-endif()
-
-# Install a pkg-config file, so other tools can find this.
-CONFIGURE_FILE(
-    "${CMAKE_CURRENT_SOURCE_DIR}/cmake/pkg-config.pc.in"
-    "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}.pc"
-)
-
-##
-## TESTS
-## create and configure the unit test target
-##
-if (JSON_BuildTests)
-    include(CTest)
-    enable_testing()
-    add_subdirectory(tests)
-endif()
-
-##
-## INSTALL
-## install header files, generate and install cmake config files for find_package()
-##
-include(CMakePackageConfigHelpers)
-# use a custom package version config file instead of
-# write_basic_package_version_file to ensure that it's architecture-independent
-# https://github.com/nlohmann/json/issues/1697
-configure_file(
-    "cmake/nlohmann_jsonConfigVersion.cmake.in"
-    ${NLOHMANN_JSON_CMAKE_VERSION_CONFIG_FILE}
-    @ONLY
-)
-configure_file(
-    ${NLOHMANN_JSON_CMAKE_CONFIG_TEMPLATE}
-    ${NLOHMANN_JSON_CMAKE_PROJECT_CONFIG_FILE}
-    @ONLY
-)
-
-if(JSON_Install)
-    install(
-        DIRECTORY ${NLOHMANN_JSON_INCLUDE_BUILD_DIR}
-        DESTINATION ${NLOHMANN_JSON_INCLUDE_INSTALL_DIR}
-    )
-    install(
-        FILES ${NLOHMANN_JSON_CMAKE_PROJECT_CONFIG_FILE} ${NLOHMANN_JSON_CMAKE_VERSION_CONFIG_FILE}
-        DESTINATION ${NLOHMANN_JSON_CONFIG_INSTALL_DIR}
-    )
-    if (NLOHMANN_ADD_NATVIS)
-        install(
-            FILES ${NLOHMANN_NATVIS_FILE}
-            DESTINATION .
-    )
-    endif()
-    export(
-        TARGETS ${NLOHMANN_JSON_TARGET_NAME}
-        NAMESPACE ${PROJECT_NAME}::
-        FILE ${NLOHMANN_JSON_CMAKE_PROJECT_TARGETS_FILE}
-    )
-    install(
-        TARGETS ${NLOHMANN_JSON_TARGET_NAME}
-        EXPORT ${NLOHMANN_JSON_TARGETS_EXPORT_NAME}
-        INCLUDES DESTINATION ${NLOHMANN_JSON_INCLUDE_INSTALL_DIR}
-    )
-    install(
-        EXPORT ${NLOHMANN_JSON_TARGETS_EXPORT_NAME}
-        NAMESPACE ${PROJECT_NAME}::
-        DESTINATION ${NLOHMANN_JSON_CONFIG_INSTALL_DIR}
-    )
-    install(
-        FILES "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}.pc"
-        DESTINATION ${NLOHMANN_JSON_PKGCONFIG_INSTALL_DIR}
-    )
-endif()